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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 AsyncFileWriterChromium_h
     32 #define AsyncFileWriterChromium_h
     33 
     34 #if ENABLE(FILE_SYSTEM)
     35 
     36 #include "AsyncFileWriter.h"
     37 #include "WebFileError.h"
     38 #include "WebFileWriterClient.h"
     39 #include <wtf/PassOwnPtr.h>
     40 
     41 namespace WebKit {
     42 class WebFileWriter;
     43 }
     44 
     45 namespace WebCore {
     46 
     47 class Blob;
     48 class AsyncFileWriterClient;
     49 
     50 class AsyncFileWriterChromium : public AsyncFileWriter, public WebKit::WebFileWriterClient {
     51 public:
     52     AsyncFileWriterChromium(AsyncFileWriterClient* client);
     53     ~AsyncFileWriterChromium();
     54 
     55     void setWebFileWriter(PassOwnPtr<WebKit::WebFileWriter> writer);
     56 
     57     // FileWriter
     58     virtual void write(long long position, Blob* data);
     59     virtual void truncate(long long length);
     60     virtual void abort();
     61 
     62     // WebFileWriterClient
     63     virtual void didWrite(long long bytes, bool complete);
     64     virtual void didTruncate();
     65     virtual void didFail(WebKit::WebFileError);
     66 
     67 private:
     68     OwnPtr<WebKit::WebFileWriter> m_writer;
     69     AsyncFileWriterClient* m_client;
     70 };
     71 
     72 } // namespace
     73 
     74 #endif // ENABLE(FILE_SYSTEM)
     75 
     76 #endif // AsyncFileWriterChromium_h
     77