зеркало из https://github.com/mozilla/gecko-dev.git
1093 строки
37 KiB
C++
1093 строки
37 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 "nsICSSStyleRule.h"
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#include "nsICSSDeclaration.h"
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#include "nsIStyleContext.h"
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#include "nsIPresContext.h"
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#include "nsIArena.h"
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#include "nsIAtom.h"
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#include "nsCRT.h"
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#include "nsString.h"
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#include "nsStyleConsts.h"
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#include "nsHTMLAtoms.h"
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#include "nsUnitConversion.h"
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//#define DEBUG_REFS
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static NS_DEFINE_IID(kIStyleRuleIID, NS_ISTYLE_RULE_IID);
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static NS_DEFINE_IID(kICSSDeclarationIID, NS_ICSS_DECLARATION_IID);
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static NS_DEFINE_IID(kICSSStyleRuleIID, NS_ICSS_STYLE_RULE_IID);
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static NS_DEFINE_IID(kCSSFontSID, NS_CSS_FONT_SID);
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static NS_DEFINE_IID(kCSSColorSID, NS_CSS_COLOR_SID);
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static NS_DEFINE_IID(kCSSTextSID, NS_CSS_TEXT_SID);
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static NS_DEFINE_IID(kCSSMarginSID, NS_CSS_MARGIN_SID);
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static NS_DEFINE_IID(kCSSPositionSID, NS_CSS_POSITION_SID);
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static NS_DEFINE_IID(kCSSListSID, NS_CSS_LIST_SID);
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static NS_DEFINE_IID(kCSSDisplaySID, NS_CSS_DISPLAY_SID);
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// -- nsCSSSelector -------------------------------
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nsCSSSelector::nsCSSSelector()
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: mTag(nsnull), mID(nsnull), mClass(nsnull), mPseudoClass(nsnull),
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mNext(nsnull)
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{
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}
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nsCSSSelector::nsCSSSelector(nsIAtom* aTag, nsIAtom* aID, nsIAtom* aClass, nsIAtom* aPseudoClass)
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: mTag(aTag), mID(aID), mClass(aClass), mPseudoClass(aPseudoClass),
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mNext(nsnull)
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{
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NS_IF_ADDREF(mTag);
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NS_IF_ADDREF(mID);
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NS_IF_ADDREF(mClass);
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NS_IF_ADDREF(mPseudoClass);
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}
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nsCSSSelector::nsCSSSelector(const nsCSSSelector& aCopy)
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: mTag(aCopy.mTag), mID(aCopy.mID), mClass(aCopy.mClass), mPseudoClass(aCopy.mPseudoClass),
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mNext(nsnull)
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{ // implmented to support extension to CSS2 (when we have to copy the array)
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NS_IF_ADDREF(mTag);
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NS_IF_ADDREF(mID);
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NS_IF_ADDREF(mClass);
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NS_IF_ADDREF(mPseudoClass);
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}
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nsCSSSelector::~nsCSSSelector()
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{
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NS_IF_RELEASE(mTag);
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NS_IF_RELEASE(mID);
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NS_IF_RELEASE(mClass);
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NS_IF_RELEASE(mPseudoClass);
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}
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nsCSSSelector& nsCSSSelector::operator=(const nsCSSSelector& aCopy)
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{
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NS_IF_RELEASE(mTag);
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NS_IF_RELEASE(mID);
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NS_IF_RELEASE(mClass);
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NS_IF_RELEASE(mPseudoClass);
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mTag = aCopy.mTag;
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mID = aCopy.mID;
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mClass = aCopy.mClass;
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mPseudoClass = aCopy.mPseudoClass;
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NS_IF_ADDREF(mTag);
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NS_IF_ADDREF(mID);
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NS_IF_ADDREF(mClass);
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NS_IF_ADDREF(mPseudoClass);
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return *this;
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}
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PRBool nsCSSSelector::Equals(const nsCSSSelector* aOther) const
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{
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if (nsnull != aOther) {
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return (PRBool)((aOther->mTag == mTag) && (aOther->mID == mID) &&
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(aOther->mClass == mClass) && (aOther->mPseudoClass == mPseudoClass));
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}
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return PR_FALSE;
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}
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void nsCSSSelector::Set(const nsString& aTag, const nsString& aID,
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const nsString& aClass, const nsString& aPseudoClass)
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{
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nsAutoString buffer;
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NS_IF_RELEASE(mTag);
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NS_IF_RELEASE(mID);
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NS_IF_RELEASE(mClass);
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NS_IF_RELEASE(mPseudoClass);
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if (0 < aTag.Length()) {
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aTag.ToUpperCase(buffer); // XXX is this correct? what about class?
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mTag = NS_NewAtom(buffer);
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}
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if (0 < aID.Length()) {
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mID = NS_NewAtom(aID);
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}
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if (0 < aClass.Length()) {
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mClass = NS_NewAtom(aClass);
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}
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if (0 < aPseudoClass.Length()) {
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aPseudoClass.ToUpperCase(buffer);
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mPseudoClass = NS_NewAtom(buffer);
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if (nsnull == mTag) {
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mTag = nsHTMLAtoms::a;
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NS_ADDREF(mTag);
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}
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}
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}
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// -- nsCSSStyleRule -------------------------------
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class CSSStyleRuleImpl : public nsICSSStyleRule {
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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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CSSStyleRuleImpl(const nsCSSSelector& aSelector);
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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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virtual PRBool Equals(const nsIStyleRule* aRule) const;
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virtual PRUint32 HashValue(void) const;
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virtual nsCSSSelector* FirstSelector(void);
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virtual void AddSelector(const nsCSSSelector& aSelector);
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virtual void DeleteSelector(nsCSSSelector* aSelector);
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virtual nsICSSDeclaration* GetDeclaration(void) const;
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virtual void SetDeclaration(nsICSSDeclaration* aDeclaration);
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virtual PRInt32 GetWeight(void) const;
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virtual void SetWeight(PRInt32 aWeight);
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virtual nscoord CalcLength(const nsCSSValue& aValue, nsStyleFont* aFont,
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nsIPresContext* aPresContext);
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virtual PRBool SetCoord(const nsCSSValue& aValue, nsStyleCoord& aCoord,
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PRInt32 aMask, nsStyleFont* aFont,
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nsIPresContext* aPresContext);
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virtual void MapStyleInto(nsIStyleContext* aContext, nsIPresContext* aPresContext);
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virtual void List(FILE* out = stdout, PRInt32 aIndent = 0) const;
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private:
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// These are not supported and are not implemented!
