зеркало из https://github.com/mozilla/gecko-dev.git
1037 строки
32 KiB
C++
1037 строки
32 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
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the 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 Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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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 "nsVoidArray.h"
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#include "nsStyleCoord.h"
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#include "nsStyleStruct.h"
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#include "nsStyleConsts.h"
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#include "nsIStyleSet.h"
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#include "nsIPresContext.h"
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#include "nsIPresShell.h"
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#include "nsCOMPtr.h"
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#include "nsILanguageAtom.h"
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class nsIFrame;
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enum nsStyleStructID {
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eStyleStruct_Font = 1,
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eStyleStruct_Color = 2,
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eStyleStruct_Background = 3,
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eStyleStruct_List = 4,
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eStyleStruct_Position = 5,
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eStyleStruct_Text = 6,
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eStyleStruct_TextReset = 7,
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eStyleStruct_Display = 8,
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eStyleStruct_Visibility = 9,
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eStyleStruct_Content = 10,
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eStyleStruct_Quotes = 11,
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eStyleStruct_UserInterface = 12,
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eStyleStruct_UIReset = 13,
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eStyleStruct_Table = 14,
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eStyleStruct_TableBorder = 15,
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eStyleStruct_Margin = 16,
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eStyleStruct_Padding = 17,
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eStyleStruct_Border = 18,
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eStyleStruct_Outline = 19,
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eStyleStruct_XUL = 20,
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eStyleStruct_Max = eStyleStruct_XUL,
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eStyleStruct_BorderPaddingShortcut = 21 // only for use in GetStyle()
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};
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// Bits for each struct.
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#define NS_STYLE_INHERIT_BIT(sid_) (1 << (PRInt32(sid_) - 1))
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#define NS_STYLE_INHERIT_FONT NS_STYLE_INHERIT_BIT(eStyleStruct_Font)
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#define NS_STYLE_INHERIT_COLOR NS_STYLE_INHERIT_BIT(eStyleStruct_Color)
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#define NS_STYLE_INHERIT_BACKGROUND NS_STYLE_INHERIT_BIT(eStyleStruct_Background)
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#define NS_STYLE_INHERIT_LIST NS_STYLE_INHERIT_BIT(eStyleStruct_List)
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#define NS_STYLE_INHERIT_POSITION NS_STYLE_INHERIT_BIT(eStyleStruct_Position)
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#define NS_STYLE_INHERIT_TEXT NS_STYLE_INHERIT_BIT(eStyleStruct_Text)
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#define NS_STYLE_INHERIT_TEXT_RESET NS_STYLE_INHERIT_BIT(eStyleStruct_TextReset)
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#define NS_STYLE_INHERIT_DISPLAY NS_STYLE_INHERIT_BIT(eStyleStruct_Display)
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#define NS_STYLE_INHERIT_VISIBILITY NS_STYLE_INHERIT_BIT(eStyleStruct_Visibility)
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#define NS_STYLE_INHERIT_TABLE NS_STYLE_INHERIT_BIT(eStyleStruct_Table)
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#define NS_STYLE_INHERIT_TABLE_BORDER NS_STYLE_INHERIT_BIT(eStyleStruct_TableBorder)
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#define NS_STYLE_INHERIT_CONTENT NS_STYLE_INHERIT_BIT(eStyleStruct_Content)
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#define NS_STYLE_INHERIT_QUOTES NS_STYLE_INHERIT_BIT(eStyleStruct_Quotes)
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#define NS_STYLE_INHERIT_UI NS_STYLE_INHERIT_BIT(eStyleStruct_UserInterface)
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#define NS_STYLE_INHERIT_UI_RESET NS_STYLE_INHERIT_BIT(eStyleStruct_UIReset)
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#define NS_STYLE_INHERIT_MARGIN NS_STYLE_INHERIT_BIT(eStyleStruct_Margin)
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#define NS_STYLE_INHERIT_PADDING NS_STYLE_INHERIT_BIT(eStyleStruct_Padding)
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#define NS_STYLE_INHERIT_BORDER NS_STYLE_INHERIT_BIT(eStyleStruct_Border)
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#define NS_STYLE_INHERIT_OUTLINE NS_STYLE_INHERIT_BIT(eStyleStruct_Outline)
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#define NS_STYLE_INHERIT_XUL NS_STYLE_INHERIT_BIT(eStyleStruct_XUL)
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#define NS_STYLE_INHERIT_MASK 0x0fffff
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// A bit to test whether or not a style context can be shared
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// by siblings.
