mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-07 12:15:51 +00:00
1192 lines
33 KiB
C++
1192 lines
33 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 License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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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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#ifdef NECKO
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#include "nsIIOService.h"
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#include "nsIURL.h"
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#include "nsIServiceManager.h"
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#include "nsNeckoUtil.h"
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static NS_DEFINE_CID(kIOServiceCID, NS_IOSERVICE_CID);
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#endif // NECKO
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#include "nsISupportsArray.h"
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#include "nsHashtable.h"
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#include "nsIHTMLContent.h"
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#include "nsIHTMLAttributes.h"
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#include "nsIStyleRule.h"
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#include "nsIFrame.h"
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#include "nsIStyleContext.h"
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#include "nsHTMLAtoms.h"
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#include "nsIPresContext.h"
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#include "nsILinkHandler.h"
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#include "nsIEventStateManager.h"
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#include "nsIDocument.h"
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#include "nsHTMLIIDs.h"
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#include "nsCSSFrameConstructor.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 "nsHTMLContainerFrame.h"
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#include "nsINameSpaceManager.h"
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#include "nsLayoutAtoms.h"
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static NS_DEFINE_IID(kIHTMLStyleSheetIID, NS_IHTML_STYLE_SHEET_IID);
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static NS_DEFINE_IID(kIStyleSheetIID, NS_ISTYLE_SHEET_IID);
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static NS_DEFINE_IID(kIStyleRuleIID, NS_ISTYLE_RULE_IID);
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static NS_DEFINE_IID(kIStyleFrameConstructionIID, NS_ISTYLE_FRAME_CONSTRUCTION_IID);
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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 Equals(const nsIStyleRule* aRule, PRBool& aValue) const;
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NS_IMETHOD HashValue(PRUint32& aValue) const;
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NS_IMETHOD GetStyleSheet(nsIStyleSheet*& aSheet) const;
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// Strength is an out-of-band weighting, always 0 here
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NS_IMETHOD GetStrength(PRInt32& aStrength) const;
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NS_IMETHOD MapFontStyleInto(nsIStyleContext* aContext, nsIPresContext* aPresContext);
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NS_IMETHOD MapStyleInto(nsIStyleContext* aContext, nsIPresContext* aPresContext);
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NS_IMETHOD List(FILE* out = stdout, PRInt32 aIndent = 0) const;
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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 MapStyleInto(nsIStyleContext* aContext, nsIPresContext* aPresContext);
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nscolor mBackgroundColor;
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PRBool mForegroundSet;
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PRBool mBackgroundSet;
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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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NS_INIT_REFCNT();
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}
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HTMLColorRule::~HTMLColorRule()
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{
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}
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NS_IMPL_ISUPPORTS(HTMLColorRule, kIStyleRuleIID);
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NS_IMETHODIMP
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HTMLColorRule::Equals(const nsIStyleRule* aRule, PRBool& aResult) const
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{
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aResult = PRBool(this == aRule);
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return NS_OK;
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}
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NS_IMETHODIMP
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HTMLColorRule::HashValue(PRUint32& aValue) const
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{
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aValue = (PRUint32)(mColor);
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return NS_OK;
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}
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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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// Strength is an out-of-band weighting, always 0 here
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NS_IMETHODIMP
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HTMLColorRule::GetStrength(PRInt32& aStrength) const
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{
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aStrength = 0;
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return NS_OK;
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}
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NS_IMETHODIMP
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HTMLColorRule::MapFontStyleInto(nsIStyleContext* aContext, nsIPresContext* aPresContext)
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{
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return NS_OK;
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}
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NS_IMETHODIMP
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HTMLColorRule::MapStyleInto(nsIStyleContext* aContext, nsIPresContext* aPresContext)
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{
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nsStyleColor* styleColor = (nsStyleColor*)(aContext->GetMutableStyleData(eStyleStruct_Color));
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if (nsnull != styleColor) {
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styleColor->mColor = mColor;
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}
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return NS_OK;
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}
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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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HTMLDocumentColorRule::HTMLDocumentColorRule(nsIHTMLStyleSheet* aSheet)
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: HTMLColorRule(aSheet)
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{
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mForegroundSet = PR_FALSE;
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mBackgroundSet = PR_FALSE;
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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::MapStyleInto(nsIStyleContext* aContext, nsIPresContext* aPresContext)
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{
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nsStyleColor* styleColor = (nsStyleColor*)(aContext->GetMutableStyleData(eStyleStruct_Color));
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if (nsnull != styleColor) {
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if (mForegroundSet) {
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styleColor->mColor = mColor;
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}
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if (mBackgroundSet) {
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styleColor->mBackgroundColor = mBackgroundColor;
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styleColor->mBackgroundFlags &= ~NS_STYLE_BG_COLOR_TRANSPARENT;
