0f7366d6d0
area, and not the padding area as per the CSS 2 Errata, CSS2.1 and CSS3. Also, implementing the CSS3 'background-clip' and 'background-origin' properties (currently with -moz- prefixes) to control this behavior. Bug 162252, r=dbaron sr=roc+moz git-svn-id: svn://10.0.0.236/trunk@131419 18797224-902f-48f8-a5cc-f745e15eee43
4761 lines
176 KiB
C++
4761 lines
176 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: NPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Communicator client code.
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*
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* The Initial Developer of the Original Code is
|
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Original Author: David W. Hyatt (hyatt@netscape.com)
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* Daniel Glazman <glazman@netscape.com>
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* Roger B. Sidje <rbs@maths.uq.edu.au>
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*
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*
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* Alternatively, the contents of this file may be used under the terms of
|
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
|
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* of those above. If you wish to allow use of your version of this file only
|
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* under the terms of either the GPL or the LGPL, and not to allow others to
|
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* use your version of this file under the terms of the NPL, indicate your
|
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
|
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the NPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nscore.h"
|
|
#include "nsIServiceManager.h"
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|
#include "nsRuleNode.h"
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|
#include "nsIDeviceContext.h"
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|
#include "nsILookAndFeel.h"
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|
#include "nsIPresShell.h"
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|
#include "nsIFontMetrics.h"
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|
#include "nsIDocShellTreeItem.h"
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|
#include "nsStyleUtil.h"
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|
#include "nsCSSAtoms.h"
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|
#include "nsThemeConstants.h"
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|
#include "nsITheme.h"
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|
#include "pldhash.h"
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|
|
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/*
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|
* For storage of an |nsRuleNode|'s children in a linked list.
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|
*/
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|
struct nsRuleList {
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nsRuleNode* mRuleNode;
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nsRuleList* mNext;
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|
|
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public:
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nsRuleList(nsRuleNode* aNode, nsRuleList* aNext= nsnull) {
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MOZ_COUNT_CTOR(nsRuleList);
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mRuleNode = aNode;
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mNext = aNext;
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}
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|
|
|
~nsRuleList() {
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MOZ_COUNT_DTOR(nsRuleList);
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mRuleNode->Destroy();
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if (mNext)
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mNext->Destroy(mNext->mRuleNode->mPresContext);
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|
}
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|
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void* operator new(size_t sz, nsIPresContext* aContext) CPP_THROW_NEW {
|
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void* result = nsnull;
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aContext->AllocateFromShell(sz, &result);
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return result;
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|
};
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void operator delete(void* aPtr) {} // Does nothing. The arena will free us up when the rule tree
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// dies.
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|
|
|
void Destroy(nsIPresContext* aContext) {
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|
this->~nsRuleList();
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aContext->FreeToShell(sizeof(nsRuleList), this);
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}
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|
|
|
// Destroy this node, but not its rule node or the rest of the list.
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|
nsRuleList* DestroySelf(nsIPresContext* aContext) {
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nsRuleList *next = mNext;
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MOZ_COUNT_DTOR(nsRuleList); // hack
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|
aContext->FreeToShell(sizeof(nsRuleList), this);
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return next;
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|
}
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|
};
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|
|
/*
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|
* For storage of an |nsRuleNode|'s children in a PLDHashTable.
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|
*/
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|
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struct ChildrenHashEntry : public PLDHashEntryHdr {
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// key (the rule) is |mRuleNode->Rule()|
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nsRuleNode *mRuleNode;
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};
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PR_STATIC_CALLBACK(const void *)
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ChildrenHashGetKey(PLDHashTable *table, PLDHashEntryHdr *hdr)
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|
{
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ChildrenHashEntry *entry = NS_STATIC_CAST(ChildrenHashEntry*, hdr);
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return entry->mRuleNode->Rule();
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}
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|
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PR_STATIC_CALLBACK(PRBool)
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ChildrenHashMatchEntry(PLDHashTable *table, const PLDHashEntryHdr *hdr,
|
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const void *key)
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|
{
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|
const ChildrenHashEntry *entry =
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NS_STATIC_CAST(const ChildrenHashEntry*, hdr);
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return entry->mRuleNode->Rule() == key;
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}
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|
|
static PLDHashTableOps ChildrenHashOps = {
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// It's probably better to allocate the table itself using malloc and
|
|
// free rather than the pres shell's arena because the table doesn't
|
|
// grow very often and the pres shell's arena doesn't recycle very
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// large size allocations.
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PL_DHashAllocTable,
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|
PL_DHashFreeTable,
|
|
ChildrenHashGetKey,
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|
PL_DHashVoidPtrKeyStub,
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|
ChildrenHashMatchEntry,
|
|
PL_DHashMoveEntryStub,
|
|
PL_DHashClearEntryStub,
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|
PL_DHashFinalizeStub,
|
|
NULL
|
|
};
|
|
|
|
|
|
// EnsureBlockDisplay:
|
|
// - if the display value (argument) is not a block-type
|
|
// then we set it to a valid block display value
|
|
// - For enforcing the floated/positioned element CSS2 rules
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|
static void EnsureBlockDisplay(PRUint8& display)
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|
{
|
|
// see if the display value is already a block
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|
switch (display) {
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case NS_STYLE_DISPLAY_NONE :
|
|
// never change display:none *ever*
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|
break;
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|
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case NS_STYLE_DISPLAY_TABLE :
|
|
case NS_STYLE_DISPLAY_BLOCK :
|
|
// do not muck with these at all - already blocks
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break;
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|
|
|
case NS_STYLE_DISPLAY_LIST_ITEM :
|
|
// do not change list items to blocks - retain the bullet/numbering
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break;
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|
case NS_STYLE_DISPLAY_TABLE_ROW_GROUP :
|
|
case NS_STYLE_DISPLAY_TABLE_COLUMN :
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|
case NS_STYLE_DISPLAY_TABLE_COLUMN_GROUP :
|
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case NS_STYLE_DISPLAY_TABLE_HEADER_GROUP :
|
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case NS_STYLE_DISPLAY_TABLE_FOOTER_GROUP :
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|
case NS_STYLE_DISPLAY_TABLE_ROW :
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|
case NS_STYLE_DISPLAY_TABLE_CELL :
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case NS_STYLE_DISPLAY_TABLE_CAPTION :
|
|
// special cases: don't do anything since these cannot really be floated anyway
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break;
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|
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case NS_STYLE_DISPLAY_INLINE_TABLE :
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// make inline tables into tables
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display = NS_STYLE_DISPLAY_TABLE;
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break;
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|
default :
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|
// make it a block
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display = NS_STYLE_DISPLAY_BLOCK;
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}
|
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}
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|
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nsString& Unquote(nsString& aString)
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|
{
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|
PRUnichar start = aString.First();
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|
PRUnichar end = aString.Last();
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|
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if ((start == end) &&
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((start == PRUnichar('\"')) ||
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(start == PRUnichar('\'')))) {
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PRInt32 length = aString.Length();
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aString.Truncate(length - 1);
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aString.Cut(0, 1);
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|
}
|
|
return aString;
|
|
}
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|
|
nscoord CalcLength(const nsCSSValue& aValue,
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|
const nsFont* aFont,
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|
nsIStyleContext* aStyleContext,
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|
nsIPresContext* aPresContext,
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PRBool& aInherited)
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|
{
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NS_ASSERTION(aValue.IsLengthUnit(), "not a length unit");
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|
if (aValue.IsFixedLengthUnit()) {
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return aValue.GetLengthTwips();
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}
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nsCSSUnit unit = aValue.GetUnit();
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switch (unit) {
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|
case eCSSUnit_EM:
|
|
case eCSSUnit_Char: {
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|
aInherited = PR_TRUE;
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|
const nsFont* font = aStyleContext ? &(((nsStyleFont*)aStyleContext->GetStyleData(eStyleStruct_Font))->mFont) : aFont;
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|
return NSToCoordRound(aValue.GetFloatValue() * (float)font->size);
|
|
// XXX scale against font metrics height instead?
|
|
}
|
|
case eCSSUnit_EN: {
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|
aInherited = PR_TRUE;
|
|
const nsFont* font = aStyleContext ? &(((nsStyleFont*)aStyleContext->GetStyleData(eStyleStruct_Font))->mFont) : aFont;
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return NSToCoordRound((aValue.GetFloatValue() * (float)font->size) / 2.0f);
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|
}
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case eCSSUnit_XHeight: {
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aInherited = PR_TRUE;
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const nsFont* font = aStyleContext ? &(((nsStyleFont*)aStyleContext->GetStyleData(eStyleStruct_Font))->mFont) : aFont;
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nsCOMPtr<nsIFontMetrics> fm;
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aPresContext->GetMetricsFor(*font, getter_AddRefs(fm));
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nscoord xHeight;
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fm->GetXHeight(xHeight);
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return NSToCoordRound(aValue.GetFloatValue() * (float)xHeight);
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}
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case eCSSUnit_CapHeight: {
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NS_NOTYETIMPLEMENTED("cap height unit");
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|
aInherited = PR_TRUE;
|
|
const nsFont* font = aStyleContext ? &(((nsStyleFont*)aStyleContext->GetStyleData(eStyleStruct_Font))->mFont) : aFont;
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nscoord capHeight = ((font->size / 3) * 2); // XXX HACK!
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|
return NSToCoordRound(aValue.GetFloatValue() * (float)capHeight);
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|
}
|
|
case eCSSUnit_Pixel:
|
|
float p2t;
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aPresContext->GetScaledPixelsToTwips(&p2t);
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return NSFloatPixelsToTwips(aValue.GetFloatValue(), p2t);
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|
default:
|
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NS_NOTREACHED("unexpected unit");
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break;
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}
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return 0;
|
|
}
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|
|
#define SETCOORD_NORMAL 0x01 // N
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|
#define SETCOORD_AUTO 0x02 // A
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|
#define SETCOORD_INHERIT 0x04 // H
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|
#define SETCOORD_PERCENT 0x08 // P
|
|
#define SETCOORD_FACTOR 0x10 // F
|
|
#define SETCOORD_LENGTH 0x20 // L
|
|
#define SETCOORD_INTEGER 0x40 // I
|
|
#define SETCOORD_ENUMERATED 0x80 // E
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|
|
#define SETCOORD_LP (SETCOORD_LENGTH | SETCOORD_PERCENT)
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|
#define SETCOORD_LH (SETCOORD_LENGTH | SETCOORD_INHERIT)
|
|
#define SETCOORD_AH (SETCOORD_AUTO | SETCOORD_INHERIT)
|
|
#define SETCOORD_LPH (SETCOORD_LP | SETCOORD_INHERIT)
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|
#define SETCOORD_LPAH (SETCOORD_LP | SETCOORD_AH)
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|
#define SETCOORD_LPEH (SETCOORD_LP | SETCOORD_ENUMERATED | SETCOORD_INHERIT)
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|
#define SETCOORD_LE (SETCOORD_LENGTH | SETCOORD_ENUMERATED)
|
|
#define SETCOORD_LEH (SETCOORD_LE | SETCOORD_INHERIT)
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|
#define SETCOORD_IA (SETCOORD_INTEGER | SETCOORD_AUTO)
|
|
#define SETCOORD_LAE (SETCOORD_LENGTH | SETCOORD_AUTO | SETCOORD_ENUMERATED)
|
|
|
|
static PRBool SetCoord(const nsCSSValue& aValue, nsStyleCoord& aCoord,
|
|
const nsStyleCoord& aParentCoord,
|
|
PRInt32 aMask, nsIStyleContext* aStyleContext,
|
|
nsIPresContext* aPresContext, PRBool& aInherited)
|
|
{
|
|
PRBool result = PR_TRUE;
|
|
if (aValue.GetUnit() == eCSSUnit_Null) {
|
|
result = PR_FALSE;
|
|
}
|
|
else if (((aMask & SETCOORD_LENGTH) != 0) &&
|
|
(aValue.GetUnit() == eCSSUnit_Char)) {
|
|
aCoord.SetIntValue(NSToIntFloor(aValue.GetFloatValue()), eStyleUnit_Chars);
|
|
}
|
|
else if (((aMask & SETCOORD_LENGTH) != 0) &&
|
|
aValue.IsLengthUnit()) {
|
|
aCoord.SetCoordValue(CalcLength(aValue, nsnull, aStyleContext, aPresContext, aInherited));
|
|
}
|
|
else if (((aMask & SETCOORD_PERCENT) != 0) &&
|
|
(aValue.GetUnit() == eCSSUnit_Percent)) {
|
|
aCoord.SetPercentValue(aValue.GetPercentValue());
|
|
}
|
|
else if (((aMask & SETCOORD_INTEGER) != 0) &&
|
|
(aValue.GetUnit() == eCSSUnit_Integer)) {
|
|
aCoord.SetIntValue(aValue.GetIntValue(), eStyleUnit_Integer);
|
|
}
|
|
else if (((aMask & SETCOORD_ENUMERATED) != 0) &&
|
|
(aValue.GetUnit() == eCSSUnit_Enumerated)) {
|
|
aCoord.SetIntValue(aValue.GetIntValue(), eStyleUnit_Enumerated);
|
|
}
|
|
else if (((aMask & SETCOORD_AUTO) != 0) &&
|
|
(aValue.GetUnit() == eCSSUnit_Auto)) {
|
|
aCoord.SetAutoValue();
|
|
}
|
|
else if (((aMask & SETCOORD_INHERIT) != 0) &&
|
|
(aValue.GetUnit() == eCSSUnit_Inherit)) {
|
|
nsStyleUnit unit = aParentCoord.GetUnit();
|
|
if ((eStyleUnit_Null == unit) || // parent has explicit computed value
|
|
(eStyleUnit_Factor == unit) ||
|
|
(eStyleUnit_Coord == unit) ||
|
|
(eStyleUnit_Integer == unit) ||
|
|
(eStyleUnit_Enumerated == unit) ||
|
|
(eStyleUnit_Normal == unit) ||
|
|
(eStyleUnit_Chars == unit)) {
|
|
aCoord = aParentCoord; // just inherit value from parent
|
|
aInherited = PR_TRUE;
|
|
}
|
|
else {
|
|
aCoord.SetInheritValue(); // needs to be computed by client
|
|
// Since this works just like being
|
|
// specified and not inherited, that's
|
|
// how it's treated.
|
|
}
|
|
}
|
|
else if (((aMask & SETCOORD_NORMAL) != 0) &&
|
|
(aValue.GetUnit() == eCSSUnit_Normal)) {
|
|
aCoord.SetNormalValue();
|
|
}
|
|
else if (((aMask & SETCOORD_FACTOR) != 0) &&
|
|
(aValue.GetUnit() == eCSSUnit_Number)) {
|
|
aCoord.SetFactorValue(aValue.GetFloatValue());
|
|
}
|
|
else {
|
|
result = PR_FALSE; // didn't set anything
|
|
}
|
|
return result;
|
|
}
|
|
|
|
static PRBool SetColor(const nsCSSValue& aValue, const nscolor aParentColor,
|
|
nsIPresContext* aPresContext, nscolor& aResult, PRBool& aInherited)
|
|
{
|
|
PRBool result = PR_FALSE;
|
|
nsCSSUnit unit = aValue.GetUnit();
|
|
|
|
if (eCSSUnit_Color == unit) {
|
|
aResult = aValue.GetColorValue();
|
|
result = PR_TRUE;
|
|
}
|
|
else if (eCSSUnit_String == unit) {
|
|
nsAutoString value;
|
|
aValue.GetStringValue(value);
|
|
nscolor rgba;
|
|
if (NS_ColorNameToRGB(value, &rgba)) {
|
|
aResult = rgba;
|
|
result = PR_TRUE;
|
|
}
|
|
}
|
|
else if (eCSSUnit_Integer == unit) {
|
|
PRInt32 intValue = aValue.GetIntValue();
|
|
if (0 <= intValue) {
|
|
nsILookAndFeel* look = nsnull;
|
|
if (NS_SUCCEEDED(aPresContext->GetLookAndFeel(&look)) && look) {
|
|
nsILookAndFeel::nsColorID colorID = (nsILookAndFeel::nsColorID) intValue;
|
|
if (NS_SUCCEEDED(look->GetColor(colorID, aResult))) {
|
|
result = PR_TRUE;
|
|
}
|
|
NS_RELEASE(look);
|
|
}
|
|
}
|
|
else {
|
|
switch (intValue) {
|
|
case NS_COLOR_MOZ_HYPERLINKTEXT:
|
|
if (NS_SUCCEEDED(aPresContext->GetDefaultLinkColor(&aResult))) {
|
|
result = PR_TRUE;
|
|
}
|
|
break;
|
|
case NS_COLOR_MOZ_VISITEDHYPERLINKTEXT:
|
|
if (NS_SUCCEEDED(aPresContext->GetDefaultVisitedLinkColor(&aResult))) {
|
|
result = PR_TRUE;
|
|
}
|
|
break;
|
|
default:
|
|
NS_NOTREACHED("Should never have an unknown negative colorID.");
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
else if (eCSSUnit_Inherit == unit) {
|
|
aResult = aParentColor;
|
|
result = PR_TRUE;
|
|
aInherited = PR_TRUE;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
// Overloaded new operator. Initializes the memory to 0 and relies on an arena
|
|
// (which comes from the presShell) to perform the allocation.
|
|
void*
|
|
nsRuleNode::operator new(size_t sz, nsIPresContext* aPresContext) CPP_THROW_NEW
|
|
{
|
|
// Check the recycle list first.
|
|
void* result = nsnull;
|
|
aPresContext->AllocateFromShell(sz, &result);
|
|
return result;
|
|
}
|
|
|
|
// Overridden to prevent the global delete from being called, since the memory
|
|
// came out of an nsIArena instead of the global delete operator's heap.
|
|
void
|
|
nsRuleNode::Destroy()
|
|
{
|
|
// Destroy ourselves.
|
|
this->~nsRuleNode();
|
|
|
|
// Don't let the memory be freed, since it will be recycled
|
|
// instead. Don't call the global operator delete.
|
|
mPresContext->FreeToShell(sizeof(nsRuleNode), this);
|
|
}
|
|
|
|
void nsRuleNode::CreateRootNode(nsIPresContext* aPresContext, nsRuleNode** aResult)
|
|
{
|
|
*aResult = new (aPresContext) nsRuleNode(aPresContext);
|
|
}
|
|
|
|
nsILanguageAtomService* nsRuleNode::gLangService = nsnull;
|
|
|
|
nsRuleNode::nsRuleNode(nsIPresContext* aContext, nsIStyleRule* aRule, nsRuleNode* aParent)
|
|
: mPresContext(aContext),
|
|
mParent(aParent),
|
|
mRule(aRule),
|
|
mChildrenTaggedPtr(nsnull),
|
|
mDependentBits(0),
|
|
mNoneBits(0)
|
|
{
|
|
MOZ_COUNT_CTOR(nsRuleNode);
|
|
}
|
|
|
|
PR_STATIC_CALLBACK(PLDHashOperator)
|
|
DeleteRuleNodeChildren(PLDHashTable *table, PLDHashEntryHdr *hdr,
|
|
PRUint32 number, void *arg)
|
|
{
|
|
ChildrenHashEntry *entry = NS_STATIC_CAST(ChildrenHashEntry*, hdr);
|
|
entry->mRuleNode->Destroy();
|
|
return PL_DHASH_NEXT;
|
|
}
|
|
|
|
nsRuleNode::~nsRuleNode()
|
|
{
|
|
MOZ_COUNT_DTOR(nsRuleNode);
|
|
if (mStyleData.mResetData || mStyleData.mInheritedData)
|
|
mStyleData.Destroy(0, mPresContext);
|
|
if (ChildrenAreHashed()) {
|
|
PLDHashTable *children = ChildrenHash();
|
|
PL_DHashTableEnumerate(children, DeleteRuleNodeChildren, nsnull);
|
|
PL_DHashTableDestroy(children);
|
|
} else if (HaveChildren())
|
|
ChildrenList()->Destroy(mPresContext);
|
|
}
|
|
|
|
nsresult
|
|
nsRuleNode::GetBits(PRInt32 aType, PRUint32* aResult)
|
|
{
|
|
switch (aType) {
|
|
case eNoneBits : *aResult = mNoneBits; break;
|
|
case eDependentBits : *aResult = mDependentBits; break;
|
|
default:
|
|
NS_ERROR("invalid arg");
|
|
return NS_ERROR_INVALID_ARG;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsRuleNode::Transition(nsIStyleRule* aRule, PRBool aIsInlineStyle, nsRuleNode** aResult)
|
|
{
|
|
nsRuleNode* next = nsnull;
|
|
|
|
if (HaveChildren() && !ChildrenAreHashed()) {
|
|
PRInt32 numKids = 0;
|
|
nsRuleList* curr = ChildrenList();
|
|
while (curr && curr->mRuleNode->mRule != aRule) {
|
|
curr = curr->mNext;
|
|
++numKids;
|
|
}
|
|
if (curr)
|
|
next = curr->mRuleNode;
|
|
else if (numKids >= kMaxChildrenInList)
|
|
ConvertChildrenToHash();
|
|
}
|
|
|
|
PRBool createdNode = PR_FALSE;
|
|
if (ChildrenAreHashed()) {
|
|
ChildrenHashEntry *entry = NS_STATIC_CAST(ChildrenHashEntry*,
|
|
PL_DHashTableOperate(ChildrenHash(), aRule, PL_DHASH_ADD));
|
|
if (entry->mRuleNode)
|
|
next = entry->mRuleNode;
|
|
else {
|
|
next = entry->mRuleNode =
|
|
new (mPresContext) nsRuleNode(mPresContext, aRule, this);
|
|
if (!next) {
|
|
PL_DHashTableRawRemove(ChildrenHash(), entry);
|
|
*aResult = nsnull;
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
createdNode = PR_TRUE;
|
|
}
|
|
} else if (!next) {
|
|
// Create the new entry in our list.
|
|
next = new (mPresContext) nsRuleNode(mPresContext, aRule, this);
|
|
if (!next) {
|
|
*aResult = nsnull;
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
SetChildrenList(new (mPresContext) nsRuleList(next, ChildrenList()));
|
|
createdNode = PR_TRUE;
|
|
}
|
|
|
|
if (aIsInlineStyle && createdNode) {
|
|
// We just made a new rule node for an inline style rule (e.g., for
|
|
// the style attribute on an HTML, SVG, or XUL element). In order to
|
|
// fix bug 99344, we have to maintain a mapping from inline style rules
|
|
// to all the rule nodes in a rule tree that correspond to the inline
|
|
// style rule.
|
|
// Obtain our style set and then add this rule node to our mapping.
|
|
nsCOMPtr<nsIPresShell> shell;
|
|
mPresContext->GetShell(getter_AddRefs(shell));
|
|
nsCOMPtr<nsIStyleSet> styleSet;
|
|
shell->GetStyleSet(getter_AddRefs(styleSet));
|
|
styleSet->AddRuleNodeMapping(next);
|
|
}
|
|
|
|
*aResult = next;
|
|
return NS_OK;
|
|
}
|
|
|
|
void
|
|
nsRuleNode::ConvertChildrenToHash()
|
|
{
|
|
NS_ASSERTION(!ChildrenAreHashed() && HaveChildren(),
|
|
"must have a non-empty list of children");
|
|
PLDHashTable *hash = PL_NewDHashTable(&ChildrenHashOps, nsnull,
|
|
sizeof(ChildrenHashEntry),
|
|
kMaxChildrenInList * 4);
|
|
if (!hash)
|
|
return;
|
|
for (nsRuleList* curr = ChildrenList(); curr;
|
|
curr = curr->DestroySelf(mPresContext)) {
|
|
// This will never fail because of the initial size we gave the table.
|
|
ChildrenHashEntry *entry = NS_STATIC_CAST(ChildrenHashEntry*,
|
|
PL_DHashTableOperate(hash, curr->mRuleNode->mRule, PL_DHASH_ADD));
|
|
NS_ASSERTION(!entry->mRuleNode, "duplicate entries in list");
|
|
entry->mRuleNode = curr->mRuleNode;
|
|
}
|
|
SetChildrenHash(hash);
|
|
}
|
|
|
|
nsresult
|
|
nsRuleNode::PathContainsRule(nsIStyleRule* aRule, PRBool* aMatched)
|
|
{
|
|
*aMatched = PR_FALSE;
|
|
nsRuleNode* ruleDest = this;
|
|
while (ruleDest) {
|
|
if (ruleDest->mRule == aRule) {
|
|
*aMatched = PR_TRUE;
|
|
break;
|
|
}
|
|
ruleDest = ruleDest->mParent;
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsRuleNode::ClearCachedData(nsIStyleRule* aRule)
|
|
{
|
|
nsRuleNode* ruleDest = this;
|
|
while (ruleDest) {
|
|
if (ruleDest->mRule == aRule)
|
|
break;
|
|
ruleDest = ruleDest->mParent;
|
|
}
|
|
|
|
if (ruleDest) {
|
|
// The rule was contained along our branch. We need to blow away
|
|
// all cached data along this path. Note that, because of the definition
|
|
// of inline style, all nodes along this path must have exactly one child. This
|
|
// is not a bushy subtree, and so we know that by clearing this path, we've
|
|
// invalidated everything that we need to.
|
|
// XXXldb What about !important :hover rules, and such?
|
|
nsRuleNode* curr = this;
|
|
while (curr) {
|
|
curr->mNoneBits &= ~NS_STYLE_INHERIT_MASK;
|
|
curr->mDependentBits &= ~NS_STYLE_INHERIT_MASK;
|
|
if (curr->mStyleData.mResetData || curr->mStyleData.mInheritedData)
|
|
curr->mStyleData.Destroy(0, mPresContext);
|
|
|
|
if (curr == ruleDest)
|
|
break;
|
|
|
|
curr = curr->mParent;
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
PR_STATIC_CALLBACK(PLDHashOperator)
|
|
ClearCachedDataInSubtreeHelper(PLDHashTable *table, PLDHashEntryHdr *hdr,
|
|
PRUint32 number, void *arg)
|
|
{
|
|
ChildrenHashEntry *entry = NS_STATIC_CAST(ChildrenHashEntry*, hdr);
|
|
nsIStyleRule* rule = NS_STATIC_CAST(nsIStyleRule*, arg);
|
|
entry->mRuleNode->ClearCachedDataInSubtree(rule);
|
|
return PL_DHASH_NEXT;
|
|
}
|
|
|
|
nsresult
|
|
nsRuleNode::ClearCachedDataInSubtree(nsIStyleRule* aRule)
|
|
{
|
|
if (aRule == nsnull || mRule == aRule) {
|
|
// We have a match. Blow away all data stored at this node.
|
|
if (mStyleData.mResetData || mStyleData.mInheritedData)
|
|
mStyleData.Destroy(0, mPresContext);
|
|
mNoneBits &= ~NS_STYLE_INHERIT_MASK;
|
|
mDependentBits &= ~NS_STYLE_INHERIT_MASK;
|
|
aRule = nsnull; // Cause everything to be blown away in the descendants.
|
|
}
|
|
|
|
if (ChildrenAreHashed())
|
|
PL_DHashTableEnumerate(ChildrenHash(),
|
|
ClearCachedDataInSubtreeHelper, aRule);
|
|
else
|
|
for (nsRuleList* curr = ChildrenList(); curr; curr = curr->mNext)
|
|
curr->mRuleNode->ClearCachedDataInSubtree(aRule);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsRuleNode::GetPresContext(nsIPresContext** aResult)
|
|
{
|
|
*aResult = mPresContext;
|
|
NS_IF_ADDREF(*aResult);
|
|
return NS_OK;
|
|
}
|
|
|
|
inline void
|
|
nsRuleNode::PropagateNoneBit(PRUint32 aBit, nsRuleNode* aHighestNode)
|
|
{
|
|
nsRuleNode* curr = this;
|
|
for (;;) {
|
|
NS_ASSERTION(!(curr->mNoneBits & aBit), "propagating too far");
|
|
curr->mNoneBits |= aBit;
|
|
if (curr == aHighestNode)
|
|
break;
|
|
curr = curr->mParent;
|
|
}
|
|
}
|
|
|
|
inline void
|
|
nsRuleNode::PropagateDependentBit(PRUint32 aBit, nsRuleNode* aHighestNode)
|
|
{
|
|
if (mDependentBits & aBit)
|
|
return; // Already set.
|
|
|
|
nsRuleNode* curr = this;
|
|
while (curr != aHighestNode) {
|
|
if (curr->mDependentBits & aBit) {
|
|
#ifdef DEBUG
|
|
while (curr != aHighestNode) {
|
|
NS_ASSERTION(curr->mDependentBits & aBit, "bit not set");
|
|
curr = curr->mParent;
|
|
}
|
|
#endif
|
|
break;
|
|
}
|
|
|
|
curr->mDependentBits |= aBit;
|
|
curr = curr->mParent;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* The following "Check" functions are used for determining what type of
|
|
* sharing can be used for the data on this rule node. MORE HERE...
|
|
*/
|
|
|
|
/* the information for a property (or in some cases, a rect group of
|
|
properties) */
|
|
|
|
// for PropertyCheckData::type
|
|
// XXX Would bits be more efficient?