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#define NS_STYLE_UNIQUE_CONTEXT 0x100000
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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 0x200000
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// The actual structs start here
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struct nsStyleStruct {
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};
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// The lifetime of these objects is managed by the presshell's arena.
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struct nsStyleFont : public nsStyleStruct {
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nsStyleFont(void);
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~nsStyleFont(void) {};
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PRInt32 CalcDifference(const nsStyleFont& aOther) const;
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static PRInt32 CalcFontDifference(const nsFont& aFont1, const nsFont& aFont2);
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void* operator new(size_t sz, nsIPresContext* aContext);
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void Destroy(nsIPresContext* aContext);
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nsFont mFont; // [inherited]
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nsFont mFixedFont; // [inherited]
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PRUint8 mFlags; // [inherited] See nsStyleConsts.h
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nsStyleFont(const nsFont& aVariableFont, const nsFont& aFixedFont);
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nsStyleFont(const nsStyleFont& aStyleFont);
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nsStyleFont(nsIPresContext* aPresContext);
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};
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struct nsStyleColor : public nsStyleStruct {
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nsStyleColor(nsIPresContext* aPresContext);
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nsStyleColor(const nsStyleColor& aOther);
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~nsStyleColor(void) {};
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PRInt32 CalcDifference(const nsStyleColor& aOther) const;
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void* operator new(size_t sz, nsIPresContext* aContext) {
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void* result = nsnull;
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aContext->AllocateFromShell(sz, &result);
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return result;
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}
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void Destroy(nsIPresContext* 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 : public nsStyleStruct {
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nsStyleBackground(nsIPresContext* aPresContext);
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nsStyleBackground(const nsStyleBackground& aOther);
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~nsStyleBackground() {};
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void* operator new(size_t sz, nsIPresContext* aContext) {
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void* result = nsnull;
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aContext->AllocateFromShell(sz, &result);
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return result;
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}
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void Destroy(nsIPresContext* aContext) {
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this->~nsStyleBackground();
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aContext->FreeToShell(sizeof(nsStyleBackground), this);
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};
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PRInt32 CalcDifference(const nsStyleBackground& aOther) const;
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PRUint8 mBackgroundAttachment; // [reset] See nsStyleConsts.h
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PRUint8 mBackgroundFlags; // [reset] See nsStyleConsts.h
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PRUint8 mBackgroundRepeat; // [reset] See nsStyleConsts.h
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nscolor mBackgroundColor; // [reset]
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nscoord mBackgroundXPosition; // [reset]
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nscoord mBackgroundYPosition; // [reset]
