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715 lines
21 KiB
C++
715 lines
21 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 "nsIStyleContext.h"
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#include "nsStyleConsts.h"
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#include "nsString.h"
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#include "nsUnitConversion.h"
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#include "nsIContent.h"
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#include "nsIPresContext.h"
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#include "nsIStyleRule.h"
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#include "nsISupportsArray.h"
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#include "nsCRT.h"
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#include "nsIFrame.h"
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//#define DEBUG_REFS
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#ifdef NS_DEBUG
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static PRBool gsDebug = PR_FALSE;
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#else
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static const PRBool gsDebug = PR_FALSE;
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#endif
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static NS_DEFINE_IID(kStyleFontSID, NS_STYLEFONT_SID);
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static NS_DEFINE_IID(kStyleColorSID, NS_STYLECOLOR_SID);
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static NS_DEFINE_IID(kStyleSpacingSID, NS_STYLESPACING_SID);
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static NS_DEFINE_IID(kStyleBorderSID, NS_STYLEBORDER_SID);
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static NS_DEFINE_IID(kStyleListSID, NS_STYLELIST_SID);
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static NS_DEFINE_IID(kStyleMoleculeSID, NS_STYLEMOLECULE_SID);
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static NS_DEFINE_IID(kIStyleContextIID, NS_ISTYLECONTEXT_IID);
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// --------------------
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// nsStyleFont
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//
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nsStyleFont::nsStyleFont(const nsFont& aFont)
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: mFont(aFont)
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{
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}
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nsStyleFont::~nsStyleFont(void)
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{
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}
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struct StyleFontImpl : public nsStyleFont {
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StyleFontImpl(const nsFont& aFont)
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: nsStyleFont(aFont)
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{}
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~StyleFontImpl()
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{}
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virtual const nsID& GetID(void)
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{ return kStyleFontSID; }
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virtual void InheritFrom(const nsStyleFont& aCopy);
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private: // These are not allowed
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StyleFontImpl(const StyleFontImpl& aOther);
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StyleFontImpl& operator=(const StyleFontImpl& aOther);
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};
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void StyleFontImpl::InheritFrom(const nsStyleFont& aCopy)
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{
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mFont = aCopy.mFont;
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mThreeD = aCopy.mThreeD;
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}
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// --------------------
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// nsStyleColor
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//
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struct StyleColorImpl: public nsStyleColor {
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StyleColorImpl(void)
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{
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mBackgroundAttachment = NS_STYLE_BG_ATTACHMENT_SCROLL;
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mBackgroundFlags = NS_STYLE_BG_COLOR_TRANSPARENT;
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mBackgroundRepeat = NS_STYLE_BG_REPEAT_OFF;
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mBackgroundColor = NS_RGB(192,192,192);
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}
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~StyleColorImpl(void)
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{}
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virtual const nsID& GetID(void)
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{ return kStyleColorSID; }
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virtual void InheritFrom(const nsStyleColor& aCopy);
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private: // These are not allowed
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StyleColorImpl(const StyleColorImpl& aOther);
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StyleColorImpl& operator=(const StyleColorImpl& aOther);
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};
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void StyleColorImpl::InheritFrom(const nsStyleColor& aCopy)
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{
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mColor = aCopy.mColor;
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mBackgroundFlags = NS_STYLE_BG_COLOR_TRANSPARENT;
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}
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// --------------------
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// nsStyleSpacing
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//
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nsStyleSpacing::nsStyleSpacing(void)
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: mMargin(0, 0, 0, 0),
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mPadding(0, 0, 0, 0),
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mBorderPadding(0, 0, 0, 0)
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{
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}
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nsStyleSpacing::~nsStyleSpacing(void)
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{
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}
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struct StyleSpacingImpl: public nsStyleSpacing {
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StyleSpacingImpl(void)
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: nsStyleSpacing()
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{}
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~StyleSpacingImpl(void)
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{}
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virtual const nsID& GetID(void)
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{ return kStyleSpacingSID; }
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virtual void InheritFrom(const nsStyleSpacing& aCopy);
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};
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void StyleSpacingImpl::InheritFrom(const nsStyleSpacing& aCopy)
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{
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// spacing values not inherited
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}
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// --------------------
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// nsStyleBorder
