Mozilla/mozilla/content/html/style/src/nsRuleNode.cpp
glazman%netscape.com ea8347db88 BodyFixupRule was not updated nor recreated in case of stylesheet disabling; b=88681; r=pierre,hyatt; sr=attinasi
git-svn-id: svn://10.0.0.236/trunk@100205 18797224-902f-48f8-a5cc-f745e15eee43
2001-08-02 14:34:55 +00:00

4585 lines
158 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is Mozilla Communicator client code.
*
* The Initial Developer of the Original Code is Netscape Communications
* Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Original Author: David W. Hyatt (hyatt@netscape.com)
*
* Contributor(s):
* Daniel Glazman <glazman@netscape.com>
*/
#include "nsRuleNode.h"
#include "nsIDeviceContext.h"
#include "nsILookAndFeel.h"
#include "nsIPresShell.h"
#include "nsIFontMetrics.h"
#include "nsIDocShellTreeItem.h"
#include "nsStyleUtil.h"
#include "nsCSSAtoms.h"
class nsShellISupportsKey : public nsHashKey {
public:
nsISupports* mKey;
public:
nsShellISupportsKey(nsISupports* key) {
#ifdef DEBUG
mKeyType = SupportsKey;
#endif
mKey = key;
}
~nsShellISupportsKey(void) {
}
void* operator new(size_t sz, nsIPresContext* aContext) {
void* result = nsnull;
aContext->AllocateFromShell(sz, &result);
return result;
};
void operator delete(void* aPtr) {} // Does nothing. The arena will free us up when the rule tree
// dies.
void Destroy(nsIPresContext* aContext) {
this->~nsShellISupportsKey();
aContext->FreeToShell(sizeof(nsShellISupportsKey), this);
}
PRUint32 HashCode(void) const {
return (PRUint32)mKey;
}
PRBool Equals(const nsHashKey *aKey) const {
NS_ASSERTION(aKey->GetKeyType() == SupportsKey, "mismatched key types");
return (mKey == ((nsShellISupportsKey *) aKey)->mKey);
}
nsHashKey* Clone() const {
return (nsHashKey*)this; // Just return ourselves.
}
};
// 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
static void EnsureBlockDisplay(PRUint8& display)
{
// see if the display value is already a block
switch (display) {
case NS_STYLE_DISPLAY_NONE :
// never change display:none *ever*
break;
case NS_STYLE_DISPLAY_TABLE :
case NS_STYLE_DISPLAY_BLOCK :
// do not muck with these at all - already blocks
break;
case NS_STYLE_DISPLAY_LIST_ITEM :
// do not change list items to blocks - retain the bullet/numbering
break;
case NS_STYLE_DISPLAY_TABLE_ROW_GROUP :
case NS_STYLE_DISPLAY_TABLE_COLUMN :
case NS_STYLE_DISPLAY_TABLE_COLUMN_GROUP :
case NS_STYLE_DISPLAY_TABLE_HEADER_GROUP :
case NS_STYLE_DISPLAY_TABLE_FOOTER_GROUP :
case NS_STYLE_DISPLAY_TABLE_ROW :
case NS_STYLE_DISPLAY_TABLE_CELL :
case NS_STYLE_DISPLAY_TABLE_CAPTION :
// special cases: don't do anything since these cannot really be floated anyway
break;
case NS_STYLE_DISPLAY_INLINE_TABLE :
// make inline tables into tables
display = NS_STYLE_DISPLAY_TABLE;
break;
default :
// make it a block
display = NS_STYLE_DISPLAY_BLOCK;
}
}
nsString& Unquote(nsString& aString)
{
PRUnichar start = aString.First();
PRUnichar end = aString.Last();
if ((start == end) &&
((start == PRUnichar('\"')) ||
(start == PRUnichar('\'')))) {
PRInt32 length = aString.Length();
aString.Truncate(length - 1);
aString.Cut(0, 1);
}
return aString;
}
nscoord CalcLength(const nsCSSValue& aValue,
nsFont* aFont,
nsIStyleContext* aStyleContext,
nsIPresContext* aPresContext,
PRBool& aInherited)
{
NS_ASSERTION(aValue.IsLengthUnit(), "not a length unit");
if (aValue.IsFixedLengthUnit()) {
return aValue.GetLengthTwips();
}
nsCSSUnit unit = aValue.GetUnit();
switch (unit) {
case eCSSUnit_EM:
case eCSSUnit_Char: {
aInherited = PR_TRUE;
nsFont* font = aStyleContext ? &(((nsStyleFont*)aStyleContext->GetStyleData(eStyleStruct_Font))->mFont) : aFont;
return NSToCoordRound(aValue.GetFloatValue() * (float)font->size);
// XXX scale against font metrics height instead?
}
case eCSSUnit_EN: {
aInherited = PR_TRUE;
nsFont* font = aStyleContext ? &(((nsStyleFont*)aStyleContext->GetStyleData(eStyleStruct_Font))->mFont) : aFont;
return NSToCoordRound((aValue.GetFloatValue() * (float)font->size) / 2.0f);
}
case eCSSUnit_XHeight: {
aInherited = PR_TRUE;
nsFont* font = aStyleContext ? &(((nsStyleFont*)aStyleContext->GetStyleData(eStyleStruct_Font))->mFont) : aFont;
nsIFontMetrics* fm;
aPresContext->GetMetricsFor(*font, &fm);
NS_ASSERTION(nsnull != fm, "can't get font metrics");
nscoord xHeight;
if (nsnull != fm) {
fm->GetXHeight(xHeight);
NS_RELEASE(fm);
}
else {
xHeight = ((font->size * 2) / 3);
}
return NSToCoordRound(aValue.GetFloatValue() * (float)xHeight);
}
case eCSSUnit_CapHeight: {
NS_NOTYETIMPLEMENTED("cap height unit");
aInherited = PR_TRUE;
nsFont* font = aStyleContext ? &(((nsStyleFont*)aStyleContext->GetStyleData(eStyleStruct_Font))->mFont) : aFont;
nscoord capHeight = ((font->size / 3) * 2); // XXX HACK!
return NSToCoordRound(aValue.GetFloatValue() * (float)capHeight);
}
case eCSSUnit_Pixel:
float p2t;
aPresContext->GetScaledPixelsToTwips(&p2t);
return NSFloatPixelsToTwips(aValue.GetFloatValue(), p2t);
default:
break;
}
return 0;
}
#define SETCOORD_NORMAL 0x01
#define SETCOORD_AUTO 0x02
#define SETCOORD_INHERIT 0x04
#define SETCOORD_PERCENT 0x08
#define SETCOORD_FACTOR 0x10
#define SETCOORD_LENGTH 0x20
#define SETCOORD_INTEGER 0x40
#define SETCOORD_ENUMERATED 0x80
#define SETCOORD_LP (SETCOORD_LENGTH | SETCOORD_PERCENT)
#define SETCOORD_LH (SETCOORD_LENGTH | SETCOORD_INHERIT)
#define SETCOORD_AH (SETCOORD_AUTO | SETCOORD_INHERIT)
#define SETCOORD_LPH (SETCOORD_LP | SETCOORD_INHERIT)
#define SETCOORD_LPFHN (SETCOORD_LPH | SETCOORD_FACTOR | SETCOORD_NORMAL)
#define SETCOORD_LPAH (SETCOORD_LP | SETCOORD_AH)
#define SETCOORD_LPEH (SETCOORD_LP | SETCOORD_ENUMERATED | SETCOORD_INHERIT)
#define SETCOORD_LE (SETCOORD_LENGTH | SETCOORD_ENUMERATED)
#define SETCOORD_LEH (SETCOORD_LE | SETCOORD_INHERIT)
#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
}
else {
aCoord.SetInheritValue(); // needs to be computed by client
}
aInherited = PR_TRUE;
}
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) {
nsILookAndFeel* look = nsnull;
if (NS_SUCCEEDED(aPresContext->GetLookAndFeel(&look)) && look) {
nsILookAndFeel::nsColorID colorID = (nsILookAndFeel::nsColorID)aValue.GetIntValue();
if (NS_SUCCEEDED(look->GetColor(colorID, aResult))) {
result = PR_TRUE;
}
NS_RELEASE(look);
}
}
else if (eCSSUnit_Inherit == unit) {
aResult = aParentColor;
result = PR_TRUE;
aInherited = PR_TRUE;
}
return result;
}
// nsRuleNode globals
PRUint32 nsRuleNode::gRefCnt = 0;
NS_IMPL_ADDREF(nsRuleNode)
NS_IMPL_RELEASE_WITH_DESTROY(nsRuleNode, Destroy())
NS_IMPL_QUERY_INTERFACE1(nsRuleNode, nsIRuleNode)
// 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)
{
// 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, nsIRuleNode** aResult)
{
*aResult = new (aPresContext) nsRuleNode(aPresContext);
NS_IF_ADDREF(*aResult);
}
nsRuleNode::nsRuleNode(nsIPresContext* aContext, nsIStyleRule* aRule, nsRuleNode* aParent)
:mPresContext(aContext), mParent(aParent), mChildren(nsnull), mInheritBits(0), mNoneBits(0)
{
NS_INIT_REFCNT();
gRefCnt++;
mRule = aRule;
}
nsRuleNode::~nsRuleNode()
{
if (mStyleData.mResetData || mStyleData.mInheritedData)
mStyleData.Destroy(0, mPresContext);
delete mChildren;
gRefCnt--;
}
NS_IMETHODIMP
nsRuleNode::Transition(nsIStyleRule* aRule, nsIRuleNode** aResult)
{
nsCOMPtr<nsIRuleNode> next;
nsShellISupportsKey key(aRule);
if (mChildren)
next = getter_AddRefs(NS_STATIC_CAST(nsIRuleNode*, mChildren->Get(&key)));
if (!next) {
// Create the new entry in our table.
nsRuleNode* newNode = new (mPresContext) nsRuleNode(mPresContext, aRule, this);
next = newNode;
if (!mChildren)
mChildren = new nsSupportsHashtable(4);
// Clone the key ourselves by allocating it from the shell's arena.
nsShellISupportsKey* clonedKey = new (mPresContext) nsShellISupportsKey(aRule);
mChildren->Put(clonedKey, next);
}
*aResult = next;
NS_IF_ADDREF(*aResult);
return NS_OK;
}
NS_IMETHODIMP
nsRuleNode::GetParent(nsIRuleNode** aResult)
{
*aResult = mParent;
NS_IF_ADDREF(*aResult);
return NS_OK;
}
NS_IMETHODIMP
nsRuleNode::IsRoot(PRBool* aResult)
{
*aResult = (mParent == nsnull);
return NS_OK;
}
NS_IMETHODIMP
nsRuleNode::GetRule(nsIStyleRule** aResult)
{
*aResult = mRule;
NS_IF_ADDREF(*aResult);
return NS_OK;
}
NS_IMETHODIMP
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;
}
NS_IMETHODIMP
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.
