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 WebFileUtilities_h 32 #define WebFileUtilities_h 33 34 #include "WebCommon.h" 35 #include "WebString.h" 36 #include "WebURL.h" 37 38 #ifdef WIN32 39 typedef void *HANDLE; 40 #endif 41 42 namespace WebKit { 43 44 class WebFileUtilities { 45 public: 46 #ifdef WIN32 47 typedef HANDLE FileHandle; 48 #else 49 typedef int FileHandle; 50 #endif 51 virtual void revealFolderInOS(const WebString& path) { } 52 virtual bool fileExists(const WebString& path) { return false; } 53 virtual bool deleteFile(const WebString& path) { return false; } 54 virtual bool deleteEmptyDirectory(const WebString& path) { return false; } 55 virtual bool getFileSize(const WebString& path, long long& result) { return false; } 56 virtual bool getFileModificationTime(const WebString& path, double& result) { return false; } 57 virtual WebString directoryName(const WebString& path) { return WebString(); } 58 virtual WebString pathByAppendingComponent(const WebString& path, const WebString& component) { return WebString(); } 59 virtual bool makeAllDirectories(const WebString& path) { return false; } 60 virtual WebString getAbsolutePath(const WebString& path) { return WebString(); } 61 virtual bool isDirectory(const WebString& path) { return false; } 62 virtual WebURL filePathToURL(const WebString& path) { return WebURL(); } 63 virtual FileHandle openFile(const WebString& path, int mode) { return FileHandle(); } 64 // Should set the FileHandle to a invalid value if the file is closed successfully. 65 virtual void closeFile(FileHandle&) { } 66 virtual long long seekFile(FileHandle, long long offset, int origin) { return 0; } 67 virtual bool truncateFile(FileHandle, long long offset) { return false; } 68 virtual int readFromFile(FileHandle, char* data, int length) { return 0; } 69 virtual int writeToFile(FileHandle, const char* data, int length) { return 0; } 70 71 protected: 72 ~WebFileUtilities() {} 73 }; 74 75 } // namespace WebKit 76 77 #endif 78
