1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
|
/*
* Copyright (C) 2009 Google 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:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "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 THE COPYRIGHT
* OWNER 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 ThreadableLoaderClientWrapper_h
#define ThreadableLoaderClientWrapper_h
#include "core/loader/ThreadableLoaderClient.h"
#include "wtf/Noncopyable.h"
#include "wtf/PassRefPtr.h"
#include "wtf/ThreadSafeRefCounted.h"
#include "wtf/Threading.h"
namespace blink {
class ThreadableLoaderClientWrapper : public ThreadSafeRefCounted<ThreadableLoaderClientWrapper> {
public:
static PassRefPtr<ThreadableLoaderClientWrapper> create(ThreadableLoaderClient* client)
{
return adoptRef(new ThreadableLoaderClientWrapper(client));
}
void clearClient()
{
MutexLocker lock(m_lock);
m_done = true;
m_client = 0;
}
// Returns true iff client has been detached. No restriction on caller thread.
bool isDetached()
{
MutexLocker lock(m_lock);
return m_done && !m_client;
}
void didSendData(unsigned long long bytesSent, unsigned long long totalBytesToBeSent)
{
if (m_client)
m_client->didSendData(bytesSent, totalBytesToBeSent);
}
void didReceiveResponse(unsigned long identifier, const ResourceResponse& response, PassOwnPtr<WebDataConsumerHandle> handle)
{
if (m_client)
m_client->didReceiveResponse(identifier, response, handle);
}
void didReceiveData(const char* data, unsigned dataLength)
{
if (m_client)
m_client->didReceiveData(data, dataLength);
}
void didReceiveCachedMetadata(const char* data, int dataLength)
{
if (m_client)
m_client->didReceiveCachedMetadata(data, dataLength);
}
void didFinishLoading(unsigned long identifier, double finishTime)
{
m_done = true;
if (m_client)
m_client->didFinishLoading(identifier, finishTime);
}
void didFail(const ResourceError& error)
{
m_done = true;
if (m_client)
m_client->didFail(error);
}
void didFailAccessControlCheck(const ResourceError& error)
{
// Let the client first handle the failure by possibly issuing
// a didFail() with a cancellation error before marking this
// wrapper as 'done'.
if (m_client)
m_client->didFailAccessControlCheck(error);
m_done = true;
}
void didFailRedirectCheck()
{
if (m_client)
m_client->didFailRedirectCheck();
m_done = true;
}
void didReceiveAuthenticationCancellation(unsigned long identifier, const ResourceResponse& response)
{
if (m_client)
m_client->didReceiveResponse(identifier, response, nullptr);
}
void didDownloadData(int dataLength)
{
if (m_client)
m_client->didDownloadData(dataLength);
}
protected:
explicit ThreadableLoaderClientWrapper(ThreadableLoaderClient* client)
: m_client(client)
, m_done(false)
{
}
Mutex m_lock;
ThreadableLoaderClient* m_client;
bool m_done;
};
} // namespace blink
#endif // ThreadableLoaderClientWrapper_h
|
