зеркало из https://github.com/mozilla/pjs.git
1286 строки
35 KiB
C++
1286 строки
35 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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* Pierre Phaneuf <pp@ludusdesign.com>
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*
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* This Original Code has been modified by IBM Corporation. Modifications made by IBM
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* described herein are Copyright (c) International Business Machines Corporation, 2000.
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* Modifications to Mozilla code or documentation identified per MPL Section 3.3
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*
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* Date Modified by Description of modification
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* 04/20/2000 IBM Corp. OS/2 VisualAge build.
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*/
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#include "nsINameSpaceManager.h"
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#include "nsIHTMLStyleSheet.h"
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#include "nsIArena.h"
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#include "nsCRT.h"
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#include "nsIAtom.h"
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#include "nsIURL.h"
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#include "nsIServiceManager.h"
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#include "nsISupportsArray.h"
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#include "pldhash.h"
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#include "nsIHTMLContent.h"
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#include "nsHTMLAttributes.h"
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#include "nsILink.h"
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#include "nsIStyleRuleProcessor.h"
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#include "nsIStyleRule.h"
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#include "nsIFrame.h"
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#include "nsStyleContext.h"
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#include "nsHTMLAtoms.h"
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#include "nsIPresContext.h"
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#include "nsIEventStateManager.h"
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#include "nsIDocument.h"
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#include "nsICSSFrameConstructor.h"
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#include "nsIStyleFrameConstruction.h"
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#include "nsHTMLParts.h"
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#include "nsIPresShell.h"
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#include "nsStyleConsts.h"
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#include "nsLayoutAtoms.h"
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#include "nsLayoutCID.h"
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#include "nsIDOMHTMLDocument.h"
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#include "nsIDOMHTMLElement.h"
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#include "nsCSSAnonBoxes.h"
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#include "nsRuleWalker.h"
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#include "nsIStyleSet.h"
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static NS_DEFINE_CID(kCSSFrameConstructorCID, NS_CSSFRAMECONSTRUCTOR_CID);
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class HTMLColorRule : public nsIStyleRule {
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public:
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HTMLColorRule(nsIHTMLStyleSheet* aSheet);
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virtual ~HTMLColorRule();
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NS_DECL_ISUPPORTS
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NS_IMETHOD GetStyleSheet(nsIStyleSheet*& aSheet) const;
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// The new mapping function.
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NS_IMETHOD MapRuleInfoInto(nsRuleData* aRuleData);
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#ifdef DEBUG
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NS_IMETHOD List(FILE* out = stdout, PRInt32 aIndent = 0) const;
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#endif
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nscolor mColor;
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nsIHTMLStyleSheet* mSheet;
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};
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class HTMLDocumentColorRule : public HTMLColorRule {
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public:
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HTMLDocumentColorRule(nsIHTMLStyleSheet* aSheet);
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virtual ~HTMLDocumentColorRule();
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NS_IMETHOD MapRuleInfoInto(nsRuleData* aRuleData);
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protected:
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void Initialize(nsIPresContext* aPresContext);
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PRBool mInitialized;
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};
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HTMLColorRule::HTMLColorRule(nsIHTMLStyleSheet* aSheet)
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: mSheet(aSheet)
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{
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}
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HTMLColorRule::~HTMLColorRule()
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{
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}
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NS_IMPL_ISUPPORTS1(HTMLColorRule, nsIStyleRule)
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NS_IMETHODIMP
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HTMLColorRule::GetStyleSheet(nsIStyleSheet*& aSheet) const
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{
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NS_IF_ADDREF(mSheet);
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aSheet = mSheet;
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return NS_OK;
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}
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NS_IMETHODIMP
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HTMLColorRule::MapRuleInfoInto(nsRuleData* aRuleData)
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{
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if (aRuleData->mSID == eStyleStruct_Color) {
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if (aRuleData->mColorData->mColor.GetUnit() == eCSSUnit_Null)
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aRuleData->mColorData->mColor = nsCSSValue(mColor);
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}
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return NS_OK;
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}
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#ifdef DEBUG
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NS_IMETHODIMP
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HTMLColorRule::List(FILE* out, PRInt32 aIndent) const
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{
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return NS_OK;
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}
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#endif
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HTMLDocumentColorRule::HTMLDocumentColorRule(nsIHTMLStyleSheet* aSheet)
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: HTMLColorRule(aSheet),
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mInitialized(PR_FALSE)
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{
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}
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HTMLDocumentColorRule::~HTMLDocumentColorRule()
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{
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}
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NS_IMETHODIMP
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HTMLDocumentColorRule::MapRuleInfoInto(nsRuleData* aRuleData)
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{
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if (aRuleData->mSID == eStyleStruct_Color) {
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if (aRuleData->mColorData->mColor.GetUnit() == eCSSUnit_Null) {
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if (!mInitialized)
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Initialize(aRuleData->mPresContext);
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nsCSSValue val; val.SetColorValue(mColor);
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aRuleData->mColorData->mColor = val;
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}
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}
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return NS_OK;
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}
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void
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HTMLDocumentColorRule::Initialize(nsIPresContext* aPresContext)
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{
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aPresContext->GetDefaultColor(&mColor); // in case something below fails
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nsCOMPtr<nsIPresShell> shell;
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aPresContext->GetShell(getter_AddRefs(shell));
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nsCOMPtr<nsIDocument> doc;
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shell->GetDocument(getter_AddRefs(doc));
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nsCOMPtr<nsIDOMHTMLDocument> domdoc = do_QueryInterface(doc);
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if (!domdoc)
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return;
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nsCOMPtr<nsIDOMHTMLElement> body;
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domdoc->GetBody(getter_AddRefs(body));
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nsCOMPtr<nsIContent> bodyContent = do_QueryInterface(body);
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nsIFrame *bodyFrame;
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shell->GetPrimaryFrameFor(bodyContent, &bodyFrame);
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if (!bodyFrame)
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return;
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const nsStyleColor *bodyColor;
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::GetStyleData(bodyFrame, &bodyColor);
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mColor = bodyColor->mColor;
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}
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class GenericTableRule: public nsIStyleRule {
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public:
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GenericTableRule(nsIHTMLStyleSheet* aSheet);
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virtual ~GenericTableRule();
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NS_DECL_ISUPPORTS
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NS_IMETHOD GetStyleSheet(nsIStyleSheet*& aSheet) const;
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// The new mapping function.
