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 WorkerAsyncFileSystemChromium_h
32#define WorkerAsyncFileSystemChromium_h
33
34#if ENABLE(FILE_SYSTEM)
35
36#include "AsyncFileSystem.h"
37#include "PlatformString.h"
38#include <wtf/PassOwnPtr.h>
39#include <wtf/RefPtr.h>
40
41namespace WebKit {
42class WebFileSystem;
43class WebWorkerBase;
44class WorkerFileSystemCallbacksBridge;
45}
46
47namespace WebCore {
48
49class AsyncFileSystemCallbacks;
50class ScriptExecutionContext;
51class WorkerContext;
52
53class WorkerAsyncFileSystemChromium : public AsyncFileSystem {
54public:
55    static PassOwnPtr<AsyncFileSystem> create(ScriptExecutionContext* context, AsyncFileSystem::Type type, const String& rootPath, bool synchronous)
56    {
57        return adoptPtr(new WorkerAsyncFileSystemChromium(context, type, rootPath, synchronous));
58    }
59
60    virtual ~WorkerAsyncFileSystemChromium();
61
62    // Runs one pending operation (to wait for completion in the sync-mode).
63    virtual bool waitForOperationToComplete();
64
65    virtual void move(const String& sourcePath, const String& destinationPath, PassOwnPtr<AsyncFileSystemCallbacks>);
66    virtual void copy(const String& sourcePath, const String& destinationPath, PassOwnPtr<AsyncFileSystemCallbacks>);
67    virtual void remove(const String& path, PassOwnPtr<AsyncFileSystemCallbacks>);
68    virtual void removeRecursively(const String& path, PassOwnPtr<AsyncFileSystemCallbacks>);
69    virtual void readMetadata(const String& path, PassOwnPtr<AsyncFileSystemCallbacks>);
70    virtual void createFile(const String& path, bool exclusive, PassOwnPtr<AsyncFileSystemCallbacks>);
71    virtual void createDirectory(const String& path, bool exclusive, PassOwnPtr<AsyncFileSystemCallbacks>);
72    virtual void fileExists(const String& path, PassOwnPtr<AsyncFileSystemCallbacks>);
73    virtual void directoryExists(const String& path, PassOwnPtr<AsyncFileSystemCallbacks>);
74    virtual void readDirectory(const String& path, PassOwnPtr<AsyncFileSystemCallbacks>);
75    virtual void createWriter(AsyncFileWriterClient* client, const String& path, PassOwnPtr<AsyncFileSystemCallbacks>);
76
77private:
78    WorkerAsyncFileSystemChromium(ScriptExecutionContext*, AsyncFileSystem::Type, const String& rootPath, bool synchronous);
79
80    PassRefPtr<WebKit::WorkerFileSystemCallbacksBridge> createWorkerFileSystemCallbacksBridge(PassOwnPtr<AsyncFileSystemCallbacks>);
81
82    ScriptExecutionContext* m_scriptExecutionContext;
83    WebKit::WebFileSystem* m_webFileSystem;
84    WebKit::WebWorkerBase* m_worker;
85    WorkerContext* m_workerContext;
86    RefPtr<WebKit::WorkerFileSystemCallbacksBridge> m_bridgeForCurrentOperation;
87    String m_modeForCurrentOperation;
88    bool m_synchronous;
89};
90
91} // namespace WebCore
92
93#endif // ENABLE(FILE_SYSTEM)
94
95#endif // WorkerAsyncFileSystemChromium_h
96