зеркало из https://github.com/mozilla/pjs.git
2078 строки
58 KiB
C++
2078 строки
58 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 "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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static NS_DEFINE_IID(kIStyleContextIID, NS_ISTYLECONTEXT_IID);
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#define DELETE_ARRAY_IF(array) if (array) { delete[] array; array = nsnull; }
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// --------------------
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// nsStyleFont
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//
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nsStyleFont::nsStyleFont(const nsFont& aVariableFont, const nsFont& aFixedFont)
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: mFont(aVariableFont),
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mFixedFont(aFixedFont)
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{ }
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nsStyleFont::~nsStyleFont(void) { }
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struct StyleFontImpl : public nsStyleFont {
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StyleFontImpl(const nsFont& aVariableFont, const nsFont& aFixedFont)
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: nsStyleFont(aVariableFont, aFixedFont)
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{}
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void ResetFrom(const nsStyleFont* aParent, nsIPresContext* aPresContext);
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PRInt32 CalcDifference(const StyleFontImpl& aOther) const;
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static PRInt32 CalcFontDifference(const nsFont& aFont1, const nsFont& aFont2);
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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::ResetFrom(const nsStyleFont* aParent, nsIPresContext* aPresContext)
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{
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if (nsnull != aParent) {
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mFont = aParent->mFont;
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mFixedFont = aParent->mFixedFont;
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mFlags = aParent->mFlags;
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}
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else {
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aPresContext->GetDefaultFont(mFont);
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aPresContext->GetDefaultFixedFont(mFixedFont);
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mFlags = NS_STYLE_FONT_DEFAULT;
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}
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}
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PRInt32 StyleFontImpl::CalcDifference(const StyleFontImpl& aOther) const
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{
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if (mFlags == aOther.mFlags) {
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PRInt32 impact = CalcFontDifference(mFont, aOther.mFont);
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if (impact < NS_STYLE_HINT_REFLOW) {
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impact = CalcFontDifference(mFixedFont, aOther.mFixedFont);
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}
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return impact;
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}
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return NS_STYLE_HINT_REFLOW;
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}
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PRInt32 StyleFontImpl::CalcFontDifference(const nsFont& aFont1, const nsFont& aFont2)
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{
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if ((aFont1.size == aFont2.size) &&
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(aFont1.style == aFont2.style) &&
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(aFont1.variant == aFont2.variant) &&
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(aFont1.weight == aFont2.weight) &&
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(aFont1.name == aFont2.name)) {
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if ((aFont1.decorations == aFont2.decorations)) {
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return NS_STYLE_HINT_NONE;
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}
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return NS_STYLE_HINT_VISUAL;
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}
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return NS_STYLE_HINT_REFLOW;
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}
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// --------------------
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// nsStyleColor
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//
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nsStyleColor::nsStyleColor(void) { }
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nsStyleColor::~nsStyleColor(void) { }
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struct StyleColorImpl: public nsStyleColor {
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StyleColorImpl(void) { }
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void ResetFrom(const nsStyleColor* aParent, nsIPresContext* aPresContext);
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PRInt32 CalcDifference(const StyleColorImpl& aOther) const;
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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::ResetFrom(const nsStyleColor* aParent, nsIPresContext* aPresContext)
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{
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if (nsnull != aParent) {
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mColor = aParent->mColor;
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mOpacity = aParent->mOpacity;
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}
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else {
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if (nsnull != aPresContext) {
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aPresContext->GetDefaultColor(&mColor);
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}
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else {
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mColor = NS_RGB(0x00, 0x00, 0x00);
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}
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mOpacity = 1.0f;
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}
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mBackgroundFlags = NS_STYLE_BG_COLOR_TRANSPARENT | NS_STYLE_BG_IMAGE_NONE;
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if (nsnull != aPresContext) {
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aPresContext->GetDefaultBackgroundColor(&mBackgroundColor);
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aPresContext->GetDefaultBackgroundImageAttachment(&mBackgroundAttachment);
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aPresContext->GetDefaultBackgroundImageRepeat(&mBackgroundRepeat);
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aPresContext->GetDefaultBackgroundImageOffset(&mBackgroundXPosition, &mBackgroundYPosition);
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aPresContext->GetDefaultBackgroundImage(mBackgroundImage);
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}
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else {
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mBackgroundColor = NS_RGB(192,192,192);
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mBackgroundAttachment = NS_STYLE_BG_ATTACHMENT_SCROLL;
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mBackgroundRepeat = NS_STYLE_BG_REPEAT_XY;
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mBackgroundXPosition = 0;
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mBackgroundYPosition = 0;
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}
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mCursor = NS_STYLE_CURSOR_AUTO;
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}
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PRInt32 StyleColorImpl::CalcDifference(const StyleColorImpl& aOther) const
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{
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if ((mColor == aOther.mColor) &&
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(mBackgroundAttachment == aOther.mBackgroundAttachment) &&
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(mBackgroundFlags == aOther.mBackgroundFlags) &&
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(mBackgroundRepeat == aOther.mBackgroundRepeat) &&
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(mBackgroundColor == aOther.mBackgroundColor) &&
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(mBackgroundXPosition == aOther.mBackgroundXPosition) &&
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(mBackgroundYPosition == aOther.mBackgroundYPosition) &&
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(mBackgroundImage == aOther.mBackgroundImage) &&
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(mCursor == aOther.mCursor) &&
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(mCursorImage == aOther.mCursorImage) &&
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(mOpacity == aOther.mOpacity)) {
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return NS_STYLE_HINT_NONE;
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}
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return NS_STYLE_HINT_VISUAL;
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}
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// --------------------
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// nsStyleSpacing
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//
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// XXX this is here to support deprecated calc spacing methods only
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static nscoord kBorderWidths[3];
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static PRBool kWidthsInitialized = PR_FALSE;
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nsStyleSpacing::nsStyleSpacing(void) { }
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#define NS_SPACING_MARGIN 0
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#define NS_SPACING_PADDING 1
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#define NS_SPACING_BORDER 2
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static nscoord CalcSideFor(const nsIFrame* aFrame, const nsStyleCoord& aCoord,
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PRUint8 aSpacing, PRUint8 aSide,
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const nscoord* aEnumTable, PRInt32 aNumEnums)
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{
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nscoord result = 0;
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switch (aCoord.GetUnit()) {
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case eStyleUnit_Auto:
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// Auto margins are handled by layout
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break;
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case eStyleUnit_Inherit:
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nsIFrame* parentFrame;
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aFrame->GetParent(&parentFrame); // XXX may not be direct parent...
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if (nsnull != parentFrame) {
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nsIStyleContext* parentContext;
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parentFrame->GetStyleContext(&parentContext);
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if (nsnull != parentContext) {
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const nsStyleSpacing* parentSpacing = (const nsStyleSpacing*)parentContext->GetStyleData(eStyleStruct_Spacing);
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nsMargin parentMargin;
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switch (aSpacing) {
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case NS_SPACING_MARGIN: parentSpacing->CalcMarginFor(parentFrame, parentMargin);
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break;
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case NS_SPACING_PADDING: parentSpacing->CalcPaddingFor(parentFrame, parentMargin);
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break;
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case NS_SPACING_BORDER: parentSpacing->CalcBorderFor(parentFrame, parentMargin);
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break;
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}
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switch (aSide) {
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case NS_SIDE_LEFT: result = parentMargin.left; break;
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case NS_SIDE_TOP: result = parentMargin.top; break;
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case NS_SIDE_RIGHT: result = parentMargin.right; break;
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case NS_SIDE_BOTTOM: result = parentMargin.bottom; break;
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}
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NS_RELEASE(parentContext);
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}
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}
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break;
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case eStyleUnit_Percent:
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{
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nscoord baseWidth = 0;
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PRBool isBase = PR_FALSE;
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nsIFrame* frame;
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aFrame->GetParent(&frame);
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while (nsnull != frame) {
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frame->IsPercentageBase(isBase);
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if (isBase) {
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nsSize size;
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frame->GetSize(size);
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baseWidth = size.width; // not really width, need to subtract out padding...
