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gecko-dev
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Move nsDOMCSSAttributeDeclaration into its own file to progress towards moving all of the style system code back into the layout library. r=jst sr=hyatt b=108750

This commit is contained in:
dbaron%fas.harvard.edu 2001-11-07 07:06:31 +00:00
Родитель 4a1f8a8889
Коммит 8e721c4e39
17 изменённых файлов: 1332 добавлений и 363 удалений
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8
content/build/nsContentModule.cpp
Просмотреть файл

@ -47,6 +47,7 @@
#include "nsContentPolicyUtils.h"
#include "nsContentUtils.h"
#include "nsDOMCID.h"
#include "nsCSSOMFactory.h"
#include "nsEventStateManager.h"
#include "nsGenericElement.h"
#include "nsHTMLAtoms.h"
@ -227,6 +228,7 @@ Shutdown(nsIModule* aSelf)
NS_IF_RELEASE(nsContentDLF::gUAStyleSheet);
nsContentUtils::Shutdown();
nsGenericHTMLElement::Shutdown();
NS_NameSpaceManagerShutdown();
}
@ -325,6 +327,7 @@ MAKE_CTOR(CreateXULElementFactory, nsIElementFactory, NS_NewXUL
MAKE_CTOR(CreateControllerCommandManager, nsIControllerCommandManager, NS_NewControllerCommandManager)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsContentHTTPStartup)
MAKE_CTOR(CreateContentDLF, nsIDocumentLoaderFactory, NS_NewContentDocumentLoaderFactory)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsCSSOMFactory)
static NS_IMETHODIMP
CreateHTMLImgElement(nsISupports* aOuter, REFNSIID aIID, void** aResult)
@ -563,6 +566,11 @@ static nsModuleComponentInfo gComponents[] = {
nsnull,
CreateSubtreeIterator },
{ "CSS Object Model Factory",
NS_CSSOMFACTORY_CID,
nsnull,
nsCSSOMFactoryConstructor },
// Needed to support "new Option;" and "new Image;" in JavaScript
{ "HTML img element",
NS_HTMLIMAGEELEMENT_CID,

