Files
Mozilla/mozilla/content/html/content/src/nsHTMLSharedElement.cpp
peterv%propagandism.org 93c0775b37 Fix for bug 264309 (Consolidate CloneNode implementation macros). r/sr=jst
git-svn-id: svn://10.0.0.236/trunk@163824 18797224-902f-48f8-a5cc-f745e15eee43
2004-10-15 14:42:14 +00:00

479 lines
17 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla 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/MPL/
*
* 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 the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsIDOMHTMLEmbedElement.h"
#include "nsIDOMHTMLIsIndexElement.h"
#include "nsIDOMHTMLParamElement.h"
#include "nsIDOMHTMLBaseElement.h"
#include "nsIDOMHTMLDirectoryElement.h"
#include "nsIDOMHTMLMenuElement.h"
#include "nsIDOMHTMLQuoteElement.h"
#include "nsIDOMHTMLBaseFontElement.h"
#include "nsIDOMEventReceiver.h"
#include "nsIHTMLContent.h"
#include "nsGenericHTMLElement.h"
#include "nsImageLoadingContent.h"
#include "nsHTMLAtoms.h"
#include "nsStyleConsts.h"
#include "nsPresContext.h"
#include "nsRuleData.h"
#include "nsMappedAttributes.h"
#include "nsStyleContext.h"
// XXX nav4 has type= start= (same as OL/UL)
extern nsHTMLValue::EnumTable kListTypeTable[];
class nsHTMLSharedElement : public nsGenericHTMLElement,
public nsImageLoadingContent,
public nsIDOMHTMLEmbedElement,
public nsIDOMHTMLIsIndexElement,
public nsIDOMHTMLParamElement,
public nsIDOMHTMLBaseElement,
public nsIDOMHTMLDirectoryElement,
public nsIDOMHTMLMenuElement,
public nsIDOMHTMLQuoteElement,
public nsIDOMHTMLBaseFontElement
{
public:
nsHTMLSharedElement(nsINodeInfo *aNodeInfo);
virtual ~nsHTMLSharedElement();
// nsISupports
NS_DECL_ISUPPORTS_INHERITED
// nsIDOMNode
NS_FORWARD_NSIDOMNODE_NO_CLONENODE(nsGenericHTMLElement::)
// nsIDOMElement
NS_FORWARD_NSIDOMELEMENT(nsGenericHTMLElement::)
// nsIDOMHTMLElement
NS_FORWARD_NSIDOMHTMLELEMENT(nsGenericHTMLElement::)
// nsIDOMHTMLEmbedElement
NS_DECL_NSIDOMHTMLEMBEDELEMENT
// nsIDOMHTMLIsIndexElement
NS_DECL_NSIDOMHTMLISINDEXELEMENT
// nsIDOMHTMLParamElement Can't use the macro
// NS_DECL_NSIDOMHTMLPARAMELEMENT since some of the methods in
// nsIDOMHTMLParamElement clashes with methods in
// nsIDOMHTMLEmbedElement
NS_IMETHOD GetValue(nsAString& aValue);
NS_IMETHOD SetValue(const nsAString& aValue);
NS_IMETHOD GetValueType(nsAString& aValueType);
NS_IMETHOD SetValueType(const nsAString& aValueType);
// nsIDOMHTMLBaseElement
NS_DECL_NSIDOMHTMLBASEELEMENT
// nsIDOMHTMLDirectoryElement
NS_DECL_NSIDOMHTMLDIRECTORYELEMENT
// nsIDOMHTMLMenuElement
// Same as directoryelement
// nsIDOMHTMLQuoteElement
NS_DECL_NSIDOMHTMLQUOTEELEMENT
// nsIDOMHTMLBaseFontElement
NS_DECL_NSIDOMHTMLBASEFONTELEMENT
virtual PRBool ParseAttribute(nsIAtom* aAttribute,
const nsAString& aValue,
nsAttrValue& aResult);