|
|
#define CHECKDATA_VALUE 0
|
|
#define CHECKDATA_RECT 1
|
|
#define CHECKDATA_VALUELIST 2
|
|
#define CHECKDATA_COUNTERDATA 3
|
|
#define CHECKDATA_QUOTES 4
|
|
#define CHECKDATA_SHADOW 5
|
|
#define CHECKDATA_VALUELIST_ARRAY 6
|
|
|
|
struct PropertyCheckData {
|
|
size_t offset;
|
|
PRUint16 type;
|
|
PRPackedBool mayHaveExplicitInherit;
|
|
};
|
|
|
|
#define CHECKDATA_PROP(_datastruct, _member, _type, _iscoord) \
|
|
{ offsetof(_datastruct, _member), _type, _iscoord }
|
|
|
|
/* the information for all the properties in a style struct */
|
|
|
|
typedef nsRuleNode::RuleDetail
|
|
(* PR_CALLBACK CheckCallbackFn)(const nsCSSStruct& aData);
|
|
|
|
struct StructCheckData {
|
|
const PropertyCheckData* props;
|
|
PRInt32 nprops;
|
|
CheckCallbackFn callback;
|
|
};
|
|
|
|
static void
|
|
ExamineRectProperties(const nsCSSRect* aRect,
|
|
PRUint32& aSpecifiedCount, PRUint32& aInheritedCount)
|
|
{
|
|
if (!aRect)
|
|
return;
|
|
|
|
if (eCSSUnit_Null != aRect->mLeft.GetUnit()) {
|
|
aSpecifiedCount++;
|
|
if (eCSSUnit_Inherit == aRect->mLeft.GetUnit())
|
|
aInheritedCount++;
|
|
}
|
|
|
|
if (eCSSUnit_Null != aRect->mTop.GetUnit()) {
|
|
aSpecifiedCount++;
|
|
if (eCSSUnit_Inherit == aRect->mTop.GetUnit())
|
|
aInheritedCount++;
|
|
}
|
|
|
|
if (eCSSUnit_Null != aRect->mRight.GetUnit()) {
|
|
aSpecifiedCount++;
|
|
if (eCSSUnit_Inherit == aRect->mRight.GetUnit())
|
|
aInheritedCount++;
|
|
}
|
|
|
|
if (eCSSUnit_Null != aRect->mBottom.GetUnit()) {
|
|
aSpecifiedCount++;
|
|
if (eCSSUnit_Inherit == aRect->mBottom.GetUnit())
|
|
aInheritedCount++;
|
|
}
|
|
}
|
|
|
|
static void
|
|
ExamineRectCoordProperties(const nsCSSRect* aRect,
|
|
PRUint32& aSpecifiedCount,
|
|
PRUint32& aInheritedCount,
|
|
PRBool& aCanHaveExplicitInherit)
|
|
{
|
|
if (!aRect)
|
|
return;
|
|
|
|
if (eCSSUnit_Null != aRect->mLeft.GetUnit()) {
|
|
aSpecifiedCount++;
|
|
if (eCSSUnit_Inherit == aRect->mLeft.GetUnit()) {
|
|
aInheritedCount++;
|
|
aCanHaveExplicitInherit = PR_TRUE;
|
|
}
|
|
}
|
|
|
|
if (eCSSUnit_Null != aRect->mTop.GetUnit()) {
|
|
aSpecifiedCount++;
|
|
if (eCSSUnit_Inherit == aRect->mTop.GetUnit()) {
|
|
aInheritedCount++;
|
|
aCanHaveExplicitInherit = PR_TRUE;
|
|
}
|
|
}
|
|
|
|
if (eCSSUnit_Null != aRect->mRight.GetUnit()) {
|
|
aSpecifiedCount++;
|
|
if (eCSSUnit_Inherit == aRect->mRight.GetUnit()) {
|
|
aInheritedCount++;
|
|
aCanHaveExplicitInherit = PR_TRUE;
|
|
}
|
|
}
|
|
|
|
if (eCSSUnit_Null != aRect->mBottom.GetUnit()) {
|
|
aSpecifiedCount++;
|
|
if (eCSSUnit_Inherit == aRect->mBottom.GetUnit()) {
|
|
aInheritedCount++;
|
|
aCanHaveExplicitInherit = PR_TRUE;
|
|
}
|
|
}
|
|
}
|
|
|
|
PR_STATIC_CALLBACK(nsRuleNode::RuleDetail)
|
|
CheckFontCallback(const nsCSSStruct& aData)
|
|
{
|
|
const nsCSSFont& fontData = NS_STATIC_CAST(const nsCSSFont&, aData);
|
|
if (eCSSUnit_Enumerated == fontData.mFamily.GetUnit()) {
|
|
// A special case. We treat this as a fully specified font,
|
|
// since no other font props are legal with a system font.
|
|
PRInt32 family = fontData.mFamily.GetIntValue();
|
|
if ((family == NS_STYLE_FONT_CAPTION) ||
|
|
(family == NS_STYLE_FONT_ICON) ||
|
|
(family == NS_STYLE_FONT_MENU) ||
|
|
(family == NS_STYLE_FONT_MESSAGE_BOX) ||
|
|
(family == NS_STYLE_FONT_SMALL_CAPTION) ||
|
|
(family == NS_STYLE_FONT_STATUS_BAR) ||
|
|
(family == NS_STYLE_FONT_WINDOW) ||
|
|
(family == NS_STYLE_FONT_DOCUMENT) ||
|
|
(family == NS_STYLE_FONT_WORKSPACE) ||
|
|
(family == NS_STYLE_FONT_DESKTOP) ||
|
|
(family == NS_STYLE_FONT_INFO) ||
|
|
(family == NS_STYLE_FONT_DIALOG) ||
|
|
(family == NS_STYLE_FONT_BUTTON) ||
|
|
(family == NS_STYLE_FONT_PULL_DOWN_MENU) ||
|
|
(family == NS_STYLE_FONT_LIST) ||
|
|
(family == NS_STYLE_FONT_FIELD))
|
|
// Mixed rather than Reset in case another sub-property has
|
|
// an explicit 'inherit'. XXXperf Could check them.
|
|
return nsRuleNode::eRuleFullMixed;
|
|
}
|
|
return nsRuleNode::eRuleUnknown;
|
|
}
|
|
|
|
static const PropertyCheckData FontCheckProperties[] = {
|
|
CHECKDATA_PROP(nsCSSFont, mFamily, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSFont, mStyle, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSFont, mVariant, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSFont, mWeight, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSFont, mSize, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSFont, mSizeAdjust, CHECKDATA_VALUE, PR_FALSE)
|
|
};
|
|
|
|
static const PropertyCheckData DisplayCheckProperties[] = {
|
|
CHECKDATA_PROP(nsCSSDisplay, mAppearance, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSDisplay, mClip, CHECKDATA_RECT, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSDisplay, mDisplay, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSDisplay, mBinding, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSDisplay, mPosition, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSDisplay, mFloat, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSDisplay, mClear, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSDisplay, mOverflow, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSDisplay, mBreakBefore, CHECKDATA_VALUE, PR_FALSE), // temp fix for bug 2400
|
|
CHECKDATA_PROP(nsCSSDisplay, mBreakAfter, CHECKDATA_VALUE, PR_FALSE) // temp fix for bug 2400
|
|
};
|
|
|
|
static const PropertyCheckData VisibilityCheckProperties[] = {
|
|
CHECKDATA_PROP(nsCSSDisplay, mVisibility, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSDisplay, mDirection, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSDisplay, mLang, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSDisplay, mOpacity, CHECKDATA_VALUE, PR_FALSE)
|
|
};
|
|
|
|
static const PropertyCheckData MarginCheckProperties[] = {
|
|
CHECKDATA_PROP(nsCSSMargin, mMargin, CHECKDATA_RECT, PR_TRUE)
|
|
};
|
|
|
|
static const PropertyCheckData BorderCheckProperties[] = {
|
|
CHECKDATA_PROP(nsCSSMargin, mBorderWidth, CHECKDATA_RECT, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSMargin, mBorderStyle, CHECKDATA_RECT, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSMargin, mBorderColor, CHECKDATA_RECT, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSMargin, mBorderRadius, CHECKDATA_RECT, PR_TRUE),
|
|
CHECKDATA_PROP(nsCSSMargin, mFloatEdge, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSMargin, mBorderColors, CHECKDATA_VALUELIST_ARRAY, PR_FALSE)
|
|
};
|
|
|
|
static const PropertyCheckData PaddingCheckProperties[] = {
|
|
CHECKDATA_PROP(nsCSSMargin, mPadding, CHECKDATA_RECT, PR_TRUE)
|
|
};
|
|
|
|
static const PropertyCheckData OutlineCheckProperties[] = {
|
|
CHECKDATA_PROP(nsCSSMargin, mOutlineColor, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSMargin, mOutlineWidth, CHECKDATA_VALUE, PR_TRUE),
|
|
CHECKDATA_PROP(nsCSSMargin, mOutlineStyle, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSMargin, mOutlineRadius, CHECKDATA_RECT, PR_TRUE)
|
|
};
|
|
|
|
static const PropertyCheckData ListCheckProperties[] = {
|
|
CHECKDATA_PROP(nsCSSList, mType, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSList, mImage, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSList, mPosition, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSList, mImageRegion, CHECKDATA_RECT, PR_TRUE)
|
|
};
|
|
|
|
static const PropertyCheckData ColorCheckProperties[] = {
|
|
CHECKDATA_PROP(nsCSSColor, mColor, CHECKDATA_VALUE, PR_FALSE)
|
|
};
|
|
|
|
static const PropertyCheckData BackgroundCheckProperties[] = {
|
|
CHECKDATA_PROP(nsCSSColor, mBackAttachment, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSColor, mBackRepeat, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSColor, mBackClip, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSColor, mBackColor, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSColor, mBackImage, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSColor, mBackOrigin, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSColor, mBackPositionX, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSColor, mBackPositionY, CHECKDATA_VALUE, PR_FALSE)
|
|
};
|
|
|
|
static const PropertyCheckData PositionCheckProperties[] = {
|
|
CHECKDATA_PROP(nsCSSPosition, mOffset, CHECKDATA_RECT, PR_TRUE),
|
|
CHECKDATA_PROP(nsCSSPosition, mWidth, CHECKDATA_VALUE, PR_TRUE),
|
|
CHECKDATA_PROP(nsCSSPosition, mMinWidth, CHECKDATA_VALUE, PR_TRUE),
|
|
CHECKDATA_PROP(nsCSSPosition, mMaxWidth, CHECKDATA_VALUE, PR_TRUE),
|
|
CHECKDATA_PROP(nsCSSPosition, mHeight, CHECKDATA_VALUE, PR_TRUE),
|
|
CHECKDATA_PROP(nsCSSPosition, mMinHeight, CHECKDATA_VALUE, PR_TRUE),
|
|
CHECKDATA_PROP(nsCSSPosition, mMaxHeight, CHECKDATA_VALUE, PR_TRUE),
|
|
CHECKDATA_PROP(nsCSSPosition, mBoxSizing, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSPosition, mZIndex, CHECKDATA_VALUE, PR_FALSE)
|
|
};
|
|
|
|
static const PropertyCheckData TableCheckProperties[] = {
|
|
CHECKDATA_PROP(nsCSSTable, mLayout, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSTable, mFrame, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSTable, mRules, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSTable, mCols, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSTable, mSpan, CHECKDATA_VALUE, PR_FALSE)
|
|
};
|
|
|
|
static const PropertyCheckData TableBorderCheckProperties[] = {
|
|
CHECKDATA_PROP(nsCSSTable, mBorderCollapse, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSTable, mBorderSpacingX, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSTable, mBorderSpacingY, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSTable, mCaptionSide, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSTable, mEmptyCells, CHECKDATA_VALUE, PR_FALSE)
|
|
};
|
|
|
|
static const PropertyCheckData ContentCheckProperties[] = {
|
|
CHECKDATA_PROP(nsCSSContent, mContent, CHECKDATA_VALUELIST, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSContent, mMarkerOffset, CHECKDATA_VALUE, PR_TRUE),
|
|
CHECKDATA_PROP(nsCSSContent, mCounterIncrement, CHECKDATA_COUNTERDATA, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSContent, mCounterReset, CHECKDATA_COUNTERDATA, PR_FALSE)
|
|
};
|
|
|
|
static const PropertyCheckData QuotesCheckProperties[] = {
|
|
CHECKDATA_PROP(nsCSSContent, mQuotes, CHECKDATA_QUOTES, PR_FALSE)
|
|
};
|
|
|
|
static const PropertyCheckData TextCheckProperties[] = {
|
|
CHECKDATA_PROP(nsCSSText, mLineHeight, CHECKDATA_VALUE, PR_TRUE),
|
|
CHECKDATA_PROP(nsCSSText, mTextIndent, CHECKDATA_VALUE, PR_TRUE),
|
|
CHECKDATA_PROP(nsCSSText, mWordSpacing, CHECKDATA_VALUE, PR_TRUE),
|
|
CHECKDATA_PROP(nsCSSText, mLetterSpacing, CHECKDATA_VALUE, PR_TRUE),
|
|
CHECKDATA_PROP(nsCSSText, mTextAlign, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSText, mTextTransform, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSText, mWhiteSpace, CHECKDATA_VALUE, PR_FALSE)
|
|
};
|
|
|
|
static const PropertyCheckData TextResetCheckProperties[] = {
|
|
CHECKDATA_PROP(nsCSSText, mDecoration, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSText, mVerticalAlign, CHECKDATA_VALUE, PR_TRUE),
|
|
CHECKDATA_PROP(nsCSSText, mUnicodeBidi, CHECKDATA_VALUE, PR_FALSE)
|
|
};
|
|
|
|
static const PropertyCheckData UserInterfaceCheckProperties[] = {
|
|
CHECKDATA_PROP(nsCSSUserInterface, mUserInput, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSUserInterface, mUserModify, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSUserInterface, mUserFocus, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSUserInterface, mCursor, CHECKDATA_VALUELIST, PR_FALSE)
|
|
};
|
|
|
|
static const PropertyCheckData UIResetCheckProperties[] = {
|
|
CHECKDATA_PROP(nsCSSUserInterface, mUserSelect, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSUserInterface, mResizer, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSUserInterface, mKeyEquivalent, CHECKDATA_VALUELIST, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSUserInterface, mForceBrokenImageIcon, CHECKDATA_VALUE, PR_FALSE)
|
|
};
|
|
|
|
#ifdef INCLUDE_XUL
|
|
static const PropertyCheckData XULCheckProperties[] = {
|
|
CHECKDATA_PROP(nsCSSXUL, mBoxAlign, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSXUL, mBoxDirection, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSXUL, mBoxFlex, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSXUL, mBoxOrient, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSXUL, mBoxPack, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSXUL, mBoxOrdinal, CHECKDATA_VALUE, PR_FALSE)
|
|
};
|
|
#endif
|
|
|
|
#ifdef MOZ_SVG
|
|
static const PropertyCheckData SVGCheckProperties[] = {
|
|
CHECKDATA_PROP(nsCSSSVG, mFill, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSSVG, mFillOpacity, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSSVG, mFillRule, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSSVG, mStroke, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSSVG, mStrokeDasharray, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSSVG, mStrokeDashoffset, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSSVG, mStrokeLinecap, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSSVG, mStrokeLinejoin, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSSVG, mStrokeMiterlimit, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSSVG, mStrokeOpacity, CHECKDATA_VALUE, PR_FALSE),
|
|
CHECKDATA_PROP(nsCSSSVG, mStrokeWidth, CHECKDATA_VALUE, PR_FALSE)
|
|
};
|
|
#endif
|
|
|
|
static const StructCheckData gCheckProperties[] = {
|
|
|
|
#define STYLE_STRUCT(name, checkdata_cb) \
|
|
{name##CheckProperties, \
|
|
sizeof(name##CheckProperties)/sizeof(PropertyCheckData), \
|
|
checkdata_cb},
|
|
#include "nsStyleStructList.h"
|
|
#undef STYLE_STRUCT
|
|
{nsnull, 0, nsnull}
|
|
|
|
};
|
|
|
|
|
|
|
|
// XXXldb Taking the address of a reference is evil.
|
|
|
|
inline const nsCSSValue&
|
|
ValueAtOffset(const nsCSSStruct& aCSSStruct, size_t aOffset)
|
|
{
|
|
return * NS_REINTERPRET_CAST(const nsCSSValue*,
|
|
NS_REINTERPRET_CAST(const char*, &aCSSStruct) + aOffset);
|
|
}
|
|
|
|
inline const nsCSSRect*
|
|
RectAtOffset(const nsCSSStruct& aCSSStruct, size_t aOffset)
|
|
{
|
|
return * NS_REINTERPRET_CAST(const nsCSSRect*const*,
|
|
NS_REINTERPRET_CAST(const char*, &aCSSStruct) + aOffset);
|
|
}
|
|
|
|
inline const nsCSSValueList*
|
|
ValueListAtOffset(const nsCSSStruct& aCSSStruct, size_t aOffset)
|
|
{
|
|
return * NS_REINTERPRET_CAST(const nsCSSValueList*const*,
|
|
NS_REINTERPRET_CAST(const char*, &aCSSStruct) + aOffset);
|
|
}
|
|
|
|
inline const nsCSSValueList**
|
|
ValueListArrayAtOffset(const nsCSSStruct& aCSSStruct, size_t aOffset)
|
|
{
|
|
return * NS_REINTERPRET_CAST(const nsCSSValueList**const*,
|
|
NS_REINTERPRET_CAST(const char*, &aCSSStruct) + aOffset);
|
|
}
|
|
|
|
inline const nsCSSCounterData*
|
|
CounterDataAtOffset(const nsCSSStruct& aCSSStruct, size_t aOffset)
|
|
{
|
|
return * NS_REINTERPRET_CAST(const nsCSSCounterData*const*,
|
|
NS_REINTERPRET_CAST(const char*, &aCSSStruct) + aOffset);
|
|
}
|
|
|
|
inline const nsCSSQuotes*
|
|
QuotesAtOffset(const nsCSSStruct& aCSSStruct, size_t aOffset)
|
|
{
|
|
return * NS_REINTERPRET_CAST(const nsCSSQuotes*const*,
|
|
NS_REINTERPRET_CAST(const char*, &aCSSStruct) + aOffset);
|
|
}
|
|
|
|
inline nsRuleNode::RuleDetail
|
|
nsRuleNode::CheckSpecifiedProperties(const nsStyleStructID aSID,
|
|
const nsCSSStruct& aCSSStruct)
|
|
{
|
|
const StructCheckData *structData = gCheckProperties + aSID;
|
|
if (structData->callback) {
|
|
nsRuleNode::RuleDetail res = (*structData->callback)(aCSSStruct);
|
|
if (res != eRuleUnknown)
|
|
return res;
|
|
}
|
|
|
|
// Build a count of the:
|
|
PRUint32 total = 0, // total number of props in the struct
|
|
specified = 0, // number that were specified for this node
|
|
inherited = 0; // number that were 'inherit' (and not
|
|
// eCSSUnit_Inherit) for this node
|
|
PRBool canHaveExplicitInherit = PR_FALSE;
|
|
|
|
for (const PropertyCheckData *prop = structData->props,
|
|
*prop_end = prop + structData->nprops;
|
|
prop != prop_end;
|
|
++prop)
|
|
switch (prop->type) {
|
|
|
|
case CHECKDATA_VALUE:
|
|
{
|
|
++total;
|
|
const nsCSSValue& value = ValueAtOffset(aCSSStruct, prop->offset);
|
|
if (eCSSUnit_Null != value.GetUnit()) {
|
|
++specified;
|
|
if (eCSSUnit_Inherit == value.GetUnit()) {
|
|
++inherited;
|
|
if (prop->mayHaveExplicitInherit)
|
|
canHaveExplicitInherit = PR_TRUE;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
case CHECKDATA_RECT:
|
|
total += 4;
|
|
if (prop->mayHaveExplicitInherit)
|
|
ExamineRectCoordProperties(RectAtOffset(aCSSStruct, prop->offset),
|
|
specified, inherited,
|
|
canHaveExplicitInherit);
|
|
else
|
|
ExamineRectProperties(RectAtOffset(aCSSStruct, prop->offset),
|
|
specified, inherited);
|
|
break;
|
|
|
|
case CHECKDATA_VALUELIST:
|
|
{
|
|
++total;
|
|
const nsCSSValueList* valueList =
|
|
ValueListAtOffset(aCSSStruct, prop->offset);
|
|
if (valueList) {
|
|
++specified;
|
|
if (eCSSUnit_Inherit == valueList->mValue.GetUnit()) {
|
|
++inherited;
|
|
if (prop->mayHaveExplicitInherit)
|
|
canHaveExplicitInherit = PR_TRUE;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
case CHECKDATA_COUNTERDATA:
|
|
{
|
|
++total;
|
|
NS_ASSERTION(!prop->mayHaveExplicitInherit,
|
|
"counters can't be coordinates");
|
|
const nsCSSCounterData* counterData =
|
|
CounterDataAtOffset(aCSSStruct, prop->offset);
|
|
if (counterData) {
|
|
++specified;
|
|
if (eCSSUnit_Inherit == counterData->mCounter.GetUnit()) {
|
|
++inherited;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
case CHECKDATA_QUOTES:
|
|
{
|
|
++total;
|
|
NS_ASSERTION(!prop->mayHaveExplicitInherit,
|
|
"quotes can't be coordinates");
|
|
const nsCSSQuotes* quotes =
|
|
QuotesAtOffset(aCSSStruct, prop->offset);
|
|
if (quotes) {
|
|
++specified;
|
|
if (eCSSUnit_Inherit == quotes->mOpen.GetUnit()) {
|
|
++inherited;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
case CHECKDATA_VALUELIST_ARRAY:
|
|
{
|
|
total += 4;
|
|
const nsCSSValueList** valueArray =
|
|
ValueListArrayAtOffset(aCSSStruct, prop->offset);
|
|
if (valueArray) {
|
|
for (PRInt32 i = 0; i < 4; i++) {
|
|
const nsCSSValueList* valList = valueArray[i];
|
|
if (valList) {
|
|
++specified;
|
|
if (eCSSUnit_Inherit == valList->mValue.GetUnit()) {
|
|
++inherited;
|
|
NS_ASSERTION(!prop->mayHaveExplicitInherit, "Value list arrays can't inherit!");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
case CHECKDATA_SHADOW:
|
|
NS_NOTYETIMPLEMENTED("nsCSSShadow not yet transferred to structs");
|
|
break;
|
|
|
|
default:
|
|
NS_NOTREACHED("unknown type");
|
|
break;
|
|
|
|
}
|
|
|
|
#if 0
|
|
printf("CheckSpecifiedProperties: SID=%d total=%d spec=%d inh=%d chei=%s.\n",
|
|
aSID, total, specified, inherited, canHaveExplicitInherit?"true":"false");
|
|
#endif
|
|
|
|
if (canHaveExplicitInherit) {
|
|
if (specified == total)
|
|
return eRuleFullMixed;
|
|
return eRulePartialMixed;
|
|
}
|
|
if (inherited == total)
|
|
return eRuleFullInherited;
|
|
if (specified == total) {
|
|
if (inherited == 0)
|
|
return eRuleFullReset;
|
|
return eRuleFullMixed;
|
|
}
|
|
if (specified == 0)
|
|
return eRuleNone;
|
|
if (specified == inherited)
|
|
return eRulePartialInherited;
|
|
if (inherited == 0)
|
|
return eRulePartialReset;
|
|
return eRulePartialMixed;
|
|
}
|
|
|
|
const nsStyleStruct*
|
|
nsRuleNode::GetDisplayData(nsIStyleContext* aContext, PRBool aComputeData)
|
|
{
|
|
nsCSSDisplay displayData; // Declare a struct with null CSS values.
|
|
nsRuleData ruleData(eStyleStruct_Display, mPresContext, aContext);
|
|
ruleData.mDisplayData = &displayData;
|
|
|
|
nsCSSRect clip;
|
|
displayData.mClip = &clip;
|
|
const nsStyleStruct* res = WalkRuleTree(eStyleStruct_Display, aContext, &ruleData, &displayData, aComputeData);
|
|
displayData.mClip = nsnull;
|
|
return res;
|
|
}
|
|
|
|
const nsStyleStruct*
|
|
nsRuleNode::GetVisibilityData(nsIStyleContext* aContext, PRBool aComputeData)
|
|
{
|
|
nsCSSDisplay displayData; // Declare a struct with null CSS values.
|
|
nsRuleData ruleData(eStyleStruct_Visibility, mPresContext, aContext);
|
|
ruleData.mDisplayData = &displayData;
|
|
|
|
return WalkRuleTree(eStyleStruct_Visibility, aContext, &ruleData, &displayData, aComputeData);
|
|
}
|
|
|
|
const nsStyleStruct*
|
|
nsRuleNode::GetTextData(nsIStyleContext* aContext, PRBool aComputeData)
|
|
{
|
|
nsCSSText textData; // Declare a struct with null CSS values.
|
|
nsRuleData ruleData(eStyleStruct_Text, mPresContext, aContext);
|
|
ruleData.mTextData = &textData;
|
|
|
|
return WalkRuleTree(eStyleStruct_Text, aContext, &ruleData, &textData, aComputeData);
|
|
}
|
|
|
|
const nsStyleStruct*
|
|
nsRuleNode::GetTextResetData(nsIStyleContext* aContext, PRBool aComputeData)
|
|
{
|
|
nsCSSText textData; // Declare a struct with null CSS values.
|
|
nsRuleData ruleData(eStyleStruct_TextReset, mPresContext, aContext);
|
|
ruleData.mTextData = &textData;
|
|
|
|
return WalkRuleTree(eStyleStruct_TextReset, aContext, &ruleData, &textData, aComputeData);
|
|
}
|
|
|
|
const nsStyleStruct*
|
|
nsRuleNode::GetUserInterfaceData(nsIStyleContext* aContext, PRBool aComputeData)
|
|
{
|
|
nsCSSUserInterface uiData; // Declare a struct with null CSS values.
|
|
nsRuleData ruleData(eStyleStruct_UserInterface, mPresContext, aContext);
|
|
ruleData.mUIData = &uiData;
|
|
|
|
const nsStyleStruct* res = WalkRuleTree(eStyleStruct_UserInterface, aContext, &ruleData, &uiData, aComputeData);
|
|
uiData.mCursor = nsnull;
|
|
return res;
|
|
}
|
|
|
|
const nsStyleStruct*
|
|
nsRuleNode::GetUIResetData(nsIStyleContext* aContext, PRBool aComputeData)
|
|
{
|
|
nsCSSUserInterface uiData; // Declare a struct with null CSS values.
|
|
nsRuleData ruleData(eStyleStruct_UIReset, mPresContext, aContext);
|
|
ruleData.mUIData = &uiData;
|
|
|
|
const nsStyleStruct* res = WalkRuleTree(eStyleStruct_UIReset, aContext, &ruleData, &uiData, aComputeData);
|
|
uiData.mKeyEquivalent = nsnull;
|
|
return res;
|
|
}
|
|
|
|
const nsStyleStruct*
|
|
nsRuleNode::GetFontData(nsIStyleContext* aContext, PRBool aComputeData)
|
|
{
|
|
nsCSSFont fontData; // Declare a struct with null CSS values.
|
|
nsRuleData ruleData(eStyleStruct_Font, mPresContext, aContext);
|
|
ruleData.mFontData = &fontData;
|
|
|
|
return WalkRuleTree(eStyleStruct_Font, aContext, &ruleData, &fontData, aComputeData);
|
|
}
|
|
|
|
const nsStyleStruct*
|
|
nsRuleNode::GetColorData(nsIStyleContext* aContext, PRBool aComputeData)
|
|
{
|
|
nsCSSColor colorData; // Declare a struct with null CSS values.
|
|
nsRuleData ruleData(eStyleStruct_Color, mPresContext, aContext);
|
|
ruleData.mColorData = &colorData;
|
|
|
|
return WalkRuleTree(eStyleStruct_Color, aContext, &ruleData, &colorData, aComputeData);
|
|
}
|
|
|
|
const nsStyleStruct*
|
|
nsRuleNode::GetBackgroundData(nsIStyleContext* aContext, PRBool aComputeData)
|
|
{
|
|
nsCSSColor colorData; // Declare a struct with null CSS values.
|
|
nsRuleData ruleData(eStyleStruct_Background, mPresContext, aContext);
|
|
ruleData.mColorData = &colorData;
|
|
|
|
return WalkRuleTree(eStyleStruct_Background, aContext, &ruleData, &colorData, aComputeData);
|
|
}
|
|
|
|
const nsStyleStruct*
|
|
nsRuleNode::GetMarginData(nsIStyleContext* aContext, PRBool aComputeData)
|
|
{
|
|
nsCSSMargin marginData; // Declare a struct with null CSS values.
