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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 WorkerAsyncFileWriterChromium_h
     32 #define WorkerAsyncFileWriterChromium_h
     33 
     34 #include "modules/filesystem/AsyncFileWriter.h"
     35 #include "wtf/PassOwnPtr.h"
     36 
     37 namespace WebKit {
     38     class WebFileSystem;
     39     class WebFileWriter;
     40     class WebURL;
     41     class WorkerFileWriterCallbacksBridge;
     42 }
     43 
     44 namespace WTF {
     45     class String;
     46 }
     47 using WTF::String;
     48 
     49 namespace WebCore {
     50 
     51 class AsyncFileSystem;
     52 class AsyncFileWriterClient;
     53 class Blob;
     54 class WorkerGlobalScope;
     55 
     56 class WorkerAsyncFileWriterChromium : public AsyncFileWriter {
     57 public:
     58     enum WriterType {
     59         Asynchronous,
     60         Synchronous,
     61     };
     62 
     63     static PassOwnPtr<WorkerAsyncFileWriterChromium> create(WebKit::WebFileSystem* webFileSystem, const WebKit::WebURL& path, WorkerGlobalScope* workerGlobalScope, AsyncFileWriterClient* client, WriterType type)
     64     {
     65         return adoptPtr(new WorkerAsyncFileWriterChromium(webFileSystem, path, workerGlobalScope, client, type));
     66     }
     67     ~WorkerAsyncFileWriterChromium();
     68 
     69     bool waitForOperationToComplete();
     70 
     71     // FileWriter
     72     virtual void write(long long position, Blob* data);
     73     virtual void truncate(long long length);
     74     virtual void abort();
     75 
     76 private:
     77 
     78     WorkerAsyncFileWriterChromium(WebKit::WebFileSystem*, const WebKit::WebURL& path, WorkerGlobalScope*, AsyncFileWriterClient*, WriterType);
     79     RefPtr<WebKit::WorkerFileWriterCallbacksBridge> m_bridge;
     80 };
     81 
     82 } // namespace
     83 
     84 #endif // AsyncFileWriterChromium_h
     85