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NS_IMETHOD MapRuleInfoInto(nsRuleData* aRuleData);
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#ifdef DEBUG
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NS_IMETHOD List(FILE* out = stdout, PRInt32 aIndent = 0) const;
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#endif
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nsIHTMLStyleSheet* mSheet; // not ref-counted, cleared by content
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};
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GenericTableRule::GenericTableRule(nsIHTMLStyleSheet* aSheet)
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{
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mSheet = aSheet;
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}
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GenericTableRule::~GenericTableRule()
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{
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}
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NS_IMPL_ISUPPORTS1(GenericTableRule, nsIStyleRule)
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NS_IMETHODIMP
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GenericTableRule::GetStyleSheet(nsIStyleSheet*& aSheet) const
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{
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aSheet = mSheet;
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return NS_OK;
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}
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NS_IMETHODIMP
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GenericTableRule::MapRuleInfoInto(nsRuleData* aRuleData)
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{
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// Nothing to do.
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return NS_OK;
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}
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#ifdef DEBUG
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NS_IMETHODIMP
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GenericTableRule::List(FILE* out, PRInt32 aIndent) const
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{
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return NS_OK;
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}
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#endif
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// -----------------------------------------------------------
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// this rule handles <th> inheritance
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// -----------------------------------------------------------
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class TableTHRule: public GenericTableRule {
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public:
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TableTHRule(nsIHTMLStyleSheet* aSheet);
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virtual ~TableTHRule();
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NS_IMETHOD MapRuleInfoInto(nsRuleData* aRuleData);
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};
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TableTHRule::TableTHRule(nsIHTMLStyleSheet* aSheet)
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: GenericTableRule(aSheet)
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{
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}
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TableTHRule::~TableTHRule()
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{
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}
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static void PostResolveCallback(nsStyleStruct* aStyleStruct, nsRuleData* aRuleData)
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{
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nsStyleText* text = (nsStyleText*)aStyleStruct;
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if (text->mTextAlign == NS_STYLE_TEXT_ALIGN_DEFAULT) {
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nsStyleContext* parentContext = aRuleData->mStyleContext->GetParent();
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if (parentContext) {
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const nsStyleText* parentStyleText =
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(const nsStyleText*)parentContext->GetStyleData(eStyleStruct_Text);
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PRUint8 parentAlign = parentStyleText->mTextAlign;
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text->mTextAlign = (NS_STYLE_TEXT_ALIGN_DEFAULT == parentAlign)
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? NS_STYLE_TEXT_ALIGN_CENTER : parentAlign;
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}
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}
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}
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NS_IMETHODIMP
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TableTHRule::MapRuleInfoInto(nsRuleData* aRuleData)
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{
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if (aRuleData && aRuleData->mSID == eStyleStruct_Text) {
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aRuleData->mCanStoreInRuleTree = PR_FALSE;
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aRuleData->mPostResolveCallback = &PostResolveCallback;
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}
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return NS_OK;
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}
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static void
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ProcessTableRulesAttribute(nsStyleStruct* aStyleStruct,
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nsRuleData* aRuleData,
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PRUint8 aSide,
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PRBool aGroup,
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PRUint8 aRulesArg1,
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PRUint8 aRulesArg2,
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PRUint8 aRulesArg3)
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{
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if (!aStyleStruct || !aRuleData || !aRuleData->mPresContext) return;
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nsStyleContext* tableContext = aRuleData->mStyleContext->GetParent();
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if (!tableContext)
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return;
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if (!aGroup) {
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tableContext = tableContext->GetParent();
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if (!tableContext)
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return;
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}
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const nsStyleTable* tableData =
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(const nsStyleTable*)tableContext->GetStyleData(eStyleStruct_Table);
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if (tableData && ((aRulesArg1 == tableData->mRules) ||
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(aRulesArg2 == tableData->mRules) ||
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(aRulesArg3 == tableData->mRules))) {
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const nsStyleBorder* tableBorderData =
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(const nsStyleBorder*)tableContext->GetStyleData(eStyleStruct_Border);
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if (!tableBorderData)
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return;
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PRUint8 tableBorderStyle = tableBorderData->GetBorderStyle(aSide);
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nsStyleBorder* borderData = (nsStyleBorder*)aStyleStruct;
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if (!borderData)
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return;
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PRUint8 borderStyle = borderData->GetBorderStyle(aSide);
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// XXX It appears that the style system erronously applies the custom style rule after css style,
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// consequently it does not properly fit into the casade. For now, assume that a border style of none
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// implies that the style has not been set.