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CSSStyleRuleImpl(const CSSStyleRuleImpl& aCopy);
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CSSStyleRuleImpl& operator=(const CSSStyleRuleImpl& aCopy);
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protected:
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virtual ~CSSStyleRuleImpl();
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protected:
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PRUint32 mInHeap : 1;
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PRUint32 mRefCnt : 31;
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nsCSSSelector mSelector;
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nsICSSDeclaration* mDeclaration;
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PRInt32 mWeight;
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#ifdef DEBUG_REFS
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PRInt32 mInstance;
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#endif
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};
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void* CSSStyleRuleImpl::operator new(size_t size)
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{
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CSSStyleRuleImpl* rv = (CSSStyleRuleImpl*) ::operator new(size);
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#ifdef NS_DEBUG
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if (nsnull != rv) {
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nsCRT::memset(rv, 0xEE, size);
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}
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#endif
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rv->mInHeap = 1;
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return (void*) rv;
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}
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void* CSSStyleRuleImpl::operator new(size_t size, nsIArena* aArena)
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{
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CSSStyleRuleImpl* rv = (CSSStyleRuleImpl*) aArena->Alloc(PRInt32(size));
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#ifdef NS_DEBUG
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if (nsnull != rv) {
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nsCRT::memset(rv, 0xEE, size);
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}
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#endif
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rv->mInHeap = 0;
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return (void*) rv;
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}
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void CSSStyleRuleImpl::operator delete(void* ptr)
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{
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CSSStyleRuleImpl* rule = (CSSStyleRuleImpl*) ptr;
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if (nsnull != rule) {
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if (rule->mInHeap) {
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::delete ptr;
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}
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}
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}
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#ifdef DEBUG_REFS
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static PRInt32 gInstanceCount;
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static const PRInt32 kInstrument = 1075;
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#endif
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CSSStyleRuleImpl::CSSStyleRuleImpl(const nsCSSSelector& aSelector)
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: mSelector(aSelector), mDeclaration(nsnull), mWeight(0)
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{
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NS_INIT_REFCNT();
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#ifdef DEBUG_REFS
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mInstance = gInstanceCount++;
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fprintf(stdout, "%d of %d + CSSStyleRule\n", mInstance, gInstanceCount);
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#endif
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}
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CSSStyleRuleImpl::~CSSStyleRuleImpl()
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{
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nsCSSSelector* next = mSelector.mNext;
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while (nsnull != next) {
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nsCSSSelector* selector = next;
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next = selector->mNext;
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delete selector;
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}
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NS_IF_RELEASE(mDeclaration);
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#ifdef DEBUG_REFS
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--gInstanceCount;
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fprintf(stdout, "%d of %d - CSSStyleRule\n", mInstance, gInstanceCount);
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#endif
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}
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#ifdef DEBUG_REFS
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nsrefcnt CSSStyleRuleImpl::AddRef(void)
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{
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if (mInstance == kInstrument) {
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fprintf(stdout, "%d AddRef CSSStyleRule\n", mRefCnt + 1);
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}
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return ++mRefCnt;
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}
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nsrefcnt CSSStyleRuleImpl::Release(void)
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{