384
content/html/content/src/nsGenericHTMLElement.cpp
Просмотреть файл

@ -95,8 +95,8 @@
#include "nsIPrivateDOMEvent.h"
#include "nsDOMCID.h"
#include "nsIServiceManager.h"
#include "nsIDOMCSSStyleDeclaration.h"
#include "nsDOMCSSDeclaration.h"
#include "nsICSSOMFactory.h"
#include "prprf.h"
#include "prmem.h"
#include "nsIFormControlFrame.h"
@ -132,359 +132,6 @@ static NS_DEFINE_CID(kPresStateCID, NS_PRESSTATE_CID);
//----------------------------------------------------------------------
class nsDOMCSSAttributeDeclaration : public nsDOMCSSDeclaration
{
public:
nsDOMCSSAttributeDeclaration(nsIHTMLContent *aContent);
~nsDOMCSSAttributeDeclaration();
NS_IMETHOD RemoveProperty(const nsAReadableString& aPropertyName,
nsAWritableString& aReturn);
virtual void DropReference();
virtual nsresult GetCSSDeclaration(nsICSSDeclaration **aDecl,
PRBool aAllocate);
virtual nsresult SetCSSDeclaration(nsICSSDeclaration *aDecl);
virtual nsresult GetCSSParsingEnvironment(nsIContent* aContent,
nsIURI** aBaseURI,
nsICSSLoader** aCSSLoader,
nsICSSParser** aCSSParser);
virtual nsresult ParsePropertyValue(const nsAReadableString& aPropName,
const nsAReadableString& aPropValue);
virtual nsresult ParseDeclaration(const nsAReadableString& aDecl,
PRBool aParseOnlyOneDecl,
PRBool aClearOldDecl);
virtual nsresult GetParent(nsISupports **aParent);
protected:
nsIHTMLContent *mContent;
};
MOZ_DECL_CTOR_COUNTER(nsDOMCSSAttributeDeclaration)
nsDOMCSSAttributeDeclaration::nsDOMCSSAttributeDeclaration(nsIHTMLContent *aContent)
{
MOZ_COUNT_CTOR(nsDOMCSSAttributeDeclaration);
// This reference is not reference-counted. The content
// object tells us when its about to go away.
mContent = aContent;
}
nsDOMCSSAttributeDeclaration::~nsDOMCSSAttributeDeclaration()
{
MOZ_COUNT_DTOR(nsDOMCSSAttributeDeclaration);
}
NS_IMETHODIMP
nsDOMCSSAttributeDeclaration::RemoveProperty(const nsAReadableString& aPropertyName,
nsAWritableString& aReturn)
{
nsCOMPtr<nsICSSDeclaration> decl;
nsresult rv = GetCSSDeclaration(getter_AddRefs(decl), PR_TRUE);
if (NS_SUCCEEDED(rv) && decl && mContent) {
nsCOMPtr<nsIDocument> doc;
mContent->GetDocument(*getter_AddRefs(doc));
if (doc) {
doc->BeginUpdate();
doc->AttributeWillChange(mContent, kNameSpaceID_None,
nsHTMLAtoms::style);
}
PRInt32 hint;
decl->GetStyleImpact(&hint);
nsCSSProperty prop = nsCSSProps::LookupProperty(aPropertyName);
nsCSSValue val;
rv = decl->RemoveProperty(prop, val);
if (NS_SUCCEEDED(rv)) {
// We pass in eCSSProperty_UNKNOWN here so that we don't get the
// property name in the return string.
val.ToString(aReturn, eCSSProperty_UNKNOWN);
} else {
// If we tried to remove an invalid property or a property that wasn't
// set we simply return success and an empty string
rv = NS_OK;
}
if (doc) {
doc->AttributeChanged(mContent, kNameSpaceID_None, nsHTMLAtoms::style,
nsIDOMMutationEvent::MODIFICATION,
hint);
doc->EndUpdate();
}
}
return rv;
}
void
nsDOMCSSAttributeDeclaration::DropReference()
{
mContent = nsnull;
}
nsresult
nsDOMCSSAttributeDeclaration::GetCSSDeclaration(nsICSSDeclaration **aDecl,
PRBool aAllocate)
{
nsHTMLValue val;
nsIStyleRule* rule;
nsICSSStyleRule* cssRule;
nsresult result = NS_OK;
*aDecl = nsnull;
if (nsnull != mContent) {
mContent->GetHTMLAttribute(nsHTMLAtoms::style, val);
if (eHTMLUnit_ISupports == val.GetUnit()) {
rule = (nsIStyleRule*) val.GetISupportsValue();
result = rule->QueryInterface(NS_GET_IID(nsICSSStyleRule), (void**)&cssRule);
if (NS_OK == result) {
*aDecl = cssRule->GetDeclaration();
NS_RELEASE(cssRule);
}
NS_RELEASE(rule);
}
else if (PR_TRUE == aAllocate) {
result = NS_NewCSSDeclaration(aDecl);
if (NS_OK == result) {
result = NS_NewCSSStyleRule(&cssRule, nsCSSSelector());
if (NS_OK == result) {
cssRule->SetDeclaration(*aDecl);
cssRule->SetWeight(0x7fffffff);
rule = (nsIStyleRule *)cssRule;
result = mContent->SetHTMLAttribute(nsHTMLAtoms::style,
nsHTMLValue(cssRule),
PR_FALSE);
NS_RELEASE(cssRule);
}
else {
NS_RELEASE(*aDecl);
}
}
}
}
return result;
}
nsresult
nsDOMCSSAttributeDeclaration::SetCSSDeclaration(nsICSSDeclaration *aDecl)
{
nsHTMLValue val;
nsIStyleRule* rule;
nsICSSStyleRule* cssRule;
nsresult result = NS_OK;
if (nsnull != mContent) {
mContent->GetHTMLAttribute(nsHTMLAtoms::style, val);
if (eHTMLUnit_ISupports == val.GetUnit()) {
rule = (nsIStyleRule*) val.GetISupportsValue();
result = rule->QueryInterface(NS_GET_IID(nsICSSStyleRule), (void**)&cssRule);
if (NS_OK == result) {
cssRule->SetDeclaration(aDecl);
NS_RELEASE(cssRule);
}
NS_RELEASE(rule);
}
}
return result;
}
/*
* This is a utility function. It will only fail if it can't get a
* parser. This means it can return NS_OK without aURI or aCSSLoader
* being initialized
*/
nsresult
nsDOMCSSAttributeDeclaration::GetCSSParsingEnvironment(nsIContent* aContent,
nsIURI** aBaseURI,
nsICSSLoader** aCSSLoader,
nsICSSParser** aCSSParser)
{
NS_ASSERTION(aContent, "Something is severely broken -- there should be an nsIContent here!");
// null out the out params since some of them may not get initialized below
*aBaseURI = nsnull;
*aCSSLoader = nsnull;
*aCSSParser = nsnull;
nsCOMPtr<nsINodeInfo> nodeInfo;
nsresult result = aContent->GetNodeInfo(*getter_AddRefs(nodeInfo));
if (NS_FAILED(result)) {
return result;
}
nsCOMPtr<nsIDocument> doc;
result = nodeInfo->GetDocument(*getter_AddRefs(doc));
if (NS_FAILED(result)) {
return result;
}
if (doc) {
doc->GetBaseURL(*aBaseURI);
nsCOMPtr<nsIHTMLContentContainer> htmlContainer(do_QueryInterface(doc));
if (htmlContainer) {
htmlContainer->GetCSSLoader(*aCSSLoader);
}
NS_ASSERTION(*aCSSLoader, "Document with no CSS loader!");
}
if (*aCSSLoader) {
result = (*aCSSLoader)->GetParserFor(nsnull, aCSSParser);
} else {
result = NS_NewCSSParser(aCSSParser);
}
if (NS_FAILED(result)) {
return result;
}
// look up our namespace. If we're XHTML, we need to be case-sensitive
// Otherwise, we should not be
(*aCSSParser)->SetCaseSensitive(nodeInfo->NamespaceEquals(kNameSpaceID_XHTML));
return NS_OK;
}
nsresult
nsDOMCSSAttributeDeclaration::ParsePropertyValue(const nsAReadableString& aPropName,
const nsAReadableString& aPropValue)
{
nsCOMPtr<nsICSSDeclaration> decl;
nsresult result = GetCSSDeclaration(getter_AddRefs(decl), PR_TRUE);
if (!decl) {
return result;
}
nsCOMPtr<nsICSSLoader> cssLoader;
nsCOMPtr<nsICSSParser> cssParser;
nsCOMPtr<nsIURI> baseURI;
nsCOMPtr<nsIDocument> doc;
result = mContent->GetDocument(*getter_AddRefs(doc));
if (NS_FAILED(result)) {
return result;
}
result = GetCSSParsingEnvironment(mContent,
getter_AddRefs(baseURI),
getter_AddRefs(cssLoader),
getter_AddRefs(cssParser));
if (NS_FAILED(result)) {
return result;
}
PRInt32 hint;
if (doc) {
doc->BeginUpdate();
doc->AttributeWillChange(mContent, kNameSpaceID_None, nsHTMLAtoms::style);
}
result = cssParser->ParseProperty(aPropName, aPropValue, baseURI, decl, &hint);
if (doc) {
doc->AttributeChanged(mContent, kNameSpaceID_None,
nsHTMLAtoms::style,
nsIDOMMutationEvent::MODIFICATION, hint);
doc->EndUpdate();
}
if (cssLoader) {
cssLoader->RecycleParser(cssParser);
}
return NS_OK;
}
nsresult
nsDOMCSSAttributeDeclaration::ParseDeclaration(const nsAReadableString& aDecl,
PRBool aParseOnlyOneDecl,
PRBool aClearOldDecl)
{
nsCOMPtr<nsICSSDeclaration> decl;
nsresult result = GetCSSDeclaration(getter_AddRefs(decl), PR_TRUE);
if (decl) {
nsCOMPtr<nsICSSLoader> cssLoader;
nsCOMPtr<nsICSSParser> cssParser;
nsCOMPtr<nsIURI> baseURI;
nsCOMPtr<nsIDocument> doc;
result = mContent->GetDocument(*getter_AddRefs(doc));
if (NS_FAILED(result)) {
return result;
}
result = GetCSSParsingEnvironment(mContent,
getter_AddRefs(baseURI),
getter_AddRefs(cssLoader),
getter_AddRefs(cssParser));
if (NS_SUCCEEDED(result)) {
PRInt32 hint;
if (doc) {
doc->BeginUpdate();
doc->AttributeWillChange(mContent, kNameSpaceID_None,
nsHTMLAtoms::style);
}
nsCOMPtr<nsICSSDeclaration> declClone;
decl->Clone(*getter_AddRefs(declClone));
if (aClearOldDecl) {
// This should be done with decl->Clear() once such a method exists.
nsAutoString propName;
PRUint32 count, i;
decl->Count(&count);
for (i = 0; i < count; i++) {
decl->GetNthProperty(0, propName);
nsCSSProperty prop = nsCSSProps::LookupProperty(propName);
nsCSSValue val;
decl->RemoveProperty(prop, val);
}
}
result = cssParser->ParseAndAppendDeclaration(aDecl, baseURI, decl,
aParseOnlyOneDecl, &hint);
if (result == NS_CSS_PARSER_DROP_DECLARATION) {
SetCSSDeclaration(declClone);
result = NS_OK;
}
if (doc) {
if (NS_SUCCEEDED(result) && result != NS_CSS_PARSER_DROP_DECLARATION) {
doc->AttributeChanged(mContent, kNameSpaceID_None,
nsHTMLAtoms::style, nsIDOMMutationEvent::MODIFICATION, hint);
}
doc->EndUpdate();
}
if (cssLoader) {
cssLoader->RecycleParser(cssParser);
}
}
}
return result;
}
nsresult
nsDOMCSSAttributeDeclaration::GetParent(nsISupports **aParent)
{
NS_ENSURE_ARG_POINTER(aParent);
*aParent = mContent;
NS_IF_ADDREF(*aParent);
return NS_OK;
}
//----------------------------------------------------------------------
#ifdef GATHER_ELEMENT_USEAGE_STATISTICS
@ -612,6 +259,8 @@ nsGenericHTMLElementTearoff::QueryInterface(REFNSIID aIID, void** aInstancePtr)
return NS_OK;
}
static nsICSSOMFactory* gCSSOMFactory = nsnull;
static NS_DEFINE_CID(kCSSOMFactoryCID, NS_CSSOMFACTORY_CID);
nsGenericHTMLElement::nsGenericHTMLElement()
{
@ -681,6 +330,12 @@ nsGenericHTMLElement::DOMQueryInterface(nsIDOMHTMLElement *aElement,
return NS_OK;
}
/* static */ void
nsGenericHTMLElement::Shutdown()
{
NS_IF_RELEASE(gCSSOMFactory);
}
nsresult
nsGenericHTMLElement::CopyInnerTo(nsIContent* aSrcContent,
nsGenericHTMLElement* aDst,
@ -854,18 +509,21 @@ nsGenericHTMLElement::GetStyle(nsIDOMCSSStyleDeclaration** aStyle)
nsDOMSlots *slots = GetDOMSlots();
if (nsnull == slots->mStyle) {
slots->mStyle = new nsDOMCSSAttributeDeclaration(this);
if (nsnull == slots->mStyle) {
return NS_ERROR_OUT_OF_MEMORY;
if (!gCSSOMFactory) {
res = CallGetService(kCSSOMFactoryCID, &gCSSOMFactory);
if (NS_FAILED(res))
return res;
}
NS_ADDREF(slots->mStyle);
res = gCSSOMFactory->CreateDOMCSSAttributeDeclaration(this,
&slots->mStyle);
if (NS_FAILED(res))
return res;
}
res = slots->mStyle->QueryInterface(NS_GET_IID(nsIDOMCSSStyleDeclaration),
(void **)aStyle);
return res;
// Why bother with QI?
NS_IF_ADDREF(*aStyle = slots->mStyle);
return NS_OK;
}
nsresult