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if (NS_STYLE_BORDER_STYLE_NONE == borderStyle) {
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// use the table's border style if it is dashed or dotted, otherwise use solid
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PRUint8 bStyle = ((NS_STYLE_BORDER_STYLE_NONE != tableBorderStyle) &&
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(NS_STYLE_BORDER_STYLE_HIDDEN != tableBorderStyle))
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? tableBorderStyle : NS_STYLE_BORDER_STYLE_SOLID;
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if ((NS_STYLE_BORDER_STYLE_DASHED != bStyle) &&
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(NS_STYLE_BORDER_STYLE_DOTTED != bStyle) &&
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(NS_STYLE_BORDER_STYLE_SOLID != bStyle)) {
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bStyle = NS_STYLE_BORDER_STYLE_SOLID;
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}
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bStyle |= NS_STYLE_BORDER_STYLE_RULES_MASK;
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borderData->SetBorderStyle(aSide, bStyle);
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nscolor borderColor;
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PRBool transparent, foreground;
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borderData->GetBorderColor(aSide, borderColor, transparent, foreground);
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if (transparent || foreground) {
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// use the table's border color if it is set, otherwise use black
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nscolor tableBorderColor;
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tableBorderData->GetBorderColor(aSide, tableBorderColor, transparent, foreground);
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borderColor = (transparent || foreground) ? NS_RGB(0,0,0) : tableBorderColor;
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borderData->SetBorderColor(aSide, borderColor);
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}
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// set the border width to be 1 pixel
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float p2t;
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aRuleData->mPresContext->GetScaledPixelsToTwips(&p2t);
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nscoord onePixel = NSToCoordRound(p2t);
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nsStyleCoord coord(onePixel);
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switch(aSide) {
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case NS_SIDE_TOP:
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borderData->mBorder.SetTop(coord);
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break;
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case NS_SIDE_RIGHT:
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borderData->mBorder.SetRight(coord);
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break;
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case NS_SIDE_BOTTOM:
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borderData->mBorder.SetBottom(coord);
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break;
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default: // NS_SIDE_LEFT
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borderData->mBorder.SetLeft(coord);
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break;
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}
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}
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}
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}
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// -----------------------------------------------------------
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// this rule handles borders on a <thead>, <tbody>, <tfoot> when rules is set on its <table>
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// -----------------------------------------------------------
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class TableTbodyRule: public GenericTableRule {
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public:
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TableTbodyRule(nsIHTMLStyleSheet* aSheet);
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virtual ~TableTbodyRule();
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NS_IMETHOD MapRuleInfoInto(nsRuleData* aRuleData);
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};
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TableTbodyRule::TableTbodyRule(nsIHTMLStyleSheet* aSheet)
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: GenericTableRule(aSheet)
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{
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}
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TableTbodyRule::~TableTbodyRule()
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{
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}
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static void TbodyPostResolveCallback(nsStyleStruct* aStyleStruct, nsRuleData* aRuleData)
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{
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::ProcessTableRulesAttribute(aStyleStruct, aRuleData, NS_SIDE_TOP, PR_TRUE, NS_STYLE_TABLE_RULES_ALL,
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NS_STYLE_TABLE_RULES_GROUPS, NS_STYLE_TABLE_RULES_ROWS);
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::ProcessTableRulesAttribute(aStyleStruct, aRuleData, NS_SIDE_BOTTOM, PR_TRUE, NS_STYLE_TABLE_RULES_ALL,
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NS_STYLE_TABLE_RULES_GROUPS, NS_STYLE_TABLE_RULES_ROWS);
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}
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NS_IMETHODIMP
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TableTbodyRule::MapRuleInfoInto(nsRuleData* aRuleData)
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{
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if (aRuleData && aRuleData->mSID == eStyleStruct_Border) {
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aRuleData->mCanStoreInRuleTree = PR_FALSE;
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aRuleData->mPostResolveCallback = &TbodyPostResolveCallback;
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}
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return NS_OK;
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}
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// -----------------------------------------------------------
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// -----------------------------------------------------------
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// this rule handles borders on a <row> when rules is set on its <table>
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// -----------------------------------------------------------
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class TableRowRule: public GenericTableRule {
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public:
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TableRowRule(nsIHTMLStyleSheet* aSheet);
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virtual ~TableRowRule();
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NS_IMETHOD MapRuleInfoInto(nsRuleData* aRuleData);
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};
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TableRowRule::TableRowRule(nsIHTMLStyleSheet* aSheet)
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: GenericTableRule(aSheet)
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{
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}
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TableRowRule::~TableRowRule()
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{
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}
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static void RowPostResolveCallback(nsStyleStruct* aStyleStruct, nsRuleData* aRuleData)
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{
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::ProcessTableRulesAttribute(aStyleStruct, aRuleData, NS_SIDE_TOP, PR_FALSE, NS_STYLE_TABLE_RULES_ALL,
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NS_STYLE_TABLE_RULES_ROWS, NS_STYLE_TABLE_RULES_ROWS);
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::ProcessTableRulesAttribute(aStyleStruct, aRuleData, NS_SIDE_BOTTOM, PR_FALSE, NS_STYLE_TABLE_RULES_ALL,
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NS_STYLE_TABLE_RULES_ROWS, NS_STYLE_TABLE_RULES_ROWS);
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}
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NS_IMETHODIMP
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TableRowRule::MapRuleInfoInto(nsRuleData* aRuleData)
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{
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if (aRuleData && aRuleData->mSID == eStyleStruct_Border) {
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aRuleData->mCanStoreInRuleTree = PR_FALSE;