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//
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nsStyleBorder::nsStyleBorder(void)
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: mSize(0, 0, 0, 0)
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{
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mSizeFlag[0] = mSizeFlag[1] = mSizeFlag[2] = mSizeFlag[3] = NS_STYLE_BORDER_WIDTH_LENGTH_VALUE;
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mStyle[0] = mStyle[1] = mStyle[2] = mStyle[3] = NS_STYLE_BORDER_STYLE_NONE;
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mColor[0] = mColor[1] = mColor[2] = mColor[3] = NS_RGB(0, 0, 0);
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}
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nsStyleBorder::~nsStyleBorder(void)
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{
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}
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struct StyleBorderImpl: public nsStyleBorder {
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StyleBorderImpl(void)
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: nsStyleBorder()
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{}
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~StyleBorderImpl(void)
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{}
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virtual const nsID& GetID(void)
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{ return kStyleBorderSID; }
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virtual void InheritFrom(const nsStyleBorder& aCopy);
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};
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void StyleBorderImpl::InheritFrom(const nsStyleBorder& aCopy)
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{
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// border values not inherited
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}
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// --------------------
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// nsStyleList
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//
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struct StyleListImpl: public nsStyleList {
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StyleListImpl(void)
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{
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mListStyleType = NS_STYLE_LIST_STYLE_BASIC;
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mListStylePosition = NS_STYLE_LIST_STYLE_POSITION_OUTSIDE;
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}
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~StyleListImpl(void)
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{
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}
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virtual const nsID& GetID(void)
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{ return kStyleListSID; }
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virtual void InheritFrom(const nsStyleList& aCopy);
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};
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void StyleListImpl::InheritFrom(const nsStyleList& aCopy)
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{
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mListStyleType = aCopy.mListStyleType;
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mListStyleImage = aCopy.mListStyleImage;
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mListStylePosition = aCopy.mListStylePosition;
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}
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// --------------------
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// nsStyleMolecule
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//
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nsStyleMolecule::nsStyleMolecule()
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{
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}
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nsStyleMolecule::~nsStyleMolecule()
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{
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}
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struct StyleMoleculeImpl : public nsStyleMolecule {
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StyleMoleculeImpl(void)
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{}
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~StyleMoleculeImpl(void)
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{}
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virtual const nsID& GetID(void)
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{ return kStyleMoleculeSID; }
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virtual void InheritFrom(const nsStyleMolecule& aCopy);
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private: // These are not allowed
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StyleMoleculeImpl(const StyleMoleculeImpl& aOther);
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StyleMoleculeImpl& operator=(const StyleMoleculeImpl& aOther);
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};
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void StyleMoleculeImpl::InheritFrom(const nsStyleMolecule& aCopy)
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{
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cursor = aCopy.cursor;
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direction = aCopy.direction;
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textDecoration = aCopy.textDecoration;
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textAlign = aCopy.textAlign;
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whiteSpace = aCopy.whiteSpace;
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// lineHeight = aCopy.lineHeight;
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}
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//----------------------------------------------------------------------
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class StyleContextImpl : public nsIStyleContext {
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public:
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StyleContextImpl(nsIStyleContext* aParent, nsISupportsArray* aRules, nsIPresContext* aPresContext);
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~StyleContextImpl();
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void* operator new(size_t sz) {
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void* rv = new char[sz];
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nsCRT::zero(rv, sz);
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return rv;
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}
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NS_DECL_ISUPPORTS
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virtual nsIStyleContext* GetParent(void) const;
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virtual nsISupportsArray* GetStyleRules(void) const;
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virtual PRBool Equals(const nsIStyleContext* aOther) const;
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virtual PRUint32 HashValue(void) const;
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virtual nsStyleStruct* GetData(const nsIID& aSID);
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virtual void InheritFrom(const StyleContextImpl& aParent);
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virtual void PostProcessData(void);
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virtual void HackStyleFor(nsIPresContext* aPresContext,
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nsIContent* aContent,
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nsIFrame* aFrame);
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nsIStyleContext* mParent;
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PRUint32 mHashValid: 1;
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PRUint32 mHashValue: 31;
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nsISupportsArray* mRules;
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// the style data...
