1/*
2 * Copyright (C) 2010 Google Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 *
8 *     * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 *     * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 *     * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#ifndef BlobRegistryImpl_h
32#define BlobRegistryImpl_h
33
34#include "BlobData.h"
35#include "BlobRegistry.h"
36#include "BlobStorageData.h"
37#include "PlatformString.h"
38#include <wtf/HashMap.h>
39#include <wtf/text/CString.h>
40#include <wtf/text/StringHash.h>
41
42namespace WebCore {
43
44class KURL;
45class ResourceError;
46class ResourceHandle;
47class ResourceHandleClient;
48class ResourceRequest;
49class ResourceResponse;
50
51// BlobRegistryImpl is not thread-safe. It should only be called from main thread.
52class BlobRegistryImpl : public BlobRegistry {
53public:
54    virtual ~BlobRegistryImpl() { }
55
56    virtual void registerBlobURL(const KURL&, PassOwnPtr<BlobData>);
57    virtual void registerBlobURL(const KURL&, const KURL& srcURL);
58    virtual void unregisterBlobURL(const KURL&);
59    virtual PassRefPtr<ResourceHandle> createResourceHandle(const ResourceRequest&, ResourceHandleClient*);
60    virtual bool loadResourceSynchronously(const ResourceRequest&, ResourceError&, ResourceResponse&, Vector<char>& data);
61
62    PassRefPtr<BlobStorageData> getBlobDataFromURL(const KURL&) const;
63
64private:
65    bool shouldLoadResource(const ResourceRequest& request) const;
66    void appendStorageItems(BlobStorageData*, const BlobDataItemList&);
67    void appendStorageItems(BlobStorageData*, const BlobDataItemList&, long long offset, long long length);
68
69    HashMap<String, RefPtr<BlobStorageData> > m_blobs;
70};
71
72} // namespace WebCore
73
74#endif // BlobRegistryImpl_h
75