зеркало из https://github.com/mozilla/gecko-dev.git
76 строки
2.4 KiB
C++
76 строки
2.4 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 1.0 (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 nsIFrameImageLoader_h___
|
|
#define nsIFrameImageLoader_h___
|
|
|
|
#include "nslayout.h"
|
|
#include "nsIImageObserver.h"
|
|
#include "nsColor.h"
|
|
class nsIFrame;
|
|
class nsIImage;
|
|
class nsIImageGroup;
|
|
class nsIPresContext;
|
|
class nsISizeOfHandler;
|
|
class nsString;
|
|
struct nsSize;
|
|
|
|
/* a9970300-e918-11d1-89cc-006008911b81 */
|
|
#define NS_IFRAME_IMAGE_LOADER_IID \
|
|
{ 0xa9970300,0xe918,0x11d1,{0x89, 0xcc, 0x00, 0x60, 0x08, 0x91, 0x1b, 0x81} }
|
|
|
|
/**
|
|
* Abstract interface for frame image loaders. Frame image loaders
|
|
* know how to respond to nsIImageRequestObserver notifications and
|
|
* generate the appropriate rendering/reflow operation for a target
|
|
* frame.
|
|
*/
|
|
class nsIFrameImageLoader : public nsIImageRequestObserver {
|
|
public:
|
|
NS_IMETHOD Init(nsIPresContext* aPresContext,
|
|
nsIImageGroup* aGroup,
|
|
const nsString& aURL,
|
|
const nscolor* aBackgroundColor,
|
|
nsIFrame* aTargetFrame,
|
|
PRBool aNeedSizeUpdate) = 0;
|
|
|
|
NS_IMETHOD StopImageLoad() = 0;
|
|
|
|
NS_IMETHOD AbortImageLoad() = 0;
|
|
|
|
NS_IMETHOD GetTargetFrame(nsIFrame*& aFrameResult) const = 0;
|
|
|
|
NS_IMETHOD GetURL(nsString& aResult) const = 0;
|
|
|
|
NS_IMETHOD GetImage(nsIImage*& aResult) const = 0;
|
|
|
|
NS_IMETHOD GetSize(nsSize& aResult) const = 0;
|
|
|
|
NS_IMETHOD GetImageLoadStatus(PRIntn& aLoadStatus) const = 0;
|
|
|
|
NS_IMETHOD SizeOf(nsISizeOfHandler* aHandler) const = 0;
|
|
};
|
|
|
|
// Image load status bit values
|
|
#define NS_IMAGE_LOAD_STATUS_NONE 0x0
|
|
#define NS_IMAGE_LOAD_STATUS_SIZE_REQUESTED 0x1
|
|
#define NS_IMAGE_LOAD_STATUS_SIZE_AVAILABLE 0x2
|
|
#define NS_IMAGE_LOAD_STATUS_IMAGE_READY 0x4
|
|
#define NS_IMAGE_LOAD_STATUS_ERROR 0x8
|
|
|
|
#endif /* nsIFrameImageLoader_h___ */
|