|
|
nsRuleData ruleData(eStyleStruct_Margin, mPresContext, aContext);
|
|
ruleData.mMarginData = &marginData;
|
|
|
|
nsCSSRect margin;
|
|
marginData.mMargin = &margin;
|
|
|
|
const nsStyleStruct* res = WalkRuleTree(eStyleStruct_Margin, aContext, &ruleData, &marginData, aComputeData);
|
|
|
|
marginData.mMargin = nsnull;
|
|
return res;
|
|
}
|
|
|
|
const nsStyleStruct*
|
|
nsRuleNode::GetBorderData(nsIStyleContext* aContext, PRBool aComputeData)
|
|
{
|
|
nsCSSMargin marginData; // Declare a struct with null CSS values.
|
|
nsRuleData ruleData(eStyleStruct_Border, mPresContext, aContext);
|
|
ruleData.mMarginData = &marginData;
|
|
|
|
nsCSSRect borderWidth;
|
|
nsCSSRect borderColor;
|
|
nsCSSRect borderStyle;
|
|
nsCSSRect borderRadius;
|
|
|
|
nsCSSValueList* borderColors[4];
|
|
for (PRInt32 i = 0; i < 4; i++)
|
|
borderColors[i] = nsnull;
|
|
|
|
marginData.mBorderWidth = &borderWidth;
|
|
marginData.mBorderColor = &borderColor;
|
|
marginData.mBorderStyle = &borderStyle;
|
|
marginData.mBorderRadius = &borderRadius;
|
|
marginData.mBorderColors = borderColors;
|
|
|
|
const nsStyleStruct* res = WalkRuleTree(eStyleStruct_Border, aContext, &ruleData, &marginData, aComputeData);
|
|
|
|
marginData.mBorderWidth = marginData.mBorderColor = marginData.mBorderStyle = marginData.mBorderRadius = nsnull;
|
|
marginData.mBorderColors = nsnull;
|
|
|
|
return res;
|
|
}
|
|
|
|
const nsStyleStruct*
|
|
nsRuleNode::GetPaddingData(nsIStyleContext* aContext, PRBool aComputeData)
|
|
{
|
|
nsCSSMargin marginData; // Declare a struct with null CSS values.
|
|
nsRuleData ruleData(eStyleStruct_Padding, mPresContext, aContext);
|
|
ruleData.mMarginData = &marginData;
|
|
|
|
nsCSSRect padding;
|
|
marginData.mPadding = &padding;
|
|
|
|
const nsStyleStruct* res = WalkRuleTree(eStyleStruct_Padding, aContext, &ruleData, &marginData, aComputeData);
|
|
|
|
marginData.mPadding = nsnull;
|
|
return res;
|
|
}
|
|
|
|
const nsStyleStruct*
|
|
nsRuleNode::GetOutlineData(nsIStyleContext* aContext, PRBool aComputeData)
|
|
{
|
|
nsCSSMargin marginData; // Declare a struct with null CSS values.
|
|
nsRuleData ruleData(eStyleStruct_Outline, mPresContext, aContext);
|
|
ruleData.mMarginData = &marginData;
|
|
|
|
nsCSSRect outlineRadius;
|
|
marginData.mOutlineRadius = &outlineRadius;
|
|
|
|
const nsStyleStruct* res = WalkRuleTree(eStyleStruct_Outline, aContext, &ruleData, &marginData, aComputeData);
|
|
|
|
marginData.mOutlineRadius = nsnull;
|
|
return res;
|
|
}
|
|
|
|
const nsStyleStruct*
|
|
nsRuleNode::GetListData(nsIStyleContext* aContext, PRBool aComputeData)
|
|
{
|
|
nsCSSList listData; // Declare a struct with null CSS values.
|
|
nsRuleData ruleData(eStyleStruct_List, mPresContext, aContext);
|
|
ruleData.mListData = &listData;
|
|
|
|
nsCSSRect imageRegion;
|
|
listData.mImageRegion = &imageRegion;
|
|
const nsStyleStruct* res = WalkRuleTree(eStyleStruct_List, aContext, &ruleData, &listData, aComputeData);
|
|
listData.mImageRegion = nsnull;
|
|
|
|
return res;
|
|
}
|
|
|
|
const nsStyleStruct*
|
|
nsRuleNode::GetPositionData(nsIStyleContext* aContext, PRBool aComputeData)
|
|
{
|
|
nsCSSPosition posData; // Declare a struct with null CSS values.
|
|
nsRuleData ruleData(eStyleStruct_Position, mPresContext, aContext);
|
|
ruleData.mPositionData = &posData;
|
|
|
|
nsCSSRect offset;
|
|
posData.mOffset = &offset;
|
|
const nsStyleStruct* res = WalkRuleTree(eStyleStruct_Position, aContext, &ruleData, &posData, aComputeData);
|
|
posData.mOffset = nsnull;
|
|
|
|
return res;
|
|
}
|
|
|
|
const nsStyleStruct*
|
|
nsRuleNode::GetTableData(nsIStyleContext* aContext, PRBool aComputeData)
|
|
{
|
|
nsCSSTable tableData; // Declare a struct with null CSS values.
|
|
nsRuleData ruleData(eStyleStruct_Table, mPresContext, aContext);
|
|
ruleData.mTableData = &tableData;
|
|
|
|
return WalkRuleTree(eStyleStruct_Table, aContext, &ruleData, &tableData, aComputeData);
|
|
}
|
|
|
|
const nsStyleStruct*
|
|
nsRuleNode::GetTableBorderData(nsIStyleContext* aContext, PRBool aComputeData)
|
|
{
|
|
nsCSSTable tableData; // Declare a struct with null CSS values.
|
|
nsRuleData ruleData(eStyleStruct_TableBorder, mPresContext, aContext);
|
|
ruleData.mTableData = &tableData;
|
|
|
|
return WalkRuleTree(eStyleStruct_TableBorder, aContext, &ruleData, &tableData, aComputeData);
|
|
}
|
|
|
|
const nsStyleStruct*
|
|
nsRuleNode::GetContentData(nsIStyleContext* aContext, PRBool aComputeData)
|
|
{
|
|
nsCSSContent contentData; // Declare a struct with null CSS values.
|
|
nsRuleData ruleData(eStyleStruct_Content, mPresContext, aContext);
|
|
ruleData.mContentData = &contentData;
|
|
|
|
const nsStyleStruct* res = WalkRuleTree(eStyleStruct_Content, aContext, &ruleData, &contentData, aComputeData);
|
|
contentData.mCounterIncrement = contentData.mCounterReset = nsnull;
|
|
contentData.mContent = nsnull; // We are sharing with some style rule. It really owns the data.
|
|
return res;
|
|
}
|
|
|
|
const nsStyleStruct*
|
|
nsRuleNode::GetQuotesData(nsIStyleContext* aContext, PRBool aComputeData)
|
|
{
|
|
nsCSSContent contentData; // Declare a struct with null CSS values.
|
|
nsRuleData ruleData(eStyleStruct_Quotes, mPresContext, aContext);
|
|
ruleData.mContentData = &contentData;
|
|
|
|
const nsStyleStruct* res = WalkRuleTree(eStyleStruct_Quotes, aContext, &ruleData, &contentData, aComputeData);
|
|
contentData.mQuotes = nsnull; // We are sharing with some style rule. It really owns the data.
|
|
return res;
|
|
}
|
|
|
|
#ifdef INCLUDE_XUL
|
|
const nsStyleStruct*
|
|
nsRuleNode::GetXULData(nsIStyleContext* aContext, PRBool aComputeData)
|
|
{
|
|
nsCSSXUL xulData; // Declare a struct with null CSS values.
|
|
nsRuleData ruleData(eStyleStruct_XUL, mPresContext, aContext);
|
|
ruleData.mXULData = &xulData;
|
|
|
|
return WalkRuleTree(eStyleStruct_XUL, aContext, &ruleData, &xulData, aComputeData);
|
|
}
|
|
#endif
|
|
|
|
#ifdef MOZ_SVG
|
|
const nsStyleStruct*
|
|
nsRuleNode::GetSVGData(nsIStyleContext* aContext, PRBool aComputeData)
|
|
{
|
|
nsCSSSVG svgData; // Declare a struct with null CSS values.
|
|
nsRuleData ruleData(eStyleStruct_SVG, mPresContext, aContext);
|
|
ruleData.mSVGData = &svgData;
|
|
|
|
return WalkRuleTree(eStyleStruct_SVG, aContext, &ruleData, &svgData, aComputeData);
|
|
}
|
|
#endif
|
|
|
|
const nsStyleStruct*
|
|
nsRuleNode::WalkRuleTree(const nsStyleStructID aSID,
|
|
nsIStyleContext* aContext,
|
|
nsRuleData* aRuleData,
|
|
nsCSSStruct* aSpecificData,
|
|
PRBool aComputeData)
|
|
{
|
|
// We start at the most specific rule in the tree.
|
|
nsStyleStruct* startStruct = nsnull;
|
|
|
|
nsRuleNode* ruleNode = this;
|
|
nsRuleNode* highestNode = nsnull; // The highest node in the rule tree
|
|
// that has the same properties
|
|
// specified for struct |aSID| as
|
|
// |this| does.
|
|
nsRuleNode* rootNode = this; // After the loop below, this will be the
|
|
// highest node that we've walked without
|
|
// finding cached data on the rule tree.
|
|
// If we don't find any cached data, it
|
|
// will be the root. (XXX misnamed)
|
|
RuleDetail detail = eRuleNone;
|
|
PRUint32 bit = nsCachedStyleData::GetBitForSID(aSID);
|
|
|
|
while (ruleNode) {
|
|
// See if this rule node has cached the fact that the remaining
|
|
// nodes along this path specify no data whatsoever.
|
|
if (ruleNode->mNoneBits & bit)
|
|
break;
|
|
|
|
// If the dependent bit is set on a rule node for this struct, that
|
|
// means its rule won't have any information to add, so skip it.
|
|
// XXXldb I don't understand why we need to check |detail| here, but
|
|
// we do.
|
|
if (detail == eRuleNone)
|
|
while (ruleNode->mDependentBits & bit) {
|
|
NS_ASSERTION(ruleNode->mStyleData.GetStyleData(aSID) == nsnull,
|
|
"dependent bit with cached data makes no sense");
|
|
// Climb up to the next rule in the tree (a less specific rule).
|
|
rootNode = ruleNode;
|
|
ruleNode = ruleNode->mParent;
|
|
NS_ASSERTION(!(ruleNode->mNoneBits & bit), "can't have both bits set");
|
|
}
|
|
|
|
// Check for cached data after the inner loop above -- otherwise
|
|
// we'll miss it.
|
|
startStruct = ruleNode->mStyleData.GetStyleData(aSID);
|
|
if (startStruct)
|
|
break; // We found a rule with fully specified data. We don't
|
|
// need to go up the tree any further, since the remainder
|
|
// of this branch has already been computed.
|
|
|
|
// Ask the rule to fill in the properties that it specifies.
|
|
nsIStyleRule *rule = ruleNode->mRule;
|
|
if (rule)
|
|
rule->MapRuleInfoInto(aRuleData);
|
|
|
|
// Now we check to see how many properties have been specified by
|
|
// the rules we've examined so far.
|
|
RuleDetail oldDetail = detail;
|
|
detail = CheckSpecifiedProperties(aSID, *aSpecificData);
|
|
|
|
if (oldDetail == eRuleNone && detail != eRuleNone)
|
|
highestNode = ruleNode;
|
|
|
|
if (detail == eRuleFullReset ||
|
|
detail == eRuleFullMixed ||
|
|
detail == eRuleFullInherited)
|
|
break; // We don't need to examine any more rules. All properties
|
|
// have been fully specified.
|
|
|
|
// Climb up to the next rule in the tree (a less specific rule).
|
|
rootNode = ruleNode;
|
|
ruleNode = ruleNode->mParent;
|
|
}
|
|
|
|
PRBool isReset = nsCachedStyleData::IsReset(aSID);
|
|
if (!highestNode)
|
|
highestNode = rootNode;
|
|
|
|
if (!aRuleData->mCanStoreInRuleTree)
|
|
detail = eRulePartialMixed; // Treat as though some data is specified to avoid
|
|
// the optimizations and force data computation.
|
|
|
|
if (detail == eRuleNone && startStruct && !aRuleData->mPostResolveCallback) {
|
|
// We specified absolutely no rule information, but a parent rule in the tree
|
|
// specified all the rule information. We set a bit along the branch from our
|
|
// node in the tree to the node that specified the data that tells nodes on that
|
|
// branch that they never need to examine their rules for this particular struct type
|
|
// ever again.
|
|
PropagateDependentBit(bit, ruleNode);
|
|
return startStruct;
|
|
}
|
|
else if (!startStruct && ((!isReset && (detail == eRuleNone || detail == eRulePartialInherited))
|
|
|| detail == eRuleFullInherited)) {
|
|
// We specified no non-inherited information and neither did any of
|
|
// our parent rules.
|
|
|
|
// We set a bit along the branch from the highest node (ruleNode)
|
|
// down to our node (this) indicating that no non-inherited data was
|
|
// specified. This bit is guaranteed to be set already on the path
|
|
// from the highest node to the root node in the case where
|
|
// (detail == eRuleNone), which is the most common case here.
|
|
// We must check |!isReset| because the Compute*Data functions for
|
|
// reset structs wouldn't handle none bits correctly.
|
|
if (highestNode != this && !isReset)
|
|
PropagateNoneBit(bit, highestNode);
|
|
|
|
// All information must necessarily be inherited from our parent style context.
|
|
// In the absence of any computed data in the rule tree and with
|
|
// no rules specified that didn't have values of 'inherit', we should check our parent.
|
|
nsCOMPtr<nsIStyleContext> parentContext =
|
|
dont_AddRef(aContext->GetParent());
|
|
if (parentContext) {
|
|
// We have a parent, and so we should just inherit from the parent.
|
|
// Set the inherit bits on our context. These bits tell the style context that
|
|
// it never has to go back to the rule tree for data. Instead the style context tree
|
|
// should be walked to find the data.
|
|
const nsStyleStruct* parentStruct = parentContext->GetStyleData(aSID);
|
|
aContext->AddStyleBit(bit); // makes const_cast OK.
|
|
aContext->SetStyle(aSID, NS_CONST_CAST(nsStyleStruct*, parentStruct));
|
|
return parentStruct;
|
|
}
|
|
else
|
|
// We are the root. In the case of fonts, the default values just
|
|
// come from the pres context.
|
|
return SetDefaultOnRoot(aSID, aContext);
|
|
}
|
|
|
|
// We need to compute the data from the information that the rules specified.
|
|
if (!aComputeData)
|
|
return nsnull;
|
|
|
|
ComputeStyleDataFn fn = gComputeStyleDataFn[aSID];
|
|
const nsStyleStruct* res = (this->*fn)(startStruct, *aSpecificData, aContext, highestNode, detail,
|
|
!aRuleData->mCanStoreInRuleTree);
|
|
|
|
// If we have a post-resolve callback, handle that now.
|
|
if (aRuleData->mPostResolveCallback)
|
|
(*aRuleData->mPostResolveCallback)((nsStyleStruct*)res, aRuleData);
|
|
|
|
// Now return the result.
|
|
return res;
|
|
}
|
|
|
|
static nscoord
|
|
ZoomFont(nsIPresContext* aPresContext, nscoord aInSize)
|
|
{
|
|
nsCOMPtr<nsIDeviceContext> dc;
|
|
aPresContext->GetDeviceContext(getter_AddRefs(dc));
|
|
float textZoom;
|
|
dc->GetTextZoom(textZoom);
|
|
return nscoord(aInSize * textZoom);
|
|
}
|
|
|
|
static PRBool
|
|
IsChrome(nsIPresContext* aPresContext)
|
|
{
|
|
PRBool isChrome = PR_FALSE;
|
|
nsCOMPtr<nsISupports> container;
|
|
nsresult result = aPresContext->GetContainer(getter_AddRefs(container));
|
|
if (NS_SUCCEEDED(result) && container) {
|
|
nsCOMPtr<nsIDocShellTreeItem> docShell(do_QueryInterface(container, &result));
|
|
if (NS_SUCCEEDED(result) && docShell) {
|
|
PRInt32 docShellType;
|
|
result = docShell->GetItemType(&docShellType);
|
|
if (NS_SUCCEEDED(result)) {
|
|
isChrome = nsIDocShellTreeItem::typeChrome == docShellType;
|
|
}
|
|
}
|
|
}
|
|
return isChrome;
|
|
}
|
|
|
|
const nsStyleStruct*
|
|
nsRuleNode::SetDefaultOnRoot(const nsStyleStructID aSID, nsIStyleContext* aContext)
|
|
{
|
|
switch (aSID) {
|
|
case eStyleStruct_Font:
|
|
{
|
|
const nsFont* defaultFont;
|
|
mPresContext->GetDefaultFont(kPresContext_DefaultVariableFont_ID, &defaultFont);
|
|
nsStyleFont* fontData = new (mPresContext) nsStyleFont(*defaultFont);
|
|
fontData->mSize = ZoomFont(mPresContext, fontData->mFont.size);
|
|
|
|
nscoord minimumFontSize = 0;
|
|
mPresContext->GetCachedIntPref(kPresContext_MinimumFontSize, minimumFontSize);
|
|
if (minimumFontSize > 0 && !IsChrome(mPresContext)) {
|
|
fontData->mFont.size = PR_MAX(fontData->mSize, minimumFontSize);
|
|
}
|
|
else {
|
|
fontData->mFont.size = fontData->mSize;
|
|
}
|
|
aContext->SetStyle(eStyleStruct_Font, fontData);
|
|
return fontData;
|
|
}
|
|
case eStyleStruct_Display:
|
|
{
|
|
nsStyleDisplay* disp = new (mPresContext) nsStyleDisplay();
|
|
aContext->SetStyle(eStyleStruct_Display, disp);
|
|
return disp;
|
|
}
|
|
case eStyleStruct_Visibility:
|
|
{
|
|
nsStyleVisibility* vis = new (mPresContext) nsStyleVisibility(mPresContext);
|
|
aContext->SetStyle(eStyleStruct_Visibility, vis);
|
|
return vis;
|
|
}
|
|
case eStyleStruct_Text:
|
|
{
|
|
nsStyleText* text = new (mPresContext) nsStyleText();
|
|
aContext->SetStyle(eStyleStruct_Text, text);
|
|
return text;
|
|
}
|
|
case eStyleStruct_TextReset:
|
|
{
|
|
nsStyleTextReset* text = new (mPresContext) nsStyleTextReset();
|
|
aContext->SetStyle(eStyleStruct_TextReset, text);
|
|
return text;
|
|
}
|
|
case eStyleStruct_Color:
|
|
{
|
|
nsStyleColor* color = new (mPresContext) nsStyleColor(mPresContext);
|
|
aContext->SetStyle(eStyleStruct_Color, color);
|
|
return color;
|
|
}
|
|
case eStyleStruct_Background:
|
|
{
|
|
nsStyleBackground* bg = new (mPresContext) nsStyleBackground(mPresContext);
|
|
aContext->SetStyle(eStyleStruct_Background, bg);
|
|
return bg;
|
|
}
|
|
case eStyleStruct_Margin:
|
|
{
|
|
nsStyleMargin* margin = new (mPresContext) nsStyleMargin();
|
|
aContext->SetStyle(eStyleStruct_Margin, margin);
|
|
return margin;
|
|
}
|
|
case eStyleStruct_Border:
|
|
{
|
|
nsStyleBorder* border = new (mPresContext) nsStyleBorder(mPresContext);
|
|
aContext->SetStyle(eStyleStruct_Border, border);
|
|
return border;
|
|
}
|
|
case eStyleStruct_Padding:
|
|
{
|
|
nsStylePadding* padding = new (mPresContext) nsStylePadding();
|
|
aContext->SetStyle(eStyleStruct_Padding, padding);
|
|
return padding;
|
|
}
|
|
case eStyleStruct_Outline:
|
|
{
|
|
nsStyleOutline* outline = new (mPresContext) nsStyleOutline(mPresContext);
|
|
aContext->SetStyle(eStyleStruct_Outline, outline);
|
|
return outline;
|
|
}
|
|
case eStyleStruct_List:
|
|
{
|
|
nsStyleList* list = new (mPresContext) nsStyleList();
|
|
aContext->SetStyle(eStyleStruct_List, list);
|
|
return list;
|
|
}
|
|
case eStyleStruct_Position:
|
|
{
|
|
nsStylePosition* pos = new (mPresContext) nsStylePosition();
|
|
aContext->SetStyle(eStyleStruct_Position, pos);
|
|
return pos;
|
|
}
|
|
case eStyleStruct_Table:
|
|
{
|
|
nsStyleTable* table = new (mPresContext) nsStyleTable();
|
|
aContext->SetStyle(eStyleStruct_Table, table);
|
|
return table;
|
|
}
|
|
case eStyleStruct_TableBorder:
|
|
{
|
|
nsStyleTableBorder* table = new (mPresContext) nsStyleTableBorder(mPresContext);
|
|
aContext->SetStyle(eStyleStruct_TableBorder, table);
|
|
return table;
|
|
}
|
|
case eStyleStruct_Content:
|
|
{
|
|
nsStyleContent* content = new (mPresContext) nsStyleContent();
|
|
aContext->SetStyle(eStyleStruct_Content, content);
|
|
return content;
|
|
}
|
|
case eStyleStruct_Quotes:
|
|
{
|
|
nsStyleQuotes* quotes = new (mPresContext) nsStyleQuotes();
|
|
aContext->SetStyle(eStyleStruct_Quotes, quotes);
|
|
return quotes;
|
|
}
|
|
case eStyleStruct_UserInterface:
|
|
{
|
|
nsStyleUserInterface* ui = new (mPresContext) nsStyleUserInterface();
|
|
aContext->SetStyle(eStyleStruct_UserInterface, ui);
|
|
return ui;
|
|
}
|
|
case eStyleStruct_UIReset:
|
|
{
|
|
nsStyleUIReset* ui = new (mPresContext) nsStyleUIReset();
|
|
aContext->SetStyle(eStyleStruct_UIReset, ui);
|
|
return ui;
|
|
}
|
|
|
|
#ifdef INCLUDE_XUL
|
|
case eStyleStruct_XUL:
|
|
{
|
|
nsStyleXUL* xul = new (mPresContext) nsStyleXUL();
|
|
aContext->SetStyle(eStyleStruct_XUL, xul);
|
|
return xul;
|
|
}
|
|
#endif
|
|
|
|
#ifdef MOZ_SVG
|
|
case eStyleStruct_SVG:
|
|
{
|
|
nsStyleSVG* svg = new (mPresContext) nsStyleSVG();
|
|
aContext->SetStyle(eStyleStruct_SVG, svg);
|
|
return svg;
|
|
}
|
|
#endif
|
|
}
|
|
return nsnull;
|
|
}
|
|
|
|
nsRuleNode::ComputeStyleDataFn
|
|
nsRuleNode::gComputeStyleDataFn[] = {
|
|
|
|
#define STYLE_STRUCT(name, checkdata_cb) \
|
|
&nsRuleNode::Compute##name##Data,
|
|
#include "nsStyleStructList.h"
|
|
#undef STYLE_STRUCT
|
|
|
|
nsnull
|
|
};
|
|
|
|
static void
|
|
SetFont(nsIPresContext* aPresContext, nsIStyleContext* aContext,
|
|
nscoord aMinFontSize, PRBool aUseDocumentFonts, PRBool aChromeOverride,
|
|
PRBool aIsGeneric, const nsCSSFont& aFontData,
|
|
const nsFont& aDefaultFont, const nsStyleFont* aParentFont,
|
|
nsStyleFont* aFont, PRBool aZoom, PRBool& aInherited)
|
|
{
|
|
const nsFont* defaultVariableFont;
|
|
const nsFont* defaultFixedFont;
|
|
aPresContext->GetDefaultFont(kPresContext_DefaultVariableFont_ID, &defaultVariableFont);
|
|
aPresContext->GetDefaultFont(kPresContext_DefaultFixedFont_ID, &defaultFixedFont);
|
|
|
|
// font-family: string list, enum, inherit
|
|
if (eCSSUnit_String == aFontData.mFamily.GetUnit()) {
|
|
// set the correct font if we are using DocumentFonts OR we are overriding for XUL
|
|
// MJA: bug 31816
|
|
if (aChromeOverride || aUseDocumentFonts) {
|
|
if (!aIsGeneric) {
|
|
// only bother appending fallback fonts if this isn't a fallback generic font itself
|
|
aFont->mFont.name.Append((PRUnichar)',');
|
|
aFont->mFont.name.Append(aDefaultFont.name);
|
|
}
|
|
}
|
|
else {
|
|
// now set to defaults
|
|
aFont->mFont.name = aDefaultFont.name;
|
|
}
|
|
}
|
|
else if (eCSSUnit_Enumerated == aFontData.mFamily.GetUnit()) {
|
|
nsSystemFontID sysID;
|
|
switch (aFontData.mFamily.GetIntValue()) {
|
|
// If you add fonts to this list, you need to also patch the list
|
|
// in CheckFontCallback (also in this file).
|
|
case NS_STYLE_FONT_CAPTION: sysID = eSystemFont_Caption; break; // css2
|
|
case NS_STYLE_FONT_ICON: sysID = eSystemFont_Icon; break;
|
|
case NS_STYLE_FONT_MENU: sysID = eSystemFont_Menu; break;
|
|
case NS_STYLE_FONT_MESSAGE_BOX: sysID = eSystemFont_MessageBox; break;
|
|
case NS_STYLE_FONT_SMALL_CAPTION: sysID = eSystemFont_SmallCaption; break;
|
|
case NS_STYLE_FONT_STATUS_BAR: sysID = eSystemFont_StatusBar; break;
|
|
case NS_STYLE_FONT_WINDOW: sysID = eSystemFont_Window; break; // css3
|
|
case NS_STYLE_FONT_DOCUMENT: sysID = eSystemFont_Document; break;
|
|
case NS_STYLE_FONT_WORKSPACE: sysID = eSystemFont_Workspace; break;
|
|
case NS_STYLE_FONT_DESKTOP: sysID = eSystemFont_Desktop; break;
|
|
case NS_STYLE_FONT_INFO: sysID = eSystemFont_Info; break;
|
|
case NS_STYLE_FONT_DIALOG: sysID = eSystemFont_Dialog; break;
|
|
case NS_STYLE_FONT_BUTTON: sysID = eSystemFont_Button; break;
|
|
case NS_STYLE_FONT_PULL_DOWN_MENU:sysID = eSystemFont_PullDownMenu; break;
|
|
case NS_STYLE_FONT_LIST: sysID = eSystemFont_List; break;
|
|
case NS_STYLE_FONT_FIELD: sysID = eSystemFont_Field; break;
|
|
}
|
|
|
|
nsCOMPtr<nsIDeviceContext> dc;
|
|
aPresContext->GetDeviceContext(getter_AddRefs(dc));
|
|
if (dc) {
|
|
// GetSystemFont sets the font face but not necessarily the size
|
|
aFont->mFont.size = defaultVariableFont->size;
|
|
if (NS_FAILED(dc->GetSystemFont(sysID, &aFont->mFont))) {
|
|
aFont->mFont.name = defaultVariableFont->name;
|
|
}
|
|
aFont->mSize = aFont->mFont.size; // this becomes our cascading size
|
|
}
|
|
|
|
// XXXldb All of this platform-specific stuff should be in the
|
|
// nsIDeviceContext implementations, not here.
|
|
|
|
#ifdef XP_WIN
|
|
//
|
|
// As far as I can tell the system default fonts and sizes for
|
|
// on MS-Windows for Buttons, Listboxes/Comboxes and Text Fields are
|
|
// all pre-determined and cannot be changed by either the control panel
|
|
// or programmtically.
|
|
//
|
|
switch (sysID) {
|
|
// Fields (text fields)
|
|
// Button and Selects (listboxes/comboboxes)
|
|
// We use whatever font is defined by the system. Which it appears
|
|
// (and the assumption is) it is always a proportional font. Then we
|
|
// always use 2 points smaller than what the browser has defined as
|
|
// the default proportional font.
