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lightning-sunbird  0.9+nobinonly
nsBulletFrame.h
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00001 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
00003  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00004  *
00005  * The contents of this file are subject to the Mozilla Public License Version
00006  * 1.1 (the "License"); you may not use this file except in compliance with
00007  * the License. You may obtain a copy of the License at
00008  * http://www.mozilla.org/MPL/
00009  *
00010  * Software distributed under the License is distributed on an "AS IS" basis,
00011  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00012  * for the specific language governing rights and limitations under the
00013  * License.
00014  *
00015  * The Original Code is Mozilla Communicator client code.
00016  *
00017  * The Initial Developer of the Original Code is
00018  * Netscape Communications Corporation.
00019  * Portions created by the Initial Developer are Copyright (C) 1998
00020  * the Initial Developer. All Rights Reserved.
00021  *
00022  * Contributor(s):
00023  *
00024  * Alternatively, the contents of this file may be used under the terms of
00025  * either of the GNU General Public License Version 2 or later (the "GPL"),
00026  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00027  * in which case the provisions of the GPL or the LGPL are applicable instead
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00036  * ***** END LICENSE BLOCK ***** */
00037 #ifndef nsBulletFrame_h___
00038 #define nsBulletFrame_h___
00039 
00040 #include "nsFrame.h"
00041 #include "nsStyleContext.h"
00042 
00043 #include "imgIRequest.h"
00044 #include "imgIDecoderObserver.h"
00045 class gfxIImageFrame;
00046 
00051 class nsBulletFrame : public nsFrame {
00052 public:
00053   nsBulletFrame();
00054   virtual ~nsBulletFrame();
00055 
00056   // nsIFrame
00057   NS_IMETHOD Destroy(nsPresContext* aPresContext);
00058   NS_IMETHOD Paint(nsPresContext*      aCX,
00059                    nsIRenderingContext& aRenderingContext,
00060                    const nsRect&        aDirtyRect,
00061                    nsFramePaintLayer    aWhichLayer,
00062                    PRUint32             aFlags = 0);
00063   virtual nsIAtom* GetType() const;
00064   NS_IMETHOD DidSetStyleContext(nsPresContext* aPresContext);
00065 #ifdef NS_DEBUG
00066   NS_IMETHOD GetFrameName(nsAString& aResult) const;
00067 #endif
00068 
00069   // nsIHTMLReflow
00070   NS_IMETHOD Reflow(nsPresContext* aPresContext,
00071                     nsHTMLReflowMetrics& aMetrics,
00072                     const nsHTMLReflowState& aReflowState,
00073                     nsReflowStatus& aStatus);
00074 
00075   // nsBulletFrame
00076   PRInt32 SetListItemOrdinal(PRInt32 aNextOrdinal, PRBool* aChanged);
00077 
00078 
00079   NS_IMETHOD OnStartContainer(imgIRequest *aRequest, imgIContainer *aImage);
00080   NS_IMETHOD OnDataAvailable(imgIRequest *aRequest,
00081                              gfxIImageFrame *aFrame,
00082                              const nsRect * rect);
00083   NS_IMETHOD OnStopDecode(imgIRequest *aRequest,
00084                           nsresult aStatus,
00085                           const PRUnichar *aStatusArg);
00086   NS_IMETHOD FrameChanged(imgIContainer *aContainer,
00087                           gfxIImageFrame *aNewframe,
00088                           nsRect *aDirtyRect);
00089 
00090   /* get list item text, without '.' */
00091   static PRBool AppendCounterText(PRInt32 aListStyleType,
00092                                   PRInt32 aOrdinal,
00093                                   nsString& aResult);
00094 
00095   /* get list item text, with '.' */
00096   PRBool GetListItemText(const nsStyleList& aStyleList,
00097                          nsString& aResult);
00098 
00099 protected:
00100   void GetDesiredSize(nsPresContext* aPresContext,
00101                       const nsHTMLReflowState& aReflowState,
00102                       nsHTMLReflowMetrics& aMetrics);
00103 
00104   void GetLoadGroup(nsPresContext *aPresContext, nsILoadGroup **aLoadGroup);
00105 
00106   PRInt32 mOrdinal;
00107   nsMargin mPadding;
00108   nsCOMPtr<imgIRequest> mImageRequest;
00109   nsCOMPtr<imgIDecoderObserver> mListener;
00110 
00111   nsSize mIntrinsicSize;
00112   nsSize mComputedSize;
00113 };
00114 
00115 #endif /* nsBulletFrame_h___ */