зеркало из https://github.com/mozilla/pjs.git
1461 строка
47 KiB
C++
1461 строка
47 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Mats Palmgren <mats.palmgren@bredband.net>
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* Masayuki Nakano <masayuki@d-toybox.com>
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* Rob Arnold <robarnold@mozilla.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/*
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* structs that contain the data provided by nsStyleContext, the
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* internal API for computed style data for an element
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*/
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#ifndef nsStyleStruct_h___
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#define nsStyleStruct_h___
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#include "nsColor.h"
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#include "nsCoord.h"
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#include "nsMargin.h"
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#include "nsRect.h"
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#include "nsFont.h"
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#include "nsStyleCoord.h"
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#include "nsStyleConsts.h"
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#include "nsChangeHint.h"
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#include "nsPresContext.h"
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#include "nsIPresShell.h"
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#include "nsCOMPtr.h"
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#include "nsCOMArray.h"
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#include "nsIAtom.h"
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#include "nsIURI.h"
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#include "nsCSSValue.h"
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#include "nsStyleTransformMatrix.h"
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class nsIFrame;
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class imgIRequest;
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// Includes nsStyleStructID.
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#include "nsStyleStructFwd.h"
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// Bits for each struct.
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// NS_STYLE_INHERIT_BIT defined in nsStyleStructFwd.h
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#define NS_STYLE_INHERIT_MASK 0x00ffffff
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// Additional bits for nsStyleContext's mBits:
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// A bit to test whether or not we have any text decorations.
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#define NS_STYLE_HAS_TEXT_DECORATIONS 0x01000000
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// Additional bits for nsRuleNode's mDependentBits:
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#define NS_RULE_NODE_GC_MARK 0x02000000
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#define NS_RULE_NODE_IS_IMPORTANT 0x08000000
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#define NS_RULE_NODE_LEVEL_MASK 0xf0000000
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#define NS_RULE_NODE_LEVEL_SHIFT 28
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// The lifetime of these objects is managed by the presshell's arena.
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struct nsStyleFont {
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nsStyleFont(const nsFont& aFont, nsPresContext *aPresContext);
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nsStyleFont(const nsStyleFont& aStyleFont);
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nsStyleFont(nsPresContext *aPresContext);
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~nsStyleFont(void) {}
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nsChangeHint CalcDifference(const nsStyleFont& aOther) const;
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#ifdef DEBUG
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static nsChangeHint MaxDifference();
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#endif
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static nsChangeHint CalcFontDifference(const nsFont& aFont1, const nsFont& aFont2);
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static nscoord ZoomText(nsPresContext* aPresContext, nscoord aSize);
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static nscoord UnZoomText(nsPresContext* aPresContext, nscoord aSize);
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void* operator new(size_t sz, nsPresContext* aContext) CPP_THROW_NEW;
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void Destroy(nsPresContext* aContext);
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nsFont mFont; // [inherited]
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nscoord mSize; // [inherited] Our "computed size". Can be different
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// from mFont.size which is our "actual size" and is
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// enforced to be >= the user's preferred min-size.
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// mFont.size should be used for display purposes
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// while mSize is the value to return in
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// getComputedStyle() for example.
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PRUint8 mGenericID; // [inherited] generic CSS font family, if any;
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// value is a kGenericFont_* constant, see nsFont.h.
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#ifdef MOZ_MATHML
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// MathML scriptlevel support
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PRInt8 mScriptLevel; // [inherited]
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// The value mSize would have had if scriptminsize had never been applied
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nscoord mScriptUnconstrainedSize;
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nscoord mScriptMinSize; // [inherited] length
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float mScriptSizeMultiplier; // [inherited]
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#endif
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};
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struct nsStyleColor {
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nsStyleColor(nsPresContext* aPresContext);
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nsStyleColor(const nsStyleColor& aOther);
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~nsStyleColor(void) {}
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nsChangeHint CalcDifference(const nsStyleColor& aOther) const;
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#ifdef DEBUG
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static nsChangeHint MaxDifference();
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#endif
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void* operator new(size_t sz, nsPresContext* aContext) CPP_THROW_NEW {
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return aContext->AllocateFromShell(sz);
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}
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void Destroy(nsPresContext* aContext) {
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this->~nsStyleColor();
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aContext->FreeToShell(sizeof(nsStyleColor), this);
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}
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// Don't add ANY members to this struct! We can achieve caching in the rule
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// tree (rather than the style tree) by letting color stay by itself! -dwh
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nscolor mColor; // [inherited]
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};
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struct nsStyleBackground {
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nsStyleBackground();
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nsStyleBackground(const nsStyleBackground& aOther);
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~nsStyleBackground();
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void* operator new(size_t sz, nsPresContext* aContext) CPP_THROW_NEW {
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return aContext->AllocateFromShell(sz);
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}
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void Destroy(nsPresContext* aContext) {
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this->~nsStyleBackground();
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aContext->FreeToShell(sizeof(nsStyleBackground), this);
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}
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nsChangeHint CalcDifference(const nsStyleBackground& aOther) const;
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#ifdef DEBUG
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static nsChangeHint MaxDifference();
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#endif
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PRUint8 mBackgroundFlags; // [reset] See nsStyleConsts.h
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PRUint8 mBackgroundAttachment; // [reset] See nsStyleConsts.h
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PRUint8 mBackgroundClip; // [reset] See nsStyleConsts.h
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PRUint8 mBackgroundInlinePolicy; // [reset] See nsStyleConsts.h
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PRUint8 mBackgroundOrigin; // [reset] See nsStyleConsts.h
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PRUint8 mBackgroundRepeat; // [reset] See nsStyleConsts.h
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// Note: a member of this union is valid IFF the appropriate bit flag
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// is set in mBackgroundFlags.
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union {
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nscoord mCoord;
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float mFloat;
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} mBackgroundXPosition, // [reset]
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mBackgroundYPosition; // [reset]
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nscolor mBackgroundColor; // [reset]
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nsCOMPtr<imgIRequest> mBackgroundImage; // [reset]
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// True if this background is completely transparent.
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PRBool IsTransparent() const
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{
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return (NS_GET_A(mBackgroundColor) == 0 &&
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(mBackgroundFlags & NS_STYLE_BG_IMAGE_NONE));
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}
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// We have to take slower codepaths for fixed background attachment,
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// but we don't want to do that when there's no image.
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// Not inline because it uses an nsCOMPtr<imgIRequest>
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// FIXME: Should be in nsStyleStructInlines.h.
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PRBool HasFixedBackground() const;
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};
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// See https://bugzilla.mozilla.org/show_bug.cgi?id=271586#c43 for why
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// this is hard to replace with 'currentColor'.
