mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-12-10 07:12:16 +00:00
905bf0a35a
variety of flicker issues of various sorts, especially when we're not quite keeping up with the rate of updates in DHTML or in editor. Bug 244366 and various dependencies, r+sr=roc
762 lines
24 KiB
C++
762 lines
24 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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*
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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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#ifndef nsPresContext_h___
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#define nsPresContext_h___
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#include "nsISupports.h"
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#include "nsColor.h"
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#include "nsCoord.h"
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#include "nsAString.h"
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#include "nsCompatibility.h"
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#include "nsCOMPtr.h"
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#include "nsIPresShell.h"
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#include "nsRect.h"
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#include "nsIDeviceContext.h"
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#include "nsHashtable.h"
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#include "nsFont.h"
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#include "nsIWeakReference.h"
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#include "nsITheme.h"
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#include "nsILanguageAtomService.h"
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#include "nsIObserver.h"
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#include "nsCRT.h"
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#include "nsIPrintSettings.h"
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#include "nsPropertyTable.h"
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#ifdef IBMBIDI
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class nsBidiPresUtils;
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#endif // IBMBIDI
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struct nsRect;
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class imgIRequest;
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class nsIContent;
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class nsIDocument;
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class nsIFontMetrics;
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class nsIFrame;
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class nsFrameManager;
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class nsIImage;
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class nsILinkHandler;
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class nsStyleContext;
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class nsIAtom;
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class nsIEventStateManager;
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class nsIURI;
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class nsILookAndFeel;
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class nsICSSPseudoComparator;
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class nsIAtom;
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struct nsStyleStruct;
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struct nsStyleBackground;
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#ifdef MOZ_REFLOW_PERF
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class nsIRenderingContext;
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#endif
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#define NS_IPRESCONTEXT_IID \
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{ 0x96e4bc06, 0x8e72, 0x4941, \
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{0xa6, 0x6c, 0x70, 0xee, 0x7d, 0x1b, 0x58, 0x21} }
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enum nsWidgetType {
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eWidgetType_Button = 1,
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eWidgetType_Checkbox = 2,
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eWidgetType_Radio = 3,
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eWidgetType_Text = 4
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};
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enum nsLanguageSpecificTransformType {
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eLanguageSpecificTransformType_Unknown = -1,
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eLanguageSpecificTransformType_None = 0,
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eLanguageSpecificTransformType_Japanese
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};
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// supported values for cached bool types
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const PRUint32 kPresContext_UseDocumentColors = 0x01;
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const PRUint32 kPresContext_UseDocumentFonts = 0x02;
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const PRUint32 kPresContext_UnderlineLinks = 0x03;
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// supported values for cached integer pref types
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const PRUint32 kPresContext_MinimumFontSize = 0x01;
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// IDs for the default variable and fixed fonts (not to be changed, see nsFont.h)
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// To be used for Get/SetDefaultFont(). The other IDs in nsFont.h are also supported.
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const PRUint8 kPresContext_DefaultVariableFont_ID = 0x00; // kGenericFont_moz_variable
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const PRUint8 kPresContext_DefaultFixedFont_ID = 0x01; // kGenericFont_moz_fixed
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// An interface for presentation contexts. Presentation contexts are
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// objects that provide an outer context for a presentation shell.
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// hack to make egcs / gcc 2.95.2 happy
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class nsPresContext_base : public nsIObserver
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{
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public:
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NS_DEFINE_STATIC_IID_ACCESSOR(NS_IPRESCONTEXT_IID)
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};
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class nsPresContext : public nsPresContext_base {
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIOBSERVER
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NS_DECL_AND_IMPL_ZEROING_OPERATOR_NEW
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enum nsPresContextType {
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eContext_Galley, // unpaginated screen presentation
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eContext_PrintPreview, // paginated screen presentation
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eContext_Print // paginated printer presentation
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};
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nsPresContext(nsPresContextType aType) NS_HIDDEN;
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/**
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* Initialize the presentation context from a particular device.
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*/
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NS_HIDDEN_(nsresult) Init(nsIDeviceContext* aDeviceContext);
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/**
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* Set the presentation shell that this context is bound to.
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* A presentation context may only be bound to a single shell.
