/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- * * The contents of this file are subject to the Netscape Public License * Version 1.0 (the "NPL"); you may not use this file except in * compliance with the NPL. You may obtain a copy of the NPL at * http://www.mozilla.org/NPL/ * * Software distributed under the NPL is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL * for the specific language governing rights and limitations under the * NPL. * * The Initial Developer of this code under the NPL is Netscape * Communications Corporation. Portions created by Netscape are * Copyright (C) 1998 Netscape Communications Corporation. All Rights * Reserved. */ #include "nsICSSStyleRule.h" #include "nsICSSDeclaration.h" #include "nsICSSStyleSheet.h" #include "nsIStyleContext.h" #include "nsIPresContext.h" #include "nsIDocument.h" #include "nsIDeviceContext.h" #include "nsIArena.h" #include "nsIAtom.h" #include "nsCRT.h" #include "nsString.h" #include "nsStyleConsts.h" #include "nsHTMLAtoms.h" #include "nsUnitConversion.h" #include "nsStyleUtil.h" #include "nsIFontMetrics.h" #include "nsIDOMCSSStyleSheet.h" #include "nsIDOMCSSRule.h" #include "nsIDOMCSSStyleRule.h" #include "nsIDOMCSSStyleDeclaration.h" #include "nsIScriptGlobalObject.h" #include "nsIScriptObjectOwner.h" #include "nsDOMCSSDeclaration.h" //#define DEBUG_REFS static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID); static NS_DEFINE_IID(kIStyleRuleIID, NS_ISTYLE_RULE_IID); static NS_DEFINE_IID(kICSSDeclarationIID, NS_ICSS_DECLARATION_IID); static NS_DEFINE_IID(kICSSStyleRuleIID, NS_ICSS_STYLE_RULE_IID); static NS_DEFINE_IID(kIDOMCSSStyleSheetIID, NS_IDOMCSSSTYLESHEET_IID); static NS_DEFINE_IID(kIDOMCSSRuleIID, NS_IDOMCSSRULE_IID); static NS_DEFINE_IID(kIDOMCSSStyleRuleIID, NS_IDOMCSSSTYLERULE_IID); static NS_DEFINE_IID(kIDOMCSSStyleDeclarationIID, NS_IDOMCSSSTYLEDECLARATION_IID); static NS_DEFINE_IID(kIScriptObjectOwnerIID, NS_ISCRIPTOBJECTOWNER_IID); static NS_DEFINE_IID(kCSSFontSID, NS_CSS_FONT_SID); static NS_DEFINE_IID(kCSSColorSID, NS_CSS_COLOR_SID); static NS_DEFINE_IID(kCSSTextSID, NS_CSS_TEXT_SID); static NS_DEFINE_IID(kCSSMarginSID, NS_CSS_MARGIN_SID); static NS_DEFINE_IID(kCSSPositionSID, NS_CSS_POSITION_SID); static NS_DEFINE_IID(kCSSListSID, NS_CSS_LIST_SID); static NS_DEFINE_IID(kCSSDisplaySID, NS_CSS_DISPLAY_SID); static NS_DEFINE_IID(kCSSTableSID, NS_CSS_TABLE_SID); // -- nsCSSSelector ------------------------------- nsCSSSelector::nsCSSSelector() : mTag(nsnull), mID(nsnull), mClass(nsnull), mPseudoClass(nsnull), mNext(nsnull) { } nsCSSSelector::nsCSSSelector(nsIAtom* aTag, nsIAtom* aID, nsIAtom* aClass, nsIAtom* aPseudoClass) : mTag(aTag), mID(aID), mClass(aClass), mPseudoClass(aPseudoClass), mNext(nsnull) { NS_IF_ADDREF(mTag); NS_IF_ADDREF(mID); NS_IF_ADDREF(mClass); NS_IF_ADDREF(mPseudoClass); } nsCSSSelector::nsCSSSelector(const nsCSSSelector& aCopy) : mTag(aCopy.mTag), mID(aCopy.mID), mClass(aCopy.mClass), mPseudoClass(aCopy.mPseudoClass), mNext(nsnull) { // implmented to support extension to CSS2 (when we have to copy the array) NS_IF_ADDREF(mTag); NS_IF_ADDREF(mID); NS_IF_ADDREF(mClass); NS_IF_ADDREF(mPseudoClass); } nsCSSSelector::~nsCSSSelector() { NS_IF_RELEASE(mTag); NS_IF_RELEASE(mID); NS_IF_RELEASE(mClass); NS_IF_RELEASE(mPseudoClass); } nsCSSSelector& nsCSSSelector::operator=(const nsCSSSelector& aCopy) { NS_IF_RELEASE(mTag); NS_IF_RELEASE(mID); NS_IF_RELEASE(mClass); NS_IF_RELEASE(mPseudoClass); mTag = aCopy.mTag; mID = aCopy.mID; mClass = aCopy.mClass; mPseudoClass = aCopy.mPseudoClass; NS_IF_ADDREF(mTag); NS_IF_ADDREF(mID); NS_IF_ADDREF(mClass); NS_IF_ADDREF(mPseudoClass); return *this; } PRBool nsCSSSelector::Equals(const nsCSSSelector* aOther) const { if (nsnull != aOther) { return (PRBool)((aOther->mTag == mTag) && (aOther->mID == mID) && (aOther->mClass == mClass) && (aOther->mPseudoClass == mPseudoClass)); } return PR_FALSE; } void nsCSSSelector::Set(const nsString& aTag, const nsString& aID, const nsString& aClass, const nsString& aPseudoClass) { nsAutoString buffer; NS_IF_RELEASE(mTag); NS_IF_RELEASE(mID); NS_IF_RELEASE(mClass); NS_IF_RELEASE(mPseudoClass); if (0 < aTag.Length()) { aTag.ToUpperCase(buffer); // XXX is this correct? what about class? mTag = NS_NewAtom(buffer); } if (0 < aID.Length()) { mID = NS_NewAtom(aID); } if (0 < aClass.Length()) { mClass = NS_NewAtom(aClass); } if (0 < aPseudoClass.Length()) { aPseudoClass.ToUpperCase(buffer); mPseudoClass = NS_NewAtom(buffer); if (nsnull == mTag) { mTag = nsHTMLAtoms::a; NS_ADDREF(mTag); } } } // -- CSSImportantRule ------------------------------- static nscoord CalcLength(const nsCSSValue& aValue, const nsStyleFont* aFont, nsIPresContext* aPresContext); static PRBool SetCoord(const nsCSSValue& aValue, nsStyleCoord& aCoord, PRInt32 aMask, const nsStyleFont* aFont, nsIPresContext* aPresContext); static void MapDeclarationInto(nsICSSDeclaration* aDeclaration, nsIStyleContext* aContext, nsIPresContext* aPresContext); class CSSStyleRuleImpl; class CSSImportantRule : public nsIStyleRule { public: CSSImportantRule(nsICSSStyleSheet* aSheet, nsICSSDeclaration* aDeclaration); NS_DECL_ISUPPORTS NS_IMETHOD Equals(const nsIStyleRule* aRule, PRBool& aResult) const; NS_IMETHOD HashValue(PRUint32& aValue) const; NS_IMETHOD GetStyleSheet(nsIStyleSheet*& aSheet) const; // Strength is an out-of-band weighting, useful for mapping CSS ! important NS_IMETHOD GetStrength(PRInt32& aStrength); NS_IMETHOD MapStyleInto(nsIStyleContext* aContext, nsIPresContext* aPresContext); NS_IMETHOD List(FILE* out = stdout, PRInt32 aIndent = 0) const; protected: ~CSSImportantRule(void); nsICSSDeclaration* mDeclaration; nsICSSStyleSheet* mSheet; friend CSSStyleRuleImpl; }; CSSImportantRule::CSSImportantRule(nsICSSStyleSheet* aSheet, nsICSSDeclaration* aDeclaration) : mSheet(aSheet), mDeclaration(aDeclaration) { NS_INIT_REFCNT(); NS_IF_ADDREF(mDeclaration); } CSSImportantRule::~CSSImportantRule(void) { NS_IF_RELEASE(mDeclaration); } NS_IMPL_ISUPPORTS(CSSImportantRule, kIStyleRuleIID); NS_IMETHODIMP CSSImportantRule::Equals(const nsIStyleRule* aRule, PRBool& aResult) const { aResult = PRBool(aRule == this); return NS_OK; } NS_IMETHODIMP CSSImportantRule::HashValue(PRUint32& aValue) const { aValue = PRUint32(mDeclaration); return NS_OK; } NS_IMETHODIMP CSSImportantRule::GetStyleSheet(nsIStyleSheet*& aSheet) const { NS_IF_ADDREF(mSheet); aSheet = mSheet; return NS_OK; } // Strength is an out-of-band weighting, useful for mapping CSS ! important