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break;
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}
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frame->GetParent(&frame);
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}
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result = (nscoord)((float)baseWidth * aCoord.GetPercentValue());
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}
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break;
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case eStyleUnit_Coord:
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result = aCoord.GetCoordValue();
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break;
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case eStyleUnit_Enumerated:
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if (nsnull != aEnumTable) {
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PRInt32 value = aCoord.GetIntValue();
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if ((0 <= value) && (value < aNumEnums)) {
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return aEnumTable[aCoord.GetIntValue()];
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}
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}
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break;
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case eStyleUnit_Null:
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case eStyleUnit_Normal:
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case eStyleUnit_Integer:
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case eStyleUnit_Proportional:
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default:
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result = 0;
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break;
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}
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if ((NS_SPACING_PADDING == aSpacing) || (NS_SPACING_BORDER == aSpacing)) {
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if (result < 0) {
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result = 0;
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}
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}
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return result;
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}
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static void CalcSidesFor(const nsIFrame* aFrame, const nsStyleSides& aSides,
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PRUint8 aSpacing,
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const nscoord* aEnumTable, PRInt32 aNumEnums,
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nsMargin& aResult)
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{
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nsStyleCoord coord;
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aResult.left = CalcSideFor(aFrame, aSides.GetLeft(coord), aSpacing, NS_SIDE_LEFT,
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aEnumTable, aNumEnums);
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aResult.top = CalcSideFor(aFrame, aSides.GetTop(coord), aSpacing, NS_SIDE_TOP,
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aEnumTable, aNumEnums);
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aResult.right = CalcSideFor(aFrame, aSides.GetRight(coord), aSpacing, NS_SIDE_RIGHT,
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aEnumTable, aNumEnums);
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aResult.bottom = CalcSideFor(aFrame, aSides.GetBottom(coord), aSpacing, NS_SIDE_BOTTOM,
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aEnumTable, aNumEnums);
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}
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void nsStyleSpacing::CalcMarginFor(const nsIFrame* aFrame, nsMargin& aMargin) const
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{
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if (mHasCachedMargin) {
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aMargin = mCachedMargin;
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}
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else {
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CalcSidesFor(aFrame, mMargin, NS_SPACING_MARGIN, nsnull, 0, aMargin);
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}
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}
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void nsStyleSpacing::CalcPaddingFor(const nsIFrame* aFrame, nsMargin& aPadding) const
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{
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if (mHasCachedPadding) {
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aPadding = mCachedPadding;
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}
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else {
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CalcSidesFor(aFrame, mPadding, NS_SPACING_PADDING, nsnull, 0, aPadding);
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}
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}
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void nsStyleSpacing::CalcBorderFor(const nsIFrame* aFrame, nsMargin& aBorder) const
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{
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if (mHasCachedBorder) {
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aBorder = mCachedBorder;
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}
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else {
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CalcSidesFor(aFrame, mBorder, NS_SPACING_BORDER, kBorderWidths, 3, aBorder);
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}
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}
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void nsStyleSpacing::CalcBorderPaddingFor(const nsIFrame* aFrame, nsMargin& aBorderPadding) const
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{
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if (mHasCachedPadding && mHasCachedBorder) {
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aBorderPadding = mCachedBorderPadding;
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}
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else {
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nsMargin border;
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CalcBorderFor(aFrame, border);
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CalcPaddingFor(aFrame, aBorderPadding);
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aBorderPadding += border;
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}
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}
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PRBool nsStyleSpacing::GetMargin(nsMargin& aMargin) const
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{
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if (mHasCachedMargin) {
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aMargin = mCachedMargin;
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return PR_TRUE;
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}
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return PR_FALSE;
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}
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PRBool nsStyleSpacing::GetPadding(nsMargin& aPadding) const
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{
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if (mHasCachedPadding) {
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aPadding = mCachedPadding;
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return PR_TRUE;
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}
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return PR_FALSE;
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}
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PRBool nsStyleSpacing::GetBorder(nsMargin& aBorder) const
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{
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if (mHasCachedBorder) {
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aBorder = mCachedBorder;
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return PR_TRUE;
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}
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return PR_FALSE;
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}
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PRBool nsStyleSpacing::GetBorderPadding(nsMargin& aBorderPadding) const
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{
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if (mHasCachedPadding && mHasCachedBorder) {
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aBorderPadding = mCachedBorderPadding;
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return PR_TRUE;
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}
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return PR_FALSE;
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}
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#define BORDER_COLOR_DEFINED 0x80
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#define BORDER_COLOR_SPECIAL 0x40
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#define BORDER_STYLE_MASK 0x3F
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PRUint8 nsStyleSpacing::GetBorderStyle(PRUint8 aSide) const
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{
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NS_ASSERTION(aSide <= NS_SIDE_LEFT, "bad side");
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return (mBorderStyle[aSide] & BORDER_STYLE_MASK);
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}
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void nsStyleSpacing::SetBorderStyle(PRUint8 aSide, PRUint8 aStyle)
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{
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NS_ASSERTION(aSide <= NS_SIDE_LEFT, "bad side");
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mBorderStyle[aSide] &= ~BORDER_STYLE_MASK;
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mBorderStyle[aSide] |= (aStyle & BORDER_STYLE_MASK);