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*/
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NS_HIDDEN_(void) SetShell(nsIPresShell* aShell);
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NS_HIDDEN_(nsPresContextType) Type() const { return mType; }
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/**
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* Get the PresentationShell that this context is bound to.
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*/
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nsIPresShell* PresShell() const
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{
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NS_ASSERTION(mShell, "Null pres shell");
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return mShell;
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}
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nsIPresShell* GetPresShell() const { return mShell; }
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nsIDocument* GetDocument() { return GetPresShell()->GetDocument(); }
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nsIViewManager* GetViewManager() { return GetPresShell()->GetViewManager(); }
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#ifdef _IMPL_NS_LAYOUT
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nsStyleSet* StyleSet() { return GetPresShell()->StyleSet(); }
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nsFrameManager* FrameManager()
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{ return GetPresShell()->FrameManager(); }
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#endif
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/**
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* Access compatibility mode for this context
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*
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* All users must explicitly set the compatibility mode rather than
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* relying on a default.
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*/
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nsCompatibility CompatibilityMode() const { return mCompatibilityMode; }
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NS_HIDDEN_(void) SetCompatibilityMode(nsCompatibility aMode);
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/**
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* Access the image animation mode for this context
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*/
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PRUint16 ImageAnimationMode() const { return mImageAnimationMode; }
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virtual NS_HIDDEN_(void) SetImageAnimationModeExternal(PRUint16 aMode);
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NS_HIDDEN_(void) SetImageAnimationModeInternal(PRUint16 aMode);
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#ifdef _IMPL_NS_LAYOUT
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void SetImageAnimationMode(PRUint16 aMode)
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{ SetImageAnimationModeInternal(aMode); }
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#else
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void SetImageAnimationMode(PRUint16 aMode)
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{ SetImageAnimationModeExternal(aMode); }
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#endif
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/**
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* Get cached look and feel service. This is faster than obtaining it
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* through the service manager.
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*/
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nsILookAndFeel* LookAndFeel() { return mLookAndFeel; }
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/**
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* Get medium of presentation
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*/
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nsIAtom* Medium() { return mMedium; }
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/**
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* Clear style data from the root frame downwards, and reflow.
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*/
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NS_HIDDEN_(void) ClearStyleDataAndReflow();
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void* AllocateFromShell(size_t aSize)
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{
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if (mShell)
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return mShell->AllocateFrame(aSize);
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return nsnull;
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}
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void FreeToShell(size_t aSize, void* aFreeChunk)
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{
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if (mShell)
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mShell->FreeFrame(aSize, aFreeChunk);
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}
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/**
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* Get the font metrics for a given font.
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*/
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virtual NS_HIDDEN_(already_AddRefed<nsIFontMetrics>)
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GetMetricsForExternal(const nsFont& aFont);
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NS_HIDDEN_(already_AddRefed<nsIFontMetrics>)
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GetMetricsForInternal(const nsFont& aFont);
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#ifdef _IMPL_NS_LAYOUT
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already_AddRefed<nsIFontMetrics> GetMetricsFor(const nsFont& aFont)
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{ return GetMetricsForInternal(aFont); }
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#else
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already_AddRefed<nsIFontMetrics> GetMetricsFor(const nsFont& aFont)
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{ return GetMetricsForExternal(aFont); }
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#endif
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/**
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* Get the default font correponding to the given ID. This object is
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* read-only, you must copy the font to modify it.
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*/
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virtual NS_HIDDEN_(const nsFont*) GetDefaultFontExternal(PRUint8 aFontID) const;
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NS_HIDDEN_(const nsFont*) GetDefaultFontInternal(PRUint8 aFontID) const;
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#ifdef _IMPL_NS_LAYOUT
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const nsFont* GetDefaultFont(PRUint8 aFontID) const
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{ return GetDefaultFontInternal(aFontID); }
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#else
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const nsFont* GetDefaultFont(PRUint8 aFontID) const
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{ return GetDefaultFontExternal(aFontID); }
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#endif
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/** Get a cached boolean pref, by its type */
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// * - initially created for bugs 31816, 20760, 22963
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PRBool GetCachedBoolPref(PRUint32 aPrefType) const
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{
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// If called with a constant parameter, the compiler should optimize
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// this switch statement away.