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if (mInstance == kInstrument) {
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fprintf(stdout, "%d Release CSSStyleRule\n", mRefCnt - 1);
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}
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if (--mRefCnt == 0) {
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delete this;
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return 0;
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}
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return mRefCnt;
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}
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#else
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NS_IMPL_ADDREF(CSSStyleRuleImpl)
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NS_IMPL_RELEASE(CSSStyleRuleImpl)
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#endif
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nsresult CSSStyleRuleImpl::QueryInterface(const nsIID& aIID,
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void** aInstancePtrResult)
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{
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NS_PRECONDITION(nsnull != aInstancePtrResult, "null pointer");
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if (nsnull == aInstancePtrResult) {
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return NS_ERROR_NULL_POINTER;
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}
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static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
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if (aIID.Equals(kICSSStyleRuleIID)) {
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*aInstancePtrResult = (void*) ((nsICSSStyleRule*)this);
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AddRef();
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return NS_OK;
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}
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if (aIID.Equals(kIStyleRuleIID)) {
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*aInstancePtrResult = (void*) ((nsIStyleRule*)this);
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AddRef();
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return NS_OK;
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}
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if (aIID.Equals(kISupportsIID)) {
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*aInstancePtrResult = (void*) ((nsISupports*)this);
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AddRef();
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return NS_OK;
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}
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return NS_NOINTERFACE;
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}
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PRBool CSSStyleRuleImpl::Equals(const nsIStyleRule* aRule) const
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{
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nsICSSStyleRule* iCSSRule;
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if (this == aRule) {
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return PR_TRUE;
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}
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if ((nsnull != aRule) &&
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(NS_OK == ((nsIStyleRule*)aRule)->QueryInterface(kICSSStyleRuleIID, (void**) &iCSSRule))) {
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CSSStyleRuleImpl* rule = (CSSStyleRuleImpl*)iCSSRule;
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const nsCSSSelector* local = &mSelector;
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const nsCSSSelector* other = &(rule->mSelector);
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PRBool result = PR_TRUE;
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while ((PR_TRUE == result) && (nsnull != local) && (nsnull != other)) {
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if (! local->Equals(other)) {
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result = PR_FALSE;
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}
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local = local->mNext;
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other = other->mNext;
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}
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if ((nsnull != local) || (nsnull != other)) { // more were left
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result = PR_FALSE;
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}
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if ((rule->mDeclaration != mDeclaration) ||
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(rule->mWeight != mWeight)) {
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result = PR_FALSE;
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}
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NS_RELEASE(iCSSRule);
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return result;
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}
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return PR_FALSE;
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}
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PRUint32 CSSStyleRuleImpl::HashValue(void) const
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{
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return (PRUint32)this;
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}
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nsCSSSelector* CSSStyleRuleImpl::FirstSelector(void)
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{
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return &mSelector;
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}
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void CSSStyleRuleImpl::AddSelector(const nsCSSSelector& aSelector)
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{
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if ((nsnull != aSelector.mTag) || (nsnull != aSelector.mID) ||