nsRuleNode* curr = this;
while (curr) {
curr->mNoneBits &= ~NS_STYLE_INHERIT_MASK;
curr->mInheritBits &= ~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;
}
PRBool PR_CALLBACK ClearCachedDataInSubtreeHelper(nsHashKey* aKey, void* aData, void* aClosure)
{
nsIRuleNode* ruleNode = (nsIRuleNode*)aData;
nsIStyleRule* rule = (nsIStyleRule*)aClosure;
ruleNode->ClearCachedDataInSubtree(rule);
return PR_TRUE;
}
NS_IMETHODIMP
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;
mInheritBits &= ~NS_STYLE_INHERIT_MASK;
aRule = nsnull;
}
if (mChildren)
mChildren->Enumerate(ClearCachedDataInSubtreeHelper, (void*)aRule);
return NS_OK;
}
NS_IMETHODIMP
nsRuleNode::GetPresContext(nsIPresContext** aResult)
{
*aResult = mPresContext;
NS_IF_ADDREF(*aResult);
return NS_OK;
}
inline void
nsRuleNode::PropagateNoneBit(PRUint32 aBit, nsRuleNode* aHighestNode)
{
nsRuleNode* curr = this;
while (curr && curr != aHighestNode) {
if (curr->mNoneBits & aBit)
break;
curr->mNoneBits |= aBit;
curr = curr->mParent;
}
}
inline void
nsRuleNode::PropagateInheritBit(PRUint32 aBit, nsRuleNode* aHighestNode)
{
if (mInheritBits & aBit)
return; // Already set.
nsRuleNode* curr = this;
while (curr && curr != aHighestNode) {
curr->mInheritBits |= aBit;
curr = curr->mParent;
}
}
inline PRBool
nsRuleNode::InheritsFromParentRule(const nsStyleStructID& aSID)
{
return mInheritBits & nsCachedStyleData::GetBitForSID(aSID);
}
inline nsRuleNode::RuleDetail
nsRuleNode::CheckSpecifiedProperties(const nsStyleStructID& aSID, const nsCSSStruct& aCSSStruct)
{
switch (aSID) {
case eStyleStruct_Display:
return CheckDisplayProperties((const nsCSSDisplay&)aCSSStruct);
case eStyleStruct_Text:
return CheckTextProperties((const nsCSSText&)aCSSStruct);
case eStyleStruct_TextReset:
return CheckTextResetProperties((const nsCSSText&)aCSSStruct);
case eStyleStruct_UserInterface:
return CheckUIProperties((const nsCSSUserInterface&)aCSSStruct);
case eStyleStruct_UIReset:
return CheckUIResetProperties((const nsCSSUserInterface&)aCSSStruct);
case eStyleStruct_Visibility:
return CheckVisibilityProperties((const nsCSSDisplay&)aCSSStruct);
case eStyleStruct_Font:
return CheckFontProperties((const nsCSSFont&)aCSSStruct);
case eStyleStruct_Color:
return CheckColorProperties((const nsCSSColor&)aCSSStruct);
case eStyleStruct_Background:
return CheckBackgroundProperties((const nsCSSColor&)aCSSStruct);
case eStyleStruct_Margin:
return CheckMarginProperties((const nsCSSMargin&)aCSSStruct);
case eStyleStruct_Border:
return CheckBorderProperties((const nsCSSMargin&)aCSSStruct);
case eStyleStruct_Padding:
return CheckPaddingProperties((const nsCSSMargin&)aCSSStruct);
case eStyleStruct_Outline:
return CheckOutlineProperties((const nsCSSMargin&)aCSSStruct);
case eStyleStruct_List:
return CheckListProperties((const nsCSSList&)aCSSStruct);
case eStyleStruct_Position:
return CheckPositionProperties((const nsCSSPosition&)aCSSStruct);
case eStyleStruct_Table:
return CheckTableProperties((const nsCSSTable&)aCSSStruct);
case eStyleStruct_TableBorder:
return CheckTableBorderProperties((const nsCSSTable&)aCSSStruct);
case eStyleStruct_Content:
return CheckContentProperties((const nsCSSContent&)aCSSStruct);
case eStyleStruct_Quotes:
return CheckQuotesProperties((const nsCSSContent&)aCSSStruct);
#ifdef INCLUDE_XUL
case eStyleStruct_XUL:
return CheckXULProperties((const nsCSSXUL&)aCSSStruct);
#endif
case eStyleStruct_BorderPaddingShortcut:
NS_ERROR("unexpected SID");
}
return eRuleNone;
}
const nsStyleStruct*
nsRuleNode::GetDisplayData(nsIStyleContext* aContext)
{
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);
displayData.mClip = nsnull;
return res;
}
const nsStyleStruct*
nsRuleNode::GetVisibilityData(nsIStyleContext* aContext)
{
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);
}
const nsStyleStruct*
nsRuleNode::GetTextData(nsIStyleContext* aContext)
{
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);
}
const nsStyleStruct*
nsRuleNode::GetTextResetData(nsIStyleContext* aContext)
{
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);
}
const nsStyleStruct*
nsRuleNode::GetUIData(nsIStyleContext* aContext)
{
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);
uiData.mCursor = nsnull;
return res;
}
const nsStyleStruct*
nsRuleNode::GetUIResetData(nsIStyleContext* aContext)
{
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);
uiData.mKeyEquivalent = nsnull;
return res;
}
const nsStyleStruct*
nsRuleNode::GetFontData(nsIStyleContext* aContext)
{
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);
}
const nsStyleStruct*
nsRuleNode::GetColorData(nsIStyleContext* aContext)
{
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);
}
const nsStyleStruct*
nsRuleNode::GetBackgroundData(nsIStyleContext* aContext)
{
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);
}
const nsStyleStruct*
nsRuleNode::GetMarginData(nsIStyleContext* aContext)
{
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);
marginData.mMargin = nsnull;
return res;
}
const nsStyleStruct*
nsRuleNode::GetBorderData(nsIStyleContext* aContext)
{
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;
marginData.mBorderWidth = &borderWidth;
marginData.mBorderColor = &borderColor;
marginData.mBorderStyle = &borderStyle;
marginData.mBorderRadius = &borderRadius;
const nsStyleStruct* res = WalkRuleTree(eStyleStruct_Border, aContext, &ruleData, &marginData);
marginData.mBorderWidth = marginData.mBorderColor = marginData.mBorderStyle = marginData.mBorderRadius = nsnull;
return res;
}
const nsStyleStruct*
nsRuleNode::GetPaddingData(nsIStyleContext* aContext)
{
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);
marginData.mPadding = nsnull;
return res;
}
const nsStyleStruct*
nsRuleNode::GetOutlineData(nsIStyleContext* aContext)
{
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);
marginData.mOutlineRadius = nsnull;
return res;
}
const nsStyleStruct*
nsRuleNode::GetListData(nsIStyleContext* aContext)
{
nsCSSList listData; // Declare a struct with null CSS values.
nsRuleData ruleData(eStyleStruct_List, mPresContext, aContext);
ruleData.mListData = &listData;
return WalkRuleTree(eStyleStruct_List, aContext, &ruleData, &listData);
}
const nsStyleStruct*
nsRuleNode::GetPositionData(nsIStyleContext* aContext)
{
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);
posData.mOffset = nsnull;
return res;
}
const nsStyleStruct*
nsRuleNode::GetTableData(nsIStyleContext* aContext)
{
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);
}
const nsStyleStruct*
nsRuleNode::GetTableBorderData(nsIStyleContext* aContext)
{
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);
}
const nsStyleStruct*
nsRuleNode::GetContentData(nsIStyleContext* aContext)
{
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);
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)
{
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);
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)
{
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);
}
#endif
const nsStyleStruct*
nsRuleNode::WalkRuleTree(const nsStyleStructID& aSID, nsIStyleContext* aContext,
nsRuleData* aRuleData,
nsCSSStruct* aSpecificData)
{
// We start at the most specific rule in the tree.
nsStyleStruct* startStruct = nsnull;
nsCOMPtr<nsIStyleRule> rule = mRule;
nsRuleNode* ruleNode = this;
nsRuleNode* highestNode = nsnull;
nsRuleNode* rootNode = this;
RuleDetail detail = eRuleNone;
PRUint32 bit = nsCachedStyleData::GetBitForSID(aSID);
while (ruleNode) {
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.
// 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;
// Failing the following test mean that we have specified no rule information yet
// along this branch, but some ancestor in the rule tree actually has the data. We
// continue walking up the rule tree without asking the style rules for any information
// (since the bit being set tells us that the rules aren't going to supply any info anyway.
if (!(detail == eRuleNone && ruleNode->mInheritBits & bit)) {
// Ask the rule to fill in the properties that it specifies.
ruleNode->GetRule(getter_AddRefs(rule));
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 != oldDetail)
highestNode = ruleNode;
if (detail == eRuleFullMixed || detail == eRuleFullInherited)
break; // We don't need to examine any more rules. All properties have been fully specified.
}
rootNode = ruleNode;
ruleNode = ruleNode->mParent; // Climb up to the next rule in the tree (a less specific rule).
}
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.
PropagateInheritBit(bit, ruleNode);
if (eStyleStruct_Background == aSID && aRuleData->mPostResolveCallback)
(*aRuleData->mPostResolveCallback) ((nsStyleStruct *)startStruct, aRuleData);
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 down to our node indicating that no non-inherited data
// was specified.
if (detail == eRuleNone)
PropagateNoneBit(bit, ruleNode);
// 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 = getter_AddRefs(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);
aContext->SetStyle(aSID, *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.