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switch (aPrefType) {
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case kPresContext_UseDocumentFonts:
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return mUseDocumentFonts;
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case kPresContext_UseDocumentColors:
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return mUseDocumentColors;
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case kPresContext_UnderlineLinks:
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return mUnderlineLinks;
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default:
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NS_ERROR("Invalid arg passed to GetCachedBoolPref");
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}
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return PR_FALSE;
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}
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/** Get a cached integer pref, by its type */
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// * - initially created for bugs 30910, 61883, 74186, 84398
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PRInt32 GetCachedIntPref(PRUint32 aPrefType) const
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{
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// If called with a constant parameter, the compiler should optimize
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// this switch statement away.
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switch (aPrefType) {
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case kPresContext_MinimumFontSize:
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return mMinimumFontSize;
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default:
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NS_ERROR("invalid arg passed to GetCachedIntPref");
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}
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return PR_FALSE;
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}
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/**
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* Access Nav's magic font scaler value
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*/
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PRInt32 FontScaler() const { return mFontScaler; }
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/**
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* Get the default colors
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*/
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const nscolor DefaultColor() const { return mDefaultColor; }
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const nscolor DefaultBackgroundColor() const { return mBackgroundColor; }
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const nscolor DefaultLinkColor() const { return mLinkColor; }
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const nscolor DefaultActiveLinkColor() const { return mActiveLinkColor; }
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const nscolor DefaultVisitedLinkColor() const { return mVisitedLinkColor; }
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const nscolor FocusBackgroundColor() const { return mFocusBackgroundColor; }
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const nscolor FocusTextColor() const { return mFocusTextColor; }
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PRBool GetUseFocusColors() const { return mUseFocusColors; }
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PRUint8 FocusRingWidth() const { return mFocusRingWidth; }
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PRBool GetFocusRingOnAnything() const { return mFocusRingOnAnything; }
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/**
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* Load an image for the target frame. This call can be made
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* repeated with only a single image ever being loaded. When the
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* image's data is ready for rendering the target frame's Paint()
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* method will be invoked (via the ViewManager) so that the
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* appropriate damage repair is done.
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*/
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NS_HIDDEN_(imgIRequest*) LoadImage(imgIRequest* aImage,
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nsIFrame* aTargetFrame);
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/**
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* This method is called when a frame is being destroyed to
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* ensure that the image load gets disassociated from the prescontext
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*/
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NS_HIDDEN_(void) StopImagesFor(nsIFrame* aTargetFrame);
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NS_HIDDEN_(void) SetContainer(nsISupports* aContainer);
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virtual NS_HIDDEN_(already_AddRefed<nsISupports>) GetContainerExternal();
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NS_HIDDEN_(already_AddRefed<nsISupports>) GetContainerInternal();
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#ifdef _IMPL_NS_LAYOUT
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already_AddRefed<nsISupports> GetContainer()
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{ return GetContainerInternal(); }
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#else
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already_AddRefed<nsISupports> GetContainer()
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{ return GetContainerExternal(); }
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#endif
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// XXX this are going to be replaced with set/get container
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void SetLinkHandler(nsILinkHandler* aHandler) { mLinkHandler = aHandler; }
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nsILinkHandler* GetLinkHandler() { return mLinkHandler; }
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/**
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* Get the visible area associated with this presentation context.
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* This is the size of the visiable area that is used for
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* presenting the document. The returned value is in the standard
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* nscoord units (as scaled by the device context).
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*/
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nsRect GetVisibleArea() { return mVisibleArea; }
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/**
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* Set the currently visible area. The units for r are standard
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* nscoord units (as scaled by the device context).
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*/
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void SetVisibleArea(const nsRect& r) { mVisibleArea = r; }
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/**
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* Return true if this presentation context is a paginated
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* context.
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*/
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PRBool IsPaginated() const { return mPaginated; }
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/**
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* Sets whether the presentation context can scroll for a paginated
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* context.
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*/
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NS_HIDDEN_(void) SetPaginatedScrolling(PRBool aResult);
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/**
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* Return true if this presentation context can scroll for paginated
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* context.