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nsString mBackgroundImage; // [reset] absolute url string
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PRBool BackgroundIsTransparent() const {return (mBackgroundFlags &
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(NS_STYLE_BG_COLOR_TRANSPARENT | NS_STYLE_BG_IMAGE_NONE)) ==
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(NS_STYLE_BG_COLOR_TRANSPARENT | NS_STYLE_BG_IMAGE_NONE);}
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};
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#define BORDER_COLOR_DEFINED 0x80
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#define BORDER_COLOR_TRANSPARENT 0x40
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#define BORDER_COLOR_FOREGROUND 0x20
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#define BORDER_COLOR_SPECIAL 0x60 // TRANSPARENT | FOREGROUND
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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: public nsStyleStruct {
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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, nsIPresContext* aContext);
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void Destroy(nsIPresContext* aContext);
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void RecalcData();
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PRInt32 CalcDifference(const nsStyleMargin& aOther) const;
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nsStyleSides mMargin; // [reset] length, percent, auto, inherit
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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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// XXX this is a deprecated method
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void CalcMarginFor(const nsIFrame* aFrame, nsMargin& aMargin) const;
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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: public nsStyleStruct {
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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, nsIPresContext* aContext);
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void Destroy(nsIPresContext* aContext);
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void RecalcData();
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PRInt32 CalcDifference(const nsStylePadding& aOther) const;
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nsStyleSides mPadding; // [reset] length, percent, inherit
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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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// XXX this is a deprecated method
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void CalcPaddingFor(const nsIFrame* aFrame, nsMargin& aPadding) const;
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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 nsStyleBorder: public nsStyleStruct {
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nsStyleBorder() {};
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nsStyleBorder(nsIPresContext* aContext);
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nsStyleBorder(const nsStyleBorder& aBorder);
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~nsStyleBorder(void) {};
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void* operator new(size_t sz, nsIPresContext* aContext);
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void Destroy(nsIPresContext* aContext);
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PRBool IsBorderSideVisible(PRUint8 aSide) const;
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void RecalcData();
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PRInt32 CalcDifference(const nsStyleBorder& aOther) const;
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nsStyleSides mBorder; // [reset] length, enum (see nsStyleConsts.h)
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nsStyleSides mBorderRadius; // [reset] length, percent, inherit
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PRUint8 mFloatEdge; // [reset] see nsStyleConsts.h
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PRBool 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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PRUint8 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 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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void GetBorderColor(PRUint8 aSide, nscolor& aColor,
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PRBool& aTransparent, PRBool& aForeground) const
