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 "LocalFileSystem.h"
33
34 #if PLATFORM(CHROMIUM)
35 #error "Chromium should not compile this file and instead define its own version of these factories."
36 #endif
37
38 #if ENABLE(FILE_SYSTEM)
39
40 #include "CrossThreadTask.h"
41 #include "DOMFileSystem.h"
42 #include "ErrorCallback.h"
43 #include "ExceptionCode.h"
44 #include "FileError.h"
45 #include "FileSystemCallback.h"
46 #include "FileSystemCallbacks.h"
47 #include "ScriptExecutionContext.h"
48 #include "SecurityOrigin.h"
49 #include <wtf/PassRefPtr.h>
50
51 namespace WebCore {
52
53 LocalFileSystem* LocalFileSystem::s_instance = 0;
54
initializeLocalFileSystem(const String & basePath)55 void LocalFileSystem::initializeLocalFileSystem(const String& basePath)
56 {
57 // FIXME: Should initialize the quota settings as well.
58 ASSERT(isMainThread());
59 ASSERT(!s_instance);
60 if (s_instance)
61 return;
62
63 OwnPtr<LocalFileSystem> localFileSystem = adoptPtr(new LocalFileSystem(basePath));
64 s_instance = localFileSystem.leakPtr();
65 }
66
localFileSystem()67 LocalFileSystem& LocalFileSystem::localFileSystem()
68 {
69 // initializeLocalFileSystem must be called prior calling this.
70 ASSERT(s_instance);
71 return *s_instance;
72 }
73
fileSystemBasePath() const74 String LocalFileSystem::fileSystemBasePath() const
75 {
76 return m_basePath;
77 }
78
openFileSystem(ScriptExecutionContext *,const String & basePath,const String & identifier,AsyncFileSystem::Type type,bool create,PassOwnPtr<AsyncFileSystemCallbacks> callbacks)79 static void openFileSystem(ScriptExecutionContext*, const String& basePath, const String& identifier, AsyncFileSystem::Type type, bool create, PassOwnPtr<AsyncFileSystemCallbacks> callbacks)
80 {
81 AsyncFileSystem::openFileSystem(basePath, identifier, type, create, callbacks);
82 }
83
readFileSystem(ScriptExecutionContext * context,AsyncFileSystem::Type type,PassOwnPtr<AsyncFileSystemCallbacks> callbacks,bool)84 void LocalFileSystem::readFileSystem(ScriptExecutionContext* context, AsyncFileSystem::Type type, PassOwnPtr<AsyncFileSystemCallbacks> callbacks, bool)
85 {
86 // AsyncFileSystem::openFileSystem calls callbacks synchronously, so the method needs to be called asynchronously.
87 context->postTask(createCallbackTask(&openFileSystem, fileSystemBasePath(), context->securityOrigin()->databaseIdentifier(), type, false, callbacks));
88 }
89
requestFileSystem(ScriptExecutionContext * context,AsyncFileSystem::Type type,long long,PassOwnPtr<AsyncFileSystemCallbacks> callbacks,bool)90 void LocalFileSystem::requestFileSystem(ScriptExecutionContext* context, AsyncFileSystem::Type type, long long, PassOwnPtr<AsyncFileSystemCallbacks> callbacks, bool)
91 {
92 // AsyncFileSystem::openFileSystem calls callbacks synchronously, so the method needs to be called asynchronously.
93 context->postTask(createCallbackTask(&openFileSystem, fileSystemBasePath(), context->securityOrigin()->databaseIdentifier(), type, true, callbacks));
94 }
95
96 } // namespace
97
98 #endif // ENABLE(FILE_SYSTEM)
99