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}
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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 only applies in NavQuirks mode
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// -----------------------------------------------------------
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class TableBackgroundRule: public nsIStyleRule {
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public:
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TableBackgroundRule(nsIHTMLStyleSheet* aSheet);
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virtual ~TableBackgroundRule();
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NS_DECL_ISUPPORTS
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NS_IMETHOD Equals(const nsIStyleRule* aRule, PRBool& aResult) const;
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NS_IMETHOD HashValue(PRUint32& aValue) const;
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NS_IMETHOD GetStyleSheet(nsIStyleSheet*& aSheet) const;
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// Strength is an out-of-band weighting, always 0 here
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NS_IMETHOD GetStrength(PRInt32& aStrength) const;
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NS_IMETHOD MapFontStyleInto(nsIStyleContext* aContext,
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nsIPresContext* aPresContext);
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NS_IMETHOD MapStyleInto(nsIStyleContext* aContext,
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nsIPresContext* aPresContext);
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NS_IMETHOD List(FILE* out = stdout, PRInt32 aIndent = 0) const;
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nsIHTMLStyleSheet* mSheet; // not ref-counted, cleared by content
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};
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TableBackgroundRule::TableBackgroundRule(nsIHTMLStyleSheet* aSheet)
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{
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NS_INIT_REFCNT();
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mSheet = aSheet;
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}
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TableBackgroundRule::~TableBackgroundRule()
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{
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}
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NS_IMPL_ISUPPORTS(TableBackgroundRule, kIStyleRuleIID);
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NS_IMETHODIMP
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TableBackgroundRule::Equals(const nsIStyleRule* aRule, PRBool& aResult) const
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{
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aResult = PRBool(this == aRule);
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return NS_OK;
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}
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NS_IMETHODIMP
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TableBackgroundRule::HashValue(PRUint32& aValue) const
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{
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aValue = 0;
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return NS_OK;
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}
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NS_IMETHODIMP
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TableBackgroundRule::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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// Strength is an out-of-band weighting, useful for mapping CSS ! important
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// always 0 here
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NS_IMETHODIMP
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TableBackgroundRule::GetStrength(PRInt32& aStrength) const
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{
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aStrength = 0;
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return NS_OK;
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}
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NS_IMETHODIMP
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TableBackgroundRule::MapFontStyleInto(nsIStyleContext* aContext, nsIPresContext* aPresContext)
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{
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return NS_OK;
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}
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NS_IMETHODIMP
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TableBackgroundRule::MapStyleInto(nsIStyleContext* aContext, nsIPresContext* aPresContext)
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{
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nsStyleColor* styleColor;
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styleColor = (nsStyleColor*)aContext->GetMutableStyleData(eStyleStruct_Color);
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nsIStyleContext* parentContext = aContext->GetParent();
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const nsStyleColor* parentStyleColor;
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parentStyleColor = (const nsStyleColor*)parentContext->GetStyleData(eStyleStruct_Color);
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if (!(parentStyleColor->mBackgroundFlags & NS_STYLE_BG_COLOR_TRANSPARENT)) {
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styleColor->mBackgroundColor = parentStyleColor->mBackgroundColor;
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styleColor->mBackgroundFlags &= ~NS_STYLE_BG_COLOR_TRANSPARENT;
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}
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if (!(parentStyleColor->mBackgroundFlags & NS_STYLE_BG_IMAGE_NONE)) {
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styleColor->mBackgroundImage = parentStyleColor->mBackgroundImage;
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styleColor->mBackgroundFlags &= ~NS_STYLE_BG_IMAGE_NONE;
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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TableBackgroundRule::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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// -----------------------------------------------------------
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class AttributeKey: public nsHashKey
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{
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public:
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AttributeKey(nsIHTMLMappedAttributes* aAttributes);
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virtual ~AttributeKey(void);
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PRBool Equals(const nsHashKey* aOther) const;
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PRUint32 HashValue(void) const;
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nsHashKey* Clone(void) const;
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private:
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AttributeKey(void);
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AttributeKey(const AttributeKey& aCopy);
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AttributeKey& operator=(const AttributeKey& aCopy);
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public:
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nsIHTMLMappedAttributes* mAttributes;
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union {
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struct {
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PRUint32 mHashSet: 1;
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PRUint32 mHashCode: 31;
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} mBits;
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PRUint32 mInitializer;
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} mHash;
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};
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AttributeKey::AttributeKey(nsIHTMLMappedAttributes* aAttributes)
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: mAttributes(aAttributes)
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{
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NS_ADDREF(mAttributes);
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mHash.mInitializer = 0;
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}