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{
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aTransparent = aForeground = PR_FALSE;
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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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else if (mBorderStyle[aSide] & BORDER_COLOR_FOREGROUND)
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aForeground = PR_TRUE;
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else
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aTransparent = PR_TRUE;
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}
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void 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 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_SPECIAL;
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mBorderStyle[aSide] |= (BORDER_COLOR_DEFINED | BORDER_COLOR_TRANSPARENT);
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}
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void SetBorderToForeground(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_SPECIAL;
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mBorderStyle[aSide] |= (BORDER_COLOR_DEFINED | BORDER_COLOR_FOREGROUND);
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}
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void 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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// XXX these are deprecated methods
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void CalcBorderFor(const nsIFrame* aFrame, nsMargin& aBorder) const;
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protected:
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PRPackedBool mHasCachedBorder;
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nsMargin mCachedBorder;
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PRUint8 mBorderStyle[4]; // [reset] See nsStyleConsts.h
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nscolor mBorderColor[4]; // [reset]
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// XXX remove with deprecated methods
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nscoord mBorderWidths[3];
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};
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struct nsStyleBorderPadding: public nsStyleStruct {
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nsStyleBorderPadding(void) { mHasCachedBorderPadding = PR_FALSE; };
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~nsStyleBorderPadding(void) {};
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PRBool GetBorderPadding(nsMargin& aBorderPadding) const {
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if (mHasCachedBorderPadding) {
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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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void SetBorderPadding(nsMargin aBorderPadding) {
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mCachedBorderPadding = aBorderPadding;
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mHasCachedBorderPadding = PR_TRUE;
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}
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protected:
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nsMargin mCachedBorderPadding;
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PRPackedBool mHasCachedBorderPadding;
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};
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struct nsStyleOutline: public nsStyleStruct {
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nsStyleOutline(nsIPresContext* aPresContext);
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nsStyleOutline(const nsStyleOutline& aOutline);
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~nsStyleOutline(void) {};
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void* operator new(size_t sz, nsIPresContext* aContext) {
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void* result = nsnull;
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aContext->AllocateFromShell(sz, &result);
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return result;
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}
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void Destroy(nsIPresContext* aContext) {
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this->~nsStyleOutline();
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aContext->FreeToShell(sizeof(nsStyleOutline), this);
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};
