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 WebBlobRegistry_h
32#define WebBlobRegistry_h
33
34#include "WebCommon.h"
35
36namespace blink {
37
38class WebBlobData;
39class WebString;
40class WebThreadSafeData;
41class WebURL;
42
43class WebBlobRegistry {
44public:
45    virtual ~WebBlobRegistry() { }
46
47    virtual void registerBlobData(const WebString& uuid, const WebBlobData&) { }
48    virtual void addBlobDataRef(const WebString& uuid) { }
49    virtual void removeBlobDataRef(const WebString& uuid) { }
50    virtual void registerPublicBlobURL(const WebURL&, const WebString& uuid) { }
51    virtual void revokePublicBlobURL(const WebURL&) { }
52
53    // Registers a stream URL referring to a stream with the specified media
54    // type.
55    virtual void registerStreamURL(const WebURL&, const WebString&) { BLINK_ASSERT_NOT_REACHED(); }
56
57    // Registers a stream URL referring to the stream identified by the
58    // specified srcURL.
59    virtual void registerStreamURL(const WebURL&, const WebURL& srcURL) { BLINK_ASSERT_NOT_REACHED(); };
60
61    // Add data to the stream referred by the URL.
62    virtual void addDataToStream(const WebURL&, WebThreadSafeData&) { BLINK_ASSERT_NOT_REACHED(); }
63
64    // Tell the registry that construction of this stream has completed
65    // successfully and so it won't receive any more data.
66    virtual void finalizeStream(const WebURL&) { BLINK_ASSERT_NOT_REACHED(); }
67
68    // Tell the registry that construction of this stream has been aborted and
69    // so it won't receive any more data.
70    virtual void abortStream(const WebURL&) { BLINK_ASSERT_NOT_REACHED(); }
71
72    // Unregisters a stream referred by the URL.
73    virtual void unregisterStreamURL(const WebURL&) { BLINK_ASSERT_NOT_REACHED(); }
74};
75
76} // namespace blink
77
78#endif // WebBlobRegistry_h
79