| /* |
| Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de) |
| Copyright (C) 2001 Dirk Mueller <mueller@kde.org> |
| Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com) |
| Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved. |
| |
| This library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Library General Public |
| License as published by the Free Software Foundation; either |
| version 2 of the License, or (at your option) any later version. |
| |
| This library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Library General Public License for more details. |
| |
| You should have received a copy of the GNU Library General Public License |
| along with this library; see the file COPYING.LIB. If not, write to |
| the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
| Boston, MA 02111-1307, USA. |
| */ |
| |
| #ifndef CachedImage_h |
| #define CachedImage_h |
| |
| #include "CachedResource.h" |
| #include "ImageObserver.h" |
| #include "IntRect.h" |
| #include <wtf/Vector.h> |
| |
| namespace WebCore { |
| |
| class DocLoader; |
| class Cache; |
| class Image; |
| |
| class CachedImage : public CachedResource, public ImageObserver { |
| friend class Cache; |
| |
| public: |
| CachedImage(DocLoader*, const String& url, bool forCache); |
| CachedImage(Image*); |
| virtual ~CachedImage(); |
| |
| Image* image() const; |
| |
| bool canRender() const { return !errorOccurred() && imageSize().width() > 0 && imageSize().height() > 0; } |
| |
| IntSize imageSize() const; // returns the size of the complete image |
| IntRect imageRect() const; // The size of the image. |
| |
| virtual void ref(CachedResourceClient*); |
| |
| virtual void allReferencesRemoved(); |
| virtual void destroyDecodedData(); |
| |
| virtual void data(PassRefPtr<SharedBuffer> data, bool allDataReceived); |
| virtual void error(); |
| |
| virtual bool schedule() const { return true; } |
| |
| void checkNotify(); |
| |
| virtual bool isImage() const { return true; } |
| |
| void clear(); |
| |
| bool stillNeedsLoad() const { return !m_errorOccurred && m_status == Unknown && m_loading == false; } |
| void load(); |
| |
| // ImageObserver |
| virtual void decodedSizeChanged(const Image* image, int delta); |
| virtual void didDraw(const Image*); |
| |
| virtual bool shouldPauseAnimation(const Image*); |
| virtual void animationAdvanced(const Image*); |
| |
| private: |
| void createImage(); |
| void notifyObservers(); |
| |
| Image* m_image; |
| }; |
| |
| } |
| |
| #endif |