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StyleFontImpl mFont;
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StyleColorImpl mColor;
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StyleSpacingImpl mSpacing;
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StyleBorderImpl mBorder;
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StyleListImpl mList;
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// xxx backward support hack
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StyleMoleculeImpl mMolecule;
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};
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#ifdef DEBUG_REFS
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static PRInt32 gInstanceCount;
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#endif
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StyleContextImpl::StyleContextImpl(nsIStyleContext* aParent, nsISupportsArray* aRules,
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nsIPresContext* aPresContext)
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: mParent(aParent), // weak ref
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mRules(aRules),
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mFont(aPresContext->GetDefaultFont()),
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mColor(),
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mSpacing(),
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mBorder(),
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mList(),
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mMolecule()
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{
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NS_INIT_REFCNT();
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NS_IF_ADDREF(mRules);
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if (nsnull != aParent) {
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InheritFrom((StyleContextImpl&)*aParent);
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}
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if (nsnull != mRules) {
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PRInt32 index = mRules->Count();
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while (0 < index) {
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nsIStyleRule* rule = (nsIStyleRule*)mRules->ElementAt(--index);
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rule->MapStyleInto(this, aPresContext);
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NS_RELEASE(rule);
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}
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}
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#ifdef DEBUG_REFS
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++gInstanceCount;
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fprintf(stdout, "%d + StyleContext\n", gInstanceCount);
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#endif
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}
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StyleContextImpl::~StyleContextImpl()
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{
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mParent = nsnull; // weak ref
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NS_IF_RELEASE(mRules);
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#ifdef DEBUG_REFS
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--gInstanceCount;
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fprintf(stdout, "%d - StyleContext\n", gInstanceCount);
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#endif
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}
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NS_IMPL_ISUPPORTS(StyleContextImpl, kIStyleContextIID)
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nsIStyleContext* StyleContextImpl::GetParent(void) const
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{
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NS_IF_ADDREF(mParent);
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return mParent;
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}
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nsISupportsArray* StyleContextImpl::GetStyleRules(void) const
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{
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NS_IF_ADDREF(mRules);
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return mRules;
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}
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PRBool StyleContextImpl::Equals(const nsIStyleContext* aOther) const
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{
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PRBool result = PR_TRUE;
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const StyleContextImpl* other = (StyleContextImpl*)aOther;
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if (other != this) {
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if (mParent != other->mParent) {
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result = PR_FALSE;
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}
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else {
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if ((nsnull != mRules) && (nsnull != other->mRules)) {
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result = mRules->Equals(other->mRules);
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}
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else {