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;
}
const nsStyleStruct*
nsRuleNode::SetDefaultOnRoot(const nsStyleStructID& aSID, nsIStyleContext* aContext)
{
switch (aSID) {
case eStyleStruct_Font:
{
const nsFont& defaultFont = mPresContext->GetDefaultFontDeprecated();
const nsFont& defaultFixedFont = mPresContext->GetDefaultFixedFontDeprecated();
nsStyleFont* fontData = new (mPresContext) nsStyleFont(defaultFont, defaultFixedFont);
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
case eStyleStruct_BorderPaddingShortcut:
NS_ERROR("unexpected SID");
}
return nsnull;
}
nsRuleNode::ComputeStyleDataFn
nsRuleNode::gComputeStyleDataFn[] = {
// Note that these must line up _exactly_ with the numeric values of
// the nsStyleStructID enum.
nsnull,
&nsRuleNode::ComputeFontData,
&nsRuleNode::ComputeColorData,
&nsRuleNode::ComputeBackgroundData,
&nsRuleNode::ComputeListData,
&nsRuleNode::ComputePositionData,
&nsRuleNode::ComputeTextData,
&nsRuleNode::ComputeTextResetData,
&nsRuleNode::ComputeDisplayData,
&nsRuleNode::ComputeVisibilityData,
&nsRuleNode::ComputeContentData,
&nsRuleNode::ComputeQuotesData,
&nsRuleNode::ComputeUIData,
&nsRuleNode::ComputeUIResetData,
&nsRuleNode::ComputeTableData,
&nsRuleNode::ComputeTableBorderData,
&nsRuleNode::ComputeMarginData,
&nsRuleNode::ComputePaddingData,
&nsRuleNode::ComputeBorderData,
&nsRuleNode::ComputeOutlineData,
#ifdef INCLUDE_XUL
&nsRuleNode::ComputeXULData,
#endif
nsnull
};
const nsStyleStruct*
nsRuleNode::ComputeFontData(nsStyleStruct* aStartStruct, const nsCSSStruct& aData,
nsIStyleContext* aContext,
nsRuleNode* aHighestNode,
const RuleDetail& aRuleDetail, PRBool aInherited)
{
#ifdef DEBUG_hyatt
printf("NEW FONT CREATED!\n");
#endif
nsCOMPtr<nsIStyleContext> parentContext = getter_AddRefs(aContext->GetParent());
const nsFont& defaultFont = mPresContext->GetDefaultFontDeprecated();
const nsFont& defaultFixedFont = mPresContext->GetDefaultFixedFontDeprecated();
const nsCSSFont& fontData = NS_STATIC_CAST(const nsCSSFont&, aData);
nsStyleFont* font = nsnull;
nsStyleFont* parentFont = font;
PRBool inherited = aInherited;
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 {
if (aRuleDetail != eRuleFullMixed) {
// No question. We will have to inherit. Go ahead and init
// with inherited vals from parent.
inherited = PR_TRUE;
if (parentContext)
parentFont = (nsStyleFont*)parentContext->GetStyleData(eStyleStruct_Font);
if (parentFont)
font = new (mPresContext) nsStyleFont(*parentFont);
}
}
if (!font)
font = parentFont = new (mPresContext) nsStyleFont(defaultFont, defaultFixedFont);
// font-family: string list, enum, inherit
if (eCSSUnit_String == fontData.mFamily.GetUnit()) {
nsCOMPtr<nsIDeviceContext> dc;
mPresContext->GetDeviceContext(getter_AddRefs(dc));
if (dc) {
nsAutoString familyList;
fontData.mFamily.GetStringValue(familyList);
font->mFont.name = familyList;
nsAutoString face;
// MJA: bug 31816
// if we are not using document fonts, but this is a xul document,
// then we set the chromeOverride bit so we use the document fonts anyway
PRBool chromeOverride = PR_FALSE;
PRBool useDocumentFonts = PR_TRUE;
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;
else {
// see if we are in the chrome, if so, use the document fonts (override the useDocFonts setting)
nsresult result = NS_OK;
nsCOMPtr<nsISupports> container;
result = mPresContext->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)){
if (nsIDocShellTreeItem::typeChrome == docShellType){
chromeOverride = PR_TRUE;
}
}
}
}
}
}
// find the correct font if we are usingDocumentFonts OR we are overriding for XUL
// MJA: bug 31816
PRBool isMozFixed = font->mFont.name.EqualsIgnoreCase("-moz-fixed");
if (chromeOverride || useDocumentFonts) {
font->mFont.name += nsAutoString(NS_LITERAL_STRING(",")) + defaultFont.name;
font->mFixedFont.name += nsAutoString(NS_LITERAL_STRING(",")) + defaultFixedFont.name;
}
else {
// now set to defaults
font->mFont.name = defaultFont.name;
font->mFixedFont.name = defaultFixedFont.name;
}
// set to monospace if using moz-fixed
if (isMozFixed)
font->mFlags |= NS_STYLE_FONT_USE_FIXED;
else
font->mFlags &= ~NS_STYLE_FONT_USE_FIXED;
font->mFlags |= NS_STYLE_FONT_FACE_EXPLICIT;
}
}
else if (eCSSUnit_Enumerated == fontData.mFamily.GetUnit()) {
nsSystemAttrID sysID;
switch (fontData.mFamily.GetIntValue()) {
// If you add fonts to this list, you need to also patch the list
// in CheckFontProperties (also in this file above).
case NS_STYLE_FONT_CAPTION: sysID = eSystemAttr_Font_Caption; break; // css2
case NS_STYLE_FONT_ICON: sysID = eSystemAttr_Font_Icon; break;
case NS_STYLE_FONT_MENU: sysID = eSystemAttr_Font_Menu; break;
case NS_STYLE_FONT_MESSAGE_BOX: sysID = eSystemAttr_Font_MessageBox; break;
case NS_STYLE_FONT_SMALL_CAPTION: sysID = eSystemAttr_Font_SmallCaption; break;
case NS_STYLE_FONT_STATUS_BAR: sysID = eSystemAttr_Font_StatusBar; break;
case NS_STYLE_FONT_WINDOW: sysID = eSystemAttr_Font_Window; break; // css3
case NS_STYLE_FONT_DOCUMENT: sysID = eSystemAttr_Font_Document; break;
case NS_STYLE_FONT_WORKSPACE: sysID = eSystemAttr_Font_Workspace; break;
case NS_STYLE_FONT_DESKTOP: sysID = eSystemAttr_Font_Desktop; break;
case NS_STYLE_FONT_INFO: sysID = eSystemAttr_Font_Info; break;
case NS_STYLE_FONT_DIALOG: sysID = eSystemAttr_Font_Dialog; break;
case NS_STYLE_FONT_BUTTON: sysID = eSystemAttr_Font_Button; break;
case NS_STYLE_FONT_PULL_DOWN_MENU:sysID = eSystemAttr_Font_PullDownMenu; break;
case NS_STYLE_FONT_LIST: sysID = eSystemAttr_Font_List; break;
case NS_STYLE_FONT_FIELD: sysID = eSystemAttr_Font_Field; break;
}
nsCompatibility mode;
mPresContext->GetCompatibilityMode(&mode);
nsCOMPtr<nsIDeviceContext> dc;
mPresContext->GetDeviceContext(getter_AddRefs(dc));
if (dc) {
SystemAttrStruct sysInfo;
sysInfo.mFont = &font->mFont;
font->mFont.size = defaultFont.size; // GetSystemAttribute sets the font face but not necessarily the size
if (NS_FAILED(dc->GetSystemAttribute(sysID, &sysInfo))) {
font->mFont.name = defaultFont.name;
font->mFixedFont.name = defaultFixedFont.name;
}
font->mFlags |= NS_STYLE_FONT_FACE_EXPLICIT;
}
// NavQuirks uses sans-serif instead of whatever the native font is
#ifdef XP_MAC
if (eCompatibility_NavQuirks == mode) {
switch (sysID) {
case eSystemAttr_Font_Field:
case eSystemAttr_Font_List:
font->mFont.name.AssignWithConversion("monospace");
font->mFont.size = defaultFixedFont.size;
break;
case eSystemAttr_Font_Button:
font->mFont.name.AssignWithConversion("serif");
font->mFont.size = defaultFont.size;
break;
}
}
#endif
#ifdef XP_PC
//
// 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)
//
// For NavQuirks:
// We always use the monospace font and whatever
// the "fixed" font size this that is set by the browser
//
// For Standard/Strict Mode:
// 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 eSystemAttr_Font_Field:
if (eCompatibility_NavQuirks == mode) {
font->mFont.name.AssignWithConversion("monospace");
font->mFont.size = defaultFixedFont.size;
} else {
// Assumption: system defined font is proportional
font->mFont.size = PR_MAX(defaultFont.size - NSIntPointsToTwips(2), 0);
}
break;
//
// Button and Selects (listboxes/comboboxes)
//
// For NavQuirks:
// We always use the sans-serif font and 2 point point sizes smaller
// that whatever the "proportional" font size this that is set by the browser
//
// For Standard/Strict Mode:
// 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 eSystemAttr_Font_Button:
case eSystemAttr_Font_List:
if (eCompatibility_NavQuirks == mode) {
font->mFont.name.AssignWithConversion("sans-serif");
}
// Assumption: system defined font is proportional
font->mFont.size = PR_MAX(defaultFont.size - NSIntPointsToTwips(2), 0);
break;
}
#endif
#ifdef XP_UNIX
if (eCompatibility_NavQuirks == mode) {
switch (sysID) {
case eSystemAttr_Font_Field:
font->mFont.name.AssignWithConversion("monospace");
font->mFont.size = defaultFixedFont.size;
break;
case eSystemAttr_Font_Button:
case eSystemAttr_Font_List:
font->mFont.name.AssignWithConversion("serif");
font->mFont.size = defaultFont.size;
break;
default:
NS_ERROR("unexpected SID");
}
}
#endif
}
else if (eCSSUnit_Inherit == fontData.mFamily.GetUnit()) {
if (parentContext && !inherited) {
inherited = PR_TRUE;
parentFont = (nsStyleFont*)parentContext->GetStyleData(eStyleStruct_Font);
}
font->mFont.name = parentFont->mFont.name;
font->mFixedFont.name = parentFont->mFixedFont.name;
font->mFlags &= ~(NS_STYLE_FONT_FACE_EXPLICIT | NS_STYLE_FONT_USE_FIXED);
font->mFlags |= (parentFont->mFlags & (NS_STYLE_FONT_FACE_EXPLICIT | NS_STYLE_FONT_USE_FIXED));
}
else if (eCSSUnit_Initial == fontData.mFamily.GetUnit()) {
font->mFont.name = defaultFont.name;
font->mFixedFont.name = defaultFixedFont.name;
}
// font-style: enum, normal, inherit
if (eCSSUnit_Enumerated == fontData.mStyle.GetUnit()) {
font->mFont.style = fontData.mStyle.GetIntValue();
font->mFixedFont.style = fontData.mStyle.GetIntValue();