2
content/html/content/src/nsGenericHTMLElement.h
Просмотреть файл

@ -80,6 +80,8 @@ public:
nsresult Init(nsINodeInfo *aNodeInfo);
#endif
static void Shutdown();
NS_IMETHOD QueryInterface(REFNSIID aIID, void** aInstancePtr);
nsresult DOMQueryInterface(nsIDOMHTMLElement *aElement, REFNSIID aIID,

1
content/html/style/src/MANIFEST
Просмотреть файл

@ -9,6 +9,7 @@ nsICSSGroupRule.h
nsICSSImportRule.h
nsICSSMediaRule.h
nsICSSNameSpaceRule.h
nsICSSOMFactory.h
nsICSSRule.h
nsICSSStyleRule.h
nsICSSStyleRuleProcessor.h

3
content/html/style/src/Makefile.in
Просмотреть файл

@ -52,6 +52,7 @@ REQUIRES = xpcom \
CPPSRCS = \
nsCSSDeclaration.cpp \
nsCSSLoader.cpp \
nsCSSOMFactory.cpp \
nsCSSParser.cpp \
nsCSSScanner.cpp \
nsCSSRule.cpp \
@ -60,6 +61,7 @@ CPPSRCS = \
nsCSSStyleSheet.cpp \
nsCSSValue.cpp \
nsComputedDOMStyle.cpp \
nsDOMCSSAttrDeclaration.cpp \
nsDOMCSSDeclaration.cpp \
nsHTMLAttributes.cpp \
nsHTMLStyleSheet.cpp \
@ -79,6 +81,7 @@ EXPORTS = \
nsICSSMediaRule.h \
nsICSSNameSpaceRule.h \
nsICSSDeclaration.h \
nsICSSOMFactory.h \
nsIHTMLCSSStyleSheet.h \
nsIHTMLAttributes.h \
$(NULL)

5
content/html/style/src/makefile.win
Просмотреть файл

@ -56,6 +56,7 @@ EXPORTS = \
nsICSSMediaRule.h \
nsICSSNameSpaceRule.h \
nsICSSDeclaration.h \
nsICSSOMFactory.h \
nsIHTMLCSSStyleSheet.h \
nsDOMCSSDeclaration.h \
nsIHTMLAttributes.h \
@ -65,6 +66,7 @@ CPPSRCS= \
nsHTMLStyleSheet.cpp \
nsCSSDeclaration.cpp \
nsCSSLoader.cpp \
nsCSSOMFactory.cpp \
nsCSSParser.cpp \
nsCSSScanner.cpp \
nsCSSRule.cpp \
@ -74,6 +76,7 @@ CPPSRCS= \
nsCSSValue.cpp \
nsHTMLAttributes.cpp \
nsHTMLCSSStyleSheet.cpp \
nsDOMCSSAttrDeclaration.cpp \
nsDOMCSSDeclaration.cpp \
nsComputedDOMStyle.cpp \
nsROCSSPrimitiveValue.cpp \
@ -83,6 +86,7 @@ CPP_OBJS = \
.\$(OBJDIR)\nsHTMLStyleSheet.obj \
.\$(OBJDIR)\nsCSSDeclaration.obj \
.\$(OBJDIR)\nsCSSLoader.obj \
.\$(OBJDIR)\nsCSSOMFactory.obj \
.\$(OBJDIR)\nsCSSParser.obj \
.\$(OBJDIR)\nsCSSScanner.obj \
.\$(OBJDIR)\nsCSSRule.obj \
@ -92,6 +96,7 @@ CPP_OBJS = \
.\$(OBJDIR)\nsCSSValue.obj \
.\$(OBJDIR)\nsHTMLAttributes.obj \
.\$(OBJDIR)\nsHTMLCSSStyleSheet.obj \
.\$(OBJDIR)\nsDOMCSSAttrDeclaration.obj \
.\$(OBJDIR)\nsDOMCSSDeclaration.obj \
.\$(OBJDIR)\nsComputedDOMStyle.obj \
.\$(OBJDIR)\nsROCSSPrimitiveValue.obj \

