gecko-dev/layout/generic/nsBulletFrame.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Netscape Public License
* Version 1.1 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Communicator client code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
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* ***** END LICENSE BLOCK ***** */
#ifndef nsBulletFrame_h___
#define nsBulletFrame_h___
#include "nsFrame.h"
#include "nsIStyleContext.h"
#include "imgIRequest.h"
#include "imgIDecoderObserver.h"
class gfxIImageFrame;
/**
* A simple class that manages the layout and rendering of html bullets.
* This class also supports the CSS list-style properties.
*/
class nsBulletFrame : public nsFrame {
public:
nsBulletFrame();
virtual ~nsBulletFrame();
// nsIFrame
NS_IMETHOD Init(nsIPresContext* aPresContext,
nsIContent* aContent,
nsIFrame* aParent,
nsIStyleContext* aContext,
nsIFrame* aPrevInFlow);
NS_IMETHOD Destroy(nsIPresContext* aPresContext);
NS_IMETHOD Paint(nsIPresContext* aCX,
nsIRenderingContext& aRenderingContext,
const nsRect& aDirtyRect,
nsFramePaintLayer aWhichLayer,
PRUint32 aFlags = 0);
NS_IMETHOD GetFrameType(nsIAtom** aType) const;
#ifdef NS_DEBUG
NS_IMETHOD GetFrameName(nsAString& aResult) const;
#endif
// nsIHTMLReflow
NS_IMETHOD Reflow(nsIPresContext* aPresContext,
nsHTMLReflowMetrics& aMetrics,
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus);
// nsBulletFrame
PRInt32 SetListItemOrdinal(PRInt32 aNextOrdinal, PRBool* aChanged);
NS_IMETHOD OnStartContainer(imgIRequest *aRequest, nsIPresContext *aCX, imgIContainer *aImage);
NS_IMETHOD OnDataAvailable(imgIRequest *aRequest, nsIPresContext *aCX, gfxIImageFrame *aFrame, const nsRect * rect);
NS_IMETHOD OnStopDecode(imgIRequest *aRequest, nsIPresContext *aCX, nsresult aStatus, const PRUnichar *aStatusArg);
NS_IMETHOD FrameChanged(imgIContainer *aContainer, nsIPresContext *aCX, gfxIImageFrame *aNewframe, nsRect *aDirtyRect);
protected:
void GetDesiredSize(nsIPresContext* aPresContext,
const nsHTMLReflowState& aReflowState,
nsHTMLReflowMetrics& aMetrics);
void GetListItemText(nsIPresContext* aCX,
const nsStyleList& aStyleList,
nsString& aResult);
void GetBaseURI(nsIURI **aURI);
void GetLoadGroup(nsIPresContext *aPresContext, nsILoadGroup **aLoadGroup);
PRInt32 mOrdinal;
nsMargin mPadding;
nsCOMPtr<imgIRequest> mImageRequest;
nsCOMPtr<imgIDecoderObserver> mListener;
nsSize mIntrinsicSize;
nsSize mComputedSize;
};
#endif /* nsBulletFrame_h___ */