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(nsnull != aSelector.mClass) || (nsnull != aSelector.mPseudoClass)) { // skip empty selectors
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nsCSSSelector* selector = new nsCSSSelector(aSelector);
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nsCSSSelector* last = &mSelector;
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while (nsnull != last->mNext) {
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last = last->mNext;
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}
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last->mNext = selector;
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}
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}
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void CSSStyleRuleImpl::DeleteSelector(nsCSSSelector* aSelector)
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{
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if (nsnull != aSelector) {
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if (&mSelector == aSelector) { // handle first selector
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mSelector = *aSelector; // assign value
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mSelector.mNext = aSelector->mNext;
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delete aSelector;
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}
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else {
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nsCSSSelector* selector = &mSelector;
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while (nsnull != selector->mNext) {
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if (aSelector == selector->mNext) {
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selector->mNext = aSelector->mNext;
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delete aSelector;
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return;
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}
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selector = selector->mNext;
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}
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}
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}
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}
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nsICSSDeclaration* CSSStyleRuleImpl::GetDeclaration(void) const
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{
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NS_IF_ADDREF(mDeclaration);
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return mDeclaration;
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}
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void CSSStyleRuleImpl::SetDeclaration(nsICSSDeclaration* aDeclaration)
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{
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NS_IF_RELEASE(mDeclaration);
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mDeclaration = aDeclaration;
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NS_IF_ADDREF(mDeclaration);
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}
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PRInt32 CSSStyleRuleImpl::GetWeight(void) const
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{
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return mWeight;
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}
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void CSSStyleRuleImpl::SetWeight(PRInt32 aWeight)
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{
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mWeight = aWeight;
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}
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nscoord CSSStyleRuleImpl::CalcLength(const nsCSSValue& aValue,
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nsStyleFont* aFont,
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nsIPresContext* aPresContext)
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{
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NS_ASSERTION(aValue.IsLengthUnit(), "not a length unit");
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if (aValue.IsFixedLengthUnit()) {
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return aValue.GetLengthTwips();
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}
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nsCSSUnit unit = aValue.GetUnit();
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switch (unit) {
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case eCSSUnit_EM:
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return aFont->mFont.size;
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case eCSSUnit_EN:
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return (aFont->mFont.size / 2);
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case eCSSUnit_XHeight:
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NS_NOTYETIMPLEMENTED("x height unit");
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return ((aFont->mFont.size / 3) * 2); // XXX HACK!
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case eCSSUnit_CapHeight:
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NS_NOTYETIMPLEMENTED("cap height unit");
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return ((aFont->mFont.size / 3) * 2); // XXX HACK!
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case eCSSUnit_Pixel:
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return (nscoord)(aPresContext->GetPixelsToTwips() * aValue.GetFloatValue());
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}
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return 0;
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}
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#define SETCOORD_NORMAL 0x01
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#define SETCOORD_AUTO 0x02
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#define SETCOORD_INHERIT 0x04
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#define SETCOORD_PERCENT 0x08
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#define SETCOORD_FACTOR 0x10
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#define SETCOORD_LENGTH 0x20