|
|
case eSystemFont_Field:
|
|
case eSystemFont_Button:
|
|
case eSystemFont_List:
|
|
// Assumption: system defined font is proportional
|
|
aFont->mSize = PR_MAX(defaultVariableFont->size - NSIntPointsToTwips(2), 0);
|
|
break;
|
|
}
|
|
#endif
|
|
}
|
|
else if (eCSSUnit_Inherit == aFontData.mFamily.GetUnit()) {
|
|
aInherited = PR_TRUE;
|
|
aFont->mFont.name = aParentFont->mFont.name;
|
|
}
|
|
else if (eCSSUnit_Initial == aFontData.mFamily.GetUnit()) {
|
|
aFont->mFont.name = aDefaultFont.name;
|
|
}
|
|
|
|
// font-style: enum, normal, inherit
|
|
if (eCSSUnit_Enumerated == aFontData.mStyle.GetUnit()) {
|
|
aFont->mFont.style = aFontData.mStyle.GetIntValue();
|
|
}
|
|
else if (eCSSUnit_Normal == aFontData.mStyle.GetUnit()) {
|
|
aFont->mFont.style = NS_STYLE_FONT_STYLE_NORMAL;
|
|
}
|
|
else if (eCSSUnit_Inherit == aFontData.mStyle.GetUnit()) {
|
|
aInherited = PR_TRUE;
|
|
aFont->mFont.style = aParentFont->mFont.style;
|
|
}
|
|
else if (eCSSUnit_Initial == aFontData.mStyle.GetUnit()) {
|
|
aFont->mFont.style = aDefaultFont.style;
|
|
}
|
|
|
|
// font-variant: enum, normal, inherit
|
|
if (eCSSUnit_Enumerated == aFontData.mVariant.GetUnit()) {
|
|
aFont->mFont.variant = aFontData.mVariant.GetIntValue();
|
|
}
|
|
else if (eCSSUnit_Normal == aFontData.mVariant.GetUnit()) {
|
|
aFont->mFont.variant = NS_STYLE_FONT_VARIANT_NORMAL;
|
|
}
|
|
else if (eCSSUnit_Inherit == aFontData.mVariant.GetUnit()) {
|
|
aInherited = PR_TRUE;
|
|
aFont->mFont.variant = aParentFont->mFont.variant;
|
|
}
|
|
else if (eCSSUnit_Initial == aFontData.mVariant.GetUnit()) {
|
|
aFont->mFont.variant = aDefaultFont.variant;
|
|
}
|
|
|
|
// font-weight: int, enum, normal, inherit
|
|
if (eCSSUnit_Integer == aFontData.mWeight.GetUnit()) {
|
|
aFont->mFont.weight = aFontData.mWeight.GetIntValue();
|
|
}
|
|
else if (eCSSUnit_Enumerated == aFontData.mWeight.GetUnit()) {
|
|
PRInt32 value = aFontData.mWeight.GetIntValue();
|
|
switch (value) {
|
|
case NS_STYLE_FONT_WEIGHT_NORMAL:
|
|
case NS_STYLE_FONT_WEIGHT_BOLD:
|
|
aFont->mFont.weight = value;
|
|
break;
|
|
case NS_STYLE_FONT_WEIGHT_BOLDER:
|
|
case NS_STYLE_FONT_WEIGHT_LIGHTER:
|
|
aInherited = PR_TRUE;
|
|
aFont->mFont.weight = nsStyleUtil::ConstrainFontWeight(aParentFont->mFont.weight + value);
|
|
break;
|
|
}
|
|
}
|
|
else if (eCSSUnit_Normal == aFontData.mWeight.GetUnit()) {
|
|
aFont->mFont.weight = NS_STYLE_FONT_WEIGHT_NORMAL;
|
|
}
|
|
else if (eCSSUnit_Inherit == aFontData.mWeight.GetUnit()) {
|
|
aInherited = PR_TRUE;
|
|
aFont->mFont.weight = aParentFont->mFont.weight;
|
|
}
|
|
else if (eCSSUnit_Initial == aFontData.mWeight.GetUnit()) {
|
|
aFont->mFont.weight = aDefaultFont.weight;
|
|
}
|
|
|
|
// font-size: enum, length, percent, inherit
|
|
PRBool zoom = aZoom;
|
|
if (eCSSUnit_Enumerated == aFontData.mSize.GetUnit()) {
|
|
PRInt32 value = aFontData.mSize.GetIntValue();
|
|
PRInt32 scaler;
|
|
aPresContext->GetFontScaler(&scaler);
|
|
float scaleFactor = nsStyleUtil::GetScalingFactor(scaler);
|
|
|
|
zoom = PR_TRUE;
|
|
if ((NS_STYLE_FONT_SIZE_XXSMALL <= value) &&
|
|
(value <= NS_STYLE_FONT_SIZE_XXLARGE)) {
|
|
aFont->mSize = nsStyleUtil::CalcFontPointSize(value, (PRInt32)aDefaultFont.size, scaleFactor, aPresContext, eFontSize_CSS);
|
|
}
|
|
else if (NS_STYLE_FONT_SIZE_XXXLARGE == value) {
|
|
// <font size="7"> is not specified in CSS, so we don't use eFontSize_CSS.
|
|
aFont->mSize = nsStyleUtil::CalcFontPointSize(value, (PRInt32)aDefaultFont.size, scaleFactor, aPresContext);
|
|
}
|
|
else if (NS_STYLE_FONT_SIZE_LARGER == value ||
|
|
NS_STYLE_FONT_SIZE_SMALLER == value) {
|
|
|
|
aInherited = PR_TRUE;
|
|
|
|
// Un-zoom so we use the tables correctly. We'll then rezoom due
|
|
// to the |zoom = PR_TRUE| above.
|
|
nsCOMPtr<nsIDeviceContext> dc;
|
|
aPresContext->GetDeviceContext(getter_AddRefs(dc));
|
|
float textZoom;
|
|
dc->GetTextZoom(textZoom);
|
|
|
|
nscoord parentSize = nscoord(aParentFont->mSize / textZoom);
|
|
|
|
if (NS_STYLE_FONT_SIZE_LARGER == value) {
|
|
PRInt32 index = nsStyleUtil::FindNextLargerFontSize(parentSize, (PRInt32)aDefaultFont.size, scaleFactor, aPresContext, eFontSize_CSS);
|
|
nscoord largerSize = nsStyleUtil::CalcFontPointSize(index, (PRInt32)aDefaultFont.size, scaleFactor, aPresContext, eFontSize_CSS);
|
|
aFont->mSize = PR_MAX(largerSize, aParentFont->mSize);
|
|
} else {
|
|
PRInt32 index = nsStyleUtil::FindNextSmallerFontSize(parentSize, (PRInt32)aDefaultFont.size, scaleFactor, aPresContext, eFontSize_CSS);
|
|
nscoord smallerSize = nsStyleUtil::CalcFontPointSize(index, (PRInt32)aDefaultFont.size, scaleFactor, aPresContext, eFontSize_CSS);
|
|
aFont->mSize = PR_MIN(smallerSize, aParentFont->mSize);
|
|
}
|
|
} else {
|
|
NS_NOTREACHED("unexpected value");
|
|
}
|
|
}
|
|
else if (aFontData.mSize.IsLengthUnit()) {
|
|
aFont->mSize = CalcLength(aFontData.mSize, &aParentFont->mFont, nsnull, aPresContext, aInherited);
|
|
zoom = aFontData.mSize.IsFixedLengthUnit() ||
|
|
aFontData.mSize.GetUnit() == eCSSUnit_Pixel;
|
|
}
|
|
else if (eCSSUnit_Percent == aFontData.mSize.GetUnit()) {
|
|
aInherited = PR_TRUE;
|
|
aFont->mSize = (nscoord)((float)(aParentFont->mSize) * aFontData.mSize.GetPercentValue());
|
|
zoom = PR_FALSE;
|
|
}
|
|
else if (eCSSUnit_Inherit == aFontData.mSize.GetUnit()) {
|
|
aInherited = PR_TRUE;
|
|
aFont->mSize = aParentFont->mSize;
|
|
zoom = PR_FALSE;
|
|
}
|
|
else if (eCSSUnit_Initial == aFontData.mSize.GetUnit()) {
|
|
aFont->mSize = aDefaultFont.size;
|
|
zoom = PR_TRUE;
|
|
}
|
|
|
|
// We want to zoom the cascaded size so that em-based measurements,
|
|
// line-heights, etc., work.
|
|
if (zoom)
|
|
aFont->mSize = ZoomFont(aPresContext, aFont->mSize);
|
|
|
|
// enforce the user' specified minimum font-size on the value that we expose
|
|
if (aChromeOverride) {
|
|
// the chrome is unconstrained, it always uses our cascading size
|
|
aFont->mFont.size = aFont->mSize;
|
|
}
|
|
else {
|
|
aFont->mFont.size = PR_MAX(aFont->mSize, aMinFontSize);
|
|
}
|
|
|
|
// font-size-adjust: number, none, inherit
|
|
if (eCSSUnit_Number == aFontData.mSizeAdjust.GetUnit()) {
|
|
aFont->mFont.sizeAdjust = aFontData.mSizeAdjust.GetFloatValue();
|
|
}
|
|
else if (eCSSUnit_None == aFontData.mSizeAdjust.GetUnit()) {
|
|
aFont->mFont.sizeAdjust = 0.0f;
|
|
}
|
|
else if (eCSSUnit_Inherit == aFontData.mSizeAdjust.GetUnit()) {
|
|
aInherited = PR_TRUE;
|
|
aFont->mFont.sizeAdjust = aParentFont->mFont.sizeAdjust;
|
|
}
|
|
else if (eCSSUnit_Initial == aFontData.mSizeAdjust.GetUnit()) {
|
|
aFont->mFont.sizeAdjust = 0.0f;
|
|
}
|
|
}
|
|
|
|
// SetGenericFont:
|
|
// - backtrack to an ancestor with the same generic font name (possibly
|
|
// up to the root where default values come from the presentation context)
|
|
// - re-apply cascading rules from there without caching intermediate values
|
|
static void
|
|
SetGenericFont(nsIPresContext* aPresContext, nsIStyleContext* aContext,
|
|
const nsCSSFont& aFontData, PRUint8 aGenericFontID,
|
|
nscoord aMinFontSize, PRBool aUseDocumentFonts,
|
|
PRBool aChromeOverride, nsStyleFont* aFont)
|
|
{
|
|
// walk up the contexts until a context with the desired generic font
|
|
nsAutoVoidArray contextPath;
|
|
nsCOMPtr<nsIStyleContext> higherContext = getter_AddRefs(aContext->GetParent());
|
|
while (higherContext) {
|
|
contextPath.AppendElement(higherContext);
|
|
const nsStyleFont* higherFont = (const nsStyleFont*)higherContext->GetStyleData(eStyleStruct_Font);
|
|
if (higherFont && higherFont->mFlags & aGenericFontID) {
|
|
// done walking up the higher contexts
|
|
break;
|
|
}
|
|
higherContext = getter_AddRefs(higherContext->GetParent());
|
|
}
|
|
|
|
// re-apply the cascading rules, starting from the higher context
|
|
|
|
// If we stopped earlier because we reached the root of the style tree,
|
|
// we will start with the default generic font from the presentation
|
|
// context. Otherwise we start with the higher context.
|
|
const nsFont* defaultFont;
|
|
aPresContext->GetDefaultFont(aGenericFontID, &defaultFont);
|
|
nsStyleFont parentFont(*defaultFont);
|
|
PRInt32 i = contextPath.Count() - 1;
|
|
PRBool zoom = PR_TRUE;
|
|
if (higherContext) {
|
|
nsIStyleContext* context = (nsIStyleContext*)contextPath[i];
|
|
nsStyleFont* tmpFont = (nsStyleFont*)context->GetStyleData(eStyleStruct_Font);
|
|
parentFont.mFlags = tmpFont->mFlags;
|
|
parentFont.mFont = tmpFont->mFont;
|
|
parentFont.mSize = tmpFont->mSize;
|
|
--i;
|
|
zoom = PR_FALSE;
|
|
}
|
|
aFont->mFlags = parentFont.mFlags;
|
|
aFont->mFont = parentFont.mFont;
|
|
aFont->mSize = parentFont.mSize;
|
|
|
|
PRBool dummy;
|
|
PRUint32 noneBits;
|
|
PRUint32 fontBit = nsCachedStyleData::GetBitForSID(eStyleStruct_Font);
|
|
nsRuleNode* ruleNode = nsnull;
|
|
|
|
nsCOMPtr<nsIStyleRule> rule;
|
|
|
|
for (; i >= 0; --i) {
|
|
nsIStyleContext* context = (nsIStyleContext*)contextPath[i];
|
|
nsCSSFont fontData; // Declare a struct with null CSS values.
|
|
nsRuleData ruleData(eStyleStruct_Font, aPresContext, context);
|
|
ruleData.mFontData = &fontData;
|
|
|
|
// Trimmed down version of ::WalkRuleTree() to re-apply the style rules
|
|
context->GetRuleNode(&ruleNode);
|
|
while (ruleNode) {
|
|
ruleNode->GetBits(nsRuleNode::eNoneBits, &noneBits);
|
|
if (noneBits & fontBit) // no more font rules on this branch, get out
|
|
break;
|
|
|
|
ruleNode->GetRule(getter_AddRefs(rule));
|
|
if (rule)
|
|
rule->MapRuleInfoInto(&ruleData);
|
|
|
|
ruleNode = ruleNode->GetParent();
|
|
}
|
|
|
|
// Compute the delta from the information that the rules specified
|
|
fontData.mFamily.Reset(); // avoid unnecessary operations in SetFont()
|
|
|
|
SetFont(aPresContext, context, aMinFontSize,
|
|
aUseDocumentFonts, aChromeOverride, PR_TRUE,
|
|
fontData, *defaultFont, &parentFont, aFont, zoom, dummy);
|
|
|
|
// XXX Not sure if we need to do this here
|
|
// If we have a post-resolve callback, handle that now.
|
|
if (ruleData.mPostResolveCallback)
|
|
(ruleData.mPostResolveCallback)((nsStyleStruct*)aFont, &ruleData);
|
|
|
|
parentFont.mFlags = aFont->mFlags;
|
|
parentFont.mFont = aFont->mFont;
|
|
parentFont.mSize = aFont->mSize;
|
|
zoom = PR_FALSE;
|
|
}
|
|
|
|
// Finish off by applying our own rules. In this case, aFontData
|
|
// already has the current cascading information that we want. We
|
|
// can just compute the delta from the parent.
|
|
SetFont(aPresContext, aContext, aMinFontSize,
|
|
aUseDocumentFonts, aChromeOverride, PR_TRUE,
|
|
aFontData, *defaultFont, &parentFont, aFont, zoom, dummy);
|
|
}
|
|
|
|
const nsStyleStruct*
|
|
nsRuleNode::ComputeFontData(nsStyleStruct* aStartStruct, const nsCSSStruct& aData,
|
|
nsIStyleContext* aContext,
|
|
nsRuleNode* aHighestNode,
|
|
const RuleDetail& aRuleDetail, PRBool aInherited)
|
|
{
|
|
nsCOMPtr<nsIStyleContext> parentContext = getter_AddRefs(aContext->GetParent());
|
|
|
|
const nsCSSFont& fontData = NS_STATIC_CAST(const nsCSSFont&, aData);
|
|
nsStyleFont* font = nsnull;
|
|
const nsStyleFont* parentFont = nsnull;
|
|
PRBool inherited = aInherited;
|
|
|
|
// This optimization is a little weaker here since 'em', etc., for
|
|
// 'font-size' require inheritance.
|
|
if (parentContext &&
|
|
(aRuleDetail != eRuleFullReset ||
|
|
(fontData.mSize.IsRelativeLengthUnit() &&
|
|
fontData.mSize.GetUnit() != eCSSUnit_Pixel) ||
|
|
fontData.mSize.GetUnit() == eCSSUnit_Percent))
|
|
parentFont = NS_STATIC_CAST(const nsStyleFont*,
|
|
parentContext->GetStyleData(eStyleStruct_Font));
|
|
if (aStartStruct)
|
|
// We only need to compute the delta between this computed data and our
|
|
// computed data.
|
|
font = new (mPresContext) nsStyleFont(*NS_STATIC_CAST(nsStyleFont*, aStartStruct));
|
|
else {
|
|
// XXXldb What about eRuleFullInherited? Which path is faster?
|
|
if (aRuleDetail != eRuleFullMixed && aRuleDetail != eRuleFullReset) {
|
|
// No question. We will have to inherit. Go ahead and init
|
|
// with inherited vals from parent.
|
|
inherited = PR_TRUE;
|
|
if (parentFont)
|
|
font = new (mPresContext) nsStyleFont(*parentFont);
|
|
}
|
|
}
|
|
|
|
PRBool zoom = PR_FALSE;
|
|
const nsFont* defaultFont;
|
|
if (!font) {
|
|
mPresContext->GetDefaultFont(kPresContext_DefaultVariableFont_ID, &defaultFont);
|
|
font = new (mPresContext) nsStyleFont(*defaultFont);
|
|
zoom = PR_TRUE;
|
|
}
|
|
if (!parentFont)
|
|
parentFont = font;
|
|
|
|
// See if there is a minimum font-size constraint to honor
|
|
nscoord minimumFontSize = 0; // unconstrained by default
|
|
mPresContext->GetCachedIntPref(kPresContext_MinimumFontSize, minimumFontSize);
|
|
|
|
PRBool chromeOverride = PR_FALSE;
|
|
PRBool useDocumentFonts = PR_TRUE;
|
|
|
|
// Figure out if we are a generic font
|
|
PRUint8 generic = kGenericFont_NONE;
|
|
if (eCSSUnit_String == fontData.mFamily.GetUnit()) {
|
|
fontData.mFamily.GetStringValue(font->mFont.name);
|
|
nsFont::GetGenericID(font->mFont.name, &generic);
|
|
|
|
// MJA: bug 31816
|
|
// if we are not using document fonts, but this is a XUL document,
|
|
// then we set the chromeOverride flag to use the document fonts anyway
|
|
mPresContext->GetCachedBoolPref(kPresContext_UseDocumentFonts, useDocumentFonts);
|
|
if (!useDocumentFonts) {
|
|
// check if the prefs have been disabled for this shell
|
|
// - if prefs are disabled then we use the document fonts anyway (yet another override)
|
|
PRBool prefsEnabled = PR_TRUE;
|
|
nsCOMPtr<nsIPresShell> shell;
|
|
mPresContext->GetShell(getter_AddRefs(shell));
|
|
if (shell)
|
|
shell->ArePrefStyleRulesEnabled(prefsEnabled);
|
|
if (!prefsEnabled)
|
|
useDocumentFonts = PR_TRUE;
|
|
}
|
|
}
|
|
|
|
// See if we are in the chrome
|
|
// We only need to know this to determine if we have to use the
|
|
// document fonts (overriding the useDocumentFonts flag), or to
|
|
// determine if we have to override the minimum font-size constraint.
|
|
if (!useDocumentFonts || minimumFontSize > 0) {
|
|
chromeOverride = IsChrome(mPresContext);
|
|
}
|
|
|
|
// If we don't have to use document fonts, then we are only entitled
|
|
// to use the user's default variable-width font and fixed-width font
|
|
if (!useDocumentFonts && !chromeOverride) {
|
|
if (generic != kGenericFont_moz_fixed)
|
|
generic = kGenericFont_NONE;
|
|
}
|
|
|
|
// Now compute our font struct
|
|
if (generic == kGenericFont_NONE) {
|
|
// continue the normal processing
|
|
// our default font is the most recent generic font
|
|
generic = parentFont->mFlags & NS_STYLE_FONT_FACE_MASK;
|
|
mPresContext->GetDefaultFont(generic, &defaultFont);
|
|
SetFont(mPresContext, aContext, minimumFontSize,
|
|
useDocumentFonts, chromeOverride, PR_FALSE,
|
|
fontData, *defaultFont, parentFont, font, zoom, inherited);
|
|
}
|
|
else {
|
|
// re-calculate the font as a generic font
|
|
inherited = PR_TRUE;
|
|
SetGenericFont(mPresContext, aContext, fontData,
|
|
generic, minimumFontSize, useDocumentFonts,
|
|
chromeOverride, font);
|
|
}
|
|
// Set our generic font's bit to inform our descendants
|
|
font->mFlags &= ~NS_STYLE_FONT_FACE_MASK;
|
|
font->mFlags |= generic;
|
|
|
|
if (inherited)
|
|
// We inherited, and therefore can't be cached in the rule node. We have to be put right on the
|
|
// style context.
|
|
aContext->SetStyle(eStyleStruct_Font, font);
|
|
else {
|
|
// We were fully specified and can therefore be cached right on the rule node.
|
|
if (!aHighestNode->mStyleData.mInheritedData)
|
|
aHighestNode->mStyleData.mInheritedData = new (mPresContext) nsInheritedStyleData;
|
|
aHighestNode->mStyleData.mInheritedData->mFontData = font;
|
|
// Propagate the bit down.
|
|
PropagateDependentBit(NS_STYLE_INHERIT_BIT(Font), aHighestNode);
|
|
}
|
|
|
|
return font;
|
|
}
|
|
|
|
const nsStyleStruct*
|
|
nsRuleNode::ComputeTextData(nsStyleStruct* aStartStruct, const nsCSSStruct& aData,
|
|
nsIStyleContext* aContext,
|
|
nsRuleNode* aHighestNode,
|
|
const RuleDetail& aRuleDetail, PRBool aInherited)
|
|
{
|
|
nsCOMPtr<nsIStyleContext> parentContext = getter_AddRefs(aContext->GetParent());
|
|
|
|
const nsCSSText& textData = NS_STATIC_CAST(const nsCSSText&, aData);
|
|
nsStyleText* text = nsnull;
|
|
const nsStyleText* parentText = nsnull;
|
|
PRBool inherited = aInherited;
|
|
|
|
if (parentContext && aRuleDetail != eRuleFullReset)
|
|
parentText = NS_STATIC_CAST(const nsStyleText*,
|
|
parentContext->GetStyleData(eStyleStruct_Text));
|
|
if (aStartStruct)
|
|
// We only need to compute the delta between this computed data and our
|
|
// computed data.
|
|
text = new (mPresContext) nsStyleText(*NS_STATIC_CAST(nsStyleText*, aStartStruct));
|
|
else {
|
|
// XXXldb What about eRuleFullInherited? Which path is faster?
|
|
if (aRuleDetail != eRuleFullMixed && aRuleDetail != eRuleFullReset) {
|
|
// No question. We will have to inherit. Go ahead and init
|
|
// with inherited vals from parent.
|
|
inherited = PR_TRUE;
|
|
if (parentText)
|
|
text = new (mPresContext) nsStyleText(*parentText);
|
|
}
|
|
}
|
|
|
|
if (!text)
|
|
text = new (mPresContext) nsStyleText();
|
|
if (!parentText)
|
|
parentText = text;
|
|
|
|
// letter-spacing: normal, length, inherit
|
|
SetCoord(textData.mLetterSpacing, text->mLetterSpacing, parentText->mLetterSpacing,
|
|
SETCOORD_LH | SETCOORD_NORMAL, aContext, mPresContext, inherited);
|
|
|
|
// line-height: normal, number, length, percent, inherit
|
|
if (eCSSUnit_Percent == textData.mLineHeight.GetUnit()) {
|
|
aInherited = PR_TRUE;
|
|
const nsStyleFont* font = NS_STATIC_CAST(const nsStyleFont*,
|
|
aContext->GetStyleData(eStyleStruct_Font));
|
|
text->mLineHeight.SetCoordValue((nscoord)((float)(font->mSize) *
|
|
textData.mLineHeight.GetPercentValue()));
|
|
} else {
|
|
SetCoord(textData.mLineHeight, text->mLineHeight, parentText->mLineHeight,
|
|
SETCOORD_LH | SETCOORD_FACTOR | SETCOORD_NORMAL,
|
|
aContext, mPresContext, inherited);
|
|
if (textData.mLineHeight.IsFixedLengthUnit() ||
|
|
textData.mLineHeight.GetUnit() == eCSSUnit_Pixel)
|
|
text->mLineHeight.SetCoordValue(
|
|
ZoomFont(mPresContext, text->mLineHeight.GetCoordValue()));
|
|
}
|
|
|
|
|
|
// text-align: enum, string, inherit
|
|
if (eCSSUnit_Enumerated == textData.mTextAlign.GetUnit()) {
|
|
text->mTextAlign = textData.mTextAlign.GetIntValue();
|
|
}
|
|
else if (eCSSUnit_String == textData.mTextAlign.GetUnit()) {
|
|
NS_NOTYETIMPLEMENTED("align string");
|
|
}
|
|
else if (eCSSUnit_Inherit == textData.mTextAlign.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
text->mTextAlign = parentText->mTextAlign;
|
|
}
|
|
else if (eCSSUnit_Initial == textData.mTextAlign.GetUnit())
|
|
text->mTextAlign = NS_STYLE_TEXT_ALIGN_DEFAULT;
|
|
|
|
// text-indent: length, percent, inherit
|
|
SetCoord(textData.mTextIndent, text->mTextIndent, parentText->mTextIndent,
|
|
SETCOORD_LPH, aContext, mPresContext, inherited);
|
|
|
|
// text-transform: enum, none, inherit
|
|
if (eCSSUnit_Enumerated == textData.mTextTransform.GetUnit()) {
|
|
text->mTextTransform = textData.mTextTransform.GetIntValue();
|
|
}
|
|
else if (eCSSUnit_None == textData.mTextTransform.GetUnit()) {
|
|
text->mTextTransform = NS_STYLE_TEXT_TRANSFORM_NONE;
|
|
}
|
|
else if (eCSSUnit_Inherit == textData.mTextTransform.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
text->mTextTransform = parentText->mTextTransform;
|
|
}
|
|
|
|
// white-space: enum, normal, inherit
|
|
if (eCSSUnit_Enumerated == textData.mWhiteSpace.GetUnit()) {
|
|
text->mWhiteSpace = textData.mWhiteSpace.GetIntValue();
|
|
}
|
|
else if (eCSSUnit_Normal == textData.mWhiteSpace.GetUnit()) {
|
|
text->mWhiteSpace = NS_STYLE_WHITESPACE_NORMAL;
|
|
}
|
|
else if (eCSSUnit_Inherit == textData.mWhiteSpace.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
text->mWhiteSpace = parentText->mWhiteSpace;
|
|
}
|
|
|
|
// word-spacing: normal, length, inherit
|
|
SetCoord(textData.mWordSpacing, text->mWordSpacing, parentText->mWordSpacing,
|
|
SETCOORD_LH | SETCOORD_NORMAL, aContext, mPresContext, inherited);
|
|
|
|
if (inherited)
|
|
// We inherited, and therefore can't be cached in the rule node. We have to be put right on the
|
|
// style context.
|
|
aContext->SetStyle(eStyleStruct_Text, text);
|
|
else {
|
|
// We were fully specified and can therefore be cached right on the rule node.
|
|
if (!aHighestNode->mStyleData.mInheritedData)
|
|
aHighestNode->mStyleData.mInheritedData = new (mPresContext) nsInheritedStyleData;
|
|
aHighestNode->mStyleData.mInheritedData->mTextData = text;
|
|
// Propagate the bit down.
|
|
PropagateDependentBit(NS_STYLE_INHERIT_BIT(Text), aHighestNode);
|
|
}
|
|
|
|
return text;
|
|
}
|
|
|
|
const nsStyleStruct*
|
|
nsRuleNode::ComputeTextResetData(nsStyleStruct* aStartData, const nsCSSStruct& aData,
|
|
nsIStyleContext* aContext,
|
|
nsRuleNode* aHighestNode,
|
|
const RuleDetail& aRuleDetail, PRBool aInherited)
|
|
{
|
|
nsCOMPtr<nsIStyleContext> parentContext = getter_AddRefs(aContext->GetParent());
|
|
|
|
const nsCSSText& textData = NS_STATIC_CAST(const nsCSSText&, aData);
|
|
nsStyleTextReset* text;
|
|
if (aStartData)
|
|
// We only need to compute the delta between this computed data and our
|
|
// computed data.
|
|
text = new (mPresContext) nsStyleTextReset(*NS_STATIC_CAST(nsStyleTextReset*, aStartData));
|
|
else
|
|
text = new (mPresContext) nsStyleTextReset();
|
|
nsStyleTextReset* parentText = text;
|
|
|
|
if (parentContext &&
|
|
aRuleDetail != eRuleFullReset &&
|
|
aRuleDetail != eRulePartialReset &&
|
|
aRuleDetail != eRuleNone)
|
|
parentText = (nsStyleTextReset*)parentContext->GetStyleData(eStyleStruct_TextReset);
|
|
PRBool inherited = aInherited;
|
|
|
|
// vertical-align: enum, length, percent, inherit
|
|
SetCoord(textData.mVerticalAlign, text->mVerticalAlign, parentText->mVerticalAlign,
|
|
SETCOORD_LPH | SETCOORD_ENUMERATED, aContext, mPresContext, inherited);
|
|
|
|
// text-decoration: none, enum (bit field), inherit
|
|
if (eCSSUnit_Enumerated == textData.mDecoration.GetUnit()) {
|
|
PRInt32 td = textData.mDecoration.GetIntValue();
|
|
text->mTextDecoration = td;
|
|
if (td & NS_STYLE_TEXT_DECORATION_PREF_ANCHORS) {
|
|
PRBool underlineLinks = PR_TRUE;
|
|
nsresult res = mPresContext->GetCachedBoolPref(kPresContext_UnderlineLinks, underlineLinks);
|
|
if (NS_SUCCEEDED(res)) {
|
|
if (underlineLinks) {
|
|
text->mTextDecoration |= NS_STYLE_TEXT_DECORATION_UNDERLINE;
|
|
}
|
|
else {
|
|
text->mTextDecoration &= ~NS_STYLE_TEXT_DECORATION_UNDERLINE;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else if (eCSSUnit_None == textData.mDecoration.GetUnit()) {
|
|
text->mTextDecoration = NS_STYLE_TEXT_DECORATION_NONE;
|
|
}
|
|
else if (eCSSUnit_Inherit == textData.mDecoration.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
text->mTextDecoration = parentText->mTextDecoration;
|
|
}
|
|
|
|
#ifdef IBMBIDI
|
|
// unicode-bidi: enum, normal, inherit
|
|
if (eCSSUnit_Normal == textData.mUnicodeBidi.GetUnit() ) {
|
|
text->mUnicodeBidi = NS_STYLE_UNICODE_BIDI_NORMAL;
|
|
}
|
|
else if (eCSSUnit_Enumerated == textData.mUnicodeBidi.GetUnit() ) {
|
|
text->mUnicodeBidi = textData.mUnicodeBidi.GetIntValue();
|
|
}
|
|
else if (eCSSUnit_Inherit == textData.mUnicodeBidi.GetUnit() ) {
|
|
inherited = PR_TRUE;
|
|
text->mUnicodeBidi = parentText->mUnicodeBidi;
|
|
}
|
|
#endif // IBMBIDI
|
|
|
|
if (inherited)
|
|
// We inherited, and therefore can't be cached in the rule node. We have to be put right on the
|
|
// style context.
