initial import
[vuplus_webkit] / Source / WebKit / chromium / src / WorkerAsyncFileWriterChromium.cpp
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 #include "config.h"
32 #include "WorkerAsyncFileWriterChromium.h"
33
34 #if ENABLE(FILE_SYSTEM) && ENABLE(WORKERS)
35
36 #include "AsyncFileSystem.h"
37 #include "Blob.h"
38 #include "ScriptExecutionContext.h"
39 #include "WebFileSystem.h"
40 #include "WebFileWriter.h"
41 #include "WebURL.h"
42 #include "WebWorkerBase.h"
43 #include "WorkerContext.h"
44 #include "WorkerFileWriterCallbacksBridge.h"
45 #include "WorkerLoaderProxy.h"
46 #include "WorkerThread.h"
47 #include <wtf/Assertions.h>
48
49 using namespace WebKit;
50
51 namespace WebCore {
52
53 WorkerAsyncFileWriterChromium::WorkerAsyncFileWriterChromium(WebFileSystem* webFileSystem, const WebURL& path, WorkerContext* workerContext, AsyncFileWriterClient* client, WriterType type)
54     : m_type(type)
55 {
56     ASSERT(m_type == Asynchronous); // Synchronous is not implemented yet.
57
58     WorkerLoaderProxy* proxy = &workerContext->thread()->workerLoaderProxy();
59     m_bridge = WorkerFileWriterCallbacksBridge::create(path, proxy, workerContext, client);
60 }
61
62 WorkerAsyncFileWriterChromium::~WorkerAsyncFileWriterChromium()
63 {
64     m_bridge->postShutdownToMainThread(m_bridge);
65 }
66
67 bool WorkerAsyncFileWriterChromium::waitForOperationToComplete()
68 {
69     return m_bridge->waitForOperationToComplete();
70 }
71
72 void WorkerAsyncFileWriterChromium::write(long long position, Blob* data)
73 {
74     m_bridge->postWriteToMainThread(position, data->url());
75 }
76
77 void WorkerAsyncFileWriterChromium::truncate(long long length)
78 {
79     m_bridge->postTruncateToMainThread(length);
80 }
81
82 void WorkerAsyncFileWriterChromium::abort()
83 {
84     m_bridge->postAbortToMainThread();
85 }
86
87 }
88
89 #endif // ENABLE(FILE_SYSTEM)