65
content/html/style/src/nsCSSOMFactory.cpp Normal file
Просмотреть файл

@ -0,0 +1,65 @@
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
// vim:cindent:ts=8:et:sw=4:
/* ***** 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.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 2001
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* L. David Baron <dbaron@fas.harvard.edu> (original author)
*
* Alternatively, the contents of this file may be used under the terms of
* either 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 "nsCSSOMFactory.h"
#include "nsDOMCSSAttrDeclaration.h"
nsCSSOMFactory::nsCSSOMFactory()
{
}
nsCSSOMFactory::~nsCSSOMFactory()
{
}
NS_IMPL_ISUPPORTS1(nsCSSOMFactory, nsICSSOMFactory)
NS_IMETHODIMP
nsCSSOMFactory::CreateDOMCSSAttributeDeclaration(nsIHTMLContent *aContent,
nsDOMCSSDeclaration **aResult)
{
nsDOMCSSDeclaration *result = new nsDOMCSSAttributeDeclaration(aContent);
if (!result) {
*aResult = 0;
return NS_ERROR_OUT_OF_MEMORY;
}
NS_ADDREF(result);
*aResult = result;
return NS_OK;
}

59
content/html/style/src/nsCSSOMFactory.h Normal file
Просмотреть файл

@ -0,0 +1,59 @@
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
// vim:cindent:ts=8:et:sw=4:
/* ***** 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.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 2001
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* L. David Baron <dbaron@fas.harvard.edu> (original author)
*
* Alternatively, the contents of this file may be used under the terms of
* either 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 ***** */
#ifndef nsCSSOMFactory_h___
#define nsCSSOMFactory_h___
#include "nsICSSOMFactory.h"
class nsCSSOMFactory : public nsICSSOMFactory {
public:
nsCSSOMFactory();
virtual ~nsCSSOMFactory();
NS_DECL_ISUPPORTS
NS_IMETHOD CreateDOMCSSAttributeDeclaration(nsIHTMLContent *aContent,
nsDOMCSSDeclaration **aResult);
};
#endif /* nsCSSOMFactory_h___ */

377
content/html/style/src/nsDOMCSSAttrDeclaration.cpp Normal file
Просмотреть файл