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*/
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PRBool HasPaginatedScrolling() const { return mCanPaginatedScroll; }
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/**
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* Gets the rect for the page dimensions,
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* this includes X,Y Offsets which are used to determine
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* the inclusion of margins
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* Also, indicates whether the size has been overridden
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*
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* @param aActualRect returns the size of the actual device/surface
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* @param aRect returns the adjusted size
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*/
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NS_HIDDEN_(void) GetPageDim(nsRect* aActualRect, nsRect* aAdjRect);
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/**
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* Sets the "adjusted" rect for the page Dimimensions,
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* this includes X,Y Offsets which are used to determine
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* the inclusion of margins
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*
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* @param aRect returns the adjusted size
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*/
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NS_HIDDEN_(void) SetPageDim(const nsRect& aRect);
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float PixelsToTwips() const { return mDeviceContext->DevUnitsToAppUnits(); }
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float TwipsToPixels() const { return mDeviceContext->AppUnitsToDevUnits(); }
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NS_HIDDEN_(float) TwipsToPixelsForFonts() const;
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//XXX this is probably not an ideal name. MMP
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/**
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* Do pixels to twips conversion taking into account
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* differing size of a "pixel" from device to device.
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*/
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NS_HIDDEN_(float) ScaledPixelsToTwips() const;
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/* Convenience method for converting one pixel value to twips */
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nscoord IntScaledPixelsToTwips(nscoord aPixels) const
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{ return NSIntPixelsToTwips(aPixels, ScaledPixelsToTwips()); }
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/* Set whether twip scaling is used */
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void SetScalingOfTwips(PRBool aOn) { mDoScaledTwips = aOn; }
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nsIDeviceContext* DeviceContext() { return mDeviceContext; }
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nsIEventStateManager* EventStateManager() { return mEventManager; }
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nsIAtom* GetLangGroup() { return mLangGroup; }
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/**
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* Get the language-specific transform type for the current document.
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* This tells us whether we need to perform special language-dependent
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* transformations such as Unicode U+005C (backslash) to Japanese
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* Yen Sign (Unicode U+00A5, JIS 0x5C).
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*
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* @param aType returns type, must be non-NULL
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*/
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nsLanguageSpecificTransformType LanguageSpecificTransformType() const
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{
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return mLanguageSpecificTransformType;
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}
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struct ScrollbarStyles {
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// Always one of NS_STYLE_OVERFLOW_SCROLL, NS_STYLE_OVERFLOW_HIDDEN,
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// or NS_STYLE_OVERFLOW_AUTO.
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PRUint8 mHorizontal, mVertical;
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ScrollbarStyles(PRUint8 h, PRUint8 v) : mHorizontal(h), mVertical(v) {}
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ScrollbarStyles() {}
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};
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void SetViewportOverflowOverride(PRUint8 aX, PRUint8 aY)
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{
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mViewportStyleOverflow.mHorizontal = aX;
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mViewportStyleOverflow.mVertical = aY;
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}
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ScrollbarStyles GetViewportOverflowOverride()
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{
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return mViewportStyleOverflow;
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}
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/**
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* Set and get methods for controling the background drawing
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*/
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PRBool GetBackgroundImageDraw() const { return mDrawImageBackground; }
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void SetBackgroundImageDraw(PRBool aCanDraw)
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{
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NS_ASSERTION(!(aCanDraw & ~1), "Value must be true or false");
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mDrawImageBackground = aCanDraw;
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}
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PRBool GetBackgroundColorDraw() const { return mDrawColorBackground; }
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void SetBackgroundColorDraw(PRBool aCanDraw)
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{
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NS_ASSERTION(!(aCanDraw & ~1), "Value must be true or false");
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mDrawColorBackground = aCanDraw;
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}
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#ifdef IBMBIDI
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/**
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* Check if bidi enabled (set depending on the presence of RTL
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* characters or when default directionality is RTL).