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void RecalcData();
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PRInt32 CalcDifference(const nsStyleOutline& aOther) const;
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nsStyleSides mOutlineRadius; // [reset] length, percent, inherit
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// (top=topLeft, right=topRight, bottom=bottomRight, left=bottomLeft)
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nsStyleCoord mOutlineWidth; // [reset] length, enum (see nsStyleConsts.h)
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PRBool 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 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 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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// PR_FALSE means INVERT
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PRBool 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 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 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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PRBool GetOutlineInvert(void) const
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{
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return(mOutlineStyle & BORDER_COLOR_SPECIAL);
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}
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protected:
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PRPackedBool mHasCachedOutline;
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nscoord mCachedOutlineWidth;
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PRUint8 mOutlineStyle; // [reset] See nsStyleConsts.h
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nscolor mOutlineColor; // [reset]
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// XXX remove with deprecated methods
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nscoord mBorderWidths[3];
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};
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struct nsStyleList : public nsStyleStruct {
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nsStyleList(void);
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nsStyleList(const nsStyleList& aStyleList);
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~nsStyleList(void);
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void* operator new(size_t sz, nsIPresContext* aContext) {
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void* result = nsnull;
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aContext->AllocateFromShell(sz, &result);
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return result;
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}
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void Destroy(nsIPresContext* aContext) {
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this->~nsStyleList();
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aContext->FreeToShell(sizeof(nsStyleList), this);
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};
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PRInt32 CalcDifference(const nsStyleList& aOther) const;
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PRUint8 mListStyleType; // [inherited] See nsStyleConsts.h
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PRUint8 mListStylePosition; // [inherited]
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nsString mListStyleImage; // [inherited] absolute url string
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};
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struct nsStylePosition : public nsStyleStruct {
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nsStylePosition(void);
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nsStylePosition(const nsStylePosition& aOther);
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~nsStylePosition(void);
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void* operator new(size_t sz, nsIPresContext* aContext) {
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void* result = nsnull;
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aContext->AllocateFromShell(sz, &result);
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return result;
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}
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void Destroy(nsIPresContext* aContext) {
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this->~nsStylePosition();
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aContext->FreeToShell(sizeof(nsStylePosition), this);
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};