@ -0,0 +1,377 @@
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
* 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 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 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 NPL, 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 NPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsDOMCSSAttrDeclaration.h"
#include "nsICSSDeclaration.h"
#include "nsIDocument.h"
#include "nsHTMLAtoms.h"
#include "nsIHTMLContent.h"
#include "nsIDOMMutationEvent.h"
#include "nsHTMLValue.h"
#include "nsICSSStyleRule.h"
#include "nsINodeInfo.h"
#include "nsICSSLoader.h"
#include "nsICSSParser.h"
#include "nsICSSDeclaration.h"
#include "nsIURI.h"
#include "nsINameSpaceManager.h"
#include "nsIHTMLContentContainer.h"
MOZ_DECL_CTOR_COUNTER(nsDOMCSSAttributeDeclaration)
nsDOMCSSAttributeDeclaration::nsDOMCSSAttributeDeclaration(nsIHTMLContent *aContent)
{
MOZ_COUNT_CTOR(nsDOMCSSAttributeDeclaration);
// This reference is not reference-counted. The content
// object tells us when its about to go away.
mContent = aContent;
}
nsDOMCSSAttributeDeclaration::~nsDOMCSSAttributeDeclaration()
{
MOZ_COUNT_DTOR(nsDOMCSSAttributeDeclaration);
}
NS_IMETHODIMP
nsDOMCSSAttributeDeclaration::RemoveProperty(const nsAReadableString& aPropertyName,
nsAWritableString& aReturn)
{
nsCOMPtr<nsICSSDeclaration> decl;
nsresult rv = GetCSSDeclaration(getter_AddRefs(decl), PR_TRUE);
if (NS_SUCCEEDED(rv) && decl && mContent) {
nsCOMPtr<nsIDocument> doc;
mContent->GetDocument(*getter_AddRefs(doc));
if (doc) {
doc->BeginUpdate();
doc->AttributeWillChange(mContent, kNameSpaceID_None,
nsHTMLAtoms::style);
}
PRInt32 hint;
decl->GetStyleImpact(&hint);
nsCSSProperty prop = nsCSSProps::LookupProperty(aPropertyName);
nsCSSValue val;
rv = decl->RemoveProperty(prop, val);
if (NS_SUCCEEDED(rv)) {
// We pass in eCSSProperty_UNKNOWN here so that we don't get the
// property name in the return string.
val.ToString(aReturn, eCSSProperty_UNKNOWN);
} else {
// If we tried to remove an invalid property or a property that wasn't
// set we simply return success and an empty string
rv = NS_OK;
}
if (doc) {
doc->AttributeChanged(mContent, kNameSpaceID_None, nsHTMLAtoms::style,
nsIDOMMutationEvent::MODIFICATION,
hint);
doc->EndUpdate();
}
}
return rv;
}
void
nsDOMCSSAttributeDeclaration::DropReference()
{
mContent = nsnull;
}
nsresult
nsDOMCSSAttributeDeclaration::GetCSSDeclaration(nsICSSDeclaration **aDecl,
PRBool aAllocate)
{
nsHTMLValue val;
nsIStyleRule* rule;
nsICSSStyleRule* cssRule;
nsresult result = NS_OK;
*aDecl = nsnull;
if (nsnull != mContent) {
mContent->GetHTMLAttribute(nsHTMLAtoms::style, val);
if (eHTMLUnit_ISupports == val.GetUnit()) {
rule = (nsIStyleRule*) val.GetISupportsValue();
result = rule->QueryInterface(NS_GET_IID(nsICSSStyleRule), (void**)&cssRule);
if (NS_OK == result) {
*aDecl = cssRule->GetDeclaration();
NS_RELEASE(cssRule);
}
NS_RELEASE(rule);
}
else if (PR_TRUE == aAllocate) {
result = NS_NewCSSDeclaration(aDecl);
if (NS_OK == result) {
result = NS_NewCSSStyleRule(&cssRule, nsCSSSelector());
if (NS_OK == result) {
cssRule->SetDeclaration(*aDecl);
cssRule->SetWeight(0x7fffffff);
rule = (nsIStyleRule *)cssRule;
result = mContent->SetHTMLAttribute(nsHTMLAtoms::style,
nsHTMLValue(cssRule),
PR_FALSE);
NS_RELEASE(cssRule);
}
else {
NS_RELEASE(*aDecl);
}
}
}
}
return result;
}
nsresult
nsDOMCSSAttributeDeclaration::SetCSSDeclaration(nsICSSDeclaration *aDecl)
{
nsHTMLValue val;
nsIStyleRule* rule;
nsICSSStyleRule* cssRule;
nsresult result = NS_OK;
if (nsnull != mContent) {
mContent->GetHTMLAttribute(nsHTMLAtoms::style, val);
if (eHTMLUnit_ISupports == val.GetUnit()) {
rule = (nsIStyleRule*) val.GetISupportsValue();
result = rule->QueryInterface(NS_GET_IID(nsICSSStyleRule), (void**)&cssRule);
if (NS_OK == result) {
cssRule->SetDeclaration(aDecl);
NS_RELEASE(cssRule);
}
NS_RELEASE(rule);
}
}
return result;
}
/*
* This is a utility function. It will only fail if it can't get a
* parser. This means it can return NS_OK without aURI or aCSSLoader
* being initialized
*/
nsresult
nsDOMCSSAttributeDeclaration::GetCSSParsingEnvironment(nsIContent* aContent,
nsIURI** aBaseURI,
nsICSSLoader** aCSSLoader,
nsICSSParser** aCSSParser)
{
NS_ASSERTION(aContent, "Something is severely broken -- there should be an nsIContent here!");
// null out the out params since some of them may not get initialized below
*aBaseURI = nsnull;
*aCSSLoader = nsnull;
*aCSSParser = nsnull;
nsCOMPtr<nsINodeInfo> nodeInfo;
nsresult result = aContent->GetNodeInfo(*getter_AddRefs(nodeInfo));
if (NS_FAILED(result)) {
return result;
}
nsCOMPtr<nsIDocument> doc;
result = nodeInfo->GetDocument(*getter_AddRefs(doc));
if (NS_FAILED(result)) {
return result;
}
if (doc) {
doc->GetBaseURL(*aBaseURI);
nsCOMPtr<nsIHTMLContentContainer> htmlContainer(do_QueryInterface(doc));
if (htmlContainer) {
htmlContainer->GetCSSLoader(*aCSSLoader);
}
NS_ASSERTION(*aCSSLoader, "Document with no CSS loader!");
}
if (*aCSSLoader) {
result = (*aCSSLoader)->GetParserFor(nsnull, aCSSParser);
} else {
result = NS_NewCSSParser(aCSSParser);
}
if (NS_FAILED(result)) {
return result;
}
// look up our namespace. If we're XHTML, we need to be case-sensitive
// Otherwise, we should not be
(*aCSSParser)->SetCaseSensitive(nodeInfo->NamespaceEquals(kNameSpaceID_XHTML));
return NS_OK;
}
nsresult
nsDOMCSSAttributeDeclaration::ParsePropertyValue(const nsAReadableString& aPropName,
const nsAReadableString& aPropValue)
{
nsCOMPtr<nsICSSDeclaration> decl;
nsresult result = GetCSSDeclaration(getter_AddRefs(decl), PR_TRUE);
if (!decl) {
return result;
}
nsCOMPtr<nsICSSLoader> cssLoader;
nsCOMPtr<nsICSSParser> cssParser;
nsCOMPtr<nsIURI> baseURI;
nsCOMPtr<nsIDocument> doc;
result = mContent->GetDocument(*getter_AddRefs(doc));
if (NS_FAILED(result)) {
return result;
}
result = GetCSSParsingEnvironment(mContent,
getter_AddRefs(baseURI),
getter_AddRefs(cssLoader),
getter_AddRefs(cssParser));
if (NS_FAILED(result)) {
return result;
}
PRInt32 hint;
if (doc) {
doc->BeginUpdate();
doc->AttributeWillChange(mContent, kNameSpaceID_None, nsHTMLAtoms::style);
}
result = cssParser->ParseProperty(aPropName, aPropValue, baseURI, decl, &hint);
if (doc) {
doc->AttributeChanged(mContent, kNameSpaceID_None,
nsHTMLAtoms::style,
nsIDOMMutationEvent::MODIFICATION, hint);
doc->EndUpdate();
}
if (cssLoader) {
cssLoader->RecycleParser(cssParser);
}
return NS_OK;
}
nsresult
nsDOMCSSAttributeDeclaration::ParseDeclaration(const nsAReadableString& aDecl,
PRBool aParseOnlyOneDecl,
PRBool aClearOldDecl)
{
nsCOMPtr<nsICSSDeclaration> decl;
nsresult result = GetCSSDeclaration(getter_AddRefs(decl), PR_TRUE);
if (decl) {
nsCOMPtr<nsICSSLoader> cssLoader;
nsCOMPtr<nsICSSParser> cssParser;
nsCOMPtr<nsIURI> baseURI;
nsCOMPtr<nsIDocument> doc;
result = mContent->GetDocument(*getter_AddRefs(doc));
if (NS_FAILED(result)) {
return result;
}
result = GetCSSParsingEnvironment(mContent,
getter_AddRefs(baseURI),
getter_AddRefs(cssLoader),
getter_AddRefs(cssParser));
if (NS_SUCCEEDED(result)) {
PRInt32 hint;
if (doc) {
doc->BeginUpdate();
doc->AttributeWillChange(mContent, kNameSpaceID_None,
nsHTMLAtoms::style);
}
nsCOMPtr<nsICSSDeclaration> declClone;
decl->Clone(*getter_AddRefs(declClone));
if (aClearOldDecl) {
// This should be done with decl->Clear() once such a method exists.
nsAutoString propName;
PRUint32 count, i;
decl->Count(&count);
for (i = 0; i < count; i++) {
decl->GetNthProperty(0, propName);
nsCSSProperty prop = nsCSSProps::LookupProperty(propName);
nsCSSValue val;
decl->RemoveProperty(prop, val);
}
}
result = cssParser->ParseAndAppendDeclaration(aDecl, baseURI, decl,
aParseOnlyOneDecl, &hint);
if (result == NS_CSS_PARSER_DROP_DECLARATION) {
SetCSSDeclaration(declClone);
result = NS_OK;
}
if (doc) {
if (NS_SUCCEEDED(result) && result != NS_CSS_PARSER_DROP_DECLARATION) {
doc->AttributeChanged(mContent, kNameSpaceID_None,
nsHTMLAtoms::style, nsIDOMMutationEvent::MODIFICATION, hint);
}
doc->EndUpdate();
}
if (cssLoader) {
cssLoader->RecycleParser(cssParser);
}
}
}
return result;
}
nsresult
nsDOMCSSAttributeDeclaration::GetParent(nsISupports **aParent)
{
NS_ENSURE_ARG_POINTER(aParent);
*aParent = mContent;
NS_IF_ADDREF(*aParent);
return NS_OK;
}

