1/*
2 * Copyright (C) 2009 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 ThreadableLoaderClientWrapper_h
32#define ThreadableLoaderClientWrapper_h
33
34#include "core/loader/ThreadableLoaderClient.h"
35#include "wtf/Noncopyable.h"
36#include "wtf/PassRefPtr.h"
37#include "wtf/ThreadSafeRefCounted.h"
38#include "wtf/Threading.h"
39
40namespace blink {
41
42class ThreadableLoaderClientWrapper : public ThreadSafeRefCounted<ThreadableLoaderClientWrapper> {
43public:
44    static PassRefPtr<ThreadableLoaderClientWrapper> create(ThreadableLoaderClient* client)
45    {
46        return adoptRef(new ThreadableLoaderClientWrapper(client));
47    }
48
49    void clearClient()
50    {
51        m_done = true;
52        m_client = 0;
53    }
54
55    bool done() const
56    {
57        return m_done;
58    }
59
60    void didSendData(unsigned long long bytesSent, unsigned long long totalBytesToBeSent)
61    {
62        if (m_client)
63            m_client->didSendData(bytesSent, totalBytesToBeSent);
64    }
65
66    void didReceiveResponse(unsigned long identifier, const ResourceResponse& response)
67    {
68        if (m_client)
69            m_client->didReceiveResponse(identifier, response);
70    }
71
72    void didReceiveData(const char* data, int dataLength)
73    {
74        if (m_client)
75            m_client->didReceiveData(data, dataLength);
76    }
77
78    void didReceiveCachedMetadata(const char* data, int dataLength)
79    {
80        if (m_client)
81            m_client->didReceiveCachedMetadata(data, dataLength);
82    }
83
84    void didFinishLoading(unsigned long identifier, double finishTime)
85    {
86        m_done = true;
87        if (m_client)
88            m_client->didFinishLoading(identifier, finishTime);
89    }
90
91    void didFail(const ResourceError& error)
92    {
93        m_done = true;
94        if (m_client)
95            m_client->didFail(error);
96    }
97
98    void didFailAccessControlCheck(const ResourceError& error)
99    {
100        // Let the client first handle the failure by possibly issuing
101        // a didFail() with a cancellation error before marking this
102        // wrapper as 'done'.
103        if (m_client)
104            m_client->didFailAccessControlCheck(error);
105        m_done = true;
106    }
107
108    void didFailRedirectCheck()
109    {
110        if (m_client)
111            m_client->didFailRedirectCheck();
112        m_done = true;
113    }
114
115    void didReceiveAuthenticationCancellation(unsigned long identifier, const ResourceResponse& response)
116    {
117        if (m_client)
118            m_client->didReceiveResponse(identifier, response);
119    }
120
121    void didDownloadData(int dataLength)
122    {
123        if (m_client)
124            m_client->didDownloadData(dataLength);
125    }
126
127protected:
128    explicit ThreadableLoaderClientWrapper(ThreadableLoaderClient* client)
129        : m_client(client)
130        , m_done(false)
131    {
132    }
133
134    ThreadableLoaderClient* m_client;
135    bool m_done;
136};
137
138} // namespace blink
139
140#endif // ThreadableLoaderClientWrapper_h
141