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* If enabled, we should apply the Unicode Bidi Algorithm
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*
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* @lina 07/12/2000
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*/
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virtual NS_HIDDEN_(PRBool) BidiEnabledExternal() const;
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NS_HIDDEN_(PRBool) BidiEnabledInternal() const;
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#ifdef _IMPL_NS_LAYOUT
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PRBool BidiEnabled() const { return BidiEnabledInternal(); }
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#else
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PRBool BidiEnabled() const { return BidiEnabledExternal(); }
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#endif
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/**
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* Set bidi enabled. This means we should apply the Unicode Bidi Algorithm
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*
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* @lina 07/12/2000
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*/
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NS_HIDDEN_(void) SetBidiEnabled(PRBool aBidiEnabled) const;
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/**
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* Set visual or implicit mode into the pres context.
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*
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* Visual directionality is a presentation method that displays text
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* as if it were a uni-directional, according to the primary display
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* direction only.
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*
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* Implicit directionality is a presentation method in which the
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* direction is determined by the Bidi algorithm according to the
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* category of the characters and the category of the adjacent
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* characters, and according to their primary direction.
|
|
*
|
|
* @lina 05/02/2000
|
|
*/
|
|
void SetVisualMode(PRBool aIsVisual)
|
|
{
|
|
NS_ASSERTION(!(aIsVisual & ~1), "Value must be true or false");
|
|
mIsVisual = aIsVisual;
|
|
}
|
|
|
|
/**
|
|
* Check whether the content should be treated as visual.
|
|
*
|
|
* @lina 05/02/2000
|
|
*/
|
|
PRBool IsVisualMode() const { return mIsVisual; }
|
|
|
|
//Mohamed
|
|
|
|
/**
|
|
* Get a Bidi presentation utilities object
|
|
*/
|
|
NS_HIDDEN_(nsBidiPresUtils*) GetBidiUtils();
|
|
|
|
/**
|
|
* Set the Bidi options for the presentation context
|
|
*/
|
|
NS_HIDDEN_(void) SetBidi(PRUint32 aBidiOptions,
|
|
PRBool aForceReflow = PR_FALSE);
|
|
|
|
/**
|
|
* Get the Bidi options for the presentation context
|
|
*/
|
|
NS_HIDDEN_(PRUint32) GetBidi() const { return mBidi; }
|
|
|
|
/**
|
|
* Set the Bidi capabilities of the system
|
|
* @param aIsBidi == TRUE if the system has the capability of reordering Bidi text
|
|
*/
|
|
void SetIsBidiSystem(PRBool aIsBidi)
|
|
{
|
|
NS_ASSERTION(!(aIsBidi & ~1), "Value must be true or false");
|
|
mIsBidiSystem = aIsBidi;
|
|
}
|
|
|
|
/**
|
|
* Get the Bidi capabilities of the system
|
|
* @return TRUE if the system has the capability of reordering Bidi text
|
|
*/
|
|
PRBool IsBidiSystem() const { return mIsBidiSystem; }
|
|
#endif // IBMBIDI
|
|
|
|
/**
|
|
* Render only Selection
|
|
*/
|
|
void SetIsRenderingOnlySelection(PRBool aResult)
|
|
{
|
|
NS_ASSERTION(!(aResult & ~1), "Value must be true or false");
|
|
mIsRenderingOnlySelection = aResult;
|
|
}
|
|
|
|
PRBool IsRenderingOnlySelection() const { return mIsRenderingOnlySelection; }
|
|
|
|
/*
|
|
* Obtain a native them for rendering our widgets (both form controls and html)
|
|
*/
|
|
NS_HIDDEN_(nsITheme*) GetTheme();
|
|
|
|
/*
|
|
* Notify the pres context that the theme has changed. An internal switch
|
|
* means it's one of our Mozilla themes that changed (e.g., Modern to Classic).
|
|
* Otherwise, the OS is telling us that the native theme for the platform
|
|
* has changed.
|
|
*/
|
|
NS_HIDDEN_(void) ThemeChanged();
|
|
|
|
/*
|
|
* Notify the pres context that a system color has changed
|
|
*/
|
|
NS_HIDDEN_(void) SysColorChanged();
|
|
|
|
/** Printing methods below should only be used for Medium() == print **/
|
|
NS_HIDDEN_(void) SetPrintSettings(nsIPrintSettings *aPrintSettings);
|
|
|
|
nsIPrintSettings* GetPrintSettings() { return mPrintSettings; }
|
|
|
|
/* Accessor for table of frame properties */
|
|
nsPropertyTable* PropertyTable() { return &mPropertyTable; }
|
|
|
|
/* Helper function that ensures that this prescontext is shown in its
|
|
docshell if it's the most recent prescontext for the docshell. Returns
|
|
whether the prescontext is now being shown.
