зеркало из https://github.com/mozilla/gecko-dev.git
116 строки
4.5 KiB
C++
116 строки
4.5 KiB
C++
/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is Mozilla Communicator.
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*
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* The Initial Developer of the Original Code is Netscape Communications
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* Corp. Portions created by Netscape are Copyright (C) 1999 Netscape
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* Communications Corp. All Rights Reserved.
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*
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* Contributor(s):
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* Kin Blas
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*/
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#ifndef nsICompositeListener_h___
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#define nsICompositeListener_h___
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#include "nsISupports.h"
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// forward declarations
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class nsIView;
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class nsIViewManager;
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class nsIRenderingContext;
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class nsIRegion;
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struct nsRect;
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// IID for the nsICompositeListener interface
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// {5661ce55-7c42-11d3-009d-1d060b0f8baff}
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#define NS_ICOMPOSITELISTENER_IID \
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{ 0x5661ce55, 0x7c42, 0x11d3, { 0x9d, 0x1d, 0x0, 0x60, 0xb0, 0xf8, 0xba, 0xff } }
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/**
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* Provides a way for a client of an nsIViewManager to learn about composite
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* events.
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*/
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class nsICompositeListener : public nsISupports {
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public:
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NS_DEFINE_STATIC_IID_ACCESSOR(NS_ICOMPOSITELISTENER_IID)
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/**
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* Notification before a view is refreshed.
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* @param aViewManager view manager that "owns" the view. The view does NOT
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* hold a reference to the view manager
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* @param aView view to be refreshed.
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* @param aContext rendering context to be used during the refresh.
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* @param aRegion region of the view to be refreshed, IN DEVICE COORDINATES
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* @param aUpdateFlags see bottom of nsIViewManager.h for description
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* @result The result of the notification, NS_OK if no errors
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*/
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NS_IMETHOD WillRefreshRegion(nsIViewManager *aViewManager,
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nsIView *aView,
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nsIRenderingContext *aContext,
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nsIRegion *aRegion,
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PRUint32 aUpdateFlags) = 0;
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/**
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* Notification after a view was refreshed.
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* @param aViewManager view manager that "owns" the view. The view does NOT
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* hold a reference to the view manager
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* @param aView view that was refreshed.
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* @param aContext rendering context that was used during the refresh.
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* @param aRegion region of the view that was refreshed, IN DEVICE COORDINATES
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* @param aUpdateFlags see bottom of nsIViewManager.h for description
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* @result The result of the notification, NS_OK if no errors
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*/
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NS_IMETHOD DidRefreshRegion(nsIViewManager *aViewManager,
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nsIView *aView,
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nsIRenderingContext *aContext,
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nsIRegion *aRegion,
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PRUint32 aUpdateFlags) = 0;
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/**
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* Notification before a view is refreshed.
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* @param aViewManager view manager that "owns" the view. The view does NOT
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* hold a reference to the view manager
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* @param aView view to be refreshed.
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* @param aContext rendering context to be used during the refresh.
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* @param aRect rect region of the view to be refreshed.
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* @param aUpdateFlags see bottom of nsIViewManager.h for description
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* @result The result of the notification, NS_OK if no errors
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*/
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NS_IMETHOD WillRefreshRect(nsIViewManager *aViewManager,
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nsIView *aView,
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nsIRenderingContext *aContext,
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const nsRect *aRect,
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PRUint32 aUpdateFlags) = 0;
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/**
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* Notification after a view was refreshed.
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* @param aViewManager view manager that "owns" the view. The view does NOT
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* hold a reference to the view manager
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* @param aView view that was refreshed.
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* @param aContext rendering context that was used during the refresh.
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* @param aRect rect region of the view that was refreshed.
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* @param aUpdateFlags see bottom of nsIViewManager.h for description
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* @result The result of the notification, NS_OK if no errors
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*/
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NS_IMETHOD DidRefreshRect(nsIViewManager *aViewManager,
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nsIView *aView,
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nsIRenderingContext *aContext,
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const nsRect *aRect,
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PRUint32 aUpdateFlags) = 0;
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};
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#endif /* nsICompositeListener_h___ */
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