}
else if (eCSSUnit_Normal == fontData.mStyle.GetUnit()) {
font->mFont.style = NS_STYLE_FONT_STYLE_NORMAL;
font->mFixedFont.style = NS_STYLE_FONT_STYLE_NORMAL;
}
else if (eCSSUnit_Inherit == fontData.mStyle.GetUnit()) {
if (parentContext && !inherited) {
inherited = PR_TRUE;
parentFont = (nsStyleFont*)parentContext->GetStyleData(eStyleStruct_Font);
}
font->mFont.style = parentFont->mFont.style;
font->mFixedFont.style = parentFont->mFixedFont.style;
}
else if (eCSSUnit_Initial == fontData.mStyle.GetUnit()) {
font->mFont.style = defaultFont.style;
font->mFixedFont.style = defaultFixedFont.style;
}
// font-variant: enum, normal, inherit
if (eCSSUnit_Enumerated == fontData.mVariant.GetUnit()) {
font->mFont.variant = fontData.mVariant.GetIntValue();
font->mFixedFont.variant = fontData.mVariant.GetIntValue();
}
else if (eCSSUnit_Normal == fontData.mVariant.GetUnit()) {
font->mFont.variant = NS_STYLE_FONT_VARIANT_NORMAL;
font->mFixedFont.variant = NS_STYLE_FONT_VARIANT_NORMAL;
}
else if (eCSSUnit_Inherit == fontData.mVariant.GetUnit()) {
if (parentContext && !inherited) {
inherited = PR_TRUE;
parentFont = (nsStyleFont*)parentContext->GetStyleData(eStyleStruct_Font);
}
font->mFont.variant = parentFont->mFont.variant;
font->mFixedFont.variant = parentFont->mFixedFont.variant;
}
else if (eCSSUnit_Initial == fontData.mVariant.GetUnit()) {
font->mFont.variant = defaultFont.variant;
font->mFixedFont.variant = defaultFixedFont.variant;
}
// font-weight: int, enum, normal, inherit
if (eCSSUnit_Integer == fontData.mWeight.GetUnit()) {
font->mFont.weight = fontData.mWeight.GetIntValue();
font->mFixedFont.weight = fontData.mWeight.GetIntValue();
}
else if (eCSSUnit_Enumerated == fontData.mWeight.GetUnit()) {
PRInt32 value = fontData.mWeight.GetIntValue();
switch (value) {
case NS_STYLE_FONT_WEIGHT_NORMAL:
case NS_STYLE_FONT_WEIGHT_BOLD:
font->mFont.weight = value;
font->mFixedFont.weight = value;
break;
case NS_STYLE_FONT_WEIGHT_BOLDER:
case NS_STYLE_FONT_WEIGHT_LIGHTER:
if (parentContext && !inherited) {
inherited = PR_TRUE;
parentFont = (nsStyleFont*)parentContext->GetStyleData(eStyleStruct_Font);
}
font->mFont.weight = nsStyleUtil::ConstrainFontWeight(parentFont->mFont.weight + value);
font->mFixedFont.weight = nsStyleUtil::ConstrainFontWeight(parentFont->mFixedFont.weight + value);
break;
}
}
else if (eCSSUnit_Normal == fontData.mWeight.GetUnit()) {
font->mFont.weight = NS_STYLE_FONT_WEIGHT_NORMAL;
font->mFixedFont.weight = NS_STYLE_FONT_WEIGHT_NORMAL;
}
else if (eCSSUnit_Inherit == fontData.mWeight.GetUnit()) {
if (parentContext && !inherited) {
inherited = PR_TRUE;
parentFont = (nsStyleFont*)parentContext->GetStyleData(eStyleStruct_Font);
}
font->mFont.weight = parentFont->mFont.weight;
font->mFixedFont.weight = parentFont->mFixedFont.weight;
}
else if (eCSSUnit_Initial == fontData.mWeight.GetUnit()) {
font->mFont.weight = defaultFont.weight;
font->mFixedFont.weight = defaultFixedFont.weight;
}
// font-size: enum, length, percent, inherit
if (eCSSUnit_Enumerated == fontData.mSize.GetUnit()) {
PRInt32 value = fontData.mSize.GetIntValue();
PRInt32 scaler;
mPresContext->GetFontScaler(&scaler);
float scaleFactor = nsStyleUtil::GetScalingFactor(scaler);
if (parentContext && !inherited) {
inherited = PR_TRUE;
parentFont = (nsStyleFont*)parentContext->GetStyleData(eStyleStruct_Font);
}
if ((NS_STYLE_FONT_SIZE_XXSMALL <= value) &&
(value <= NS_STYLE_FONT_SIZE_XXLARGE)) {
font->mFont.size = nsStyleUtil::CalcFontPointSize(value, (PRInt32)defaultFont.size, scaleFactor, mPresContext, eFontSize_CSS);
font->mFixedFont.size = nsStyleUtil::CalcFontPointSize(value, (PRInt32)defaultFixedFont.size, scaleFactor, mPresContext, 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.
font->mFont.size = nsStyleUtil::CalcFontPointSize(value, (PRInt32)defaultFont.size, scaleFactor, mPresContext);
font->mFixedFont.size = nsStyleUtil::CalcFontPointSize(value, (PRInt32)defaultFixedFont.size, scaleFactor, mPresContext);
}
else if (NS_STYLE_FONT_SIZE_LARGER == value) {
PRInt32 index = nsStyleUtil::FindNextLargerFontSize(parentFont->mFont.size, (PRInt32)defaultFont.size, scaleFactor, mPresContext, eFontSize_CSS);
nscoord largerSize = nsStyleUtil::CalcFontPointSize(index, (PRInt32)defaultFont.size, scaleFactor, mPresContext, eFontSize_CSS);
nscoord largerFixedSize = nsStyleUtil::CalcFontPointSize(index, (PRInt32)defaultFixedFont.size, scaleFactor, mPresContext, eFontSize_CSS);
font->mFont.size = PR_MAX(largerSize, parentFont->mFont.size);
font->mFixedFont.size = PR_MAX(largerFixedSize, parentFont->mFixedFont.size);
}
else if (NS_STYLE_FONT_SIZE_SMALLER == value) {
PRInt32 index = nsStyleUtil::FindNextSmallerFontSize(parentFont->mFont.size, (PRInt32)defaultFont.size, scaleFactor, mPresContext, eFontSize_CSS);
nscoord smallerSize = nsStyleUtil::CalcFontPointSize(index, (PRInt32)defaultFont.size, scaleFactor, mPresContext, eFontSize_CSS);
nscoord smallerFixedSize = nsStyleUtil::CalcFontPointSize(index, (PRInt32)defaultFixedFont.size, scaleFactor, mPresContext, eFontSize_CSS);
font->mFont.size = PR_MIN(smallerSize, parentFont->mFont.size);
font->mFixedFont.size = PR_MIN(smallerFixedSize, parentFont->mFixedFont.size);
}
// this does NOT explicitly set font size
font->mFlags &= ~NS_STYLE_FONT_SIZE_EXPLICIT;
}
else if (fontData.mSize.IsLengthUnit()) {
if (parentContext && !inherited)
parentFont = (nsStyleFont*)parentContext->GetStyleData(eStyleStruct_Font);
font->mFont.size = CalcLength(fontData.mSize, &parentFont->mFont, nsnull, mPresContext, inherited);
font->mFixedFont.size = CalcLength(fontData.mSize, &parentFont->mFixedFont, nsnull, mPresContext, inherited);
font->mFlags |= NS_STYLE_FONT_SIZE_EXPLICIT;
}
else if (eCSSUnit_Percent == fontData.mSize.GetUnit()) {
if (parentContext && !inherited) {
inherited = PR_TRUE;
parentFont = (nsStyleFont*)parentContext->GetStyleData(eStyleStruct_Font);
}
font->mFont.size = (nscoord)((float)(parentFont->mFont.size) * fontData.mSize.GetPercentValue());
font->mFixedFont.size = (nscoord)((float)(parentFont->mFixedFont.size) * fontData.mSize.GetPercentValue());
font->mFlags |= NS_STYLE_FONT_SIZE_EXPLICIT;
}
else if (eCSSUnit_Inherit == fontData.mSize.GetUnit()) {
if (parentContext && !inherited) {
inherited = PR_TRUE;
parentFont = (nsStyleFont*)parentContext->GetStyleData(eStyleStruct_Font);
}
font->mFont.size = parentFont->mFont.size;
font->mFixedFont.size = parentFont->mFixedFont.size;
font->mFlags &= ~NS_STYLE_FONT_SIZE_EXPLICIT;
font->mFlags |= (parentFont->mFlags & NS_STYLE_FONT_SIZE_EXPLICIT);
}
else if (eCSSUnit_Initial == fontData.mSize.GetUnit()) {
font->mFont.size = defaultFont.size;
font->mFixedFont.size = defaultFixedFont.size;
}
if (font->mFlags & NS_STYLE_FONT_USE_FIXED)
font->mFont = font->mFixedFont;
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.
PropagateInheritBit(NS_STYLE_INHERIT_FONT, aHighestNode);
}
return font;
}
const nsStyleStruct*
nsRuleNode::ComputeTextData(nsStyleStruct* aStartStruct, const nsCSSStruct& aData,
nsIStyleContext* aContext,
nsRuleNode* aHighestNode,
const RuleDetail& aRuleDetail, PRBool aInherited)
{
#ifdef DEBUG_hyatt
printf("NEW TEXT CREATED!\n");
#endif
nsCOMPtr<nsIStyleContext> parentContext = getter_AddRefs(aContext->GetParent());
const nsCSSText& textData = NS_STATIC_CAST(const nsCSSText&, aData);
nsStyleText* text = nsnull;
nsStyleText* parentText = text;
PRBool inherited = aInherited;
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 {
if (aRuleDetail != eRuleFullMixed) {
// No question. We will have to inherit. Go ahead and init
// with inherited vals from parent.
inherited = PR_TRUE;
if (parentContext)
parentText = (nsStyleText*)parentContext->GetStyleData(eStyleStruct_Text);
if (parentText) {
text = new (mPresContext) nsStyleText(*parentText);
// Percentage line heights are not inherited. We need to change the value
// of line-height to inherit.
nsStyleUnit unit = text->mLineHeight.GetUnit();
if (unit != eStyleUnit_Normal && unit != eStyleUnit_Factor && unit != eStyleUnit_Coord)
text->mLineHeight.SetInheritValue();
}
}
}
if (!text)
text = parentText = new (mPresContext) nsStyleText();
// 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
SetCoord(textData.mLineHeight, text->mLineHeight, parentText->mLineHeight,
SETCOORD_LPFHN, aContext, mPresContext, inherited);
// 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.
PropagateInheritBit(NS_STYLE_INHERIT_TEXT, aHighestNode);
}
return text;
}
const nsStyleStruct*
nsRuleNode::ComputeTextResetData(nsStyleStruct* aStartData, const nsCSSStruct& aData,
nsIStyleContext* aContext,
nsRuleNode* aHighestNode,
const RuleDetail& aRuleDetail, PRBool aInherited)
{
#ifdef DEBUG_hyatt
printf("NEW TEXT CREATED!\n");
#endif
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)
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;
}
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->mTextData = text;
// Propagate the bit down.