|
|
|
|
@param aUnsuppressFocus If this is false, then focus will not be
|
|
unsuppressed when PR_TRUE is returned. It's the caller's responsibility
|
|
to unsuppress focus in that case.
|
|
*/
|
|
NS_HIDDEN_(PRBool) EnsureVisible(PRBool aUnsuppressFocus);
|
|
|
|
#ifdef MOZ_REFLOW_PERF
|
|
NS_HIDDEN_(void) CountReflows(const char * aName,
|
|
PRUint32 aType, nsIFrame * aFrame);
|
|
NS_HIDDEN_(void) PaintCount(const char * aName,
|
|
nsIRenderingContext* aRendingContext,
|
|
nsIFrame * aFrame, PRUint32 aColor);
|
|
#endif
|
|
|
|
/**
|
|
* This table maps border-width enums 'thin', 'medium', 'thick'
|
|
* to actual nscoord values.
|
|
*/
|
|
const nscoord* GetBorderWidthTable() { return mBorderWidthTable; }
|
|
|
|
protected:
|
|
NS_HIDDEN_(void) SetImgAnimations(nsIContent *aParent, PRUint16 aMode);
|
|
NS_HIDDEN_(void) GetDocumentColorPreferences();
|
|
NS_HIDDEN_(void) PreferenceChanged(const char* aPrefName);
|
|
static NS_HIDDEN_(int) PR_CALLBACK PrefChangedCallback(const char*, void*);
|
|
|
|
NS_HIDDEN_(void) GetUserPreferences();
|
|
NS_HIDDEN_(void) GetFontPreferences();
|
|
|
|
NS_HIDDEN_(void) UpdateCharSet(const nsAFlatCString& aCharSet);
|
|
|
|
// IMPORTANT: The ownership implicit in the following member variables
|
|
// has been explicitly checked. If you add any members to this class,
|
|
// please make the ownership explicit (pinkerton, scc).
|
|
|
|
nsPresContextType mType;
|
|
nsIPresShell* mShell; // [WEAK]
|
|
nsIDeviceContext* mDeviceContext; // [STRONG] could be weak, but
|
|
// better safe than sorry.
|
|
// Cannot reintroduce cycles
|
|
// since there is no dependency
|
|
// from gfx back to layout.
|
|
nsIEventStateManager* mEventManager; // [STRONG]
|
|
nsILookAndFeel* mLookAndFeel; // [STRONG]
|
|
nsIAtom* mMedium; // initialized by subclass ctors;
|
|
// weak pointer to static atom
|
|
|
|
nsILinkHandler* mLinkHandler; // [WEAK]
|
|
nsIAtom* mLangGroup; // [STRONG]
|
|
|
|
nsSupportsHashtable mImageLoaders;
|
|
nsWeakPtr mContainer;
|
|
|
|
#ifdef IBMBIDI
|
|
nsBidiPresUtils* mBidiUtils;
|
|
#endif
|
|
|
|
nsCOMPtr<nsITheme> mTheme;
|
|
nsCOMPtr<nsILanguageAtomService> mLangService;
|
|
nsCOMPtr<nsIPrintSettings> mPrintSettings;
|
|
|
|
nsPropertyTable mPropertyTable;
|
|
|
|
nsLanguageSpecificTransformType mLanguageSpecificTransformType;
|
|
PRInt32 mFontScaler;
|
|
nscoord mMinimumFontSize;
|
|
|
|
nsRect mVisibleArea;
|
|
nsRect mPageDim;
|
|
|
|
nscolor mDefaultColor;
|
|
nscolor mBackgroundColor;
|
|
|
|
nscolor mLinkColor;
|
|
nscolor mActiveLinkColor;
|
|
nscolor mVisitedLinkColor;
|
|
|
|
nscolor mFocusBackgroundColor;
|
|