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#define BORDER_COLOR_FOREGROUND 0x20
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#define OUTLINE_COLOR_INITIAL 0x80
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// FOREGROUND | INITIAL(OUTLINE)
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#define BORDER_COLOR_SPECIAL 0xA0
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#define BORDER_STYLE_MASK 0x1F
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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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struct nsStyleMargin {
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nsStyleMargin(void);
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nsStyleMargin(const nsStyleMargin& aMargin);
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~nsStyleMargin(void) {}
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void* operator new(size_t sz, nsPresContext* aContext) CPP_THROW_NEW;
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void Destroy(nsPresContext* aContext);
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void RecalcData();
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nsChangeHint CalcDifference(const nsStyleMargin& aOther) const;
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#ifdef DEBUG
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static nsChangeHint MaxDifference();
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#endif
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nsStyleSides mMargin; // [reset] coord, percent, auto
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PRBool 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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protected:
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PRPackedBool mHasCachedMargin;
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nsMargin mCachedMargin;
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};
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struct nsStylePadding {
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nsStylePadding(void);
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nsStylePadding(const nsStylePadding& aPadding);
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~nsStylePadding(void) {}
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void* operator new(size_t sz, nsPresContext* aContext) CPP_THROW_NEW;
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void Destroy(nsPresContext* aContext);
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void RecalcData();
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nsChangeHint CalcDifference(const nsStylePadding& aOther) const;
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#ifdef DEBUG
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static nsChangeHint MaxDifference();
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#endif
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nsStyleSides mPadding; // [reset] coord, percent
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PRBool 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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protected:
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PRPackedBool mHasCachedPadding;
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nsMargin mCachedPadding;
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};
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struct nsBorderColors {
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nsBorderColors* mNext;
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nscolor mColor;
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nsBorderColors() : mNext(nsnull), mColor(NS_RGB(0,0,0)) {}
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nsBorderColors(const nscolor& aColor) : mNext(nsnull), mColor(aColor) {}
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~nsBorderColors();
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nsBorderColors* Clone() const { return Clone(PR_TRUE); }
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static PRBool Equal(const nsBorderColors* c1,
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const nsBorderColors* c2) {
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if (c1 == c2)
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return PR_TRUE;
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while (c1 && c2) {
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if (c1->mColor != c2->mColor)
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return PR_FALSE;
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c1 = c1->mNext;
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c2 = c2->mNext;
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}
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// both should be NULL if these are equal, otherwise one
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// has more colors than another
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return !c1 && !c2;
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}
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private:
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nsBorderColors* Clone(PRBool aDeep) const;
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};
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struct nsCSSShadowItem {
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nscoord mXOffset;
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nscoord mYOffset;
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nscoord mRadius;
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nscoord mSpread;
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nscolor mColor;
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PRPackedBool mHasColor; // Whether mColor should be used
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PRPackedBool mInset;
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nsCSSShadowItem() : mHasColor(PR_FALSE) {
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MOZ_COUNT_CTOR(nsCSSShadowItem);
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}
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~nsCSSShadowItem() {
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MOZ_COUNT_DTOR(nsCSSShadowItem);
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}
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PRBool operator==(const nsCSSShadowItem& aOther) {
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return (mXOffset == aOther.mXOffset &&
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mYOffset == aOther.mYOffset &&
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mRadius == aOther.mRadius &&
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mHasColor == aOther.mHasColor &&
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mSpread == aOther.mSpread &&
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mInset == aOther.mInset &&
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(!mHasColor || mColor == aOther.mColor));
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}
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PRBool operator!=(const nsCSSShadowItem& aOther) {
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return !(*this == aOther);
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}
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};
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class nsCSSShadowArray {
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public:
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void* operator new(size_t aBaseSize, PRUint32 aArrayLen) {
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// We can allocate both this nsCSSShadowArray and the
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// actual array in one allocation. The amount of memory to
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// allocate is equal to the class's size + the number of bytes for all
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// but the first array item (because aBaseSize includes one
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// item, see the private declarations)
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return ::operator new(aBaseSize +
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(aArrayLen - 1) * sizeof(nsCSSShadowItem));
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}
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nsCSSShadowArray(PRUint32 aArrayLen) :
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mLength(aArrayLen), mRefCnt(0)
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{
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MOZ_COUNT_CTOR(nsCSSShadowArray);
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for (PRUint32 i = 1; i < mLength; ++i) {
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// Make sure we call the constructors of each nsCSSShadowItem
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// (the first one is called for us because we declared it under private)
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new (&mArray[i]) nsCSSShadowItem();
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}
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}
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~nsCSSShadowArray() {
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MOZ_COUNT_DTOR(nsCSSShadowArray);
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for (PRUint32 i = 1; i < mLength; ++i) {
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mArray[i].~nsCSSShadowItem();
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}
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}
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nsrefcnt AddRef() {
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if (mRefCnt == PR_UINT32_MAX) {
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NS_WARNING("refcount overflow, leaking object");
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return mRefCnt;
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}
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return ++mRefCnt;
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}
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nsrefcnt Release();
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PRUint32 Length() const { return mLength; }
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nsCSSShadowItem* ShadowAt(PRUint32 i) {
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NS_ABORT_IF_FALSE(i < mLength, "Accessing too high an index in the text shadow array!");
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return &mArray[i];
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}
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const nsCSSShadowItem* ShadowAt(PRUint32 i) const {
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NS_ABORT_IF_FALSE(i < mLength, "Accessing too high an index in the text shadow array!");
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return &mArray[i];
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}
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private:
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PRUint32 mLength;
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PRUint32 mRefCnt;
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nsCSSShadowItem mArray[1]; // This MUST be the last item
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};
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// Border widths are rounded to the nearest-below integer number of pixels,
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// but values between zero and one device pixels are always rounded up to
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// one device pixel.
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#define NS_ROUND_BORDER_TO_PIXELS(l,tpp) \
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((l) == 0) ? 0 : PR_MAX((tpp), (l) / (tpp) * (tpp))
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// Outline offset is rounded to the nearest integer number of pixels, but values
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// between zero and one device pixels are always rounded up to one device pixel.
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// Note that the offset can be negative.
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#define NS_ROUND_OFFSET_TO_PIXELS(l,tpp) \
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(((l) == 0) ? 0 : \
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((l) > 0) ? PR_MAX( (tpp), ((l) + ((tpp) / 2)) / (tpp) * (tpp)) : \
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PR_MIN(-(tpp), ((l) - ((tpp) / 2)) / (tpp) * (tpp)))
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// Returns if the given border style type is visible or not
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static PRBool IsVisibleBorderStyle(PRUint8 aStyle)
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{
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return (aStyle != NS_STYLE_BORDER_STYLE_NONE &&
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aStyle != NS_STYLE_BORDER_STYLE_HIDDEN);
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}
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struct nsStyleBorder {
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nsStyleBorder(nsPresContext* aContext);
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nsStyleBorder(const nsStyleBorder& aBorder);
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~nsStyleBorder();
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void* operator new(size_t sz, nsPresContext* aContext) CPP_THROW_NEW;
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void Destroy(nsPresContext* aContext);
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nsChangeHint CalcDifference(const nsStyleBorder& aOther) const;
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#ifdef DEBUG
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static nsChangeHint MaxDifference();
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#endif
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PRBool ImageBorderDiffers() const;
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nsStyleCorners mBorderRadius; // [reset] coord, percent
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nsStyleSides mBorderImageSplit; // [reset] integer, percent
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PRUint8 mFloatEdge; // [reset] see nsStyleConsts.h
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PRUint8 mBorderImageHFill; // [reset]
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PRUint8 mBorderImageVFill; // [reset]
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nsBorderColors** mBorderColors; // [reset] multiple levels of color for a border.
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nsRefPtr<nsCSSShadowArray> mBoxShadow; // [reset] NULL for 'none'
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PRBool mHaveBorderImageWidth; // [reset]
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nsMargin mBorderImageWidth; // [reset]
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void EnsureBorderColors() {
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if (!mBorderColors) {
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mBorderColors = new nsBorderColors*[4];
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if (mBorderColors)
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for (PRInt32 i = 0; i < 4; i++)
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mBorderColors[i] = nsnull;
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}
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}
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void ClearBorderColors(PRUint8 aSide) {
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if (mBorderColors && mBorderColors[aSide]) {
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delete mBorderColors[aSide];
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mBorderColors[aSide] = nsnull;
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}
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}
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// Return whether aStyle is a visible style. Invisible styles cause
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// the relevant computed border width to be 0.