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AttributeKey::~AttributeKey(void)
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{
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NS_RELEASE(mAttributes);
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}
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PRBool AttributeKey::Equals(const nsHashKey* aOther) const
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{
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const AttributeKey* other = (const AttributeKey*)aOther;
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PRBool equals;
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mAttributes->Equals(other->mAttributes, equals);
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return equals;
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}
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PRUint32 AttributeKey::HashValue(void) const
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{
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if (0 == mHash.mBits.mHashSet) {
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AttributeKey* self = (AttributeKey*)this; // break const
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PRUint32 hash;
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mAttributes->HashValue(hash);
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self->mHash.mBits.mHashCode = (0x7FFFFFFF & hash);
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self->mHash.mBits.mHashSet = 1;
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}
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return mHash.mBits.mHashCode;
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}
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nsHashKey* AttributeKey::Clone(void) const
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{
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AttributeKey* clown = new AttributeKey(mAttributes);
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if (nsnull != clown) {
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clown->mHash.mInitializer = mHash.mInitializer;
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}
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return clown;
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}
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// -----------------------------------------------------------
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class HTMLStyleSheetImpl : public nsIHTMLStyleSheet {
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public:
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void* operator new(size_t size);
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void* operator new(size_t size, nsIArena* aArena);
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void operator delete(void* ptr);
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HTMLStyleSheetImpl(void);
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NS_IMETHOD QueryInterface(const nsIID& aIID, void** aInstancePtr);
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NS_IMETHOD_(nsrefcnt) AddRef();
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NS_IMETHOD_(nsrefcnt) Release();
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// nsIStyleSheet api
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NS_IMETHOD GetURL(nsIURI*& aURL) const;
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NS_IMETHOD GetTitle(nsString& aTitle) const;
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NS_IMETHOD GetType(nsString& aType) const;
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NS_IMETHOD GetMediumCount(PRInt32& aCount) const;
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NS_IMETHOD GetMediumAt(PRInt32 aIndex, nsIAtom*& aMedium) const;
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NS_IMETHOD UseForMedium(nsIAtom* aMedium) const;
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NS_IMETHOD GetEnabled(PRBool& aEnabled) const;
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NS_IMETHOD SetEnabled(PRBool aEnabled);
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// style sheet owner info
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NS_IMETHOD GetParentSheet(nsIStyleSheet*& aParent) const; // will be null
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NS_IMETHOD GetOwningDocument(nsIDocument*& aDocument) const;
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NS_IMETHOD SetOwningDocument(nsIDocument* aDocumemt);
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virtual PRInt32 RulesMatching(nsIPresContext* aPresContext,
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nsIContent* aContent,
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nsIStyleContext* aParentContext,
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nsISupportsArray* aResults);
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virtual PRInt32 RulesMatching(nsIPresContext* aPresContext,
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nsIContent* aParentContent,
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nsIAtom* aPseudoTag,
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nsIStyleContext* aParentContext,
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nsISupportsArray* aResults);
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NS_IMETHOD HasStateDependentStyle(nsIPresContext* aPresContext,
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nsIContent* aContent);
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// nsIHTMLStyleSheet api
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NS_IMETHOD Init(nsIURI* aURL, nsIDocument* aDocument);
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NS_IMETHOD Reset(nsIURI* aURL);
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NS_IMETHOD GetLinkColor(nscolor& aColor);
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NS_IMETHOD GetActiveLinkColor(nscolor& aColor);
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NS_IMETHOD GetVisitedLinkColor(nscolor& aColor);
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NS_IMETHOD GetDocumentForegroundColor(nscolor& aColor);
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NS_IMETHOD GetDocumentBackgroundColor(nscolor& aColor);
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NS_IMETHOD SetLinkColor(nscolor aColor);
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NS_IMETHOD SetActiveLinkColor(nscolor aColor);
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NS_IMETHOD SetVisitedLinkColor(nscolor aColor);
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NS_IMETHOD SetDocumentForegroundColor(nscolor aColor);
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NS_IMETHOD SetDocumentBackgroundColor(nscolor aColor);
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// Attribute management methods, aAttributes is an in/out param
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NS_IMETHOD SetAttributesFor(nsIHTMLContent* aContent,
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nsIHTMLAttributes*& aAttributes);
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NS_IMETHOD SetAttributeFor(nsIAtom* aAttribute, const nsString& aValue,
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PRBool aMappedToStyle,
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nsIHTMLContent* aContent,
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nsIHTMLAttributes*& aAttributes);
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NS_IMETHOD SetAttributeFor(nsIAtom* aAttribute, const nsHTMLValue& aValue,
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PRBool aMappedToStyle,
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nsIHTMLContent* aContent,
|
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nsIHTMLAttributes*& aAttributes);
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|
NS_IMETHOD UnsetAttributeFor(nsIAtom* aAttribute, nsIHTMLContent* aContent,
|
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nsIHTMLAttributes*& aAttributes);
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// Mapped Attribute management methods
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NS_IMETHOD UniqueMappedAttributes(nsIHTMLMappedAttributes* aMapped,
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nsIHTMLMappedAttributes*& aUniqueMapped);
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NS_IMETHOD DropMappedAttributes(nsIHTMLMappedAttributes* aMapped);
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virtual void List(FILE* out = stdout, PRInt32 aIndent = 0) const;
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private:
|
|
// These are not supported and are not implemented!