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}
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PRBool nsStyleSpacing::GetBorderColor(PRUint8 aSide, nscolor& aColor) const
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{
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NS_ASSERTION(aSide <= NS_SIDE_LEFT, "bad side");
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if ((mBorderStyle[aSide] & BORDER_COLOR_SPECIAL) == 0) {
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aColor = mBorderColor[aSide];
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return PR_TRUE;
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}
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return PR_FALSE;
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}
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void nsStyleSpacing::SetBorderColor(PRUint8 aSide, nscolor aColor)
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{
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NS_ASSERTION(aSide <= NS_SIDE_LEFT, "bad side");
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mBorderColor[aSide] = aColor;
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mBorderStyle[aSide] &= ~BORDER_COLOR_SPECIAL;
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mBorderStyle[aSide] |= BORDER_COLOR_DEFINED;
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}
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void nsStyleSpacing::SetBorderTransparent(PRUint8 aSide)
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{
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NS_ASSERTION(aSide <= NS_SIDE_LEFT, "bad side");
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mBorderStyle[aSide] |= (BORDER_COLOR_DEFINED | BORDER_COLOR_SPECIAL);
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}
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void nsStyleSpacing::UnsetBorderColor(PRUint8 aSide)
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{
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NS_ASSERTION(aSide <= NS_SIDE_LEFT, "bad side");
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mBorderStyle[aSide] &= BORDER_STYLE_MASK;
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}
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PRBool nsStyleSpacing::GetOutlineWidth(nscoord& aWidth) const
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{
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if (mHasCachedOutline) {
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aWidth = mCachedOutlineWidth;
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return PR_TRUE;
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}
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return PR_FALSE;
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}
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PRUint8 nsStyleSpacing::GetOutlineStyle(void) const
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{
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return (mOutlineStyle & BORDER_STYLE_MASK);
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}
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void nsStyleSpacing::SetOutlineStyle(PRUint8 aStyle)
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{
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mOutlineStyle &= ~BORDER_STYLE_MASK;
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mOutlineStyle |= (aStyle & BORDER_STYLE_MASK);
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}
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PRBool nsStyleSpacing::GetOutlineColor(nscolor& aColor) const
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{
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if ((mOutlineStyle & BORDER_COLOR_SPECIAL) == 0) {
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aColor = mOutlineColor;
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return PR_TRUE;
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}
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return PR_FALSE;
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}
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void nsStyleSpacing::SetOutlineColor(nscolor aColor)
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{
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mOutlineColor = aColor;
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mOutlineStyle &= ~BORDER_COLOR_SPECIAL;
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mOutlineStyle |= BORDER_COLOR_DEFINED;
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}
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void nsStyleSpacing::SetOutlineInvert(void)
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{
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mOutlineStyle |= (BORDER_COLOR_DEFINED | BORDER_COLOR_SPECIAL);
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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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void ResetFrom(const nsStyleSpacing* aParent, nsIPresContext* aPresContext);
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void RecalcData(nsIPresContext* aPresContext, nscolor color);
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PRInt32 CalcDifference(const StyleSpacingImpl& aOther) const;
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};
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void StyleSpacingImpl::ResetFrom(const nsStyleSpacing* aParent, nsIPresContext* aPresContext)
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{
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// XXX support kBorderWidhts until deprecated methods are removed
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if (! kWidthsInitialized) {
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float pixelsToTwips = 20.0f;
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if (aPresContext) {
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aPresContext->GetPixelsToTwips(&pixelsToTwips);
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}
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kBorderWidths[NS_STYLE_BORDER_WIDTH_THIN] = NSIntPixelsToTwips(1, pixelsToTwips);
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kBorderWidths[NS_STYLE_BORDER_WIDTH_MEDIUM] = NSIntPixelsToTwips(3, pixelsToTwips);
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kBorderWidths[NS_STYLE_BORDER_WIDTH_THICK] = NSIntPixelsToTwips(5, pixelsToTwips);
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kWidthsInitialized = PR_TRUE;
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}
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// spacing values not inherited
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mMargin.Reset();
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mPadding.Reset();
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nsStyleCoord medium(NS_STYLE_BORDER_WIDTH_MEDIUM, eStyleUnit_Enumerated);
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mBorder.SetLeft(medium);
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mBorder.SetTop(medium);
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mBorder.SetRight(medium);
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mBorder.SetBottom(medium);
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mBorderStyle[0] = NS_STYLE_BORDER_STYLE_NONE;
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mBorderStyle[1] = NS_STYLE_BORDER_STYLE_NONE;
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mBorderStyle[2] = NS_STYLE_BORDER_STYLE_NONE;
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|
mBorderStyle[3] = NS_STYLE_BORDER_STYLE_NONE;
|
|
|
|
|
|
mBorderColor[0] = NS_RGB(0, 0, 0);
|
|
mBorderColor[1] = NS_RGB(0, 0, 0);
|
|
mBorderColor[2] = NS_RGB(0, 0, 0);
|
|
mBorderColor[3] = NS_RGB(0, 0, 0);
|
|
|
|
mBorderRadius.SetCoordValue(0);
|
|
|
|
mOutlineWidth = medium;
|
|
mOutlineStyle = NS_STYLE_BORDER_STYLE_NONE;
|
|
mOutlineColor = NS_RGB(0, 0, 0);
|
|
|
|
mFloatEdge = NS_STYLE_FLOAT_EDGE_CONTENT;
|
|
|
|
mHasCachedMargin = PR_FALSE;
|
|
mHasCachedPadding = PR_FALSE;
|
|
mHasCachedBorder = PR_FALSE;
|
|
mHasCachedOutline = PR_FALSE;
|
|
}
|
|
|
|
inline PRBool IsFixedUnit(nsStyleUnit aUnit, PRBool aEnumOK)
|
|
{
|
|
return PRBool((aUnit == eStyleUnit_Null) ||
|
|
(aUnit == eStyleUnit_Coord) ||
|
|
(aEnumOK && (aUnit == eStyleUnit_Enumerated)));
|
|
}
|
|
|
|
static PRBool IsFixedData(const nsStyleSides& aSides, PRBool aEnumOK)
|
|
{
|
|
return PRBool(IsFixedUnit(aSides.GetLeftUnit(), aEnumOK) &&
|
|
IsFixedUnit(aSides.GetTopUnit(), aEnumOK) &&
|
|
IsFixedUnit(aSides.GetRightUnit(), aEnumOK) &&
|
|
IsFixedUnit(aSides.GetBottomUnit(), aEnumOK));
|
|
}
|
|
|
|
static nscoord CalcCoord(const nsStyleCoord& aCoord,
|
|
const nscoord* aEnumTable,
|
|
PRInt32 aNumEnums)
|
|
{
|
|
switch (aCoord.GetUnit()) {
|
|
case eStyleUnit_Null:
|
|
return 0;
|
|
case eStyleUnit_Coord:
|
|
return aCoord.GetCoordValue();
|
|
case eStyleUnit_Enumerated:
|
|
if (nsnull != aEnumTable) {
|
|
PRInt32 value = aCoord.GetIntValue();
|
|
if ((0 <= value) && (value < aNumEnums)) {
|
|
return aEnumTable[aCoord.GetIntValue()];
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
NS_ERROR("bad unit type");
|
|
break;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void StyleSpacingImpl::RecalcData(nsIPresContext* aPresContext, nscolor aColor)
|
|
{
|
|
nscoord borderWidths[3];
|
|
float pixelsToTwips = 20.0f;
|
|
if (aPresContext) {
|
|
aPresContext->GetPixelsToTwips(&pixelsToTwips);
|
|
}
|
|
borderWidths[NS_STYLE_BORDER_WIDTH_THIN] = NSIntPixelsToTwips(1, pixelsToTwips);
|
|
borderWidths[NS_STYLE_BORDER_WIDTH_MEDIUM] = NSIntPixelsToTwips(3, pixelsToTwips);
|
|
borderWidths[NS_STYLE_BORDER_WIDTH_THICK] = NSIntPixelsToTwips(5, pixelsToTwips);
|
|
|
|
if (IsFixedData(mMargin, PR_FALSE)) {
|
|
nsStyleCoord coord;
|
|
mCachedMargin.left = CalcCoord(mMargin.GetLeft(coord), nsnull, 0);
|
|
mCachedMargin.top = CalcCoord(mMargin.GetTop(coord), nsnull, 0);
|
|
mCachedMargin.right = CalcCoord(mMargin.GetRight(coord), nsnull, 0);
|
|
mCachedMargin.bottom = CalcCoord(mMargin.GetBottom(coord), nsnull, 0);
|
|
|
|
mHasCachedMargin = PR_TRUE;
|
|
}
|
|
else {
|
|
mHasCachedMargin = PR_FALSE;
|
|
}
|
|
|
|
if (IsFixedData(mPadding, PR_FALSE)) {