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#define SETCOORD_INTEGER 0x40
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#define SETCOORD_ENUMERATED 0x80
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#define SETCOORD_LP (SETCOORD_LENGTH | SETCOORD_PERCENT)
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#define SETCOORD_LH (SETCOORD_LENGTH | SETCOORD_INHERIT)
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#define SETCOORD_AH (SETCOORD_AUTO | SETCOORD_INHERIT)
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#define SETCOORD_LPH (SETCOORD_LP | SETCOORD_INHERIT)
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#define SETCOORD_LPFHN (SETCOORD_LPH | SETCOORD_FACTOR | SETCOORD_NORMAL)
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#define SETCOORD_LPAH (SETCOORD_LP | SETCOORD_AH)
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#define SETCOORD_LPEH (SETCOORD_LP | SETCOORD_ENUMERATED | SETCOORD_INHERIT)
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#define SETCOORD_IAH (SETCOORD_INTEGER | SETCOORD_AH)
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PRBool CSSStyleRuleImpl::SetCoord(const nsCSSValue& aValue, nsStyleCoord& aCoord,
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PRInt32 aMask, nsStyleFont* aFont,
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nsIPresContext* aPresContext)
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{
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PRBool result = PR_TRUE;
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if (aValue.GetUnit() == eCSSUnit_Null) {
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result = PR_FALSE;
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}
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else if (((aMask & SETCOORD_LENGTH) != 0) &&
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aValue.IsLengthUnit()) {
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aCoord.SetCoordValue(CalcLength(aValue, aFont, aPresContext));
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}
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else if (((aMask & SETCOORD_PERCENT) != 0) &&
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(aValue.GetUnit() == eCSSUnit_Percent)) {
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aCoord.SetPercentValue(aValue.GetPercentValue());
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}
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else if (((aMask & SETCOORD_INTEGER) != 0) &&
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(aValue.GetUnit() == eCSSUnit_Integer)) {
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aCoord.SetIntValue(aValue.GetIntValue(), eStyleUnit_Integer);
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}
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else if (((aMask & SETCOORD_ENUMERATED) != 0) &&
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(aValue.GetUnit() == eCSSUnit_Enumerated)) {
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aCoord.SetIntValue(aValue.GetIntValue(), eStyleUnit_Enumerated);
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}
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else if (((aMask & SETCOORD_AUTO) != 0) &&
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(aValue.GetUnit() == eCSSUnit_Auto)) {
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aCoord.SetAutoValue();
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}
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else if (((aMask & SETCOORD_INHERIT) != 0) &&
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(aValue.GetUnit() == eCSSUnit_Inherit)) {
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aCoord.SetInheritValue();
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}
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else if (((aMask & SETCOORD_NORMAL) != 0) &&
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(aValue.GetUnit() == eCSSUnit_Normal)) {
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aCoord.SetNormalValue();
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}
|
|
else if (((aMask & SETCOORD_FACTOR) != 0) &&
|
|
(aValue.GetUnit() == eCSSUnit_Number)) {
|
|
aCoord.SetFactorValue(aValue.GetFloatValue());
|
|
}
|
|
else {
|
|
result = PR_FALSE; // didn't set anything
|
|
}
|
|
return result;
|
|
}
|
|
|
|
void CSSStyleRuleImpl::MapStyleInto(nsIStyleContext* aContext, nsIPresContext* aPresContext)
|
|
{
|
|
if (nsnull != mDeclaration) {
|
|
nsStyleFont* font = (nsStyleFont*)aContext->GetData(eStyleStruct_Font);
|
|
|
|
nsCSSFont* ourFont;
|
|
if (NS_OK == mDeclaration->GetData(kCSSFontSID, (nsCSSStruct**)&ourFont)) {
|
|
if (nsnull != ourFont) {
|
|
nsStyleFont* parentFont = font;
|
|
nsIStyleContext* parentContext = aContext->GetParent();
|
|
if (nsnull != parentContext) {
|
|
parentFont = (nsStyleFont*)parentContext->GetData(eStyleStruct_Font);
|
|
}
|
|
|
|
// font-family: string list
|
|
if (ourFont->mFamily.GetUnit() == eCSSUnit_String) {
|
|
nsAutoString familyList;
|
|
ourFont->mFamily.GetStringValue(familyList);
|
|
// XXX meeds font support to determine usable fonts
|
|
// parse up the CSS string & remove the quotes
|
|
// XXX only does first until we can tell what are installed fonts
|
|
nsAutoString family;
|
|
PRInt32 index = familyList.Find(PRUnichar(','));
|
|
if (-1 < index) {
|
|
familyList.Left(family, index);
|
|
}
|
|
else {
|
|
family.Append(familyList);
|
|
}
|
|
family.StripChars("\"");
|
|
family.StripWhitespace();
|
|
|
|
font->mFont.name = family;
|
|
}
|
|
|
|
// font-style: enum
|
|
if (ourFont->mStyle.GetUnit() == eCSSUnit_Enumerated) {
|
|
font->mFont.style = ourFont->mStyle.GetIntValue();
|
|
}
|
|
|
|
// font-variant: enum
|
|
if (ourFont->mVariant.GetUnit() == eCSSUnit_Enumerated) {
|
|
font->mFont.variant = ourFont->mVariant.GetIntValue();
|
|
}
|
|
|
|
// font-weight: abs, enum
|
|
if (ourFont->mWeight.GetUnit() == eCSSUnit_Integer) {
|
|
font->mFont.style = ourFont->mWeight.GetIntValue();
|
|
}
|
|
else if (ourFont->mWeight.GetUnit() == eCSSUnit_Enumerated) {
|
|
PRInt32 value = ourFont->mWeight.GetIntValue();
|
|
switch (value) {
|
|
case NS_STYLE_FONT_WEIGHT_NORMAL:
|
|
case NS_STYLE_FONT_WEIGHT_BOLD:
|
|
font->mFont.weight = value;
|
|
break;
|
|
case NS_STYLE_FONT_WEIGHT_BOLDER:
|
|
case NS_STYLE_FONT_WEIGHT_LIGHTER:
|
|
font->mFont.weight = (parentFont->mFont.weight + value);
|
|
break;
|
|
}
|
|
}
|
|
|
|
// font-size: enum, length, percent
|
|
if (ourFont->mSize.GetUnit() == eCSSUnit_Enumerated) {
|
|
static float kFontScale[7] = {
|
|
0.5f, // xx-small
|
|
0.666667f, // x-small
|
|
0.833333f, // small
|
|
1.0f, // medium
|
|
1.5f, // large
|
|
1.5f * 1.5f, // x-large
|
|
1.5f * 1.5f * 1.5f, // xx-large
|
|
};
|
|
PRInt32 value = ourFont->mSize.GetIntValue();
|
|
|
|
const nsFont& normal = aPresContext->GetDefaultFont(); // use normal font or body font??
|
|
if ((NS_STYLE_FONT_SIZE_XXSMALL <= value) &&
|
|
(value <= NS_STYLE_FONT_SIZE_XXLARGE)) {
|
|
font->mFont.size = (nscoord)((float)normal.size * kFontScale[value]);
|
|
}
|
|
else if (NS_STYLE_FONT_SIZE_LARGER == value) {
|
|
PRInt32 index;
|
|
for (index = NS_STYLE_FONT_SIZE_XXSMALL;
|
|
index < NS_STYLE_FONT_SIZE_XXLARGE; index++)
|
|
if (parentFont->mFont.size < (nscoord)((float)normal.size * kFontScale[index]))
|
|
break;
|
|
font->mFont.size = (nscoord)((float)normal.size * kFontScale[index]);
|
|
}
|
|
else if (NS_STYLE_FONT_SIZE_SMALLER == value) {
|
|
PRInt32 index;
|
|
for (index = NS_STYLE_FONT_SIZE_XXLARGE;
|
|
index > NS_STYLE_FONT_SIZE_XXSMALL; index--)
|
|
if (parentFont->mFont.size > (nscoord)((float)normal.size * kFontScale[index]))
|
|
break;
|
|
font->mFont.size = (nscoord)((float)normal.size * kFontScale[index]);
|
|
}
|
|
}
|
|
else if (ourFont->mSize.IsLengthUnit()) {
|
|
font->mFont.size = CalcLength(ourFont->mSize, parentFont, aPresContext);
|
|
}
|
|
else if (ourFont->mSize.GetUnit() == eCSSUnit_Percent) {
|
|
font->mFont.size = (nscoord)((float)(parentFont->mFont.size) * ourFont->mSize.GetPercentValue());
|
|
}
|
|
|
|
NS_IF_RELEASE(parentContext);
|
|
}
|
|
}
|
|
|
|
nsCSSText* ourText;
|
|
if (NS_OK == mDeclaration->GetData(kCSSTextSID, (nsCSSStruct**)&ourText)) {
|
|
if (nsnull != ourText) {
|
|
// Get our text style and our parent's text style
|
|
nsStyleText* text = (nsStyleText*) aContext->GetData(eStyleStruct_Text);
|
|
|
|
// letter-spacing
|
|
SetCoord(ourText->mLetterSpacing, text->mLetterSpacing, SETCOORD_LH | SETCOORD_NORMAL,
|
|
font, aPresContext);
|
|
|
|
// line-height
|
|
SetCoord(ourText->mLineHeight, text->mLineHeight, SETCOORD_LPFHN, font, aPresContext);
|
|
|
|
// text-align
|
|
if (ourText->mTextAlign.GetUnit() == eCSSUnit_Enumerated) {
|
|
text->mTextAlign = ourText->mTextAlign.GetIntValue();
|
|
}
|
|
|
|
// text-indent
|
|
SetCoord(ourText->mTextIndent, text->mTextIndent, SETCOORD_LPH, font, aPresContext);
|
|
|
|
// text-decoration: enum, int (bit field)
|
|
if ((ourText->mDecoration.GetUnit() == eCSSUnit_Enumerated) ||
|
|
(ourText->mDecoration.GetUnit() == eCSSUnit_Integer)) {
|
|
PRInt32 td = ourText->mDecoration.GetIntValue();
|
|
font->mFont.decorations = td;
|
|
text->mTextDecoration = td;
|
|
}
|
|
|
|
// text-transform
|
|
if (ourText->mTextTransform.GetUnit() == eCSSUnit_Enumerated) {
|
|
text->mTextTransform = ourText->mTextTransform.GetIntValue();
|
|
}
|
|
|
|
// vertical-align
|
|
SetCoord(ourText->mVerticalAlign, text->mVerticalAlign, SETCOORD_LPEH,
|
|
font, aPresContext);
|
|
|
|
// white-space
|
|
if (ourText->mWhiteSpace.GetUnit() == eCSSUnit_Enumerated) {
|
|
text->mWhiteSpace = ourText->mWhiteSpace.GetIntValue();
|
|
}
|
|
|
|
// word-spacing
|
|
SetCoord(ourText->mWordSpacing, text->mWordSpacing, SETCOORD_LH | SETCOORD_NORMAL,
|
|
font, aPresContext);
|
|
}
|
|
}
|
|
|
|
nsCSSDisplay* ourDisplay;
|
|
if (NS_OK == mDeclaration->GetData(kCSSDisplaySID, (nsCSSStruct**)&ourDisplay)) {
|
|
if (nsnull != ourDisplay) {
|
|
// Get our style and our parent's style
|
|
nsStyleDisplay* display = (nsStyleDisplay*)
|
|
aContext->GetData(eStyleStruct_Display);
|
|
|
|
nsStyleDisplay* parentDisplay = display;
|
|
nsIStyleContext* parentContext = aContext->GetParent();
|
|
if (nsnull != parentContext) {
|
|
parentDisplay = (nsStyleDisplay*)parentContext->GetData(eStyleStruct_Display);
|
|
}
|
|
|
|
// display
|
|
if (ourDisplay->mDisplay.GetUnit() == eCSSUnit_Enumerated) {
|
|
display->mDisplay = ourDisplay->mDisplay.GetIntValue();
|
|
}
|
|
|
|
// direction: enum
|
|
if (ourDisplay->mDirection.GetUnit() == eCSSUnit_Enumerated) {
|
|
display->mDirection = ourDisplay->mDirection.GetIntValue();
|
|
}
|
|
|
|
// clear: enum
|
|
if (ourDisplay->mClear.GetUnit() == eCSSUnit_Enumerated) {
|
|
display->mBreakType = ourDisplay->mClear.GetIntValue();
|
|
}
|
|
|
|
// float: enum
|
|
if (ourDisplay->mFloat.GetUnit() == eCSSUnit_Enumerated) {
|
|
display->mFloats = ourDisplay->mFloat.GetIntValue();
|
|
}
|
|
|
|
// visibility: enum, inherit
|
|
if (ourDisplay->mVisibility.GetUnit() == eCSSUnit_Enumerated) {
|
|
display->mVisible = PRBool (NS_STYLE_VISIBILITY_VISIBLE == ourDisplay->mVisibility.GetIntValue());
|
|
}
|
|
else if (ourDisplay->mVisibility.GetUnit() == eCSSUnit_Inherit) {
|
|
display->mVisible = parentDisplay->mVisible;
|
|
}
|
|
|
|
// overflow
|
|
if (ourDisplay->mOverflow.GetUnit() == eCSSUnit_Enumerated) {
|
|
display->mOverflow = ourDisplay->mOverflow.GetIntValue();
|
|
}
|
|
|
|
// clip property: length, auto, inherit
|
|
if (nsnull != ourDisplay->mClip) {
|
|
if (ourDisplay->mClip->mTop.GetUnit() == eCSSUnit_Inherit) { // if one is inherit, they all are
|
|
display->mClipFlags = NS_STYLE_CLIP_INHERIT;
|
|
}
|
|
else {
|
|
PRBool fullAuto = PR_TRUE;
|
|
|
|
display->mClipFlags = 0; // clear it
|
|
|
|
if (ourDisplay->mClip->mTop.GetUnit() == eCSSUnit_Auto) {
|
|
display->mClip.top = 0;
|
|
display->mClipFlags |= NS_STYLE_CLIP_TOP_AUTO;
|
|
} else if (ourDisplay->mClip->mTop.IsLengthUnit()) {
|
|
display->mClip.top = CalcLength(ourDisplay->mClip->mTop, font, aPresContext);
|
|
fullAuto = PR_FALSE;
|
|
}
|
|
if (ourDisplay->mClip->mRight.GetUnit() == eCSSUnit_Auto) {
|
|
display->mClip.right = 0;
|
|
display->mClipFlags |= NS_STYLE_CLIP_RIGHT_AUTO;
|
|
} else if (ourDisplay->mClip->mRight.IsLengthUnit()) {
|
|
display->mClip.right = CalcLength(ourDisplay->mClip->mRight, font, aPresContext);
|
|
fullAuto = PR_FALSE;
|
|
}
|
|
if (ourDisplay->mClip->mBottom.GetUnit() == eCSSUnit_Auto) {
|
|
display->mClip.bottom = 0;
|