NS_IMETHOD AttributeToString(nsIAtom* aAttribute,
const nsHTMLValue& aValue,
nsAString& aResult) const;
NS_IMETHOD GetAttributeMappingFunction(nsMapRuleToAttributesFunc& aMapRuleFunc) const;
NS_IMETHOD_(PRBool) IsAttributeMapped(const nsIAtom* aAttribute) const;
};
NS_IMPL_NS_NEW_HTML_ELEMENT(Shared)
nsHTMLSharedElement::nsHTMLSharedElement(nsINodeInfo *aNodeInfo)
: nsGenericHTMLElement(aNodeInfo)
{
}
nsHTMLSharedElement::~nsHTMLSharedElement()
{
}
NS_IMPL_ADDREF_INHERITED(nsHTMLSharedElement, nsGenericElement)
NS_IMPL_RELEASE_INHERITED(nsHTMLSharedElement, nsGenericElement)
// QueryInterface implementation for nsHTMLSharedElement
NS_HTML_CONTENT_INTERFACE_MAP_AMBIGOUS_BEGIN(nsHTMLSharedElement,
nsGenericHTMLElement,
nsIDOMHTMLEmbedElement)
NS_INTERFACE_MAP_ENTRY_IF_TAG(nsIDOMHTMLEmbedElement, embed)
NS_INTERFACE_MAP_ENTRY_IF_TAG(imgIDecoderObserver, embed)
NS_INTERFACE_MAP_ENTRY_IF_TAG(nsIImageLoadingContent, embed)
NS_INTERFACE_MAP_ENTRY_IF_TAG(nsIDOMHTMLParamElement, param)
NS_INTERFACE_MAP_ENTRY_IF_TAG(nsIDOMHTMLIsIndexElement, isindex)
NS_INTERFACE_MAP_ENTRY_IF_TAG(nsIDOMHTMLBaseElement, base)
NS_INTERFACE_MAP_ENTRY_IF_TAG(nsIDOMHTMLDirectoryElement, dir)
NS_INTERFACE_MAP_ENTRY_IF_TAG(nsIDOMHTMLMenuElement, menu)
NS_INTERFACE_MAP_ENTRY_IF_TAG(nsIDOMHTMLQuoteElement, q)
NS_INTERFACE_MAP_ENTRY_IF_TAG(nsIDOMHTMLQuoteElement, blockquote)
NS_INTERFACE_MAP_ENTRY_IF_TAG(nsIDOMHTMLBaseFontElement, basefont)
NS_INTERFACE_MAP_ENTRY_CONTENT_CLASSINFO_IF_TAG(HTMLEmbedElement, embed)
NS_INTERFACE_MAP_ENTRY_CONTENT_CLASSINFO_IF_TAG(HTMLParamElement, param)
NS_INTERFACE_MAP_ENTRY_CONTENT_CLASSINFO_IF_TAG(HTMLWBRElement, wbr)
NS_INTERFACE_MAP_ENTRY_CONTENT_CLASSINFO_IF_TAG(HTMLIsIndexElement, isindex)
NS_INTERFACE_MAP_ENTRY_CONTENT_CLASSINFO_IF_TAG(HTMLBaseElement, base)
NS_INTERFACE_MAP_ENTRY_CONTENT_CLASSINFO_IF_TAG(HTMLSpacerElement, spacer)
NS_INTERFACE_MAP_ENTRY_CONTENT_CLASSINFO_IF_TAG(HTMLDirectoryElement, dir)
NS_INTERFACE_MAP_ENTRY_CONTENT_CLASSINFO_IF_TAG(HTMLMenuElement, menu)
NS_INTERFACE_MAP_ENTRY_CONTENT_CLASSINFO_IF_TAG(HTMLQuoteElement, q)
NS_INTERFACE_MAP_ENTRY_CONTENT_CLASSINFO_IF_TAG(HTMLQuoteElement, blockquote)
NS_INTERFACE_MAP_ENTRY_CONTENT_CLASSINFO_IF_TAG(HTMLBaseFontElement, basefont)
NS_HTML_CONTENT_INTERFACE_MAP_END
NS_IMPL_DOM_CLONENODE_AMBIGUOUS(nsHTMLSharedElement, nsIDOMHTMLEmbedElement)
/////////////////////////////////////////////
// Implement nsIDOMHTMLEmbedElement interface
NS_IMPL_STRING_ATTR(nsHTMLSharedElement, Align, align)
NS_IMPL_STRING_ATTR(nsHTMLSharedElement, Height, height)
NS_IMPL_STRING_ATTR(nsHTMLSharedElement, Width, width)
NS_IMPL_STRING_ATTR(nsHTMLSharedElement, Name, name)
NS_IMPL_STRING_ATTR(nsHTMLSharedElement, Type, type)
NS_IMPL_STRING_ATTR(nsHTMLSharedElement, Src, src)
// nsIDOMHTMLParamElement