80
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
* 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 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 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 NPL, 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 NPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef nsDOMCSSAttributeDeclaration_h___
#define nsDOMCSSAttributeDeclaration_h___
#include "nsIDOMCSSStyleDeclaration.h"
#include "nsDOMCSSDeclaration.h"
#include "nsString.h"
class nsIContent;
class nsIHTMLContent;
class nsICSSLoader;
class nsICSSParser;
class nsDOMCSSAttributeDeclaration : public nsDOMCSSDeclaration
{
public:
nsDOMCSSAttributeDeclaration(nsIHTMLContent *aContent);
~nsDOMCSSAttributeDeclaration();
NS_IMETHOD RemoveProperty(const nsAReadableString& aPropertyName,
nsAWritableString& aReturn);
virtual void DropReference();
virtual nsresult GetCSSDeclaration(nsICSSDeclaration **aDecl,
PRBool aAllocate);
virtual nsresult SetCSSDeclaration(nsICSSDeclaration *aDecl);
virtual nsresult GetCSSParsingEnvironment(nsIContent* aContent,
nsIURI** aBaseURI,
nsICSSLoader** aCSSLoader,
nsICSSParser** aCSSParser);
virtual nsresult ParsePropertyValue(const nsAReadableString& aPropName,
const nsAReadableString& aPropValue);
virtual nsresult ParseDeclaration(const nsAReadableString& aDecl,
PRBool aParseOnlyOneDecl,
PRBool aClearOldDecl);
virtual nsresult GetParent(nsISupports **aParent);
protected:
nsIHTMLContent *mContent;
};
#endif /* nsDOMCSSAttributeDeclaration_h___ */

65
content/html/style/src/nsICSSOMFactory.h Normal file
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
// vim:cindent:ts=8:et:sw=4:
/* ***** 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.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 2001
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* L. David Baron <dbaron@fas.harvard.edu> (original author)
*
* Alternatively, the contents of this file may be used under the terms of
* either 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 ***** */
#ifndef nsICSSOMFactory_h___
#define nsICSSOMFactory_h___
#include "nsISupports.h"
class nsDOMCSSDeclaration;
class nsIHTMLContent;
// bfdd87bd-79c8-4041-ae14-91fa8536ce61
#define NS_ICSSOMFACTORY_IID \
{ 0xbfdd87bd, 0x79c8, 0x4041, \
{0xae, 0x14, 0x91, 0xfa, 0x85, 0x36, 0xce, 0x61 } }
// 5fcaa2c1-7ca4-4f73-a357-93e79d709376
#define NS_CSSOMFACTORY_CID \
{ 0x5fcaa2c1, 0x7ca4, 0x4f73, \
{0xa3, 0x57, 0x93, 0xe7, 0x9d, 0x70, 0x93, 0x76 } }
class nsICSSOMFactory : public nsISupports {
public:
NS_DEFINE_STATIC_IID_ACCESSOR(NS_ICSSOMFACTORY_IID)
NS_IMETHOD CreateDOMCSSAttributeDeclaration(nsIHTMLContent *aContent,
nsDOMCSSDeclaration **aResult) = 0;
};
#endif /* nsICSSOMFactory_h___ */

Двоичные данные
content/macbuild/content.mcp
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65
layout/style/nsCSSOMFactory.cpp Normal file
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
// vim:cindent:ts=8:et:sw=4:
/* ***** 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.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 2001
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* L. David Baron <dbaron@fas.harvard.edu> (original author)
*
* Alternatively, the contents of this file may be used under the terms of
* either 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 "nsCSSOMFactory.h"
#include "nsDOMCSSAttrDeclaration.h"
nsCSSOMFactory::nsCSSOMFactory()
{
}
nsCSSOMFactory::~nsCSSOMFactory()
{
}
NS_IMPL_ISUPPORTS1(nsCSSOMFactory, nsICSSOMFactory)
NS_IMETHODIMP
nsCSSOMFactory::CreateDOMCSSAttributeDeclaration(nsIHTMLContent *aContent,
nsDOMCSSDeclaration **aResult)
{
nsDOMCSSDeclaration *result = new nsDOMCSSAttributeDeclaration(aContent);
if (!result) {
*aResult = 0;
return NS_ERROR_OUT_OF_MEMORY;
}
NS_ADDREF(result);
*aResult = result;
return NS_OK;
}

59
layout/style/nsCSSOMFactory.h Normal file
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
// vim:cindent:ts=8:et:sw=4:
/* ***** 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.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 2001
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* L. David Baron <dbaron@fas.harvard.edu> (original author)
*
* Alternatively, the contents of this file may be used under the terms of
* either 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 ***** */
#ifndef nsCSSOMFactory_h___
#define nsCSSOMFactory_h___
#include "nsICSSOMFactory.h"
class nsCSSOMFactory : public nsICSSOMFactory {
public:
nsCSSOMFactory();
virtual ~nsCSSOMFactory();
NS_DECL_ISUPPORTS
NS_IMETHOD CreateDOMCSSAttributeDeclaration(nsIHTMLContent *aContent,
nsDOMCSSDeclaration **aResult);
};
#endif /* nsCSSOMFactory_h___ */

