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 #if ENABLE(FILE_SYSTEM) 35 36 #include "ActiveDOMObject.h" 37 #include "FileError.h" 38 #include "FileWriterBase.h" 39 #include <wtf/PassRefPtr.h> 40 41 namespace WebCore { 42 43 class Blob; 44 45 typedef int ExceptionCode; 46 47 class FileWriterSync : public FileWriterBase, public AsyncFileWriterClient { 48 public: 49 static PassRefPtr<FileWriterSync> create() 50 { 51 return adoptRef(new FileWriterSync()); 52 } 53 virtual ~FileWriterSync(); 54 55 // FileWriterBase 56 void write(Blob*, ExceptionCode&); 57 void seek(long long position, ExceptionCode&); 58 void truncate(long long length, ExceptionCode&); 59 60 // AsyncFileWriterClient, via FileWriterBase 61 void didWrite(long long bytes, bool complete); 62 void didTruncate(); 63 void didFail(FileError::ErrorCode); 64 65 private: 66 FileWriterSync(); 67 void prepareForWrite(); 68 69 FileError::ErrorCode m_error; 70 #ifndef NDEBUG 71 bool m_complete; 72 #endif 73 }; 74 75 } // namespace WebCore 76 77 #endif // ENABLE(FILE_SYSTEM) 78 79 #endif // FileWriter_h 80