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// Note that this does *not* consider the effects of 'border-image':
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// if border-style is none, but there is a loaded border image,
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// HasVisibleStyle will be false even though there *is* a border.
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PRBool HasVisibleStyle(PRUint8 aSide)
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{
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return IsVisibleBorderStyle(GetBorderStyle(aSide));
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}
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// aBorderWidth is in twips
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void SetBorderWidth(PRUint8 aSide, nscoord aBorderWidth)
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{
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nscoord roundedWidth =
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NS_ROUND_BORDER_TO_PIXELS(aBorderWidth, mTwipsPerPixel);
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mBorder.side(aSide) = roundedWidth;
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if (HasVisibleStyle(aSide))
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mComputedBorder.side(aSide) = roundedWidth;
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}
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void SetBorderImageWidthOverride(PRUint8 aSide, nscoord aBorderWidth)
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{
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mBorderImageWidth.side(aSide) =
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NS_ROUND_BORDER_TO_PIXELS(aBorderWidth, mTwipsPerPixel);
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}
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// Get the actual border, in twips. (If there is no border-image
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// loaded, this is the same as GetComputedBorder. If there is a
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// border-image loaded, it uses the border-image width overrides if
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// present, and otherwise mBorder, which is GetComputedBorder without
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// considering border-style: none.)
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const nsMargin& GetActualBorder() const;
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// Get the computed border (plus rounding). This does consider the
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// effects of 'border-style: none', but does not consider
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// 'border-image'.
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const nsMargin& GetComputedBorder() const
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{
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return mComputedBorder;
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}
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|
|
|
// Get the actual border width for a particular side, in twips. Note that
|
|
// this is zero if and only if there is no border to be painted for this
|
|
// side. That is, this value takes into account the border style and the
|
|
// value is rounded to the nearest device pixel by NS_ROUND_BORDER_TO_PIXELS.
|
|
nscoord GetActualBorderWidth(PRUint8 aSide) const
|
|
{
|
|
return GetActualBorder().side(aSide);
|
|
}
|
|
|
|
PRUint8 GetBorderStyle(PRUint8 aSide) const
|
|
{
|
|
NS_ASSERTION(aSide <= NS_SIDE_LEFT, "bad side");
|
|
return (mBorderStyle[aSide] & BORDER_STYLE_MASK);
|
|
}
|
|
|
|
void SetBorderStyle(PRUint8 aSide, PRUint8 aStyle)
|
|
{
|
|
NS_ASSERTION(aSide <= NS_SIDE_LEFT, "bad side");
|
|
mBorderStyle[aSide] &= ~BORDER_STYLE_MASK;
|
|
mBorderStyle[aSide] |= (aStyle & BORDER_STYLE_MASK);
|
|
mComputedBorder.side(aSide) =
|
|
(HasVisibleStyle(aSide) ? mBorder.side(aSide) : 0);
|
|
}
|
|
|
|
// Defined in nsStyleStructInlines.h
|
|
inline PRBool IsBorderImageLoaded() const;
|
|
|
|
void GetBorderColor(PRUint8 aSide, nscolor& aColor,
|
|
PRBool& aForeground) const
|
|
{
|
|
aForeground = PR_FALSE;
|
|
NS_ASSERTION(aSide <= NS_SIDE_LEFT, "bad side");
|
|
if ((mBorderStyle[aSide] & BORDER_COLOR_SPECIAL) == 0)
|
|
aColor = mBorderColor[aSide];
|
|
else if (mBorderStyle[aSide] & BORDER_COLOR_FOREGROUND)
|
|
aForeground = PR_TRUE;
|
|
else
|
|
NS_NOTREACHED("OUTLINE_COLOR_INITIAL should not be set here");
|
|
}
|
|
|
|
void SetBorderColor(PRUint8 aSide, nscolor aColor)
|
|
{
|
|
NS_ASSERTION(aSide <= NS_SIDE_LEFT, "bad side");
|
|
mBorderColor[aSide] = aColor;
|
|
mBorderStyle[aSide] &= ~BORDER_COLOR_SPECIAL;
|
|
}
|
|
|
|
// These are defined in nsStyleStructInlines.h
|
|
inline void SetBorderImage(imgIRequest* aImage);
|
|
inline imgIRequest* GetBorderImage() const;
|
|
|
|
void GetCompositeColors(PRInt32 aIndex, nsBorderColors** aColors) const
|
|
{
|
|
if (!mBorderColors)
|
|
*aColors = nsnull;
|
|
else
|
|
*aColors = mBorderColors[aIndex];
|
|
}
|
|
|
|
void AppendBorderColor(PRInt32 aIndex, nscolor aColor)
|
|
{
|
|
NS_ASSERTION(aIndex >= 0 && aIndex <= 3, "bad side for composite border color");
|
|
nsBorderColors* colorEntry = new nsBorderColors(aColor);
|
|
if (!mBorderColors[aIndex])
|
|
mBorderColors[aIndex] = colorEntry;
|
|
else {
|
|
nsBorderColors* last = mBorderColors[aIndex];
|
|
while (last->mNext)
|
|
last = last->mNext;
|
|
last->mNext = colorEntry;
|
|
}
|
|
mBorderStyle[aIndex] &= ~BORDER_COLOR_SPECIAL;
|
|
}
|
|
|
|
void SetBorderToForeground(PRUint8 aSide)
|
|
{
|
|
NS_ASSERTION(aSide <= NS_SIDE_LEFT, "bad side");
|
|
mBorderStyle[aSide] &= ~BORDER_COLOR_SPECIAL;
|
|
mBorderStyle[aSide] |= BORDER_COLOR_FOREGROUND;
|
|
}
|
|
|
|
protected:
|
|
// mComputedBorder holds the CSS2.1 computed border-width values. In
|
|
// particular, these widths take into account the border-style for the
|
|
// relevant side and the values are rounded to the nearest device
|
|
// pixel. They are also rounded (which is not part of the definition
|
|
// of computed values). However, they do *not* take into account the
|
|
// presence of border-image. See GetActualBorder above for how to
|
|
// really get the actual border.
|
|
nsMargin mComputedBorder;
|
|
|
|
// mBorder holds the nscoord values for the border widths as they would be if
|
|
// all the border-style values were visible (not hidden or none). This
|
|
// member exists so that when we create structs using the copy
|
|
// constructor during style resolution the new structs will know what the
|
|
// specified values of the border were in case they have more specific rules
|
|
// setting the border style. Note that this isn't quite the CSS specified
|
|
// value, since this has had the enumerated border widths converted to
|
|
// lengths, and all lengths converted to twips. But it's not quite the
|
|
// computed value either. The values are rounded to the nearest device pixel
|
|
// We also use these values when we have a loaded border-image that
|
|
// does not have width overrides.