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aRuleData->mPostResolveCallback = &RowPostResolveCallback;
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}
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return NS_OK;
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}
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// -----------------------------------------------------------
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// this rule handles borders on a <colgroup> when rules is set on its <table>
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// -----------------------------------------------------------
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class TableColgroupRule: public GenericTableRule {
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public:
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TableColgroupRule(nsIHTMLStyleSheet* aSheet);
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virtual ~TableColgroupRule();
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NS_IMETHOD MapRuleInfoInto(nsRuleData* aRuleData);
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};
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TableColgroupRule::TableColgroupRule(nsIHTMLStyleSheet* aSheet)
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: GenericTableRule(aSheet)
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{
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}
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TableColgroupRule::~TableColgroupRule()
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{
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}
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static void ColgroupPostResolveCallback(nsStyleStruct* aStyleStruct, nsRuleData* aRuleData)
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{
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::ProcessTableRulesAttribute(aStyleStruct, aRuleData, NS_SIDE_LEFT, PR_TRUE, NS_STYLE_TABLE_RULES_ALL,
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NS_STYLE_TABLE_RULES_GROUPS, NS_STYLE_TABLE_RULES_COLS);
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::ProcessTableRulesAttribute(aStyleStruct, aRuleData, NS_SIDE_RIGHT, PR_TRUE, NS_STYLE_TABLE_RULES_ALL,
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NS_STYLE_TABLE_RULES_GROUPS, NS_STYLE_TABLE_RULES_COLS);
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}
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NS_IMETHODIMP
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TableColgroupRule::MapRuleInfoInto(nsRuleData* aRuleData)
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{
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if (aRuleData && aRuleData->mSID == eStyleStruct_Border) {
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aRuleData->mCanStoreInRuleTree = PR_FALSE;
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aRuleData->mPostResolveCallback = &ColgroupPostResolveCallback;
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}
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return NS_OK;
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}
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// -----------------------------------------------------------
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// this rule handles borders on a <col> when rules is set on its <table>
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// -----------------------------------------------------------
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class TableColRule: public GenericTableRule {
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public:
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TableColRule(nsIHTMLStyleSheet* aSheet);
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virtual ~TableColRule();
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NS_IMETHOD MapRuleInfoInto(nsRuleData* aRuleData);
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};
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TableColRule::TableColRule(nsIHTMLStyleSheet* aSheet)
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: GenericTableRule(aSheet)
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{
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}
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TableColRule::~TableColRule()
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{
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}
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static void ColPostResolveCallback(nsStyleStruct* aStyleStruct, nsRuleData* aRuleData)
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{
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::ProcessTableRulesAttribute(aStyleStruct, aRuleData, NS_SIDE_LEFT, PR_FALSE, NS_STYLE_TABLE_RULES_ALL,
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NS_STYLE_TABLE_RULES_COLS, NS_STYLE_TABLE_RULES_COLS);
|
|
::ProcessTableRulesAttribute(aStyleStruct, aRuleData, NS_SIDE_RIGHT, PR_FALSE, NS_STYLE_TABLE_RULES_ALL,
|
|
NS_STYLE_TABLE_RULES_COLS, NS_STYLE_TABLE_RULES_COLS);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TableColRule::MapRuleInfoInto(nsRuleData* aRuleData)
|
|
{
|
|
if (aRuleData && aRuleData->mSID == eStyleStruct_Border) {
|
|
aRuleData->mCanStoreInRuleTree = PR_FALSE;
|
|
aRuleData->mPostResolveCallback = &ColPostResolveCallback;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
// -----------------------------------------------------------
|
|
|
|
struct MappedAttrTableEntry : public PLDHashEntryHdr {
|
|
nsIHTMLMappedAttributes *mAttributes;
|
|
};
|
|
|
|
PR_STATIC_CALLBACK(PLDHashNumber)
|
|
MappedAttrTable_HashKey(PLDHashTable *table, const void *key)
|
|
{
|
|
nsIHTMLMappedAttributes *attributes =
|
|
NS_STATIC_CAST(nsIHTMLMappedAttributes*, NS_CONST_CAST(void*, key));
|
|
|
|
PRUint32 hash;
|
|
attributes->HashValue(hash);
|
|
return hash;
|
|
}
|
|
|
|
PR_STATIC_CALLBACK(void)
|
|
MappedAttrTable_ClearEntry(PLDHashTable *table, PLDHashEntryHdr *hdr)
|
|
{
|
|
MappedAttrTableEntry *entry = NS_STATIC_CAST(MappedAttrTableEntry*, hdr);
|
|
|
|
entry->mAttributes->DropStyleSheetReference();
|
|
memset(entry, 0, sizeof(MappedAttrTableEntry));
|
|
}
|
|
|
|
PR_STATIC_CALLBACK(PRBool)
|
|
MappedAttrTable_MatchEntry(PLDHashTable *table, const PLDHashEntryHdr *hdr,
|
|
const void *key)
|
|
{
|
|
nsIHTMLMappedAttributes *attributes =
|
|
NS_STATIC_CAST(nsIHTMLMappedAttributes*, NS_CONST_CAST(void*, key));
|
|
const MappedAttrTableEntry *entry =
|
|
NS_STATIC_CAST(const MappedAttrTableEntry*, hdr);
|
|
|
|
PRBool equal;
|
|
attributes->Equals(entry->mAttributes, equal);
|
|
return equal;
|
|
}
|
|
|
|
static PLDHashTableOps MappedAttrTable_Ops = {
|
|
PL_DHashAllocTable,
|
|
PL_DHashFreeTable,
|
|
PL_DHashGetKeyStub,
|
|
MappedAttrTable_HashKey,
|
|
MappedAttrTable_MatchEntry,
|
|
PL_DHashMoveEntryStub,
|
|
MappedAttrTable_ClearEntry,
|
|
PL_DHashFinalizeStub,
|
|
NULL
|
|
};
|
|
|
|
// -----------------------------------------------------------
|
|
|
|
class HTMLStyleSheetImpl : public nsIHTMLStyleSheet,
|
|
public nsIStyleRuleProcessor {
|
|
public:
|
|
HTMLStyleSheetImpl(void);
|
|
nsresult Init();
|
|
|
|
NS_DECL_ISUPPORTS
|
|
|
|
// nsIStyleSheet api
|
|
NS_IMETHOD GetURL(nsIURI*& aURL) const;
|
|
NS_IMETHOD GetTitle(nsString& aTitle) const;
|
|
NS_IMETHOD GetType(nsString& aType) const;
|
|
NS_IMETHOD GetMediumCount(PRInt32& aCount) const;
|
|
NS_IMETHOD GetMediumAt(PRInt32 aIndex, nsIAtom*& aMedium) const;
|
|
NS_IMETHOD_(PRBool) UseForMedium(nsIAtom* aMedium) const;
|
|
|
|
NS_IMETHOD GetApplicable(PRBool& aApplicable) const;
|
|
|
|
NS_IMETHOD SetEnabled(PRBool aEnabled);
|
|
|
|
NS_IMETHOD GetComplete(PRBool& aComplete) const;
|
|
NS_IMETHOD SetComplete();
|
|
|
|
// style sheet owner info
|
|
NS_IMETHOD GetParentSheet(nsIStyleSheet*& aParent) const; // will be null
|
|
NS_IMETHOD GetOwningDocument(nsIDocument*& aDocument) const;
|
|
|
|
NS_IMETHOD SetOwningDocument(nsIDocument* aDocumemt);
|
|
|
|
NS_IMETHOD GetStyleRuleProcessor(nsIStyleRuleProcessor*& aProcessor,
|
|
nsIStyleRuleProcessor* aPrevProcessor);
|
|
|
|
// nsIStyleRuleProcessor API
|
|
NS_IMETHOD RulesMatching(ElementRuleProcessorData* aData,
|
|
nsIAtom* aMedium);
|
|
|
|
NS_IMETHOD RulesMatching(PseudoRuleProcessorData* aData,
|
|
nsIAtom* aMedium);
|
|
|
|
NS_IMETHOD HasStateDependentStyle(StateRuleProcessorData* aData,
|
|
nsIAtom* aMedium,
|
|
PRBool* aResult);
|
|
|
|
NS_IMETHOD HasAttributeDependentStyle(AttributeRuleProcessorData* aData,
|
|
nsIAtom* aMedium,
|
|
PRBool* aResult);
|
|
|
|
// nsIHTMLStyleSheet api
|
|
NS_IMETHOD Init(nsIURI* aURL, nsIDocument* aDocument);
|
|
NS_IMETHOD Reset(nsIURI* aURL);
|
|
NS_IMETHOD GetLinkColor(nscolor& aColor);
|
|
NS_IMETHOD GetActiveLinkColor(nscolor& aColor);
|
|
NS_IMETHOD GetVisitedLinkColor(nscolor& aColor);
|
|
NS_IMETHOD SetLinkColor(nscolor aColor);
|
|
NS_IMETHOD SetActiveLinkColor(nscolor aColor);
|
|
NS_IMETHOD SetVisitedLinkColor(nscolor aColor);
|
|
|
|
// Mapped Attribute management methods
|
|
NS_IMETHOD UniqueMappedAttributes(nsIHTMLMappedAttributes* aMapped,
|
|
nsIHTMLMappedAttributes*& aUniqueMapped);
|
|
NS_IMETHOD DropMappedAttributes(nsIHTMLMappedAttributes* aMapped);
|
|
|
|
#ifdef DEBUG
|
|
virtual void List(FILE* out = stdout, PRInt32 aIndent = 0) const;
|
|
#endif
|
|
|
|
private:
|
|
// These are not supported and are not implemented!