|
|
nsStyleCoord coord;
|
|
mCachedPadding.left = CalcCoord(mPadding.GetLeft(coord), nsnull, 0);
|
|
mCachedPadding.top = CalcCoord(mPadding.GetTop(coord), nsnull, 0);
|
|
mCachedPadding.right = CalcCoord(mPadding.GetRight(coord), nsnull, 0);
|
|
mCachedPadding.bottom = CalcCoord(mPadding.GetBottom(coord), nsnull, 0);
|
|
|
|
mHasCachedPadding = PR_TRUE;
|
|
}
|
|
else {
|
|
mHasCachedPadding = PR_FALSE;
|
|
}
|
|
|
|
if (((NS_STYLE_BORDER_STYLE_NONE == GetBorderStyle(NS_SIDE_LEFT))||
|
|
IsFixedUnit(mBorder.GetLeftUnit(), PR_TRUE)) &&
|
|
((NS_STYLE_BORDER_STYLE_NONE == GetBorderStyle(NS_SIDE_TOP)) ||
|
|
IsFixedUnit(mBorder.GetTopUnit(), PR_TRUE)) &&
|
|
((NS_STYLE_BORDER_STYLE_NONE == GetBorderStyle(NS_SIDE_RIGHT)) ||
|
|
IsFixedUnit(mBorder.GetRightUnit(), PR_TRUE)) &&
|
|
((NS_STYLE_BORDER_STYLE_NONE == GetBorderStyle(NS_SIDE_BOTTOM)) ||
|
|
IsFixedUnit(mBorder.GetBottomUnit(), PR_TRUE))) {
|
|
nsStyleCoord coord;
|
|
if (NS_STYLE_BORDER_STYLE_NONE == GetBorderStyle(NS_SIDE_LEFT)) {
|
|
mCachedBorder.left = 0;
|
|
}
|
|
else {
|
|
mCachedBorder.left = CalcCoord(mBorder.GetLeft(coord), borderWidths, 3);
|
|
}
|
|
if (NS_STYLE_BORDER_STYLE_NONE == GetBorderStyle(NS_SIDE_TOP)) {
|
|
mCachedBorder.top = 0;
|
|
}
|
|
else {
|
|
mCachedBorder.top = CalcCoord(mBorder.GetTop(coord), borderWidths, 3);
|
|
}
|
|
if (NS_STYLE_BORDER_STYLE_NONE == GetBorderStyle(NS_SIDE_RIGHT)) {
|
|
mCachedBorder.right = 0;
|
|
}
|
|
else {
|
|
mCachedBorder.right = CalcCoord(mBorder.GetRight(coord), borderWidths, 3);
|
|
}
|
|
if (NS_STYLE_BORDER_STYLE_NONE == GetBorderStyle(NS_SIDE_BOTTOM)) {
|
|
mCachedBorder.bottom = 0;
|
|
}
|
|
else {
|
|
mCachedBorder.bottom = CalcCoord(mBorder.GetBottom(coord), borderWidths, 3);
|
|
}
|
|
|
|
mHasCachedBorder = PR_TRUE;
|
|
}
|
|
else {
|
|
mHasCachedBorder = PR_FALSE;
|
|
}
|
|
|
|
if (mHasCachedBorder && mHasCachedPadding) {
|
|
mCachedBorderPadding = mCachedPadding;
|
|
mCachedBorderPadding += mCachedBorder;
|
|
}
|
|
|
|
if ((mBorderStyle[NS_SIDE_TOP] & BORDER_COLOR_DEFINED) == 0) {
|
|
mBorderColor[NS_SIDE_TOP] = aColor;
|
|
}
|
|
if ((mBorderStyle[NS_SIDE_BOTTOM] & BORDER_COLOR_DEFINED) == 0) {
|
|
mBorderColor[NS_SIDE_BOTTOM] = aColor;
|
|
}
|
|
if ((mBorderStyle[NS_SIDE_LEFT]& BORDER_COLOR_DEFINED) == 0) {
|
|
mBorderColor[NS_SIDE_LEFT] = aColor;
|
|
}
|
|
if ((mBorderStyle[NS_SIDE_RIGHT] & BORDER_COLOR_DEFINED) == 0) {
|
|
mBorderColor[NS_SIDE_RIGHT] = aColor;
|
|
}
|
|
|
|
if ((NS_STYLE_BORDER_STYLE_NONE == GetOutlineStyle()) ||
|
|
IsFixedUnit(mOutlineWidth.GetUnit(), PR_TRUE)) {
|
|
if (NS_STYLE_BORDER_STYLE_NONE == GetOutlineStyle()) {
|
|
mCachedOutlineWidth = 0;
|
|
}
|
|
else {
|
|
mCachedOutlineWidth = CalcCoord(mOutlineWidth, borderWidths, 3);
|
|
}
|
|
mHasCachedOutline = PR_TRUE;
|
|
}
|
|
else {
|
|
mHasCachedOutline = PR_FALSE;
|
|
}
|
|
}
|
|
|
|
PRInt32 StyleSpacingImpl::CalcDifference(const StyleSpacingImpl& aOther) const
|
|
{
|
|
if ((mMargin == aOther.mMargin) &&
|
|
(mPadding == aOther.mPadding) &&
|
|
(mBorder == aOther.mBorder) &&
|
|
(mFloatEdge == aOther.mFloatEdge)) {
|
|
PRInt32 ix;
|
|
for (ix = 0; ix < 4; ix++) {
|
|
if ((mBorderStyle[ix] != aOther.mBorderStyle[ix]) ||
|
|
(mBorderColor[ix] != aOther.mBorderColor[ix])) {
|
|
if ((mBorderStyle[ix] != aOther.mBorderStyle[ix]) &&
|
|
((NS_STYLE_BORDER_STYLE_NONE == mBorderStyle[ix]) ||
|
|
(NS_STYLE_BORDER_STYLE_NONE == aOther.mBorderStyle[ix]))) {
|
|
return NS_STYLE_HINT_REFLOW; // border on or off
|
|
}
|
|
return NS_STYLE_HINT_VISUAL;
|
|
}
|
|
}
|
|
if ((mOutlineWidth != aOther.mOutlineWidth) ||
|
|
(mOutlineStyle != aOther.mOutlineStyle) ||
|
|
(mOutlineColor != aOther.mOutlineColor) ||
|
|
(mBorderRadius != aOther.mBorderRadius)) {
|
|
return NS_STYLE_HINT_VISUAL;
|
|
}
|
|
return NS_STYLE_HINT_NONE;
|
|
}
|
|
return NS_STYLE_HINT_REFLOW;
|
|
}
|
|
|
|
|
|
// --------------------
|
|
// nsStyleList
|
|
//
|
|
nsStyleList::nsStyleList(void) { }
|
|
nsStyleList::~nsStyleList(void) { }
|
|
|
|
struct StyleListImpl: public nsStyleList {
|
|
StyleListImpl(void) { }
|
|
|
|
void ResetFrom(const nsStyleList* aParent, nsIPresContext* aPresContext);
|
|
PRInt32 CalcDifference(const StyleListImpl& aOther) const;
|
|
};
|
|
|
|
void StyleListImpl::ResetFrom(const nsStyleList* aParent, nsIPresContext* aPresContext)
|
|
{
|
|
if (nsnull != aParent) {
|
|
mListStyleType = aParent->mListStyleType;
|
|
mListStyleImage = aParent->mListStyleImage;
|
|
mListStylePosition = aParent->mListStylePosition;
|
|
}
|
|
else {
|
|
mListStyleType = NS_STYLE_LIST_STYLE_BASIC;
|
|
mListStylePosition = NS_STYLE_LIST_STYLE_POSITION_OUTSIDE;
|
|
mListStyleImage.Truncate();
|
|
}
|
|
}
|
|
|
|
PRInt32 StyleListImpl::CalcDifference(const StyleListImpl& aOther) const
|
|
{
|
|
if (mListStylePosition == aOther.mListStylePosition) {
|
|
if (mListStyleImage == aOther.mListStyleImage) {
|
|
if (mListStyleType == aOther.mListStyleType) {
|
|
return NS_STYLE_HINT_NONE;
|
|
}
|
|
return NS_STYLE_HINT_REFLOW;
|
|
}
|
|
return NS_STYLE_HINT_REFLOW;
|
|
}
|
|
return NS_STYLE_HINT_REFLOW;
|
|
}
|
|
|
|
|
|
// --------------------
|
|
// nsStylePosition
|
|
//
|
|
nsStylePosition::nsStylePosition(void) { }
|
|
|
|
struct StylePositionImpl: public nsStylePosition {
|
|
StylePositionImpl(void) { }
|
|
|
|
void ResetFrom(const nsStylePosition* aParent, nsIPresContext* aPresContext);
|
|
PRInt32 CalcDifference(const StylePositionImpl& aOther) const;
|
|
|
|
private: // These are not allowed
|
|
StylePositionImpl(const StylePositionImpl& aOther);
|
|
StylePositionImpl& operator=(const StylePositionImpl& aOther);
|
|
};
|
|
|
|
void StylePositionImpl::ResetFrom(const nsStylePosition* aParent, nsIPresContext* aPresContext)
|
|
{
|
|
// positioning values not inherited
|
|
mPosition = NS_STYLE_POSITION_NORMAL;
|
|
nsStyleCoord autoCoord(eStyleUnit_Auto);
|
|
mOffset.SetLeft(autoCoord);
|
|
mOffset.SetTop(autoCoord);
|
|
mOffset.SetRight(autoCoord);
|
|
mOffset.SetBottom(autoCoord);
|
|
mWidth.SetAutoValue();
|
|
mMinWidth.SetCoordValue(0);
|
|
mMaxWidth.Reset();
|
|
mHeight.SetAutoValue();
|
|
mMinHeight.SetCoordValue(0);
|
|
mMaxHeight.Reset();
|
|
mBoxSizing = NS_STYLE_BOX_SIZING_CONTENT;
|
|
mZIndex.SetAutoValue();
|
|
}
|
|
|
|
PRInt32 StylePositionImpl::CalcDifference(const StylePositionImpl& aOther) const
|
|
{
|
|
if (mPosition == aOther.mPosition) {
|
|
if ((mOffset == aOther.mOffset) &&
|
|
(mWidth == aOther.mWidth) &&
|
|
(mMinWidth == aOther.mMinWidth) &&
|
|
(mMaxWidth == aOther.mMaxWidth) &&
|
|
(mHeight == aOther.mHeight) &&
|
|
(mMinHeight == aOther.mMinHeight) &&
|
|
(mMaxHeight == aOther.mMaxHeight) &&
|
|
(mBoxSizing == aOther.mBoxSizing) &&
|
|
(mZIndex == aOther.mZIndex)) {
|
|
return NS_STYLE_HINT_NONE;
|
|
}
|
|
return NS_STYLE_HINT_REFLOW;
|
|
}
|
|
return NS_STYLE_HINT_FRAMECHANGE;
|
|
}
|
|
|
|
// --------------------
|
|
// nsStyleText
|
|
//
|
|
|
|
nsStyleText::nsStyleText(void) { }
|
|
|
|
struct StyleTextImpl: public nsStyleText {
|
|
StyleTextImpl(void) { }
|
|
|
|
void ResetFrom(const nsStyleText* aParent, nsIPresContext* aPresContext);
|
|
PRInt32 CalcDifference(const StyleTextImpl& aOther) const;
|
|
};
|
|
|
|
void StyleTextImpl::ResetFrom(const nsStyleText* aParent, nsIPresContext* aPresContext)
|
|
{
|
|
// These properties not inherited
|
|
mTextDecoration = NS_STYLE_TEXT_DECORATION_NONE;
|
|
mVerticalAlign.SetIntValue(NS_STYLE_VERTICAL_ALIGN_BASELINE, eStyleUnit_Enumerated);
|
|
// mVerticalAlign.Reset(); TBI
|
|
|
|
if (nsnull != aParent) {
|
|
mTextAlign = aParent->mTextAlign;
|
|
mTextTransform = aParent->mTextTransform;
|
|
mWhiteSpace = aParent->mWhiteSpace;
|
|
mLetterSpacing = aParent->mLetterSpacing;
|
|
|
|
// Inherit everything except percentage line-height values
|
|
nsStyleUnit unit = aParent->mLineHeight.GetUnit();
|
|
if ((eStyleUnit_Normal == unit) || (eStyleUnit_Factor == unit) ||
|
|
(eStyleUnit_Coord == unit)) {
|
|
mLineHeight = aParent->mLineHeight;
|
|
}
|
|
else {
|
|
mLineHeight.SetInheritValue();
|
|
}
|
|
mTextIndent = aParent->mTextIndent;
|
|
mWordSpacing = aParent->mWordSpacing;
|
|
}
|
|
else {
|
|
mTextAlign = NS_STYLE_TEXT_ALIGN_DEFAULT;
|
|
mTextTransform = NS_STYLE_TEXT_TRANSFORM_NONE;
|
|
mWhiteSpace = NS_STYLE_WHITESPACE_NORMAL;
|
|
|
|
mLetterSpacing.SetNormalValue();
|
|
mLineHeight.SetNormalValue();
|
|
mTextIndent.SetCoordValue(0);
|
|
mWordSpacing.SetNormalValue();
|
|
}
|
|
|
|
}
|
|
|
|
PRInt32 StyleTextImpl::CalcDifference(const StyleTextImpl& aOther) const
|
|
{
|
|
if ((mTextAlign == aOther.mTextAlign) &&
|
|
(mTextTransform == aOther.mTextTransform) &&
|
|
(mWhiteSpace == aOther.mWhiteSpace) &&
|
|
(mLetterSpacing == aOther.mLetterSpacing) &&
|
|
(mLineHeight == aOther.mLineHeight) &&
|
|
(mTextIndent == aOther.mTextIndent) &&
|
|
(mWordSpacing == aOther.mWordSpacing) &&
|
|
(mVerticalAlign == aOther.mVerticalAlign)) {
|
|
if (mTextDecoration == aOther.mTextDecoration) {
|
|
return NS_STYLE_HINT_NONE;
|
|
}
|
|
return NS_STYLE_HINT_VISUAL;
|
|
}
|
|
return NS_STYLE_HINT_REFLOW;
|
|
}
|
|
|
|
// --------------------
|
|
// nsStyleDisplay
|
|
//
|
|
|
|
nsStyleDisplay::nsStyleDisplay(void) { }
|
|
|
|
struct StyleDisplayImpl: public nsStyleDisplay {
|
|
StyleDisplayImpl(void) { }
|
|
|
|
void ResetFrom(const nsStyleDisplay* aParent, nsIPresContext* aPresContext);
|
|
PRInt32 CalcDifference(const StyleDisplayImpl& aOther) const;
|
|
};
|
|
|
|
void StyleDisplayImpl::ResetFrom(const nsStyleDisplay* aParent, nsIPresContext* aPresContext)
|
|
{
|
|
if (nsnull != aParent) {
|
|
mDirection = aParent->mDirection;
|
|
mVisible = aParent->mVisible;
|
|
}
|
|
else {
|
|
mDirection = NS_STYLE_DIRECTION_LTR;
|
|
mVisible = NS_STYLE_VISIBILITY_VISIBLE;
|
|
}
|
|
mDisplay = NS_STYLE_DISPLAY_INLINE;
|
|
mFloats = NS_STYLE_FLOAT_NONE;
|
|
mBreakType = NS_STYLE_CLEAR_NONE;
|
|
mBreakBefore = PR_FALSE;
|
|
mBreakAfter = PR_FALSE;
|
|
mOverflow = NS_STYLE_OVERFLOW_VISIBLE;
|
|
mClipFlags = NS_STYLE_CLIP_AUTO;
|
|
mClip.SizeTo(0,0,0,0);
|
|
}
|
|
|
|
PRInt32 StyleDisplayImpl::CalcDifference(const StyleDisplayImpl& aOther) const
|
|
{
|
|
if ((mDisplay == aOther.mDisplay) &&
|
|
(mFloats == aOther.mFloats) &&
|
|
(mOverflow == aOther.mOverflow)) {
|
|
if ((mDirection == aOther.mDirection) &&
|
|
(mBreakType == aOther.mBreakType) &&
|
|
(mBreakBefore == aOther.mBreakBefore) &&
|
|
(mBreakAfter == aOther.mBreakAfter)) {