|
|
nsMargin mBorder;
|
|
|
|
PRUint8 mBorderStyle[4]; // [reset] See nsStyleConsts.h
|
|
nscolor mBorderColor[4]; // [reset] the colors to use for a simple border. not used
|
|
// if -moz-border-colors is specified
|
|
|
|
nsCOMPtr<imgIRequest> mBorderImage; // [reset]
|
|
|
|
nscoord mTwipsPerPixel;
|
|
};
|
|
|
|
|
|
struct nsStyleOutline {
|
|
nsStyleOutline(nsPresContext* aPresContext);
|
|
nsStyleOutline(const nsStyleOutline& aOutline);
|
|
~nsStyleOutline(void) {}
|
|
|
|
void* operator new(size_t sz, nsPresContext* aContext) CPP_THROW_NEW {
|
|
return aContext->AllocateFromShell(sz);
|
|
}
|
|
void Destroy(nsPresContext* aContext) {
|
|
this->~nsStyleOutline();
|
|
aContext->FreeToShell(sizeof(nsStyleOutline), this);
|
|
}
|
|
|
|
void RecalcData(nsPresContext* aContext);
|
|
nsChangeHint CalcDifference(const nsStyleOutline& aOther) const;
|
|
#ifdef DEBUG
|
|
static nsChangeHint MaxDifference();
|
|
#endif
|
|
|
|
nsStyleCorners mOutlineRadius; // [reset] coord, percent
|
|
|
|
// Note that this is a specified value. You can get the actual values
|
|
// with GetOutlineWidth. You cannot get the computed value directly.
|
|
nsStyleCoord mOutlineWidth; // [reset] coord, enum (see nsStyleConsts.h)
|
|
nscoord mOutlineOffset; // [reset]
|
|
|
|
PRBool GetOutlineWidth(nscoord& aWidth) const
|
|
{
|
|
if (mHasCachedOutline) {
|
|
aWidth = mCachedOutlineWidth;
|
|
return PR_TRUE;
|
|
}
|
|
return PR_FALSE;
|
|
}
|
|
|
|
PRUint8 GetOutlineStyle(void) const
|
|
{
|
|
return (mOutlineStyle & BORDER_STYLE_MASK);
|
|
}
|
|
|
|
void SetOutlineStyle(PRUint8 aStyle)
|
|
{
|
|
mOutlineStyle &= ~BORDER_STYLE_MASK;
|
|
mOutlineStyle |= (aStyle & BORDER_STYLE_MASK);
|
|
}
|
|
|
|
// PR_FALSE means initial value
|
|
PRBool GetOutlineColor(nscolor& aColor) const
|
|
{
|
|
if ((mOutlineStyle & BORDER_COLOR_SPECIAL) == 0) {
|
|
aColor = mOutlineColor;
|
|
return PR_TRUE;
|
|
}
|
|
return PR_FALSE;
|
|
}
|
|
|
|
void SetOutlineColor(nscolor aColor)
|
|
{
|
|
mOutlineColor = aColor;
|
|
mOutlineStyle &= ~BORDER_COLOR_SPECIAL;
|
|
}
|
|
|
|
void SetOutlineInitialColor()
|
|
{
|
|
mOutlineStyle |= OUTLINE_COLOR_INITIAL;
|
|
}
|
|
|
|
PRBool GetOutlineInitialColor() const
|
|
{
|
|
return !!(mOutlineStyle & OUTLINE_COLOR_INITIAL);
|
|
}
|
|
|
|
protected:
|
|
// This value is the actual value, so it's rounded to the nearest device
|
|
// pixel.
|
|
nscoord mCachedOutlineWidth;
|
|
|
|
nscolor mOutlineColor; // [reset]
|
|
|
|
PRPackedBool mHasCachedOutline;
|
|
PRUint8 mOutlineStyle; // [reset] See nsStyleConsts.h
|
|
|
|
nscoord mTwipsPerPixel;
|
|
};
|
|
|
|
|
|
struct nsStyleList {
|
|
nsStyleList(void);
|
|
nsStyleList(const nsStyleList& aStyleList);
|
|
~nsStyleList(void);
|
|
|
|
void* operator new(size_t sz, nsPresContext* aContext) CPP_THROW_NEW {
|
|
return aContext->AllocateFromShell(sz);
|
|
}
|
|
void Destroy(nsPresContext* aContext) {
|
|
this->~nsStyleList();
|
|
aContext->FreeToShell(sizeof(nsStyleList), this);
|
|
}
|
|
|
|
nsChangeHint CalcDifference(const nsStyleList& aOther) const;
|
|
#ifdef DEBUG
|
|
static nsChangeHint MaxDifference();
|
|
#endif
|
|
|
|
PRUint8 mListStyleType; // [inherited] See nsStyleConsts.h
|
|
PRUint8 mListStylePosition; // [inherited]
|
|
nsCOMPtr<imgIRequest> mListStyleImage; // [inherited]
|
|
nsRect mImageRegion; // [inherited] the rect to use within an image
|
|
};
|
|
|
|
struct nsStylePosition {
|
|
nsStylePosition(void);
|
|
nsStylePosition(const nsStylePosition& aOther);
|
|
~nsStylePosition(void);
|
|
|
|
void* operator new(size_t sz, nsPresContext* aContext) CPP_THROW_NEW {
|
|
return aContext->AllocateFromShell(sz);
|
|
}
|
|
void Destroy(nsPresContext* aContext) {
|
|
this->~nsStylePosition();
|
|
aContext->FreeToShell(sizeof(nsStylePosition), this);
|
|
}
|
|
|
|
nsChangeHint CalcDifference(const nsStylePosition& aOther) const;
|
|
#ifdef DEBUG
|
|
static nsChangeHint MaxDifference();
|
|
#endif
|
|
|
|
nsStyleSides mOffset; // [reset] coord, percent, auto
|
|
nsStyleCoord mWidth; // [reset] coord, percent, auto, enum
|
|
nsStyleCoord mMinWidth; // [reset] coord, percent, enum
|
|
nsStyleCoord mMaxWidth; // [reset] coord, percent, null, enum
|
|
nsStyleCoord mHeight; // [reset] coord, percent, auto
|
|
nsStyleCoord mMinHeight; // [reset] coord, percent
|
|
nsStyleCoord mMaxHeight; // [reset] coord, percent, null
|
|
PRUint8 mBoxSizing; // [reset] see nsStyleConsts.h
|
|
nsStyleCoord mZIndex; // [reset] integer, auto
|
|
};
|
|
|
|
struct nsStyleTextReset {
|
|
nsStyleTextReset(void);
|
|
nsStyleTextReset(const nsStyleTextReset& aOther);
|
|
~nsStyleTextReset(void);
|
|
|
|
void* operator new(size_t sz, nsPresContext* aContext) CPP_THROW_NEW {
|
|
return aContext->AllocateFromShell(sz);
|
|
}
|
|
void Destroy(nsPresContext* aContext) {
|
|
this->~nsStyleTextReset();
|
|
aContext->FreeToShell(sizeof(nsStyleTextReset), this);
|
|
}
|
|
|
|
nsChangeHint CalcDifference(const nsStyleTextReset& aOther) const;
|
|
#ifdef DEBUG
|
|
static nsChangeHint MaxDifference();
|
|
#endif
|
|
|
|
PRUint8 mTextDecoration; // [reset] see nsStyleConsts.h
|
|
PRUint8 mUnicodeBidi; // [reset] see nsStyleConsts.h
|
|
|
|