PropagateInheritBit(NS_STYLE_INHERIT_TEXT_RESET, aHighestNode);
}
return text;
}
const nsStyleStruct*
nsRuleNode::ComputeUIData(nsStyleStruct* aStartData, const nsCSSStruct& aData,
nsIStyleContext* aContext,
nsRuleNode* aHighestNode,
const RuleDetail& aRuleDetail, PRBool aInherited)
{
#ifdef DEBUG_hyatt
printf("NEW TEXT CREATED!\n");
#endif
nsCOMPtr<nsIStyleContext> parentContext = getter_AddRefs(aContext->GetParent());
const nsCSSUserInterface& uiData = NS_STATIC_CAST(const nsCSSUserInterface&, aData);
nsStyleUserInterface* ui = nsnull;
nsStyleUserInterface* parentUI = ui;
PRBool inherited = aInherited;
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 {
if (aRuleDetail != eRuleFullMixed) {
// No question. We will have to inherit. Go ahead and init
// with inherited vals from parent.
inherited = PR_TRUE;
if (parentContext)
parentUI = (nsStyleUserInterface*)parentContext->GetStyleData(eStyleStruct_UserInterface);
if (parentUI)
ui = new (mPresContext) nsStyleUserInterface(*parentUI);
}
}
if (!ui)
ui = parentUI = new (mPresContext) nsStyleUserInterface();
// 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->mUIData = ui;
// Propagate the bit down.
PropagateInheritBit(NS_STYLE_INHERIT_UI, aHighestNode);
}
return ui;
}
const nsStyleStruct*
nsRuleNode::ComputeUIResetData(nsStyleStruct* aStartData, const nsCSSStruct& aData,
nsIStyleContext* aContext,
nsRuleNode* aHighestNode,
const RuleDetail& aRuleDetail, PRBool aInherited)
{
#ifdef DEBUG_hyatt
printf("NEW TEXT CREATED!\n");
#endif
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();
nsStyleUIReset* parentUI = ui;
if (parentContext)
parentUI = (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;
}
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->mUIData = ui;
// Propagate the bit down.
PropagateInheritBit(NS_STYLE_INHERIT_UI_RESET, aHighestNode);
}
return ui;
}
const nsStyleStruct*
nsRuleNode::ComputeDisplayData(nsStyleStruct* aStartStruct, const nsCSSStruct& aData,
nsIStyleContext* aContext,
nsRuleNode* aHighestNode,
const RuleDetail& aRuleDetail, PRBool aInherited)
{
#ifdef DEBUG_hyatt
printf("NEW DISPLAY CREATED!\n");
#endif
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();
nsStyleDisplay* parentDisplay = display;
if (parentContext)
parentDisplay = (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;
}
// 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();
if (display->mPosition != NS_STYLE_POSITION_NORMAL) {
// :before and :after elts cannot be positioned. We need to check for this
// case.
nsCOMPtr<nsIAtom> tag;
aContext->GetPseudoType(*getter_AddRefs(tag));
if (tag && tag.get() == nsCSSAtoms::beforePseudo || tag.get() == nsCSSAtoms::afterPseudo)
display->mPosition = NS_STYLE_POSITION_NORMAL;
}
}
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;
}
// 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()) {
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 = NS_STYLE_CLIP_INHERIT;
}
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.
PropagateInheritBit(NS_STYLE_INHERIT_DISPLAY, aHighestNode);
}
// CSS2 specified fixups:
// 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->mDisplay != NS_STYLE_DISPLAY_NONE &&
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() && display->mDisplay != NS_STYLE_DISPLAY_NONE) {
EnsureBlockDisplay(display->mDisplay);
display->mFloats = NS_STYLE_FLOAT_NONE;
}
nsCOMPtr<nsIAtom> tag;
aContext->GetPseudoType(*getter_AddRefs(tag));
if (tag && tag.get() == nsCSSAtoms::beforePseudo || tag.get() == nsCSSAtoms::afterPseudo) {
PRUint8 displayValue = display->mDisplay;
if (parentDisplay->IsBlockLevel()) {
// For block-level elements the only allowed 'display' values are:
// 'none', 'inline', 'block', and 'marker'
if ((NS_STYLE_DISPLAY_INLINE != displayValue) &&
(NS_STYLE_DISPLAY_BLOCK != displayValue) &&
(NS_STYLE_DISPLAY_MARKER != displayValue)) {
// Pseudo-element behaves as if the value were 'block'
displayValue = NS_STYLE_DISPLAY_BLOCK;
}
} else {
// For inline-level elements the only allowed 'display' values are
// 'none' and 'inline'
displayValue = NS_STYLE_DISPLAY_INLINE;
}
if (display->mDisplay != displayValue) {
// Reset the value
display->mDisplay = displayValue;
}
}
return display;
}
const nsStyleStruct*
nsRuleNode::ComputeVisibilityData(nsStyleStruct* aStartStruct, const nsCSSStruct& aData,
nsIStyleContext* aContext,
nsRuleNode* aHighestNode,
const RuleDetail& aRuleDetail, PRBool aInherited)
{
#ifdef DEBUG_hyatt
printf("NEW VISIBILITY CREATED!\n");
#endif
nsCOMPtr<nsIStyleContext> parentContext = getter_AddRefs(aContext->GetParent());
const nsCSSDisplay& displayData = NS_STATIC_CAST(const nsCSSDisplay&, aData);
nsStyleVisibility* visibility = nsnull;
nsStyleVisibility* parentVisibility = visibility;
PRBool inherited = aInherited;
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 {
if (aRuleDetail != eRuleFullMixed) {
// No question. We will have to inherit. Go ahead and init
// with inherited vals from parent.
inherited = PR_TRUE;
if (parentContext)
parentVisibility = (nsStyleVisibility*)parentContext->GetStyleData(eStyleStruct_Visibility);
if (parentVisibility)
visibility = new (mPresContext) nsStyleVisibility(*parentVisibility);
}
}
if (!visibility)
visibility = parentVisibility = new (mPresContext) nsStyleVisibility(mPresContext);
// 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;
}
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.
PropagateInheritBit(NS_STYLE_INHERIT_VISIBILITY, aHighestNode);
}
return visibility;
}
const nsStyleStruct*
nsRuleNode::ComputeColorData(nsStyleStruct* aStartStruct, const nsCSSStruct& aData,
nsIStyleContext* aContext,
nsRuleNode* aHighestNode,
const RuleDetail& aRuleDetail, PRBool aInherited)
{
#ifdef DEBUG_hyatt
printf("NEW COLOR CREATED!\n");
#endif
nsCOMPtr<nsIStyleContext> parentContext = getter_AddRefs(aContext->GetParent());
const nsCSSColor& colorData = NS_STATIC_CAST(const nsCSSColor&, aData);
nsStyleColor* color = nsnull;
nsStyleColor* parentColor = color;
PRBool inherited = aInherited;
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 {
if (aRuleDetail != eRuleFullMixed) {
// No question. We will have to inherit. Go ahead and init
// with inherited vals from parent.
inherited = PR_TRUE;
if (parentContext)
parentColor = (nsStyleColor*)parentContext->GetStyleData(eStyleStruct_Color);
if (parentColor)
color = new (mPresContext) nsStyleColor(*parentColor);
}
}
if (!color)
color = parentColor = new (mPresContext) nsStyleColor(mPresContext);
// 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.
PropagateInheritBit(NS_STYLE_INHERIT_COLOR, aHighestNode);
}
return color;
}
const nsStyleStruct*
nsRuleNode::ComputeBackgroundData(nsStyleStruct* aStartStruct, const nsCSSStruct& aData,
nsIStyleContext* aContext,
nsRuleNode* aHighestNode,
const RuleDetail& aRuleDetail, PRBool aInherited)
{
#ifdef DEBUG_hyatt
printf("NEW BACKGROUND CREATED!\n");
#endif
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);
nsStyleBackground* parentBG = bg;
if (parentContext)
parentBG = (nsStyleBackground*)parentContext->GetStyleData(eStyleStruct_Background);
PRBool inherited = aInherited;
// background-color: color, string, enum (flags), inherit
if (eCSSUnit_Inherit == colorData.mBackColor.GetUnit()) { // do inherit first, so SetColor doesn't do it
const nsStyleBackground* inheritBG = parentBG;
if (inheritBG->mBackgroundFlags & NS_STYLE_BG_PROPAGATED_TO_PARENT) {
// walk up the contexts until we get to a context that does not have its
// background propagated to its parent (or a context that has had its background
// propagated from its child)
if (nsnull != parentContext) {
nsCOMPtr<nsIStyleContext> higherContext = getter_AddRefs(parentContext->GetParent());
do {
if (higherContext) {
inheritBG = (const nsStyleBackground*)higherContext->GetStyleData(eStyleStruct_Background);
if (inheritBG &&
(!(inheritBG->mBackgroundFlags & NS_STYLE_BG_PROPAGATED_TO_PARENT)) ||
(inheritBG->mBackgroundFlags & NS_STYLE_BG_PROPAGATED_FROM_CHILD)) {
// done walking up the higher contexts
break;
}
higherContext = getter_AddRefs(higherContext->GetParent());
}
} while (higherContext);
}
}
bg->mBackgroundColor = inheritBG->mBackgroundColor;
bg->mBackgroundFlags &= ~NS_STYLE_BG_COLOR_TRANSPARENT;
bg->mBackgroundFlags |= (inheritBG->mBackgroundFlags & 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 |= (parentBG->mBackgroundFlags & 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()) {
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-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 |= (parentBG->mBackgroundFlags & (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 |= (parentBG->mBackgroundFlags & (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.
PropagateInheritBit(NS_STYLE_INHERIT_BACKGROUND, aHighestNode);
}
return bg;
}
const nsStyleStruct*
nsRuleNode::ComputeMarginData(nsStyleStruct* aStartStruct, const nsCSSStruct& aData,
nsIStyleContext* aContext,
nsRuleNode* aHighestNode,
const RuleDetail& aRuleDetail, PRBool aInherited)
{
#ifdef DEBUG_hyatt
printf("NEW MARGIN CREATED!\n");
#endif
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();
nsStyleMargin* parentMargin = margin;
if (parentContext)
parentMargin = (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.
PropagateInheritBit(NS_STYLE_INHERIT_MARGIN, aHighestNode);
}
margin->RecalcData();
return margin;
}
const nsStyleStruct*
nsRuleNode::ComputeBorderData(nsStyleStruct* aStartStruct, const nsCSSStruct& aData,
nsIStyleContext* aContext,
nsRuleNode* aHighestNode,
const RuleDetail& aRuleDetail, PRBool aInherited)
{
#ifdef DEBUG_hyatt
printf("NEW BORDER CREATED!\n");
#endif
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);
nsStyleBorder* parentBorder = border;
if (parentContext)
parentBorder = (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())
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())
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())
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())
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-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.