NS_IMETHODIMP CSSImportantRule::GetStrength(PRInt32& aStrength) { aStrength = 1; return NS_OK; } NS_IMETHODIMP CSSImportantRule::MapStyleInto(nsIStyleContext* aContext, nsIPresContext* aPresContext) { MapDeclarationInto(mDeclaration, aContext, aPresContext); return NS_OK; } NS_IMETHODIMP CSSImportantRule::List(FILE* out, PRInt32 aIndent) const { // Indent for (PRInt32 index = aIndent; --index >= 0; ) fputs(" ", out); fputs("! Important rule ", out); if (nsnull != mDeclaration) { mDeclaration->List(out); } else { fputs("{ null declaration }", out); } fputs("\n", out); return NS_OK; } // -- nsDOMStyleRuleDeclaration ------------------------------- class DOMCSSDeclarationImpl : public nsDOMCSSDeclaration { public: DOMCSSDeclarationImpl(nsICSSStyleRule *aRule); ~DOMCSSDeclarationImpl(); virtual void DropReference(); virtual nsresult GetCSSDeclaration(nsICSSDeclaration **aDecl, PRBool aAllocate); virtual nsresult StylePropertyChanged(const nsString& aPropertyName, PRInt32 aHint); virtual nsresult GetParent(nsISupports **aParent); protected: nsICSSStyleRule *mRule; }; DOMCSSDeclarationImpl::DOMCSSDeclarationImpl(nsICSSStyleRule *aRule) { // This reference is not reference-counted. The rule // object tells us when its about to go away. mRule = aRule; } DOMCSSDeclarationImpl::~DOMCSSDeclarationImpl() { } void DOMCSSDeclarationImpl::DropReference() { mRule = nsnull; } nsresult DOMCSSDeclarationImpl::GetCSSDeclaration(nsICSSDeclaration **aDecl, PRBool aAllocate) { if (nsnull != mRule) { *aDecl = mRule->GetDeclaration(); } else { *aDecl = nsnull; } return NS_OK; } nsresult DOMCSSDeclarationImpl::StylePropertyChanged(const nsString& aPropertyName, PRInt32 aHint) { nsIStyleSheet* sheet = nsnull; if (nsnull != mRule) { mRule->GetStyleSheet(sheet); if (nsnull != sheet) { nsIDocument* doc = nsnull; sheet->GetOwningDocument(doc); if (nsnull != doc) { doc->StyleRuleChanged(sheet, mRule, aHint); } } } return NS_OK; } nsresult DOMCSSDeclarationImpl::GetParent(nsISupports **aParent) { if (nsnull != mRule) { return mRule->QueryInterface(kISupportsIID, (void **)aParent); } return NS_OK; } // -- nsCSSStyleRule ------------------------------- class CSSStyleRuleImpl : public nsICSSStyleRule, public nsIDOMCSSStyleRule, public nsIScriptObjectOwner { public: void* operator new(size_t size); void* operator new(size_t size, nsIArena* aArena); void operator delete(void* ptr); CSSStyleRuleImpl(const nsCSSSelector& aSelector); NS_IMETHOD QueryInterface(const nsIID& aIID, void** aInstancePtr); NS_IMETHOD_(nsrefcnt) AddRef(); NS_IMETHOD_(nsrefcnt) Release(); NS_IMETHOD Equals(const nsIStyleRule* aRule, PRBool& aResult) const; NS_IMETHOD HashValue(PRUint32& aValue) const; // Strength is an out-of-band weighting, useful for mapping CSS ! important NS_IMETHOD GetStrength(PRInt32& aStrength); virtual nsCSSSelector* FirstSelector(void); virtual void AddSelector(const nsCSSSelector& aSelector); virtual void DeleteSelector(nsCSSSelector* aSelector); virtual nsICSSDeclaration* GetDeclaration(void) const; virtual void SetDeclaration(nsICSSDeclaration* aDeclaration); virtual PRInt32 GetWeight(void) const; virtual void SetWeight(PRInt32 aWeight); virtual nsIStyleRule* GetImportantRule(void); NS_IMETHOD GetStyleSheet(nsIStyleSheet*& aSheet) const; NS_IMETHOD SetStyleSheet(nsICSSStyleSheet* aSheet); NS_IMETHOD MapStyleInto(nsIStyleContext* aContext, nsIPresContext* aPresContext); NS_IMETHOD List(FILE* out = stdout, PRInt32 aIndent = 0) const; // nsIDOMCSSRule interface NS_IMETHOD GetType(PRUint16* aType); NS_IMETHOD GetCssText(nsString& aCssText); NS_IMETHOD SetCssText(const nsString& aCssText); NS_IMETHOD GetSheet(nsIDOMCSSStyleSheet** aSheet); // nsIDOMCSSStyleRule interface NS_IMETHOD GetSelectorText(nsString& aSelectorText); NS_IMETHOD SetSelectorText(const nsString& aSelectorText); NS_IMETHOD GetStyle(nsIDOMCSSStyleDeclaration** aStyle); NS_IMETHOD SetStyle(nsIDOMCSSStyleDeclaration* aStyle); // nsIScriptObjectOwner interface NS_IMETHOD GetScriptObject(nsIScriptContext *aContext, void** aScriptObject); NS_IMETHOD SetScriptObject(void* aScriptObject); private: // These are not supported and are not implemented! CSSStyleRuleImpl(const CSSStyleRuleImpl& aCopy); CSSStyleRuleImpl& operator=(const CSSStyleRuleImpl& aCopy); protected: virtual ~CSSStyleRuleImpl(); protected: PRUint32 mInHeap : 1; PRUint32 mRefCnt : 31; nsCSSSelector mSelector; nsICSSDeclaration* mDeclaration; PRInt32 mWeight; CSSImportantRule* mImportantRule; nsICSSStyleSheet* mSheet; DOMCSSDeclarationImpl* mDOMDeclaration; void* mScriptObject; #ifdef DEBUG_REFS PRInt32 mInstance; #endif }; void* CSSStyleRuleImpl::operator new(size_t size) { CSSStyleRuleImpl* rv = (CSSStyleRuleImpl*) ::operator new(size); #ifdef NS_DEBUG if (nsnull != rv) { nsCRT::memset(rv, 0xEE, size); } #endif rv->mInHeap = 1; return (void*) rv; } void* CSSStyleRuleImpl::operator new(size_t size, nsIArena* aArena) { CSSStyleRuleImpl* rv = (CSSStyleRuleImpl*) aArena->Alloc(PRInt32(size)); #ifdef NS_DEBUG if (nsnull != rv) { nsCRT::memset(rv, 0xEE, size); } #endif rv->mInHeap = 0; return (void*) rv; } void CSSStyleRuleImpl::operator delete(void* ptr) { CSSStyleRuleImpl* rule = (CSSStyleRuleImpl*) ptr; if (nsnull != rule) { if (rule->mInHeap) { ::delete ptr; } } } #ifdef DEBUG_REFS static PRInt32 gInstanceCount; static const PRInt32 kInstrument = 1075; #endif CSSStyleRuleImpl::CSSStyleRuleImpl(const nsCSSSelector& aSelector) : mSelector(aSelector), mDeclaration(nsnull), mWeight(0), mImportantRule(nsnull) { NS_INIT_REFCNT(); mDOMDeclaration = nsnull; mScriptObject = nsnull; #ifdef DEBUG_REFS mInstance = gInstanceCount++; fprintf(stdout, "%d of %d + CSSStyleRule\n", mInstance, gInstanceCount); #endif } CSSStyleRuleImpl::~CSSStyleRuleImpl() { nsCSSSelector* next = mSelector.mNext; while (nsnull != next) { nsCSSSelector* selector = next; next = selector->mNext; delete selector; } NS_IF_RELEASE(mDeclaration); if (nsnull != mImportantRule) { mImportantRule->mSheet = nsnull; NS_RELEASE(mImportantRule); } if (nsnull != mDOMDeclaration) { mDOMDeclaration->DropReference(); } #ifdef DEBUG_REFS --gInstanceCount; fprintf(stdout, "%d of %d - CSSStyleRule\n", mInstance, gInstanceCount); #endif } #ifdef DEBUG_REFS nsrefcnt CSSStyleRuleImpl::AddRef(void) { if (mInstance == kInstrument) { fprintf(stdout, "%d AddRef CSSStyleRule\n", mRefCnt + 1); } return ++mRefCnt; } nsrefcnt CSSStyleRuleImpl::Release(void) { if (mInstance == kInstrument) { fprintf(stdout, "%d Release CSSStyleRule\n", mRefCnt - 1); } if (--mRefCnt == 0) { NS_DELETEXPCOM(this); return 0; } return mRefCnt; } #else NS_IMPL_ADDREF(CSSStyleRuleImpl) NS_IMPL_RELEASE(CSSStyleRuleImpl) #endif nsresult CSSStyleRuleImpl::QueryInterface(const nsIID& aIID, void** aInstancePtrResult) { NS_PRECONDITION(nsnull != aInstancePtrResult, "null pointer"); if (nsnull == aInstancePtrResult) { return NS_ERROR_NULL_POINTER; } if (aIID.Equals(kICSSStyleRuleIID)) { *aInstancePtrResult = (void*) ((nsICSSStyleRule*)this); NS_ADDREF_THIS(); return NS_OK; } if (aIID.Equals(kIStyleRuleIID)) { *aInstancePtrResult = (void*) ((nsIStyleRule*)this); NS_ADDREF_THIS(); return NS_OK; } if (aIID.Equals(kIDOMCSSRuleIID)) { nsIDOMCSSRule *tmp = this; *aInstancePtrResult = (void*) tmp; NS_ADDREF_THIS(); return NS_OK; } if (aIID.Equals(kIDOMCSSStyleRuleIID)) { nsIDOMCSSStyleRule *tmp = this; *aInstancePtrResult = (void*) tmp; NS_ADDREF_THIS(); return NS_OK; } if (aIID.Equals(kIScriptObjectOwnerIID)) { nsIScriptObjectOwner *tmp = this; *aInstancePtrResult = (void*) tmp; NS_ADDREF_THIS(); return NS_OK; } if (aIID.Equals(kISupportsIID)) { nsICSSStyleRule *tmp = this; nsISupports *tmp2 = tmp; *aInstancePtrResult = (void*) tmp2; NS_ADDREF_THIS(); return NS_OK; } return NS_NOINTERFACE; } NS_IMETHODIMP CSSStyleRuleImpl::Equals(const nsIStyleRule* aRule, PRBool& aResult) const { nsICSSStyleRule* iCSSRule; if (this == aRule) { aResult = PR_TRUE; } else { aResult = PR_FALSE; if ((nsnull != aRule) && (NS_OK == ((nsIStyleRule*)aRule)->QueryInterface(kICSSStyleRuleIID, (void**) &iCSSRule))) { CSSStyleRuleImpl* rule = (CSSStyleRuleImpl*)iCSSRule; const nsCSSSelector* local = &mSelector; const nsCSSSelector* other = &(rule->mSelector); aResult = PR_TRUE; if ((rule->mDeclaration != mDeclaration) || (rule->mWeight != mWeight)) { aResult = PR_FALSE; } while ((PR_TRUE == aResult) && (nsnull != local) && (nsnull != other)) { if (! local->Equals(other)) { aResult = PR_FALSE; } local = local->mNext; other = other->mNext; } if ((nsnull != local) || (nsnull != other)) { // more were left aResult = PR_FALSE; } NS_RELEASE(iCSSRule); } } return NS_OK; } NS_IMETHODIMP CSSStyleRuleImpl::HashValue(PRUint32& aValue) const { aValue = (PRUint32)this; return NS_OK; } // Strength is an out-of-band weighting, useful for mapping CSS ! important NS_IMETHODIMP CSSStyleRuleImpl::GetStrength(PRInt32& aStrength) { aStrength = 0; return NS_OK; } nsCSSSelector* CSSStyleRuleImpl::FirstSelector(void) { return &mSelector; } void CSSStyleRuleImpl::AddSelector(const nsCSSSelector& aSelector) { if ((nsnull != aSelector.mTag) || (nsnull != aSelector.mID) || (nsnull != aSelector.mClass) || (nsnull != aSelector.mPseudoClass)) { // skip empty selectors nsCSSSelector* selector = new nsCSSSelector(aSelector); nsCSSSelector* last = &mSelector; while (nsnull != last->mNext) { last = last->mNext; } last->mNext = selector; } } void CSSStyleRuleImpl::DeleteSelector(nsCSSSelector* aSelector) { if (nsnull != aSelector) { if (&mSelector == aSelector) { // handle first selector mSelector = *aSelector; // assign value mSelector.mNext = aSelector->mNext; delete aSelector; } else { nsCSSSelector* selector = &mSelector; while (nsnull != selector->mNext) { if (aSelector == selector->mNext) { selector->mNext = aSelector->mNext; delete aSelector; return; } selector = selector->mNext; } } } } nsICSSDeclaration* CSSStyleRuleImpl::GetDeclaration(void) const { NS_IF_ADDREF(mDeclaration); return mDeclaration; } void CSSStyleRuleImpl::SetDeclaration(nsICSSDeclaration* aDeclaration) { if (mDeclaration != aDeclaration) { NS_IF_RELEASE(mImportantRule); NS_IF_RELEASE(mDeclaration); mDeclaration = aDeclaration; NS_IF_ADDREF(mDeclaration); } } PRInt32 CSSStyleRuleImpl::GetWeight(void) const { return mWeight; } void CSSStyleRuleImpl::SetWeight(PRInt32 aWeight) { mWeight = aWeight; } nsIStyleRule* CSSStyleRuleImpl::GetImportantRule(void) { if ((nsnull == mImportantRule) && (nsnull != mDeclaration)) { nsICSSDeclaration* important; mDeclaration->GetImportantValues(important); if (nsnull != important) { mImportantRule = new CSSImportantRule(mSheet, important); NS_ADDREF(mImportantRule); NS_RELEASE(important); } } NS_IF_ADDREF(mImportantRule); return mImportantRule; } NS_IMETHODIMP CSSStyleRuleImpl::GetStyleSheet(nsIStyleSheet*& aSheet) const { NS_IF_ADDREF(mSheet); aSheet = mSheet; return NS_OK; } NS_IMETHODIMP CSSStyleRuleImpl::SetStyleSheet(nsICSSStyleSheet* aSheet) { // We don't reference count this up reference. The style sheet // will tell us when it's going away or when we're detached from // it. mSheet = aSheet; if (nsnull != mImportantRule) { // we're responsible for this guy too mImportantRule->mSheet = aSheet; } return NS_OK; } nscoord CalcLength(const nsCSSValue& aValue, const nsStyleFont* aFont, nsIPresContext* aPresContext) { NS_ASSERTION(aValue.IsLengthUnit(), "not a length unit"); if (aValue.IsFixedLengthUnit()) { return aValue.GetLengthTwips(); } nsCSSUnit unit = aValue.GetUnit(); switch (unit) { case eCSSUnit_EM: return NSToCoordRound(aValue.GetFloatValue() * (float)aFont->mFont.size); // XXX scale against font metrics height instead case eCSSUnit_EN: return NSToCoordRound((aValue.GetFloatValue() * (float)aFont->mFont.size) / 2.0f); case eCSSUnit_XHeight: { nsIFontMetrics* fm = aPresContext->GetMetricsFor(aFont->mFont); NS_ASSERTION(nsnull != fm, "can't get font metrics"); nscoord xHeight; if (nsnull != fm) { fm->GetXHeight(xHeight); NS_RELEASE(fm); } else { xHeight = ((aFont->mFont.size / 3) * 2); } return NSToCoordRound(aValue.GetFloatValue() * (float)xHeight); } case eCSSUnit_CapHeight: { NS_NOTYETIMPLEMENTED("cap height unit"); nscoord capHeight = ((aFont->mFont.size / 3) * 2); // XXX HACK! return NSToCoordRound(aValue.GetFloatValue() * (float)capHeight); } case eCSSUnit_Pixel: float p2t; aPresContext->GetScaledPixelsToTwips(p2t); return NSFloatPixelsToTwips(aValue.GetFloatValue(), p2t); } return 0; } #define SETCOORD_NORMAL 0x01 #define SETCOORD_AUTO 0x02 #define SETCOORD_INHERIT 0x04 #define SETCOORD_PERCENT 0x08 #define SETCOORD_FACTOR 0x10 #define SETCOORD_LENGTH 0x20 #define SETCOORD_INTEGER 0x40 #define SETCOORD_ENUMERATED 0x80 #define SETCOORD_LP (SETCOORD_LENGTH | SETCOORD_PERCENT) #define SETCOORD_LH (SETCOORD_LENGTH | SETCOORD_INHERIT) #define SETCOORD_AH (SETCOORD_AUTO | SETCOORD_INHERIT) #define SETCOORD_LPH (SETCOORD_LP | SETCOORD_INHERIT) #define SETCOORD_LPFHN (SETCOORD_LPH | SETCOORD_FACTOR | SETCOORD_NORMAL) #define SETCOORD_LPAH (SETCOORD_LP | SETCOORD_AH) #define SETCOORD_LPEH (SETCOORD_LP | SETCOORD_ENUMERATED | SETCOORD_INHERIT) #define SETCOORD_LEH (SETCOORD_LENGTH | SETCOORD_ENUMERATED | SETCOORD_INHERIT) #define SETCOORD_IAH (SETCOORD_INTEGER | SETCOORD_AH) static PRBool SetCoord(const nsCSSValue& aValue, nsStyleCoord& aCoord, PRInt32 aMask, const nsStyleFont* aFont, nsIPresContext* aPresContext) { PRBool result = PR_TRUE; if (aValue.GetUnit() == eCSSUnit_Null) { result = PR_FALSE; } else if (((aMask & SETCOORD_LENGTH) != 0) && aValue.IsLengthUnit()) { aCoord.SetCoordValue(CalcLength(aValue, aFont, aPresContext)); } else if (((aMask & SETCOORD_PERCENT) != 0) && (aValue.GetUnit() == eCSSUnit_Percent)) { aCoord.SetPercentValue(aValue.GetPercentValue()); } else if (((aMask & SETCOORD_INTEGER) != 0) && (aValue.GetUnit() == eCSSUnit_Integer)) { aCoord.SetIntValue(aValue.GetIntValue(), eStyleUnit_Integer); } else if (((aMask & SETCOORD_ENUMERATED) != 0) && (aValue.GetUnit() == eCSSUnit_Enumerated)) { aCoord.SetIntValue(aValue.GetIntValue(), eStyleUnit_Enumerated); } else if (((aMask & SETCOORD_AUTO) != 0) && (aValue.GetUnit() == eCSSUnit_Auto)) { aCoord.SetAutoValue(); } else if (((aMask & SETCOORD_INHERIT) != 0) && (aValue.GetUnit() == eCSSUnit_Inherit)) { aCoord.SetInheritValue(); } else if (((aMask & SETCOORD_NORMAL) != 0) && (aValue.GetUnit() == eCSSUnit_Normal)) { aCoord.SetNormalValue(); } else if (((aMask & SETCOORD_FACTOR) != 0) && (aValue.GetUnit() == eCSSUnit_Number)) { aCoord.SetFactorValue(aValue.GetFloatValue()); } else { result = PR_FALSE; // didn't set anything } return result; } static PRBool SetColor(const nsCSSValue& aValue, const nscolor aParentColor, nscolor& aResult) { PRBool result = PR_FALSE; nsCSSUnit unit = aValue.GetUnit(); if (eCSSUnit_Color == unit) { aResult = aValue.GetColorValue(); result = PR_TRUE; } else if (eCSSUnit_String == unit) { nsAutoString value; char cbuf[100]; aValue.GetStringValue(value); value.ToCString(cbuf, sizeof(cbuf)); nscolor rgba; if (NS_ColorNameToRGB(cbuf, &rgba)) { aResult = rgba; result = PR_TRUE; } } return result; } NS_IMETHODIMP CSSStyleRuleImpl::MapStyleInto(nsIStyleContext* aContext, nsIPresContext* aPresContext) { MapDeclarationInto(mDeclaration, aContext, aPresContext); return NS_OK; } void MapDeclarationInto(nsICSSDeclaration* aDeclaration, nsIStyleContext* aContext, nsIPresContext* aPresContext) { if (nsnull != aDeclaration) { nsIStyleContext* parentContext = aContext->GetParent(); nsStyleFont* font = (nsStyleFont*)aContext->GetMutableStyleData(eStyleStruct_Font); const nsStyleFont* parentFont = font; if (nsnull != parentContext) { parentFont = (const nsStyleFont*)parentContext->GetStyleData(eStyleStruct_Font); } nsCSSFont* ourFont; if (NS_OK == aDeclaration->GetData(kCSSFontSID, (nsCSSStruct**)&ourFont)) { if (nsnull != ourFont) { const nsFont& defaultFont = aPresContext->GetDefaultFont(); const nsFont& defaultFixedFont = aPresContext->GetDefaultFixedFont(); // font-family: string list, enum, inherit if (eCSSUnit_String == ourFont->mFamily.GetUnit()) { nsIDeviceContext* dc = aPresContext->GetDeviceContext(); if (nsnull != dc) { nsAutoString familyList; ourFont->mFamily.GetStringValue(familyList); font->mFont.name = familyList; nsAutoString face; if (NS_OK == dc->FirstExistingFont(font->mFont, face)) { if (face.EqualsIgnoreCase("monospace")) { font->mFont = font->mFixedFont; } else { font->mFixedFont.name = familyList; } } else { font->mFont.name = defaultFont.name; font->mFixedFont.name = defaultFixedFont.name; } font->mFlags |= NS_STYLE_FONT_FACE_EXPLICIT; NS_RELEASE(dc); } } else if (eCSSUnit_Enumerated == ourFont->mFamily.GetUnit()) { NS_NOTYETIMPLEMENTED("system font"); } else if (eCSSUnit_Inherit == ourFont->mFamily.GetUnit()) { font->mFont.name = parentFont->mFont.name; font->mFixedFont.name = parentFont->mFixedFont.name; font->mFlags &= ~NS_STYLE_FONT_FACE_EXPLICIT; font->mFlags |= (parentFont->mFlags & NS_STYLE_FONT_FACE_EXPLICIT); } // font-style: enum, normal, inherit if (eCSSUnit_Enumerated == ourFont->mStyle.GetUnit()) { font->mFont.style = ourFont->mStyle.GetIntValue(); font->mFixedFont.style = ourFont->mStyle.GetIntValue(); } else if (eCSSUnit_Normal == ourFont->mStyle.GetUnit()) { font->mFont.style = NS_STYLE_FONT_STYLE_NORMAL; font->mFixedFont.style = NS_STYLE_FONT_STYLE_NORMAL; } else if (eCSSUnit_Inherit == ourFont->mStyle.GetUnit()) { font->mFont.style = parentFont->mFont.style; font->mFixedFont.style = parentFont->mFixedFont.style; } // font-variant: enum, normal, inherit if (eCSSUnit_Enumerated == ourFont->mVariant.GetUnit()) { font->mFont.variant = ourFont->mVariant.GetIntValue(); font->mFixedFont.variant = ourFont->mVariant.GetIntValue(); } else if (eCSSUnit_Normal == ourFont->mVariant.GetUnit()) { font->mFont.variant = NS_STYLE_FONT_VARIANT_NORMAL; font->mFixedFont.variant = NS_STYLE_FONT_VARIANT_NORMAL; } else if (eCSSUnit_Inherit == ourFont->mVariant.GetUnit()) { font->mFont.variant = parentFont->mFont.variant; font->mFixedFont.variant = parentFont->mFixedFont.variant; } // font-weight: int, enum, normal, inherit if (eCSSUnit_Integer == ourFont->mWeight.GetUnit()) { font->mFont.weight = ourFont->mWeight.GetIntValue(); font->mFixedFont.weight = ourFont->mWeight.GetIntValue(); } else if (eCSSUnit_Enumerated == ourFont->mWeight.GetUnit()) { PRInt32 value = ourFont->mWeight.GetIntValue(); switch (value) { case NS_STYLE_FONT_WEIGHT_NORMAL: case NS_STYLE_FONT_WEIGHT_BOLD: font->mFont.weight = value; font->mFixedFont.weight = value; break; case NS_STYLE_FONT_WEIGHT_BOLDER: case NS_STYLE_FONT_WEIGHT_LIGHTER: font->mFont.weight = (parentFont->mFont.weight + value); font->mFixedFont.weight = (parentFont->mFixedFont.weight + value); break; } } else if (eCSSUnit_Normal == ourFont->mWeight.GetUnit()) { font->mFont.weight = NS_STYLE_FONT_WEIGHT_NORMAL; font->mFixedFont.weight = NS_STYLE_FONT_WEIGHT_NORMAL; } else if (eCSSUnit_Inherit == ourFont->mWeight.GetUnit()) { font->mFont.weight = parentFont->mFont.weight; font->mFixedFont.weight = parentFont->mFixedFont.weight; } // font-size: enum, length, percent, inherit if (eCSSUnit_Enumerated == ourFont->mSize.GetUnit()) { PRInt32 value = ourFont->mSize.GetIntValue(); PRInt32 scaler; aPresContext->GetFontScaler(scaler); float scaleFactor = nsStyleUtil::GetScalingFactor(scaler); if ((NS_STYLE_FONT_SIZE_XXSMALL <= value) && (value <= NS_STYLE_FONT_SIZE_XXLARGE)) { font->mFont.size = nsStyleUtil::CalcFontPointSize(value, (PRInt32)defaultFont.size, scaleFactor); font->mFixedFont.size = nsStyleUtil::CalcFontPointSize(value, (PRInt32)defaultFixedFont.size, scaleFactor); } else