|
|
if ((mVisible == aOther.mVisible) &&
|
|
(mClipFlags == aOther.mClipFlags) &&
|
|
(mClip == aOther.mClip)) {
|
|
return NS_STYLE_HINT_NONE;
|
|
}
|
|
if ((mVisible != aOther.mVisible) &&
|
|
((NS_STYLE_VISIBILITY_COLLAPSE == mVisible) ||
|
|
(NS_STYLE_VISIBILITY_COLLAPSE == aOther.mVisible))) {
|
|
return NS_STYLE_HINT_REFLOW;
|
|
}
|
|
return NS_STYLE_HINT_VISUAL;
|
|
}
|
|
return NS_STYLE_HINT_REFLOW;
|
|
}
|
|
return NS_STYLE_HINT_FRAMECHANGE;
|
|
}
|
|
|
|
// --------------------
|
|
// nsStyleTable
|
|
//
|
|
|
|
nsStyleTable::nsStyleTable(void) { }
|
|
|
|
struct StyleTableImpl: public nsStyleTable {
|
|
StyleTableImpl(void);
|
|
|
|
void ResetFrom(const nsStyleTable* aParent, nsIPresContext* aPresContext);
|
|
PRInt32 CalcDifference(const StyleTableImpl& aOther) const;
|
|
};
|
|
|
|
StyleTableImpl::StyleTableImpl()
|
|
{
|
|
ResetFrom(nsnull, nsnull);
|
|
}
|
|
|
|
void StyleTableImpl::ResetFrom(const nsStyleTable* aParent, nsIPresContext* aPresContext)
|
|
{
|
|
// values not inherited
|
|
mLayoutStrategy = NS_STYLE_TABLE_LAYOUT_AUTO;
|
|
mCols = NS_STYLE_TABLE_COLS_NONE;
|
|
mFrame = NS_STYLE_TABLE_FRAME_NONE;
|
|
mRules = NS_STYLE_TABLE_RULES_ALL;
|
|
mCellPadding.Reset();
|
|
mSpan = 1;
|
|
|
|
if (aParent) { // handle inherited properties
|
|
mBorderCollapse = aParent->mBorderCollapse;
|
|
mEmptyCells = aParent->mEmptyCells;
|
|
mCaptionSide = aParent->mCaptionSide;
|
|
mBorderSpacingX = aParent->mBorderSpacingX;
|
|
mBorderSpacingY = aParent->mBorderSpacingY;
|
|
mSpanWidth = aParent->mSpanWidth;
|
|
}
|
|
else {
|
|
mBorderCollapse = NS_STYLE_BORDER_SEPARATE;
|
|
mEmptyCells = NS_STYLE_TABLE_EMPTY_CELLS_HIDE;
|
|
mCaptionSide = NS_SIDE_TOP;
|
|
mBorderSpacingX.Reset();
|
|
mBorderSpacingY.Reset();
|
|
mSpanWidth.Reset();
|
|
}
|
|
}
|
|
|
|
PRInt32 StyleTableImpl::CalcDifference(const StyleTableImpl& aOther) const
|
|
{
|
|
if ((mLayoutStrategy == aOther.mLayoutStrategy) &&
|
|
(mFrame == aOther.mFrame) &&
|
|
(mRules == aOther.mRules) &&
|
|
(mBorderCollapse == aOther.mBorderCollapse) &&
|
|
(mBorderSpacingX == aOther.mBorderSpacingX) &&
|
|
(mBorderSpacingY == aOther.mBorderSpacingY) &&
|
|
(mCellPadding == aOther.mCellPadding) &&
|
|
(mCaptionSide == aOther.mCaptionSide) &&
|
|
(mCols == aOther.mCols) &&
|
|
(mSpan == aOther.mSpan) &&
|
|
(mSpanWidth == aOther.mSpanWidth)) {
|
|
if (mEmptyCells == aOther.mEmptyCells) {
|
|
return NS_STYLE_HINT_NONE;
|
|
}
|
|
return NS_STYLE_HINT_VISUAL;
|
|
}
|
|
return NS_STYLE_HINT_REFLOW;
|
|
}
|
|
|
|
|
|
//-----------------------
|
|
// nsStyleContent
|
|
//
|
|
|
|
nsStyleContent::nsStyleContent(void)
|
|
: mMarkerOffset(),
|
|
mContentCount(0),
|
|
mContents(nsnull),
|
|
mIncrementCount(0),
|
|
mIncrements(nsnull),
|
|
mResetCount(0),
|
|
mResets(nsnull),
|
|
mQuotesCount(0),
|
|
mQuotes(nsnull)
|
|
{
|
|
}
|
|
|
|
nsStyleContent::~nsStyleContent(void)
|
|
{
|
|
DELETE_ARRAY_IF(mContents);
|
|
DELETE_ARRAY_IF(mIncrements);
|
|
DELETE_ARRAY_IF(mResets);
|
|
DELETE_ARRAY_IF(mQuotes);
|
|
}
|
|
|
|
nsresult
|
|
nsStyleContent::GetContentAt(PRUint32 aIndex, nsStyleContentType& aType, nsString& aContent) const
|
|
{
|
|
if (aIndex < mContentCount) {
|
|
aType = mContents[aIndex].mType;
|
|
aContent = mContents[aIndex].mContent;
|
|
return NS_OK;
|
|
}
|
|
return NS_ERROR_ILLEGAL_VALUE;
|
|
}
|
|
|
|
nsresult
|
|
nsStyleContent::AllocateContents(PRUint32 aCount)
|
|
{
|
|
if (aCount != mContentCount) {
|
|
DELETE_ARRAY_IF(mContents);
|
|
if (aCount) {
|
|
mContents = new nsStyleContentData[aCount];
|
|
if (! mContents) {
|
|
mContentCount = 0;
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
}
|
|
mContentCount = aCount;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsStyleContent::SetContentAt(PRUint32 aIndex, nsStyleContentType aType, const nsString& aContent)
|
|
{
|
|
if (aIndex < mContentCount) {
|
|
mContents[aIndex].mType = aType;
|
|
if (aType < eStyleContentType_OpenQuote) {
|
|
mContents[aIndex].mContent = aContent;
|
|
}
|
|
else {
|
|
mContents[aIndex].mContent.Truncate();
|
|
}
|
|
return NS_OK;
|
|
}
|
|
return NS_ERROR_ILLEGAL_VALUE;
|
|
}
|
|
|
|
nsresult
|
|
nsStyleContent::GetCounterIncrementAt(PRUint32 aIndex, nsString& aCounter, PRInt32& aIncrement) const
|
|
{
|
|
if (aIndex < mIncrementCount) {
|
|
aCounter = mIncrements[aIndex].mCounter;
|
|
aIncrement = mIncrements[aIndex].mValue;
|
|
return NS_OK;
|
|
}
|
|
return NS_ERROR_ILLEGAL_VALUE;
|
|
}
|
|
|
|
nsresult
|
|
nsStyleContent::AllocateCounterIncrements(PRUint32 aCount)
|
|
{
|
|
if (aCount != mIncrementCount) {
|
|
DELETE_ARRAY_IF(mIncrements);
|
|
if (aCount) {
|
|
mIncrements = new nsStyleCounterData[aCount];
|
|
if (! mIncrements) {
|
|
mIncrementCount = 0;
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
}
|
|
mIncrementCount = aCount;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsStyleContent::SetCounterIncrementAt(PRUint32 aIndex, const nsString& aCounter, PRInt32 aIncrement)
|
|
{
|
|
if (aIndex < mIncrementCount) {
|
|
mIncrements[aIndex].mCounter = aCounter;
|
|
mIncrements[aIndex].mValue = aIncrement;
|
|
return NS_OK;
|
|
}
|
|
return NS_ERROR_ILLEGAL_VALUE;
|
|
}
|
|
|
|
nsresult
|
|
nsStyleContent::GetCounterResetAt(PRUint32 aIndex, nsString& aCounter, PRInt32& aValue) const
|
|
{
|
|
if (aIndex < mResetCount) {
|
|
aCounter = mResets[aIndex].mCounter;
|
|
aValue = mResets[aIndex].mValue;
|
|
return NS_OK;
|
|
}
|
|
return NS_ERROR_ILLEGAL_VALUE;
|
|
}
|
|
|
|
nsresult
|
|
nsStyleContent::AllocateCounterResets(PRUint32 aCount)
|
|
{
|
|
if (aCount != mResetCount) {
|
|
DELETE_ARRAY_IF(mResets);
|
|
if (aCount) {
|
|
mResets = new nsStyleCounterData[aCount];
|
|
if (! mResets) {
|
|
mResetCount = 0;
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
}
|
|
mResetCount = aCount;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsStyleContent::SetCounterResetAt(PRUint32 aIndex, const nsString& aCounter, PRInt32 aValue)
|
|
{
|
|
if (aIndex < mResetCount) {
|
|
mResets[aIndex].mCounter = aCounter;
|
|
mResets[aIndex].mValue = aValue;
|
|
return NS_OK;
|
|
}
|
|
return NS_ERROR_ILLEGAL_VALUE;
|
|
}
|
|
|
|
nsresult
|
|
nsStyleContent::GetQuotesAt(PRUint32 aIndex, nsString& aOpen, nsString& aClose) const
|
|
{
|
|
if (aIndex < mQuotesCount) {
|
|
aIndex *= 2;
|
|
aOpen = mQuotes[aIndex];
|
|
aClose = mQuotes[++aIndex];
|
|
return NS_OK;
|
|
}
|
|
return NS_ERROR_ILLEGAL_VALUE;
|
|
}
|
|
|
|
nsresult
|
|
nsStyleContent::AllocateQuotes(PRUint32 aCount)
|
|
{
|
|
if (aCount != mQuotesCount) {
|
|
DELETE_ARRAY_IF(mQuotes);
|
|
if (aCount) {
|
|
mQuotes = new nsString[aCount * 2];
|
|
if (! mQuotes) {
|
|
mQuotesCount = 0;
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
}
|
|
mQuotesCount = aCount;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsStyleContent::SetQuotesAt(PRUint32 aIndex, const nsString& aOpen, const nsString& aClose)
|
|
{
|
|
if (aIndex < mQuotesCount) {
|
|
aIndex *= 2;
|
|
mQuotes[aIndex] = aOpen;
|
|
mQuotes[++aIndex] = aClose;
|
|
return NS_OK;
|
|
}
|
|
return NS_ERROR_ILLEGAL_VALUE;
|
|
}
|
|
|
|
struct StyleContentImpl: public nsStyleContent {
|
|
StyleContentImpl(void) : nsStyleContent() { };
|
|
|
|
void ResetFrom(const StyleContentImpl* aParent, nsIPresContext* aPresContext);
|
|
PRInt32 CalcDifference(const StyleContentImpl& aOther) const;
|
|
};
|
|
|
|
void
|
|
StyleContentImpl::ResetFrom(const StyleContentImpl* aParent, nsIPresContext* aPresContext)
|
|
{
|
|
// reset data
|
|
mMarkerOffset.Reset();
|
|
mContentCount = 0;
|
|
DELETE_ARRAY_IF(mContents);
|
|
mIncrementCount = 0;
|
|
DELETE_ARRAY_IF(mIncrements);
|
|
mResetCount = 0;
|
|
DELETE_ARRAY_IF(mResets);
|
|
|
|
// inherited data
|
|
if (aParent) {
|
|
if (NS_SUCCEEDED(AllocateQuotes(aParent->mQuotesCount))) {
|
|
PRUint32 ix = (mQuotesCount * 2);
|
|
while (0 < ix--) {
|
|
mQuotes[ix] = aParent->mQuotes[ix];
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
mQuotesCount = 0;
|
|
DELETE_ARRAY_IF(mQuotes);
|
|
}
|
|
}
|
|
|
|
PRInt32
|
|
StyleContentImpl::CalcDifference(const StyleContentImpl& aOther) const
|
|
{
|
|
if (mContentCount == aOther.mContentCount) {
|
|
if ((mMarkerOffset == aOther.mMarkerOffset) &&
|
|
(mIncrementCount == aOther.mIncrementCount) &&
|
|
(mResetCount == aOther.mResetCount) &&
|
|
(mQuotesCount == aOther.mQuotesCount)) {
|
|
PRUint32 ix = mContentCount;
|
|
while (0 < ix--) {
|
|
if ((mContents[ix].mType != aOther.mContents[ix].mType) ||
|
|
(mContents[ix].mContent != aOther.mContents[ix].mContent)) {
|
|
return NS_STYLE_HINT_REFLOW;
|
|
}
|
|
}
|
|
ix = mIncrementCount;
|
|
while (0 < ix--) {
|
|
if ((mIncrements[ix].mValue != aOther.mIncrements[ix].mValue) ||
|
|
(mIncrements[ix].mCounter != aOther.mIncrements[ix].mCounter)) {
|
|
return NS_STYLE_HINT_REFLOW;
|
|
}
|
|
}
|
|
ix = mResetCount;
|
|
while (0 < ix--) {
|
|
if ((mResets[ix].mValue != aOther.mResets[ix].mValue) ||
|
|
(mResets[ix].mCounter != aOther.mResets[ix].mCounter)) {
|
|
return NS_STYLE_HINT_REFLOW;
|
|
}
|
|
}
|
|
ix = (mQuotesCount * 2);
|
|
while (0 < ix--) {
|
|
if (mQuotes[ix] != aOther.mQuotes[ix]) {
|
|
return NS_STYLE_HINT_REFLOW;
|
|
}
|
|
}
|
|
return NS_STYLE_HINT_NONE;
|
|
}
|
|
return NS_STYLE_HINT_REFLOW;
|
|
}
|
|
return NS_STYLE_HINT_FRAMECHANGE;
|
|
}
|
|
|
|
//-----------------------
|
|
// nsStyleUserInterface
|
|
//
|
|
|
|
nsStyleUserInterface::nsStyleUserInterface(void) { }
|
|
|
|
struct StyleUserInterfaceImpl: public nsStyleUserInterface {
|
|
StyleUserInterfaceImpl(void) { }
|
|
|
|
void ResetFrom(const nsStyleUserInterface* aParent, nsIPresContext* aPresContext);
|
|
PRInt32 CalcDifference(const StyleUserInterfaceImpl& aOther) const;
|
|
|
|
private: // These are not allowed
|
|
StyleUserInterfaceImpl(const StyleUserInterfaceImpl& aOther);
|
|
StyleUserInterfaceImpl& operator=(const StyleUserInterfaceImpl& aOther);
|
|
};
|
|
|
|
void StyleUserInterfaceImpl::ResetFrom(const nsStyleUserInterface* aParent, nsIPresContext* aPresContext)
|
|
{
|
|
if (aParent) {
|
|
mUserInput = aParent->mUserInput;
|
|
mUserModify = aParent->mUserModify;
|
|
mUserFocus = aParent->mUserFocus;
|
|
}
|
|
else {
|
|
mUserInput = NS_STYLE_USER_INPUT_AUTO;
|
|
mUserModify = NS_STYLE_USER_MODIFY_READ_ONLY;
|
|
mUserFocus = NS_STYLE_USER_FOCUS_NONE;
|
|
}
|
|
|
|
mUserSelect = NS_STYLE_USER_SELECT_TEXT;
|
|
mKeyEquivalent = PRUnichar(0); // XXX what type should this be?