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|
|
PRInt32 CalcDifference(const nsStylePosition& aOther) const;
|
|
|
|
nsStyleSides mOffset; // [reset]
|
|
nsStyleCoord mWidth; // [reset] coord, percent, auto, inherit
|
|
nsStyleCoord mMinWidth; // [reset] coord, percent, inherit
|
|
nsStyleCoord mMaxWidth; // [reset] coord, percent, null, inherit
|
|
nsStyleCoord mHeight; // [reset] coord, percent, auto, inherit
|
|
nsStyleCoord mMinHeight; // [reset] coord, percent, inherit
|
|
nsStyleCoord mMaxHeight; // [reset] coord, percent, null, inherit
|
|
PRUint8 mBoxSizing; // [reset] see nsStyleConsts.h
|
|
|
|
nsStyleCoord mZIndex; // [reset]
|
|
};
|
|
|
|
struct nsStyleTextReset : public nsStyleStruct {
|
|
nsStyleTextReset(void);
|
|
nsStyleTextReset(const nsStyleTextReset& aOther);
|
|
~nsStyleTextReset(void);
|
|
|
|
void* operator new(size_t sz, nsIPresContext* aContext) {
|
|
void* result = nsnull;
|
|
aContext->AllocateFromShell(sz, &result);
|
|
return result;
|
|
}
|
|
void Destroy(nsIPresContext* aContext) {
|
|
this->~nsStyleTextReset();
|
|
aContext->FreeToShell(sizeof(nsStyleTextReset), this);
|
|
};
|
|
|
|
PRInt32 CalcDifference(const nsStyleTextReset& aOther) const;
|
|
|
|
PRUint8 mTextDecoration; // [reset] see nsStyleConsts.h
|
|
#ifdef IBMBIDI
|
|
PRUint8 mUnicodeBidi; // [reset] see nsStyleConsts.h
|
|
#endif // IBMBIDI
|
|
|
|
nsStyleCoord mVerticalAlign; // [reset] see nsStyleConsts.h for enums
|
|
};
|
|
|
|
struct nsStyleText : public nsStyleStruct {
|
|
nsStyleText(void);
|
|
nsStyleText(const nsStyleText& aOther);
|
|
~nsStyleText(void);
|
|
|
|
void* operator new(size_t sz, nsIPresContext* aContext) {
|
|
void* result = nsnull;
|
|
aContext->AllocateFromShell(sz, &result);
|
|
return result;
|
|
}
|
|
void Destroy(nsIPresContext* aContext) {
|
|
this->~nsStyleText();
|
|
aContext->FreeToShell(sizeof(nsStyleText), this);
|
|
};
|
|
|
|
PRInt32 CalcDifference(const nsStyleText& aOther) const;
|
|
|
|
PRUint8 mTextAlign; // [inherited] see nsStyleConsts.h
|
|
PRUint8 mTextTransform; // [inherited] see nsStyleConsts.h
|
|
PRUint8 mWhiteSpace; // [inherited] see nsStyleConsts.h
|
|
|
|
nsStyleCoord mLetterSpacing; // [inherited]
|
|
nsStyleCoord mLineHeight; // [inherited]
|
|
nsStyleCoord mTextIndent; // [inherited]
|
|
nsStyleCoord mWordSpacing; // [inherited]
|
|
|
|
PRBool WhiteSpaceIsSignificant() const {
|
|
return mWhiteSpace == NS_STYLE_WHITESPACE_PRE;
|
|
}
|
|
};
|
|
|
|
struct nsStyleVisibility : public nsStyleStruct {
|
|
nsStyleVisibility(nsIPresContext* aPresContext);
|
|
nsStyleVisibility(const nsStyleVisibility& aVisibility);
|
|
~nsStyleVisibility() {};
|
|
|
|
void* operator new(size_t sz, nsIPresContext* aContext) {
|
|
void* result = nsnull;
|
|
aContext->AllocateFromShell(sz, &result);
|
|
return result;
|
|
}
|
|
void Destroy(nsIPresContext* aContext) {
|
|
this->~nsStyleVisibility();
|
|
aContext->FreeToShell(sizeof(nsStyleVisibility), this);
|
|
};
|
|
|
|
PRInt32 CalcDifference(const nsStyleVisibility& aOther) const;
|
|
|
|
PRUint8 mDirection; // [inherited] see nsStyleConsts.h NS_STYLE_DIRECTION_*
|
|
PRUint8 mVisible; // [inherited]
|
|
nsCOMPtr<nsILanguageAtom> mLanguage; // [inherited]
|
|
float mOpacity; // [inherited] percentage
|
|
|
|
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 : public nsStyleStruct {
|
|
nsStyleDisplay();
|
|
nsStyleDisplay(const nsStyleDisplay& aOther);
|
|
~nsStyleDisplay() {};
|
|
|
|
void* operator new(size_t sz, nsIPresContext* aContext) {
|
|
void* result = nsnull;
|
|
aContext->AllocateFromShell(sz, &result);
|
|
return result;
|
|
}
|
|
void Destroy(nsIPresContext* aContext) {
|
|
this->~nsStyleDisplay();
|
|
aContext->FreeToShell(sizeof(nsStyleDisplay), this);
|
|
};
|
|
|
|
PRInt32 CalcDifference(const nsStyleDisplay& aOther) const;
|
|
|
|
PRUint8 mDisplay; // [reset] see nsStyleConsts.h NS_STYLE_DISPLAY_*
|
|
nsString mBinding; // [reset] absolute url string
|
|
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 mOverflow; // [reset] see nsStyleConsts.h
|
|
|
|
PRUint8 mClipFlags; // [reset] see nsStyleConsts.h
|
|
#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
|
|
|
|
PRBool IsBlockLevel() const {return (NS_STYLE_DISPLAY_BLOCK == mDisplay) ||
|
|
(NS_STYLE_DISPLAY_LIST_ITEM == mDisplay) ||
|
|
(NS_STYLE_DISPLAY_TABLE == mDisplay);}
|
|
|
|
PRBool IsFloating() const {
|
|
return NS_STYLE_FLOAT_NONE != mFloats;
|
|
}
|
|
|
|
PRBool IsAbsolutelyPositioned() const {return (NS_STYLE_POSITION_ABSOLUTE == mPosition) ||
|
|
(NS_STYLE_POSITION_FIXED == mPosition);}
|
|
|
|
PRBool IsPositioned() const {return IsAbsolutelyPositioned() ||
|
|