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result = PRBool((nsnull == mRules) && (nsnull == other->mRules));
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}
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}
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}
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return result;
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}
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PRUint32 StyleContextImpl::HashValue(void) const
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{
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if (0 == mHashValid) {
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((StyleContextImpl*)this)->mHashValue = ((nsnull != mParent) ? mParent->HashValue() : 0);
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if (nsnull != mRules) {
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PRInt32 index = mRules->Count();
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while (0 <= --index) {
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nsIStyleRule* rule = (nsIStyleRule*)mRules->ElementAt(index);
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PRUint32 hash = rule->HashValue();
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((StyleContextImpl*)this)->mHashValue ^= (hash & 0x7FFFFFFF);
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NS_RELEASE(rule);
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}
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}
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((StyleContextImpl*)this)->mHashValid = 1;
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}
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return mHashValue;
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}
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nsStyleStruct* StyleContextImpl::GetData(const nsIID& aSID)
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{
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if (aSID.Equals(kStyleFontSID)) {
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return &mFont;
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}
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if (aSID.Equals(kStyleColorSID)) {
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return &mColor;
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}
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if (aSID.Equals(kStyleSpacingSID)) {
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return &mSpacing;
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}
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if (aSID.Equals(kStyleBorderSID)) {
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return &mBorder;
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}
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if (aSID.Equals(kStyleListSID)) {
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return &mList;
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}
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if (aSID.Equals(kStyleMoleculeSID)) {
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return &mMolecule;
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}
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return nsnull;
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}
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void StyleContextImpl::InheritFrom(const StyleContextImpl& aParent)
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{
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mFont.InheritFrom(aParent.mFont);
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mColor.InheritFrom(aParent.mColor);
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mSpacing.InheritFrom(aParent.mSpacing);
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mBorder.InheritFrom(aParent.mBorder);
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mList.InheritFrom(aParent.mList);
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mMolecule.InheritFrom(aParent.mMolecule);
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}
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static void CalcBorderSize(nscoord& aSize, PRUint8 aFlag)
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{
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static const nscoord kBorderSize[3] = // XXX need real numbers here (this is probably wrong anyway)
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{ NS_POINTS_TO_TWIPS_INT(1),
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NS_POINTS_TO_TWIPS_INT(3),
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NS_POINTS_TO_TWIPS_INT(5) };
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if (aFlag < NS_STYLE_BORDER_WIDTH_LENGTH_VALUE) {
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aSize = kBorderSize[aFlag];
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}
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}
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void StyleContextImpl::PostProcessData(void)
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{
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CalcBorderSize(mBorder.mSize.top, mBorder.mSizeFlag[NS_SIDE_TOP]);
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CalcBorderSize(mBorder.mSize.right, mBorder.mSizeFlag[NS_SIDE_RIGHT]);
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CalcBorderSize(mBorder.mSize.bottom, mBorder.mSizeFlag[NS_SIDE_BOTTOM]);