|
|
HTMLStyleSheetImpl(const HTMLStyleSheetImpl& aCopy);
|
|
HTMLStyleSheetImpl& operator=(const HTMLStyleSheetImpl& aCopy);
|
|
|
|
protected:
|
|
virtual ~HTMLStyleSheetImpl();
|
|
|
|
protected:
|
|
nsIURI* mURL;
|
|
nsIDocument* mDocument;
|
|
HTMLColorRule* mLinkRule;
|
|
HTMLColorRule* mVisitedRule;
|
|
HTMLColorRule* mActiveRule;
|
|
HTMLDocumentColorRule* mDocumentColorRule;
|
|
TableTbodyRule* mTableTbodyRule;
|
|
TableRowRule* mTableRowRule;
|
|
TableColgroupRule* mTableColgroupRule;
|
|
TableColRule* mTableColRule;
|
|
TableTHRule* mTableTHRule;
|
|
|
|
PLDHashTable mMappedAttrTable;
|
|
};
|
|
|
|
|
|
HTMLStyleSheetImpl::HTMLStyleSheetImpl(void)
|
|
: nsIHTMLStyleSheet(),
|
|
mRefCnt(0),
|
|
mURL(nsnull),
|
|
mDocument(nsnull),
|
|
mLinkRule(nsnull),
|
|
mVisitedRule(nsnull),
|
|
mActiveRule(nsnull),
|
|
mDocumentColorRule(nsnull)
|
|
{
|
|
mMappedAttrTable.ops = nsnull;
|
|
}
|
|
|
|
nsresult
|
|
HTMLStyleSheetImpl::Init()
|
|
{
|
|
mTableTbodyRule = new TableTbodyRule(this);
|
|
if (!mTableTbodyRule)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
NS_ADDREF(mTableTbodyRule);
|
|
|
|
mTableRowRule = new TableRowRule(this);
|
|
if (!mTableRowRule)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
NS_ADDREF(mTableRowRule);
|
|
|
|
mTableColgroupRule = new TableColgroupRule(this);
|
|
if (!mTableColgroupRule)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
NS_ADDREF(mTableColgroupRule);
|
|
|
|
mTableColRule = new TableColRule(this);
|
|
if (!mTableColRule)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
NS_ADDREF(mTableColRule);
|
|
|
|
mTableTHRule = new TableTHRule(this);
|
|
if (!mTableTHRule)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
NS_ADDREF(mTableTHRule);
|
|
|
|
mDocumentColorRule = new HTMLDocumentColorRule(this);
|
|
if (!mDocumentColorRule)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
NS_ADDREF(mDocumentColorRule);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
HTMLStyleSheetImpl::~HTMLStyleSheetImpl()
|
|
{
|
|
NS_IF_RELEASE(mURL);
|
|
if (nsnull != mLinkRule) {
|
|
mLinkRule->mSheet = nsnull;
|
|
NS_RELEASE(mLinkRule);
|
|
}
|
|
if (nsnull != mVisitedRule) {
|
|
mVisitedRule->mSheet = nsnull;
|
|
NS_RELEASE(mVisitedRule);
|
|
}
|
|
if (nsnull != mActiveRule) {
|
|
mActiveRule->mSheet = nsnull;
|
|
NS_RELEASE(mActiveRule);
|
|
}
|
|
if (nsnull != mDocumentColorRule) {
|
|
mDocumentColorRule->mSheet = nsnull;
|
|
NS_RELEASE(mDocumentColorRule);
|
|
}
|
|
if (nsnull != mTableTbodyRule) {
|
|
mTableTbodyRule->mSheet = nsnull;
|
|
NS_RELEASE(mTableTbodyRule);
|
|
}
|
|
if (nsnull != mTableRowRule) {
|
|
mTableRowRule->mSheet = nsnull;
|
|
NS_RELEASE(mTableRowRule);
|
|
}
|
|
if (nsnull != mTableColgroupRule) {
|
|
mTableColgroupRule->mSheet = nsnull;
|
|
NS_RELEASE(mTableColgroupRule);
|
|
}
|
|
if (nsnull != mTableColRule) {
|
|
mTableColRule->mSheet = nsnull;
|
|
NS_RELEASE(mTableColRule);
|
|
}
|
|
if (nsnull != mTableTHRule) {
|
|
mTableTHRule->mSheet = nsnull;
|
|
NS_RELEASE(mTableTHRule);
|
|
}
|
|
if (mMappedAttrTable.ops)
|
|
PL_DHashTableFinish(&mMappedAttrTable);
|
|
}
|
|
|
|
NS_IMPL_ADDREF(HTMLStyleSheetImpl)
|
|
NS_IMPL_RELEASE(HTMLStyleSheetImpl)
|
|
|
|
nsresult HTMLStyleSheetImpl::QueryInterface(const nsIID& aIID,
|
|
void** aInstancePtrResult)
|
|
{
|
|
NS_PRECONDITION(aInstancePtrResult, "null out param");
|
|
|
|
if (aIID.Equals(NS_GET_IID(nsIHTMLStyleSheet))) {
|
|
*aInstancePtrResult = NS_STATIC_CAST(nsIHTMLStyleSheet*, this);
|
|
} else if (aIID.Equals(NS_GET_IID(nsIStyleSheet))) {
|
|
*aInstancePtrResult = NS_STATIC_CAST(nsIStyleSheet *, this);
|
|
} else if (aIID.Equals(NS_GET_IID(nsIStyleRuleProcessor))) {
|
|
*aInstancePtrResult = NS_STATIC_CAST(nsIStyleRuleProcessor *, this);
|
|
} else if (aIID.Equals(NS_GET_IID(nsIStyleFrameConstruction))) {
|
|
// XXX this breaks XPCOM rules since it isn't a proper delegate
|
|
// This is a temporary method of connecting the constructor for
|
|
// now