(NS_STYLE_POSITION_RELATIVE == mPosition);}
|
|
};
|
|
|
|
struct nsStyleTable: public nsStyleStruct {
|
|
nsStyleTable(void);
|
|
nsStyleTable(const nsStyleTable& aOther);
|
|
~nsStyleTable(void);
|
|
|
|
void* operator new(size_t sz, nsIPresContext* aContext) {
|
|
void* result = nsnull;
|
|
aContext->AllocateFromShell(sz, &result);
|
|
return result;
|
|
}
|
|
void Destroy(nsIPresContext* aContext) {
|
|
this->~nsStyleTable();
|
|
aContext->FreeToShell(sizeof(nsStyleTable), this);
|
|
};
|
|
|
|
PRInt32 CalcDifference(const nsStyleTable& aOther) const;
|
|
|
|
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: public nsStyleStruct {
|
|
nsStyleTableBorder(nsIPresContext* aContext);
|
|
nsStyleTableBorder(const nsStyleTableBorder& aOther);
|
|
~nsStyleTableBorder(void);
|
|
|
|
void* operator new(size_t sz, nsIPresContext* aContext) {
|
|
void* result = nsnull;
|
|
aContext->AllocateFromShell(sz, &result);
|
|
return result;
|
|
}
|
|
void Destroy(nsIPresContext* aContext) {
|
|
this->~nsStyleTableBorder();
|
|
aContext->FreeToShell(sizeof(nsStyleTableBorder), this);
|
|
};
|
|
|
|
PRInt32 CalcDifference(const nsStyleTableBorder& aOther) const;
|
|
|
|
PRUint8 mBorderCollapse;// [inherited]
|
|
nsStyleCoord mBorderSpacingX;// [inherited]
|
|
nsStyleCoord mBorderSpacingY;// [inherited]
|
|
PRUint8 mCaptionSide; // [inherited]
|
|
PRUint8 mEmptyCells; // [inherited]
|
|
};
|
|
|
|
enum nsStyleContentType {
|
|
eStyleContentType_String = 1,
|
|
eStyleContentType_URL = 10,
|
|
eStyleContentType_Attr = 20,
|
|
eStyleContentType_Counter = 30,
|
|
eStyleContentType_Counters = 31,
|
|
eStyleContentType_OpenQuote = 40,
|
|
eStyleContentType_CloseQuote = 41,
|
|
eStyleContentType_NoOpenQuote = 42,
|
|
eStyleContentType_NoCloseQuote = 43
|
|
};
|
|
|
|
struct nsStyleContentData {
|
|
nsStyleContentType mType;
|
|
nsString mContent;
|
|
};
|
|
|
|
struct nsStyleCounterData {
|
|
nsString mCounter;
|
|
PRInt32 mValue;
|
|
};
|
|
|
|
|
|
#define DELETE_ARRAY_IF(array) if (array) { delete[] array; array = nsnull; }
|
|
|
|
struct nsStyleQuotes : public nsStyleStruct {
|
|
nsStyleQuotes();
|
|
nsStyleQuotes(const nsStyleQuotes& aQuotes);
|
|
~nsStyleQuotes();
|
|
|
|
void* operator new(size_t sz, nsIPresContext* aContext) {
|
|
void* result = nsnull;
|
|
aContext->AllocateFromShell(sz, &result);
|
|
return result;
|
|
}
|
|
void Destroy(nsIPresContext* aContext) {
|
|
this->~nsStyleQuotes();
|
|
aContext->FreeToShell(sizeof(nsStyleQuotes), this);
|
|
};
|
|
|
|
PRInt32 CalcDifference(const nsStyleQuotes& aOther) const;
|
|
|
|
|
|
PRUint32 QuotesCount(void) const { return mQuotesCount; } // [inherited]
|
|
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: public nsStyleStruct {
|
|
nsStyleContent(void);
|
|
nsStyleContent(const nsStyleContent& aContent);
|
|
~nsStyleContent(void);
|
|
|
|
void* operator new(size_t sz, nsIPresContext* aContext) {
|
|
void* result = nsnull;
|
|
aContext->AllocateFromShell(sz, &result);
|
|
return result;
|
|
}
|
|
void Destroy(nsIPresContext* aContext) {
|
|
this->~nsStyleContent();
|
|
aContext->FreeToShell(sizeof(nsStyleContent), this);
|
|
};
|
|
|
|
PRInt32 CalcDifference(const nsStyleContent& aOther) const;
|
|
|
|
PRUint32 ContentCount(void) const { return mContentCount; } // [reset]
|
|
nsresult 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 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 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;
|
|
}
|
|
|
|
PRUint32 CounterIncrementCount(void) const { return mIncrementCount; } // [reset]
|
|
nsresult 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 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]
|
|
nsresult 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 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]
|
|
|
|
protected:
|
|
PRUint32 mContentCount;
|
|
nsStyleContentData* mContents;
|
|
|
|
PRUint32 mIncrementCount;
|
|
nsStyleCounterData* mIncrements;
|
|
|
|
PRUint32 mResetCount;
|
|
nsStyleCounterData* mResets;
|
|
};
|
|
|
|
struct nsStyleUIReset: public nsStyleStruct {
|
|
nsStyleUIReset(void);
|
|
nsStyleUIReset(const nsStyleUIReset& aOther);
|
|
~nsStyleUIReset(void);
|
|
|
|
void* operator new(size_t sz, nsIPresContext* aContext) {
|
|
void* result = nsnull;
|
|
aContext->AllocateFromShell(sz, &result);
|
|
return result;
|
|
}
|
|
void Destroy(nsIPresContext* aContext) {
|
|
this->~nsStyleUIReset();
|
|
aContext->FreeToShell(sizeof(nsStyleUIReset), this);
|
|
};
|
|
|
|
PRInt32 CalcDifference(const nsStyleUIReset& aOther) const;
|
|
|
|
PRUint8 mUserSelect; // [reset] (selection-style)
|
|
PRUnichar mKeyEquivalent; // [reset] XXX what type should this be?