|
display->mClipFlags |= NS_STYLE_CLIP_BOTTOM_AUTO;
|
|
} else if (ourDisplay->mClip->mBottom.IsLengthUnit()) {
|
|
display->mClip.bottom = CalcLength(ourDisplay->mClip->mBottom, font, aPresContext);
|
|
fullAuto = PR_FALSE;
|
|
}
|
|
if (ourDisplay->mClip->mLeft.GetUnit() == eCSSUnit_Auto) {
|
|
display->mClip.left = 0;
|
|
display->mClipFlags |= NS_STYLE_CLIP_LEFT_AUTO;
|
|
} else if (ourDisplay->mClip->mLeft.IsLengthUnit()) {
|
|
display->mClip.left = CalcLength(ourDisplay->mClip->mLeft, font, aPresContext);
|
|
fullAuto = PR_FALSE;
|
|
}
|
|
display->mClipFlags &= ~NS_STYLE_CLIP_TYPE_MASK;
|
|
if (fullAuto) {
|
|
display->mClipFlags |= NS_STYLE_CLIP_AUTO;
|
|
}
|
|
else {
|
|
display->mClipFlags |= NS_STYLE_CLIP_RECT;
|
|
}
|
|
}
|
|
}
|
|
|
|
NS_IF_RELEASE(parentContext);
|
|
}
|
|
}
|
|
|
|
|
|
nsCSSColor* ourColor;
|
|
if (NS_OK == mDeclaration->GetData(kCSSColorSID, (nsCSSStruct**)&ourColor)) {
|
|
if (nsnull != ourColor) {
|
|
nsStyleColor* color = (nsStyleColor*)aContext->GetData(eStyleStruct_Color);
|
|
|
|
// color: color
|
|
if (ourColor->mColor.GetUnit() == eCSSUnit_Color) {
|
|
color->mColor = ourColor->mColor.GetColorValue();
|
|
}
|
|
|
|
// cursor: enum, auto, inherit
|
|
if (ourColor->mCursor.GetUnit() == eCSSUnit_Enumerated) {
|
|
color->mCursor = ourColor->mCursor.GetIntValue();
|
|
}
|
|
else if (ourColor->mCursor.GetUnit() == eCSSUnit_Auto) {
|
|
color->mCursor = NS_STYLE_CURSOR_AUTO;
|
|
}
|
|
else if (ourColor->mCursor.GetUnit() == eCSSUnit_Inherit) {
|
|
color->mCursor = NS_STYLE_CURSOR_INHERIT;
|
|
}
|
|
|
|
// cursor-image: string
|
|
if (ourColor->mCursorImage.GetUnit() == eCSSUnit_String) {
|
|
ourColor->mCursorImage.GetStringValue(color->mCursorImage);
|
|
}
|
|
|
|
// background-color: color, enum (flags)
|
|
if (ourColor->mBackColor.GetUnit() == eCSSUnit_Color) {
|
|
color->mBackgroundColor = ourColor->mBackColor.GetColorValue();
|
|
color->mBackgroundFlags &= ~NS_STYLE_BG_COLOR_TRANSPARENT;
|
|
}
|
|
else if (ourColor->mBackColor.GetUnit() == eCSSUnit_Enumerated) {
|
|
color->mBackgroundFlags |= NS_STYLE_BG_COLOR_TRANSPARENT;
|
|
}
|
|
|
|
// background-image: string (url), none
|
|
if (ourColor->mBackImage.GetUnit() == eCSSUnit_String) {
|
|
ourColor->mBackImage.GetStringValue(color->mBackgroundImage);
|
|
color->mBackgroundFlags &= ~NS_STYLE_BG_IMAGE_NONE;
|
|
}
|
|
else if (ourColor->mBackImage.GetUnit() == eCSSUnit_None) {
|
|
color->mBackgroundImage.Truncate();
|
|
color->mBackgroundFlags |= NS_STYLE_BG_IMAGE_NONE;
|
|
}
|
|
|
|
// background-repeat: enum
|
|
if (ourColor->mBackRepeat.GetUnit() == eCSSUnit_Enumerated) {
|
|
color->mBackgroundRepeat = ourColor->mBackRepeat.GetIntValue();
|
|
}
|
|
|
|
// background-attachment: enum
|
|
if (ourColor->mBackAttachment.GetUnit() == eCSSUnit_Enumerated) {
|
|
color->mBackgroundAttachment = ourColor->mBackAttachment.GetIntValue();
|
|
}
|
|
|
|
// background-position: length, percent (flags)
|
|
if (ourColor->mBackPositionX.GetUnit() == eCSSUnit_Percent) {
|
|
color->mBackgroundXPosition = (nscoord)(100.0f * ourColor->mBackPositionX.GetPercentValue());
|
|
color->mBackgroundFlags |= NS_STYLE_BG_X_POSITION_PERCENT;
|
|
color->mBackgroundFlags &= ~NS_STYLE_BG_X_POSITION_LENGTH;
|
|
}
|
|
else if (ourColor->mBackPositionX.IsLengthUnit()) {
|
|
color->mBackgroundXPosition = CalcLength(ourColor->mBackPositionX,
|
|
font, aPresContext);
|
|
color->mBackgroundFlags |= NS_STYLE_BG_X_POSITION_LENGTH;
|
|
color->mBackgroundFlags &= ~NS_STYLE_BG_X_POSITION_PERCENT;
|
|
}
|
|
if (ourColor->mBackPositionY.GetUnit() == eCSSUnit_Percent) {
|
|
color->mBackgroundYPosition = (nscoord)(100.0f * ourColor->mBackPositionY.GetPercentValue());
|
|
color->mBackgroundFlags |= NS_STYLE_BG_Y_POSITION_PERCENT;
|
|
color->mBackgroundFlags &= ~NS_STYLE_BG_Y_POSITION_LENGTH;
|
|
}
|
|
else if (ourColor->mBackPositionY.IsLengthUnit()) {
|
|
color->mBackgroundYPosition = CalcLength(ourColor->mBackPositionY,
|
|
font, aPresContext);
|
|
color->mBackgroundFlags |= NS_STYLE_BG_Y_POSITION_LENGTH;
|
|
color->mBackgroundFlags &= ~NS_STYLE_BG_Y_POSITION_PERCENT;
|
|
}
|
|
|
|
// opacity: factor, percent, enum
|
|
if (ourColor->mOpacity.GetUnit() == eCSSUnit_Percent) {
|
|
color->mOpacity = ourColor->mOpacity.GetPercentValue();
|
|
}
|
|
else if (ourColor->mOpacity.GetUnit() == eCSSUnit_Number) {
|
|
color->mOpacity = ourColor->mOpacity.GetFloatValue();
|
|
}
|
|
else if (ourColor->mOpacity.GetUnit() == eCSSUnit_Enumerated) {
|
|
// Only enum value is inherit
|
|
nsStyleColor* parentColor = color;
|
|
nsIStyleContext* parentContext = aContext->GetParent();
|
|
if (nsnull != parentContext) {
|
|
parentColor = (nsStyleColor*)parentContext->GetData(eStyleStruct_Color);
|
|
color->mOpacity = parentColor->mOpacity;
|
|
NS_RELEASE(parentContext);
|
|
}
|
|
|
|
}
|
|
|
|
// XXX: NYI nsCSSValue mBackFilter;
|
|
}
|
|
}
|
|
|
|
nsCSSMargin* ourMargin;
|
|
if (NS_OK == mDeclaration->GetData(kCSSMarginSID, (nsCSSStruct**)&ourMargin)) {
|
|
if (nsnull != ourMargin) {
|
|
nsStyleSpacing* spacing = (nsStyleSpacing*)
|
|
aContext->GetData(eStyleStruct_Spacing);
|
|
|
|
// margin: length, percent, auto, inherit
|
|
if (nsnull != ourMargin->mMargin) {
|
|
nsStyleCoord coord;
|
|
if (SetCoord(ourMargin->mMargin->mLeft, coord, SETCOORD_LPAH, font, aPresContext)) {
|
|
spacing->mMargin.SetLeft(coord);
|
|
}
|
|
if (SetCoord(ourMargin->mMargin->mTop, coord, SETCOORD_LPAH, font, aPresContext)) {
|
|
spacing->mMargin.SetTop(coord);
|
|
}
|
|
if (SetCoord(ourMargin->mMargin->mRight, coord, SETCOORD_LPAH, font, aPresContext)) {
|
|
spacing->mMargin.SetRight(coord);
|
|
}
|
|
if (SetCoord(ourMargin->mMargin->mBottom, coord, SETCOORD_LPAH, font, aPresContext)) {
|
|
spacing->mMargin.SetBottom(coord);
|
|
}
|
|
}
|
|
|
|
// padding: length, percent, inherit
|
|
if (nsnull != ourMargin->mPadding) {
|
|
nsStyleCoord coord;
|
|
if (SetCoord(ourMargin->mPadding->mLeft, coord, SETCOORD_LPH, font, aPresContext)) {
|
|
spacing->mPadding.SetLeft(coord);
|
|
}
|
|
if (SetCoord(ourMargin->mPadding->mTop, coord, SETCOORD_LPH, font, aPresContext)) {
|
|
spacing->mPadding.SetTop(coord);
|
|
}
|
|
if (SetCoord(ourMargin->mPadding->mRight, coord, SETCOORD_LPH, font, aPresContext)) {
|
|
spacing->mPadding.SetRight(coord);
|
|
}
|
|