nsStyleCoord mVerticalAlign; // [reset] coord, percent, enum (see nsStyleConsts.h)
|
|
};
|
|
|
|
struct nsStyleText {
|
|
nsStyleText(void);
|
|
nsStyleText(const nsStyleText& aOther);
|
|
~nsStyleText(void);
|
|
|
|
void* operator new(size_t sz, nsPresContext* aContext) CPP_THROW_NEW {
|
|
return aContext->AllocateFromShell(sz);
|
|
}
|
|
void Destroy(nsPresContext* aContext) {
|
|
this->~nsStyleText();
|
|
aContext->FreeToShell(sizeof(nsStyleText), this);
|
|
}
|
|
|
|
nsChangeHint CalcDifference(const nsStyleText& aOther) const;
|
|
#ifdef DEBUG
|
|
static nsChangeHint MaxDifference();
|
|
#endif
|
|
|
|
PRUint8 mTextAlign; // [inherited] see nsStyleConsts.h
|
|
PRUint8 mTextTransform; // [inherited] see nsStyleConsts.h
|
|
PRUint8 mWhiteSpace; // [inherited] see nsStyleConsts.h
|
|
PRUint8 mWordWrap; // [inherited] see nsStyleConsts.h
|
|
|
|
nsStyleCoord mLetterSpacing; // [inherited] coord, normal
|
|
nsStyleCoord mLineHeight; // [inherited] coord, factor, normal
|
|
nsStyleCoord mTextIndent; // [inherited] coord, percent
|
|
nscoord mWordSpacing; // [inherited]
|
|
|
|
nsRefPtr<nsCSSShadowArray> mTextShadow; // [inherited] NULL in case of a zero-length
|
|
|
|
PRBool WhiteSpaceIsSignificant() const {
|
|
return mWhiteSpace == NS_STYLE_WHITESPACE_PRE ||
|
|
mWhiteSpace == NS_STYLE_WHITESPACE_PRE_WRAP;
|
|
}
|
|
|
|
PRBool NewlineIsSignificant() const {
|
|
return mWhiteSpace == NS_STYLE_WHITESPACE_PRE ||
|
|
mWhiteSpace == NS_STYLE_WHITESPACE_PRE_WRAP ||
|
|
mWhiteSpace == NS_STYLE_WHITESPACE_PRE_LINE;
|
|
}
|
|
|
|
PRBool WhiteSpaceCanWrap() const {
|
|
return mWhiteSpace == NS_STYLE_WHITESPACE_NORMAL ||
|
|
mWhiteSpace == NS_STYLE_WHITESPACE_PRE_WRAP ||
|
|
mWhiteSpace == NS_STYLE_WHITESPACE_PRE_LINE;
|
|
}
|
|
|
|
PRBool WordCanWrap() const {
|
|
return WhiteSpaceCanWrap() && mWordWrap == NS_STYLE_WORDWRAP_BREAK_WORD;
|
|
}
|
|
};
|
|
|
|
struct nsStyleVisibility {
|
|
nsStyleVisibility(nsPresContext* aPresContext);
|
|
nsStyleVisibility(const nsStyleVisibility& aVisibility);
|
|
~nsStyleVisibility() {}
|
|
|
|
void* operator new(size_t sz, nsPresContext* aContext) CPP_THROW_NEW {
|
|
return aContext->AllocateFromShell(sz);
|
|
}
|
|
void Destroy(nsPresContext* aContext) {
|
|
this->~nsStyleVisibility();
|
|
aContext->FreeToShell(sizeof(nsStyleVisibility), this);
|
|
}
|
|
|
|
nsChangeHint CalcDifference(const nsStyleVisibility& aOther) const;
|
|
#ifdef DEBUG
|
|
static nsChangeHint MaxDifference();
|
|
#endif
|
|
|
|
PRUint8 mDirection; // [inherited] see nsStyleConsts.h NS_STYLE_DIRECTION_*
|
|
PRUint8 mVisible; // [inherited]
|
|
nsCOMPtr<nsIAtom> mLangGroup; // [inherited]
|
|
|
|
PRBool IsVisible() const {
|
|
return (mVisible == NS_STYLE_VISIBILITY_VISIBLE);
|
|
}
|
|
|
|
PRBool IsVisibleOrCollapsed() const {
|
|
return ((mVisible == NS_STYLE_VISIBILITY_VISIBLE) ||
|
|
(mVisible == NS_STYLE_VISIBILITY_COLLAPSE));
|
|
}
|
|
};
|
|
|
|
struct nsStyleDisplay {
|
|
nsStyleDisplay();
|
|
nsStyleDisplay(const nsStyleDisplay& aOther);
|
|
~nsStyleDisplay() {}
|
|
|
|
void* operator new(size_t sz, nsPresContext* aContext) CPP_THROW_NEW {
|
|
return aContext->AllocateFromShell(sz);
|
|
}
|
|
void Destroy(nsPresContext* aContext) {
|
|
this->~nsStyleDisplay();
|
|
aContext->FreeToShell(sizeof(nsStyleDisplay), this);
|
|
}
|
|
|
|
nsChangeHint CalcDifference(const nsStyleDisplay& aOther) const;
|
|
#ifdef DEBUG
|
|
static nsChangeHint MaxDifference();
|
|
#endif
|
|
|
|
// We guarantee that if mBinding is non-null, so are mBinding->mURI and
|
|
// mBinding->mOriginPrincipal.
|
|
nsRefPtr<nsCSSValue::URL> mBinding; // [reset]
|
|
#if 0
|
|
// XXX This is how it is defined in the CSS2 spec, but the errata
|
|
// changed it to be consistent with the positioning draft and how
|
|
// Nav and IE implement it
|
|
nsMargin mClip; // [reset] offsets from respective edge
|
|
#else
|
|
nsRect mClip; // [reset] offsets from upper-left border edge
|
|
#endif
|
|
float mOpacity; // [reset]
|
|
PRUint8 mDisplay; // [reset] see nsStyleConsts.h NS_STYLE_DISPLAY_*
|
|
PRUint8 mOriginalDisplay; // [reset] saved mDisplay for position:absolute/fixed
|
|
PRUint8 mAppearance; // [reset]
|
|
PRUint8 mPosition; // [reset] see nsStyleConsts.h
|
|
PRUint8 mFloats; // [reset] see nsStyleConsts.h NS_STYLE_FLOAT_*
|
|
PRUint8 mBreakType; // [reset] see nsStyleConsts.h NS_STYLE_CLEAR_*
|
|
PRPackedBool mBreakBefore; // [reset]
|
|
PRPackedBool mBreakAfter; // [reset]
|
|
PRUint8 mOverflowX; // [reset] see nsStyleConsts.h
|
|
PRUint8 mOverflowY; // [reset] see nsStyleConsts.h
|
|
PRUint8 mClipFlags; // [reset] see nsStyleConsts.h
|
|
PRPackedBool mTransformPresent; // [reset] Whether there is a -moz-transform.
|
|
nsStyleTransformMatrix mTransform; // [reset] The stored transform matrix
|
|
nsStyleCoord mTransformOrigin[2]; // [reset] percent, coord.
|
|
|
|
PRBool IsBlockInside() const {
|
|
return NS_STYLE_DISPLAY_BLOCK == mDisplay ||
|
|
NS_STYLE_DISPLAY_LIST_ITEM == mDisplay ||
|
|
NS_STYLE_DISPLAY_INLINE_BLOCK == mDisplay;
|
|
// Should TABLE_CELL and TABLE_CAPTION go here? They have
|
|
// block frames nested inside of them.
|
|
// (But please audit all callers before changing.)
