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      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 
     41 namespace WebKit {
     42 class WebFileSystem;
     43 class WebWorkerBase;
     44 class WorkerFileSystemCallbacksBridge;
     45 }
     46 
     47 namespace WebCore {
     48 
     49 class AsyncFileSystemCallbacks;
     50 class ScriptExecutionContext;
     51 class WorkerContext;
     52 
     53 class WorkerAsyncFileSystemChromium : public AsyncFileSystem {
     54 public:
     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 
     77 private:
     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