NS_IMPL_STRING_ATTR(nsHTMLSharedElement, Value, value)
NS_IMPL_STRING_ATTR(nsHTMLSharedElement, ValueType, valuetype)
// nsIDOMHTMLIsIndexElement
NS_IMPL_STRING_ATTR(nsHTMLSharedElement, Prompt, prompt)
// nsIDOMHTMLDirectoryElement
NS_IMPL_BOOL_ATTR(nsHTMLSharedElement, Compact, compact)
// nsIDOMHTMLMenuElement
//NS_IMPL_BOOL_ATTR(nsHTMLSharedElement, Compact, compact)
// nsIDOMHTMLQuoteElement
NS_IMPL_URI_ATTR(nsHTMLSharedElement, Cite, cite)
// nsIDOMHTMLBaseFontElement
NS_IMPL_STRING_ATTR(nsHTMLSharedElement, Color, color)
NS_IMPL_STRING_ATTR(nsHTMLSharedElement, Face, face)
NS_IMPL_INT_ATTR(nsHTMLSharedElement, Size, size)
NS_IMETHODIMP
nsHTMLSharedElement::GetForm(nsIDOMHTMLFormElement** aForm)
{
*aForm = FindForm().get();
return NS_OK;
}
// nsIDOMHTMLBaseElement
NS_IMPL_URI_ATTR(nsHTMLSharedElement, Href, href)
NS_IMPL_STRING_ATTR(nsHTMLSharedElement, Target, target)
// spacer element code
PRBool
nsHTMLSharedElement::ParseAttribute(nsIAtom* aAttribute,
const nsAString& aValue,
nsAttrValue& aResult)
{
if (mNodeInfo->Equals(nsHTMLAtoms::embed)) {
if (aAttribute == nsHTMLAtoms::align) {
return ParseAlignValue(aValue, aResult);
}
if (ParseImageAttribute(aAttribute, aValue, aResult)) {
return PR_TRUE;
}
}
else if (mNodeInfo->Equals(nsHTMLAtoms::spacer)) {
if (aAttribute == nsHTMLAtoms::size) {
return aResult.ParseIntWithBounds(aValue, 0);
}
if (aAttribute == nsHTMLAtoms::align) {
return ParseAlignValue(aValue, aResult);
}
if (aAttribute == nsHTMLAtoms::width ||
aAttribute == nsHTMLAtoms::height) {
return aResult.ParseSpecialIntValue(aValue, PR_TRUE, PR_FALSE);
}
}
else if (mNodeInfo->Equals(nsHTMLAtoms::dir) ||
mNodeInfo->Equals(nsHTMLAtoms::menu)) {
if (aAttribute == nsHTMLAtoms::type) {
return aResult.ParseEnumValue(aValue, kListTypeTable);
}
if (aAttribute == nsHTMLAtoms::start) {
return aResult.ParseIntWithBounds(aValue, 1);
}
}
else if (mNodeInfo->Equals(nsHTMLAtoms::basefont)) {
if (aAttribute == nsHTMLAtoms::size) {
return aResult.ParseIntValue(aValue);
}
}
return nsGenericHTMLElement::ParseAttribute(aAttribute, aValue, aResult);
}
NS_IMETHODIMP
nsHTMLSharedElement::AttributeToString(nsIAtom* aAttribute,
const nsHTMLValue& aValue,
nsAString& aResult) const
{
if (mNodeInfo->Equals(nsHTMLAtoms::embed)) {
if (aAttribute == nsHTMLAtoms::align) {
if (eHTMLUnit_Enumerated == aValue.GetUnit()) {
AlignValueToString(aValue, aResult);
return NS_CONTENT_ATTR_HAS_VALUE;
}
}
}
else if (mNodeInfo->Equals(nsHTMLAtoms::spacer)) {
if (aAttribute == nsHTMLAtoms::align) {
if (eHTMLUnit_Enumerated == aValue.GetUnit()) {
AlignValueToString(aValue, aResult);
return NS_CONTENT_ATTR_HAS_VALUE;
}
}
}
else if (mNodeInfo->Equals(nsHTMLAtoms::dir) ||
mNodeInfo->Equals(nsHTMLAtoms::menu)) {
if (aAttribute == nsHTMLAtoms::type) {
aValue.EnumValueToString(kListTypeTable, aResult);