|
|
}
|
|
|
|
PRBool IsBlockOutside() const {
|
|
return NS_STYLE_DISPLAY_BLOCK == mDisplay ||
|
|
NS_STYLE_DISPLAY_LIST_ITEM == mDisplay ||
|
|
NS_STYLE_DISPLAY_TABLE == mDisplay;
|
|
}
|
|
|
|
PRBool IsInlineOutside() const {
|
|
return NS_STYLE_DISPLAY_INLINE == mDisplay ||
|
|
NS_STYLE_DISPLAY_INLINE_BLOCK == mDisplay ||
|
|
NS_STYLE_DISPLAY_INLINE_TABLE == mDisplay ||
|
|
NS_STYLE_DISPLAY_INLINE_BOX == mDisplay ||
|
|
NS_STYLE_DISPLAY_INLINE_GRID == mDisplay ||
|
|
NS_STYLE_DISPLAY_INLINE_STACK == mDisplay;
|
|
}
|
|
|
|
PRBool IsFloating() const {
|
|
return NS_STYLE_FLOAT_NONE != mFloats;
|
|
}
|
|
|
|
PRBool IsAbsolutelyPositioned() const {return (NS_STYLE_POSITION_ABSOLUTE == mPosition) ||
|
|
(NS_STYLE_POSITION_FIXED == mPosition);}
|
|
|
|
/* Returns true if we're positioned or there's a transform in effect. */
|
|
PRBool IsPositioned() const {
|
|
return IsAbsolutelyPositioned() ||
|
|
NS_STYLE_POSITION_RELATIVE == mPosition || mTransformPresent;
|
|
}
|
|
|
|
PRBool IsScrollableOverflow() const {
|
|
// mOverflowX and mOverflowY always match when one of them is
|
|
// NS_STYLE_OVERFLOW_VISIBLE or NS_STYLE_OVERFLOW_CLIP.
|
|
return mOverflowX != NS_STYLE_OVERFLOW_VISIBLE &&
|
|
mOverflowX != NS_STYLE_OVERFLOW_CLIP;
|
|
}
|
|
|
|
// For table elements that don't support scroll frame creation, we
|
|
// support 'overflow: hidden' to mean 'overflow: -moz-hidden-unscrollable'.
|
|
PRBool IsTableClip() const {
|
|
return mOverflowX == NS_STYLE_OVERFLOW_CLIP ||
|
|
(mOverflowX == NS_STYLE_OVERFLOW_HIDDEN &&
|
|
mOverflowY == NS_STYLE_OVERFLOW_HIDDEN);
|
|
}
|
|
|
|
/* Returns whether the element has the -moz-transform property. */
|
|
PRBool HasTransform() const {
|
|
return mTransformPresent;
|
|
}
|
|
};
|
|
|
|
struct nsStyleTable {
|
|
nsStyleTable(void);
|
|
nsStyleTable(const nsStyleTable& aOther);
|
|
~nsStyleTable(void);
|
|
|
|
void* operator new(size_t sz, nsPresContext* aContext) CPP_THROW_NEW {
|
|
return aContext->AllocateFromShell(sz);
|
|
}
|
|
void Destroy(nsPresContext* aContext) {
|
|
this->~nsStyleTable();
|
|
aContext->FreeToShell(sizeof(nsStyleTable), this);
|
|
}
|
|
|
|
nsChangeHint CalcDifference(const nsStyleTable& aOther) const;
|
|
#ifdef DEBUG
|
|
static nsChangeHint MaxDifference();
|
|
#endif
|
|
|
|
PRUint8 mLayoutStrategy;// [reset] see nsStyleConsts.h NS_STYLE_TABLE_LAYOUT_*
|
|
PRUint8 mFrame; // [reset] see nsStyleConsts.h NS_STYLE_TABLE_FRAME_*
|
|
PRUint8 mRules; // [reset] see nsStyleConsts.h NS_STYLE_TABLE_RULES_*
|
|
PRInt32 mCols; // [reset] an integer if set, or see nsStyleConsts.h NS_STYLE_TABLE_COLS_*
|
|
PRInt32 mSpan; // [reset] the number of columns spanned by a colgroup or col
|
|
};
|
|
|
|
struct nsStyleTableBorder {
|
|
nsStyleTableBorder(nsPresContext* aContext);
|
|
nsStyleTableBorder(const nsStyleTableBorder& aOther);
|
|
~nsStyleTableBorder(void);
|
|
|
|
void* operator new(size_t sz, nsPresContext* aContext) CPP_THROW_NEW {
|
|
return aContext->AllocateFromShell(sz);
|
|
}
|
|
void Destroy(nsPresContext* aContext) {
|
|
this->~nsStyleTableBorder();
|
|
aContext->FreeToShell(sizeof(nsStyleTableBorder), this);
|
|
}
|
|
|
|
nsChangeHint CalcDifference(const nsStyleTableBorder& aOther) const;
|
|
#ifdef DEBUG
|
|
static nsChangeHint MaxDifference();
|
|
#endif
|
|
|
|
nscoord mBorderSpacingX;// [inherited]
|
|
nscoord mBorderSpacingY;// [inherited]
|
|
PRUint8 mBorderCollapse;// [inherited]
|
|
PRUint8 mCaptionSide; // [inherited]
|
|
PRUint8 mEmptyCells; // [inherited]
|
|
};
|
|
|
|
enum nsStyleContentType {
|
|
eStyleContentType_String = 1,
|
|
eStyleContentType_Image = 10,
|
|
eStyleContentType_Attr = 20,
|
|
eStyleContentType_Counter = 30,
|
|
eStyleContentType_Counters = 31,
|
|
eStyleContentType_OpenQuote = 40,
|
|
eStyleContentType_CloseQuote = 41,
|
|
eStyleContentType_NoOpenQuote = 42,
|
|
eStyleContentType_NoCloseQuote = 43,
|
|
eStyleContentType_AltContent = 50
|
|
};
|
|
|
|
struct nsStyleContentData {
|
|
nsStyleContentType mType;
|
|
union {
|
|
PRUnichar *mString;
|
|
imgIRequest *mImage;
|
|
nsCSSValue::Array* mCounters;
|
|
} mContent;
|
|
|
|
nsStyleContentData() : mType(nsStyleContentType(0)) { mContent.mString = nsnull; }
|
|
~nsStyleContentData();
|
|
nsStyleContentData& operator=(const nsStyleContentData& aOther);
|
|
PRBool operator==(const nsStyleContentData& aOther) const;
|
|
|
|
PRBool operator!=(const nsStyleContentData& aOther) const {
|
|
return !(*this == aOther);
|
|
}
|
|
private:
|
|
nsStyleContentData(const nsStyleContentData&); // not to be implemented
|
|
};
|
|
|
|
struct nsStyleCounterData {
|
|
nsString mCounter;
|
|
PRInt32 mValue;
|
|
};
|
|
|
|
|
|
#define DELETE_ARRAY_IF(array) if (array) { delete[] array; array = nsnull; }
|
|
|
|
struct nsStyleQuotes {
|
|
nsStyleQuotes();
|
|
nsStyleQuotes(const nsStyleQuotes& aQuotes);
|
|
~nsStyleQuotes();
|
|
|
|
void* operator new(size_t sz, nsPresContext* aContext) CPP_THROW_NEW {
|
|
return aContext->AllocateFromShell(sz);
|
|
}
|
|
void Destroy(nsPresContext* aContext) {
|
|
this->~nsStyleQuotes();
|
|
