BlobRegistryImpl.h   [plain text]

/*
 * Copyright (C) 2010 Google Inc. All rights reserved.
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 *
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#ifndef BlobRegistryImpl_h
#define BlobRegistryImpl_h

#include "BlobData.h"
#include "BlobRegistry.h"
#include "BlobStorageData.h"
#include "PlatformString.h"
#include <wtf/HashMap.h>
#include <wtf/text/CString.h>
#include <wtf/text/StringHash.h>

namespace WebCore {

class KURL;
class ResourceError;
class ResourceHandle;
class ResourceHandleClient;
class ResourceRequest;
class ResourceResponse;

// BlobRegistryImpl is not thread-safe. It should only be called from main thread.
class BlobRegistryImpl : public BlobRegistry {
public:
    virtual ~BlobRegistryImpl() { }

    virtual void registerBlobURL(const KURL&, PassOwnPtr<BlobData>);
    virtual void registerBlobURL(const KURL&, const KURL& srcURL);
    virtual void unregisterBlobURL(const KURL&);
    virtual PassRefPtr<ResourceHandle> createResourceHandle(const ResourceRequest&, ResourceHandleClient*);
    virtual bool loadResourceSynchronously(const ResourceRequest&, ResourceError&, ResourceResponse&, Vector<char>& data);

    PassRefPtr<BlobStorageData> getBlobDataFromURL(const KURL&) const;

private:
    bool shouldLoadResource(const ResourceRequest& request) const;
    void appendStorageItems(BlobStorageData*, const BlobDataItemList&);
    void appendStorageItems(BlobStorageData*, const BlobDataItemList&, long long offset, long long length);

    HashMap<String, RefPtr<BlobStorageData> > m_blobs;
};

} // namespace WebCore

#endif // BlobRegistryImpl_h