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/*
* Copyright (C) 2008 Apple Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef IconFetcher_h
#define IconFetcher_h
#include <wtf/RefCounted.h>
#include <wtf/Forward.h>
#include <wtf/Vector.h>
#include "ResourceHandleClient.h"
namespace WebCore {
class Frame;
struct IconLinkEntry;
class ResourceHandle;
class SharedBuffer;
class IconFetcherClient {
public:
virtual void finishedFetchingIcon(PassRefPtr<SharedBuffer> iconData) = 0;
virtual ~IconFetcherClient() { }
};
class IconFetcher : public RefCounted<IconFetcher>, ResourceHandleClient {
public:
static PassRefPtr<IconFetcher> create(Frame*, IconFetcherClient*);
~IconFetcher();
void cancel();
private:
IconFetcher(Frame*, IconFetcherClient*);
void loadEntry();
void loadFailed();
PassRefPtr<SharedBuffer> createIcon();
virtual void didReceiveResponse(ResourceHandle*, const ResourceResponse&);
virtual void didReceiveData(ResourceHandle*, const char*, int, int lengthReceived);
virtual void didFinishLoading(ResourceHandle*);
virtual void didFail(ResourceHandle*, const ResourceError&);
Frame* m_frame;
IconFetcherClient* m_client;
unsigned m_currentEntry;
RefPtr<ResourceHandle> m_handle;
Vector<IconLinkEntry> m_entries;
};
} // namespace WebCore
#endif // IconFetcher_h
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