|
|
aContext->SetStyle(eStyleStruct_TextReset, text);
|
|
else {
|
|
// We were fully specified and can therefore be cached right on the rule node.
|
|
if (!aHighestNode->mStyleData.mResetData)
|
|
aHighestNode->mStyleData.mResetData = new (mPresContext) nsResetStyleData;
|
|
aHighestNode->mStyleData.mResetData->mTextResetData = text;
|
|
// Propagate the bit down.
|
|
PropagateDependentBit(NS_STYLE_INHERIT_BIT(TextReset), aHighestNode);
|
|
}
|
|
|
|
return text;
|
|
}
|
|
|
|
const nsStyleStruct*
|
|
nsRuleNode::ComputeUserInterfaceData(nsStyleStruct* aStartData,
|
|
const nsCSSStruct& aData,
|
|
nsIStyleContext* aContext,
|
|
nsRuleNode* aHighestNode,
|
|
const RuleDetail& aRuleDetail,
|
|
PRBool aInherited)
|
|
{
|
|
nsCOMPtr<nsIStyleContext> parentContext = getter_AddRefs(aContext->GetParent());
|
|
|
|
const nsCSSUserInterface& uiData = NS_STATIC_CAST(const nsCSSUserInterface&, aData);
|
|
nsStyleUserInterface* ui = nsnull;
|
|
const nsStyleUserInterface* parentUI = nsnull;
|
|
PRBool inherited = aInherited;
|
|
|
|
if (parentContext && aRuleDetail != eRuleFullReset)
|
|
parentUI = NS_STATIC_CAST(const nsStyleUserInterface*,
|
|
parentContext->GetStyleData(eStyleStruct_UserInterface));
|
|
if (aStartData)
|
|
// We only need to compute the delta between this computed data and our
|
|
// computed data.
|
|
ui = new (mPresContext) nsStyleUserInterface(*NS_STATIC_CAST(nsStyleUserInterface*, aStartData));
|
|
else {
|
|
// XXXldb What about eRuleFullInherited? Which path is faster?
|
|
if (aRuleDetail != eRuleFullMixed && aRuleDetail != eRuleFullReset) {
|
|
// No question. We will have to inherit. Go ahead and init
|
|
// with inherited vals from parent.
|
|
inherited = PR_TRUE;
|
|
if (parentUI)
|
|
ui = new (mPresContext) nsStyleUserInterface(*parentUI);
|
|
}
|
|
}
|
|
|
|
if (!ui)
|
|
ui = new (mPresContext) nsStyleUserInterface();
|
|
if (!parentUI)
|
|
parentUI = ui;
|
|
|
|
// cursor: enum, auto, url, inherit
|
|
nsCSSValueList* list = uiData.mCursor;
|
|
if (nsnull != list) {
|
|
// XXX need to deal with multiple URL values
|
|
if (eCSSUnit_Enumerated == list->mValue.GetUnit()) {
|
|
ui->mCursor = list->mValue.GetIntValue();
|
|
}
|
|
else if (eCSSUnit_Auto == list->mValue.GetUnit()) {
|
|
ui->mCursor = NS_STYLE_CURSOR_AUTO;
|
|
}
|
|
else if (eCSSUnit_URL == list->mValue.GetUnit()) {
|
|
list->mValue.GetStringValue(ui->mCursorImage);
|
|
}
|
|
else if (eCSSUnit_Inherit == list->mValue.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
ui->mCursor = parentUI->mCursor;
|
|
}
|
|
}
|
|
|
|
// user-input: auto, none, enum, inherit
|
|
if (eCSSUnit_Enumerated == uiData.mUserInput.GetUnit()) {
|
|
ui->mUserInput = uiData.mUserInput.GetIntValue();
|
|
}
|
|
else if (eCSSUnit_Auto == uiData.mUserInput.GetUnit()) {
|
|
ui->mUserInput = NS_STYLE_USER_INPUT_AUTO;
|
|
}
|
|
else if (eCSSUnit_None == uiData.mUserInput.GetUnit()) {
|
|
ui->mUserInput = NS_STYLE_USER_INPUT_NONE;
|
|
}
|
|
else if (eCSSUnit_Inherit == uiData.mUserInput.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
ui->mUserInput = parentUI->mUserInput;
|
|
}
|
|
|
|
// user-modify: enum, inherit
|
|
if (eCSSUnit_Enumerated == uiData.mUserModify.GetUnit()) {
|
|
ui->mUserModify = uiData.mUserModify.GetIntValue();
|
|
}
|
|
else if (eCSSUnit_Inherit == uiData.mUserModify.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
ui->mUserModify = parentUI->mUserModify;
|
|
}
|
|
|
|
// user-focus: none, normal, enum, inherit
|
|
if (eCSSUnit_Enumerated == uiData.mUserFocus.GetUnit()) {
|
|
ui->mUserFocus = uiData.mUserFocus.GetIntValue();
|
|
}
|
|
else if (eCSSUnit_None == uiData.mUserFocus.GetUnit()) {
|
|
ui->mUserFocus = NS_STYLE_USER_FOCUS_NONE;
|
|
}
|
|
else if (eCSSUnit_Normal == uiData.mUserFocus.GetUnit()) {
|
|
ui->mUserFocus = NS_STYLE_USER_FOCUS_NORMAL;
|
|
}
|
|
else if (eCSSUnit_Inherit == uiData.mUserFocus.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
ui->mUserFocus = parentUI->mUserFocus;
|
|
}
|
|
|
|
if (inherited)
|
|
// We inherited, and therefore can't be cached in the rule node. We have to be put right on the
|
|
// style context.
|
|
aContext->SetStyle(eStyleStruct_UserInterface, ui);
|
|
else {
|
|
// We were fully specified and can therefore be cached right on the rule node.
|
|
if (!aHighestNode->mStyleData.mInheritedData)
|
|
aHighestNode->mStyleData.mInheritedData = new (mPresContext) nsInheritedStyleData;
|
|
aHighestNode->mStyleData.mInheritedData->mUserInterfaceData = ui;
|
|
// Propagate the bit down.
|
|
PropagateDependentBit(NS_STYLE_INHERIT_BIT(UserInterface), aHighestNode);
|
|
}
|
|
|
|
return ui;
|
|
}
|
|
|
|
const nsStyleStruct*
|
|
nsRuleNode::ComputeUIResetData(nsStyleStruct* aStartData, const nsCSSStruct& aData,
|
|
nsIStyleContext* aContext,
|
|
nsRuleNode* aHighestNode,
|
|
const RuleDetail& aRuleDetail, PRBool aInherited)
|
|
{
|
|
nsCOMPtr<nsIStyleContext> parentContext = getter_AddRefs(aContext->GetParent());
|
|
|
|
const nsCSSUserInterface& uiData = NS_STATIC_CAST(const nsCSSUserInterface&, aData);
|
|
nsStyleUIReset* ui;
|
|
if (aStartData)
|
|
// We only need to compute the delta between this computed data and our
|
|
// computed data.
|
|
ui = new (mPresContext) nsStyleUIReset(*NS_STATIC_CAST(nsStyleUIReset*, aStartData));
|
|
else
|
|
ui = new (mPresContext) nsStyleUIReset();
|
|
const nsStyleUIReset* parentUI = ui;
|
|
|
|
if (parentContext &&
|
|
aRuleDetail != eRuleFullReset &&
|
|
aRuleDetail != eRulePartialReset &&
|
|
aRuleDetail != eRuleNone)
|
|
parentUI = NS_STATIC_CAST(const nsStyleUIReset*,
|
|
parentContext->GetStyleData(eStyleStruct_UIReset));
|
|
PRBool inherited = aInherited;
|
|
|
|
// user-select: none, enum, inherit
|
|
if (eCSSUnit_Enumerated == uiData.mUserSelect.GetUnit()) {
|
|
ui->mUserSelect = uiData.mUserSelect.GetIntValue();
|
|
}
|
|
else if (eCSSUnit_None == uiData.mUserSelect.GetUnit()) {
|
|
ui->mUserSelect = NS_STYLE_USER_SELECT_NONE;
|
|
}
|
|
else if (eCSSUnit_Inherit == uiData.mUserSelect.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
ui->mUserSelect = parentUI->mUserSelect;
|
|
}
|
|
|
|
// key-equivalent: none, enum XXX, inherit
|
|
nsCSSValueList* keyEquiv = uiData.mKeyEquivalent;
|
|
if (keyEquiv) {
|
|
// XXX need to deal with multiple values
|
|
if (eCSSUnit_Enumerated == keyEquiv->mValue.GetUnit()) {
|
|
ui->mKeyEquivalent = PRUnichar(0); // XXX To be implemented
|
|
}
|
|
else if (eCSSUnit_None == keyEquiv->mValue.GetUnit()) {
|
|
ui->mKeyEquivalent = PRUnichar(0);
|
|
}
|
|
else if (eCSSUnit_Inherit == keyEquiv->mValue.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
ui->mKeyEquivalent = parentUI->mKeyEquivalent;
|
|
}
|
|
}
|
|
// resizer: auto, none, enum, inherit
|
|
if (eCSSUnit_Enumerated == uiData.mResizer.GetUnit()) {
|
|
ui->mResizer = uiData.mResizer.GetIntValue();
|
|
}
|
|
else if (eCSSUnit_Auto == uiData.mResizer.GetUnit()) {
|
|
ui->mResizer = NS_STYLE_RESIZER_AUTO;
|
|
}
|
|
else if (eCSSUnit_None == uiData.mResizer.GetUnit()) {
|
|
ui->mResizer = NS_STYLE_RESIZER_NONE;
|
|
}
|
|
else if (eCSSUnit_Inherit == uiData.mResizer.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
ui->mResizer = parentUI->mResizer;
|
|
}
|
|
|
|
// force-broken-image-icons: integer
|
|
if (eCSSUnit_Integer == uiData.mForceBrokenImageIcon.GetUnit()) {
|
|
ui->mForceBrokenImageIcon = uiData.mForceBrokenImageIcon.GetIntValue();
|
|
}
|
|
|
|
if (inherited)
|
|
// We inherited, and therefore can't be cached in the rule node. We have to be put right on the
|
|
// style context.
|
|
aContext->SetStyle(eStyleStruct_UIReset, ui);
|
|
else {
|
|
// We were fully specified and can therefore be cached right on the rule node.
|
|
if (!aHighestNode->mStyleData.mResetData)
|
|
aHighestNode->mStyleData.mResetData = new (mPresContext) nsResetStyleData;
|
|
aHighestNode->mStyleData.mResetData->mUIResetData = ui;
|
|
// Propagate the bit down.
|
|
PropagateDependentBit(NS_STYLE_INHERIT_BIT(UIReset), aHighestNode);
|
|
}
|
|
|
|
return ui;
|
|
}
|
|
|
|
const nsStyleStruct*
|
|
nsRuleNode::ComputeDisplayData(nsStyleStruct* aStartStruct, const nsCSSStruct& aData,
|
|
nsIStyleContext* aContext,
|
|
nsRuleNode* aHighestNode,
|
|
const RuleDetail& aRuleDetail, PRBool aInherited)
|
|
{
|
|
nsCOMPtr<nsIStyleContext> parentContext = getter_AddRefs(aContext->GetParent());
|
|
|
|
const nsCSSDisplay& displayData = NS_STATIC_CAST(const nsCSSDisplay&, aData);
|
|
nsStyleDisplay* display;
|
|
if (aStartStruct)
|
|
// We only need to compute the delta between this computed data and our
|
|
// computed data.
|
|
display = new (mPresContext) nsStyleDisplay(*NS_STATIC_CAST(nsStyleDisplay*, aStartStruct));
|
|
else
|
|
display = new (mPresContext) nsStyleDisplay();
|
|
const nsStyleDisplay* parentDisplay = display;
|
|
|
|
nsCOMPtr<nsIAtom> pseudoTag;
|
|
aContext->GetPseudoType(*getter_AddRefs(pseudoTag));
|
|
PRBool generatedContent = (pseudoTag == nsCSSAtoms::beforePseudo ||
|
|
pseudoTag == nsCSSAtoms::afterPseudo);
|
|
|
|
if (parentContext &&
|
|
((aRuleDetail != eRuleFullReset &&
|
|
aRuleDetail != eRulePartialReset &&
|
|
aRuleDetail != eRuleNone) ||
|
|
generatedContent))
|
|
parentDisplay = NS_STATIC_CAST(const nsStyleDisplay*,
|
|
parentContext->GetStyleData(eStyleStruct_Display));
|
|
PRBool inherited = aInherited;
|
|
|
|
// display: enum, none, inherit
|
|
if (eCSSUnit_Enumerated == displayData.mDisplay.GetUnit()) {
|
|
display->mDisplay = displayData.mDisplay.GetIntValue();
|
|
}
|
|
else if (eCSSUnit_None == displayData.mDisplay.GetUnit()) {
|
|
display->mDisplay = NS_STYLE_DISPLAY_NONE;
|
|
}
|
|
else if (eCSSUnit_Inherit == displayData.mDisplay.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
display->mDisplay = parentDisplay->mDisplay;
|
|
}
|
|
|
|
// appearance: enum, none, inherit
|
|
if (eCSSUnit_Enumerated == displayData.mAppearance.GetUnit()) {
|
|
display->mAppearance = displayData.mAppearance.GetIntValue();
|
|
}
|
|
else if (eCSSUnit_None == displayData.mAppearance.GetUnit()) {
|
|
display->mAppearance = NS_THEME_NONE;
|
|
}
|
|
else if (eCSSUnit_Inherit == displayData.mAppearance.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
display->mAppearance = parentDisplay->mAppearance;
|
|
}
|
|
|
|
// binding: url, none, inherit
|
|
if (eCSSUnit_URL == displayData.mBinding.GetUnit()) {
|
|
displayData.mBinding.GetStringValue(display->mBinding);
|
|
}
|
|
else if (eCSSUnit_None == displayData.mBinding.GetUnit()) {
|
|
display->mBinding.Truncate();
|
|
}
|
|
else if (eCSSUnit_Inherit == displayData.mBinding.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
display->mBinding = parentDisplay->mBinding;
|
|
}
|
|
|
|
// position: enum, inherit
|
|
if (eCSSUnit_Enumerated == displayData.mPosition.GetUnit()) {
|
|
display->mPosition = displayData.mPosition.GetIntValue();
|
|
}
|
|
else if (eCSSUnit_Inherit == displayData.mPosition.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
display->mPosition = parentDisplay->mPosition;
|
|
}
|
|
|
|
// clear: enum, none, inherit
|
|
if (eCSSUnit_Enumerated == displayData.mClear.GetUnit()) {
|
|
display->mBreakType = displayData.mClear.GetIntValue();
|
|
}
|
|
else if (eCSSUnit_None == displayData.mClear.GetUnit()) {
|
|
display->mBreakType = NS_STYLE_CLEAR_NONE;
|
|
}
|
|
else if (eCSSUnit_Inherit == displayData.mClear.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
display->mBreakType = parentDisplay->mBreakType;
|
|
}
|
|
|
|
// temp fix for bug 24000
|
|
if (eCSSUnit_Enumerated == displayData.mBreakBefore.GetUnit()) {
|
|
display->mBreakBefore = (NS_STYLE_PAGE_BREAK_ALWAYS == displayData.mBreakBefore.GetIntValue());
|
|
}
|
|
if (eCSSUnit_Enumerated == displayData.mBreakAfter.GetUnit()) {
|
|
display->mBreakAfter = (NS_STYLE_PAGE_BREAK_ALWAYS == displayData.mBreakAfter.GetIntValue());
|
|
}
|
|
// end temp fix
|
|
|
|
// float: enum, none, inherit
|
|
if (eCSSUnit_Enumerated == displayData.mFloat.GetUnit()) {
|
|
display->mFloats = displayData.mFloat.GetIntValue();
|
|
}
|
|
else if (eCSSUnit_None == displayData.mFloat.GetUnit()) {
|
|
display->mFloats = NS_STYLE_FLOAT_NONE;
|
|
}
|
|
else if (eCSSUnit_Inherit == displayData.mFloat.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
display->mFloats = parentDisplay->mFloats;
|
|
}
|
|
|
|
// overflow: enum, auto, inherit
|
|
if (eCSSUnit_Enumerated == displayData.mOverflow.GetUnit()) {
|
|
display->mOverflow = displayData.mOverflow.GetIntValue();
|
|
}
|
|
else if (eCSSUnit_Auto == displayData.mOverflow.GetUnit()) {
|
|
display->mOverflow = NS_STYLE_OVERFLOW_AUTO;
|
|
}
|
|
else if (eCSSUnit_Inherit == displayData.mOverflow.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
display->mOverflow = parentDisplay->mOverflow;
|
|
}
|
|
|
|
// clip property: length, auto, inherit
|
|
if (nsnull != displayData.mClip) {
|
|
if (eCSSUnit_Inherit == displayData.mClip->mTop.GetUnit()) { // if one is inherit, they all are
|
|
inherited = PR_TRUE;
|
|
display->mClipFlags = parentDisplay->mClipFlags;
|
|
display->mClip = parentDisplay->mClip;
|
|
}
|
|
else {
|
|
PRBool fullAuto = PR_TRUE;
|
|
|
|
display->mClipFlags = 0; // clear it
|
|
|
|
if (eCSSUnit_Auto == displayData.mClip->mTop.GetUnit()) {
|
|
display->mClip.y = 0;
|
|
display->mClipFlags |= NS_STYLE_CLIP_TOP_AUTO;
|
|
}
|
|
else if (displayData.mClip->mTop.IsLengthUnit()) {
|
|
display->mClip.y = CalcLength(displayData.mClip->mTop, nsnull, aContext, mPresContext, inherited);
|
|
fullAuto = PR_FALSE;
|
|
}
|
|
if (eCSSUnit_Auto == displayData.mClip->mBottom.GetUnit()) {
|
|
display->mClip.height = 0;
|
|
display->mClipFlags |= NS_STYLE_CLIP_BOTTOM_AUTO;
|
|
}
|
|
else if (displayData.mClip->mBottom.IsLengthUnit()) {
|
|
display->mClip.height = CalcLength(displayData.mClip->mBottom, nsnull, aContext, mPresContext, inherited) -
|
|
display->mClip.y;
|
|
fullAuto = PR_FALSE;
|
|
}
|
|
if (eCSSUnit_Auto == displayData.mClip->mLeft.GetUnit()) {
|
|
display->mClip.x = 0;
|
|
display->mClipFlags |= NS_STYLE_CLIP_LEFT_AUTO;
|
|
}
|
|
else if (displayData.mClip->mLeft.IsLengthUnit()) {
|
|
display->mClip.x = CalcLength(displayData.mClip->mLeft, nsnull, aContext, mPresContext, inherited);
|
|
fullAuto = PR_FALSE;
|
|
}
|
|
if (eCSSUnit_Auto == displayData.mClip->mRight.GetUnit()) {
|
|
display->mClip.width = 0;
|
|
display->mClipFlags |= NS_STYLE_CLIP_RIGHT_AUTO;
|
|
}
|
|
else if (displayData.mClip->mRight.IsLengthUnit()) {
|
|
display->mClip.width = CalcLength(displayData.mClip->mRight, nsnull, aContext, mPresContext, inherited) -
|
|
display->mClip.x;
|
|
fullAuto = PR_FALSE;
|
|
}
|
|
display->mClipFlags &= ~NS_STYLE_CLIP_TYPE_MASK;
|
|
if (fullAuto) {
|
|
display->mClipFlags |= NS_STYLE_CLIP_AUTO;
|
|
}
|
|
else {
|
|
display->mClipFlags |= NS_STYLE_CLIP_RECT;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (inherited)
|
|
// We inherited, and therefore can't be cached in the rule node. We have to be put right on the
|
|
// style context.
|
|
aContext->SetStyle(eStyleStruct_Display, display);
|
|
else {
|
|
// We were fully specified and can therefore be cached right on the rule node.
|
|
if (!aHighestNode->mStyleData.mResetData)
|
|
aHighestNode->mStyleData.mResetData = new (mPresContext) nsResetStyleData;
|
|
aHighestNode->mStyleData.mResetData->mDisplayData = display;
|
|
// Propagate the bit down.
|
|
PropagateDependentBit(NS_STYLE_INHERIT_BIT(Display), aHighestNode);
|
|
}
|
|
|
|
// CSS2 specified fixups:
|
|
if (generatedContent) {
|
|
// According to CSS2 section 12.1, :before and :after
|
|
// pseudo-elements must not be positioned or floated (CSS2 12.1) and
|
|
// must be limited to certain display types (depending on the
|
|
// display type of the element to which they are attached).
|
|
|
|
if (display->mPosition != NS_STYLE_POSITION_STATIC)
|
|
display->mPosition = NS_STYLE_POSITION_STATIC;
|
|
if (display->mFloats != NS_STYLE_FLOAT_NONE)
|
|
display->mFloats = NS_STYLE_FLOAT_NONE;
|
|
|
|
PRUint8 displayValue = display->mDisplay;
|
|
if (displayValue != NS_STYLE_DISPLAY_NONE &&
|
|
displayValue != NS_STYLE_DISPLAY_INLINE) {
|
|
if (parentDisplay->IsBlockLevel()) {
|
|
// If the subject of the selector is a block-level element,
|
|
// allowed values are 'none', 'inline', 'block', and 'marker'.
|
|
// If the value of the 'display' has any other value, the
|
|
// pseudo-element will behave as if the value were 'block'.
|
|
if (displayValue != NS_STYLE_DISPLAY_BLOCK &&
|
|
displayValue != NS_STYLE_DISPLAY_MARKER)
|
|
display->mDisplay = NS_STYLE_DISPLAY_BLOCK;
|
|
} else {
|
|
// If the subject of the selector is an inline-level element,
|
|
// allowed values are 'none' and 'inline'. If the value of the
|
|
// 'display' has any other value, the pseudo-element will behave
|
|
// as if the value were 'inline'.
|
|
display->mDisplay = NS_STYLE_DISPLAY_INLINE;
|
|
}
|
|
}
|
|
} else if (display->mDisplay != NS_STYLE_DISPLAY_NONE) {
|
|
// CSS2 9.7 specifies display type corrections dealing with 'float'
|
|
// and 'position'. Since generated content can't be floated or
|
|
// positioned, we can deal with it here.
|
|
|
|
// 1) if float is not none, and display is not none, then we must
|
|
// set display to block
|
|
// XXX - there are problems with following the spec here: what we
|
|
// will do instead of following the letter of the spec is
|
|
// to make sure that floated elements are some kind of
|
|
// block, not strictly 'block' - see EnsureBlockDisplay
|
|
// method
|
|
if (display->mFloats != NS_STYLE_FLOAT_NONE)
|
|
EnsureBlockDisplay(display->mDisplay);
|
|
|
|
// 2) if position is 'absolute' or 'fixed' then display must be
|
|
// 'block and float must be 'none'
|
|
// XXX - see note for fixup 1) above...
|
|
if (display->IsAbsolutelyPositioned()) {
|
|
// Backup original display value for calculation of a hypothetical
|
|
// box (CSS2 10.6.4/10.6.5).
|
|
// See nsHTMLReflowState::CalculateHypotheticalBox
|
|
display->mOriginalDisplay = display->mDisplay;
|
|
EnsureBlockDisplay(display->mDisplay);
|
|
display->mFloats = NS_STYLE_FLOAT_NONE;
|
|
}
|
|
}
|
|
|
|
return display;
|
|
}
|
|
|
|
const nsStyleStruct*
|
|
nsRuleNode::ComputeVisibilityData(nsStyleStruct* aStartStruct, const nsCSSStruct& aData,
|
|
nsIStyleContext* aContext,
|
|
nsRuleNode* aHighestNode,
|
|
const RuleDetail& aRuleDetail, PRBool aInherited)
|
|
{
|
|
nsCOMPtr<nsIStyleContext> parentContext = getter_AddRefs(aContext->GetParent());
|
|
|
|
const nsCSSDisplay& displayData = NS_STATIC_CAST(const nsCSSDisplay&, aData);
|
|
nsStyleVisibility* visibility = nsnull;
|
|
const nsStyleVisibility* parentVisibility = nsnull;
|
|
PRBool inherited = aInherited;
|
|
|
|
if (parentContext && aRuleDetail != eRuleFullReset)
|
|
parentVisibility = NS_STATIC_CAST(const nsStyleVisibility*,
|
|
parentContext->GetStyleData(eStyleStruct_Visibility));
|
|
if (aStartStruct)
|
|
// We only need to compute the delta between this computed data and our
|
|
// computed data.
|
|
visibility = new (mPresContext) nsStyleVisibility(*NS_STATIC_CAST(nsStyleVisibility*, aStartStruct));
|
|
else {
|
|
// XXXldb What about eRuleFullInherited? Which path is faster?
|
|
if (aRuleDetail != eRuleFullMixed && aRuleDetail != eRuleFullReset) {
|
|
// No question. We will have to inherit. Go ahead and init
|
|
// with inherited vals from parent.
|
|
inherited = PR_TRUE;
|
|
if (parentVisibility)
|
|
visibility = new (mPresContext) nsStyleVisibility(*parentVisibility);
|
|
}
|
|
}
|
|
|
|
if (!visibility)
|
|
visibility = new (mPresContext) nsStyleVisibility(mPresContext);
|
|
if (!parentVisibility)
|
|
parentVisibility = visibility;
|
|
|
|
// opacity: factor, percent, inherit
|
|
if (eCSSUnit_Percent == displayData.mOpacity.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
float opacity = parentVisibility->mOpacity * displayData.mOpacity.GetPercentValue();
|
|
if (opacity < 0.0f) {
|
|
visibility->mOpacity = 0.0f;
|
|
} else if (1.0 < opacity) {
|
|
visibility->mOpacity = 1.0f;
|
|
}
|
|
else {
|
|
visibility->mOpacity = opacity;
|
|
}
|
|
}
|
|
else if (eCSSUnit_Number == displayData.mOpacity.GetUnit()) {
|
|
visibility->mOpacity = displayData.mOpacity.GetFloatValue();
|
|
}
|
|
else if (eCSSUnit_Inherit == displayData.mOpacity.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
visibility->mOpacity = parentVisibility->mOpacity;
|
|
}
|
|
|
|
// direction: enum, inherit
|
|
if (eCSSUnit_Enumerated == displayData.mDirection.GetUnit()) {
|
|
visibility->mDirection = displayData.mDirection.GetIntValue();
|
|
#ifdef IBMBIDI
|
|
if (NS_STYLE_DIRECTION_RTL == visibility->mDirection)
|
|
mPresContext->SetBidiEnabled(PR_TRUE);
|
|
#endif // IBMBIDI
|
|
}
|
|
else if (eCSSUnit_Inherit == displayData.mDirection.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
visibility->mDirection = parentVisibility->mDirection;
|
|
}
|
|
|
|
// visibility: enum, inherit
|
|
if (eCSSUnit_Enumerated == displayData.mVisibility.GetUnit()) {
|
|
visibility->mVisible = displayData.mVisibility.GetIntValue();
|
|
}
|
|
else if (eCSSUnit_Inherit == displayData.mVisibility.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
visibility->mVisible = parentVisibility->mVisible;
|
|
}
|
|
|
|
// lang: string, inherit
|
|
// this is not a real CSS property, it is a html attribute mapped to CSS struture
|
|
if (eCSSUnit_String == displayData.mLang.GetUnit()) {
|
|
if (!gLangService) {
|
|
CallGetService(NS_LANGUAGEATOMSERVICE_CONTRACTID, &gLangService);
|
|
}
|
|
|
|
if (gLangService) {
|
|
nsAutoString lang;
|
|
displayData.mLang.GetStringValue(lang);
|
|
gLangService->LookupLanguage(lang.get(),
|
|
getter_AddRefs(visibility->mLanguage));
|
|
}
|
|
}
|
|
|
|
if (inherited)
|
|
// We inherited, and therefore can't be cached in the rule node. We have to be put right on the
|
|
// style context.
|
|
aContext->SetStyle(eStyleStruct_Visibility, visibility);
|
|
else {
|
|
// We were fully specified and can therefore be cached right on the rule node.
|
|
if (!aHighestNode->mStyleData.mInheritedData)
|
|
aHighestNode->mStyleData.mInheritedData = new (mPresContext) nsInheritedStyleData;
|
|
aHighestNode->mStyleData.mInheritedData->mVisibilityData = visibility;
|
|
// Propagate the bit down.