return NS_CONTENT_ATTR_HAS_VALUE;
}
}
return nsGenericHTMLElement::AttributeToString(aAttribute, aValue, aResult);
}
static void
SpacerMapAttributesIntoRule(const nsMappedAttributes* aAttributes,
nsRuleData* aData)
{
nsGenericHTMLElement::MapImageMarginAttributeInto(aAttributes, aData);
nsGenericHTMLElement::MapImageSizeAttributesInto(aAttributes, aData);
if (aData->mSID == eStyleStruct_Position) {
const nsStyleDisplay* display = aData->mStyleContext->GetStyleDisplay();
PRBool typeIsBlock = (display->mDisplay == NS_STYLE_DISPLAY_BLOCK);
if (typeIsBlock) {
// width: value
if (aData->mPositionData->mWidth.GetUnit() == eCSSUnit_Null) {
const nsAttrValue* value = aAttributes->GetAttr(nsHTMLAtoms::width);
if (value && value->Type() == nsAttrValue::eInteger) {
aData->mPositionData->
mWidth.SetFloatValue((float)value->GetIntegerValue(),
eCSSUnit_Pixel);
} else if (value && value->Type() == nsAttrValue::ePercent) {
aData->mPositionData->
mWidth.SetPercentValue(value->GetPercentValue());
}
}
// height: value
if (aData->mPositionData->mHeight.GetUnit() == eCSSUnit_Null) {
const nsAttrValue* value = aAttributes->GetAttr(nsHTMLAtoms::height);
if (value && value->Type() == nsAttrValue::eInteger) {
aData->mPositionData->
mHeight.SetFloatValue((float)value->GetIntegerValue(),
eCSSUnit_Pixel);
} else if (value && value->Type() == nsAttrValue::ePercent) {
aData->mPositionData->
mHeight.SetPercentValue(value->GetPercentValue());
}
}
} else {
// size: value
if (aData->mPositionData->mWidth.GetUnit() == eCSSUnit_Null) {
const nsAttrValue* value = aAttributes->GetAttr(nsHTMLAtoms::size);
if (value && value->Type() == nsAttrValue::eInteger)
aData->mPositionData->
mWidth.SetFloatValue((float)value->GetIntegerValue(),
eCSSUnit_Pixel);
}
}
} else if (aData->mSID == eStyleStruct_Display) {
const nsAttrValue* value = aAttributes->GetAttr(nsHTMLAtoms::align);
if (value && value->Type() == nsAttrValue::eEnum) {
PRInt32 align = value->GetEnumValue();
if (aData->mDisplayData->mFloat.GetUnit() == eCSSUnit_Null) {
if (align == NS_STYLE_TEXT_ALIGN_LEFT)
aData->mDisplayData->mFloat.SetIntValue(NS_STYLE_FLOAT_LEFT,
eCSSUnit_Enumerated);
else if (align == NS_STYLE_TEXT_ALIGN_RIGHT)
aData->mDisplayData->mFloat.SetIntValue(NS_STYLE_FLOAT_RIGHT,
eCSSUnit_Enumerated);
}
}
if (aData->mDisplayData->mDisplay.GetUnit() == eCSSUnit_Null) {
const nsAttrValue* value = aAttributes->GetAttr(nsHTMLAtoms::type);
if (value && value->Type() == nsAttrValue::eString) {
nsAutoString tmp(value->GetStringValue());
if (tmp.LowerCaseEqualsLiteral("line") ||
tmp.LowerCaseEqualsLiteral("vert") ||
tmp.LowerCaseEqualsLiteral("vertical") ||
tmp.LowerCaseEqualsLiteral("block")) {
// This is not strictly 100% compatible: if the spacer is given
// a width of zero then it is basically ignored.