PropagateInheritBit(NS_STYLE_INHERIT_BORDER, aHighestNode);
}
border->RecalcData();
return border;
}
const nsStyleStruct*
nsRuleNode::ComputePaddingData(nsStyleStruct* aStartStruct, const nsCSSStruct& aData,
nsIStyleContext* aContext,
nsRuleNode* aHighestNode,
const RuleDetail& aRuleDetail, PRBool aInherited)
{
#ifdef DEBUG_hyatt
printf("NEW PADDING CREATED!\n");
#endif
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();
nsStylePadding* parentPadding = padding;
if (parentContext)
parentPadding = (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.
PropagateInheritBit(NS_STYLE_INHERIT_PADDING, aHighestNode);
}
padding->RecalcData();
return padding;
}
const nsStyleStruct*
nsRuleNode::ComputeOutlineData(nsStyleStruct* aStartStruct, const nsCSSStruct& aData,
nsIStyleContext* aContext,
nsRuleNode* aHighestNode,
const RuleDetail& aRuleDetail, PRBool aInherited)
{
#ifdef DEBUG_hyatt
printf("NEW OUTLINE CREATED!\n");
#endif
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);
nsStyleOutline* parentOutline = outline;
if (parentContext)
parentOutline = (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.
PropagateInheritBit(NS_STYLE_INHERIT_OUTLINE, aHighestNode);
}
outline->RecalcData();
return outline;
}
const nsStyleStruct*
nsRuleNode::ComputeListData(nsStyleStruct* aStartStruct, const nsCSSStruct& aData,
nsIStyleContext* aContext,
nsRuleNode* aHighestNode,
const RuleDetail& aRuleDetail, PRBool aInherited)
{
#ifdef DEBUG_hyatt
printf("NEW LIST CREATED!\n");
#endif
nsCOMPtr<nsIStyleContext> parentContext = getter_AddRefs(aContext->GetParent());
const nsCSSList& listData = NS_STATIC_CAST(const nsCSSList&, aData);
nsStyleList* list = nsnull;
nsStyleList* parentList = list;
PRBool inherited = aInherited;
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 {
if (aRuleDetail != eRuleFullMixed) {
// No question. We will have to inherit. Go ahead and init
// with inherited vals from parent.
inherited = PR_TRUE;
if (parentContext)
parentList = (nsStyleList*)parentContext->GetStyleData(eStyleStruct_List);
if (parentList)
list = new (mPresContext) nsStyleList(*parentList);
}
}
if (!list)
list = parentList = new (mPresContext) nsStyleList();
// 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;
}
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.
PropagateInheritBit(NS_STYLE_INHERIT_LIST, aHighestNode);
}
return list;
}
const nsStyleStruct*
nsRuleNode::ComputePositionData(nsStyleStruct* aStartStruct, const nsCSSStruct& aData,
nsIStyleContext* aContext,
nsRuleNode* aHighestNode,
const RuleDetail& aRuleDetail, PRBool aInherited)
{
#ifdef DEBUG_hyatt
printf("NEW POSITION CREATED!\n");
#endif
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();
nsStylePosition* parentPos = pos;
if (parentContext)
parentPos = (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.
PropagateInheritBit(NS_STYLE_INHERIT_POSITION, aHighestNode);
}
return pos;
}
const nsStyleStruct*
nsRuleNode::ComputeTableData(nsStyleStruct* aStartStruct, const nsCSSStruct& aData,
nsIStyleContext* aContext,
nsRuleNode* aHighestNode,
const RuleDetail& aRuleDetail, PRBool aInherited)
{
#ifdef DEBUG_hyatt
printf("NEW TABLE CREATED!\n");
#endif
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();
nsStyleTable* parentTable = table;
if (parentContext)
parentTable = (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.
PropagateInheritBit(NS_STYLE_INHERIT_TABLE, aHighestNode);
}
return table;
}
const nsStyleStruct*
nsRuleNode::ComputeTableBorderData(nsStyleStruct* aStartStruct, const nsCSSStruct& aData,
nsIStyleContext* aContext,
nsRuleNode* aHighestNode,
const RuleDetail& aRuleDetail, PRBool aInherited)
{
#ifdef DEBUG_hyatt
printf("NEW TABLE BORDER CREATED!\n");
#endif
nsCOMPtr<nsIStyleContext> parentContext = getter_AddRefs(aContext->GetParent());
const nsCSSTable& tableData = NS_STATIC_CAST(const nsCSSTable&, aData);
nsStyleTableBorder* table = nsnull;
nsStyleTableBorder* parentTable = table;
PRBool inherited = aInherited;
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 {
if (aRuleDetail != eRuleFullMixed) {
// No question. We will have to inherit. Go ahead and init
// with inherited vals from parent.
inherited = PR_TRUE;
if (parentContext)
parentTable = (nsStyleTableBorder*)parentContext->GetStyleData(eStyleStruct_TableBorder);
if (parentTable)
table = new (mPresContext) nsStyleTableBorder(*parentTable);
}
}
if (!table)
table = parentTable = new (mPresContext) nsStyleTableBorder(mPresContext);
// 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->mTableData = table;
// Propagate the bit down.
PropagateInheritBit(NS_STYLE_INHERIT_TABLE_BORDER, aHighestNode);
}
return table;
}
const nsStyleStruct*
nsRuleNode::ComputeContentData(nsStyleStruct* aStartStruct, const nsCSSStruct& aData,
nsIStyleContext* aContext,
nsRuleNode* aHighestNode,
const RuleDetail& aRuleDetail, PRBool aInherited)
{
#ifdef DEBUG_hyatt
printf("NEW CONTENT CREATED!\n");
#endif
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();
nsStyleContent* parentContent = content;
if (parentContext)
parentContent = (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.
PropagateInheritBit(NS_STYLE_INHERIT_CONTENT, aHighestNode);
}
return content;
}
const nsStyleStruct*
nsRuleNode::ComputeQuotesData(nsStyleStruct* aStartStruct, const nsCSSStruct& aData,
nsIStyleContext* aContext,
nsRuleNode* aHighestNode,
const RuleDetail& aRuleDetail, PRBool aInherited)
{
#ifdef DEBUG_hyatt
printf("NEW QUOTES CREATED!\n");
#endif
nsCOMPtr<nsIStyleContext> parentContext = getter_AddRefs(aContext->GetParent());
const nsCSSContent& contentData = NS_STATIC_CAST(const nsCSSContent&, aData);
nsStyleQuotes* quotes = nsnull;
nsStyleQuotes* parentQuotes = quotes;
PRBool inherited = aInherited;
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 {
if (aRuleDetail != eRuleFullMixed) {
// No question. We will have to inherit. Go ahead and init
// with inherited vals from parent.
inherited = PR_TRUE;
if (parentContext)
parentQuotes = (nsStyleQuotes*)parentContext->GetStyleData(eStyleStruct_Quotes);
if (parentQuotes)
quotes = new (mPresContext) nsStyleQuotes(*parentQuotes);
}
}
if (!quotes)
quotes = parentQuotes = new (mPresContext) nsStyleQuotes();
// 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.
PropagateInheritBit(NS_STYLE_INHERIT_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)
{
#ifdef DEBUG_hyatt
printf("NEW XUL CREATED!\n");
#endif
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();
nsStyleXUL* parentXUL = xul;
if (parentContext)
parentXUL = (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;
}
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.
PropagateInheritBit(NS_STYLE_INHERIT_XUL, aHighestNode);
}
return xul;
}
#endif
static void
ExamineRectProperties(const nsCSSRect* aRect, PRUint32& aTotalCount, PRUint32& aInheritedCount)
{
if (!aRect)
return;
if (eCSSUnit_Null != aRect->mLeft.GetUnit()) {
aTotalCount++;
if (eCSSUnit_Inherit == aRect->mLeft.GetUnit())
aInheritedCount++;
}
if (eCSSUnit_Null != aRect->mTop.GetUnit()) {
aTotalCount++;
if (eCSSUnit_Inherit == aRect->mTop.GetUnit())
aInheritedCount++;
}
if (eCSSUnit_Null != aRect->mRight.GetUnit()) {
aTotalCount++;
if (eCSSUnit_Inherit == aRect->mRight.GetUnit())
aInheritedCount++;
}
if (eCSSUnit_Null != aRect->mBottom.GetUnit()) {
aTotalCount++;
if (eCSSUnit_Inherit == aRect->mBottom.GetUnit())
aInheritedCount++;
}
}
inline nsRuleNode::RuleDetail
nsRuleNode::CheckFontProperties(const nsCSSFont& aFontData)
{
const PRUint32 numFontProps = 5;
PRUint32 totalCount=0;
PRUint32 inheritCount=0;
if (eCSSUnit_Null != aFontData.mFamily.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aFontData.mFamily.GetUnit())
inheritCount++;
if (eCSSUnit_Enumerated == aFontData.mFamily.GetUnit()) {
// A special case. We treat this as a fully specified font,
// since no other font props are legal with a system font.
switch (aFontData.mFamily.GetIntValue()) {
case NS_STYLE_FONT_CAPTION:
case NS_STYLE_FONT_ICON:
case NS_STYLE_FONT_MENU:
case NS_STYLE_FONT_MESSAGE_BOX:
case NS_STYLE_FONT_SMALL_CAPTION:
case NS_STYLE_FONT_STATUS_BAR:
case NS_STYLE_FONT_WINDOW:
case NS_STYLE_FONT_DOCUMENT:
case NS_STYLE_FONT_WORKSPACE:
case NS_STYLE_FONT_DESKTOP:
case NS_STYLE_FONT_INFO:
case NS_STYLE_FONT_DIALOG:
case NS_STYLE_FONT_BUTTON:
case NS_STYLE_FONT_PULL_DOWN_MENU:
case NS_STYLE_FONT_LIST:
case NS_STYLE_FONT_FIELD:
return eRuleFullMixed;
}
}
}
if (eCSSUnit_Null != aFontData.mStyle.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aFontData.mStyle.GetUnit())
inheritCount++;
}
if (eCSSUnit_Null != aFontData.mVariant.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aFontData.mVariant.GetUnit())
inheritCount++;
}
if (eCSSUnit_Null != aFontData.mWeight.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aFontData.mWeight.GetUnit())
inheritCount++;
}
if (eCSSUnit_Null != aFontData.mSize.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aFontData.mSize.GetUnit())
inheritCount++;
}
if (inheritCount == numFontProps)
return eRuleFullInherited;
else if (totalCount == numFontProps)
return eRuleFullMixed;
if (totalCount == 0)
return eRuleNone;
else if (totalCount == inheritCount)
return eRulePartialInherited;
return eRulePartialMixed;
}
inline nsRuleNode::RuleDetail
nsRuleNode::CheckDisplayProperties(const nsCSSDisplay& aData)
{
// Left/Top/Right/Bottom are the four props we have to check.