|
|
mResizer = NS_STYLE_RESIZER_AUTO;
|
|
}
|
|
|
|
PRInt32 StyleUserInterfaceImpl::CalcDifference(const StyleUserInterfaceImpl& aOther) const
|
|
{
|
|
if ((mUserInput == aOther.mUserInput) &&
|
|
(mResizer == aOther.mResizer)) {
|
|
if ((mUserModify == aOther.mUserModify) &&
|
|
(mUserSelect == aOther.mUserSelect)) {
|
|
if ((mKeyEquivalent == aOther.mKeyEquivalent) &&
|
|
(mUserFocus == aOther.mUserFocus) &&
|
|
(mResizer == aOther.mResizer)) {
|
|
return NS_STYLE_HINT_NONE;
|
|
}
|
|
return NS_STYLE_HINT_CONTENT;
|
|
}
|
|
return NS_STYLE_HINT_VISUAL;
|
|
}
|
|
if ((mUserInput != aOther.mUserInput) &&
|
|
((NS_STYLE_USER_INPUT_NONE == mUserInput) ||
|
|
(NS_STYLE_USER_INPUT_NONE == aOther.mUserInput))) {
|
|
return NS_STYLE_HINT_FRAMECHANGE;
|
|
}
|
|
return NS_STYLE_HINT_VISUAL;
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
|
|
class StyleContextImpl : public nsIStyleContext {
|
|
public:
|
|
StyleContextImpl(nsIStyleContext* aParent, nsIAtom* aPseudoTag,
|
|
nsISupportsArray* aRules,
|
|
nsIPresContext* aPresContext);
|
|
virtual ~StyleContextImpl();
|
|
|
|
NS_DECL_AND_IMPL_ZEROING_OPERATOR_NEW
|
|
|
|
NS_DECL_ISUPPORTS
|
|
|
|
virtual nsIStyleContext* GetParent(void) const;
|
|
virtual nsISupportsArray* GetStyleRules(void) const;
|
|
virtual PRInt32 GetStyleRuleCount(void) const;
|
|
NS_IMETHOD GetPseudoType(nsIAtom*& aPseudoTag) const;
|
|
|
|
NS_IMETHOD FindChildWithRules(const nsIAtom* aPseudoTag, nsISupportsArray* aRules,
|
|
nsIStyleContext*& aResult);
|
|
|
|
virtual PRBool Equals(const nsIStyleContext* aOther) const;
|
|
virtual PRUint32 HashValue(void) const;
|
|
|
|
NS_IMETHOD RemapStyle(nsIPresContext* aPresContext);
|
|
|
|
virtual const nsStyleStruct* GetStyleData(nsStyleStructID aSID);
|
|
virtual nsStyleStruct* GetMutableStyleData(nsStyleStructID aSID);
|
|
|
|
virtual void ForceUnique(void);
|
|
virtual void RecalcAutomaticData(nsIPresContext* aPresContext);
|
|
NS_IMETHOD CalcStyleDifference(nsIStyleContext* aOther, PRInt32& aHint) const;
|
|
|
|
virtual void List(FILE* out, PRInt32 aIndent);
|
|
|
|
protected:
|
|
void AppendChild(StyleContextImpl* aChild);
|
|
void RemoveChild(StyleContextImpl* aChild);
|
|
|
|
StyleContextImpl* mParent;
|
|
StyleContextImpl* mChild;
|
|
StyleContextImpl* mEmptyChild;
|
|
StyleContextImpl* mPrevSibling;
|
|
StyleContextImpl* mNextSibling;
|
|
|
|
nsIAtom* mPseudoTag;
|
|
|
|
PRUint32 mRuleHash;
|
|
nsISupportsArray* mRules;
|
|
PRInt32 mDataCode;
|
|
|
|
// the style data...
|
|
StyleFontImpl mFont;
|
|
StyleColorImpl mColor;
|
|
StyleSpacingImpl mSpacing;
|
|
StyleListImpl mList;
|
|
StylePositionImpl mPosition;
|
|
StyleTextImpl mText;
|
|
StyleDisplayImpl mDisplay;
|
|
StyleTableImpl mTable;
|
|
StyleContentImpl mContent;
|
|
StyleUserInterfaceImpl mUserInterface;
|
|
|
|
#ifdef DEBUG_REFS
|
|
PRInt32 mInstance;
|
|
#endif
|
|
};
|
|
|
|
static PRInt32 gLastDataCode;
|
|
|
|
#ifdef DEBUG_REFS
|
|
static PRInt32 gInstanceCount;
|
|
static PRInt32 gInstrument = 6;
|
|
#endif
|
|
|
|
static PRBool HashStyleRule(nsISupports* aRule, void* aData)
|
|
{
|
|
*((PRUint32*)aData) ^= PRUint32(aRule);
|
|
return PR_TRUE;
|
|
}
|
|
|
|
StyleContextImpl::StyleContextImpl(nsIStyleContext* aParent,
|
|
nsIAtom* aPseudoTag,
|
|
nsISupportsArray* aRules,
|
|
nsIPresContext* aPresContext)
|
|
: mParent((StyleContextImpl*)aParent),
|
|
mChild(nsnull),
|
|
mEmptyChild(nsnull),
|
|
mPseudoTag(aPseudoTag),
|
|
mRules(aRules),
|
|
mDataCode(-1),
|
|
mFont(aPresContext->GetDefaultFontDeprecated(), aPresContext->GetDefaultFixedFontDeprecated()),
|
|
mColor(),
|
|
mSpacing(),
|
|
mList(),
|
|
mPosition(),
|
|
mText(),
|
|
mDisplay(),
|
|
mTable(),
|
|
mContent(),
|
|
mUserInterface()
|
|
{
|
|
NS_INIT_REFCNT();
|
|
NS_IF_ADDREF(mPseudoTag);
|
|
NS_IF_ADDREF(mRules);
|
|
|
|
mNextSibling = this;
|
|
mPrevSibling = this;
|
|
if (nsnull != mParent) {
|
|
NS_ADDREF(mParent);
|
|
mParent->AppendChild(this);
|
|
}
|
|
|
|
mRuleHash = 0;
|
|
if (nsnull != mRules) {
|
|
mRules->EnumerateForwards(HashStyleRule, &mRuleHash);
|
|
}
|
|
|
|
#ifdef DEBUG_REFS
|
|
mInstance = ++gInstanceCount;
|
|
fprintf(stdout, "%d of %d + StyleContext\n", mInstance, gInstanceCount);
|
|
#endif
|
|
}
|
|
|
|
StyleContextImpl::~StyleContextImpl()
|
|
{
|
|
NS_ASSERTION((nsnull == mChild) && (nsnull == mEmptyChild), "destructing context with children");
|
|
|
|
if (mParent) {
|
|
mParent->RemoveChild(this);
|
|
NS_RELEASE(mParent);
|
|
}
|
|
|
|
NS_IF_RELEASE(mPseudoTag);
|
|
|
|
NS_IF_RELEASE(mRules);
|
|
|
|
#ifdef DEBUG_REFS
|
|
fprintf(stdout, "%d of %d - StyleContext\n", mInstance, gInstanceCount);
|
|
--gInstanceCount;
|
|
#endif
|
|
}
|
|
|
|
#ifdef LOG_ADDREF_RELEASE
|
|
extern "C" {
|
|
void __log_addref(void* p, int oldrc, int newrc);
|
|
void __log_release(void* p, int oldrc, int newrc);
|
|
}
|
|
|
|
NS_IMPL_QUERY_INTERFACE(StyleContextImpl, kIStyleContextIID)
|
|
|
|
nsrefcnt StyleContextImpl::AddRef(void)
|
|
{
|
|
NS_PRECONDITION(PRInt32(mRefCnt) >= 0, "illegal refcnt");
|
|
__log_addref((void*) this, mRefCnt, mRefCnt + 1);
|
|
return ++mRefCnt;
|
|
}
|
|
|
|
nsrefcnt StyleContextImpl::Release(void)
|
|
{
|
|
__log_release((void*) this, mRefCnt, mRefCnt - 1);
|
|
NS_PRECONDITION(0 != mRefCnt, "dup release");
|
|
if (--mRefCnt == 0) {
|
|
NS_DELETEXPCOM(this);
|
|
return 0;
|
|
}
|
|
return mRefCnt;
|
|
}
|
|
#else
|
|
|
|
#ifdef DEBUG_REFS
|
|
NS_IMPL_QUERY_INTERFACE(StyleContextImpl, kIStyleContextIID)
|
|
|
|
nsrefcnt StyleContextImpl::AddRef(void)
|
|
{
|
|
if ((gInstrument == -1) || (mInstance == gInstrument)) {
|
|
fprintf(stdout, "%d AddRef StyleContext %d\n", mRefCnt + 1, mInstance);
|
|
}
|
|
return ++mRefCnt;
|
|
}
|
|
|
|
nsrefcnt StyleContextImpl::Release(void)
|
|
{
|
|
if ((gInstrument == -1) || (mInstance == gInstrument)) {
|
|
fprintf(stdout, "%d Release StyleContext %d\n", mRefCnt - 1, mInstance);
|
|
}
|
|
if (--mRefCnt == 0) {
|
|
delete this;
|
|
return 0;
|
|
}
|
|
return mRefCnt;
|
|
}
|
|
#else
|
|
NS_IMPL_ISUPPORTS(StyleContextImpl, kIStyleContextIID)
|
|
#endif
|
|
#endif
|
|
|
|
|
|
|
|
nsIStyleContext* StyleContextImpl::GetParent(void) const
|
|
{
|
|
NS_IF_ADDREF(mParent);
|
|
return mParent;
|
|
}
|
|
|
|
void StyleContextImpl::AppendChild(StyleContextImpl* aChild)
|
|
{
|
|
if (0 == aChild->GetStyleRuleCount()) {
|
|
if (nsnull == mEmptyChild) {
|
|
mEmptyChild = aChild;
|
|
}
|
|
else {
|
|
aChild->mNextSibling = mEmptyChild;
|
|
aChild->mPrevSibling = mEmptyChild->mPrevSibling;
|
|
mEmptyChild->mPrevSibling->mNextSibling = aChild;
|
|
mEmptyChild->mPrevSibling = aChild;
|
|
}
|
|
}
|
|
else {
|
|
if (nsnull == mChild) {
|
|
mChild = aChild;
|
|
}
|
|
else {
|
|
aChild->mNextSibling = mChild;
|
|
aChild->mPrevSibling = mChild->mPrevSibling;
|
|
mChild->mPrevSibling->mNextSibling = aChild;
|
|
mChild->mPrevSibling = aChild;
|
|
}
|
|
}
|
|
}
|
|
|
|
void StyleContextImpl::RemoveChild(StyleContextImpl* aChild)
|
|
{
|
|
NS_ASSERTION((nsnull != aChild) && (this == aChild->mParent), "bad argument");
|
|
|
|
if ((nsnull == aChild) || (this != aChild->mParent)) {
|
|
return;
|
|
}
|
|
|
|
if (0 == aChild->GetStyleRuleCount()) { // is empty
|
|
if (aChild->mPrevSibling != aChild) { // has siblings
|
|
if (mEmptyChild == aChild) {
|
|
mEmptyChild = mEmptyChild->mNextSibling;
|
|
}
|
|
}
|
|
else {
|
|
NS_ASSERTION(mEmptyChild == aChild, "bad sibling pointers");
|
|
mEmptyChild = nsnull;
|
|
}
|
|
}
|
|
else { // isn't empty
|
|
if (aChild->mPrevSibling != aChild) { // has siblings
|
|
if (mChild == aChild) {
|
|
mChild = mChild->mNextSibling;
|
|
}
|
|
}
|
|
else {
|
|
NS_ASSERTION(mChild == aChild, "bad sibling pointers");
|
|
if (mChild == aChild) {
|
|
mChild = nsnull;
|
|
}
|
|
}
|
|
}
|
|
aChild->mPrevSibling->mNextSibling = aChild->mNextSibling;
|
|
aChild->mNextSibling->mPrevSibling = aChild->mPrevSibling;
|
|
aChild->mNextSibling = aChild;
|
|
aChild->mPrevSibling = aChild;
|
|
}
|
|
|
|
nsISupportsArray* StyleContextImpl::GetStyleRules(void) const
|
|
{
|
|
NS_IF_ADDREF(mRules);
|
|
return mRules;
|
|
}
|
|
|
|
PRInt32 StyleContextImpl::GetStyleRuleCount(void) const
|
|
{
|
|
if (nsnull != mRules) {
|
|
PRUint32 cnt;
|
|
nsresult rv = mRules->Count(&cnt);
|
|
if (NS_FAILED(rv)) return 0; // XXX error?