|
|
HTMLStyleSheetImpl(const HTMLStyleSheetImpl& aCopy);
|
|
HTMLStyleSheetImpl& operator=(const HTMLStyleSheetImpl& aCopy);
|
|
|
|
protected:
|
|
virtual ~HTMLStyleSheetImpl();
|
|
|
|
protected:
|
|
PRUint32 mInHeap : 1;
|
|
PRUint32 mRefCnt : 31;
|
|
|
|
nsIURI* mURL;
|
|
nsIDocument* mDocument;
|
|
HTMLColorRule* mLinkRule;
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|
HTMLColorRule* mVisitedRule;
|
|
HTMLColorRule* mActiveRule;
|
|
HTMLDocumentColorRule* mDocumentColorRule;
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TableBackgroundRule* mTableBackgroundRule;
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nsHashtable mMappedAttrTable;
|
|
};
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|
|
|
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void* HTMLStyleSheetImpl::operator new(size_t size)
|
|
{
|
|
HTMLStyleSheetImpl* rv = (HTMLStyleSheetImpl*) ::operator new(size);
|
|
#ifdef NS_DEBUG
|
|
if (nsnull != rv) {
|
|
nsCRT::memset(rv, 0xEE, size);
|
|
}
|
|
#endif
|
|
rv->mInHeap = 1;
|
|
return (void*) rv;
|
|
}
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|
|
void* HTMLStyleSheetImpl::operator new(size_t size, nsIArena* aArena)
|
|
{
|
|
HTMLStyleSheetImpl* rv = (HTMLStyleSheetImpl*) aArena->Alloc(PRInt32(size));
|
|
#ifdef NS_DEBUG
|
|
if (nsnull != rv) {
|
|
nsCRT::memset(rv, 0xEE, size);
|
|
}
|
|
#endif
|
|
rv->mInHeap = 0;
|
|
return (void*) rv;
|
|
}
|
|
|
|
void HTMLStyleSheetImpl::operator delete(void* ptr)
|
|
{
|
|
HTMLStyleSheetImpl* sheet = (HTMLStyleSheetImpl*) ptr;
|
|
if (nsnull != sheet) {
|
|
if (sheet->mInHeap) {
|
|
::operator delete(ptr);
|
|
}
|
|
}
|
|
}
|
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|
|
|
|
|
|
HTMLStyleSheetImpl::HTMLStyleSheetImpl(void)
|
|
: nsIHTMLStyleSheet(),
|
|
mURL(nsnull),
|
|
mDocument(nsnull),
|
|
mLinkRule(nsnull),
|
|
mVisitedRule(nsnull),
|
|
mActiveRule(nsnull),
|
|
mDocumentColorRule(nsnull)
|
|
{
|
|
NS_INIT_REFCNT();
|
|
mTableBackgroundRule = new TableBackgroundRule(this);
|
|
NS_ADDREF(mTableBackgroundRule);
|
|
}
|
|
|
|
PRBool MappedDropSheet(nsHashKey *aKey, void *aData, void* closure)
|
|
{
|
|
nsIHTMLMappedAttributes* mapped = (nsIHTMLMappedAttributes*)aData;
|
|
mapped->DropStyleSheetReference();
|
|
return PR_TRUE;
|
|
}
|
|
|
|
HTMLStyleSheetImpl::~HTMLStyleSheetImpl()
|
|
{
|
|
NS_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 != mTableBackgroundRule) {
|
|
mTableBackgroundRule->mSheet = nsnull;
|
|
NS_RELEASE(mTableBackgroundRule);
|
|
}
|
|
mMappedAttrTable.Enumerate(MappedDropSheet);
|
|
}
|
|
|
|
NS_IMPL_ADDREF(HTMLStyleSheetImpl)
|
|
NS_IMPL_RELEASE(HTMLStyleSheetImpl)
|
|
|
|
nsresult HTMLStyleSheetImpl::QueryInterface(const nsIID& aIID,
|
|
void** aInstancePtrResult)
|
|
{
|
|
NS_PRECONDITION(nsnull != aInstancePtrResult, "null pointer");
|
|
if (nsnull == aInstancePtrResult) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
|
|
if (aIID.Equals(kIHTMLStyleSheetIID)) {
|
|
*aInstancePtrResult = (void*) ((nsIHTMLStyleSheet*)this);
|
|
NS_ADDREF_THIS();
|
|
return NS_OK;
|
|
}
|
|
if (aIID.Equals(kIStyleSheetIID)) {
|
|
*aInstancePtrResult = (void*) ((nsIStyleSheet*)this);
|
|
NS_ADDREF_THIS();
|
|
return NS_OK;
|
|
}
|
|
if (aIID.Equals(kIStyleFrameConstructionIID)) {
|
|
// XXX this breaks XPCOM rules since it isn't a proper delegate
|
|
// This is a temporary method of connecting the constructor for now
|
|
nsCSSFrameConstructor* constructor = new nsCSSFrameConstructor();
|
|
if (nsnull != constructor) {
|
|
constructor->Init(mDocument);
|
|
nsresult result = constructor->QueryInterface(aIID, aInstancePtrResult);
|
|
if (NS_FAILED(result)) {
|
|
delete constructor;