|
|
PropagateDependentBit(NS_STYLE_INHERIT_BIT(Visibility), aHighestNode);
|
|
}
|
|
|
|
return visibility;
|
|
}
|
|
|
|
const nsStyleStruct*
|
|
nsRuleNode::ComputeColorData(nsStyleStruct* aStartStruct, const nsCSSStruct& aData,
|
|
nsIStyleContext* aContext,
|
|
nsRuleNode* aHighestNode,
|
|
const RuleDetail& aRuleDetail, PRBool aInherited)
|
|
{
|
|
nsCOMPtr<nsIStyleContext> parentContext = getter_AddRefs(aContext->GetParent());
|
|
|
|
const nsCSSColor& colorData = NS_STATIC_CAST(const nsCSSColor&, aData);
|
|
nsStyleColor* color = nsnull;
|
|
const nsStyleColor* parentColor = nsnull;
|
|
PRBool inherited = aInherited;
|
|
|
|
if (parentContext && aRuleDetail != eRuleFullReset)
|
|
parentColor = NS_STATIC_CAST(const nsStyleColor*,
|
|
parentContext->GetStyleData(eStyleStruct_Color));
|
|
if (aStartStruct)
|
|
// We only need to compute the delta between this computed data and our
|
|
// computed data.
|
|
color = new (mPresContext) nsStyleColor(*NS_STATIC_CAST(nsStyleColor*, aStartStruct));
|
|
else {
|
|
// XXXldb What about eRuleFullInherited? Which path is faster?
|
|
if (aRuleDetail != eRuleFullMixed && aRuleDetail != eRuleFullReset) {
|
|
// No question. We will have to inherit. Go ahead and init
|
|
// with inherited vals from parent.
|
|
inherited = PR_TRUE;
|
|
if (parentColor)
|
|
color = new (mPresContext) nsStyleColor(*parentColor);
|
|
}
|
|
}
|
|
|
|
if (!color)
|
|
color = new (mPresContext) nsStyleColor(mPresContext);
|
|
if (!parentColor)
|
|
parentColor = color;
|
|
|
|
// color: color, string, inherit
|
|
SetColor(colorData.mColor, parentColor->mColor, mPresContext, color->mColor,
|
|
inherited);
|
|
|
|
if (inherited)
|
|
// We inherited, and therefore can't be cached in the rule node. We have to be put right on the
|
|
// style context.
|
|
aContext->SetStyle(eStyleStruct_Color, color);
|
|
else {
|
|
// We were fully specified and can therefore be cached right on the rule node.
|
|
if (!aHighestNode->mStyleData.mInheritedData)
|
|
aHighestNode->mStyleData.mInheritedData = new (mPresContext) nsInheritedStyleData;
|
|
aHighestNode->mStyleData.mInheritedData->mColorData = color;
|
|
// Propagate the bit down.
|
|
PropagateDependentBit(NS_STYLE_INHERIT_BIT(Color), aHighestNode);
|
|
}
|
|
|
|
return color;
|
|
}
|
|
|
|
const nsStyleStruct*
|
|
nsRuleNode::ComputeBackgroundData(nsStyleStruct* aStartStruct, const nsCSSStruct& aData,
|
|
nsIStyleContext* aContext,
|
|
nsRuleNode* aHighestNode,
|
|
const RuleDetail& aRuleDetail, PRBool aInherited)
|
|
{
|
|
nsCOMPtr<nsIStyleContext> parentContext = getter_AddRefs(aContext->GetParent());
|
|
|
|
const nsCSSColor& colorData = NS_STATIC_CAST(const nsCSSColor&, aData);
|
|
nsStyleBackground* bg;
|
|
if (aStartStruct)
|
|
// We only need to compute the delta between this computed data and our
|
|
// computed data.
|
|
bg = new (mPresContext) nsStyleBackground(*NS_STATIC_CAST(nsStyleBackground*, aStartStruct));
|
|
else
|
|
bg = new (mPresContext) nsStyleBackground(mPresContext);
|
|
const nsStyleBackground* parentBG = bg;
|
|
|
|
if (parentContext &&
|
|
aRuleDetail != eRuleFullReset &&
|
|
aRuleDetail != eRulePartialReset &&
|
|
aRuleDetail != eRuleNone)
|
|
parentBG = NS_STATIC_CAST(const nsStyleBackground*,
|
|
parentContext->GetStyleData(eStyleStruct_Background));
|
|
PRBool inherited = aInherited;
|
|
// save parentFlags in case bg == parentBG and we clobber them later
|
|
PRUint8 parentFlags = parentBG->mBackgroundFlags;
|
|
|
|
// background-color: color, string, enum (flags), inherit
|
|
if (eCSSUnit_Inherit == colorData.mBackColor.GetUnit()) { // do inherit first, so SetColor doesn't do it
|
|
bg->mBackgroundColor = parentBG->mBackgroundColor;
|
|
bg->mBackgroundFlags &= ~NS_STYLE_BG_COLOR_TRANSPARENT;
|
|
bg->mBackgroundFlags |= (parentFlags & NS_STYLE_BG_COLOR_TRANSPARENT);
|
|
inherited = PR_TRUE;
|
|
}
|
|
else if (SetColor(colorData.mBackColor, parentBG->mBackgroundColor,
|
|
mPresContext, bg->mBackgroundColor, inherited)) {
|
|
bg->mBackgroundFlags &= ~NS_STYLE_BG_COLOR_TRANSPARENT;
|
|
}
|
|
else if (eCSSUnit_Enumerated == colorData.mBackColor.GetUnit()) {
|
|
//bg->mBackgroundColor = parentBG->mBackgroundColor; XXXwdh crap crap crap!
|
|
bg->mBackgroundFlags |= NS_STYLE_BG_COLOR_TRANSPARENT;
|
|
}
|
|
|
|
// background-image: url, none, inherit
|
|
if (eCSSUnit_URL == colorData.mBackImage.GetUnit()) {
|
|
colorData.mBackImage.GetStringValue(bg->mBackgroundImage);
|
|
bg->mBackgroundFlags &= ~NS_STYLE_BG_IMAGE_NONE;
|
|
}
|
|
else if (eCSSUnit_None == colorData.mBackImage.GetUnit()) {
|
|
bg->mBackgroundImage.Truncate();
|
|
bg->mBackgroundFlags |= NS_STYLE_BG_IMAGE_NONE;
|
|
}
|
|
else if (eCSSUnit_Inherit == colorData.mBackImage.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
bg->mBackgroundImage = parentBG->mBackgroundImage;
|
|
bg->mBackgroundFlags &= ~NS_STYLE_BG_IMAGE_NONE;
|
|
bg->mBackgroundFlags |= (parentFlags & NS_STYLE_BG_IMAGE_NONE);
|
|
}
|
|
|
|
// background-repeat: enum, inherit
|
|
if (eCSSUnit_Enumerated == colorData.mBackRepeat.GetUnit()) {
|
|
bg->mBackgroundRepeat = colorData.mBackRepeat.GetIntValue();
|
|
}
|
|
else if (eCSSUnit_Inherit == colorData.mBackRepeat.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
bg->mBackgroundRepeat = parentBG->mBackgroundRepeat;
|
|
}
|
|
|
|
// background-attachment: enum, inherit
|
|
if (eCSSUnit_Enumerated == colorData.mBackAttachment.GetUnit()) {
|
|
bg->mBackgroundAttachment = colorData.mBackAttachment.GetIntValue();
|
|
}
|
|
else if (eCSSUnit_Inherit == colorData.mBackAttachment.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
bg->mBackgroundAttachment = parentBG->mBackgroundAttachment;
|
|
}
|
|
|
|
// background-clip: enum, inherit, initial
|
|
if (eCSSUnit_Enumerated == colorData.mBackClip.GetUnit()) {
|
|
bg->mBackgroundClip = colorData.mBackClip.GetIntValue();
|
|
}
|
|
else if (eCSSUnit_Inherit == colorData.mBackClip.GetUnit()) {
|
|
bg->mBackgroundClip = parentBG->mBackgroundClip;
|
|
}
|
|
else if (eCSSUnit_Initial == colorData.mBackClip.GetUnit()) {
|
|
bg->mBackgroundClip = NS_STYLE_BG_CLIP_BORDER;
|
|
}
|
|
|
|
// background-origin: enum, inherit, initial
|
|
if (eCSSUnit_Enumerated == colorData.mBackOrigin.GetUnit()) {
|
|
bg->mBackgroundOrigin = colorData.mBackOrigin.GetIntValue();
|
|
}
|
|
else if (eCSSUnit_Inherit == colorData.mBackOrigin.GetUnit()) {
|
|
bg->mBackgroundOrigin = parentBG->mBackgroundOrigin;
|
|
}
|
|
else if (eCSSUnit_Initial == colorData.mBackOrigin.GetUnit()) {
|
|
bg->mBackgroundOrigin = NS_STYLE_BG_ORIGIN_PADDING;
|
|
}
|
|
|
|
// background-position: enum, length, percent (flags), inherit
|
|
if (eCSSUnit_Percent == colorData.mBackPositionX.GetUnit()) {
|
|
bg->mBackgroundXPosition = (nscoord)(100.0f * colorData.mBackPositionX.GetPercentValue());
|
|
bg->mBackgroundFlags |= NS_STYLE_BG_X_POSITION_PERCENT;
|
|
bg->mBackgroundFlags &= ~NS_STYLE_BG_X_POSITION_LENGTH;
|
|
}
|
|
else if (colorData.mBackPositionX.IsLengthUnit()) {
|
|
bg->mBackgroundXPosition = CalcLength(colorData.mBackPositionX, nsnull,
|
|
aContext, mPresContext, inherited);
|
|
bg->mBackgroundFlags |= NS_STYLE_BG_X_POSITION_LENGTH;
|
|
bg->mBackgroundFlags &= ~NS_STYLE_BG_X_POSITION_PERCENT;
|
|
}
|
|
else if (eCSSUnit_Enumerated == colorData.mBackPositionX.GetUnit()) {
|
|
bg->mBackgroundXPosition = (nscoord)colorData.mBackPositionX.GetIntValue();
|
|
bg->mBackgroundFlags |= NS_STYLE_BG_X_POSITION_PERCENT;
|
|
bg->mBackgroundFlags &= ~NS_STYLE_BG_X_POSITION_LENGTH;
|
|
}
|
|
else if (eCSSUnit_Inherit == colorData.mBackPositionX.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
bg->mBackgroundXPosition = parentBG->mBackgroundXPosition;
|
|
bg->mBackgroundFlags &= ~(NS_STYLE_BG_X_POSITION_LENGTH | NS_STYLE_BG_X_POSITION_PERCENT);
|
|
bg->mBackgroundFlags |= (parentFlags & (NS_STYLE_BG_X_POSITION_LENGTH | NS_STYLE_BG_X_POSITION_PERCENT));
|
|
}
|
|
|
|
if (eCSSUnit_Percent == colorData.mBackPositionY.GetUnit()) {
|
|
bg->mBackgroundYPosition = (nscoord)(100.0f * colorData.mBackPositionY.GetPercentValue());
|
|
bg->mBackgroundFlags |= NS_STYLE_BG_Y_POSITION_PERCENT;
|
|
bg->mBackgroundFlags &= ~NS_STYLE_BG_Y_POSITION_LENGTH;
|
|
}
|
|
else if (colorData.mBackPositionY.IsLengthUnit()) {
|
|
bg->mBackgroundYPosition = CalcLength(colorData.mBackPositionY, nsnull,
|
|
aContext, mPresContext, inherited);
|
|
bg->mBackgroundFlags |= NS_STYLE_BG_Y_POSITION_LENGTH;
|
|
bg->mBackgroundFlags &= ~NS_STYLE_BG_Y_POSITION_PERCENT;
|
|
}
|
|
else if (eCSSUnit_Enumerated == colorData.mBackPositionY.GetUnit()) {
|
|
bg->mBackgroundYPosition = (nscoord)colorData.mBackPositionY.GetIntValue();
|
|
bg->mBackgroundFlags |= NS_STYLE_BG_Y_POSITION_PERCENT;
|
|
bg->mBackgroundFlags &= ~NS_STYLE_BG_Y_POSITION_LENGTH;
|
|
}
|
|
else if (eCSSUnit_Inherit == colorData.mBackPositionY.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
bg->mBackgroundYPosition = parentBG->mBackgroundYPosition;
|
|
bg->mBackgroundFlags &= ~(NS_STYLE_BG_Y_POSITION_LENGTH | NS_STYLE_BG_Y_POSITION_PERCENT);
|
|
bg->mBackgroundFlags |= (parentFlags & (NS_STYLE_BG_Y_POSITION_LENGTH | NS_STYLE_BG_Y_POSITION_PERCENT));
|
|
}
|
|
|
|
if (inherited)
|
|
// We inherited, and therefore can't be cached in the rule node. We have to be put right on the
|
|
// style context.
|
|
aContext->SetStyle(eStyleStruct_Background, bg);
|
|
else {
|
|
// We were fully specified and can therefore be cached right on the rule node.
|
|
if (!aHighestNode->mStyleData.mResetData)
|
|
aHighestNode->mStyleData.mResetData = new (mPresContext) nsResetStyleData;
|
|
aHighestNode->mStyleData.mResetData->mBackgroundData = bg;
|
|
// Propagate the bit down.
|
|
PropagateDependentBit(NS_STYLE_INHERIT_BIT(Background), aHighestNode);
|
|
}
|
|
|
|
return bg;
|
|
}
|
|
|
|
const nsStyleStruct*
|
|
nsRuleNode::ComputeMarginData(nsStyleStruct* aStartStruct, const nsCSSStruct& aData,
|
|
nsIStyleContext* aContext,
|
|
nsRuleNode* aHighestNode,
|
|
const RuleDetail& aRuleDetail, PRBool aInherited)
|
|
{
|
|
nsCOMPtr<nsIStyleContext> parentContext = getter_AddRefs(aContext->GetParent());
|
|
|
|
const nsCSSMargin& marginData = NS_STATIC_CAST(const nsCSSMargin&, aData);
|
|
nsStyleMargin* margin;
|
|
if (aStartStruct)
|
|
// We only need to compute the delta between this computed data and our
|
|
// computed data.
|
|
margin = new (mPresContext) nsStyleMargin(*NS_STATIC_CAST(nsStyleMargin*, aStartStruct));
|
|
else
|
|
margin = new (mPresContext) nsStyleMargin();
|
|
const nsStyleMargin* parentMargin = margin;
|
|
|
|
if (parentContext &&
|
|
aRuleDetail != eRuleFullReset &&
|
|
aRuleDetail != eRulePartialReset &&
|
|
aRuleDetail != eRuleNone)
|
|
parentMargin = NS_STATIC_CAST(const nsStyleMargin*,
|
|
parentContext->GetStyleData(eStyleStruct_Margin));
|
|
PRBool inherited = aInherited;
|
|
|
|
// margin: length, percent, auto, inherit
|
|
if (marginData.mMargin) {
|
|
nsStyleCoord coord;
|
|
nsStyleCoord parentCoord;
|
|
parentMargin->mMargin.GetLeft(parentCoord);
|
|
if (SetCoord(marginData.mMargin->mLeft, coord, parentCoord, SETCOORD_LPAH, aContext, mPresContext, inherited)) {
|
|
margin->mMargin.SetLeft(coord);
|
|
}
|
|
parentMargin->mMargin.GetTop(parentCoord);
|
|
if (SetCoord(marginData.mMargin->mTop, coord, parentCoord, SETCOORD_LPAH, aContext, mPresContext, inherited)) {
|
|
margin->mMargin.SetTop(coord);
|
|
}
|
|
parentMargin->mMargin.GetRight(parentCoord);
|
|
if (SetCoord(marginData.mMargin->mRight, coord, parentCoord, SETCOORD_LPAH, aContext, mPresContext, inherited)) {
|
|
margin->mMargin.SetRight(coord);
|
|
}
|
|
parentMargin->mMargin.GetBottom(parentCoord);
|
|
if (SetCoord(marginData.mMargin->mBottom, coord, parentCoord, SETCOORD_LPAH, aContext, mPresContext, inherited)) {
|
|
margin->mMargin.SetBottom(coord);
|
|
}
|
|
}
|
|
|
|
if (inherited)
|
|
// We inherited, and therefore can't be cached in the rule node. We have to be put right on the
|
|
// style context.
|
|
aContext->SetStyle(eStyleStruct_Margin, margin);
|
|
else {
|
|
// We were fully specified and can therefore be cached right on the rule node.
|
|
if (!aHighestNode->mStyleData.mResetData)
|
|
aHighestNode->mStyleData.mResetData = new (mPresContext) nsResetStyleData;
|
|
aHighestNode->mStyleData.mResetData->mMarginData = margin;
|
|
// Propagate the bit down.
|
|
PropagateDependentBit(NS_STYLE_INHERIT_BIT(Margin), aHighestNode);
|
|
}
|
|
|
|
margin->RecalcData();
|
|
return margin;
|
|
}
|
|
|
|
const nsStyleStruct*
|
|
nsRuleNode::ComputeBorderData(nsStyleStruct* aStartStruct, const nsCSSStruct& aData,
|
|
nsIStyleContext* aContext,
|
|
nsRuleNode* aHighestNode,
|
|
const RuleDetail& aRuleDetail, PRBool aInherited)
|
|
{
|
|
nsCOMPtr<nsIStyleContext> parentContext = getter_AddRefs(aContext->GetParent());
|
|
|
|
const nsCSSMargin& marginData = NS_STATIC_CAST(const nsCSSMargin&, aData);
|
|
nsStyleBorder* border;
|
|
if (aStartStruct)
|
|
// We only need to compute the delta between this computed data and our
|
|
// computed data.
|
|
border = new (mPresContext) nsStyleBorder(*NS_STATIC_CAST(nsStyleBorder*, aStartStruct));
|
|
else
|
|
border = new (mPresContext) nsStyleBorder(mPresContext);
|
|
|
|
const nsStyleBorder* parentBorder = border;
|
|
if (parentContext &&
|
|
aRuleDetail != eRuleFullReset &&
|
|
aRuleDetail != eRulePartialReset &&
|
|
aRuleDetail != eRuleNone)
|
|
parentBorder = NS_STATIC_CAST(const nsStyleBorder*,
|
|
parentContext->GetStyleData(eStyleStruct_Border));
|
|
PRBool inherited = aInherited;
|
|
|
|
// border-size: length, enum, inherit
|
|
if (marginData.mBorderWidth) {
|
|
nsStyleCoord coord;
|
|
nsStyleCoord parentCoord;
|
|
if (SetCoord(marginData.mBorderWidth->mLeft, coord, parentCoord, SETCOORD_LE, aContext, mPresContext, inherited))
|
|
border->mBorder.SetLeft(coord);
|
|
else if (eCSSUnit_Inherit == marginData.mBorderWidth->mLeft.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
border->mBorder.SetLeft(parentBorder->mBorder.GetLeft(coord));
|
|
}
|
|
|
|
if (SetCoord(marginData.mBorderWidth->mTop, coord, parentCoord, SETCOORD_LE, aContext, mPresContext, inherited))
|
|
border->mBorder.SetTop(coord);
|
|
else if (eCSSUnit_Inherit == marginData.mBorderWidth->mTop.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
border->mBorder.SetTop(parentBorder->mBorder.GetTop(coord));
|
|
}
|
|
|
|
if (SetCoord(marginData.mBorderWidth->mRight, coord, parentCoord, SETCOORD_LE, aContext, mPresContext, inherited))
|
|
border->mBorder.SetRight(coord);
|
|
else if (eCSSUnit_Inherit == marginData.mBorderWidth->mRight.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
border->mBorder.SetRight(parentBorder->mBorder.GetRight(coord));
|
|
}
|
|
|
|
if (SetCoord(marginData.mBorderWidth->mBottom, coord, parentCoord, SETCOORD_LE, aContext, mPresContext, inherited))
|
|
border->mBorder.SetBottom(coord);
|
|
else if (eCSSUnit_Inherit == marginData.mBorderWidth->mBottom.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
border->mBorder.SetBottom(parentBorder->mBorder.GetBottom(coord));
|
|
}
|
|
}
|
|
|
|
// border-style: enum, none, inhert
|
|
if (nsnull != marginData.mBorderStyle) {
|
|
nsCSSRect* ourStyle = marginData.mBorderStyle;
|
|
if (eCSSUnit_Enumerated == ourStyle->mTop.GetUnit()) {
|
|
border->SetBorderStyle(NS_SIDE_TOP, ourStyle->mTop.GetIntValue());
|
|
}
|
|
else if (eCSSUnit_None == ourStyle->mTop.GetUnit()) {
|
|
border->SetBorderStyle(NS_SIDE_TOP, NS_STYLE_BORDER_STYLE_NONE);
|
|
}
|
|
else if (eCSSUnit_Inherit == ourStyle->mTop.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
border->SetBorderStyle(NS_SIDE_TOP, parentBorder->GetBorderStyle(NS_SIDE_TOP));
|
|
}
|
|
|
|
if (eCSSUnit_Enumerated == ourStyle->mRight.GetUnit()) {
|
|
border->SetBorderStyle(NS_SIDE_RIGHT, ourStyle->mRight.GetIntValue());
|
|
}
|
|
else if (eCSSUnit_None == ourStyle->mRight.GetUnit()) {
|
|
border->SetBorderStyle(NS_SIDE_RIGHT, NS_STYLE_BORDER_STYLE_NONE);
|
|
}
|
|
else if (eCSSUnit_Inherit == ourStyle->mRight.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
border->SetBorderStyle(NS_SIDE_RIGHT, parentBorder->GetBorderStyle(NS_SIDE_RIGHT));
|
|
}
|
|
|
|
if (eCSSUnit_Enumerated == ourStyle->mBottom.GetUnit()) {
|
|
border->SetBorderStyle(NS_SIDE_BOTTOM, ourStyle->mBottom.GetIntValue());
|
|
}
|
|
else if (eCSSUnit_None == ourStyle->mBottom.GetUnit()) {
|
|
border->SetBorderStyle(NS_SIDE_BOTTOM, NS_STYLE_BORDER_STYLE_NONE);
|
|
}
|
|
else if (eCSSUnit_Inherit == ourStyle->mBottom.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
border->SetBorderStyle(NS_SIDE_BOTTOM, parentBorder->GetBorderStyle(NS_SIDE_BOTTOM));
|
|
}
|
|
|
|
if (eCSSUnit_Enumerated == ourStyle->mLeft.GetUnit()) {
|
|
border->SetBorderStyle(NS_SIDE_LEFT, ourStyle->mLeft.GetIntValue());
|
|
}
|
|
else if (eCSSUnit_None == ourStyle->mLeft.GetUnit()) {
|
|
border->SetBorderStyle(NS_SIDE_LEFT, NS_STYLE_BORDER_STYLE_NONE);
|
|
}
|
|
else if (eCSSUnit_Inherit == ourStyle->mLeft.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
border->SetBorderStyle(NS_SIDE_LEFT, parentBorder->GetBorderStyle(NS_SIDE_LEFT));
|
|
}
|
|
}
|
|
|
|
// border-colors: color, string, enum
|
|
if (marginData.mBorderColors) {
|
|
nscolor borderColor;
|
|
nscolor unused = NS_RGB(0,0,0);
|
|
|
|
for (PRInt32 i = 0; i < 4; i++) {
|
|
if (marginData.mBorderColors[i]) {
|
|
// Some composite border color information has been specified for this
|
|
// border side.
|
|
border->EnsureBorderColors();
|
|
border->ClearBorderColors(i);
|
|
nsCSSValueList* list = marginData.mBorderColors[i];
|
|
while (list) {
|
|
if (SetColor(list->mValue, unused, mPresContext, borderColor, inherited))
|
|
border->AppendBorderColor(i, borderColor, PR_FALSE);
|
|
else if (eCSSUnit_Enumerated == list->mValue.GetUnit() &&
|
|
NS_STYLE_COLOR_TRANSPARENT == list->mValue.GetIntValue())
|
|
border->AppendBorderColor(i, nsnull, PR_TRUE);
|
|
list = list->mNext;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// border-color: color, string, enum, inherit
|
|
if (nsnull != marginData.mBorderColor) {
|
|
nsCSSRect* ourBorderColor = marginData.mBorderColor;
|
|
nscolor borderColor;
|
|
nscolor unused = NS_RGB(0,0,0);
|
|
PRBool transparent;
|
|
PRBool foreground;
|
|
|
|
// top
|
|
if (eCSSUnit_Inherit == ourBorderColor->mTop.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
parentBorder->GetBorderColor(NS_SIDE_TOP, borderColor, transparent, foreground);
|
|
if (transparent)
|
|
border->SetBorderTransparent(NS_SIDE_TOP);
|
|
else if (foreground)
|
|
border->SetBorderToForeground(NS_SIDE_TOP);
|
|
else
|
|
border->SetBorderColor(NS_SIDE_TOP, borderColor);
|
|
}
|
|
else if (SetColor(ourBorderColor->mTop, unused, mPresContext, borderColor, inherited)) {
|
|
border->SetBorderColor(NS_SIDE_TOP, borderColor);
|
|
}
|
|
else if (eCSSUnit_Enumerated == ourBorderColor->mTop.GetUnit()) {
|
|
switch (ourBorderColor->mTop.GetIntValue()) {
|
|
case NS_STYLE_COLOR_TRANSPARENT:
|
|
border->SetBorderTransparent(NS_SIDE_TOP);
|
|
break;
|
|
case NS_STYLE_COLOR_MOZ_USE_TEXT_COLOR:
|
|
border->SetBorderToForeground(NS_SIDE_TOP);
|
|
break;
|
|
}
|
|
}
|
|
// right
|
|
if (eCSSUnit_Inherit == ourBorderColor->mRight.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
parentBorder->GetBorderColor(NS_SIDE_RIGHT, borderColor, transparent, foreground);
|
|
if (transparent)
|
|
border->SetBorderTransparent(NS_SIDE_RIGHT);
|
|
else if (foreground)
|
|
border->SetBorderToForeground(NS_SIDE_RIGHT);
|
|
else
|
|
border->SetBorderColor(NS_SIDE_RIGHT, borderColor);
|
|
}
|
|
else if (SetColor(ourBorderColor->mRight, unused, mPresContext, borderColor, inherited)) {
|
|
border->SetBorderColor(NS_SIDE_RIGHT, borderColor);
|
|
}
|
|
else if (eCSSUnit_Enumerated == ourBorderColor->mRight.GetUnit()) {
|
|
switch (ourBorderColor->mRight.GetIntValue()) {
|
|
case NS_STYLE_COLOR_TRANSPARENT:
|
|
border->SetBorderTransparent(NS_SIDE_RIGHT);
|
|
break;
|
|
case NS_STYLE_COLOR_MOZ_USE_TEXT_COLOR:
|
|
border->SetBorderToForeground(NS_SIDE_RIGHT);
|
|
break;
|
|
}
|
|
}
|
|
// bottom
|
|
if (eCSSUnit_Inherit == ourBorderColor->mBottom.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
parentBorder->GetBorderColor(NS_SIDE_BOTTOM, borderColor, transparent, foreground);
|
|
if (transparent)
|
|
border->SetBorderTransparent(NS_SIDE_BOTTOM);
|
|
else if (foreground)
|
|
border->SetBorderToForeground(NS_SIDE_BOTTOM);
|
|
else
|
|
border->SetBorderColor(NS_SIDE_BOTTOM, borderColor);
|
|
}
|
|
else if (SetColor(ourBorderColor->mBottom, unused, mPresContext, borderColor, inherited)) {
|
|
border->SetBorderColor(NS_SIDE_BOTTOM, borderColor);
|
|
}
|
|
else if (eCSSUnit_Enumerated == ourBorderColor->mBottom.GetUnit()) {
|
|
switch (ourBorderColor->mBottom.GetIntValue()) {
|
|
case NS_STYLE_COLOR_TRANSPARENT:
|
|
border->SetBorderTransparent(NS_SIDE_BOTTOM);
|
|
break;
|
|
case NS_STYLE_COLOR_MOZ_USE_TEXT_COLOR:
|
|
border->SetBorderToForeground(NS_SIDE_BOTTOM);
|
|
break;
|
|
}
|
|
}
|
|
// left
|
|
if (eCSSUnit_Inherit == ourBorderColor->mLeft.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
parentBorder->GetBorderColor(NS_SIDE_LEFT, borderColor, transparent, foreground);
|
|
if (transparent)
|
|
border->SetBorderTransparent(NS_SIDE_LEFT);
|
|
else if (foreground)
|
|
border->SetBorderToForeground(NS_SIDE_LEFT);
|
|
else
|
|
border->SetBorderColor(NS_SIDE_LEFT, borderColor);
|
|
}
|
|
else if (SetColor(ourBorderColor->mLeft, unused, mPresContext, borderColor, inherited)) {
|
|
border->SetBorderColor(NS_SIDE_LEFT, borderColor);
|
|
}
|
|
else if (eCSSUnit_Enumerated == ourBorderColor->mLeft.GetUnit()) {
|
|
switch (ourBorderColor->mLeft.GetIntValue()) {
|
|
case NS_STYLE_COLOR_TRANSPARENT:
|
|
border->SetBorderTransparent(NS_SIDE_LEFT);
|
|
break;
|
|
case NS_STYLE_COLOR_MOZ_USE_TEXT_COLOR:
|
|
border->SetBorderToForeground(NS_SIDE_LEFT);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
// -moz-border-radius: length, percent, inherit
|
|
if (marginData.mBorderRadius) {
|
|
nsStyleCoord coord;
|
|
nsStyleCoord parentCoord;
|
|
parentBorder->mBorderRadius.GetLeft(parentCoord);
|
|
if (SetCoord(marginData.mBorderRadius->mLeft, coord, parentCoord, SETCOORD_LPH, aContext, mPresContext, inherited))
|
|
border->mBorderRadius.SetLeft(coord);
|
|
parentBorder->mBorderRadius.GetTop(parentCoord);
|
|
if (SetCoord(marginData.mBorderRadius->mTop, coord, parentCoord, SETCOORD_LPH, aContext, mPresContext, inherited))
|
|
border->mBorderRadius.SetTop(coord);
|
|
parentBorder->mBorderRadius.GetRight(parentCoord);
|
|
if (SetCoord(marginData.mBorderRadius->mRight, coord, parentCoord, SETCOORD_LPH, aContext, mPresContext, inherited))
|
|
border->mBorderRadius.SetRight(coord);
|
|
parentBorder->mBorderRadius.GetBottom(parentCoord);
|
|
if (SetCoord(marginData.mBorderRadius->mBottom, coord, parentCoord, SETCOORD_LPH, aContext, mPresContext, inherited))
|
|
border->mBorderRadius.SetBottom(coord);
|
|
}
|
|
|
|
// float-edge: enum, inherit
|
|
if (eCSSUnit_Enumerated == marginData.mFloatEdge.GetUnit())
|
|
border->mFloatEdge = marginData.mFloatEdge.GetIntValue();
|
|
else if (eCSSUnit_Inherit == marginData.mFloatEdge.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
border->mFloatEdge = parentBorder->mFloatEdge;
|
|
}
|
|
|
|
if (inherited)
|
|
// We inherited, and therefore can't be cached in the rule node. We have to be put right on the
|
|
// style context.