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CalcBorderSize(mBorder.mSize.left, mBorder.mSizeFlag[NS_SIDE_LEFT]);
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mSpacing.mBorder = mBorder.mSize;
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mSpacing.mBorderPadding = mSpacing.mPadding;
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mSpacing.mBorderPadding += mBorder.mSize;
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// XXX hack fill in molecule
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mMolecule.border = mBorder.mSize;
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mMolecule.margin = mSpacing.mMargin;
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mMolecule.borderPadding = mSpacing.mBorderPadding;
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}
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void StyleContextImpl::HackStyleFor(nsIPresContext* aPresContext,
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nsIContent* aContent,
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nsIFrame* aParentFrame)
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{
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mMolecule.display = NS_STYLE_DISPLAY_BLOCK;
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mMolecule.whiteSpace = NS_STYLE_WHITESPACE_NORMAL;
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mMolecule.verticalAlign = NS_STYLE_VERTICAL_ALIGN_BASELINE;
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mMolecule.textAlign = NS_STYLE_TEXT_ALIGN_LEFT;
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mMolecule.floats = 0;
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// XXX If it's a B guy then make it inline
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nsIAtom* tag = aContent->GetTag();
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nsAutoString buf;
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if (tag != nsnull) {
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tag->ToString(buf);
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NS_RELEASE(tag);
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if (buf.EqualsIgnoreCase("B")) {
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// float p2t = aPresContext->GetPixelsToTwips();
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mMolecule.display = NS_STYLE_DISPLAY_INLINE;
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} else if (buf.EqualsIgnoreCase("A")) {
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mMolecule.display = NS_STYLE_DISPLAY_INLINE;
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mMolecule.cursor = NS_STYLE_CURSOR_HAND;
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} else if (buf.EqualsIgnoreCase("BR")) {
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mMolecule.display = NS_STYLE_DISPLAY_INLINE;
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nsString align("CLEAR");
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nsString value;
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if (eContentAttr_HasValue == aContent->GetAttribute(align, value)) {
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if (0 == value.Compare("left", PR_TRUE)) {
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mMolecule.clear = NS_STYLE_CLEAR_LEFT;
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} else if (0 == value.Compare("right", PR_TRUE)) {
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mMolecule.clear = NS_STYLE_CLEAR_RIGHT;
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} else if (0 == value.Compare("all", PR_TRUE)) {
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mMolecule.clear = NS_STYLE_CLEAR_BOTH;
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}
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}
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} else if (buf.EqualsIgnoreCase("SPACER")) {
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mMolecule.display = NS_STYLE_DISPLAY_INLINE;
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} else if (buf.EqualsIgnoreCase("WBR")) {
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mMolecule.display = NS_STYLE_DISPLAY_INLINE;
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} else if (buf.EqualsIgnoreCase("INPUT")) {
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mMolecule.display = NS_STYLE_DISPLAY_INLINE;
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} else if (buf.EqualsIgnoreCase("I")) {
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mMolecule.display = NS_STYLE_DISPLAY_INLINE;
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} else if (buf.EqualsIgnoreCase("S")) {
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mMolecule.display = NS_STYLE_DISPLAY_INLINE;
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} else if (buf.EqualsIgnoreCase("PRE")) {
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mMolecule.whiteSpace = NS_STYLE_WHITESPACE_PRE;
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mSpacing.mMargin.top = NS_POINTS_TO_TWIPS_INT(3);
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mSpacing.mMargin.bottom = NS_POINTS_TO_TWIPS_INT(3);
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} else if (buf.EqualsIgnoreCase("U")) {
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mMolecule.display = NS_STYLE_DISPLAY_INLINE;
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} else if (buf.EqualsIgnoreCase("FONT")) {
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mMolecule.display = NS_STYLE_DISPLAY_INLINE;