aContext->FreeToShell(sizeof(nsStyleQuotes), this);
|
|
}
|
|
|
|
void SetInitial();
|
|
void CopyFrom(const nsStyleQuotes& aSource);
|
|
|
|
nsChangeHint CalcDifference(const nsStyleQuotes& aOther) const;
|
|
#ifdef DEBUG
|
|
static nsChangeHint MaxDifference();
|
|
#endif
|
|
|
|
PRUint32 QuotesCount(void) const { return mQuotesCount; } // [inherited]
|
|
|
|
const nsString* OpenQuoteAt(PRUint32 aIndex) const
|
|
{
|
|
NS_ASSERTION(aIndex < mQuotesCount, "out of range");
|
|
return mQuotes + (aIndex * 2);
|
|
}
|
|
const nsString* CloseQuoteAt(PRUint32 aIndex) const
|
|
{
|
|
NS_ASSERTION(aIndex < mQuotesCount, "out of range");
|
|
return mQuotes + (aIndex * 2 + 1);
|
|
}
|
|
nsresult 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 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 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;
|
|
}
|
|
|
|
protected:
|
|
PRUint32 mQuotesCount;
|
|
nsString* mQuotes;
|
|
};
|
|
|
|
struct nsStyleContent {
|
|
nsStyleContent(void);
|
|
nsStyleContent(const nsStyleContent& aContent);
|
|
~nsStyleContent(void);
|
|
|
|
void* operator new(size_t sz, nsPresContext* aContext) CPP_THROW_NEW {
|
|
return aContext->AllocateFromShell(sz);
|
|
}
|
|
void Destroy(nsPresContext* aContext) {
|
|
this->~nsStyleContent();
|
|
aContext->FreeToShell(sizeof(nsStyleContent), this);
|
|
}
|
|
|
|
nsChangeHint CalcDifference(const nsStyleContent& aOther) const;
|
|
#ifdef DEBUG
|
|
static nsChangeHint MaxDifference();
|
|
#endif
|
|
|
|
PRUint32 ContentCount(void) const { return mContentCount; } // [reset]
|
|
|
|
const nsStyleContentData& ContentAt(PRUint32 aIndex) const {
|
|
NS_ASSERTION(aIndex < mContentCount, "out of range");
|
|
return mContents[aIndex];
|
|
}
|
|
|
|
nsStyleContentData& ContentAt(PRUint32 aIndex) {
|
|
NS_ASSERTION(aIndex < mContentCount, "out of range");
|
|
return mContents[aIndex];
|
|
}
|
|
|
|
nsresult AllocateContents(PRUint32 aCount);
|
|
|
|
PRUint32 CounterIncrementCount(void) const { return mIncrementCount; } // [reset]
|
|
const nsStyleCounterData* GetCounterIncrementAt(PRUint32 aIndex) const {
|
|
NS_ASSERTION(aIndex < mIncrementCount, "out of range");
|
|
return &mIncrements[aIndex];
|
|
}
|
|
|
|
nsresult 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 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;
|
|
}
|
|
|
|
PRUint32 CounterResetCount(void) const { return mResetCount; } // [reset]
|
|
const nsStyleCounterData* GetCounterResetAt(PRUint32 aIndex) const {
|
|
NS_ASSERTION(aIndex < mResetCount, "out of range");
|
|
return &mResets[aIndex];
|
|
}
|
|
|
|
nsresult 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 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;
|
|
}
|
|
|
|
nsStyleCoord mMarkerOffset; // [reset] coord, auto
|
|
|
|
protected:
|
|
PRUint32 mContentCount;
|
|
nsStyleContentData* mContents;
|
|
|
|
PRUint32 mIncrementCount;
|
|
nsStyleCounterData* mIncrements;
|
|
|
|
PRUint32 mResetCount;
|
|
nsStyleCounterData* mResets;
|
|
};
|
|
|
|
struct nsStyleUIReset {
|
|
nsStyleUIReset(void);
|
|
nsStyleUIReset(const nsStyleUIReset& aOther);
|
|
~nsStyleUIReset(void);
|
|
|
|
void* operator new(size_t sz, nsPresContext* aContext) CPP_THROW_NEW {
|
|
return aContext->AllocateFromShell(sz);
|
|
}
|
|
void Destroy(nsPresContext* aContext) {
|
|
this->~nsStyleUIReset();
|
|
aContext->FreeToShell(sizeof(nsStyleUIReset), this);
|
|
}
|
|
|
|
nsChangeHint CalcDifference(const nsStyleUIReset& aOther) const;
|
|
#ifdef DEBUG
|
|
static nsChangeHint MaxDifference();
|
|
#endif
|
|
|
|
PRUint8 mUserSelect; // [reset] (selection-style)
|
|
PRUint8 mForceBrokenImageIcon; // [reset] (0 if not forcing, otherwise forcing)
|
|
PRUint8 mIMEMode; // [reset]
|
|
PRUint8 mWindowShadow; // [reset]
|
|
};
|
|
|
|
struct nsCursorImage {
|
|
nsCOMPtr<imgIRequest> mImage;
|
|
PRBool mHaveHotspot;
|
|
float mHotspotX, mHotspotY;
|
|
|
|
nsCursorImage();
|
|
};
|
|
|
|
struct nsStyleUserInterface {
|
|
nsStyleUserInterface(void);
|
|
nsStyleUserInterface(const nsStyleUserInterface& aOther);
|
|
~nsStyleUserInterface(void);
|
|
|
|
void* operator new(size_t sz, nsPresContext* aContext) CPP_THROW_NEW {
|
|
return aContext->AllocateFromShell(sz);
|
|
}
|
|
void Destroy(nsPresContext* aContext) {
|
|
this->~nsStyleUserInterface();
|
|
aContext->FreeToShell(sizeof(nsStyleUserInterface), this);
|
|
}
|
|
|
|
nsChangeHint CalcDifference(const nsStyleUserInterface& aOther) const;
|
|
#ifdef DEBUG
|
|
static nsChangeHint MaxDifference();
|
|
#endif
|
|
|
|
PRUint8 mUserInput; // [inherited]
|
|
PRUint8 mUserModify; // [inherited] (modify-content)
|
|
PRUint8 mUserFocus; // [inherited] (auto-select)
|
|
|
|
PRUint8 mCursor; // [inherited] See nsStyleConsts.h
|
|
|
|
PRUint32 mCursorArrayLength;
|
|
nsCursorImage *mCursorArray;// [inherited] The specified URL values
|
|
// and coordinates. Takes precedence over
|
|
// mCursor. Zero-length array is represented
|
|
// by null pointer.
|
|
|
|
// Does not free mCursorArray; the caller is responsible for calling
|
|
// |delete [] mCursorArray| first if it is needed.