|
|
}
|
|
return result;
|
|
}
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
if (aIID.Equals(kISupportsIID)) {
|
|
*aInstancePtrResult = (void*) this;
|
|
NS_ADDREF_THIS();
|
|
return NS_OK;
|
|
}
|
|
return NS_NOINTERFACE;
|
|
}
|
|
|
|
PRInt32 HTMLStyleSheetImpl::RulesMatching(nsIPresContext* aPresContext,
|
|
nsIContent* aContent,
|
|
nsIStyleContext* aParentContext,
|
|
nsISupportsArray* aResults)
|
|
{
|
|
NS_PRECONDITION(nsnull != aPresContext, "null arg");
|
|
NS_PRECONDITION(nsnull != aContent, "null arg");
|
|
NS_PRECONDITION(nsnull != aResults, "null arg");
|
|
|
|
PRInt32 matchCount = 0;
|
|
|
|
nsIStyledContent* styledContent;
|
|
if (NS_SUCCEEDED(aContent->QueryInterface(nsIStyledContent::GetIID(), (void**)&styledContent))) {
|
|
PRInt32 nameSpace;
|
|
styledContent->GetNameSpaceID(nameSpace);
|
|
if (kNameSpaceID_HTML == nameSpace) {
|
|
nsIAtom* tag;
|
|
styledContent->GetTag(tag);
|
|
// if we have anchor colors, check if this is an anchor with an href
|
|
if (tag == nsHTMLAtoms::a) {
|
|
if ((nsnull != mLinkRule) || (nsnull != mVisitedRule)) {
|
|
// test link state
|
|
nsILinkHandler* linkHandler;
|
|
|
|
if (NS_OK == aPresContext->GetLinkHandler(&linkHandler)) {
|
|
nsAutoString base, href;
|
|
nsresult attrState = styledContent->GetAttribute(kNameSpaceID_None, nsHTMLAtoms::href, href);
|
|
|
|
if (NS_CONTENT_ATTR_HAS_VALUE == attrState) {
|
|
|
|
if (! linkHandler) {
|
|
if (nsnull != mLinkRule) {
|
|
aResults->AppendElement(mLinkRule);
|
|
matchCount++;
|
|
}
|
|
}
|
|
else {
|
|
nsIURI* docURL = nsnull;
|
|
|
|
nsIHTMLContent* htmlContent;
|
|
if (NS_SUCCEEDED(styledContent->QueryInterface(kIHTMLContentIID, (void**)&htmlContent))) {
|
|
htmlContent->GetBaseURL(docURL);
|
|
|
|
nsAutoString absURLSpec;
|
|
nsresult rv;
|
|
#ifndef NECKO
|
|
rv = NS_MakeAbsoluteURL(docURL, base, href, absURLSpec);
|
|
#else
|
|
nsIURI *baseUri = nsnull;
|
|
rv = docURL->QueryInterface(nsIURI::GetIID(), (void**)&baseUri);
|
|
if (NS_FAILED(rv)) return 0;
|
|
|
|
rv = NS_MakeAbsoluteURI(href, baseUri, absURLSpec);
|
|
|
|
NS_RELEASE(baseUri);
|
|
#endif // NECKO
|
|
NS_IF_RELEASE(docURL);
|
|
|
|
nsLinkState state;
|
|
if (NS_OK == linkHandler->GetLinkState(absURLSpec.GetUnicode(), state)) {
|
|
switch (state) {
|
|
case eLinkState_Unvisited:
|
|
if (nsnull != mLinkRule) {
|
|
aResults->AppendElement(mLinkRule);
|
|
matchCount++;
|
|
}
|
|
break;
|
|
case eLinkState_Visited:
|
|
if (nsnull != mVisitedRule) {
|
|
aResults->AppendElement(mVisitedRule);
|
|
matchCount++;
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
NS_RELEASE(htmlContent);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
NS_IF_RELEASE(linkHandler);
|
|
} // end link/visited rules
|
|
if (nsnull != mActiveRule) { // test active state of link
|
|
nsIEventStateManager* eventStateManager;
|
|
|
|
if ((NS_OK == aPresContext->GetEventStateManager(&eventStateManager)) &&
|
|
(nsnull != eventStateManager)) {
|
|
PRInt32 state;
|
|
if (NS_OK == eventStateManager->GetContentState(aContent, state)) {
|
|
if (0 != (state & NS_EVENT_STATE_ACTIVE)) {
|
|
aResults->AppendElement(mActiveRule);
|
|
matchCount++;
|
|
}
|
|
}
|
|
NS_RELEASE(eventStateManager);
|
|
}
|
|
} // end active rule
|
|
} // end A tag
|
|
// add the quirks background compatibility rule if in quirks mode
|
|
else if ((tag == nsHTMLAtoms::td) ||
|
|
(tag == nsHTMLAtoms::th) ||
|
|
(tag == nsHTMLAtoms::tr) ||
|
|
(tag == nsHTMLAtoms::thead) || // Nav4.X doesn't support row groups, but it is a lot
|
|
(tag == nsHTMLAtoms::tbody) || // easier passing from the table to rows this way
|
|
(tag == nsHTMLAtoms::tfoot)) {
|
|
nsCompatibility mode;
|
|
