#ifndef KHTML_CachedImage_h
#define KHTML_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 {
public:
CachedImage(DocLoader*, const String& url, CachePolicy);
virtual ~CachedImage();
Image* image() const;
bool canRender() const { return !isErrorImage() && imageSize().width() > 0 && imageSize().height() > 0; }
IntSize imageSize() const; IntRect imageRect() const;
virtual void ref(CachedResourceClient*);
virtual void allReferencesRemoved();
virtual void destroyDecodedData();
virtual Vector<char>& bufferData(const char* bytes, int addedSize, Request*);
virtual void data(Vector<char>&, bool allDataReceived);
virtual void error();
bool isErrorImage() const { return m_errorOccurred; }
virtual bool schedule() const { return true; }
void checkNotify();
virtual bool isImage() const { return true; }
void clear();
virtual unsigned decodedSize() const;
virtual void decodedSizeChanging(const Image* image, int delta);
virtual void decodedSizeChanged(const Image* image, int delta);
virtual bool shouldPauseAnimation(const Image* image);
virtual void animationAdvanced(const Image* image);
bool stillNeedsLoad() const { return !m_errorOccurred && m_status == Unknown && m_loading == false; }
void load();
private:
void createImage();
void notifyObservers();
Image* m_image;
int m_dataSize;
int m_maxDataSize;
bool m_errorOccurred : 1;
friend class Cache;
};
}
#endif