gecko-dev/layout/generic/nsImageFrame.h
2000-04-19 14:00:11 +00:00

139 lines
4.9 KiB
C++

/* -*- 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 1.1 (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.org code.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
#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;
struct nsHTMLReflowState;
struct nsHTMLReflowMetrics;
struct nsSize;
#define ImageFrameSuper nsLeafFrame
class nsImageFrame : public ImageFrameSuper {
public:
nsImageFrame();
NS_IMETHOD Destroy(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_IMETHOD GetContentForEvent(nsIPresContext* aPresContext,
nsEvent* aEvent,
nsIContent** aContent);
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,
PRInt32 aNameSpaceID,
nsIAtom* aAttribute,
PRInt32 aHint);
NS_IMETHOD GetFrameType(nsIAtom** aResult) const;
NS_IMETHOD GetIntrinsicImageSize(nsSize& aSize);
NS_IMETHOD IsImageComplete(PRBool* aComplete);
#ifdef DEBUG
NS_IMETHOD SizeOf(nsISizeOfHandler* aHandler, PRUint32* aResult) const;
#endif
protected:
virtual ~nsImageFrame();
virtual void GetDesiredSize(nsIPresContext* aPresContext,
const nsHTMLReflowState& aReflowState,
nsHTMLReflowMetrics& aDesiredSize);
nsresult UpdateImage(nsIPresContext* aPresContext, PRUint32 aStatus, void* aClosure);
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);
PRBool GetAnchorHREF(nsString& aResult);
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;
nsHTMLImageLoader * mLowSrcImageLoader;
nsImageMap* mImageMap;
PRPackedBool mSizeFrozen;
PRPackedBool mInitialLoadCompleted;
nsMargin mBorderPadding;
};
#endif /* nsImageFrame_h___ */