зеркало из https://github.com/mozilla/pjs.git
133 строки
5.5 KiB
C++
133 строки
5.5 KiB
C++
/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* 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
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* Netscape Communications Corp.
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* Portions created by the Initial Developer are Copyright (C) 1999
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* the Initial Developer. 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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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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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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