377
layout/style/nsDOMCSSAttrDeclaration.cpp Normal file
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
* 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 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 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 NPL, 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 NPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsDOMCSSAttrDeclaration.h"
#include "nsICSSDeclaration.h"
#include "nsIDocument.h"
#include "nsHTMLAtoms.h"
#include "nsIHTMLContent.h"
#include "nsIDOMMutationEvent.h"
#include "nsHTMLValue.h"
#include "nsICSSStyleRule.h"
#include "nsINodeInfo.h"
#include "nsICSSLoader.h"
#include "nsICSSParser.h"
#include "nsICSSDeclaration.h"
#include "nsIURI.h"
#include "nsINameSpaceManager.h"
#include "nsIHTMLContentContainer.h"
MOZ_DECL_CTOR_COUNTER(nsDOMCSSAttributeDeclaration)
nsDOMCSSAttributeDeclaration::nsDOMCSSAttributeDeclaration(nsIHTMLContent *aContent)
{
MOZ_COUNT_CTOR(nsDOMCSSAttributeDeclaration);
// This reference is not reference-counted. The content
// object tells us when its about to go away.
mContent = aContent;
}
nsDOMCSSAttributeDeclaration::~nsDOMCSSAttributeDeclaration()
{
MOZ_COUNT_DTOR(nsDOMCSSAttributeDeclaration);
}
NS_IMETHODIMP
nsDOMCSSAttributeDeclaration::RemoveProperty(const nsAReadableString& aPropertyName,
nsAWritableString& aReturn)
{
nsCOMPtr<nsICSSDeclaration> decl;
nsresult rv = GetCSSDeclaration(getter_AddRefs(decl), PR_TRUE);
if (NS_SUCCEEDED(rv) && decl && mContent) {
nsCOMPtr<nsIDocument> doc;
mContent->GetDocument(*getter_AddRefs(doc));
if (doc) {
doc->BeginUpdate();
doc->AttributeWillChange(mContent, kNameSpaceID_None,
nsHTMLAtoms::style);
}
PRInt32 hint;
decl->GetStyleImpact(&hint);
nsCSSProperty prop = nsCSSProps::LookupProperty(aPropertyName);
nsCSSValue val;
rv = decl->RemoveProperty(prop, val);
if (NS_SUCCEEDED(rv)) {
// We pass in eCSSProperty_UNKNOWN here so that we don't get the
// property name in the return string.
val.ToString(aReturn, eCSSProperty_UNKNOWN);
} else {
// If we tried to remove an invalid property or a property that wasn't
// set we simply return success and an empty string
rv = NS_OK;
}
if (doc) {
doc->AttributeChanged(mContent, kNameSpaceID_None, nsHTMLAtoms::style,
nsIDOMMutationEvent::MODIFICATION,
hint);
doc->EndUpdate();
}
}
return rv;
}
void
nsDOMCSSAttributeDeclaration::DropReference()
{
mContent = nsnull;
}
nsresult
nsDOMCSSAttributeDeclaration::GetCSSDeclaration(nsICSSDeclaration **aDecl,
PRBool aAllocate)
{
nsHTMLValue val;
nsIStyleRule* rule;
nsICSSStyleRule* cssRule;
nsresult result = NS_OK;
*aDecl = nsnull;
if (nsnull != mContent) {
mContent->GetHTMLAttribute(nsHTMLAtoms::style, val);
if (eHTMLUnit_ISupports == val.GetUnit()) {
rule = (nsIStyleRule*) val.GetISupportsValue();
result = rule->QueryInterface(NS_GET_IID(nsICSSStyleRule), (void**)&cssRule);
if (NS_OK == result) {
*aDecl = cssRule->GetDeclaration();
NS_RELEASE(cssRule);
}
NS_RELEASE(rule);
}
else if (PR_TRUE == aAllocate) {
result = NS_NewCSSDeclaration(aDecl);
if (NS_OK == result) {
result = NS_NewCSSStyleRule(&cssRule, nsCSSSelector());
if (NS_OK == result) {
cssRule->SetDeclaration(*aDecl);
cssRule->SetWeight(0x7fffffff);
rule = (nsIStyleRule *)cssRule;
result = mContent->SetHTMLAttribute(nsHTMLAtoms::style,
nsHTMLValue(cssRule),
PR_FALSE);
NS_RELEASE(cssRule);
}
else {
NS_RELEASE(*aDecl);
}
}
}
}
return result;
}
nsresult
nsDOMCSSAttributeDeclaration::SetCSSDeclaration(nsICSSDeclaration *aDecl)
{
nsHTMLValue val;
nsIStyleRule* rule;
nsICSSStyleRule* cssRule;
nsresult result = NS_OK;
if (nsnull != mContent) {
mContent->GetHTMLAttribute(nsHTMLAtoms::style, val);
if (eHTMLUnit_ISupports == val.GetUnit()) {
rule = (nsIStyleRule*) val.GetISupportsValue();
result = rule->QueryInterface(NS_GET_IID(nsICSSStyleRule), (void**)&cssRule);
if (NS_OK == result) {
cssRule->SetDeclaration(aDecl);
NS_RELEASE(cssRule);
}
NS_RELEASE(rule);
}
}
return result;
}
/*
* This is a utility function. It will only fail if it can't get a
* parser. This means it can return NS_OK without aURI or aCSSLoader
* being initialized
*/
nsresult
nsDOMCSSAttributeDeclaration::GetCSSParsingEnvironment(nsIContent* aContent,
nsIURI** aBaseURI,
nsICSSLoader** aCSSLoader,
nsICSSParser** aCSSParser)
{
NS_ASSERTION(aContent, "Something is severely broken -- there should be an nsIContent here!");
// null out the out params since some of them may not get initialized below
*aBaseURI = nsnull;
*aCSSLoader = nsnull;
*aCSSParser = nsnull;
nsCOMPtr<nsINodeInfo> nodeInfo;
nsresult result = aContent->GetNodeInfo(*getter_AddRefs(nodeInfo));
if (NS_FAILED(result)) {
return result;
}
nsCOMPtr<nsIDocument> doc;
result = nodeInfo->GetDocument(*getter_AddRefs(doc));
if (NS_FAILED(result)) {
return result;
}
if (doc) {
doc->GetBaseURL(*aBaseURI);
nsCOMPtr<nsIHTMLContentContainer> htmlContainer(do_QueryInterface(doc));
if (htmlContainer) {
htmlContainer->GetCSSLoader(*aCSSLoader);
}
NS_ASSERTION(*aCSSLoader, "Document with no CSS loader!");
}
if (*aCSSLoader) {
result = (*aCSSLoader)->GetParserFor(nsnull, aCSSParser);
} else {
result = NS_NewCSSParser(aCSSParser);
}
if (NS_FAILED(result)) {
return result;
}
// look up our namespace. If we're XHTML, we need to be case-sensitive
// Otherwise, we should not be
(*aCSSParser)->SetCaseSensitive(nodeInfo->NamespaceEquals(kNameSpaceID_XHTML));
return NS_OK;
}
nsresult
nsDOMCSSAttributeDeclaration::ParsePropertyValue(const nsAReadableString& aPropName,
const nsAReadableString& aPropValue)
{
nsCOMPtr<nsICSSDeclaration> decl;
nsresult result = GetCSSDeclaration(getter_AddRefs(decl), PR_TRUE);
if (!decl) {
return result;
}
nsCOMPtr<nsICSSLoader> cssLoader;
nsCOMPtr<nsICSSParser> cssParser;
nsCOMPtr<nsIURI> baseURI;
nsCOMPtr<nsIDocument> doc;
result = mContent->GetDocument(*getter_AddRefs(doc));
if (NS_FAILED(result)) {
return result;
}
result = GetCSSParsingEnvironment(mContent,
getter_AddRefs(baseURI),
getter_AddRefs(cssLoader),
getter_AddRefs(cssParser));
if (NS_FAILED(result)) {
return result;
}
PRInt32 hint;
if (doc) {
doc->BeginUpdate();
doc->AttributeWillChange(mContent, kNameSpaceID_None, nsHTMLAtoms::style);
}
result = cssParser->ParseProperty(aPropName, aPropValue, baseURI, decl, &hint);
if (doc) {
doc->AttributeChanged(mContent, kNameSpaceID_None,
nsHTMLAtoms::style,
nsIDOMMutationEvent::MODIFICATION, hint);
doc->EndUpdate();
}
if (cssLoader) {
cssLoader->RecycleParser(cssParser);
}
return NS_OK;
}
nsresult
nsDOMCSSAttributeDeclaration::ParseDeclaration(const nsAReadableString& aDecl,
PRBool aParseOnlyOneDecl,
PRBool aClearOldDecl)
{
nsCOMPtr<nsICSSDeclaration> decl;
nsresult result = GetCSSDeclaration(getter_AddRefs(decl), PR_TRUE);
if (decl) {
nsCOMPtr<nsICSSLoader> cssLoader;
nsCOMPtr<nsICSSParser> cssParser;
nsCOMPtr<nsIURI> baseURI;
nsCOMPtr<nsIDocument> doc;
result = mContent->GetDocument(*getter_AddRefs(doc));
if (NS_FAILED(result)) {
return result;
}
result = GetCSSParsingEnvironment(mContent,
getter_AddRefs(baseURI),
getter_AddRefs(cssLoader),
getter_AddRefs(cssParser));
if (NS_SUCCEEDED(result)) {
PRInt32 hint;
if (doc) {
doc->BeginUpdate();
doc->AttributeWillChange(mContent, kNameSpaceID_None,
nsHTMLAtoms::style);
}
nsCOMPtr<nsICSSDeclaration> declClone;
decl->Clone(*getter_AddRefs(declClone));
if (aClearOldDecl) {
// This should be done with decl->Clear() once such a method exists.
nsAutoString propName;
PRUint32 count, i;
decl->Count(&count);
for (i = 0; i < count; i++) {
decl->GetNthProperty(0, propName);
nsCSSProperty prop = nsCSSProps::LookupProperty(propName);
nsCSSValue val;
decl->RemoveProperty(prop, val);
}
}
result = cssParser->ParseAndAppendDeclaration(aDecl, baseURI, decl,
aParseOnlyOneDecl, &hint);
if (result == NS_CSS_PARSER_DROP_DECLARATION) {
SetCSSDeclaration(declClone);
result = NS_OK;
}
if (doc) {
if (NS_SUCCEEDED(result) && result != NS_CSS_PARSER_DROP_DECLARATION) {
doc->AttributeChanged(mContent, kNameSpaceID_None,
nsHTMLAtoms::style, nsIDOMMutationEvent::MODIFICATION, hint);
}
doc->EndUpdate();
}
if (cssLoader) {
cssLoader->RecycleParser(cssParser);
}
}
}
return result;
}
nsresult
nsDOMCSSAttributeDeclaration::GetParent(nsISupports **aParent)
{
NS_ENSURE_ARG_POINTER(aParent);
*aParent = mContent;
NS_IF_ADDREF(*aParent);
return NS_OK;
}

