1 /*
2 * Copyright (C) 2013 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 #include "config.h"
32 #include "public/platform/WebFileSystemCallbacks.h"
33
34 #include "platform/AsyncFileSystemCallbacks.h"
35 #include "platform/FileMetadata.h"
36 #include "public/platform/WebFileInfo.h"
37 #include "public/platform/WebFileSystem.h"
38 #include "public/platform/WebFileSystemEntry.h"
39 #include "public/platform/WebFileWriter.h"
40 #include "public/platform/WebString.h"
41 #include "wtf/PassOwnPtr.h"
42 #include "wtf/PassRefPtr.h"
43 #include "wtf/RefCounted.h"
44
45 namespace blink {
46
47 class WebFileSystemCallbacksPrivate : public RefCounted<WebFileSystemCallbacksPrivate> {
48 public:
create(const PassOwnPtr<AsyncFileSystemCallbacks> & callbacks)49 static PassRefPtr<WebFileSystemCallbacksPrivate> create(const PassOwnPtr<AsyncFileSystemCallbacks>& callbacks)
50 {
51 return adoptRef(new WebFileSystemCallbacksPrivate(callbacks));
52 }
53
callbacks()54 AsyncFileSystemCallbacks* callbacks() { return m_callbacks.get(); }
55
56 private:
WebFileSystemCallbacksPrivate(const PassOwnPtr<AsyncFileSystemCallbacks> & callbacks)57 WebFileSystemCallbacksPrivate(const PassOwnPtr<AsyncFileSystemCallbacks>& callbacks) : m_callbacks(callbacks) { }
58 OwnPtr<AsyncFileSystemCallbacks> m_callbacks;
59 };
60
WebFileSystemCallbacks(const PassOwnPtr<AsyncFileSystemCallbacks> & callbacks)61 WebFileSystemCallbacks::WebFileSystemCallbacks(const PassOwnPtr<AsyncFileSystemCallbacks>& callbacks)
62 {
63 m_private = WebFileSystemCallbacksPrivate::create(callbacks);
64 }
65
reset()66 void WebFileSystemCallbacks::reset()
67 {
68 m_private.reset();
69 }
70
assign(const WebFileSystemCallbacks & other)71 void WebFileSystemCallbacks::assign(const WebFileSystemCallbacks& other)
72 {
73 m_private = other.m_private;
74 }
75
didSucceed()76 void WebFileSystemCallbacks::didSucceed()
77 {
78 ASSERT(!m_private.isNull());
79 m_private->callbacks()->didSucceed();
80 m_private.reset();
81 }
82
didReadMetadata(const WebFileInfo & webFileInfo)83 void WebFileSystemCallbacks::didReadMetadata(const WebFileInfo& webFileInfo)
84 {
85 ASSERT(!m_private.isNull());
86 FileMetadata fileMetadata;
87 fileMetadata.modificationTime = webFileInfo.modificationTime;
88 fileMetadata.length = webFileInfo.length;
89 fileMetadata.type = static_cast<FileMetadata::Type>(webFileInfo.type);
90 fileMetadata.platformPath = webFileInfo.platformPath;
91 m_private->callbacks()->didReadMetadata(fileMetadata);
92 m_private.reset();
93 }
94
didCreateSnapshotFile(const WebFileInfo & webFileInfo)95 void WebFileSystemCallbacks::didCreateSnapshotFile(const WebFileInfo& webFileInfo)
96 {
97 ASSERT(!m_private.isNull());
98 // It's important to create a BlobDataHandle that refers to the platform file path prior
99 // to return from this method so the underlying file will not be deleted.
100 OwnPtr<BlobData> blobData = BlobData::create();
101 blobData->appendFile(webFileInfo.platformPath);
102 RefPtr<BlobDataHandle> snapshotBlob = BlobDataHandle::create(blobData.release(), webFileInfo.length);
103
104 FileMetadata fileMetadata;
105 fileMetadata.modificationTime = webFileInfo.modificationTime;
106 fileMetadata.length = webFileInfo.length;
107 fileMetadata.type = static_cast<FileMetadata::Type>(webFileInfo.type);
108 fileMetadata.platformPath = webFileInfo.platformPath;
109 m_private->callbacks()->didCreateSnapshotFile(fileMetadata, snapshotBlob);
110 m_private.reset();
111 }
112
didReadDirectory(const WebVector<WebFileSystemEntry> & entries,bool hasMore)113 void WebFileSystemCallbacks::didReadDirectory(const WebVector<WebFileSystemEntry>& entries, bool hasMore)
114 {
115 ASSERT(!m_private.isNull());
116 for (size_t i = 0; i < entries.size(); ++i)
117 m_private->callbacks()->didReadDirectoryEntry(entries[i].name, entries[i].isDirectory);
118 m_private->callbacks()->didReadDirectoryEntries(hasMore);
119 m_private.reset();
120 }
121
didOpenFileSystem(const WebString & name,const WebURL & rootURL)122 void WebFileSystemCallbacks::didOpenFileSystem(const WebString& name, const WebURL& rootURL)
123 {
124 ASSERT(!m_private.isNull());
125 m_private->callbacks()->didOpenFileSystem(name, rootURL);
126 m_private.reset();
127 }
128
didResolveURL(const WebString & name,const WebURL & rootURL,WebFileSystemType type,const WebString & filePath,bool isDirectory)129 void WebFileSystemCallbacks::didResolveURL(const WebString& name, const WebURL& rootURL, WebFileSystemType type, const WebString& filePath, bool isDirectory)
130 {
131 ASSERT(!m_private.isNull());
132 m_private->callbacks()->didResolveURL(name, rootURL, static_cast<FileSystemType>(type), filePath, isDirectory);
133 m_private.reset();
134 }
135
didCreateFileWriter(WebFileWriter * webFileWriter,long long length)136 void WebFileSystemCallbacks::didCreateFileWriter(WebFileWriter* webFileWriter, long long length)
137 {
138 ASSERT(!m_private.isNull());
139 m_private->callbacks()->didCreateFileWriter(adoptPtr(webFileWriter), length);
140 m_private.reset();
141 }
142
didFail(WebFileError error)143 void WebFileSystemCallbacks::didFail(WebFileError error)
144 {
145 ASSERT(!m_private.isNull());
146 m_private->callbacks()->didFail(error);
147 m_private.reset();
148 }
149
shouldBlockUntilCompletion() const150 bool WebFileSystemCallbacks::shouldBlockUntilCompletion() const
151 {
152 ASSERT(!m_private.isNull());
153 return m_private->callbacks()->shouldBlockUntilCompletion();
154 }
155
156 } // namespace blink
157