const PRUint32 numProps = 10;
PRUint32 totalCount=0;
PRUint32 inheritCount=0;
ExamineRectProperties(aData.mClip, totalCount, inheritCount);
if (eCSSUnit_Null != aData.mDisplay.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aData.mDisplay.GetUnit())
inheritCount++;
}
if (eCSSUnit_Null != aData.mBinding.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aData.mBinding.GetUnit())
inheritCount++;
}
if (eCSSUnit_Null != aData.mPosition.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aData.mPosition.GetUnit())
inheritCount++;
}
if (eCSSUnit_Null != aData.mFloat.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aData.mFloat.GetUnit())
inheritCount++;
}
if (eCSSUnit_Null != aData.mClear.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aData.mClear.GetUnit())
inheritCount++;
}
if (eCSSUnit_Null != aData.mOverflow.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aData.mOverflow.GetUnit())
inheritCount++;
}
if (inheritCount == numProps)
return eRuleFullInherited;
else if (totalCount == numProps)
return eRuleFullMixed;
if (totalCount == 0)
return eRuleNone;
else if (totalCount == inheritCount)
return eRulePartialInherited;
return eRulePartialMixed;
}
inline nsRuleNode::RuleDetail
nsRuleNode::CheckVisibilityProperties(const nsCSSDisplay& aData)
{
// Left/Top/Right/Bottom are the four props we have to check.
const PRUint32 numProps = 3;
PRUint32 totalCount=0;
PRUint32 inheritCount=0;
if (eCSSUnit_Null != aData.mVisibility.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aData.mVisibility.GetUnit())
inheritCount++;
}
if (eCSSUnit_Null != aData.mDirection.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aData.mDirection.GetUnit())
inheritCount++;
}
if (eCSSUnit_Null != aData.mOpacity.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aData.mOpacity.GetUnit())
inheritCount++;
}
if (inheritCount == numProps)
return eRuleFullInherited;
else if (totalCount == numProps)
return eRuleFullMixed;
if (totalCount == 0)
return eRuleNone;
else if (totalCount == inheritCount)
return eRulePartialInherited;
return eRulePartialMixed;
}
inline nsRuleNode::RuleDetail
nsRuleNode::CheckMarginProperties(const nsCSSMargin& aMarginData)
{
// Left/Top/Right/Bottom are the four props we have to check.
const PRUint32 numMarginProps = 4;
PRUint32 totalCount=0;
PRUint32 inheritCount=0;
ExamineRectProperties(aMarginData.mMargin, totalCount, inheritCount);
if (inheritCount == numMarginProps)
return eRuleFullInherited;
else if (totalCount == numMarginProps)
return eRuleFullMixed;
if (totalCount == 0)
return eRuleNone;
else if (totalCount == inheritCount)
return eRulePartialInherited;
return eRulePartialMixed;
}
inline nsRuleNode::RuleDetail
nsRuleNode::CheckBorderProperties(const nsCSSMargin& aBorderData)
{
// Left/Top/Right/Bottom are the four props we have to check.
const PRUint32 numBorderProps = 17;
PRUint32 totalCount=0;
PRUint32 inheritCount=0;
ExamineRectProperties(aBorderData.mBorderWidth, totalCount, inheritCount);
ExamineRectProperties(aBorderData.mBorderStyle, totalCount, inheritCount);
ExamineRectProperties(aBorderData.mBorderColor, totalCount, inheritCount);
ExamineRectProperties(aBorderData.mBorderRadius, totalCount, inheritCount);
if (eCSSUnit_Null != aBorderData.mFloatEdge.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aBorderData.mFloatEdge.GetUnit())
inheritCount++;
}
if (inheritCount == numBorderProps)
return eRuleFullInherited;
else if (totalCount == numBorderProps)
return eRuleFullMixed;
if (totalCount == 0)
return eRuleNone;
else if (totalCount == inheritCount)
return eRulePartialInherited;
return eRulePartialMixed;
}
inline nsRuleNode::RuleDetail
nsRuleNode::CheckPaddingProperties(const nsCSSMargin& aPaddingData)
{
// Left/Top/Right/Bottom are the four props we have to check.
const PRUint32 numPaddingProps = 4;
PRUint32 totalCount=0;
PRUint32 inheritCount=0;
ExamineRectProperties(aPaddingData.mPadding, totalCount, inheritCount);
if (inheritCount == numPaddingProps)
return eRuleFullInherited;
else if (totalCount == numPaddingProps)
return eRuleFullMixed;
if (totalCount == 0)
return eRuleNone;
else if (totalCount == inheritCount)
return eRulePartialInherited;
return eRulePartialMixed;
}
inline nsRuleNode::RuleDetail
nsRuleNode::CheckOutlineProperties(const nsCSSMargin& aMargin)
{
const PRUint32 numProps = 7;
PRUint32 totalCount=0;
PRUint32 inheritCount=0;
if (eCSSUnit_Null != aMargin.mOutlineColor.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aMargin.mOutlineColor.GetUnit())
inheritCount++;
}
if (eCSSUnit_Null != aMargin.mOutlineWidth.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aMargin.mOutlineWidth.GetUnit())
inheritCount++;
}
if (eCSSUnit_Null != aMargin.mOutlineStyle.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aMargin.mOutlineStyle.GetUnit())
inheritCount++;
}
ExamineRectProperties(aMargin.mOutlineRadius, totalCount, inheritCount);
if (inheritCount == numProps)
return eRuleFullInherited;
else if (totalCount == numProps)
return eRuleFullMixed;
if (totalCount == 0)
return eRuleNone;
else if (totalCount == inheritCount)
return eRulePartialInherited;
return eRulePartialMixed;
}
inline nsRuleNode::RuleDetail
nsRuleNode::CheckListProperties(const nsCSSList& aListData)
{
const PRUint32 numListProps = 3;
PRUint32 totalCount=0;
PRUint32 inheritCount=0;
if (eCSSUnit_Null != aListData.mType.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aListData.mType.GetUnit())
inheritCount++;
}
if (eCSSUnit_Null != aListData.mImage.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aListData.mImage.GetUnit())
inheritCount++;
}
if (eCSSUnit_Null != aListData.mPosition.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aListData.mPosition.GetUnit())
inheritCount++;
}
if (inheritCount == numListProps)
return eRuleFullInherited;
else if (totalCount == numListProps)
return eRuleFullMixed;
if (totalCount == 0)
return eRuleNone;
else if (totalCount == inheritCount)
return eRulePartialInherited;
return eRulePartialMixed;
}
inline nsRuleNode::RuleDetail
nsRuleNode::CheckColorProperties(const nsCSSColor& aColorData)
{
const PRUint32 numColorProps = 1;
PRUint32 totalCount=0;
PRUint32 inheritCount=0;
if (eCSSUnit_Null != aColorData.mColor.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aColorData.mColor.GetUnit())
inheritCount++;
}
if (inheritCount == numColorProps)
return eRuleFullInherited;
else if (totalCount == numColorProps)
return eRuleFullMixed;
if (totalCount == 0)
return eRuleNone;
else if (totalCount == inheritCount)
return eRulePartialInherited;
return eRulePartialMixed;
}
inline nsRuleNode::RuleDetail
nsRuleNode::CheckBackgroundProperties(const nsCSSColor& aColorData)
{
const PRUint32 numBGProps = 6;
PRUint32 totalCount=0;
PRUint32 inheritCount=0;
if (eCSSUnit_Null != aColorData.mBackAttachment.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aColorData.mBackAttachment.GetUnit())
inheritCount++;
}
if (eCSSUnit_Null != aColorData.mBackRepeat.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aColorData.mBackRepeat.GetUnit())
inheritCount++;
}
if (eCSSUnit_Null != aColorData.mBackColor.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aColorData.mBackColor.GetUnit())
inheritCount++;
}
if (eCSSUnit_Null != aColorData.mBackImage.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aColorData.mBackImage.GetUnit())
inheritCount++;
}
if (eCSSUnit_Null != aColorData.mBackPositionX.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aColorData.mBackPositionX.GetUnit())
inheritCount++;
}
if (eCSSUnit_Null != aColorData.mBackPositionY.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aColorData.mBackPositionY.GetUnit())
inheritCount++;
}
if (inheritCount == numBGProps)
return eRuleFullInherited;
else if (totalCount == numBGProps)
return eRuleFullMixed;
if (totalCount == 0)
return eRuleNone;
else if (totalCount == inheritCount)
return eRulePartialInherited;
return eRulePartialMixed;
}
inline nsRuleNode::RuleDetail
nsRuleNode::CheckPositionProperties(const nsCSSPosition& aPosData)
{
const PRUint32 numPosProps = 12;
PRUint32 totalCount=0;
PRUint32 inheritCount=0;
ExamineRectProperties(aPosData.mOffset, totalCount, inheritCount);
if (eCSSUnit_Null != aPosData.mWidth.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aPosData.mWidth.GetUnit())
inheritCount++;
}
if (eCSSUnit_Null != aPosData.mMinWidth.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aPosData.mMinWidth.GetUnit())
inheritCount++;
}
if (eCSSUnit_Null != aPosData.mMaxWidth.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aPosData.mMaxWidth.GetUnit())
inheritCount++;
}
if (eCSSUnit_Null != aPosData.mHeight.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aPosData.mHeight.GetUnit())
inheritCount++;
}
if (eCSSUnit_Null != aPosData.mMinHeight.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aPosData.mMinHeight.GetUnit())
inheritCount++;
}
if (eCSSUnit_Null != aPosData.mMaxHeight.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aPosData.mMaxHeight.GetUnit())
inheritCount++;
}
if (eCSSUnit_Null != aPosData.mBoxSizing.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aPosData.mBoxSizing.GetUnit())
inheritCount++;
}
if (eCSSUnit_Null != aPosData.mZIndex.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aPosData.mZIndex.GetUnit())
inheritCount++;
}
if (inheritCount == numPosProps)
return eRuleFullInherited;
else if (totalCount == numPosProps)
return eRuleFullMixed;
if (totalCount == 0)
return eRuleNone;
else if (totalCount == inheritCount)
return eRulePartialInherited;
return eRulePartialMixed;
}
inline nsRuleNode::RuleDetail
nsRuleNode::CheckTableProperties(const nsCSSTable& aTableData)
{
const PRUint32 numTableProps = 5;
PRUint32 totalCount=0;
PRUint32 inheritCount=0;
if (eCSSUnit_Null != aTableData.mLayout.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aTableData.mLayout.GetUnit())
inheritCount++;