nscolor mFocusTextColor;
|
|
|
|
ScrollbarStyles mViewportStyleOverflow;
|
|
PRUint8 mFocusRingWidth;
|
|
|
|
nsCompatibility mCompatibilityMode;
|
|
PRUint16 mImageAnimationMode;
|
|
PRUint16 mImageAnimationModePref;
|
|
|
|
nsFont mDefaultVariableFont;
|
|
nsFont mDefaultFixedFont;
|
|
nsFont mDefaultSerifFont;
|
|
nsFont mDefaultSansSerifFont;
|
|
nsFont mDefaultMonospaceFont;
|
|
nsFont mDefaultCursiveFont;
|
|
nsFont mDefaultFantasyFont;
|
|
|
|
nscoord mBorderWidthTable[3];
|
|
|
|
unsigned mUseDocumentFonts : 1;
|
|
unsigned mUseDocumentColors : 1;
|
|
unsigned mUnderlineLinks : 1;
|
|
unsigned mUseFocusColors : 1;
|
|
unsigned mFocusRingOnAnything : 1;
|
|
unsigned mDrawImageBackground : 1;
|
|
unsigned mDrawColorBackground : 1;
|
|
unsigned mNeverAnimate : 1;
|
|
unsigned mIsRenderingOnlySelection : 1;
|
|
unsigned mNoTheme : 1;
|
|
unsigned mPaginated : 1;
|
|
unsigned mCanPaginatedScroll : 1;
|
|
unsigned mDoScaledTwips : 1;
|
|
unsigned mEnableJapaneseTransform : 1;
|
|
#ifdef IBMBIDI
|
|
unsigned mIsVisual : 1;
|
|
unsigned mIsBidiSystem : 1;
|
|
|
|
PRUint32 mBidi;
|
|
#endif
|
|
#ifdef DEBUG
|
|
PRBool mInitialized;
|
|
#endif
|
|
|
|
|
|
private:
|
|
|
|
~nsPresContext() NS_HIDDEN;
|
|
|
|
// these are private, use the list in nsFont.h if you want a public list
|
|
enum {
|
|
eDefaultFont_Variable,
|
|
eDefaultFont_Fixed,
|
|
eDefaultFont_Serif,
|
|
eDefaultFont_SansSerif,
|
|
eDefaultFont_Monospace,
|
|
eDefaultFont_Cursive,
|
|
eDefaultFont_Fantasy,
|
|
eDefaultFont_COUNT
|
|
};
|
|
|
|
};
|
|
|
|
// Bit values for StartLoadImage's aImageStatus
|
|
#define NS_LOAD_IMAGE_STATUS_ERROR 0x1
|
|
#define NS_LOAD_IMAGE_STATUS_SIZE 0x2
|
|
#define NS_LOAD_IMAGE_STATUS_BITS 0x4
|
|
|
|
#ifdef MOZ_REFLOW_PERF
|
|
|
|
#define DO_GLOBAL_REFLOW_COUNT(_name, _type) \
|
|
aPresContext->CountReflows((_name), (_type), (nsIFrame*)this);
|
|
#else
|
|
#define DO_GLOBAL_REFLOW_COUNT(_name, _type)
|
|
#endif // MOZ_REFLOW_PERF
|
|
|
|
#if defined(MOZ_REFLOW_PERF_DSP) && defined(MOZ_REFLOW_PERF)
|
|
#define DO_GLOBAL_REFLOW_COUNT_DSP(_name, _rend) \
|
|
if (NS_FRAME_PAINT_LAYER_FOREGROUND == aWhichLayer) { \
|
|
aPresContext->PaintCount((_name), (_rend), (nsIFrame*)this, 0); \
|
|
}
|
|
#define DO_GLOBAL_REFLOW_COUNT_DSP_J(_name, _rend, _just) \
|
|
if (NS_FRAME_PAINT_LAYER_FOREGROUND == aWhichLayer) { \
|
|
aPresContext->PaintCount((_name), (_rend), (nsIFrame*)this, (_just)); \
|
|
}
|
|
#else
|
|
#define DO_GLOBAL_REFLOW_COUNT_DSP(_name, _rend)
|
|
#define DO_GLOBAL_REFLOW_COUNT_DSP_J(_name, _rend, _just)
|
|
#endif // MOZ_REFLOW_PERF_DSP
|
|
|
|
#endif /* nsPresContext_h___ */
|