if (NS_STYLE_FONT_SIZE_LARGER == value) { PRInt32 index = nsStyleUtil::FindNextLargerFontSize(parentFont->mFont.size, (PRInt32)defaultFont.size, scaleFactor); font->mFont.size = nsStyleUtil::CalcFontPointSize(index, (PRInt32)defaultFont.size, scaleFactor); font->mFixedFont.size = nsStyleUtil::CalcFontPointSize(index, (PRInt32)defaultFixedFont.size, scaleFactor); } else if (NS_STYLE_FONT_SIZE_SMALLER == value) { PRInt32 index = nsStyleUtil::FindNextSmallerFontSize(parentFont->mFont.size, (PRInt32)defaultFont.size, scaleFactor); font->mFont.size = nsStyleUtil::CalcFontPointSize(index, (PRInt32)defaultFont.size, scaleFactor); font->mFixedFont.size = nsStyleUtil::CalcFontPointSize(index, (PRInt32)defaultFixedFont.size, scaleFactor); } // this does NOT explicitly set font size font->mFlags &= ~NS_STYLE_FONT_SIZE_EXPLICIT; } else if (ourFont->mSize.IsLengthUnit()) { font->mFont.size = CalcLength(ourFont->mSize, parentFont, aPresContext); font->mFixedFont.size = CalcLength(ourFont->mSize, parentFont, aPresContext); font->mFlags |= NS_STYLE_FONT_SIZE_EXPLICIT; } else if (eCSSUnit_Percent == ourFont->mSize.GetUnit()) { font->mFont.size = (nscoord)((float)(parentFont->mFont.size) * ourFont->mSize.GetPercentValue()); font->mFixedFont.size = (nscoord)((float)(parentFont->mFixedFont.size) * ourFont->mSize.GetPercentValue()); font->mFlags |= NS_STYLE_FONT_SIZE_EXPLICIT; } else if (eCSSUnit_Inherit == ourFont->mSize.GetUnit()) { font->mFont.size = parentFont->mFont.size; font->mFixedFont.size = parentFont->mFixedFont.size; font->mFlags &= ~NS_STYLE_FONT_SIZE_EXPLICIT; font->mFlags |= (parentFont->mFlags & NS_STYLE_FONT_SIZE_EXPLICIT); } } } nsCSSText* ourText; if (NS_OK == aDeclaration->GetData(kCSSTextSID, (nsCSSStruct**)&ourText)) { if (nsnull != ourText) { // Get our text style and our parent's text style nsStyleText* text = (nsStyleText*) aContext->GetMutableStyleData(eStyleStruct_Text); const nsStyleText* parentText = text; if (nsnull != parentContext) { parentText = (const nsStyleText*)parentContext->GetStyleData(eStyleStruct_Text); } // letter-spacing: normal, length, inherit SetCoord(ourText->mLetterSpacing, text->mLetterSpacing, SETCOORD_LH | SETCOORD_NORMAL, font, aPresContext); // line-height: normal, number, length, percent, inherit SetCoord(ourText->mLineHeight, text->mLineHeight, SETCOORD_LPFHN, font, aPresContext); // text-align: enum, string, inherit if (eCSSUnit_Enumerated == ourText->mTextAlign.GetUnit()) { text->mTextAlign = ourText->mTextAlign.GetIntValue(); } else if (eCSSUnit_String == ourText->mTextAlign.GetUnit()) { NS_NOTYETIMPLEMENTED("align string"); } else if (eCSSUnit_Inherit == ourText->mTextAlign.GetUnit()) { text->mTextAlign = parentText->mTextAlign; } // text-indent: length, percent, inherit SetCoord(ourText->mTextIndent, text->mTextIndent, SETCOORD_LPH, font, aPresContext); // text-decoration: none, enum (bit field), inherit if (eCSSUnit_Enumerated == ourText->mDecoration.GetUnit()) { PRInt32 td = ourText->mDecoration.GetIntValue(); font->mFont.decorations = (parentFont->mFont.decorations | td); font->mFixedFont.decorations = (parentFont->mFixedFont.decorations | td); text->mTextDecoration = td; } else if (eCSSUnit_None == ourText->mDecoration.GetUnit()) { font->mFont.decorations = NS_STYLE_TEXT_DECORATION_NONE; font->mFixedFont.decorations = NS_STYLE_TEXT_DECORATION_NONE; text->mTextDecoration = NS_STYLE_TEXT_DECORATION_NONE; } else if (eCSSUnit_Inherit == ourText->mDecoration.GetUnit()) { font->mFont.decorations = parentFont->mFont.decorations; font->mFixedFont.decorations = parentFont->mFixedFont.decorations; text->mTextDecoration = parentText->mTextDecoration; } // text-transform: enum, none, inherit if (eCSSUnit_Enumerated == ourText->mTextTransform.GetUnit()) { text->mTextTransform = ourText->mTextTransform.GetIntValue(); } else if (eCSSUnit_None == ourText->mTextTransform.GetUnit()) { text->mTextTransform = NS_STYLE_TEXT_TRANSFORM_NONE; } else if (eCSSUnit_Inherit == ourText->mTextTransform.GetUnit()) { text->mTextTransform = parentText->mTextTransform; } // vertical-align: enum, length, percent, inherit if (! SetCoord(ourText->mVerticalAlign, text->mVerticalAlign, SETCOORD_LP | SETCOORD_ENUMERATED, font, aPresContext)) { // XXX this really needs to pass the inherit value along... if (eCSSUnit_Inherit == ourText->mVerticalAlign.GetUnit()) { text->mVerticalAlign = parentText->mVerticalAlign; } } // white-space: enum, normal, inherit if (eCSSUnit_Enumerated == ourText->mWhiteSpace.GetUnit()) { text->mWhiteSpace = ourText->mWhiteSpace.GetIntValue(); } else if (eCSSUnit_Normal == ourText->mWhiteSpace.GetUnit()) { text->mWhiteSpace = NS_STYLE_WHITESPACE_NORMAL; } else if (eCSSUnit_Inherit == ourText->mWhiteSpace.GetUnit()) { text->mWhiteSpace = parentText->mWhiteSpace; } // word-spacing: normal, length, inherit SetCoord(ourText->mWordSpacing, text->mWordSpacing, SETCOORD_LH | SETCOORD_NORMAL, font, aPresContext); } } nsCSSDisplay* ourDisplay; if (NS_OK == aDeclaration->GetData(kCSSDisplaySID, (nsCSSStruct**)&ourDisplay)) { if (nsnull != ourDisplay) { // Get our style and our parent's style nsStyleDisplay* display = (nsStyleDisplay*) aContext->GetMutableStyleData(eStyleStruct_Display); const nsStyleDisplay* parentDisplay = display; if (nsnull != parentContext) { parentDisplay = (const nsStyleDisplay*)parentContext->GetStyleData(eStyleStruct_Display); } // display: enum, none, inherit if (eCSSUnit_Enumerated == ourDisplay->mDisplay.GetUnit()) { display->mDisplay = ourDisplay->mDisplay.GetIntValue(); } else if (eCSSUnit_None == ourDisplay->mDisplay.GetUnit()) { display->mDisplay = NS_STYLE_DISPLAY_NONE; } else if (eCSSUnit_Inherit == ourDisplay->mDisplay.GetUnit()) { display->mDisplay = parentDisplay->mDisplay; } // direction: enum, inherit if (eCSSUnit_Enumerated == ourDisplay->mDirection.GetUnit()) { display->mDirection = ourDisplay->mDirection.GetIntValue(); } else if (eCSSUnit_Inherit == ourDisplay->mDirection.GetUnit()) { display->mDirection = parentDisplay->mDirection; } // clear: enum, none, inherit if (eCSSUnit_Enumerated == ourDisplay->mClear.GetUnit()) { display->mBreakType = ourDisplay->mClear.GetIntValue(); } else if (eCSSUnit_None == ourDisplay->mClear.GetUnit()) { display->mBreakType = NS_STYLE_CLEAR_NONE; } else if (eCSSUnit_Inherit == ourDisplay->mClear.GetUnit()) { display->mBreakType = parentDisplay->mBreakType; } // float: enum, none, inherit if (eCSSUnit_Enumerated == ourDisplay->mFloat.GetUnit()) { display->mFloats = ourDisplay->mFloat.GetIntValue(); } else if (eCSSUnit_None == ourDisplay->mFloat.GetUnit()) { display->mFloats = NS_STYLE_FLOAT_NONE; } else if (eCSSUnit_Inherit == ourDisplay->mFloat.GetUnit()) { display->mFloats = parentDisplay->mFloats; } // visibility: enum, inherit if (eCSSUnit_Enumerated == ourDisplay->mVisibility.GetUnit()) { display->mVisible = PRBool (NS_STYLE_VISIBILITY_VISIBLE == ourDisplay->mVisibility.GetIntValue()); } else if (eCSSUnit_Inherit == ourDisplay->mVisibility.GetUnit()) { display->mVisible = parentDisplay->mVisible; } // overflow: enum, auto, inherit if (eCSSUnit_Enumerated == ourDisplay->mOverflow.GetUnit()) { display->mOverflow = ourDisplay->mOverflow.GetIntValue(); } else if (eCSSUnit_Auto == ourDisplay->mOverflow.GetUnit()) { display->mOverflow = NS_STYLE_OVERFLOW_AUTO; } else if (eCSSUnit_Inherit == ourDisplay->mOverflow.GetUnit()) { display->mOverflow = parentDisplay->mOverflow; } // clip property: length, auto, inherit if (nsnull != ourDisplay->mClip) { if (eCSSUnit_Inherit == ourDisplay->mClip->mTop.GetUnit()) { // if one is inherit, they all are display->mClipFlags = NS_STYLE_CLIP_INHERIT; } else { PRBool fullAuto = PR_TRUE; display->mClipFlags = 0; // clear it if (eCSSUnit_Auto == ourDisplay->mClip->mTop.GetUnit()) { 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 (eCSSUnit_Auto == ourDisplay->mClip->mRight.GetUnit()) { 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 (eCSSUnit_Auto == ourDisplay->mClip->mBottom.GetUnit()) { 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 (eCSSUnit_Auto == ourDisplay->mClip->mLeft.GetUnit()) { 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; } } } } } nsCSSColor* ourColor; if (NS_OK == aDeclaration->GetData(kCSSColorSID, (nsCSSStruct**)&ourColor)) { if (nsnull != ourColor) { nsStyleColor* color = (nsStyleColor*)aContext->GetMutableStyleData(eStyleStruct_Color); const nsStyleColor* parentColor = color; if (nsnull != parentContext) { parentColor = (const nsStyleColor*)parentContext->GetStyleData(eStyleStruct_Color); } // color: color, string, inherit if (! SetColor(ourColor->mColor, parentColor->mColor, color->mColor)) { if (eCSSUnit_Inherit == ourColor->mColor.GetUnit()) { color->mColor = parentColor->mColor; } } // cursor: enum, auto, url, inherit nsCSSValueList* list = ourColor->mCursor; if (nsnull != list) { // XXX need to deal with multiple URL values if (eCSSUnit_Enumerated == list->mValue.GetUnit()) { color->mCursor = list->mValue.GetIntValue(); } else if (eCSSUnit_Auto == list->mValue.GetUnit()) { color->mCursor = NS_STYLE_CURSOR_AUTO; } else if (eCSSUnit_URL == list->mValue.GetUnit()) { list->mValue.GetStringValue(color->mCursorImage); } else if (eCSSUnit_Inherit == list->mValue.GetUnit()) { color->mCursor = parentColor->mCursor; } } // background-color: color, string, enum (flags), inherit if (SetColor(ourColor->mBackColor, parentColor->mBackgroundColor, color->mBackgroundColor)) { color->mBackgroundFlags &= ~NS_STYLE_BG_COLOR_TRANSPARENT; } else if (eCSSUnit_Enumerated == ourColor->mBackColor.GetUnit()) { color->mBackgroundFlags |= NS_STYLE_BG_COLOR_TRANSPARENT; } else if (eCSSUnit_Inherit == ourColor->mBackColor.GetUnit()) { color->mBackgroundColor = parentColor->mBackgroundColor; color->mBackgroundFlags &= ~NS_STYLE_BG_COLOR_TRANSPARENT; color->mBackgroundFlags |= (parentColor->mBackgroundFlags & NS_STYLE_BG_COLOR_TRANSPARENT); } // background-image: url, none, inherit if (eCSSUnit_URL == ourColor->mBackImage.GetUnit()) { ourColor->mBackImage.GetStringValue(color->mBackgroundImage); color->mBackgroundFlags &= ~NS_STYLE_BG_IMAGE_NONE; } else if (eCSSUnit_None == ourColor->mBackImage.GetUnit()) { color->mBackgroundImage.Truncate(); color->mBackgroundFlags |= NS_STYLE_BG_IMAGE_NONE; } else if (eCSSUnit_Inherit == ourColor->mBackImage.GetUnit()) { color->mBackgroundImage = parentColor->mBackgroundImage; color->mBackgroundFlags &= ~NS_STYLE_BG_IMAGE_NONE; color->mBackgroundFlags |= (parentColor->mBackgroundFlags & NS_STYLE_BG_IMAGE_NONE); } // background-repeat: enum, inherit if (eCSSUnit_Enumerated == ourColor->mBackRepeat.GetUnit()) { color->mBackgroundRepeat = ourColor->mBackRepeat.GetIntValue(); } else if (eCSSUnit_Inherit == ourColor->mBackRepeat.GetUnit()) { color->mBackgroundRepeat = parentColor->mBackgroundRepeat; } // background-attachment: enum, inherit if (eCSSUnit_Enumerated == ourColor->mBackAttachment.GetUnit()) { color->mBackgroundAttachment = ourColor->mBackAttachment.GetIntValue(); } else if (eCSSUnit_Inherit == ourColor->mBackAttachment.GetUnit()) { color->mBackgroundAttachment = parentColor->mBackgroundAttachment; } // background-position: enum, length, percent (flags), inherit if (eCSSUnit_Percent == ourColor->mBackPositionX.GetUnit()) { 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; } else if (eCSSUnit_Enumerated == ourColor->mBackPositionX.GetUnit()) { color->mBackgroundXPosition = (nscoord)ourColor->mBackPositionX.GetIntValue(); color->mBackgroundFlags |= NS_STYLE_BG_X_POSITION_PERCENT; color->mBackgroundFlags &= ~NS_STYLE_BG_X_POSITION_LENGTH; } else if (eCSSUnit_Inherit == ourColor->mBackPositionX.GetUnit()) { color->mBackgroundXPosition = parentColor->mBackgroundXPosition; color->mBackgroundFlags &= ~(NS_STYLE_BG_X_POSITION_LENGTH | NS_STYLE_BG_X_POSITION_PERCENT); color->mBackgroundFlags |= (parentColor->mBackgroundFlags & (NS_STYLE_BG_X_POSITION_LENGTH | NS_STYLE_BG_X_POSITION_PERCENT)); } if (eCSSUnit_Percent == ourColor->mBackPositionY.GetUnit()) { 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; } else if (eCSSUnit_Enumerated == ourColor->mBackPositionY.GetUnit()) { color->mBackgroundYPosition = (nscoord)ourColor->mBackPositionY.GetIntValue(); color->mBackgroundFlags |= NS_STYLE_BG_Y_POSITION_PERCENT; color->mBackgroundFlags &= ~NS_STYLE_BG_Y_POSITION_LENGTH; } else if (eCSSUnit_Inherit == ourColor->mBackPositionY.GetUnit()) { color->mBackgroundYPosition = parentColor->mBackgroundYPosition; color->mBackgroundFlags &= ~(NS_STYLE_BG_Y_POSITION_LENGTH | NS_STYLE_BG_Y_POSITION_PERCENT); color->mBackgroundFlags |= (parentColor->mBackgroundFlags & (NS_STYLE_BG_Y_POSITION_LENGTH | NS_STYLE_BG_Y_POSITION_PERCENT)); } // opacity: factor, percent, inherit if (eCSSUnit_Percent == ourColor->mOpacity.GetUnit()) { color->mOpacity = ourColor->mOpacity.GetPercentValue(); } else if (eCSSUnit_Number == ourColor->mOpacity.GetUnit()) { color->mOpacity = ourColor->mOpacity.GetFloatValue(); } else if (eCSSUnit_Inherit == ourColor->mOpacity.GetUnit()) { color->mOpacity = parentColor->mOpacity; } // XXX: NYI nsCSSValue mBackFilter; } } nsCSSMargin* ourMargin; if (NS_OK == aDeclaration->GetData(kCSSMarginSID, (nsCSSStruct**)&ourMargin)) { if (nsnull != ourMargin) { nsStyleSpacing* spacing = (nsStyleSpacing*) aContext->GetMutableStyleData(eStyleStruct_Spacing); const nsStyleSpacing* parentSpacing = spacing; if (nsnull != parentContext) { parentSpacing = (const nsStyleSpacing*)parentContext->GetStyleData(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, inherit if (nsnull != ourMargin->mBorderWidth) { nsStyleCoord coord; if (SetCoord(ourMargin->mBorderWidth->mLeft, coord, SETCOORD_LEH, font, aPresContext)) { spacing->mBorder.SetLeft(coord); } if (SetCoord(ourMargin->mBorderWidth->mTop, coord, SETCOORD_LEH, font, aPresContext)) { spacing->mBorder.SetTop(coord); } if (SetCoord(ourMargin->mBorderWidth->mRight, coord, SETCOORD_LEH, font, aPresContext)) { spacing->mBorder.SetRight(coord); } if (SetCoord(ourMargin->mBorderWidth->mBottom, coord, SETCOORD_LEH, font, aPresContext)) { spacing->mBorder.SetBottom(coord); } } // border-style: enum, none, inhert if (nsnull != ourMargin->mBorderStyle) { nsCSSRect* ourStyle = ourMargin->mBorderStyle; if (eCSSUnit_Enumerated == ourStyle->mTop.GetUnit()) { spacing->SetBorderStyle(NS_SIDE_TOP, ourStyle->mTop.GetIntValue()); } else if (eCSSUnit_None == ourStyle->mTop.GetUnit()) { spacing->SetBorderStyle(NS_SIDE_TOP, NS_STYLE_BORDER_STYLE_NONE); } else if (eCSSUnit_Inherit == ourStyle->mTop.GetUnit()) { spacing->SetBorderStyle(NS_SIDE_TOP, parentSpacing->GetBorderStyle(NS_SIDE_TOP)); } if (eCSSUnit_Enumerated == ourStyle->mRight.GetUnit()) { spacing->SetBorderStyle(NS_SIDE_RIGHT, ourStyle->mRight.GetIntValue()); } else if (eCSSUnit_None == ourStyle->mRight.GetUnit()) { spacing->SetBorderStyle(NS_SIDE_RIGHT, NS_STYLE_BORDER_STYLE_NONE); } else if (eCSSUnit_Inherit == ourStyle->mRight.GetUnit()) { spacing->SetBorderStyle(NS_SIDE_RIGHT, parentSpacing->GetBorderStyle(NS_SIDE_RIGHT)); } if (eCSSUnit_Enumerated == ourStyle->mBottom.GetUnit()) { spacing->SetBorderStyle(NS_SIDE_BOTTOM, ourStyle->mBottom.GetIntValue()); } else if (eCSSUnit_None == ourStyle->mBottom.GetUnit()) { spacing->SetBorderStyle(NS_SIDE_BOTTOM, NS_STYLE_BORDER_STYLE_NONE); } else if (eCSSUnit_Inherit == ourStyle->mBottom.GetUnit()) { spacing->SetBorderStyle(NS_SIDE_BOTTOM, parentSpacing->GetBorderStyle(NS_SIDE_BOTTOM)); } if (eCSSUnit_Enumerated == ourStyle->mLeft.GetUnit()) { spacing->SetBorderStyle(NS_SIDE_LEFT, ourStyle->mLeft.GetIntValue()); } else if (eCSSUnit_None == ourStyle->mLeft.GetUnit()) { spacing->SetBorderStyle(NS_SIDE_LEFT, NS_STYLE_BORDER_STYLE_NONE); } else if (eCSSUnit_Inherit == ourStyle->mLeft.GetUnit()) { spacing->SetBorderStyle(NS_SIDE_LEFT, parentSpacing->GetBorderStyle(NS_SIDE_LEFT)); } } // border-color: color. string, enum, inherit if (nsnull != ourMargin->mBorderColor) { nsCSSRect* ourColor = ourMargin->mBorderColor; nscolor aBorderColor = NS_RGBA(0,0,0,0); if (! SetColor(ourColor->mTop, parentSpacing->GetBorderColor(NS_SIDE_TOP), aBorderColor)) { if (eCSSUnit_Enumerated == ourColor->mTop.GetUnit()) { spacing->SetBorderColor(NS_SIDE_TOP ,NS_RGBA(0, 0, 0, 0)); // transparent } else if (eCSSUnit_Inherit == ourColor->mTop.GetUnit()) { spacing->SetBorderColor(NS_SIDE_TOP, parentSpacing->GetBorderColor(NS_SIDE_TOP)); } } else{ spacing->SetBorderColor(NS_SIDE_TOP, aBorderColor); } if (! SetColor(ourColor->mRight, parentSpacing->GetBorderColor(NS_SIDE_RIGHT), aBorderColor)) { if (eCSSUnit_Enumerated == ourColor->mRight.GetUnit()) { spacing->SetBorderColor(NS_SIDE_RIGHT ,NS_RGBA(0, 0, 0, 0)); // transparent } else if (eCSSUnit_Inherit == ourColor->mRight.GetUnit()) { spacing->SetBorderColor(NS_SIDE_RIGHT, parentSpacing->GetBorderColor(NS_SIDE_RIGHT)); } } else{ spacing->SetBorderColor(NS_SIDE_RIGHT, aBorderColor); } if (! SetColor(ourColor->mBottom, parentSpacing->GetBorderColor(NS_SIDE_BOTTOM), aBorderColor)) { if (eCSSUnit_Enumerated == ourColor->mBottom.GetUnit()) { spacing->SetBorderColor(NS_SIDE_BOTTOM ,NS_RGBA(0, 0, 0, 0)); // transparent } else if (eCSSUnit_Inherit == ourColor->mBottom.GetUnit()) { spacing->SetBorderColor(NS_SIDE_BOTTOM, parentSpacing->GetBorderColor(NS_SIDE_BOTTOM)); } } else{ spacing->SetBorderColor(NS_SIDE_BOTTOM, aBorderColor); } if (! SetColor(ourColor->mLeft, parentSpacing->GetBorderColor(NS_SIDE_LEFT), aBorderColor)) { if (eCSSUnit_Enumerated == ourColor->mLeft.GetUnit()) { spacing->SetBorderColor(NS_SIDE_LEFT ,NS_RGBA(0, 0, 0, 0)); // transparent } else if (eCSSUnit_Inherit == ourColor->mLeft.GetUnit()) { spacing->SetBorderColor(NS_SIDE_LEFT, parentSpacing->GetBorderColor(NS_SIDE_LEFT)); } } else{ spacing->SetBorderColor(NS_SIDE_LEFT, aBorderColor); } } } } nsCSSPosition* ourPosition; if (NS_OK == aDeclaration->GetData(kCSSPositionSID, (nsCSSStruct**)&ourPosition)) { if (nsnull != ourPosition) { nsStylePosition* position = (nsStylePosition*)aContext->GetMutableStyleData(eStyleStruct_Position); const nsStylePosition* parentPosition = position; if (nsnull != parentContext) { parentPosition = (const nsStylePosition*)parentContext->GetStyleData(eStyleStruct_Position); } // position: enum, inherit if (eCSSUnit_Enumerated == ourPosition->mPosition.GetUnit()) { position->mPosition = ourPosition->mPosition.GetIntValue(); } else if (eCSSUnit_Inherit == ourPosition->mPosition.GetUnit()) { position->mPosition = parentPosition->mPosition; } // box offsets: length, percent, auto, inherit if (nsnull != ourPosition->mOffset) { SetCoord(ourPosition->mOffset->mTop, position->mTopOffset, SETCOORD_LPAH, font, aPresContext); // XXX right bottom SetCoord(ourPosition->mOffset->mLeft, position->mLeftOffset, SETCOORD_LPAH, font, aPresContext); } SetCoord(ourPosition->mWidth, position->mWidth, SETCOORD_LPAH, font, aPresContext); SetCoord(ourPosition->mMinWidth, position->mWidth, SETCOORD_LPH, font, aPresContext); if (! SetCoord(ourPosition->mMaxWidth, position->mWidth, SETCOORD_LPH, font, aPresContext)) { if (eCSSUnit_None == ourPosition->mMaxWidth.GetUnit()) { position->mMaxWidth.Reset(); } } SetCoord(ourPosition->mHeight, position->mHeight, SETCOORD_LPAH, font, aPresContext); SetCoord(ourPosition->mMinHeight, position->mHeight, SETCOORD_LPH, font, aPresContext); if (! SetCoord(ourPosition->mMaxHeight, position->mHeight, SETCOORD_LPH, font, aPresContext)) { if (eCSSUnit_None == ourPosition->mMaxHeight.GetUnit()) { position->mMaxHeight.Reset(); } } // z-index