|
|
aContext->SetStyle(eStyleStruct_Border, border);
|
|
else {
|
|
// We were fully specified and can therefore be cached right on the rule node.
|
|
if (!aHighestNode->mStyleData.mResetData)
|
|
aHighestNode->mStyleData.mResetData = new (mPresContext) nsResetStyleData;
|
|
aHighestNode->mStyleData.mResetData->mBorderData = border;
|
|
// Propagate the bit down.
|
|
PropagateDependentBit(NS_STYLE_INHERIT_BIT(Border), aHighestNode);
|
|
}
|
|
|
|
border->RecalcData();
|
|
return border;
|
|
}
|
|
|
|
const nsStyleStruct*
|
|
nsRuleNode::ComputePaddingData(nsStyleStruct* aStartStruct, const nsCSSStruct& aData,
|
|
nsIStyleContext* aContext,
|
|
nsRuleNode* aHighestNode,
|
|
const RuleDetail& aRuleDetail, PRBool aInherited)
|
|
{
|
|
nsCOMPtr<nsIStyleContext> parentContext = getter_AddRefs(aContext->GetParent());
|
|
|
|
const nsCSSMargin& marginData = NS_STATIC_CAST(const nsCSSMargin&, aData);
|
|
nsStylePadding* padding;
|
|
if (aStartStruct)
|
|
// We only need to compute the delta between this computed data and our
|
|
// computed data.
|
|
padding = new (mPresContext) nsStylePadding(*NS_STATIC_CAST(nsStylePadding*, aStartStruct));
|
|
else
|
|
padding = new (mPresContext) nsStylePadding();
|
|
|
|
const nsStylePadding* parentPadding = padding;
|
|
if (parentContext &&
|
|
aRuleDetail != eRuleFullReset &&
|
|
aRuleDetail != eRulePartialReset &&
|
|
aRuleDetail != eRuleNone)
|
|
parentPadding = NS_STATIC_CAST(const nsStylePadding*,
|
|
parentContext->GetStyleData(eStyleStruct_Padding));
|
|
PRBool inherited = aInherited;
|
|
|
|
// padding: length, percent, inherit
|
|
if (marginData.mPadding) {
|
|
nsStyleCoord coord;
|
|
nsStyleCoord parentCoord;
|
|
parentPadding->mPadding.GetLeft(parentCoord);
|
|
if (SetCoord(marginData.mPadding->mLeft, coord, parentCoord, SETCOORD_LPH, aContext, mPresContext, inherited)) {
|
|
padding->mPadding.SetLeft(coord);
|
|
}
|
|
parentPadding->mPadding.GetTop(parentCoord);
|
|
if (SetCoord(marginData.mPadding->mTop, coord, parentCoord, SETCOORD_LPH, aContext, mPresContext, inherited)) {
|
|
padding->mPadding.SetTop(coord);
|
|
}
|
|
parentPadding->mPadding.GetRight(parentCoord);
|
|
if (SetCoord(marginData.mPadding->mRight, coord, parentCoord, SETCOORD_LPH, aContext, mPresContext, inherited)) {
|
|
padding->mPadding.SetRight(coord);
|
|
}
|
|
parentPadding->mPadding.GetBottom(parentCoord);
|
|
if (SetCoord(marginData.mPadding->mBottom, coord, parentCoord, SETCOORD_LPH, aContext, mPresContext, inherited)) {
|
|
padding->mPadding.SetBottom(coord);
|
|
}
|
|
}
|
|
|
|
if (inherited)
|
|
// We inherited, and therefore can't be cached in the rule node. We have to be put right on the
|
|
// style context.
|
|
aContext->SetStyle(eStyleStruct_Padding, padding);
|
|
else {
|
|
// We were fully specified and can therefore be cached right on the rule node.
|
|
if (!aHighestNode->mStyleData.mResetData)
|
|
aHighestNode->mStyleData.mResetData = new (mPresContext) nsResetStyleData;
|
|
aHighestNode->mStyleData.mResetData->mPaddingData = padding;
|
|
// Propagate the bit down.
|
|
PropagateDependentBit(NS_STYLE_INHERIT_BIT(Padding), aHighestNode);
|
|
}
|
|
|
|
padding->RecalcData();
|
|
return padding;
|
|
}
|
|
|
|
const nsStyleStruct*
|
|
nsRuleNode::ComputeOutlineData(nsStyleStruct* aStartStruct, const nsCSSStruct& aData,
|
|
nsIStyleContext* aContext,
|
|
nsRuleNode* aHighestNode,
|
|
const RuleDetail& aRuleDetail, PRBool aInherited)
|
|
{
|
|
nsCOMPtr<nsIStyleContext> parentContext = getter_AddRefs(aContext->GetParent());
|
|
|
|
const nsCSSMargin& marginData = NS_STATIC_CAST(const nsCSSMargin&, aData);
|
|
nsStyleOutline* outline;
|
|
if (aStartStruct)
|
|
// We only need to compute the delta between this computed data and our
|
|
// computed data.
|
|
outline = new (mPresContext) nsStyleOutline(*NS_STATIC_CAST(nsStyleOutline*, aStartStruct));
|
|
else
|
|
outline = new (mPresContext) nsStyleOutline(mPresContext);
|
|
|
|
const nsStyleOutline* parentOutline = outline;
|
|
if (parentContext &&
|
|
aRuleDetail != eRuleFullReset &&
|
|
aRuleDetail != eRulePartialReset &&
|
|
aRuleDetail != eRuleNone)
|
|
parentOutline = NS_STATIC_CAST(const nsStyleOutline*,
|
|
parentContext->GetStyleData(eStyleStruct_Outline));
|
|
PRBool inherited = aInherited;
|
|
|
|
// outline-width: length, enum, inherit
|
|
SetCoord(marginData.mOutlineWidth, outline->mOutlineWidth, parentOutline->mOutlineWidth,
|
|
SETCOORD_LEH, aContext, mPresContext, inherited);
|
|
|
|
// outline-color: color, string, enum, inherit
|
|
nscolor outlineColor;
|
|
nscolor unused = NS_RGB(0,0,0);
|
|
if (eCSSUnit_Inherit == marginData.mOutlineColor.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
if (parentOutline->GetOutlineColor(outlineColor))
|
|
outline->SetOutlineColor(outlineColor);
|
|
else
|
|
outline->SetOutlineInvert();
|
|
}
|
|
else if (SetColor(marginData.mOutlineColor, unused, mPresContext, outlineColor, inherited))
|
|
outline->SetOutlineColor(outlineColor);
|
|
else if (eCSSUnit_Enumerated == marginData.mOutlineColor.GetUnit())
|
|
outline->SetOutlineInvert();
|
|
|
|
// outline-style: enum, none, inherit
|
|
if (eCSSUnit_Enumerated == marginData.mOutlineStyle.GetUnit())
|
|
outline->SetOutlineStyle(marginData.mOutlineStyle.GetIntValue());
|
|
else if (eCSSUnit_None == marginData.mOutlineStyle.GetUnit())
|
|
outline->SetOutlineStyle(NS_STYLE_BORDER_STYLE_NONE);
|
|
else if (eCSSUnit_Inherit == marginData.mOutlineStyle.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
outline->SetOutlineStyle(parentOutline->GetOutlineStyle());
|
|
}
|
|
|
|
if (inherited)
|
|
// We inherited, and therefore can't be cached in the rule node. We have to be put right on the
|
|
// style context.
|
|
aContext->SetStyle(eStyleStruct_Outline, outline);
|
|
else {
|
|
// We were fully specified and can therefore be cached right on the rule node.
|
|
if (!aHighestNode->mStyleData.mResetData)
|
|
aHighestNode->mStyleData.mResetData = new (mPresContext) nsResetStyleData;
|
|
aHighestNode->mStyleData.mResetData->mOutlineData = outline;
|
|
// Propagate the bit down.
|
|
PropagateDependentBit(NS_STYLE_INHERIT_BIT(Outline), aHighestNode);
|
|
}
|
|
|
|
outline->RecalcData();
|
|
return outline;
|
|
}
|
|
|
|
const nsStyleStruct*
|
|
nsRuleNode::ComputeListData(nsStyleStruct* aStartStruct, const nsCSSStruct& aData,
|
|
nsIStyleContext* aContext,
|
|
nsRuleNode* aHighestNode,
|
|
const RuleDetail& aRuleDetail, PRBool aInherited)
|
|
{
|
|
nsCOMPtr<nsIStyleContext> parentContext = getter_AddRefs(aContext->GetParent());
|
|
|
|
const nsCSSList& listData = NS_STATIC_CAST(const nsCSSList&, aData);
|
|
nsStyleList* list = nsnull;
|
|
const nsStyleList* parentList = nsnull;
|
|
PRBool inherited = aInherited;
|
|
|
|
if (parentContext && aRuleDetail != eRuleFullReset)
|
|
parentList = NS_STATIC_CAST(const nsStyleList*,
|
|
parentContext->GetStyleData(eStyleStruct_List));
|
|
if (aStartStruct)
|
|
// We only need to compute the delta between this computed data and our
|
|
// computed data.
|
|
list = new (mPresContext) nsStyleList(*NS_STATIC_CAST(nsStyleList*, aStartStruct));
|
|
else {
|
|
// XXXldb What about eRuleFullInherited? Which path is faster?
|
|
if (aRuleDetail != eRuleFullMixed && aRuleDetail != eRuleFullReset) {
|
|
// No question. We will have to inherit. Go ahead and init
|
|
// with inherited vals from parent.
|
|
inherited = PR_TRUE;
|
|
if (parentList)
|
|
list = new (mPresContext) nsStyleList(*parentList);
|
|
}
|
|
}
|
|
|
|
if (!list)
|
|
list = new (mPresContext) nsStyleList();
|
|
if (!parentList)
|
|
parentList = list;
|
|
|
|
// list-style-type: enum, none, inherit
|
|
if (eCSSUnit_Enumerated == listData.mType.GetUnit()) {
|
|
list->mListStyleType = listData.mType.GetIntValue();
|
|
}
|
|
else if (eCSSUnit_None == listData.mType.GetUnit()) {
|
|
list->mListStyleType = NS_STYLE_LIST_STYLE_NONE;
|
|
}
|
|
else if (eCSSUnit_Inherit == listData.mType.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
list->mListStyleType = parentList->mListStyleType;
|
|
}
|
|
|
|
// list-style-image: url, none, inherit
|
|
if (eCSSUnit_URL == listData.mImage.GetUnit()) {
|
|
listData.mImage.GetStringValue(list->mListStyleImage);
|
|
}
|
|
else if (eCSSUnit_None == listData.mImage.GetUnit()) {
|
|
list->mListStyleImage.Truncate();
|
|
}
|
|
else if (eCSSUnit_Inherit == listData.mImage.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
list->mListStyleImage = parentList->mListStyleImage;
|
|
}
|
|
|
|
// list-style-position: enum, inherit
|
|
if (eCSSUnit_Enumerated == listData.mPosition.GetUnit()) {
|
|
list->mListStylePosition = listData.mPosition.GetIntValue();
|
|
}
|
|
else if (eCSSUnit_Inherit == listData.mPosition.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
list->mListStylePosition = parentList->mListStylePosition;
|
|
}
|
|
|
|
// image region property: length, auto, inherit
|
|
if (listData.mImageRegion) {
|
|
if (eCSSUnit_Inherit == listData.mImageRegion->mTop.GetUnit()) { // if one is inherit, they all are
|
|
inherited = PR_TRUE;
|
|
list->mImageRegion = parentList->mImageRegion;
|
|
}
|
|
else {
|
|
if (eCSSUnit_Auto == listData.mImageRegion->mTop.GetUnit())
|
|
list->mImageRegion.y = 0;
|
|
else if (listData.mImageRegion->mTop.IsLengthUnit())
|
|
list->mImageRegion.y = CalcLength(listData.mImageRegion->mTop, nsnull, aContext, mPresContext, inherited);
|
|
|
|
if (eCSSUnit_Auto == listData.mImageRegion->mBottom.GetUnit())
|
|
list->mImageRegion.height = 0;
|
|
else if (listData.mImageRegion->mBottom.IsLengthUnit())
|
|
list->mImageRegion.height = CalcLength(listData.mImageRegion->mBottom, nsnull, aContext,
|
|
mPresContext, inherited) - list->mImageRegion.y;
|
|
|
|
if (eCSSUnit_Auto == listData.mImageRegion->mLeft.GetUnit())
|
|
list->mImageRegion.x = 0;
|
|
else if (listData.mImageRegion->mLeft.IsLengthUnit())
|
|
list->mImageRegion.x = CalcLength(listData.mImageRegion->mLeft, nsnull, aContext, mPresContext, inherited);
|
|
|
|
if (eCSSUnit_Auto == listData.mImageRegion->mRight.GetUnit())
|
|
list->mImageRegion.width = 0;
|
|
else if (listData.mImageRegion->mRight.IsLengthUnit())
|
|
list->mImageRegion.width = CalcLength(listData.mImageRegion->mRight, nsnull, aContext, mPresContext, inherited) -
|
|
list->mImageRegion.x;
|
|
}
|
|
}
|
|
|
|
if (inherited)
|
|
// We inherited, and therefore can't be cached in the rule node. We have to be put right on the
|
|
// style context.
|
|
aContext->SetStyle(eStyleStruct_List, list);
|
|
else {
|
|
// We were fully specified and can therefore be cached right on the rule node.
|
|
if (!aHighestNode->mStyleData.mInheritedData)
|
|
aHighestNode->mStyleData.mInheritedData = new (mPresContext) nsInheritedStyleData;
|
|
aHighestNode->mStyleData.mInheritedData->mListData = list;
|
|
// Propagate the bit down.
|
|
PropagateDependentBit(NS_STYLE_INHERIT_BIT(List), aHighestNode);
|
|
}
|
|
|
|
return list;
|
|
}
|
|
|
|
const nsStyleStruct*
|
|
nsRuleNode::ComputePositionData(nsStyleStruct* aStartStruct, const nsCSSStruct& aData,
|
|
nsIStyleContext* aContext,
|
|
nsRuleNode* aHighestNode,
|
|
const RuleDetail& aRuleDetail, PRBool aInherited)
|
|
{
|
|
nsCOMPtr<nsIStyleContext> parentContext = getter_AddRefs(aContext->GetParent());
|
|
|
|
const nsCSSPosition& posData = NS_STATIC_CAST(const nsCSSPosition&, aData);
|
|
nsStylePosition* pos;
|
|
if (aStartStruct)
|
|
// We only need to compute the delta between this computed data and our
|
|
// computed data.
|
|
pos = new (mPresContext) nsStylePosition(*NS_STATIC_CAST(nsStylePosition*, aStartStruct));
|
|
else
|
|
pos = new (mPresContext) nsStylePosition();
|
|
|
|
const nsStylePosition* parentPos = pos;
|
|
if (parentContext &&
|
|
aRuleDetail != eRuleFullReset &&
|
|
aRuleDetail != eRulePartialReset &&
|
|
aRuleDetail != eRuleNone)
|
|
parentPos = NS_STATIC_CAST(const nsStylePosition*,
|
|
parentContext->GetStyleData(eStyleStruct_Position));
|
|
PRBool inherited = aInherited;
|
|
|
|
// box offsets: length, percent, auto, inherit
|
|
if (posData.mOffset) {
|
|
nsStyleCoord coord;
|
|
nsStyleCoord parentCoord;
|
|
parentPos->mOffset.GetTop(parentCoord);
|
|
if (SetCoord(posData.mOffset->mTop, coord, parentCoord, SETCOORD_LPAH, aContext, mPresContext, inherited)) {
|
|
pos->mOffset.SetTop(coord);
|
|
}
|
|
parentPos->mOffset.GetRight(parentCoord);
|
|
if (SetCoord(posData.mOffset->mRight, coord, parentCoord, SETCOORD_LPAH, aContext, mPresContext, inherited)) {
|
|
pos->mOffset.SetRight(coord);
|
|
}
|
|
parentPos->mOffset.GetBottom(parentCoord);
|
|
if (SetCoord(posData.mOffset->mBottom, coord, parentCoord, SETCOORD_LPAH, aContext, mPresContext, inherited)) {
|
|
pos->mOffset.SetBottom(coord);
|
|
}
|
|
parentPos->mOffset.GetLeft(parentCoord);
|
|
if (SetCoord(posData.mOffset->mLeft, coord, parentCoord, SETCOORD_LPAH, aContext, mPresContext, inherited)) {
|
|
pos->mOffset.SetLeft(coord);
|
|
}
|
|
}
|
|
|
|
if (posData.mWidth.GetUnit() == eCSSUnit_Proportional)
|
|
pos->mWidth.SetIntValue((PRInt32)(posData.mWidth.GetFloatValue()), eStyleUnit_Proportional);
|
|
else
|
|
SetCoord(posData.mWidth, pos->mWidth, parentPos->mWidth,
|
|
SETCOORD_LPAH, aContext, mPresContext, inherited);
|
|
SetCoord(posData.mMinWidth, pos->mMinWidth, parentPos->mMinWidth,
|
|
SETCOORD_LPH, aContext, mPresContext, inherited);
|
|
if (! SetCoord(posData.mMaxWidth, pos->mMaxWidth, parentPos->mMaxWidth,
|
|
SETCOORD_LPH, aContext, mPresContext, inherited)) {
|
|
if (eCSSUnit_None == posData.mMaxWidth.GetUnit()) {
|
|
pos->mMaxWidth.Reset();
|
|
}
|
|
}
|
|
|
|
SetCoord(posData.mHeight, pos->mHeight, parentPos->mHeight,
|
|
SETCOORD_LPAH, aContext, mPresContext, inherited);
|
|
SetCoord(posData.mMinHeight, pos->mMinHeight, parentPos->mMinHeight,
|
|
SETCOORD_LPH, aContext, mPresContext, inherited);
|
|
if (! SetCoord(posData.mMaxHeight, pos->mMaxHeight, parentPos->mMaxHeight,
|
|
SETCOORD_LPH, aContext, mPresContext, inherited)) {
|
|
if (eCSSUnit_None == posData.mMaxHeight.GetUnit()) {
|
|
pos->mMaxHeight.Reset();
|
|
}
|
|
}
|
|
|
|
// box-sizing: enum, inherit
|
|
if (eCSSUnit_Enumerated == posData.mBoxSizing.GetUnit()) {
|
|
pos->mBoxSizing = posData.mBoxSizing.GetIntValue();
|
|
}
|
|
else if (eCSSUnit_Inherit == posData.mBoxSizing.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
pos->mBoxSizing = parentPos->mBoxSizing;
|
|
}
|
|
|
|
// z-index
|
|
if (! SetCoord(posData.mZIndex, pos->mZIndex, parentPos->mZIndex,
|
|
SETCOORD_IA, aContext, nsnull, inherited)) {
|
|
if (eCSSUnit_Inherit == posData.mZIndex.GetUnit()) {
|
|
// handle inherit, because it's ok to inherit 'auto' here
|
|
inherited = PR_TRUE;
|
|
pos->mZIndex = parentPos->mZIndex;
|
|
}
|
|
}
|
|
|
|
if (inherited)
|
|
// We inherited, and therefore can't be cached in the rule node. We have to be put right on the
|
|
// style context.
|
|
aContext->SetStyle(eStyleStruct_Position, pos);
|
|
else {
|
|
// We were fully specified and can therefore be cached right on the rule node.
|
|
if (!aHighestNode->mStyleData.mResetData)
|
|
aHighestNode->mStyleData.mResetData = new (mPresContext) nsResetStyleData;
|
|
aHighestNode->mStyleData.mResetData->mPositionData = pos;
|
|
// Propagate the bit down.
|
|
PropagateDependentBit(NS_STYLE_INHERIT_BIT(Position), aHighestNode);
|
|
}
|
|
|
|
return pos;
|
|
}
|
|
|
|
const nsStyleStruct*
|
|
nsRuleNode::ComputeTableData(nsStyleStruct* aStartStruct, const nsCSSStruct& aData,
|
|
nsIStyleContext* aContext,
|
|
nsRuleNode* aHighestNode,
|
|
const RuleDetail& aRuleDetail, PRBool aInherited)
|
|
{
|
|
nsCOMPtr<nsIStyleContext> parentContext = getter_AddRefs(aContext->GetParent());
|
|
|
|
const nsCSSTable& tableData = NS_STATIC_CAST(const nsCSSTable&, aData);
|
|
nsStyleTable* table;
|
|
if (aStartStruct)
|
|
// We only need to compute the delta between this computed data and our
|
|
// computed data.
|
|
table = new (mPresContext) nsStyleTable(*NS_STATIC_CAST(nsStyleTable*, aStartStruct));
|
|
else
|
|
table = new (mPresContext) nsStyleTable();
|
|
|
|
const nsStyleTable* parentTable = table;
|
|
if (parentContext &&
|
|
aRuleDetail != eRuleFullReset &&
|
|
aRuleDetail != eRulePartialReset &&
|
|
aRuleDetail != eRuleNone)
|
|
parentTable = NS_STATIC_CAST(const nsStyleTable*,
|
|
parentContext->GetStyleData(eStyleStruct_Table));
|
|
PRBool inherited = aInherited;
|
|
|
|
// table-layout: auto, enum, inherit
|
|
if (eCSSUnit_Enumerated == tableData.mLayout.GetUnit())
|
|
table->mLayoutStrategy = tableData.mLayout.GetIntValue();
|
|
else if (eCSSUnit_Auto == tableData.mLayout.GetUnit())
|
|
table->mLayoutStrategy = NS_STYLE_TABLE_LAYOUT_AUTO;
|
|
else if (eCSSUnit_Inherit == tableData.mLayout.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
table->mLayoutStrategy = parentTable->mLayoutStrategy;
|
|
}
|
|
|
|
// rules: enum (not a real CSS prop)
|
|
if (eCSSUnit_Enumerated == tableData.mRules.GetUnit())
|
|
table->mRules = tableData.mRules.GetIntValue();
|
|
|
|
// frame: enum (not a real CSS prop)
|
|
if (eCSSUnit_Enumerated == tableData.mFrame.GetUnit())
|
|
table->mFrame = tableData.mFrame.GetIntValue();
|
|
|
|
// cols: enum, int (not a real CSS prop)
|
|
if (eCSSUnit_Enumerated == tableData.mCols.GetUnit() ||
|
|
eCSSUnit_Integer == tableData.mCols.GetUnit())
|
|
table->mCols = tableData.mCols.GetIntValue();
|
|
|
|
// span: pixels (not a real CSS prop)
|
|
if (eCSSUnit_Enumerated == tableData.mSpan.GetUnit() ||
|
|
eCSSUnit_Integer == tableData.mSpan.GetUnit())
|
|
table->mSpan = tableData.mSpan.GetIntValue();
|
|
|
|
if (inherited)
|
|
// We inherited, and therefore can't be cached in the rule node. We have to be put right on the
|
|
// style context.
|
|
aContext->SetStyle(eStyleStruct_Table, table);
|
|
else {
|
|
// We were fully specified and can therefore be cached right on the rule node.
|
|
if (!aHighestNode->mStyleData.mResetData)
|
|
aHighestNode->mStyleData.mResetData = new (mPresContext) nsResetStyleData;
|
|
aHighestNode->mStyleData.mResetData->mTableData = table;
|
|
// Propagate the bit down.
|
|
PropagateDependentBit(NS_STYLE_INHERIT_BIT(Table), aHighestNode);
|
|
}
|
|
|
|
return table;
|
|
}
|
|
|
|
const nsStyleStruct*
|
|
nsRuleNode::ComputeTableBorderData(nsStyleStruct* aStartStruct, const nsCSSStruct& aData,
|
|
nsIStyleContext* aContext,
|
|
nsRuleNode* aHighestNode,
|
|
const RuleDetail& aRuleDetail, PRBool aInherited)
|
|
{
|
|
nsCOMPtr<nsIStyleContext> parentContext = getter_AddRefs(aContext->GetParent());
|
|
|
|
const nsCSSTable& tableData = NS_STATIC_CAST(const nsCSSTable&, aData);
|
|
nsStyleTableBorder* table = nsnull;
|
|
const nsStyleTableBorder* parentTable = nsnull;
|
|
PRBool inherited = aInherited;
|
|
|
|
if (parentContext && aRuleDetail != eRuleFullReset)
|
|
parentTable = NS_STATIC_CAST(const nsStyleTableBorder*,
|
|
parentContext->GetStyleData(eStyleStruct_TableBorder));
|
|
if (aStartStruct)
|
|
// We only need to compute the delta between this computed data and our
|
|
// computed data.
|
|
table = new (mPresContext) nsStyleTableBorder(*NS_STATIC_CAST(nsStyleTableBorder*, aStartStruct));
|
|
else {
|
|
// XXXldb What about eRuleFullInherited? Which path is faster?
|
|
if (aRuleDetail != eRuleFullMixed && aRuleDetail != eRuleFullReset) {
|
|
// No question. We will have to inherit. Go ahead and init
|
|
// with inherited vals from parent.
|
|
inherited = PR_TRUE;
|
|
if (parentTable)
|
|
table = new (mPresContext) nsStyleTableBorder(*parentTable);
|
|
}
|
|
}
|
|
|
|
if (!table)
|
|
table = new (mPresContext) nsStyleTableBorder(mPresContext);
|
|
if (!parentTable)
|
|
parentTable = table;
|
|
|
|
// border-collapse: enum, inherit
|
|
if (eCSSUnit_Enumerated == tableData.mBorderCollapse.GetUnit()) {
|
|
table->mBorderCollapse = tableData.mBorderCollapse.GetIntValue();
|
|
}
|
|
else if (eCSSUnit_Inherit == tableData.mBorderCollapse.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
table->mBorderCollapse = parentTable->mBorderCollapse;
|
|
}
|
|
|
|
nsStyleCoord coord;
|
|
|
|
// border-spacing-x: length, inherit
|
|
if (SetCoord(tableData.mBorderSpacingX, coord, coord, SETCOORD_LENGTH, aContext, mPresContext, inherited)) {
|
|
table->mBorderSpacingX = coord.GetCoordValue();
|
|
}
|
|
else if (eCSSUnit_Inherit == tableData.mBorderSpacingX.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
table->mBorderSpacingX = parentTable->mBorderSpacingX;
|
|
}
|
|
// border-spacing-y: length, inherit
|
|
if (SetCoord(tableData.mBorderSpacingY, coord, coord, SETCOORD_LENGTH, aContext, mPresContext, inherited)) {
|
|
table->mBorderSpacingY = coord.GetCoordValue();
|
|
}
|
|
else if (eCSSUnit_Inherit == tableData.mBorderSpacingY.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
table->mBorderSpacingY = parentTable->mBorderSpacingY;
|
|
}
|
|
|
|
// caption-side: enum, inherit
|
|
if (eCSSUnit_Enumerated == tableData.mCaptionSide.GetUnit()) {
|
|
table->mCaptionSide = tableData.mCaptionSide.GetIntValue();
|
|
}
|
|
else if (eCSSUnit_Inherit == tableData.mCaptionSide.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
table->mCaptionSide = parentTable->mCaptionSide;
|
|
}
|
|
|
|
// empty-cells: enum, inherit
|
|
if (eCSSUnit_Enumerated == tableData.mEmptyCells.GetUnit()) {
|
|
table->mEmptyCells = tableData.mEmptyCells.GetIntValue();
|
|
}
|
|
else if (eCSSUnit_Inherit == tableData.mEmptyCells.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
table->mEmptyCells = parentTable->mEmptyCells;
|
|
}
|
|
|
|
if (inherited)
|
|
// We inherited, and therefore can't be cached in the rule node. We have to be put right on the
|
|
// style context.