|
|
void CopyCursorArrayFrom(const nsStyleUserInterface& aSource);
|
|
};
|
|
|
|
struct nsStyleXUL {
|
|
nsStyleXUL();
|
|
nsStyleXUL(const nsStyleXUL& aSource);
|
|
~nsStyleXUL();
|
|
|
|
void* operator new(size_t sz, nsPresContext* aContext) CPP_THROW_NEW {
|
|
return aContext->AllocateFromShell(sz);
|
|
}
|
|
void Destroy(nsPresContext* aContext) {
|
|
this->~nsStyleXUL();
|
|
aContext->FreeToShell(sizeof(nsStyleXUL), this);
|
|
}
|
|
|
|
nsChangeHint CalcDifference(const nsStyleXUL& aOther) const;
|
|
#ifdef DEBUG
|
|
static nsChangeHint MaxDifference();
|
|
#endif
|
|
|
|
float mBoxFlex; // [reset] see nsStyleConsts.h
|
|
PRUint32 mBoxOrdinal; // [reset] see nsStyleConsts.h
|
|
PRUint8 mBoxAlign; // [reset] see nsStyleConsts.h
|
|
PRUint8 mBoxDirection; // [reset] see nsStyleConsts.h
|
|
PRUint8 mBoxOrient; // [reset] see nsStyleConsts.h
|
|
PRUint8 mBoxPack; // [reset] see nsStyleConsts.h
|
|
PRPackedBool mStretchStack; // [reset] see nsStyleConsts.h
|
|
};
|
|
|
|
struct nsStyleColumn {
|
|
nsStyleColumn(nsPresContext* aPresContext);
|
|
nsStyleColumn(const nsStyleColumn& aSource);
|
|
~nsStyleColumn();
|
|
|
|
void* operator new(size_t sz, nsPresContext* aContext) CPP_THROW_NEW {
|
|
return aContext->AllocateFromShell(sz);
|
|
}
|
|
void Destroy(nsPresContext* aContext) {
|
|
this->~nsStyleColumn();
|
|
aContext->FreeToShell(sizeof(nsStyleColumn), this);
|
|
}
|
|
|
|
nsChangeHint CalcDifference(const nsStyleColumn& aOther) const;
|
|
#ifdef DEBUG
|
|
static nsChangeHint MaxDifference();
|
|
#endif
|
|
|
|
PRUint32 mColumnCount; // [reset] see nsStyleConsts.h
|
|
nsStyleCoord mColumnWidth; // [reset] coord, auto
|
|
nsStyleCoord mColumnGap; // [reset] coord, percent, normal
|
|
|
|
nscolor mColumnRuleColor; // [reset]
|
|
PRUint8 mColumnRuleStyle; // [reset]
|
|
// See https://bugzilla.mozilla.org/show_bug.cgi?id=271586#c43 for why
|
|
// this is hard to replace with 'currentColor'.
|
|
PRPackedBool mColumnRuleColorIsForeground;
|
|
|
|
void SetColumnRuleWidth(nscoord aWidth) {
|
|
mColumnRuleWidth = NS_ROUND_BORDER_TO_PIXELS(aWidth, mTwipsPerPixel);
|
|
}
|
|
|
|
nscoord GetComputedColumnRuleWidth() const {
|
|
return (IsVisibleBorderStyle(mColumnRuleStyle) ? mColumnRuleWidth : 0);
|
|
}
|
|
|
|
protected:
|
|
nscoord mColumnRuleWidth; // [reset] coord
|
|
nscoord mTwipsPerPixel;
|
|
};
|
|
|
|
#ifdef MOZ_SVG
|
|
enum nsStyleSVGPaintType {
|
|
eStyleSVGPaintType_None = 1,
|
|
eStyleSVGPaintType_Color,
|
|
eStyleSVGPaintType_Server
|
|
};
|
|
|
|
struct nsStyleSVGPaint
|
|
{
|
|
nsStyleSVGPaintType mType;
|
|
union {
|
|
nscolor mColor;
|
|
nsIURI *mPaintServer;
|
|
} mPaint;
|
|
nscolor mFallbackColor;
|
|
|
|
nsStyleSVGPaint() : mType(nsStyleSVGPaintType(0)) { mPaint.mPaintServer = nsnull; }
|
|
~nsStyleSVGPaint();
|
|
void SetType(nsStyleSVGPaintType aType);
|
|
nsStyleSVGPaint& operator=(const nsStyleSVGPaint& aOther);
|
|
PRBool operator==(const nsStyleSVGPaint& aOther) const;
|
|
|
|
PRBool operator!=(const nsStyleSVGPaint& aOther) const {
|
|
return !(*this == aOther);
|
|
}
|
|
};
|
|
|
|
struct nsStyleSVG {
|
|
nsStyleSVG();
|
|
nsStyleSVG(const nsStyleSVG& aSource);
|
|
~nsStyleSVG();
|
|
|
|
void* operator new(size_t sz, nsPresContext* aContext) CPP_THROW_NEW {
|
|
return aContext->AllocateFromShell(sz);
|
|
}
|
|
void Destroy(nsPresContext* aContext) {
|
|
this->~nsStyleSVG();
|
|
aContext->FreeToShell(sizeof(nsStyleSVG), this);
|
|
}
|
|
|
|
nsChangeHint CalcDifference(const nsStyleSVG& aOther) const;
|
|
#ifdef DEBUG
|
|
static nsChangeHint MaxDifference();
|
|
#endif
|
|
|
|
nsStyleSVGPaint mFill; // [inherited]
|
|
nsStyleSVGPaint mStroke; // [inherited]
|
|
nsCOMPtr<nsIURI> mMarkerEnd; // [inherited]
|
|
nsCOMPtr<nsIURI> mMarkerMid; // [inherited]
|
|
nsCOMPtr<nsIURI> mMarkerStart; // [inherited]
|
|
nsStyleCoord *mStrokeDasharray; // [inherited] coord, percent, factor
|
|
|
|
nsStyleCoord mStrokeDashoffset; // [inherited] coord, percent, factor
|
|
nsStyleCoord mStrokeWidth; // [inherited] coord, percent, factor
|
|
|
|
float mFillOpacity; // [inherited]
|
|
float mStrokeMiterlimit; // [inherited]
|
|
float mStrokeOpacity; // [inherited]
|
|
|
|
PRUint32 mStrokeDasharrayLength;
|
|
PRUint8 mClipRule; // [inherited]
|
|
PRUint8 mColorInterpolation; // [inherited] see nsStyleConsts.h
|
|
PRUint8 mColorInterpolationFilters; // [inherited] see nsStyleConsts.h
|
|
PRUint8 mFillRule; // [inherited] see nsStyleConsts.h
|
|
PRUint8 mPointerEvents; // [inherited] see nsStyleConsts.h
|
|
PRUint8 mShapeRendering; // [inherited] see nsStyleConsts.h
|
|
PRUint8 mStrokeLinecap; // [inherited] see nsStyleConsts.h
|
|
PRUint8 mStrokeLinejoin; // [inherited] see nsStyleConsts.h
|
|
PRUint8 mTextAnchor; // [inherited] see nsStyleConsts.h
|
|
PRUint8 mTextRendering; // [inherited] see nsStyleConsts.h
|
|
};
|
|
|
|
struct nsStyleSVGReset {
|
|
nsStyleSVGReset();
|
|
nsStyleSVGReset(const nsStyleSVGReset& aSource);
|
|
~nsStyleSVGReset();
|
|
|
|
void* operator new(size_t sz, nsPresContext* aContext) CPP_THROW_NEW {
|
|
return aContext->AllocateFromShell(sz);
|
|
}
|
|
void Destroy(nsPresContext* aContext) {
|
|
this->~nsStyleSVGReset();
|
|
aContext->FreeToShell(sizeof(nsStyleSVGReset), this);
|
|
}
|
|
|
|
nsChangeHint CalcDifference(const nsStyleSVGReset& aOther) const;
|
|
#ifdef DEBUG
|
|
static nsChangeHint MaxDifference();
|
|
#endif
|
|
|
|
nscolor mStopColor; // [reset]
|
|
nscolor mFloodColor; // [reset]
|
|
nscolor mLightingColor; // [reset]
|
|
nsCOMPtr<nsIURI> mClipPath; // [reset]
|
|
nsCOMPtr<nsIURI> mFilter; // [reset]
|
|
nsCOMPtr<nsIURI> mMask; // [reset]
|
|
|
|
float mStopOpacity; // [reset]
|
|
float mFloodOpacity; // [reset]
|
|
|
|
PRUint8 mDominantBaseline; // [reset] see nsStyleConsts.h
|
|
};
|
|
#endif
|
|
|
|
#endif /* nsStyleStruct_h___ */
|