1/* 2 Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de) 3 Copyright (C) 2001 Dirk Mueller <mueller@kde.org> 4 Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com) 5 Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved. 6 7 This library is free software; you can redistribute it and/or 8 modify it under the terms of the GNU Library General Public 9 License as published by the Free Software Foundation; either 10 version 2 of the License, or (at your option) any later version. 11 12 This library is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 Library General Public License for more details. 16 17 You should have received a copy of the GNU Library General Public License 18 along with this library; see the file COPYING.LIB. If not, write to 19 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 20 Boston, MA 02110-1301, USA. 21*/ 22 23#ifndef CachedImageClient_h 24#define CachedImageClient_h 25 26#include "CachedResourceClient.h" 27 28namespace WebCore { 29 30class CachedImage; 31class IntRect; 32 33class CachedImageClient : public CachedResourceClient { 34public: 35 virtual ~CachedImageClient() { } 36 static CachedResourceClientType expectedType() { return ImageType; } 37 virtual CachedResourceClientType resourceClientType() const override { return expectedType(); } 38 39 // Called whenever a frame of an image changes because we got more data from the network. 40 // If not null, the IntRect is the changed rect of the image. 41 virtual void imageChanged(CachedImage*, const IntRect* = 0) { } 42 43 // Called when GIF animation progresses. 44 virtual void newImageAnimationFrameAvailable(CachedImage& image) { imageChanged(&image); } 45}; 46 47} 48 49#endif 50