80
layout/style/nsDOMCSSAttrDeclaration.h Normal file
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
* 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 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 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 NPL, 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 NPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef nsDOMCSSAttributeDeclaration_h___
#define nsDOMCSSAttributeDeclaration_h___
#include "nsIDOMCSSStyleDeclaration.h"
#include "nsDOMCSSDeclaration.h"
#include "nsString.h"
class nsIContent;
class nsIHTMLContent;
class nsICSSLoader;
class nsICSSParser;
class nsDOMCSSAttributeDeclaration : public nsDOMCSSDeclaration
{
public:
nsDOMCSSAttributeDeclaration(nsIHTMLContent *aContent);
~nsDOMCSSAttributeDeclaration();
NS_IMETHOD RemoveProperty(const nsAReadableString& aPropertyName,
nsAWritableString& aReturn);
virtual void DropReference();
virtual nsresult GetCSSDeclaration(nsICSSDeclaration **aDecl,
PRBool aAllocate);
virtual nsresult SetCSSDeclaration(nsICSSDeclaration *aDecl);
virtual nsresult GetCSSParsingEnvironment(nsIContent* aContent,
nsIURI** aBaseURI,
nsICSSLoader** aCSSLoader,
nsICSSParser** aCSSParser);
virtual nsresult ParsePropertyValue(const nsAReadableString& aPropName,
const nsAReadableString& aPropValue);
virtual nsresult ParseDeclaration(const nsAReadableString& aDecl,
PRBool aParseOnlyOneDecl,
PRBool aClearOldDecl);
virtual nsresult GetParent(nsISupports **aParent);
protected:
nsIHTMLContent *mContent;
};
#endif /* nsDOMCSSAttributeDeclaration_h___ */

65
layout/style/nsICSSOMFactory.h Normal file
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
// vim:cindent:ts=8:et:sw=4:
/* ***** 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.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 2001
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* L. David Baron <dbaron@fas.harvard.edu> (original author)
*
* Alternatively, the contents of this file may be used under the terms of
* either 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 ***** */
#ifndef nsICSSOMFactory_h___
#define nsICSSOMFactory_h___
#include "nsISupports.h"
class nsDOMCSSDeclaration;
class nsIHTMLContent;
// bfdd87bd-79c8-4041-ae14-91fa8536ce61
#define NS_ICSSOMFACTORY_IID \
{ 0xbfdd87bd, 0x79c8, 0x4041, \
{0xae, 0x14, 0x91, 0xfa, 0x85, 0x36, 0xce, 0x61 } }
// 5fcaa2c1-7ca4-4f73-a357-93e79d709376
#define NS_CSSOMFACTORY_CID \
{ 0x5fcaa2c1, 0x7ca4, 0x4f73, \
{0xa3, 0x57, 0x93, 0xe7, 0x9d, 0x70, 0x93, 0x76 } }
class nsICSSOMFactory : public nsISupports {
public:
NS_DEFINE_STATIC_IID_ACCESSOR(NS_ICSSOMFACTORY_IID)
NS_IMETHOD CreateDOMCSSAttributeDeclaration(nsIHTMLContent *aContent,
nsDOMCSSDeclaration **aResult) = 0;
};
#endif /* nsICSSOMFactory_h___ */