1/* 2 * Copyright (C) 2014 Apple 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 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' 14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS 17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 23 * THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#ifndef BlobDataFileReference_h 27#define BlobDataFileReference_h 28 29#include "FileSystem.h" 30#include <wtf/RefCounted.h> 31#include <wtf/text/WTFString.h> 32 33namespace WebCore { 34 35class BlobDataFileReference : public RefCounted<BlobDataFileReference> { 36public: 37 static PassRefPtr<BlobDataFileReference> create(const String& path) 38 { 39 return adoptRef(new BlobDataFileReference(path)); 40 } 41 42 virtual ~BlobDataFileReference(); 43 44 void startTrackingModifications(); 45 46 const String& path(); 47 unsigned long long size(); 48 double expectedModificationTime(); 49 50 virtual void prepareForFileAccess(); 51 virtual void revokeFileAccess(); 52 53protected: 54 BlobDataFileReference(const String& path); 55 56private: 57#if ENABLE(FILE_REPLACEMENT) 58 void generateReplacementFile(); 59#endif 60 61 String m_path; 62#if ENABLE(FILE_REPLACEMENT) 63 String m_replacementPath; 64 bool m_replacementShouldBeGenerated; 65#endif 66 unsigned long long m_size; 67 double m_expectedModificationTime; 68}; 69 70} 71 72#endif // BlobDataFileReference_h 73