aPresContext->GetCompatibilityMode(&mode);
|
|
if (eCompatibility_NavQuirks == mode) {
|
|
if (mDocumentColorRule) {
|
|
aResults->AppendElement(mDocumentColorRule);
|
|
matchCount++;
|
|
}
|
|
aResults->AppendElement(mTableBackgroundRule);
|
|
matchCount++;
|
|
}
|
|
}
|
|
else if (tag == nsHTMLAtoms::html) {
|
|
if (mDocumentColorRule) {
|
|
aResults->AppendElement(mDocumentColorRule);
|
|
matchCount++;
|
|
}
|
|
}
|
|
NS_IF_RELEASE(tag);
|
|
} // end html namespace
|
|
|
|
// just get the one and only style rule from the content
|
|
PRUint32 preCount = 0;
|
|
PRUint32 postCount = 0;
|
|
aResults->Count(&preCount);
|
|
styledContent->GetContentStyleRules(aResults);
|
|
aResults->Count(&postCount);
|
|
matchCount += (postCount - preCount);
|
|
|
|
NS_RELEASE(styledContent);
|
|
}
|
|
|
|
return matchCount;
|
|
}
|
|
|
|
// Test if style is dependent on content state
|
|
NS_IMETHODIMP
|
|
HTMLStyleSheetImpl::HasStateDependentStyle(nsIPresContext* aPresContext,
|
|
nsIContent* aContent)
|
|
{
|
|
nsresult result = NS_COMFALSE;
|
|
|
|
if (mActiveRule || mLinkRule || mVisitedRule) { // do we have any rules dependent on state?
|
|
nsIStyledContent* styledContent;
|
|
if (NS_SUCCEEDED(aContent->QueryInterface(nsIStyledContent::GetIID(), (void**)&styledContent))) {
|
|
PRInt32 nameSpace;
|
|
styledContent->GetNameSpaceID(nameSpace);
|
|
if (kNameSpaceID_HTML == nameSpace) {
|
|
nsIAtom* tag;
|
|
styledContent->GetTag(tag);
|
|
// if we have anchor colors, check if this is an anchor with an href
|
|
if (tag == nsHTMLAtoms::a) {
|
|
nsAutoString href;
|
|
nsresult attrState = styledContent->GetAttribute(kNameSpaceID_None, nsHTMLAtoms::href, href);
|
|
if (NS_CONTENT_ATTR_HAS_VALUE == attrState) {
|
|
result = NS_OK; // yes, style will depend on link state
|
|
}
|
|
}
|
|
NS_IF_RELEASE(tag);
|
|
}
|
|
NS_RELEASE(styledContent);
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
|
|
|
|
PRInt32 HTMLStyleSheetImpl::RulesMatching(nsIPresContext* aPresContext,
|
|
nsIContent* aParentContent,
|
|
nsIAtom* aPseudoTag,
|
|
nsIStyleContext* aParentContext,
|
|
nsISupportsArray* aResults)
|
|
{
|
|
// no pseudo frame style
|
|
return 0;
|
|
}
|
|
|
|
|
|
// nsIStyleSheet api
|
|
NS_IMETHODIMP
|
|
HTMLStyleSheetImpl::GetURL(nsIURI*& aURL) const
|
|
{
|
|
NS_IF_ADDREF(mURL);
|
|
aURL = mURL;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
HTMLStyleSheetImpl::GetTitle(nsString& aTitle) const
|
|
{
|
|
aTitle.Truncate();
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
HTMLStyleSheetImpl::GetType(nsString& aType) const
|
|
{
|
|
aType.Truncate();
|
|
aType.Append("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
|
|
HTMLStyleSheetImpl::UseForMedium(nsIAtom* aMedium) const
|
|
{
|
|
return NS_OK; // works for all media
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
HTMLStyleSheetImpl::GetEnabled(PRBool& aEnabled) const
|
|
{
|
|
aEnabled = PR_TRUE;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
HTMLStyleSheetImpl::SetEnabled(PRBool aEnabled)
|
|
{ // these can't be disabled
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
HTMLStyleSheetImpl::GetParentSheet(nsIStyleSheet*& aParent) const
|
|
{
|
|
aParent = nsnull;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
HTMLStyleSheetImpl::GetOwningDocument(nsIDocument*& aDocument) const
|
|
{
|
|
NS_IF_ADDREF(mDocument);
|
|
aDocument = mDocument;
|
|
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 (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 (mDocumentColorRule) {
|
|
mDocumentColorRule->mSheet = nsnull;
|
|
NS_RELEASE(mDocumentColorRule);
|
|
}
|
|
if (mTableBackgroundRule) {
|
|
mTableBackgroundRule->mSheet = nsnull;
|
|
NS_RELEASE(mTableBackgroundRule);