|
|
nsresult rv;
|
|
nsCOMPtr<nsICSSFrameConstructor> constructor =
|
|
do_CreateInstance(kCSSFrameConstructorCID, &rv);
|
|
|
|
if (NS_SUCCEEDED(rv)) {
|
|
rv = constructor->Init(mDocument);
|
|
|
|
if (NS_SUCCEEDED(rv)) {
|
|
rv = constructor->QueryInterface(aIID, aInstancePtrResult);
|
|
}
|
|
}
|
|
|
|
return rv;
|
|
} else if (aIID.Equals(NS_GET_IID(nsISupports))) {
|
|
*aInstancePtrResult = NS_STATIC_CAST(nsIHTMLStyleSheet *, this);
|
|
} else {
|
|
*aInstancePtrResult = nsnull;
|
|
|
|
return NS_NOINTERFACE;
|
|
}
|
|
|
|
NS_ADDREF_THIS();
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
HTMLStyleSheetImpl::GetStyleRuleProcessor(nsIStyleRuleProcessor*& aProcessor,
|
|
nsIStyleRuleProcessor* /*aPrevProcessor*/)
|
|
{
|
|
aProcessor = this;
|
|
NS_ADDREF(aProcessor);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
HTMLStyleSheetImpl::RulesMatching(ElementRuleProcessorData* aData,
|
|
nsIAtom* aMedium)
|
|
{
|
|
nsIStyledContent *styledContent = aData->mStyledContent;
|
|
|
|
if (styledContent) {
|
|
nsRuleWalker *ruleWalker = aData->mRuleWalker;
|
|
if (styledContent->IsContentOfType(nsIContent::eHTML)) {
|
|
nsIAtom* tag = aData->mContentTag;
|
|
|
|
// if we have anchor colors, check if this is an anchor with an href
|
|
if (tag == nsHTMLAtoms::a) {
|
|
if (mLinkRule || mVisitedRule || mActiveRule) {
|
|
if (aData->mIsHTMLLink) {
|
|
switch (aData->mLinkState) {
|
|
case eLinkState_Unvisited:
|
|
if (mLinkRule)
|
|
ruleWalker->Forward(mLinkRule);
|
|
break;
|
|
case eLinkState_Visited:
|
|
if (mVisitedRule)
|
|
ruleWalker->Forward(mVisitedRule);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
// No need to add to the active rule if it's not a link
|
|
if (mActiveRule && (aData->mEventState & NS_EVENT_STATE_ACTIVE))
|
|
ruleWalker->Forward(mActiveRule);
|
|
}
|
|
} // end link/visited/active rules
|
|
} // end A tag
|
|
// add the rule to handle text-align for a <th>
|
|
else if (tag == nsHTMLAtoms::th) {
|
|
ruleWalker->Forward(mTableTHRule);
|
|
}
|
|
else if (tag == nsHTMLAtoms::tr) {
|
|
ruleWalker->Forward(mTableRowRule);
|
|
}
|
|
else if ((tag == nsHTMLAtoms::thead) || (tag == nsHTMLAtoms::tbody) || (tag == nsHTMLAtoms::tfoot)) {
|
|
ruleWalker->Forward(mTableTbodyRule);
|
|
}
|
|
else if (tag == nsHTMLAtoms::col) {
|
|
ruleWalker->Forward(mTableColRule);
|
|
}
|
|
else if (tag == nsHTMLAtoms::colgroup) {
|
|
ruleWalker->Forward(mTableColgroupRule);
|
|
}
|
|
else if (tag == nsHTMLAtoms::table) {
|
|
if (aData->mCompatMode == eCompatibility_NavQuirks)
|
|
ruleWalker->Forward(mDocumentColorRule);
|
|
}
|
|
} // end html element
|
|
|
|
// just get the style rules from the content
|
|
styledContent->WalkContentStyleRules(ruleWalker);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
// Test if style is dependent on content state
|
|
NS_IMETHODIMP
|
|
HTMLStyleSheetImpl::HasStateDependentStyle(StateRuleProcessorData* aData,
|
|
nsIAtom* aMedium,
|
|
PRBool* aResult)
|
|
{
|
|
*aResult = mActiveRule &&
|
|
(aData->mStateMask & NS_EVENT_STATE_ACTIVE) &&
|
|
aData->mStyledContent &&
|
|
aData->mIsHTMLContent &&
|
|
aData->mContentTag == nsHTMLAtoms::a &&
|
|
aData->mStyledContent->HasAttr(kNameSpaceID_None,
|
|
nsHTMLAtoms::href);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
HTMLStyleSheetImpl::HasAttributeDependentStyle(AttributeRuleProcessorData* aData,
|
|
nsIAtom* aMedium,
|
|
PRBool* aResult)
|
|
{
|
|
// Result is true for |href| changes on HTML links if we have link rules.
|
|
nsIStyledContent *styledContent = aData->mStyledContent;
|
|
if (aData->mAttribute == nsHTMLAtoms::href &&
|
|
(mLinkRule || mVisitedRule || mActiveRule) &&
|
|
styledContent &&
|
|
styledContent->IsContentOfType(nsIContent::eHTML) &&
|
|
aData->mContentTag == nsHTMLAtoms::a) {
|
|
*aResult = PR_TRUE;
|
|
return NS_OK;
|
|
}
|
|
|
|
// Don't worry about the HTMLDocumentColorRule since it only applies
|
|
// to descendants of body, when we're already reresolving.
