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 FileWriterSync_h 32 #define FileWriterSync_h 33 34 #include "bindings/v8/ScriptWrappable.h" 35 #include "core/fileapi/FileError.h" 36 #include "modules/filesystem/FileWriterBase.h" 37 #include "platform/heap/Handle.h" 38 #include "public/platform/WebFileWriterClient.h" 39 40 namespace WebCore { 41 42 class Blob; 43 class ExceptionState; 44 45 class FileWriterSync FINAL : public FileWriterBase, public ScriptWrappable, public blink::WebFileWriterClient { 46 public: create()47 static FileWriterSync* create() 48 { 49 return adoptRefCountedGarbageCollected(new FileWriterSync()); 50 } 51 virtual ~FileWriterSync(); 52 53 // FileWriterBase 54 void write(Blob*, ExceptionState&); 55 void seek(long long position, ExceptionState&); 56 void truncate(long long length, ExceptionState&); 57 58 // WebFileWriterClient, via FileWriterBase 59 virtual void didWrite(long long bytes, bool complete) OVERRIDE; 60 virtual void didTruncate() OVERRIDE; 61 virtual void didFail(blink::WebFileError) OVERRIDE; 62 63 private: 64 FileWriterSync(); 65 void prepareForWrite(); 66 67 FileError::ErrorCode m_error; 68 #ifndef NDEBUG 69 bool m_complete; 70 #endif 71 }; 72 73 } // namespace WebCore 74 75 #endif // FileWriter_h 76