aData->mDisplayData->mDisplay.SetIntValue(NS_STYLE_DISPLAY_BLOCK,
eCSSUnit_Enumerated);
}
}
}
}
nsGenericHTMLElement::MapCommonAttributesInto(aAttributes, aData);
}
static void
EmbedMapAttributesIntoRule(const nsMappedAttributes* aAttributes,
nsRuleData* aData)
{
nsGenericHTMLElement::MapImageBorderAttributeInto(aAttributes, aData);
nsGenericHTMLElement::MapImageMarginAttributeInto(aAttributes, aData);
nsGenericHTMLElement::MapImageSizeAttributesInto(aAttributes, aData);
nsGenericHTMLElement::MapImageAlignAttributeInto(aAttributes, aData);
nsGenericHTMLElement::MapCommonAttributesInto(aAttributes, aData);
}
static void
DirectoryMenuMapAttributesIntoRule(const nsMappedAttributes* aAttributes,
nsRuleData* aData)
{
if (aData->mSID == eStyleStruct_List) {
if (aData->mListData->mType.GetUnit() == eCSSUnit_Null) {
// type: enum
const nsAttrValue* value = aAttributes->GetAttr(nsHTMLAtoms::type);
if (value) {
if (value->Type() == nsAttrValue::eEnum)
aData->mListData->mType.SetIntValue(value->GetEnumValue(), eCSSUnit_Enumerated);
else
aData->mListData->mType.SetIntValue(NS_STYLE_LIST_STYLE_DISC, eCSSUnit_Enumerated);
}
}
}
nsGenericHTMLElement::MapCommonAttributesInto(aAttributes, aData);
}
NS_IMETHODIMP_(PRBool)
nsHTMLSharedElement::IsAttributeMapped(const nsIAtom* aAttribute) const
{
if (mNodeInfo->Equals(nsHTMLAtoms::embed)) {
static const MappedAttributeEntry* const map[] = {
sCommonAttributeMap,
sImageMarginSizeAttributeMap,
sImageAlignAttributeMap,
sImageBorderAttributeMap
};
return FindAttributeDependence(aAttribute, map, NS_ARRAY_LENGTH(map));
}
if (mNodeInfo->Equals(nsHTMLAtoms::spacer)) {
static const MappedAttributeEntry attributes[] = {
// XXXldb This is just wrong.
{ &nsHTMLAtoms::usemap },
{ &nsHTMLAtoms::ismap },
{ &nsHTMLAtoms::align },
{ nsnull }
};
static const MappedAttributeEntry* const map[] = {
attributes,
sCommonAttributeMap,
sImageMarginSizeAttributeMap,
sImageBorderAttributeMap,
};
return FindAttributeDependence(aAttribute, map, NS_ARRAY_LENGTH(map));
}
if (mNodeInfo->Equals(nsHTMLAtoms::dir)) {
static const MappedAttributeEntry attributes[] = {
{ &nsHTMLAtoms::type },
// { &nsHTMLAtoms::compact }, // XXX
{ nsnull}
};
static const MappedAttributeEntry* const map[] = {
attributes,
sCommonAttributeMap,
};
return FindAttributeDependence(aAttribute, map, NS_ARRAY_LENGTH(map));
}
return nsGenericHTMLElement::IsAttributeMapped(aAttribute);
}
NS_IMETHODIMP
nsHTMLSharedElement::GetAttributeMappingFunction(nsMapRuleToAttributesFunc& aMapRuleFunc) const
{
if (mNodeInfo->Equals(nsHTMLAtoms::embed)) {
aMapRuleFunc = &EmbedMapAttributesIntoRule;
}
else if (mNodeInfo->Equals(nsHTMLAtoms::spacer)) {
aMapRuleFunc = &SpacerMapAttributesIntoRule;
}
else if (mNodeInfo->Equals(nsHTMLAtoms::dir) ||
mNodeInfo->Equals(nsHTMLAtoms::menu)) {
aMapRuleFunc = &DirectoryMenuMapAttributesIntoRule;
}
else {
nsGenericHTMLElement::GetAttributeMappingFunction(aMapRuleFunc);
}
return NS_OK;
}