|
|
|
|
// Handle the content style rules.
|
|
if (styledContent) {
|
|
nsChangeHint hint = NS_STYLE_HINT_NONE;
|
|
styledContent->GetMappedAttributeImpact(aData->mAttribute,
|
|
aData->mModType, hint);
|
|
// This is the same test that nsGenericHTMLElement uses when calling
|
|
// nsHTMLAttributes::SetAttributeFor.
|
|
if ((hint & ~(nsChangeHint_AttrChange | nsChangeHint_Aural |
|
|
nsChangeHint_Content)) != 0) {
|
|
*aResult = PR_TRUE;
|
|
return NS_OK;
|
|
}
|
|
}
|
|
|
|
*aResult = PR_FALSE;
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
HTMLStyleSheetImpl::RulesMatching(PseudoRuleProcessorData* aData,
|
|
nsIAtom* aMedium)
|
|
{
|
|
nsIAtom* pseudoTag = aData->mPseudoTag;
|
|
if (pseudoTag == nsCSSAnonBoxes::tableCol) {
|
|
nsRuleWalker *ruleWalker = aData->mRuleWalker;
|
|
if (ruleWalker) {
|
|
ruleWalker->Forward(mTableColRule);
|
|
}
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
// nsIStyleSheet api
|
|
NS_IMETHODIMP
|
|
HTMLStyleSheetImpl::GetURL(nsIURI*& aURL) const
|
|
{
|
|
aURL = mURL;
|
|
NS_IF_ADDREF(aURL);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
HTMLStyleSheetImpl::GetTitle(nsString& aTitle) const
|
|
{
|
|
aTitle.Truncate();
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
HTMLStyleSheetImpl::GetType(nsString& aType) const
|
|
{
|
|
aType.Assign(NS_LITERAL_STRING("text/html"));
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
HTMLStyleSheetImpl::GetMediumCount(PRInt32& aCount) const
|
|
{
|
|
aCount = 0;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
HTMLStyleSheetImpl::GetMediumAt(PRInt32 aIndex, nsIAtom*& aMedium) const
|
|
{
|
|
aMedium = nsnull;
|
|
return NS_ERROR_INVALID_ARG;
|
|
}
|
|
|
|
NS_IMETHODIMP_(PRBool)
|
|
HTMLStyleSheetImpl::UseForMedium(nsIAtom* aMedium) const
|
|
{
|
|
return PR_TRUE; // works for all media
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
HTMLStyleSheetImpl::GetApplicable(PRBool& aApplicable) const
|
|
{
|
|
aApplicable = PR_TRUE;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
HTMLStyleSheetImpl::SetEnabled(PRBool aEnabled)
|
|
{ // these can't be disabled
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
HTMLStyleSheetImpl::GetComplete(PRBool& aComplete) const
|
|
{
|
|
aComplete = PR_TRUE;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
HTMLStyleSheetImpl::SetComplete()
|
|
{
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
HTMLStyleSheetImpl::GetParentSheet(nsIStyleSheet*& aParent) const
|
|
{
|
|
aParent = nsnull;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
HTMLStyleSheetImpl::GetOwningDocument(nsIDocument*& aDocument) const
|
|
{
|
|
aDocument = mDocument;
|
|
NS_IF_ADDREF(aDocument);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
HTMLStyleSheetImpl::SetOwningDocument(nsIDocument* aDocument)
|
|
{
|
|
mDocument = aDocument; // not refcounted
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
HTMLStyleSheetImpl::Init(nsIURI* aURL, nsIDocument* aDocument)
|
|
{
|
|
NS_PRECONDITION(aURL && aDocument, "null ptr");
|
|
if (! aURL || ! aDocument)
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
if (mURL || mDocument)
|
|
return NS_ERROR_ALREADY_INITIALIZED;
|
|
|
|
mDocument = aDocument; // not refcounted!
|
|
mURL = aURL;
|
|
NS_ADDREF(mURL);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
HTMLStyleSheetImpl::Reset(nsIURI* aURL)
|
|
{
|
|
NS_IF_RELEASE(mURL);
|
|
mURL = aURL;
|
|
NS_ADDREF(mURL);
|
|
|
|
if (mLinkRule) {
|
|
mLinkRule->mSheet = nsnull;
|
|
NS_RELEASE(mLinkRule);
|
|
}
|
|
if (mVisitedRule) {
|
|
mVisitedRule->mSheet = nsnull;
|
|
NS_RELEASE(mVisitedRule);
|
|
}
|
|
if (mActiveRule) {
|
|
mActiveRule->mSheet = nsnull;
|
|
NS_RELEASE(mActiveRule);
|
|
}
|
|
if (mDocumentColorRule) {
|
|
mDocumentColorRule->mSheet = nsnull;
|
|
NS_RELEASE(mDocumentColorRule);
|
|
}
|
|
|
|
if (mMappedAttrTable.ops) {
|
|
PL_DHashTableFinish(&mMappedAttrTable);
|
|
mMappedAttrTable.ops = nsnull;
|
|
}
|
|
|
|
mDocumentColorRule = new HTMLDocumentColorRule(this);
|
|
if (!mDocumentColorRule)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
NS_ADDREF(mDocumentColorRule);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
HTMLStyleSheetImpl::GetLinkColor(nscolor& aColor)
|
|
{
|
|
if (!mLinkRule) {
|
|
return NS_HTML_STYLE_PROPERTY_NOT_THERE;
|
|
}
|
|
else {
|
|
aColor = mLinkRule->mColor;
|
|
return NS_OK;
|
|
}
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
HTMLStyleSheetImpl::GetActiveLinkColor(nscolor& aColor)
|
|
{
|
|
if (!mActiveRule) {
|
|
return NS_HTML_STYLE_PROPERTY_NOT_THERE;
|
|
}
|
|
else {
|
|