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} else if (buf.EqualsIgnoreCase("THREED")) {
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mMolecule.display = NS_STYLE_DISPLAY_INLINE;
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mFont.mThreeD = 1;
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} else if (buf.EqualsIgnoreCase("TT")) {
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mMolecule.display = NS_STYLE_DISPLAY_INLINE;
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} else if (buf.EqualsIgnoreCase("IMG")) {
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float p2t = aPresContext->GetPixelsToTwips();
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mMolecule.display = NS_STYLE_DISPLAY_INLINE;
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mSpacing.mPadding.top = nscoord(2 * p2t);
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mSpacing.mPadding.right = nscoord(2 * p2t);
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mSpacing.mPadding.bottom = nscoord(2 * p2t);
|
|
mSpacing.mPadding.left = nscoord(2 * p2t);
|
|
nsString align("ALIGN");
|
|
nsString value;
|
|
if (eContentAttr_HasValue == aContent->GetAttribute(align, value)) {
|
|
if (0 == value.Compare("left", PR_TRUE)) {
|
|
mMolecule.floats = NS_STYLE_FLOAT_LEFT;
|
|
} else if (0 == value.Compare("right", PR_TRUE)) {
|
|
mMolecule.floats = NS_STYLE_FLOAT_RIGHT;
|
|
}
|
|
}
|
|
} else if (buf.EqualsIgnoreCase("P")) {
|
|
nsString align("align");
|
|
nsString value;
|
|
if (eContentAttr_NotThere != aContent->GetAttribute(align, value)) {
|
|
if (0 == value.Compare("center", PR_TRUE)) {
|
|
mMolecule.textAlign = NS_STYLE_TEXT_ALIGN_CENTER;
|
|
}
|
|
if (0 == value.Compare("right", PR_TRUE)) {
|
|
mMolecule.textAlign = NS_STYLE_TEXT_ALIGN_RIGHT;
|
|
}
|
|
}
|
|
// mSpacing.mMargin.top = NS_POINTS_TO_TWIPS_INT(2);
|
|
// mSpacing.mMargin.bottom = NS_POINTS_TO_TWIPS_INT(2);
|
|
} else if (buf.EqualsIgnoreCase("BODY")) {
|
|
float p2t = aPresContext->GetPixelsToTwips();
|
|
mSpacing.mPadding.top = nscoord(5 * p2t);
|
|
mSpacing.mPadding.right = nscoord(5 * p2t);
|
|
mSpacing.mPadding.bottom = nscoord(5 * p2t);
|
|
mSpacing.mPadding.left = nscoord(5 * p2t);
|
|
mBorder.mSize.top = nscoord(1 * p2t);
|
|
mBorder.mSize.right = nscoord(1 * p2t);
|
|
mBorder.mSize.bottom = nscoord(1 * p2t);
|
|
mBorder.mSize.left = nscoord(1 * p2t);
|
|
for (int i = 0; i < 4; i++) {
|
|
mBorder.mStyle[i] = NS_STYLE_BORDER_STYLE_SOLID;
|
|
mBorder.mColor[i] = NS_RGB(0, 255, 0);
|
|
}
|
|
} else if (buf.EqualsIgnoreCase("LI")) {
|
|
mMolecule.display = NS_STYLE_DISPLAY_LIST_ITEM;
|
|
} else if (buf.EqualsIgnoreCase("UL") || buf.EqualsIgnoreCase("OL")) {
|
|
float p2t = aPresContext->GetPixelsToTwips();
|
|
mSpacing.mPadding.left = nscoord(40 * p2t);
|
|
mSpacing.mMargin.top = NS_POINTS_TO_TWIPS_INT(5);
|
|
mSpacing.mMargin.bottom = NS_POINTS_TO_TWIPS_INT(5);
|
|
} else if (buf.EqualsIgnoreCase("TABLE")) { // TABLE
|
|
mBorder.mSize.top = NS_POINTS_TO_TWIPS_INT(1);
|
|
mBorder.mSize.bottom = NS_POINTS_TO_TWIPS_INT(1);
|
|
mBorder.mSize.right = NS_POINTS_TO_TWIPS_INT(1);
|
|
mBorder.mSize.left = NS_POINTS_TO_TWIPS_INT(1);
|
|
mBorder.mStyle[0] = mBorder.mStyle[1] =
|
|
mBorder.mStyle[2] = mBorder.mStyle[3] = NS_STYLE_BORDER_STYLE_SOLID;
|
|
mMolecule.fixedWidth = -1;
|
|
mMolecule.proportionalWidth = -1;
|
|
nsString align("ALIGN");
|
|
nsString value;
|
|
if (eContentAttr_HasValue == aContent->GetAttribute(align, value)) {
|
|
if (0 == value.Compare("left", PR_TRUE)) {
|
|
mMolecule.floats = NS_STYLE_FLOAT_LEFT;
|
|
} else if (0 == value.Compare("right", PR_TRUE)) {
|
|
mMolecule.floats = NS_STYLE_FLOAT_RIGHT;
|
|
}
|
|
}
|
|
} else if (buf.EqualsIgnoreCase("CAPTION")) { // CAPTION
|
|
mMolecule.verticalAlign = NS_STYLE_VERTICAL_ALIGN_TOP;
|
|
} else if (buf.EqualsIgnoreCase("TBODY")) { // TBODY
|
|
mSpacing.mPadding.top = NS_POINTS_TO_TWIPS_INT(0);
|
|
mSpacing.mPadding.bottom = NS_POINTS_TO_TWIPS_INT(0);
|
|
mSpacing.mPadding.right = NS_POINTS_TO_TWIPS_INT(0);
|
|
mSpacing.mPadding.left = NS_POINTS_TO_TWIPS_INT(0);
|
|
} else if (buf.EqualsIgnoreCase("TR")) { // TROW
|
|
mSpacing.mPadding.top = NS_POINTS_TO_TWIPS_INT(0);
|
|
mSpacing.mPadding.bottom = NS_POINTS_TO_TWIPS_INT(0);
|
|
mSpacing.mPadding.right = NS_POINTS_TO_TWIPS_INT(0);
|
|
mSpacing.mPadding.left = NS_POINTS_TO_TWIPS_INT(0);
|
|
} else if (buf.EqualsIgnoreCase("TD")) { // TD
|
|
float p2t = aPresContext->GetPixelsToTwips();
|
|
|
|
|
|
// Set padding to twenty for testing purposes
|
|
int cellPadding = 1;
|
|
if (gsDebug==PR_TRUE)
|
|
cellPadding = 20;
|
|
mMolecule.verticalAlign = NS_STYLE_VERTICAL_ALIGN_MIDDLE;
|
|
|
|
mSpacing.mPadding.top = NS_POINTS_TO_TWIPS_INT(cellPadding);
|
|
mSpacing.mPadding.bottom = NS_POINTS_TO_TWIPS_INT(cellPadding);
|
|
mSpacing.mPadding.right = NS_POINTS_TO_TWIPS_INT(cellPadding);
|
|
mSpacing.mPadding.left = NS_POINTS_TO_TWIPS_INT(cellPadding);
|
|
mBorder.mSize.top = nscoord(1 * p2t);
|
|
mBorder.mSize.right = nscoord(1 * p2t);
|
|
mBorder.mSize.bottom = nscoord(1 * p2t);
|
|
mBorder.mSize.left = nscoord(1 * p2t);
|
|
for (int i = 0; i < 4; i++) {
|
|
mBorder.mStyle[i] = NS_STYLE_BORDER_STYLE_SOLID;
|
|
mBorder.mColor[i] = NS_RGB(128, 128, 128);
|
|
}
|
|
mMolecule.fixedWidth = -1;
|
|
mMolecule.proportionalWidth = -1;
|
|
mMolecule.fixedHeight = -1;
|
|
mMolecule.proportionalHeight = -1;
|
|
|
|
} else if (buf.EqualsIgnoreCase("COL")) {
|
|
mMolecule.fixedWidth = -1;
|
|
mMolecule.proportionalWidth = -1;
|
|
mMolecule.fixedHeight = -1;
|
|
mMolecule.proportionalHeight = -1;
|
|
}
|
|
} else {
|
|
// It's text (!)