|
|
}
|
|
|
|
mMappedAttrTable.Enumerate(MappedDropSheet);
|
|
mMappedAttrTable.Reset();
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP HTMLStyleSheetImpl::GetLinkColor(nscolor& aColor)
|
|
{
|
|
if (nsnull == mLinkRule) {
|
|
return NS_HTML_STYLE_PROPERTY_NOT_THERE;
|
|
}
|
|
else {
|
|
aColor = mLinkRule->mColor;
|
|
return NS_OK;
|
|
}
|
|
}
|
|
|
|
NS_IMETHODIMP HTMLStyleSheetImpl::GetActiveLinkColor(nscolor& aColor)
|
|
{
|
|
if (nsnull == mActiveRule) {
|
|
return NS_HTML_STYLE_PROPERTY_NOT_THERE;
|
|
}
|
|
else {
|
|
aColor = mActiveRule->mColor;
|
|
return NS_OK;
|
|
}
|
|
}
|
|
|
|
NS_IMETHODIMP HTMLStyleSheetImpl::GetVisitedLinkColor(nscolor& aColor)
|
|
{
|
|
if (nsnull == mVisitedRule) {
|
|
return NS_HTML_STYLE_PROPERTY_NOT_THERE;
|
|
}
|
|
else {
|
|
aColor = mVisitedRule->mColor;
|
|
return NS_OK;
|
|
}
|
|
}
|
|
|
|
NS_IMETHODIMP HTMLStyleSheetImpl::GetDocumentForegroundColor(nscolor& aColor)
|
|
{
|
|
if ((nsnull == mDocumentColorRule) ||
|
|
!mDocumentColorRule->mForegroundSet) {
|
|
return NS_HTML_STYLE_PROPERTY_NOT_THERE;
|
|
}
|
|
else {
|
|
aColor = mDocumentColorRule->mColor;
|
|
return NS_OK;
|
|
}
|
|
}
|
|
|
|
NS_IMETHODIMP HTMLStyleSheetImpl::GetDocumentBackgroundColor(nscolor& aColor)
|
|
{
|
|
if ((nsnull == mDocumentColorRule) ||
|
|
!mDocumentColorRule->mBackgroundSet) {
|
|
return NS_HTML_STYLE_PROPERTY_NOT_THERE;
|
|
}
|
|
else {
|
|
aColor = mDocumentColorRule->mBackgroundColor;
|
|
return NS_OK;
|
|
}
|
|
}
|
|
|
|
NS_IMETHODIMP HTMLStyleSheetImpl::SetLinkColor(nscolor aColor)
|
|
{
|
|
if (nsnull == mLinkRule) {
|
|
mLinkRule = new HTMLColorRule(this);
|
|
if (nsnull == mLinkRule) {
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
NS_ADDREF(mLinkRule);
|
|
}
|
|
mLinkRule->mColor = aColor;
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP HTMLStyleSheetImpl::SetActiveLinkColor(nscolor aColor)
|
|
{
|
|
if (nsnull == mActiveRule) {
|
|
mActiveRule = new HTMLColorRule(this);
|
|
if (nsnull == mActiveRule) {
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
NS_ADDREF(mActiveRule);
|
|
}
|
|
mActiveRule->mColor = aColor;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP HTMLStyleSheetImpl::SetVisitedLinkColor(nscolor aColor)
|
|
{
|
|
if (nsnull == mVisitedRule) {
|
|
mVisitedRule = new HTMLColorRule(this);
|
|
if (nsnull == mVisitedRule) {
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
NS_ADDREF(mVisitedRule);
|
|
}
|
|
mVisitedRule->mColor = aColor;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP HTMLStyleSheetImpl::SetDocumentForegroundColor(nscolor aColor)
|
|
{
|
|
if (nsnull == mDocumentColorRule) {
|
|
mDocumentColorRule = new HTMLDocumentColorRule(this);
|
|
if (nsnull == mDocumentColorRule) {
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
NS_ADDREF(mDocumentColorRule);
|
|
}
|
|
mDocumentColorRule->mColor = aColor;
|
|
mDocumentColorRule->mForegroundSet = PR_TRUE;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP HTMLStyleSheetImpl::SetDocumentBackgroundColor(nscolor aColor)
|
|
{
|
|
if (nsnull == mDocumentColorRule) {
|
|
mDocumentColorRule = new HTMLDocumentColorRule(this);
|
|
if (nsnull == mDocumentColorRule) {
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
NS_ADDREF(mDocumentColorRule);
|
|
}
|
|
mDocumentColorRule->mBackgroundColor = aColor;
|
|
mDocumentColorRule->mBackgroundSet = PR_TRUE;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP HTMLStyleSheetImpl::SetAttributesFor(nsIHTMLContent* aContent, nsIHTMLAttributes*& aAttributes)
|
|
{
|
|
if (aAttributes) {
|
|
aAttributes->SetStyleSheet(this);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP HTMLStyleSheetImpl::SetAttributeFor(nsIAtom* aAttribute,
