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