|
|
return cnt;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
StyleContextImpl::GetPseudoType(nsIAtom*& aPseudoTag) const
|
|
{
|
|
aPseudoTag = mPseudoTag;
|
|
NS_IF_ADDREF(aPseudoTag);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
StyleContextImpl::FindChildWithRules(const nsIAtom* aPseudoTag,
|
|
nsISupportsArray* aRules,
|
|
nsIStyleContext*& aResult)
|
|
{
|
|
aResult = nsnull;
|
|
|
|
if ((nsnull != mChild) || (nsnull != mEmptyChild)) {
|
|
StyleContextImpl* child;
|
|
PRInt32 ruleCount;
|
|
if (aRules) {
|
|
PRUint32 cnt;
|
|
nsresult rv = aRules->Count(&cnt);
|
|
if (NS_FAILED(rv)) return rv;
|
|
ruleCount = cnt;
|
|
}
|
|
else
|
|
ruleCount = 0;
|
|
if (0 == ruleCount) {
|
|
if (nsnull != mEmptyChild) {
|
|
child = mEmptyChild;
|
|
do {
|
|
if ((0 == child->mDataCode) && // only look at children with un-twiddled data
|
|
(aPseudoTag == child->mPseudoTag)) {
|
|
aResult = child;
|
|
break;
|
|
}
|
|
child = child->mNextSibling;
|
|
} while (child != mEmptyChild);
|
|
}
|
|
}
|
|
else if (nsnull != mChild) {
|
|
PRUint32 hash = 0;
|
|
aRules->EnumerateForwards(HashStyleRule, &hash);
|
|
child = mChild;
|
|
do {
|
|
PRUint32 cnt;
|
|
if ((0 == child->mDataCode) && // only look at children with un-twiddled data
|
|
(child->mRuleHash == hash) &&
|
|
(child->mPseudoTag == aPseudoTag) &&
|
|
(nsnull != child->mRules) &&
|
|
NS_SUCCEEDED(child->mRules->Count(&cnt)) &&
|
|
(PRInt32)cnt == ruleCount) {
|
|
if (child->mRules->Equals(aRules)) {
|
|
aResult = child;
|
|
break;
|
|
}
|
|
}
|
|
child = child->mNextSibling;
|
|
} while (child != mChild);
|
|
}
|
|
}
|
|
NS_IF_ADDREF(aResult);
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
PRBool StyleContextImpl::Equals(const nsIStyleContext* aOther) const
|
|
{
|
|
PRBool result = PR_TRUE;
|
|
const StyleContextImpl* other = (StyleContextImpl*)aOther;
|
|
|
|
if (other != this) {
|
|
if (mParent != other->mParent) {
|
|
result = PR_FALSE;
|
|
}
|
|
else if (mDataCode != other->mDataCode) {
|
|
result = PR_FALSE;
|
|
}
|
|
else if (mPseudoTag != other->mPseudoTag) {
|
|
result = PR_FALSE;
|
|
}
|
|
else {
|
|
if ((nsnull != mRules) && (nsnull != other->mRules)) {
|
|
if (mRuleHash == other->mRuleHash) {
|
|
result = mRules->Equals(other->mRules);
|
|
}
|
|
else {
|
|
result = PR_FALSE;
|
|
}
|
|
}
|
|
else {
|
|
result = PRBool((nsnull == mRules) && (nsnull == other->mRules));
|
|
}
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
PRUint32 StyleContextImpl::HashValue(void) const
|
|
{
|
|
return mRuleHash;
|
|
}
|
|
|
|
|
|
const nsStyleStruct* StyleContextImpl::GetStyleData(nsStyleStructID aSID)
|
|
{
|
|
nsStyleStruct* result = nsnull;
|
|
|
|
switch (aSID) {
|
|
case eStyleStruct_Font:
|
|
result = &mFont;
|
|
break;
|
|
case eStyleStruct_Color:
|
|
result = &mColor;
|
|
break;
|
|
case eStyleStruct_Spacing:
|
|
result = &mSpacing;
|
|
break;
|
|
case eStyleStruct_List:
|
|
result = &mList;
|
|
break;
|
|
case eStyleStruct_Position:
|
|
result = &mPosition;
|
|
break;
|
|
case eStyleStruct_Text:
|
|
result = &mText;
|
|
break;
|
|
case eStyleStruct_Display:
|
|
result = &mDisplay;
|
|
break;
|
|
case eStyleStruct_Table:
|
|
result = &mTable;
|
|
break;
|
|
case eStyleStruct_Content:
|
|
result = &mContent;
|
|
break;
|
|
case eStyleStruct_UserInterface:
|
|
result = &mUserInterface;
|
|
break;
|
|
default:
|
|
NS_ERROR("Invalid style struct id");
|
|
break;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
nsStyleStruct* StyleContextImpl::GetMutableStyleData(nsStyleStructID aSID)
|
|
{
|
|
nsStyleStruct* result = nsnull;
|
|
|
|
switch (aSID) {
|
|
case eStyleStruct_Font:
|
|
result = &mFont;
|
|
break;
|
|
case eStyleStruct_Color:
|
|
result = &mColor;
|
|
break;
|
|
case eStyleStruct_Spacing:
|
|
result = &mSpacing;
|
|
break;
|
|
case eStyleStruct_List:
|
|
result = &mList;
|
|
break;
|
|
case eStyleStruct_Position:
|
|
result = &mPosition;
|
|
break;
|
|
case eStyleStruct_Text:
|
|
result = &mText;
|
|
break;
|
|
case eStyleStruct_Display:
|
|
result = &mDisplay;
|
|
break;
|
|
case eStyleStruct_Table:
|
|
result = &mTable;
|
|
break;
|
|
case eStyleStruct_Content:
|
|
result = &mContent;
|
|
break;
|
|
case eStyleStruct_UserInterface:
|
|
result = &mUserInterface;
|
|
break;
|
|
default:
|
|
NS_ERROR("Invalid style struct id");
|
|
break;
|
|
}
|
|
if (nsnull != result) {
|
|
if (0 == mDataCode) {
|
|
// mDataCode = ++gLastDataCode; // XXX temp disable, this is still used but not needed to force unique
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
struct MapStyleData {
|
|
MapStyleData(nsIStyleContext* aStyleContext, nsIPresContext* aPresContext)
|
|
{
|
|
mStyleContext = aStyleContext;
|
|
mPresContext = aPresContext;
|
|
}
|
|
nsIStyleContext* mStyleContext;
|
|
nsIPresContext* mPresContext;
|
|
};
|
|
|
|
static PRBool MapStyleRuleFont(nsISupports* aRule, void* aData)
|
|
{
|
|
nsIStyleRule* rule = (nsIStyleRule*)aRule;
|
|
MapStyleData* data = (MapStyleData*)aData;
|
|
rule->MapFontStyleInto(data->mStyleContext, data->mPresContext);
|
|
return PR_TRUE;
|
|
}
|
|
|
|
static PRBool MapStyleRule(nsISupports* aRule, void* aData)
|
|
{
|
|
nsIStyleRule* rule = (nsIStyleRule*)aRule;
|
|
MapStyleData* data = (MapStyleData*)aData;
|
|
rule->MapStyleInto(data->mStyleContext, data->mPresContext);
|
|
return PR_TRUE;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
StyleContextImpl::RemapStyle(nsIPresContext* aPresContext)
|
|
{
|
|
mDataCode = -1;
|
|
if (nsnull != mParent) {
|
|
mFont.ResetFrom(&(mParent->mFont), aPresContext);
|
|
mColor.ResetFrom(&(mParent->mColor), aPresContext);
|
|
mSpacing.ResetFrom(&(mParent->mSpacing), aPresContext);
|
|
mList.ResetFrom(&(mParent->mList), aPresContext);
|
|
mPosition.ResetFrom(&(mParent->mPosition), aPresContext);
|
|
mText.ResetFrom(&(mParent->mText), aPresContext);
|
|
mDisplay.ResetFrom(&(mParent->mDisplay), aPresContext);
|
|
mTable.ResetFrom(&(mParent->mTable), aPresContext);
|
|
mContent.ResetFrom(&(mParent->mContent), aPresContext);
|
|
mUserInterface.ResetFrom(&(mParent->mUserInterface), aPresContext);
|
|
}
|
|
else {
|
|
mFont.ResetFrom(nsnull, aPresContext);
|
|
mColor.ResetFrom(nsnull, aPresContext);
|
|
mSpacing.ResetFrom(nsnull, aPresContext);
|
|
mList.ResetFrom(nsnull, aPresContext);
|
|
mPosition.ResetFrom(nsnull, aPresContext);
|
|
mText.ResetFrom(nsnull, aPresContext);
|
|
mDisplay.ResetFrom(nsnull, aPresContext);
|
|
mTable.ResetFrom(nsnull, aPresContext);
|
|
mContent.ResetFrom(nsnull, aPresContext);
|
|
mUserInterface.ResetFrom(nsnull, aPresContext);
|
|
}
|
|
|
|
PRUint32 cnt = 0;
|
|
if (mRules) {
|