|
|
const nsString& aValue,
|
|
PRBool aMappedToStyle,
|
|
nsIHTMLContent* aContent,
|
|
nsIHTMLAttributes*& aAttributes)
|
|
{
|
|
nsresult result = NS_OK;
|
|
|
|
if (! aAttributes) {
|
|
result = NS_NewHTMLAttributes(&aAttributes);
|
|
}
|
|
if (aAttributes) {
|
|
result = aAttributes->SetAttributeFor(aAttribute, aValue, aMappedToStyle,
|
|
aContent, this);
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
NS_IMETHODIMP HTMLStyleSheetImpl::SetAttributeFor(nsIAtom* aAttribute,
|
|
const nsHTMLValue& aValue,
|
|
PRBool aMappedToStyle,
|
|
nsIHTMLContent* aContent,
|
|
nsIHTMLAttributes*& aAttributes)
|
|
{
|
|
nsresult result = NS_OK;
|
|
|
|
if ((! aAttributes) && (eHTMLUnit_Null != aValue.GetUnit())) {
|
|
result = NS_NewHTMLAttributes(&aAttributes);
|
|
}
|
|
if (aAttributes) {
|
|
PRInt32 count;
|
|
result = aAttributes->SetAttributeFor(aAttribute, aValue, aMappedToStyle,
|
|
aContent, this, count);
|
|
if (0 == count) {
|
|
NS_RELEASE(aAttributes);
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
NS_IMETHODIMP HTMLStyleSheetImpl::UnsetAttributeFor(nsIAtom* aAttribute,
|
|
nsIHTMLContent* aContent,
|
|
nsIHTMLAttributes*& aAttributes)
|
|
{
|
|
nsresult result = NS_OK;
|
|
|
|
if (aAttributes) {
|
|
PRInt32 count;
|
|
result = aAttributes->UnsetAttributeFor(aAttribute, aContent, this, count);
|
|
if (0 == count) {
|
|
NS_RELEASE(aAttributes);
|
|
}
|
|
}
|
|
|
|
return result;
|
|
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
HTMLStyleSheetImpl::UniqueMappedAttributes(nsIHTMLMappedAttributes* aMapped,
|
|
nsIHTMLMappedAttributes*& aUniqueMapped)
|
|
{
|
|
nsresult result = NS_OK;
|
|
|
|
AttributeKey key(aMapped);
|
|
nsIHTMLMappedAttributes* sharedAttrs = (nsIHTMLMappedAttributes*)mMappedAttrTable.Get(&key);
|
|
if (nsnull == sharedAttrs) { // we have a new unique set
|
|
mMappedAttrTable.Put(&key, aMapped);
|
|
aMapped->SetUniqued(PR_TRUE);
|
|
NS_ADDREF(aMapped);
|
|
aUniqueMapped = aMapped;
|
|
}
|
|
else { // found existing set
|
|
aUniqueMapped = sharedAttrs;
|
|
NS_ADDREF(aUniqueMapped);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
HTMLStyleSheetImpl::DropMappedAttributes(nsIHTMLMappedAttributes* aMapped)
|
|
{
|
|
if (aMapped) {
|
|
PRBool inTable = PR_FALSE;
|
|
aMapped->GetUniqued(inTable);
|
|
if (inTable) {
|
|
AttributeKey key(aMapped);
|
|
nsIHTMLMappedAttributes* old = (nsIHTMLMappedAttributes*)mMappedAttrTable.Remove(&key);
|
|
NS_ASSERTION(old == aMapped, "not in table");
|
|
aMapped->SetUniqued(PR_FALSE);
|
|
}
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
void HTMLStyleSheetImpl::List(FILE* out, PRInt32 aIndent) const
|
|
{
|
|
// Indent
|
|
for (PRInt32 index = aIndent; --index >= 0; ) fputs(" ", out);
|
|
|
|
fputs("HTML Style Sheet: ", out);
|
|
#ifdef NECKO
|
|
char* urlSpec = nsnull;
|
|
mURL->GetSpec(&urlSpec);
|
|
if (urlSpec) {
|
|
fputs(urlSpec, out);
|
|
nsCRT::free(urlSpec);
|
|
}
|
|
#else
|
|
PRUnichar* urlSpec = nsnull;
|
|
mURL->ToString(&urlSpec);
|
|
if (urlSpec) {
|
|
nsAutoString buffer(urlSpec);
|
|
fputs(buffer, out);
|
|
delete [] urlSpec;
|
|
}
|
|
#endif
|
|
fputs("\n", out);
|
|
}
|
|
|
|
|
|
// XXX For convenience and backwards compatibility
|
|
NS_HTML 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;
|
|
}
|
|
|
|
|
|
NS_HTML nsresult
|
|
NS_NewHTMLStyleSheet(nsIHTMLStyleSheet** aInstancePtrResult)
|
|
{
|
|
if (aInstancePtrResult == nsnull) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
HTMLStyleSheetImpl *it = new HTMLStyleSheetImpl();
|
|
|
|
if (nsnull == it) {
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
|
|
NS_ADDREF(it);
|
|
*aInstancePtrResult = it;
|
|
return NS_OK;
|
|
}
|