SetCoord(ourPosition->mZIndex, position->mZIndex, SETCOORD_IAH, nsnull, nsnull); } } nsCSSList* ourList; if (NS_OK == aDeclaration->GetData(kCSSListSID, (nsCSSStruct**)&ourList)) { if (nsnull != ourList) { nsStyleList* list = (nsStyleList*)aContext->GetMutableStyleData(eStyleStruct_List); const nsStyleList* parentList = list; if (nsnull != parentList) { parentList = (const nsStyleList*)parentContext->GetStyleData(eStyleStruct_List); } // list-style-type: enum, none, inherit if (eCSSUnit_Enumerated == ourList->mType.GetUnit()) { list->mListStyleType = ourList->mType.GetIntValue(); } else if (eCSSUnit_None == ourList->mType.GetUnit()) { list->mListStyleType = NS_STYLE_LIST_STYLE_NONE; } else if (eCSSUnit_Inherit == ourList->mType.GetUnit()) { list->mListStyleType = parentList->mListStyleType; } // list-style-image: url, none, inherit if (eCSSUnit_URL == ourList->mImage.GetUnit()) { ourList->mImage.GetStringValue(list->mListStyleImage); } else if (eCSSUnit_None == ourList->mImage.GetUnit()) { list->mListStyleImage.Truncate(); } else if (eCSSUnit_Inherit == ourList->mImage.GetUnit()) { list->mListStyleImage = parentList->mListStyleImage; } // list-style-position: enum, inherit if (eCSSUnit_Enumerated == ourList->mPosition.GetUnit()) { list->mListStylePosition = ourList->mPosition.GetIntValue(); } else if (eCSSUnit_Inherit == ourList->mPosition.GetUnit()) { list->mListStylePosition = parentList->mListStylePosition; } } } nsCSSTable* ourTable; if (NS_OK == aDeclaration->GetData(kCSSTableSID, (nsCSSStruct**)&ourTable)) { if (nsnull != ourTable) { nsStyleTable* table = (nsStyleTable*)aContext->GetMutableStyleData(eStyleStruct_Table); const nsStyleTable* parentTable = table; if (nsnull != parentTable) { parentTable = (const nsStyleTable*)parentContext->GetStyleData(eStyleStruct_Table); } nsStyleCoord coord; // border-collapse: enum, inherit if (eCSSUnit_Enumerated == ourTable->mBorderCollapse.GetUnit()) { table->mBorderCollapse = ourTable->mBorderCollapse.GetIntValue(); } else if (eCSSUnit_Inherit == ourTable->mBorderCollapse.GetUnit()) { table->mBorderCollapse = parentTable->mBorderCollapse; } // border-spacing-x: length, inherit if (SetCoord(ourTable->mBorderSpacingX, coord, SETCOORD_LENGTH, font, aPresContext)) { table->mBorderSpacingX = coord.GetCoordValue(); } else if (eCSSUnit_Inherit == ourTable->mBorderSpacingX.GetUnit()) { table->mBorderSpacingX = parentTable->mBorderSpacingX; } // border-spacing-y: length, inherit if (SetCoord(ourTable->mBorderSpacingY, coord, SETCOORD_LENGTH, font, aPresContext)) { table->mBorderSpacingY = coord.GetCoordValue(); } else if (eCSSUnit_Inherit == ourTable->mBorderSpacingY.GetUnit()) { table->mBorderSpacingY = parentTable->mBorderSpacingY; } // caption-side: enum, inherit if (eCSSUnit_Enumerated == ourTable->mCaptionSide.GetUnit()) { table->mCaptionSide = ourTable->mCaptionSide.GetIntValue(); } else if (eCSSUnit_Inherit == ourTable->mCaptionSide.GetUnit()) { table->mCaptionSide = parentTable->mCaptionSide; } // empty-cells: enum, inherit if (eCSSUnit_Enumerated == ourTable->mEmptyCells.GetUnit()) { table->mEmptyCells = ourTable->mEmptyCells.GetIntValue(); } else if (eCSSUnit_Inherit == ourTable->mEmptyCells.GetUnit()) { table->mEmptyCells = parentTable->mEmptyCells; } // table-layout: auto, enum, inherit if (eCSSUnit_Enumerated == ourTable->mLayout.GetUnit()) { table->mLayoutStrategy = ourTable->mLayout.GetIntValue(); } else if (eCSSUnit_Auto == ourTable->mLayout.GetUnit()) { table->mLayoutStrategy = NS_STYLE_TABLE_LAYOUT_AUTO; } else if (eCSSUnit_Inherit == ourTable->mLayout.GetUnit()) { table->mLayoutStrategy = parentTable->mLayoutStrategy; } } } NS_IF_RELEASE(parentContext); } } 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); } } NS_IMETHODIMP 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); return NS_OK; } NS_IMETHODIMP CSSStyleRuleImpl::GetType(PRUint16* aType) { *aType = nsIDOMCSSRule::STYLE_RULE; return NS_OK; } NS_IMETHODIMP CSSStyleRuleImpl::GetCssText(nsString& aCssText) { // XXX TBI return NS_OK; } NS_IMETHODIMP CSSStyleRuleImpl::SetCssText(const nsString& aCssText) { // XXX TBI return NS_OK; } NS_IMETHODIMP CSSStyleRuleImpl::GetSheet(nsIDOMCSSStyleSheet** aSheet) { if (nsnull != mSheet) { return mSheet->QueryInterface(kIDOMCSSStyleSheetIID, (void**)aSheet); } *aSheet = nsnull; return NS_OK; } NS_IMETHODIMP CSSStyleRuleImpl::GetSelectorText(nsString& aSelectorText) { nsAutoString buffer; nsAutoString thisSelector; nsCSSSelector *selector = &mSelector; // XXX Ugh...they're in reverse order from the source. Sorry // for the ugliness. aSelectorText.SetLength(0); while (nsnull != selector) { thisSelector.SetLength(0); if (nsnull != selector->mTag) { selector->mTag->ToString(buffer); thisSelector.Append(buffer); } if (nsnull != selector->mID) { selector->mID->ToString(buffer); thisSelector.Append("#"); thisSelector.Append(buffer); } if (nsnull != selector->mClass) { selector->mClass->ToString(buffer); thisSelector.Append("."); thisSelector.Append(buffer); } if (nsnull != selector->mPseudoClass) { selector->mPseudoClass->ToString(buffer); thisSelector.Append(":"); thisSelector.Append(buffer); } aSelectorText.Insert(thisSelector, 0, thisSelector.Length()); selector = selector->mNext; } return NS_OK; } NS_IMETHODIMP CSSStyleRuleImpl::SetSelectorText(const nsString& aSelectorText) { // XXX TBI return NS_OK; } NS_IMETHODIMP CSSStyleRuleImpl::GetStyle(nsIDOMCSSStyleDeclaration** aStyle) { if (nsnull == mDOMDeclaration) { mDOMDeclaration = new DOMCSSDeclarationImpl(this); if (nsnull == mDOMDeclaration) { return NS_ERROR_OUT_OF_MEMORY; } NS_ADDREF(mDOMDeclaration); } *aStyle = mDOMDeclaration; NS_ADDREF(mDOMDeclaration); return NS_OK; } NS_IMETHODIMP CSSStyleRuleImpl::SetStyle(nsIDOMCSSStyleDeclaration* aStyle) { // XXX TBI return NS_OK; } NS_IMETHODIMP CSSStyleRuleImpl::GetScriptObject(nsIScriptContext *aContext, void** aScriptObject) { nsresult res = NS_OK; nsIScriptGlobalObject *global = aContext->GetGlobalObject(); if (nsnull == mScriptObject) { nsISupports *supports = (nsISupports *)(nsICSSStyleRule *)this; // XXX Parent should be the style sheet // XXX Should be done through factory res = NS_NewScriptCSSStyleRule(aContext, supports, (nsISupports *)global, (void**)&mScriptObject); } *aScriptObject = mScriptObject; NS_RELEASE(global); return res; } NS_IMETHODIMP CSSStyleRuleImpl::SetScriptObject(void* aScriptObject) { mScriptObject = aScriptObject; return NS_OK; } 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); }