зеркало из https://github.com/mozilla/pjs.git
70 строки
2.2 KiB
C
70 строки
2.2 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 nsIViewObserver_h___
|
||
|
|
#define nsIViewObserver_h___
|
||
|
|
|
||
|
|
#include "nsISupports.h"
|
||
|
|
#include "nsGUIEvent.h"
|
||
|
|
|
||
|
|
class nsIRenderingContext;
|
||
|
|
struct nsRect;
|
||
|
|
|
||
|
|
#define NS_IVIEWOBSERVER_IID \
|
||
|
|
{ 0x6a1529e0, 0x3d2c, 0x11d2, \
|
||
|
|
{ 0xa8, 0x32, 0x00, 0x40, 0x95, 0x9a, 0x28, 0xc9 } }
|
||
|
|
|
||
|
|
class nsIViewObserver : public nsISupports
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
|
||
|
|
/* called when the observer needs to paint
|
||
|
|
* @param aRenderingContext - rendering context to paint to
|
||
|
|
* @param aDirtyRect - rectangle of dirty area
|
||
|
|
* @return error status
|
||
|
|
*/
|
||
|
|
NS_IMETHOD Paint(nsIView * aView,
|
||
|
|
nsIRenderingContext& aRenderingContext,
|
||
|
|
const nsRect& aDirtyRect) = 0;
|
||
|
|
|
||
|
|
/* called when the observer needs to handle an event
|
||
|
|
* @param aEvent - event notification
|
||
|
|
* @param aEventStatus - out parameter for event handling
|
||
|
|
* status
|
||
|
|
* @return error status
|
||
|
|
*/
|
||
|
|
NS_IMETHOD HandleEvent(nsIView * aView,
|
||
|
|
nsGUIEvent* aEvent,
|
||
|
|
nsEventStatus& aEventStatus) = 0;
|
||
|
|
|
||
|
|
/* called when the view has been repositioned due to scrolling
|
||
|
|
* @return error status
|
||
|
|
*/
|
||
|
|
NS_IMETHOD Scrolled(nsIView * aView) = 0;
|
||
|
|
|
||
|
|
/* called when the view has been resized and the
|
||
|
|
* content within the view needs to be reflowed.
|
||
|
|
* @param aWidth - new width of view
|
||
|
|
* @param aHeight - new height of view
|
||
|
|
* @return error status
|
||
|
|
*/
|
||
|
|
NS_IMETHOD ResizeReflow(nsIView * aView, nscoord aWidth, nscoord aHeight) = 0;
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif
|