|
|
PRUint8 mResizer; // [reset]
|
|
};
|
|
|
|
struct nsStyleUserInterface: public nsStyleStruct {
|
|
nsStyleUserInterface(void);
|
|
nsStyleUserInterface(const nsStyleUserInterface& aOther);
|
|
~nsStyleUserInterface(void);
|
|
|
|
void* operator new(size_t sz, nsIPresContext* aContext) {
|
|
void* result = nsnull;
|
|
aContext->AllocateFromShell(sz, &result);
|
|
return result;
|
|
}
|
|
void Destroy(nsIPresContext* aContext) {
|
|
this->~nsStyleUserInterface();
|
|
aContext->FreeToShell(sizeof(nsStyleUserInterface), this);
|
|
};
|
|
|
|
PRInt32 CalcDifference(const nsStyleUserInterface& aOther) const;
|
|
|
|
PRUint8 mUserInput; // [inherited]
|
|
PRUint8 mUserModify; // [inherited] (modify-content)
|
|
PRUint8 mUserFocus; // [inherited] (auto-select)
|
|
|
|
PRUint8 mCursor; // [inherited] See nsStyleConsts.h NS_STYLE_CURSOR_*
|
|
nsString mCursorImage; // [inherited] url string
|
|
};
|
|
|
|
#ifdef INCLUDE_XUL
|
|
struct nsStyleXUL : public nsStyleStruct {
|
|
nsStyleXUL();
|
|
nsStyleXUL(const nsStyleXUL& aSource);
|
|
~nsStyleXUL();
|
|
|
|
void* operator new(size_t sz, nsIPresContext* aContext) {
|
|
void* result = nsnull;
|
|
aContext->AllocateFromShell(sz, &result);
|
|
return result;
|
|
}
|
|
void Destroy(nsIPresContext* aContext) {
|
|
this->~nsStyleXUL();
|
|
aContext->FreeToShell(sizeof(nsStyleXUL), this);
|
|
};
|
|
|
|
PRInt32 CalcDifference(const nsStyleXUL& aOther) const;
|
|
|
|
PRUint8 mBoxAlign; // [reset] see nsStyleConsts.h
|
|
PRUint8 mBoxDirection; // [reset] see nsStyleConsts.h
|
|
float mBoxFlex; // [reset] see nsStyleConsts.h
|
|
PRUint8 mBoxOrient; // [reset] see nsStyleConsts.h
|
|
PRUint8 mBoxPack; // [reset] see nsStyleConsts.h
|
|
};
|
|
#endif
|
|
|
|
#define BORDER_PRECEDENT_EQUAL 0
|
|
#define BORDER_PRECEDENT_LOWER 1
|
|
#define BORDER_PRECEDENT_HIGHER 2
|
|
|
|
struct nsBorderEdges;
|
|
|
|
/** an encapsulation of border edge info */
|
|
struct nsBorderEdge
|
|
{
|
|
/** the thickness of the edge */
|
|
nscoord mWidth;
|
|
/** the length of the edge */
|
|
nscoord mLength;
|
|
PRUint8 mStyle;
|
|
nscolor mColor;
|
|
/** which side does this edge represent? */
|
|
PRUint8 mSide;
|
|
/** if this edge is an outside edge, the border infor for the adjacent inside object */
|
|
nsBorderEdges * mInsideNeighbor;
|
|
|
|
nsBorderEdge();
|
|
};
|
|
|
|
inline nsBorderEdge::nsBorderEdge()
|
|
{
|
|
mWidth=0;
|
|
mLength=0;
|
|
mStyle=NS_STYLE_BORDER_STYLE_NONE;
|
|
mColor=0;
|
|
mSide=NS_SIDE_LEFT;
|
|
mInsideNeighbor = nsnull;
|
|
};
|
|
|
|
/** an encapsulation of a border defined by its edges
|
|
* owner of this struct is responsible for freeing any data stored in mEdges
|
|
*/
|
|
struct nsBorderEdges
|
|
{
|
|
nsVoidArray mEdges[4];
|
|
nsMargin mMaxBorderWidth;
|
|
PRPackedBool mOutsideEdge;
|
|
|
|
nsBorderEdges();
|
|
};
|
|
|
|
inline nsBorderEdges::nsBorderEdges()
|
|
{
|
|
mMaxBorderWidth.SizeTo(0,0,0,0);
|
|
mOutsideEdge = PR_TRUE;
|
|
};
|
|
|
|
|
|
#endif /* nsStyleStruct_h___ */
|
|
|