|
nsresult rv = mRules->Count(&cnt);
|
|
NS_ASSERTION(NS_SUCCEEDED(rv), "Count failed");
|
|
}
|
|
if (0 < cnt) {
|
|
MapStyleData data(this, aPresContext);
|
|
mRules->EnumerateForwards(MapStyleRuleFont, &data);
|
|
if (mFont.mFlags & NS_STYLE_FONT_USE_FIXED) {
|
|
mFont.mFont = mFont.mFixedFont;
|
|
}
|
|
mRules->EnumerateForwards(MapStyleRule, &data);
|
|
}
|
|
if (-1 == mDataCode) {
|
|
mDataCode = 0;
|
|
}
|
|
|
|
nsCompatibility quirkMode = eCompatibility_Standard;
|
|
aPresContext->GetCompatibilityMode(&quirkMode);
|
|
if (eCompatibility_NavQuirks == quirkMode) {
|
|
if ((mDisplay.mDisplay == NS_STYLE_DISPLAY_TABLE) ||
|
|
(mDisplay.mDisplay == NS_STYLE_DISPLAY_TABLE_CAPTION)) {
|
|
|
|
StyleContextImpl* holdParent = mParent;
|
|
mParent = nsnull; // cut off all inheritance. this really blows
|
|
|
|
// XXX the style we do preserve is visibility, direction
|
|
PRUint8 visible = mDisplay.mVisible;
|
|
PRUint8 direction = mDisplay.mDirection;
|
|
|
|
// time to emulate a sub-document
|
|
// This is ugly, but we need to map style once to determine display type
|
|
// then reset and map it again so that all local style is preserved
|
|
if (mDisplay.mDisplay != NS_STYLE_DISPLAY_TABLE) {
|
|
mFont.ResetFrom(nsnull, aPresContext);
|
|
}
|
|
mColor.ResetFrom(nsnull, aPresContext);
|
|
mSpacing.ResetFrom(nsnull, aPresContext);
|
|
mList.ResetFrom(nsnull, aPresContext);
|
|
mText.ResetFrom(nsnull, aPresContext);
|
|
mPosition.ResetFrom(nsnull, aPresContext);
|
|
mDisplay.ResetFrom(nsnull, aPresContext);
|
|
mTable.ResetFrom(nsnull, aPresContext);
|
|
mContent.ResetFrom(nsnull, aPresContext);
|
|
mUserInterface.ResetFrom(nsnull, aPresContext);
|
|
mDisplay.mVisible = visible;
|
|
mDisplay.mDirection = direction;
|
|
|
|
PRUint32 numRules = 0;
|
|
if (mRules) {
|
|
nsresult rv = mRules->Count(&numRules);
|
|
NS_ASSERTION(NS_SUCCEEDED(rv), "Count failed");
|
|
}
|
|
if (0 < numRules) {
|
|
MapStyleData data(this, aPresContext);
|
|
mRules->EnumerateForwards(MapStyleRuleFont, &data);
|
|
if (mFont.mFlags & NS_STYLE_FONT_USE_FIXED) {
|
|
mFont.mFont = mFont.mFixedFont;
|
|
}
|
|
mRules->EnumerateForwards(MapStyleRule, &data);
|
|
}
|
|
// reset all font data for tables again
|
|
if (mDisplay.mDisplay == NS_STYLE_DISPLAY_TABLE) {
|
|
mFont.ResetFrom(nsnull, aPresContext);
|
|
}
|
|
mParent = holdParent;
|
|
}
|
|
}
|
|
|
|
RecalcAutomaticData(aPresContext);
|
|
|
|
if (nsnull != mChild) {
|
|
StyleContextImpl* child = mChild;
|
|
do {
|
|
child->RemapStyle(aPresContext);
|
|
child = child->mNextSibling;
|
|
} while (mChild != child);
|
|
}
|
|
if (nsnull != mEmptyChild) {
|
|
StyleContextImpl* child = mEmptyChild;
|
|
do {
|
|
child->RemapStyle(aPresContext);
|
|
child = child->mNextSibling;
|
|
} while (mEmptyChild != child);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
void StyleContextImpl::ForceUnique(void)
|
|
{
|
|
if (mDataCode <= 0) {
|
|
mDataCode = ++gLastDataCode;
|
|
}
|
|
}
|
|
|
|
void StyleContextImpl::RecalcAutomaticData(nsIPresContext* aPresContext)
|
|
{
|
|
mSpacing.RecalcData(aPresContext, mColor.mColor);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
StyleContextImpl::CalcStyleDifference(nsIStyleContext* aOther, PRInt32& aHint) const
|
|
{
|
|
if (aOther) {
|
|
PRInt32 hint;
|
|
const StyleContextImpl* other = (const StyleContextImpl*)aOther;
|
|
|
|
aHint = mFont.CalcDifference(other->mFont);
|
|
if (aHint < NS_STYLE_HINT_MAX) {
|
|
hint = mColor.CalcDifference(other->mColor);
|
|
if (aHint < hint) {
|
|
aHint = hint;
|
|
}
|
|
}
|
|
if (aHint < NS_STYLE_HINT_MAX) {
|
|
hint = mSpacing.CalcDifference(other->mSpacing);
|
|
if (aHint < hint) {
|
|
aHint = hint;
|
|
}
|
|
}
|
|
if (aHint < NS_STYLE_HINT_MAX) {
|
|
hint = mList.CalcDifference(other->mList);
|
|
if (aHint < hint) {
|
|
aHint = hint;
|
|
}
|
|
}
|
|
if (aHint < NS_STYLE_HINT_MAX) {
|
|
hint = mPosition.CalcDifference(other->mPosition);
|
|
if (aHint < hint) {
|
|
aHint = hint;
|
|
}
|
|
}
|
|
if (aHint < NS_STYLE_HINT_MAX) {
|
|
hint = mText.CalcDifference(other->mText);
|
|
if (aHint < hint) {
|
|
aHint = hint;
|
|
}
|
|
}
|
|
if (aHint < NS_STYLE_HINT_MAX) {
|
|
hint = mDisplay.CalcDifference(other->mDisplay);
|
|
if (aHint < hint) {
|
|
aHint = hint;
|
|
}
|
|
}
|
|
if (aHint < NS_STYLE_HINT_MAX) {
|
|
hint = mTable.CalcDifference(other->mTable);
|
|
if (aHint < hint) {
|
|
aHint = hint;
|
|
}
|
|
}
|
|
if (aHint < NS_STYLE_HINT_MAX) {
|
|
hint = mContent.CalcDifference(other->mContent);
|
|
if (aHint < hint) {
|
|
aHint = hint;
|
|
}
|
|
}
|
|
if (aHint < NS_STYLE_HINT_MAX) {
|
|
hint = mUserInterface.CalcDifference(other->mUserInterface);
|
|
if (aHint < hint) {
|
|
aHint = hint;
|
|
}
|
|
}
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
void StyleContextImpl::List(FILE* out, PRInt32 aIndent)
|
|
{
|
|
// Indent
|
|
PRInt32 ix;
|
|
for (ix = aIndent; --ix >= 0; ) fputs(" ", out);
|
|
fprintf(out, "%p(%d) ", this, mRefCnt);
|
|
if (nsnull != mPseudoTag) {
|
|
nsAutoString buffer;
|
|
mPseudoTag->ToString(buffer);
|
|
fputs(buffer, out);
|
|
fputs(" ", out);
|
|
}
|
|
PRInt32 count = GetStyleRuleCount();
|
|
if (0 < count) {
|
|
fputs("{\n", out);
|
|
|
|
for (ix = 0; ix < count; ix++) {
|
|
nsIStyleRule* rule = (nsIStyleRule*)mRules->ElementAt(ix);
|
|
rule->List(out, aIndent + 1);
|
|
NS_RELEASE(rule);
|
|
}
|
|
|
|
for (ix = aIndent; --ix >= 0; ) fputs(" ", out);
|
|
fputs("}\n", out);
|
|
}
|
|
else {
|
|
fputs("{}\n", out);
|
|
}
|
|
|
|
if (nsnull != mChild) {
|
|
StyleContextImpl* child = mChild;
|
|
do {
|
|
child->List(out, aIndent + 1);
|
|
child = child->mNextSibling;
|
|
} while (mChild != child);
|
|
}
|
|
if (nsnull != mEmptyChild) {
|
|
StyleContextImpl* child = mEmptyChild;
|
|
do {
|
|
child->List(out, aIndent + 1);
|
|
child = child->mNextSibling;
|
|
} while (mEmptyChild != child);
|
|
}
|
|
}
|
|
|
|
NS_LAYOUT nsresult
|
|
NS_NewStyleContext(nsIStyleContext** aInstancePtrResult,
|
|
nsIStyleContext* aParentContext,
|
|
nsIAtom* aPseudoTag,
|
|
nsISupportsArray* aRules,
|
|
nsIPresContext* aPresContext)
|
|
{
|
|
NS_PRECONDITION(nsnull != aInstancePtrResult, "null ptr");
|
|
if (nsnull == aInstancePtrResult) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
StyleContextImpl* context = new StyleContextImpl(aParentContext, aPseudoTag,
|
|
aRules, aPresContext);
|
|
if (nsnull == context) {
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
nsresult result = context->QueryInterface(kIStyleContextIID, (void **) aInstancePtrResult);
|
|
context->RemapStyle(aPresContext); // remap after initial ref-count is set
|
|
return result;
|
|
}
|