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ec4811f612
creator of prescontext is responsible for initializing pres context. devicecontext is now init()ed with a nsNativeWidget. removed hacky X Display stuff from device context and font metrics. removed hacky code from windows font metrics. changed nsNativeWindow to be nsNativeWidget. added more code for compositor back-to-front pass. improved text performance on X. changed nsHTMLTagContent.cpp so that it will build with MSVC 4.1.
110 lines
3.2 KiB
C++
110 lines
3.2 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#ifndef nsIPresShell_h___
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#define nsIPresShell_h___
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#include "nslayout.h"
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#include "nsISupports.h"
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#include "nsCoord.h"
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class nsIContent;
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class nsIDocument;
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class nsIDocumentObserver;
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class nsIFrame;
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class nsIPresContext;
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class nsIStyleSet;
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class nsIViewManager;
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class nsIReflowCommand;
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class nsIDeviceContext;
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#define NS_IPRESSHELL_IID \
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{ 0x76e79c60, 0x944e, 0x11d1, \
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{0x93, 0x23, 0x00, 0x80, 0x5f, 0x8a, 0xdd, 0x32} }
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/**
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* Presentation shell interface. Presentation shells are the
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* controlling point for managing the presentation of a document. The
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* presentation shell holds a live reference to the document, the
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* presentation context, the style manager, the style set and the root
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* frame. <p>
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*
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* When this object is Release'd, it will release the document, the
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* presentation context, the style manager, the style set and the root
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* frame.
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*/
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class nsIPresShell : public nsISupports {
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public:
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NS_IMETHOD Init(nsIDocument* aDocument,
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nsIPresContext* aPresContext,
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nsIViewManager* aViewManager,
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nsIStyleSet* aStyleSet) = 0;
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virtual nsIDocument* GetDocument() = 0;
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virtual nsIPresContext* GetPresContext() = 0;
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virtual nsIViewManager * GetViewManager() = 0;
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virtual nsIStyleSet* GetStyleSet() = 0;
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NS_IMETHOD EnterReflowLock() = 0;
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NS_IMETHOD ExitReflowLock() = 0;
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// Make shell be a document observer
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virtual void BeginObservingDocument() = 0;
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// Make shell stop being a document observer
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virtual void EndObservingDocument() = 0;
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/**
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* Reflow the frame model into a new width and height. The
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* coordinates for aWidth and aHeight must be in standard nscoord's.
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*/
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virtual void ResizeReflow(nscoord aWidth, nscoord aHeight) = 0;
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virtual nsIFrame* GetRootFrame() = 0;
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virtual nsIFrame* FindFrameWithContent(nsIContent* aContent) = 0;
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virtual void AppendReflowCommand(nsIReflowCommand* aReflowCommand) = 0;
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virtual void ProcessReflowCommands() = 0;
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/**
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* Place some cached data into the shell's cache. The key for
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* the cache is the given frame.
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*/
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virtual void PutCachedData(nsIFrame* aKeyFrame, void* aData) = 0;
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virtual void* GetCachedData(nsIFrame* aKeyFrame) = 0;
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virtual void* RemoveCachedData(nsIFrame* aKeyFrame) = 0;
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// XXX events
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// XXX selection
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};
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/**
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* Create a new empty presentation shell. Upon success, call Init
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* before attempting to use the shell.
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*/
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extern NS_LAYOUT nsresult
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NS_NewPresShell(nsIPresShell** aInstancePtrResult);
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#endif /* nsIPresShell_h___ */
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