}
if (eCSSUnit_Null != aTableData.mFrame.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aTableData.mFrame.GetUnit())
inheritCount++;
}
if (eCSSUnit_Null != aTableData.mRules.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aTableData.mRules.GetUnit())
inheritCount++;
}
if (eCSSUnit_Null != aTableData.mCols.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aTableData.mCols.GetUnit())
inheritCount++;
}
if (eCSSUnit_Null != aTableData.mSpan.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aTableData.mSpan.GetUnit())
inheritCount++;
}
if (inheritCount == numTableProps)
return eRuleFullInherited;
else if (totalCount == numTableProps)
return eRuleFullMixed;
if (totalCount == 0)
return eRuleNone;
else if (totalCount == inheritCount)
return eRulePartialInherited;
return eRulePartialMixed;
}
inline nsRuleNode::RuleDetail
nsRuleNode::CheckTableBorderProperties(const nsCSSTable& aTableData)
{
const PRUint32 numTableProps = 5;
PRUint32 totalCount=0;
PRUint32 inheritCount=0;
if (eCSSUnit_Null != aTableData.mBorderCollapse.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aTableData.mBorderCollapse.GetUnit())
inheritCount++;
}
if (eCSSUnit_Null != aTableData.mBorderSpacingX.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aTableData.mBorderSpacingX.GetUnit())
inheritCount++;
}
if (eCSSUnit_Null != aTableData.mBorderSpacingY.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aTableData.mBorderSpacingY.GetUnit())
inheritCount++;
}
if (eCSSUnit_Null != aTableData.mCaptionSide.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aTableData.mCaptionSide.GetUnit())
inheritCount++;
}
if (eCSSUnit_Null != aTableData.mEmptyCells.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aTableData.mEmptyCells.GetUnit())
inheritCount++;
}
if (inheritCount == numTableProps)
return eRuleFullInherited;
else if (totalCount == numTableProps)
return eRuleFullMixed;
if (totalCount == 0)
return eRuleNone;
else if (totalCount == inheritCount)
return eRulePartialInherited;
return eRulePartialMixed;
}
inline nsRuleNode::RuleDetail
nsRuleNode::CheckContentProperties(const nsCSSContent& aData)
{
const PRUint32 numProps = 4;
PRUint32 totalCount=0;
PRUint32 inheritCount=0;
if (aData.mContent) {
totalCount++;
if (eCSSUnit_Inherit == aData.mContent->mValue.GetUnit())
inheritCount++;
}
if (eCSSUnit_Null != aData.mMarkerOffset.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aData.mMarkerOffset.GetUnit())
inheritCount++;
}
if (aData.mCounterIncrement) {
totalCount++;
if (eCSSUnit_Inherit == aData.mCounterIncrement->mCounter.GetUnit())
inheritCount++;
}
if (aData.mCounterReset) {
totalCount++;
if (eCSSUnit_Inherit == aData.mCounterReset->mCounter.GetUnit())
inheritCount++;
}
if (inheritCount == numProps)
return eRuleFullInherited;
else if (totalCount == numProps)
return eRuleFullMixed;
if (totalCount == 0)
return eRuleNone;
else if (totalCount == inheritCount)
return eRulePartialInherited;
return eRulePartialMixed;
}
inline nsRuleNode::RuleDetail
nsRuleNode::CheckQuotesProperties(const nsCSSContent& aData)
{
const PRUint32 numProps = 1;
PRUint32 totalCount=0;
PRUint32 inheritCount=0;
if (aData.mQuotes) {
totalCount++;
if (eCSSUnit_Inherit == aData.mQuotes->mOpen.GetUnit())
inheritCount++;
}
if (inheritCount == numProps)
return eRuleFullInherited;
else if (totalCount == numProps)
return eRuleFullMixed;
if (totalCount == 0)
return eRuleNone;
else if (totalCount == inheritCount)
return eRulePartialInherited;
return eRulePartialMixed;
}
inline nsRuleNode::RuleDetail
nsRuleNode::CheckTextProperties(const nsCSSText& aData)
{
const PRUint32 numProps = 7;
PRUint32 totalCount=0;
PRUint32 inheritCount=0;
if (eCSSUnit_Null != aData.mLineHeight.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aData.mLineHeight.GetUnit())
inheritCount++;
}
if (eCSSUnit_Null != aData.mTextIndent.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aData.mTextIndent.GetUnit())
inheritCount++;
}
if (eCSSUnit_Null != aData.mTextAlign.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aData.mTextAlign.GetUnit())
inheritCount++;
}
if (eCSSUnit_Null != aData.mTextTransform.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aData.mTextTransform.GetUnit())
inheritCount++;
}
if (eCSSUnit_Null != aData.mWordSpacing.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aData.mWordSpacing.GetUnit())
inheritCount++;
}
if (eCSSUnit_Null != aData.mLetterSpacing.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aData.mLetterSpacing.GetUnit())
inheritCount++;
}
if (eCSSUnit_Null != aData.mWhiteSpace.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aData.mWhiteSpace.GetUnit())
inheritCount++;
}
if (inheritCount == numProps)
return eRuleFullInherited;
else if (totalCount == numProps)
return eRuleFullMixed;
if (totalCount == 0)
return eRuleNone;
else if (totalCount == inheritCount)
return eRulePartialInherited;
return eRulePartialMixed;
}
inline nsRuleNode::RuleDetail
nsRuleNode::CheckTextResetProperties(const nsCSSText& aData)
{
const PRUint32 numProps = 3;
PRUint32 totalCount=0;
PRUint32 inheritCount=0;
if (eCSSUnit_Null != aData.mDecoration.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aData.mDecoration.GetUnit())
inheritCount++;
}
if (eCSSUnit_Null != aData.mVerticalAlign.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aData.mVerticalAlign.GetUnit())
inheritCount++;
}
if (eCSSUnit_Null != aData.mUnicodeBidi.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aData.mUnicodeBidi.GetUnit())
inheritCount++;
}
if (inheritCount == numProps)
return eRuleFullInherited;
else if (totalCount == numProps)
return eRuleFullMixed;
if (totalCount == 0)
return eRuleNone;
else if (totalCount == inheritCount)
return eRulePartialInherited;
return eRulePartialMixed;
}
inline nsRuleNode::RuleDetail
nsRuleNode::CheckUIProperties(const nsCSSUserInterface& aData)
{
const PRUint32 numProps = 4;
PRUint32 totalCount=0;
PRUint32 inheritCount=0;
if (eCSSUnit_Null != aData.mUserInput.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aData.mUserInput.GetUnit())
inheritCount++;
}
if (eCSSUnit_Null != aData.mUserModify.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aData.mUserModify.GetUnit())
inheritCount++;
}
if (eCSSUnit_Null != aData.mUserFocus.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aData.mUserFocus.GetUnit())
inheritCount++;
}
if (aData.mCursor) {
totalCount++;
if (aData.mCursor->mValue.GetUnit() == eCSSUnit_Inherit)
inheritCount++;
}
if (inheritCount == numProps)
return eRuleFullInherited;
else if (totalCount == numProps)
return eRuleFullMixed;
if (totalCount == 0)
return eRuleNone;
else if (totalCount == inheritCount)
return eRulePartialInherited;
return eRulePartialMixed;
}
inline nsRuleNode::RuleDetail
nsRuleNode::CheckUIResetProperties(const nsCSSUserInterface& aData)
{
const PRUint32 numProps = 3;
PRUint32 totalCount=0;
PRUint32 inheritCount=0;
if (eCSSUnit_Null != aData.mUserSelect.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aData.mUserSelect.GetUnit())
inheritCount++;
}
if (eCSSUnit_Null != aData.mResizer.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aData.mResizer.GetUnit())
inheritCount++;
}
if (aData.mKeyEquivalent) {
totalCount++;
if (aData.mKeyEquivalent->mValue.GetUnit() == eCSSUnit_Inherit)
inheritCount++;
}
if (inheritCount == numProps)
return eRuleFullInherited;
else if (totalCount == numProps)
return eRuleFullMixed;
if (totalCount == 0)
return eRuleNone;
else if (totalCount == inheritCount)
return eRulePartialInherited;
return eRulePartialMixed;
}
#ifdef INCLUDE_XUL
inline nsRuleNode::RuleDetail
nsRuleNode::CheckXULProperties(const nsCSSXUL& aXULData)
{
const PRUint32 numXULProps = 5;
PRUint32 totalCount=0;
PRUint32 inheritCount=0;
if (eCSSUnit_Null != aXULData.mBoxAlign.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aXULData.mBoxAlign.GetUnit())
inheritCount++;
}
if (eCSSUnit_Null != aXULData.mBoxDirection.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aXULData.mBoxDirection.GetUnit())
inheritCount++;
}
if (eCSSUnit_Null != aXULData.mBoxFlex.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aXULData.mBoxFlex.GetUnit())
inheritCount++;
}
if (eCSSUnit_Null != aXULData.mBoxOrient.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aXULData.mBoxOrient.GetUnit())
inheritCount++;
}
if (eCSSUnit_Null != aXULData.mBoxPack.GetUnit()) {
totalCount++;
if (eCSSUnit_Inherit == aXULData.mBoxPack.GetUnit())
inheritCount++;
}
if (inheritCount == numXULProps)
return eRuleFullInherited;
else if (totalCount == numXULProps)
return eRuleFullMixed;
if (totalCount == 0)
return eRuleNone;
else if (totalCount == inheritCount)
return eRulePartialInherited;
return eRulePartialMixed;
}
#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[] = {
// Note that these must line up _exactly_ with the numeric values of
// the nsStyleStructID enum.
nsnull,
&nsRuleNode::GetFontData,
&nsRuleNode::GetColorData,
&nsRuleNode::GetBackgroundData,
&nsRuleNode::GetListData,
&nsRuleNode::GetPositionData,
&nsRuleNode::GetTextData,
&nsRuleNode::GetTextResetData,
&nsRuleNode::GetDisplayData,
&nsRuleNode::GetVisibilityData,
&nsRuleNode::GetContentData,
&nsRuleNode::GetQuotesData,
&nsRuleNode::GetUIData,
&nsRuleNode::GetUIResetData,
&nsRuleNode::GetTableData,
&nsRuleNode::GetTableBorderData,
&nsRuleNode::GetMarginData,
&nsRuleNode::GetPaddingData,
&nsRuleNode::GetBorderData,
&nsRuleNode::GetOutlineData,
#ifdef INCLUDE_XUL
&nsRuleNode::GetXULData,
#endif
nsnull
};
inline const nsStyleStruct*
nsRuleNode::GetStyleData(nsStyleStructID aSID,
nsIStyleContext* aContext)
{
const nsStyleStruct* cachedData = mStyleData.GetStyleData(aSID);
if (cachedData)
return cachedData; // We have a fully specified struct. Just return it.
if (InheritsFromParentRule(aSID))
return GetParentData(aSID); // We inherit. 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) : nsnull;
}