gecko-dev/layout/generic/nsImageFrame.h

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1999-04-13 21:50:25 +00:00
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#ifndef nsImageFrame_h___
#define nsImageFrame_h___
#include "nsLeafFrame.h"
#include "nsString.h"
#include "nsIPresContext.h"
#include "nsHTMLImageLoader.h"
class nsIFrame;
class nsImageMap;
class nsIImage;
class nsIURI;
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struct nsHTMLReflowState;
struct nsHTMLReflowMetrics;
struct nsSize;
#define ImageFrameSuper nsLeafFrame
class nsImageFrame : public ImageFrameSuper {
public:
NS_IMETHOD DeleteFrame(nsIPresContext& aPresContext);
NS_IMETHOD Init(nsIPresContext& aPresContext,
nsIContent* aContent,
nsIFrame* aParent,
nsIStyleContext* aContext,
nsIFrame* aPrevInFlow);
NS_IMETHOD Paint(nsIPresContext& aPresContext,
nsIRenderingContext& aRenderingContext,
const nsRect& aDirtyRect,
nsFramePaintLayer aWhichLayer);
NS_IMETHOD Reflow(nsIPresContext& aPresContext,
nsHTMLReflowMetrics& aDesiredSize,
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus);
NS_METHOD HandleEvent(nsIPresContext& aPresContext,
nsGUIEvent* aEvent,
nsEventStatus& aEventStatus);
NS_IMETHOD GetCursor(nsIPresContext& aPresContext,
nsPoint& aPoint,
PRInt32& aCursor);
NS_IMETHOD AttributeChanged(nsIPresContext* aPresContext,
nsIContent* aChild,
nsIAtom* aAttribute,
PRInt32 aHint);
protected:
virtual ~nsImageFrame();
virtual void GetDesiredSize(nsIPresContext* aPresContext,
const nsHTMLReflowState& aReflowState,
nsHTMLReflowMetrics& aDesiredSize);
nsresult UpdateImage(nsIPresContext* aPresContext, PRUint32 aStatus);
nsImageMap* GetImageMap();
void TriggerLink(nsIPresContext& aPresContext,
const nsString& aURLSpec,
const nsString& aTargetSpec,
PRBool aClick);
PRBool IsServerImageMap();
void TranslateEventCoords(nsIPresContext& aPresContext,
const nsPoint& aPoint,
nsPoint& aResult);
void GetAnchorHREF(nsString& aResult);
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PRIntn GetSuppress();
void MeasureString(const PRUnichar* aString,
PRInt32 aLength,
nscoord aMaxWidth,
PRUint32& aMaxFit,
nsIRenderingContext& aContext);
void DisplayAltText(nsIPresContext& aPresContext,
nsIRenderingContext& aRenderingContext,
const nsString& aAltText,
const nsRect& aRect);
void DisplayAltFeedback(nsIPresContext& aPresContext,
nsIRenderingContext& aRenderingContext,
PRInt32 aIconId);
void GetInnerArea(nsIPresContext* aPresContext,
nsRect& aInnerArea) const;
static nsresult UpdateImageFrame(nsIPresContext* aPresContext,
nsHTMLImageLoader* aLoader,
nsIFrame* aFrame,
void* aClosure,
PRUint32 aStatus);
nsHTMLImageLoader mImageLoader;
nsImageMap* mImageMap;
PRBool mSizeFrozen;
nsMargin mBorderPadding;
};
#endif /* nsImageFrame_h___ */