if (SetCoord(ourMargin->mPadding->mBottom, coord, SETCOORD_LPH, font, aPresContext)) {
|
|
spacing->mPadding.SetBottom(coord);
|
|
}
|
|
}
|
|
|
|
// border-size: length, enum (percent), inherit
|
|
if (nsnull != ourMargin->mBorder) {
|
|
nsStyleCoord coord;
|
|
if (SetCoord(ourMargin->mBorder->mLeft, coord, SETCOORD_LPEH, font, aPresContext)) {
|
|
spacing->mBorder.SetLeft(coord);
|
|
}
|
|
if (SetCoord(ourMargin->mBorder->mTop, coord, SETCOORD_LPEH, font, aPresContext)) {
|
|
spacing->mBorder.SetTop(coord);
|
|
}
|
|
if (SetCoord(ourMargin->mBorder->mRight, coord, SETCOORD_LPEH, font, aPresContext)) {
|
|
spacing->mBorder.SetRight(coord);
|
|
}
|
|
if (SetCoord(ourMargin->mBorder->mBottom, coord, SETCOORD_LPEH, font, aPresContext)) {
|
|
spacing->mBorder.SetBottom(coord);
|
|
}
|
|
}
|
|
|
|
// border-style
|
|
if (nsnull != ourMargin->mStyle) {
|
|
nsCSSRect* ourStyle = ourMargin->mStyle;
|
|
if (ourStyle->mTop.GetUnit() == eCSSUnit_Enumerated) {
|
|
spacing->mBorderStyle[NS_SIDE_TOP] = ourStyle->mTop.GetIntValue();
|
|
}
|
|
if (ourStyle->mRight.GetUnit() == eCSSUnit_Enumerated) {
|
|
spacing->mBorderStyle[NS_SIDE_RIGHT] = ourStyle->mRight.GetIntValue();
|
|
}
|
|
if (ourStyle->mBottom.GetUnit() == eCSSUnit_Enumerated) {
|
|
spacing->mBorderStyle[NS_SIDE_BOTTOM] = ourStyle->mBottom.GetIntValue();
|
|
}
|
|
if (ourStyle->mLeft.GetUnit() == eCSSUnit_Enumerated) {
|
|
spacing->mBorderStyle[NS_SIDE_LEFT] = ourStyle->mLeft.GetIntValue();
|
|
}
|
|
}
|
|
|
|
// border-color
|
|
nsStyleColor* color = (nsStyleColor*)aContext->GetData(eStyleStruct_Color);
|
|
if (nsnull != ourMargin->mColor) {
|
|
nsCSSRect* ourColor = ourMargin->mColor;
|
|
if (ourColor->mTop.GetUnit() == eCSSUnit_Color) {
|
|
spacing->mBorderColor[NS_SIDE_TOP] = ourColor->mTop.GetColorValue();
|
|
}
|
|
if (ourColor->mRight.GetUnit() == eCSSUnit_Color) {
|
|
spacing->mBorderColor[NS_SIDE_RIGHT] = ourColor->mRight.GetColorValue();
|
|
}
|
|
if (ourColor->mBottom.GetUnit() == eCSSUnit_Color) {
|
|
spacing->mBorderColor[NS_SIDE_BOTTOM] = ourColor->mBottom.GetColorValue();
|
|
}
|
|
if (ourColor->mLeft.GetUnit() == eCSSUnit_Color) {
|
|
spacing->mBorderColor[NS_SIDE_LEFT] = ourColor->mLeft.GetColorValue();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
nsCSSPosition* ourPosition;
|
|
if (NS_OK == mDeclaration->GetData(kCSSPositionSID, (nsCSSStruct**)&ourPosition)) {
|
|
if (nsnull != ourPosition) {
|
|
nsStylePosition* position = (nsStylePosition*)aContext->GetData(eStyleStruct_Position);
|
|
|
|
// position: normal, enum, inherit
|
|
if (ourPosition->mPosition.GetUnit() == eCSSUnit_Normal) {
|
|
position->mPosition = NS_STYLE_POSITION_NORMAL;
|
|
}
|
|
else if (ourPosition->mPosition.GetUnit() == eCSSUnit_Enumerated) {
|
|
position->mPosition = ourPosition->mPosition.GetIntValue();
|
|
}
|
|
else if (ourPosition->mPosition.GetUnit() == eCSSUnit_Inherit) {
|
|
// explicit inheritance
|
|
nsIStyleContext* parentContext = aContext->GetParent();
|
|
if (nsnull != parentContext) {
|
|
nsStylePosition* parentPosition = (nsStylePosition*)parentContext->GetData(eStyleStruct_Position);
|
|
position->mPosition = parentPosition->mPosition;
|
|
}
|
|
}
|
|
|
|
// box offsets: length, percent, auto, inherit
|
|
SetCoord(ourPosition->mLeft, position->mLeftOffset, SETCOORD_LPAH, font, aPresContext);
|
|
SetCoord(ourPosition->mTop, position->mTopOffset, SETCOORD_LPAH, font, aPresContext);
|
|
SetCoord(ourPosition->mWidth, position->mWidth, SETCOORD_LPAH, font, aPresContext);
|
|
SetCoord(ourPosition->mHeight, position->mHeight, SETCOORD_LPAH, font, aPresContext);
|
|
|
|
// z-index
|
|
SetCoord(ourPosition->mZIndex, position->mZIndex, SETCOORD_IAH, nsnull, nsnull);
|
|
}
|
|
}
|
|
|
|
nsCSSList* ourList;
|
|
if (NS_OK == mDeclaration->GetData(kCSSListSID, (nsCSSStruct**)&ourList)) {
|
|
if (nsnull != ourList) {
|
|
nsStyleList* list = (nsStyleList*)aContext->GetData(eStyleStruct_List);
|
|
|
|
// list-style-type: enum
|
|
if (ourList->mType.GetUnit() == eCSSUnit_Enumerated) {
|
|
list->mListStyleType = ourList->mType.GetIntValue();
|
|
}
|
|
|
|
if (ourList->mImage.GetUnit() == eCSSUnit_String) {
|
|
// list-style-image: string
|
|
ourList->mImage.GetStringValue(list->mListStyleImage);
|
|
}
|
|
else if (ourList->mImage.GetUnit() == eCSSUnit_Enumerated) {
|
|
// list-style-image: none
|
|
list->mListStyleImage = "";
|
|
}
|
|
|
|
// list-style-position: enum
|
|
if (ourList->mPosition.GetUnit() == eCSSUnit_Enumerated) {
|
|
list->mListStylePosition = ourList->mPosition.GetIntValue();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
static void ListSelector(FILE* out, const nsCSSSelector* aSelector)
|
|
{
|
|
nsAutoString buffer;
|
|
|
|
if (nsnull != aSelector->mTag) {
|
|
aSelector->mTag->ToString(buffer);
|
|
fputs(buffer, out);
|
|
}
|
|
if (nsnull != aSelector->mID) {
|
|
aSelector->mID->ToString(buffer);
|
|
fputs("#", out);
|
|
fputs(buffer, out);
|
|
}
|
|
if (nsnull != aSelector->mClass) {
|
|
aSelector->mClass->ToString(buffer);
|
|
fputs(".", out);
|
|
fputs(buffer, out);
|
|
}
|
|
if (nsnull != aSelector->mPseudoClass) {
|
|
aSelector->mPseudoClass->ToString(buffer);
|
|
fputs(":", out);
|
|
fputs(buffer, out);
|
|
}
|
|
}
|
|
|
|
void CSSStyleRuleImpl::List(FILE* out, PRInt32 aIndent) const
|
|
{
|
|
// Indent
|
|
for (PRInt32 index = aIndent; --index >= 0; ) fputs(" ", out);
|
|
|
|
const nsCSSSelector* selector = &mSelector;
|
|
|
|
while (nsnull != selector) {
|
|
ListSelector(out, selector);
|
|
fputs(" ", out);
|
|
selector = selector->mNext;
|
|
}
|
|
|
|
nsAutoString buffer;
|
|
|
|
buffer.Append("weight: ");
|
|
buffer.Append(mWeight, 10);
|
|
buffer.Append(" ");
|
|
fputs(buffer, out);
|
|
if (nsnull != mDeclaration) {
|
|
mDeclaration->List(out);
|
|
}
|
|
else {
|
|
fputs("{ null declaration }", out);
|
|
}
|
|
fputs("\n", out);
|
|
}
|
|
|
|
NS_HTML nsresult
|
|
NS_NewCSSStyleRule(nsICSSStyleRule** aInstancePtrResult, const nsCSSSelector& aSelector)
|
|
{
|
|
if (aInstancePtrResult == nsnull) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
CSSStyleRuleImpl *it = new CSSStyleRuleImpl(aSelector);
|
|
|
|
if (nsnull == it) {
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
|
|
return it->QueryInterface(kICSSStyleRuleIID, (void **) aInstancePtrResult);
|
|
}
|