|
|
mMolecule.display = NS_STYLE_DISPLAY_INLINE;
|
|
mMolecule.cursor = NS_STYLE_CURSOR_IBEAM;
|
|
nsIContent* content;
|
|
|
|
aParentFrame->GetContent(content);
|
|
nsIAtom* parentTag = content->GetTag();
|
|
parentTag->ToString(buf);
|
|
NS_RELEASE(content);
|
|
NS_RELEASE(parentTag);
|
|
if (buf.EqualsIgnoreCase("B")) {
|
|
} else if (buf.EqualsIgnoreCase("A")) {
|
|
// This simulates a <PRE><A>text inheritance rule
|
|
// Check the parent of the A
|
|
nsIFrame* parentParentFrame;
|
|
|
|
aParentFrame->GetGeometricParent(parentParentFrame);
|
|
if (nsnull != parentParentFrame) {
|
|
nsIContent* parentParentContent;
|
|
|
|
parentParentFrame->GetContent(parentParentContent);
|
|
nsIAtom* parentParentTag = parentParentContent->GetTag();
|
|
parentParentTag->ToString(buf);
|
|
NS_RELEASE(parentParentTag);
|
|
NS_RELEASE(parentParentContent);
|
|
if (buf.EqualsIgnoreCase("PRE")) {
|
|
mMolecule.whiteSpace = NS_STYLE_WHITESPACE_PRE;
|
|
}
|
|
}
|
|
} else if (buf.EqualsIgnoreCase("THREED")) {
|
|
mFont.mThreeD = 1;
|
|
} else if (buf.EqualsIgnoreCase("I")) {
|
|
} else if (buf.EqualsIgnoreCase("BLINK")) {
|
|
} else if (buf.EqualsIgnoreCase("TT")) {
|
|
} else if (buf.EqualsIgnoreCase("S")) {
|
|
} else if (buf.EqualsIgnoreCase("U")) {
|
|
} else if (buf.EqualsIgnoreCase("PRE")) {
|
|
mMolecule.whiteSpace = NS_STYLE_WHITESPACE_PRE;
|
|
}
|
|
}
|
|
|
|
#if 0
|
|
if ((NS_STYLE_DISPLAY_BLOCK == mMolecule.display) ||
|
|
(NS_STYLE_DISPLAY_LIST_ITEM == mMolecule.display)) {
|
|
// Always justify text (take that ie)
|
|
mMolecule.textAlign = NS_STYLE_TEXT_ALIGN_JUSTIFY;
|
|
}
|
|
#endif
|
|
|
|
|
|
}
|
|
|
|
NS_LAYOUT nsresult
|
|
NS_NewStyleContext(nsIStyleContext** aInstancePtrResult,
|
|
nsISupportsArray* aRules,
|
|
nsIPresContext* aPresContext,
|
|
nsIContent* aContent,
|
|
nsIFrame* aParentFrame)
|
|
{
|
|
NS_PRECONDITION(nsnull != aInstancePtrResult, "null ptr");
|
|
if (nsnull == aInstancePtrResult) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
nsIStyleContext* parent = nsnull;
|
|
if (nsnull != aParentFrame) {
|
|
aParentFrame->GetStyleContext(aPresContext, parent);
|
|
NS_ASSERTION(nsnull != parent, "parent frame must have style context");
|
|
}
|
|
|
|
StyleContextImpl* context = new StyleContextImpl(parent, aRules, aPresContext);
|
|
NS_IF_RELEASE(parent);
|
|
if (nsnull == context) {
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
context->HackStyleFor(aPresContext, aContent, aParentFrame);
|
|
context->PostProcessData();
|
|
|
|
return context->QueryInterface(kIStyleContextIID, (void **) aInstancePtrResult);
|
|
}
|