|
|
aContext->SetStyle(eStyleStruct_TableBorder, table);
|
|
else {
|
|
// We were fully specified and can therefore be cached right on the rule node.
|
|
if (!aHighestNode->mStyleData.mInheritedData)
|
|
aHighestNode->mStyleData.mInheritedData = new (mPresContext) nsInheritedStyleData;
|
|
aHighestNode->mStyleData.mInheritedData->mTableBorderData = table;
|
|
// Propagate the bit down.
|
|
PropagateDependentBit(NS_STYLE_INHERIT_BIT(TableBorder), aHighestNode);
|
|
}
|
|
|
|
return table;
|
|
}
|
|
|
|
const nsStyleStruct*
|
|
nsRuleNode::ComputeContentData(nsStyleStruct* aStartStruct, const nsCSSStruct& aData,
|
|
nsIStyleContext* aContext,
|
|
nsRuleNode* aHighestNode,
|
|
const RuleDetail& aRuleDetail, PRBool aInherited)
|
|
{
|
|
nsCOMPtr<nsIStyleContext> parentContext = getter_AddRefs(aContext->GetParent());
|
|
|
|
const nsCSSContent& contentData = NS_STATIC_CAST(const nsCSSContent&, aData);
|
|
nsStyleContent* content;
|
|
if (aStartStruct)
|
|
// We only need to compute the delta between this computed data and our
|
|
// computed data.
|
|
content = new (mPresContext) nsStyleContent(*NS_STATIC_CAST(nsStyleContent*, aStartStruct));
|
|
else
|
|
content = new (mPresContext) nsStyleContent();
|
|
|
|
const nsStyleContent* parentContent = content;
|
|
if (parentContext &&
|
|
aRuleDetail != eRuleFullReset &&
|
|
aRuleDetail != eRulePartialReset &&
|
|
aRuleDetail != eRuleNone)
|
|
parentContent = NS_STATIC_CAST(const nsStyleContent*,
|
|
parentContext->GetStyleData(eStyleStruct_Content));
|
|
PRBool inherited = aInherited;
|
|
|
|
// content: [string, url, counter, attr, enum]+, inherit
|
|
PRUint32 count;
|
|
nsAutoString buffer;
|
|
nsCSSValueList* contentValue = contentData.mContent;
|
|
if (contentValue) {
|
|
if (eCSSUnit_Inherit == contentValue->mValue.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
count = parentContent->ContentCount();
|
|
if (NS_SUCCEEDED(content->AllocateContents(count))) {
|
|
nsStyleContentType type;
|
|
while (0 < count--) {
|
|
parentContent->GetContentAt(count, type, buffer);
|
|
content->SetContentAt(count, type, buffer);
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
count = 0;
|
|
while (contentValue) {
|
|
count++;
|
|
contentValue = contentValue->mNext;
|
|
}
|
|
if (NS_SUCCEEDED(content->AllocateContents(count))) {
|
|
const nsAutoString nullStr;
|
|
count = 0;
|
|
contentValue = contentData.mContent;
|
|
while (contentValue) {
|
|
const nsCSSValue& value = contentValue->mValue;
|
|
nsCSSUnit unit = value.GetUnit();
|
|
nsStyleContentType type;
|
|
switch (unit) {
|
|
case eCSSUnit_String: type = eStyleContentType_String; break;
|
|
case eCSSUnit_URL: type = eStyleContentType_URL; break;
|
|
case eCSSUnit_Attr: type = eStyleContentType_Attr; break;
|
|
case eCSSUnit_Counter: type = eStyleContentType_Counter; break;
|
|
case eCSSUnit_Counters: type = eStyleContentType_Counters; break;
|
|
case eCSSUnit_Enumerated:
|
|
switch (value.GetIntValue()) {
|
|
case NS_STYLE_CONTENT_OPEN_QUOTE:
|
|
type = eStyleContentType_OpenQuote; break;
|
|
case NS_STYLE_CONTENT_CLOSE_QUOTE:
|
|
type = eStyleContentType_CloseQuote; break;
|
|
case NS_STYLE_CONTENT_NO_OPEN_QUOTE:
|
|
type = eStyleContentType_NoOpenQuote; break;
|
|
case NS_STYLE_CONTENT_NO_CLOSE_QUOTE:
|
|
type = eStyleContentType_NoCloseQuote; break;
|
|
default:
|
|
NS_ERROR("bad content value");
|
|
}
|
|
break;
|
|
default:
|
|
NS_ERROR("bad content type");
|
|
}
|
|
if (type < eStyleContentType_OpenQuote) {
|
|
value.GetStringValue(buffer);
|
|
Unquote(buffer);
|
|
content->SetContentAt(count++, type, buffer);
|
|
}
|
|
else {
|
|
content->SetContentAt(count++, type, nullStr);
|
|
}
|
|
contentValue = contentValue->mNext;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// counter-increment: [string [int]]+, none, inherit
|
|
nsCSSCounterData* ourIncrement = contentData.mCounterIncrement;
|
|
if (ourIncrement) {
|
|
PRInt32 increment;
|
|
if (eCSSUnit_Inherit == ourIncrement->mCounter.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
count = parentContent->CounterIncrementCount();
|
|
if (NS_SUCCEEDED(content->AllocateCounterIncrements(count))) {
|
|
while (0 < count--) {
|
|
parentContent->GetCounterIncrementAt(count, buffer, increment);
|
|
content->SetCounterIncrementAt(count, buffer, increment);
|
|
}
|
|
}
|
|
}
|
|
else if (eCSSUnit_None == ourIncrement->mCounter.GetUnit()) {
|
|
content->AllocateCounterIncrements(0);
|
|
}
|
|
else if (eCSSUnit_String == ourIncrement->mCounter.GetUnit()) {
|
|
count = 0;
|
|
while (ourIncrement) {
|
|
count++;
|
|
ourIncrement = ourIncrement->mNext;
|
|
}
|
|
if (NS_SUCCEEDED(content->AllocateCounterIncrements(count))) {
|
|
count = 0;
|
|
ourIncrement = contentData.mCounterIncrement;
|
|
while (ourIncrement) {
|
|
if (eCSSUnit_Integer == ourIncrement->mValue.GetUnit()) {
|
|
increment = ourIncrement->mValue.GetIntValue();
|
|
}
|
|
else {
|
|
increment = 1;
|
|
}
|
|
ourIncrement->mCounter.GetStringValue(buffer);
|
|
content->SetCounterIncrementAt(count++, buffer, increment);
|
|
ourIncrement = ourIncrement->mNext;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// counter-reset: [string [int]]+, none, inherit
|
|
nsCSSCounterData* ourReset = contentData.mCounterReset;
|
|
if (ourReset) {
|
|
PRInt32 reset;
|
|
if (eCSSUnit_Inherit == ourReset->mCounter.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
count = parentContent->CounterResetCount();
|
|
if (NS_SUCCEEDED(content->AllocateCounterResets(count))) {
|
|
while (0 < count--) {
|
|
parentContent->GetCounterResetAt(count, buffer, reset);
|
|
content->SetCounterResetAt(count, buffer, reset);
|
|
}
|
|
}
|
|
}
|
|
else if (eCSSUnit_None == ourReset->mCounter.GetUnit()) {
|
|
content->AllocateCounterResets(0);
|
|
}
|
|
else if (eCSSUnit_String == ourReset->mCounter.GetUnit()) {
|
|
count = 0;
|
|
while (ourReset) {
|
|
count++;
|
|
ourReset = ourReset->mNext;
|
|
}
|
|
if (NS_SUCCEEDED(content->AllocateCounterResets(count))) {
|
|
count = 0;
|
|
ourReset = contentData.mCounterReset;
|
|
while (ourReset) {
|
|
if (eCSSUnit_Integer == ourReset->mValue.GetUnit()) {
|
|
reset = ourReset->mValue.GetIntValue();
|
|
}
|
|
else {
|
|
reset = 0;
|
|
}
|
|
ourReset->mCounter.GetStringValue(buffer);
|
|
content->SetCounterResetAt(count++, buffer, reset);
|
|
ourReset = ourReset->mNext;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// marker-offset: length, auto, inherit
|
|
SetCoord(contentData.mMarkerOffset, content->mMarkerOffset, parentContent->mMarkerOffset,
|
|
SETCOORD_LH | SETCOORD_AUTO, aContext, mPresContext, inherited);
|
|
|
|
if (inherited)
|
|
// We inherited, and therefore can't be cached in the rule node. We have to be put right on the
|
|
// style context.
|
|
aContext->SetStyle(eStyleStruct_Content, content);
|
|
else {
|
|
// We were fully specified and can therefore be cached right on the rule node.
|
|
if (!aHighestNode->mStyleData.mResetData)
|
|
aHighestNode->mStyleData.mResetData = new (mPresContext) nsResetStyleData;
|
|
aHighestNode->mStyleData.mResetData->mContentData = content;
|
|
// Propagate the bit down.
|
|
PropagateDependentBit(NS_STYLE_INHERIT_BIT(Content), aHighestNode);
|
|
}
|
|
|
|
return content;
|
|
}
|
|
|
|
const nsStyleStruct*
|
|
nsRuleNode::ComputeQuotesData(nsStyleStruct* aStartStruct, const nsCSSStruct& aData,
|
|
nsIStyleContext* aContext,
|
|
nsRuleNode* aHighestNode,
|
|
const RuleDetail& aRuleDetail, PRBool aInherited)
|
|
{
|
|
nsCOMPtr<nsIStyleContext> parentContext = getter_AddRefs(aContext->GetParent());
|
|
|
|
const nsCSSContent& contentData = NS_STATIC_CAST(const nsCSSContent&, aData);
|
|
nsStyleQuotes* quotes = nsnull;
|
|
const nsStyleQuotes* parentQuotes = nsnull;
|
|
PRBool inherited = aInherited;
|
|
|
|
if (parentContext && aRuleDetail != eRuleFullReset)
|
|
parentQuotes = NS_STATIC_CAST(const nsStyleQuotes*,
|
|
parentContext->GetStyleData(eStyleStruct_Quotes));
|
|
if (aStartStruct)
|
|
// We only need to compute the delta between this computed data and our
|
|
// computed data.
|
|
quotes = new (mPresContext) nsStyleQuotes(*NS_STATIC_CAST(nsStyleQuotes*, aStartStruct));
|
|
else {
|
|
// XXXldb What about eRuleFullInherited? Which path is faster?
|
|
if (aRuleDetail != eRuleFullMixed && aRuleDetail != eRuleFullReset) {
|
|
// No question. We will have to inherit. Go ahead and init
|
|
// with inherited vals from parent.
|
|
inherited = PR_TRUE;
|
|
if (parentQuotes)
|
|
quotes = new (mPresContext) nsStyleQuotes(*parentQuotes);
|
|
}
|
|
}
|
|
|
|
if (!quotes)
|
|
quotes = new (mPresContext) nsStyleQuotes();
|
|
if (!parentQuotes)
|
|
parentQuotes = quotes;
|
|
|
|
// quotes: [string string]+, none, inherit
|
|
PRUint32 count;
|
|
nsAutoString buffer;
|
|
nsCSSQuotes* ourQuotes = contentData.mQuotes;
|
|
if (ourQuotes) {
|
|
nsAutoString closeBuffer;
|
|
if (eCSSUnit_Inherit == ourQuotes->mOpen.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
count = parentQuotes->QuotesCount();
|
|
if (NS_SUCCEEDED(quotes->AllocateQuotes(count))) {
|
|
while (0 < count--) {
|
|
parentQuotes->GetQuotesAt(count, buffer, closeBuffer);
|
|
quotes->SetQuotesAt(count, buffer, closeBuffer);
|
|
}
|
|
}
|
|
}
|
|
else if (eCSSUnit_None == ourQuotes->mOpen.GetUnit()) {
|
|
quotes->AllocateQuotes(0);
|
|
}
|
|
else if (eCSSUnit_String == ourQuotes->mOpen.GetUnit()) {
|
|
count = 0;
|
|
while (ourQuotes) {
|
|
count++;
|
|
ourQuotes = ourQuotes->mNext;
|
|
}
|
|
if (NS_SUCCEEDED(quotes->AllocateQuotes(count))) {
|
|
count = 0;
|
|
ourQuotes = contentData.mQuotes;
|
|
while (ourQuotes) {
|
|
ourQuotes->mOpen.GetStringValue(buffer);
|
|
ourQuotes->mClose.GetStringValue(closeBuffer);
|
|
Unquote(buffer);
|
|
Unquote(closeBuffer);
|
|
quotes->SetQuotesAt(count++, buffer, closeBuffer);
|
|
ourQuotes = ourQuotes->mNext;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (inherited)
|
|
// We inherited, and therefore can't be cached in the rule node. We have to be put right on the
|
|
// style context.
|
|
aContext->SetStyle(eStyleStruct_Quotes, quotes);
|
|
else {
|
|
// We were fully specified and can therefore be cached right on the rule node.
|
|
if (!aHighestNode->mStyleData.mInheritedData)
|
|
aHighestNode->mStyleData.mInheritedData = new (mPresContext) nsInheritedStyleData;
|
|
aHighestNode->mStyleData.mInheritedData->mQuotesData = quotes;
|
|
// Propagate the bit down.
|
|
PropagateDependentBit(NS_STYLE_INHERIT_BIT(Quotes), aHighestNode);
|
|
}
|
|
|
|
return quotes;
|
|
}
|
|
|
|
#ifdef INCLUDE_XUL
|
|
const nsStyleStruct*
|
|
nsRuleNode::ComputeXULData(nsStyleStruct* aStartStruct, const nsCSSStruct& aData,
|
|
nsIStyleContext* aContext,
|
|
nsRuleNode* aHighestNode,
|
|
const RuleDetail& aRuleDetail, PRBool aInherited)
|
|
{
|
|
nsCOMPtr<nsIStyleContext> parentContext = getter_AddRefs(aContext->GetParent());
|
|
|
|
const nsCSSXUL& xulData = NS_STATIC_CAST(const nsCSSXUL&, aData);
|
|
nsStyleXUL* xul = nsnull;
|
|
|
|
if (aStartStruct)
|
|
// We only need to compute the delta between this computed data and our
|
|
// computed data.
|
|
xul = new (mPresContext) nsStyleXUL(*NS_STATIC_CAST(nsStyleXUL*, aStartStruct));
|
|
else
|
|
xul = new (mPresContext) nsStyleXUL();
|
|
|
|
const nsStyleXUL* parentXUL = xul;
|
|
if (parentContext &&
|
|
aRuleDetail != eRuleFullReset &&
|
|
aRuleDetail != eRulePartialReset &&
|
|
aRuleDetail != eRuleNone)
|
|
parentXUL = NS_STATIC_CAST(const nsStyleXUL*,
|
|
parentContext->GetStyleData(eStyleStruct_XUL));
|
|
|
|
PRBool inherited = aInherited;
|
|
|
|
// box-align: enum, inherit
|
|
if (eCSSUnit_Enumerated == xulData.mBoxAlign.GetUnit()) {
|
|
xul->mBoxAlign = xulData.mBoxAlign.GetIntValue();
|
|
}
|
|
else if (eCSSUnit_Inherit == xulData.mBoxAlign.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
xul->mBoxAlign = parentXUL->mBoxAlign;
|
|
}
|
|
|
|
// box-direction: enum, inherit
|
|
if (eCSSUnit_Enumerated == xulData.mBoxDirection.GetUnit()) {
|
|
xul->mBoxDirection = xulData.mBoxDirection.GetIntValue();
|
|
}
|
|
else if (eCSSUnit_Inherit == xulData.mBoxDirection.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
xul->mBoxDirection = parentXUL->mBoxDirection;
|
|
}
|
|
|
|
// box-flex: factor, inherit
|
|
if (eCSSUnit_Number == xulData.mBoxFlex.GetUnit()) {
|
|
xul->mBoxFlex = xulData.mBoxFlex.GetFloatValue();
|
|
}
|
|
else if (eCSSUnit_Inherit == xulData.mBoxOrient.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
xul->mBoxFlex = parentXUL->mBoxFlex;
|
|
}
|
|
|
|
// box-orient: enum, inherit
|
|
if (eCSSUnit_Enumerated == xulData.mBoxOrient.GetUnit()) {
|
|
xul->mBoxOrient = xulData.mBoxOrient.GetIntValue();
|
|
}
|
|
else if (eCSSUnit_Inherit == xulData.mBoxOrient.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
xul->mBoxOrient = parentXUL->mBoxOrient;
|
|
}
|
|
|
|
// box-pack: enum, inherit
|
|
if (eCSSUnit_Enumerated == xulData.mBoxPack.GetUnit()) {
|
|
xul->mBoxPack = xulData.mBoxPack.GetIntValue();
|
|
}
|
|
else if (eCSSUnit_Inherit == xulData.mBoxPack.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
xul->mBoxPack = parentXUL->mBoxPack;
|
|
}
|
|
|
|
// box-ordinal-group: integer
|
|
if (eCSSUnit_Integer == xulData.mBoxOrdinal.GetUnit()) {
|
|
xul->mBoxOrdinal = xulData.mBoxOrdinal.GetIntValue();
|
|
}
|
|
|
|
if (inherited)
|
|
// We inherited, and therefore can't be cached in the rule node. We have to be put right on the
|
|
// style context.
|
|
aContext->SetStyle(eStyleStruct_XUL, xul);
|
|
else {
|
|
// We were fully specified and can therefore be cached right on the rule node.
|
|
if (!aHighestNode->mStyleData.mResetData)
|
|
aHighestNode->mStyleData.mResetData = new (mPresContext) nsResetStyleData;
|
|
aHighestNode->mStyleData.mResetData->mXULData = xul;
|
|
// Propagate the bit down.
|
|
PropagateDependentBit(NS_STYLE_INHERIT_BIT(XUL), aHighestNode);
|
|
}
|
|
|
|
return xul;
|
|
}
|
|
#endif
|
|
|
|
#ifdef MOZ_SVG
|
|
static void
|
|
SetSVGPaint(const nsCSSValue& aValue, const nsStyleSVGPaint& parentPaint,
|
|
nsIPresContext* aPresContext, nsStyleSVGPaint& aResult, PRBool& aInherited)
|
|
{
|
|
if (aValue.GetUnit() == eCSSUnit_Inherit) {
|
|
aResult = parentPaint;
|
|
aInherited = PR_TRUE;
|
|
} else if (aValue.GetUnit() == eCSSUnit_None) {
|
|
aResult.mType = eStyleSVGPaintType_None;
|
|
} else if (SetColor(aValue, parentPaint.mColor, aPresContext, aResult.mColor, aInherited)) {
|
|
aResult.mType = eStyleSVGPaintType_Color;
|
|
}
|
|
}
|
|
|
|
static void
|
|
SetSVGOpacity(const nsCSSValue& aValue, float parentOpacity, float& opacity, PRBool& aInherited)
|
|
{
|
|
if (aValue.GetUnit() == eCSSUnit_Inherit) {
|
|
opacity = parentOpacity;
|
|
aInherited = PR_TRUE;
|
|
}
|
|
else if (aValue.GetUnit() == eCSSUnit_Number) {
|
|
opacity = aValue.GetFloatValue();
|
|
}
|
|
}
|
|
|
|
static void
|
|
SetSVGLength(const nsCSSValue& aValue, float parentLength, float& length,
|
|
nsIStyleContext* aContext, nsIPresContext* aPresContext, PRBool& aInherited)
|
|
{
|
|
nsStyleCoord coord;
|
|
PRBool dummy;
|
|
if (SetCoord(aValue, coord, coord,
|
|
SETCOORD_LP | SETCOORD_FACTOR,
|
|
aContext, aPresContext, dummy)) {
|
|
if (coord.GetUnit() == eStyleUnit_Factor) { // user units
|
|
length = (float) coord.GetFactorValue();
|
|
}
|
|
else {
|
|
length = (float) coord.GetCoordValue();
|
|
float twipsPerPix;
|
|
aPresContext->GetScaledPixelsToTwips(&twipsPerPix);
|
|
if (twipsPerPix == 0.0f)
|
|
twipsPerPix = 1e-20f;
|
|
length /= twipsPerPix;
|
|
}
|
|
}
|
|
else if (aValue.GetUnit() == eCSSUnit_Inherit) {
|
|
length = parentLength;
|
|
aInherited = PR_TRUE;
|
|
}
|
|
}
|
|
|
|
const nsStyleStruct*
|
|
nsRuleNode::ComputeSVGData(nsStyleStruct* aStartStruct, const nsCSSStruct& aData,
|
|
nsIStyleContext* aContext,
|
|
nsRuleNode* aHighestNode,
|
|
const RuleDetail& aRuleDetail, PRBool aInherited)
|
|
{
|
|
nsCOMPtr<nsIStyleContext> parentContext = getter_AddRefs(aContext->GetParent());
|
|
|
|
nsStyleSVG* svg = nsnull;
|
|
nsStyleSVG* parentSVG = svg;
|
|
PRBool inherited = aInherited;
|
|
const nsCSSSVG& SVGData = NS_STATIC_CAST(const nsCSSSVG&, aData);
|
|
|
|
if (aStartStruct)
|
|
// We only need to compute the delta between this computed data and our
|
|
// computed data.
|
|
svg = new (mPresContext) nsStyleSVG(*NS_STATIC_CAST(nsStyleSVG*,aStartStruct));
|
|
else {
|
|
if (aRuleDetail != eRuleFullMixed) {
|
|
// No question. We will have to inherit. Go ahead and init
|
|
// with inherited vals from parent.
|
|
inherited = PR_TRUE;
|
|
if (parentContext)
|
|
parentSVG = (nsStyleSVG*)parentContext->GetStyleData(eStyleStruct_SVG);
|
|
if (parentSVG)
|
|
svg = new (mPresContext) nsStyleSVG(*parentSVG);
|
|
}
|
|
}
|
|
|
|
if (!svg)
|
|
svg = parentSVG = new (mPresContext) nsStyleSVG();
|
|
|
|
// fill:
|
|
SetSVGPaint(SVGData.mFill, parentSVG->mFill, mPresContext, svg->mFill, inherited);
|
|
|
|
// fill-opacity:
|
|
SetSVGOpacity(SVGData.mFillOpacity, parentSVG->mFillOpacity, svg->mFillOpacity, inherited);
|
|
|
|
// fill-rule: enum, inherit
|
|
if (eCSSUnit_Enumerated == SVGData.mFillRule.GetUnit()) {
|
|
svg->mFillRule = SVGData.mFillRule.GetIntValue();
|
|
}
|
|
else if (eCSSUnit_Inherit == SVGData.mFillRule.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
svg->mFillRule = parentSVG->mFillRule;
|
|
}
|
|
|
|
// stroke:
|
|
SetSVGPaint(SVGData.mStroke, parentSVG->mStroke, mPresContext, svg->mStroke, inherited);
|
|
|
|
// stroke-dasharray: <dasharray>, none, inherit
|
|
if (eCSSUnit_String == SVGData.mStrokeDasharray.GetUnit()) {
|
|
SVGData.mStrokeDasharray.GetStringValue(svg->mStrokeDasharray);
|
|
}
|
|
else if (eCSSUnit_None == SVGData.mStrokeDasharray.GetUnit()) {
|
|
svg->mStrokeDasharray.Truncate();
|
|
}
|
|
else if (eCSSUnit_Inherit == SVGData.mStrokeDasharray.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
svg->mStrokeDasharray = parentSVG->mStrokeDasharray;
|
|
}
|
|
|
|
// stroke-dashoffset: <dashoffset>, inherit
|
|
SetSVGLength(SVGData.mStrokeDashoffset, parentSVG->mStrokeDashoffset,
|
|
svg->mStrokeDashoffset, aContext, mPresContext, inherited);
|
|
|
|
// stroke-linecap: enum, inherit
|
|
if (eCSSUnit_Enumerated == SVGData.mStrokeLinecap.GetUnit()) {
|
|
svg->mStrokeLinecap = SVGData.mStrokeLinecap.GetIntValue();
|
|
}
|
|
else if (eCSSUnit_Inherit == SVGData.mStrokeLinecap.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
svg->mStrokeLinecap = parentSVG->mStrokeLinecap;
|
|
}
|
|
|
|
// stroke-linejoin: enum, inherit
|
|
if (eCSSUnit_Enumerated == SVGData.mStrokeLinejoin.GetUnit()) {
|
|
svg->mStrokeLinejoin = SVGData.mStrokeLinejoin.GetIntValue();
|
|
}
|
|
else if (eCSSUnit_Inherit == SVGData.mStrokeLinejoin.GetUnit()) {
|
|
inherited = PR_TRUE;
|
|
svg->mStrokeLinejoin = parentSVG->mStrokeLinejoin;
|
|
}
|
|
|
|
// stroke-miterlimit: <miterlimit>, inherit
|
|
if (eCSSUnit_Number == SVGData.mStrokeMiterlimit.GetUnit()) {
|
|
float value = SVGData.mStrokeMiterlimit.GetFloatValue();
|
|
if (value > 1) { // XXX this check should probably be in nsCSSParser
|
|
svg->mStrokeMiterlimit = value;
|
|
}
|
|
}
|
|
else if (eCSSUnit_Inherit == SVGData.mStrokeMiterlimit.GetUnit()) {
|
|
svg->mStrokeMiterlimit = parentSVG->mStrokeMiterlimit;
|
|
inherited = PR_TRUE;
|
|
}
|
|
|
|
// stroke-opacity:
|
|
SetSVGOpacity(SVGData.mStrokeOpacity, parentSVG->mStrokeOpacity, svg->mStrokeOpacity, inherited);
|
|
|
|
// stroke-width:
|
|
SetSVGLength(SVGData.mStrokeWidth, parentSVG->mStrokeWidth,
|
|
svg->mStrokeWidth, aContext, mPresContext, inherited);
|
|
|
|
if (inherited)
|
|
// We inherited, and therefore can't be cached in the rule node. We have to be put right on the
|
|
// style context.
|
|
aContext->SetStyle(eStyleStruct_SVG, svg);
|
|
else {
|
|
// We were fully specified and can therefore be cached right on the rule node.
|
|
if (!aHighestNode->mStyleData.mInheritedData)
|
|
aHighestNode->mStyleData.mInheritedData = new (mPresContext) nsInheritedStyleData;
|
|
aHighestNode->mStyleData.mInheritedData->mSVGData = svg;
|
|
// Propagate the bit down.
|
|
PropagateDependentBit(NS_STYLE_INHERIT_BIT(SVG), aHighestNode);
|
|
}
|
|
|
|
return svg;
|
|
}
|
|
#endif
|
|
|
|
inline const nsStyleStruct*
|
|
nsRuleNode::GetParentData(const nsStyleStructID aSID)
|
|
{
|
|
nsRuleNode* ruleNode = mParent;
|
|
nsStyleStruct* currStruct = nsnull;
|
|
while (ruleNode) {
|
|
currStruct = ruleNode->mStyleData.GetStyleData(aSID);
|
|
if (currStruct)
|
|
break; // We found a rule with fully specified data. We don't need to go up
|
|
// the tree any further, since the remainder of this branch has already
|
|
// been computed.
|
|
ruleNode = ruleNode->mParent; // Climb up to the next rule in the tree (a less specific rule).
|
|
}
|
|
|
|
return currStruct; // Just return whatever we found.
|
|
}
|
|
|
|
nsRuleNode::GetStyleDataFn
|
|
nsRuleNode::gGetStyleDataFn[] = {
|
|
|
|
#define STYLE_STRUCT(name, checkdata_cb) &nsRuleNode::Get##name##Data,
|
|
#include "nsStyleStructList.h"
|
|
#undef STYLE_STRUCT
|
|
|
|
nsnull
|
|
};
|
|
|
|
const nsStyleStruct*
|
|
nsRuleNode::GetStyleData(nsStyleStructID aSID,
|
|
nsIStyleContext* aContext,
|
|
PRBool aComputeData)
|
|
{
|
|
const nsStyleStruct* cachedData = mStyleData.GetStyleData(aSID);
|
|
if (cachedData)
|
|
return cachedData; // We have a fully specified struct. Just return it.
|
|
|
|
if (mDependentBits & nsCachedStyleData::GetBitForSID(aSID))
|
|
return GetParentData(aSID); // We depend on an ancestor for this
|
|
// struct since the cached struct it has
|
|
// is also appropriate for this rule
|
|
// node. Just go up the rule tree and
|
|
// return the first cached struct we
|
|
// find.
|
|
|
|
// Nothing is cached. We'll have to delve further and examine our rules.
|
|
GetStyleDataFn fn = gGetStyleDataFn[aSID];
|
|
return fn ? (this->*fn)(aContext, aComputeData) : nsnull;
|
|
}
|