aColor = mActiveRule->mColor;
|
|
return NS_OK;
|
|
}
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
HTMLStyleSheetImpl::GetVisitedLinkColor(nscolor& aColor)
|
|
{
|
|
if (!mVisitedRule) {
|
|
return NS_HTML_STYLE_PROPERTY_NOT_THERE;
|
|
}
|
|
else {
|
|
aColor = mVisitedRule->mColor;
|
|
return NS_OK;
|
|
}
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
HTMLStyleSheetImpl::SetLinkColor(nscolor aColor)
|
|
{
|
|
if (mLinkRule) {
|
|
if (mLinkRule->mColor == aColor)
|
|
return NS_OK;
|
|
mLinkRule->mSheet = nsnull;
|
|
NS_RELEASE(mLinkRule);
|
|
}
|
|
|
|
mLinkRule = new HTMLColorRule(this);
|
|
if (!mLinkRule)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
NS_ADDREF(mLinkRule);
|
|
|
|
mLinkRule->mColor = aColor;
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
HTMLStyleSheetImpl::SetActiveLinkColor(nscolor aColor)
|
|
{
|
|
if (mActiveRule) {
|
|
if (mActiveRule->mColor == aColor)
|
|
return NS_OK;
|
|
mActiveRule->mSheet = nsnull;
|
|
NS_RELEASE(mActiveRule);
|
|
}
|
|
|
|
mActiveRule = new HTMLColorRule(this);
|
|
if (!mActiveRule)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
NS_ADDREF(mActiveRule);
|
|
|
|
mActiveRule->mColor = aColor;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
HTMLStyleSheetImpl::SetVisitedLinkColor(nscolor aColor)
|
|
{
|
|
if (mVisitedRule) {
|
|
if (mVisitedRule->mColor == aColor)
|
|
return NS_OK;
|
|
mVisitedRule->mSheet = nsnull;
|
|
NS_RELEASE(mVisitedRule);
|
|
}
|
|
|
|
mVisitedRule = new HTMLColorRule(this);
|
|
if (!mVisitedRule)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
NS_ADDREF(mVisitedRule);
|
|
|
|
mVisitedRule->mColor = aColor;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
HTMLStyleSheetImpl::UniqueMappedAttributes(nsIHTMLMappedAttributes* aMapped,
|
|
nsIHTMLMappedAttributes*& aUniqueMapped)
|
|
{
|
|
aUniqueMapped = nsnull;
|
|
if (!mMappedAttrTable.ops) {
|
|
PRBool res = PL_DHashTableInit(&mMappedAttrTable, &MappedAttrTable_Ops,
|
|
nsnull, sizeof(MappedAttrTableEntry), 16);
|
|
if (!res) {
|
|
mMappedAttrTable.ops = nsnull;
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
}
|
|
MappedAttrTableEntry *entry = NS_STATIC_CAST(MappedAttrTableEntry*,
|
|
PL_DHashTableOperate(&mMappedAttrTable, aMapped, PL_DHASH_ADD));
|
|
if (!entry)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
if (!entry->mAttributes) {
|
|
// We added a new entry to the hashtable, so we have a new unique set.
|
|
entry->mAttributes = aMapped;
|
|
aMapped->SetUniqued(PR_TRUE);
|
|
}
|
|
aUniqueMapped = entry->mAttributes;
|
|
NS_ADDREF(aUniqueMapped);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
HTMLStyleSheetImpl::DropMappedAttributes(nsIHTMLMappedAttributes* aMapped)
|
|
{
|
|
NS_ENSURE_TRUE(aMapped, NS_OK);
|
|
|
|
PRBool inTable = PR_FALSE;
|
|
aMapped->GetUniqued(inTable);
|
|
if (!inTable)
|
|
return NS_OK;
|
|
|
|
NS_ASSERTION(mMappedAttrTable.ops, "table uninitialized");
|
|
#ifdef DEBUG
|
|
PRUint32 entryCount = mMappedAttrTable.entryCount - 1;
|
|
#endif
|
|
|
|
PL_DHashTableOperate(&mMappedAttrTable, aMapped, PL_DHASH_REMOVE);
|
|
|
|
NS_ASSERTION(entryCount == mMappedAttrTable.entryCount, "not removed");
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
#ifdef DEBUG
|
|
void HTMLStyleSheetImpl::List(FILE* out, PRInt32 aIndent) const
|
|
{
|
|
// Indent
|
|
for (PRInt32 index = aIndent; --index >= 0; ) fputs(" ", out);
|
|
|
|
fputs("HTML Style Sheet: ", out);
|
|
nsCAutoString urlSpec;
|
|
mURL->GetSpec(urlSpec);
|
|
if (!urlSpec.IsEmpty()) {
|
|
fputs(urlSpec.get(), out);
|
|
}
|
|
fputs("\n", out);
|
|
}
|
|
#endif
|
|
|
|
// XXX For convenience and backwards compatibility
|
|
nsresult
|
|
NS_NewHTMLStyleSheet(nsIHTMLStyleSheet** aInstancePtrResult, nsIURI* aURL,
|
|
nsIDocument* aDocument)
|
|
{
|
|
nsresult rv;
|
|
nsIHTMLStyleSheet* sheet;
|
|
if (NS_FAILED(rv = NS_NewHTMLStyleSheet(&sheet)))
|
|
return rv;
|
|
|
|
if (NS_FAILED(rv = sheet->Init(aURL, aDocument))) {
|
|
NS_RELEASE(sheet);
|
|
return rv;
|
|
}
|
|
|
|
*aInstancePtrResult = sheet;
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
nsresult
|
|
NS_NewHTMLStyleSheet(nsIHTMLStyleSheet** aInstancePtrResult)
|
|
{
|
|
NS_ASSERTION(aInstancePtrResult, "null out param");
|
|
|
|
HTMLStyleSheetImpl *it = new HTMLStyleSheetImpl();
|
|
if (!it) {
|
|
*aInstancePtrResult = nsnull;
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
|
|
NS_ADDREF(it);
|
|
nsresult rv = it->Init();
|
|
if (NS_FAILED(rv))
|
|
NS_RELEASE(it);
|
|
|
|
*aInstancePtrResult = it; // NS_ADDREF above, or set to null by NS_RELEASE
|
|
return rv;
|
|
}
|