1 /* 2 * Copyright (C) 2008 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. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #include "config.h" 27 #include "File.h" 28 29 #include "FileSystem.h" 30 #include "MIMETypeRegistry.h" 31 #include <wtf/CurrentTime.h> 32 #include <wtf/text/WTFString.h> 33 34 namespace WebCore { 35 createBlobDataForFile(const String & path)36 static PassOwnPtr<BlobData> createBlobDataForFile(const String& path) 37 { 38 String type; 39 int index = path.reverseFind('.'); 40 if (index != -1) 41 type = MIMETypeRegistry::getMIMETypeForExtension(path.substring(index + 1)); 42 43 OwnPtr<BlobData> blobData = BlobData::create(); 44 blobData->setContentType(type); 45 blobData->appendFile(path); 46 return blobData.release(); 47 } 48 File(const String & path)49 File::File(const String& path) 50 : Blob(createBlobDataForFile(path), -1) 51 , m_path(path) 52 , m_name(pathGetFileName(path)) 53 { 54 } 55 File(const String & path,const KURL & url,const String & type)56 File::File(const String& path, const KURL& url, const String& type) 57 : Blob(url, type, -1) 58 , m_path(path) 59 { 60 m_name = pathGetFileName(path); 61 } 62 63 #if ENABLE(DIRECTORY_UPLOAD) File(const String & relativePath,const String & path)64 File::File(const String& relativePath, const String& path) 65 : Blob(createBlobDataForFile(path), -1) 66 , m_path(path) 67 , m_relativePath(relativePath) 68 { 69 m_name = pathGetFileName(path); 70 } 71 #endif 72 lastModifiedDate() const73 double File::lastModifiedDate() const 74 { 75 time_t modificationTime; 76 if (!getFileModificationTime(m_path, modificationTime)) 77 return 0; 78 79 // Needs to return epoch time in milliseconds for Date. 80 return modificationTime * 1000.0; 81 } 82 size() const83 unsigned long long File::size() const 84 { 85 // FIXME: JavaScript cannot represent sizes as large as unsigned long long, we need to 86 // come up with an exception to throw if file size is not representable. 87 long long size; 88 if (!getFileSize(m_path, size)) 89 return 0; 90 return static_cast<unsigned long long>(size); 91 } 92 captureSnapshot(long long & snapshotSize,double & snapshotModificationTime) const93 void File::captureSnapshot(long long& snapshotSize, double& snapshotModificationTime) const 94 { 95 // Obtains a snapshot of the file by capturing its current size and modification time. This is used when we slice a file for the first time. 96 // If we fail to retrieve the size or modification time, probably due to that the file has been deleted, 0 size is returned. 97 // FIXME: Combine getFileSize and getFileModificationTime into one file system call. 98 time_t modificationTime; 99 if (!getFileSize(m_path, snapshotSize) || !getFileModificationTime(m_path, modificationTime)) { 100 snapshotSize = 0; 101 snapshotModificationTime = 0; 102 } else 103 snapshotModificationTime = modificationTime; 104 } 105 106 } // namespace WebCore 107