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 #include "config.h"
32 #include "modules/filesystem/FileSystemCallbacks.h"
33
34 #include "core/dom/ExecutionContext.h"
35 #include "core/fileapi/FileError.h"
36 #include "core/html/VoidCallback.h"
37 #include "modules/filesystem/DOMFilePath.h"
38 #include "modules/filesystem/DOMFileSystemBase.h"
39 #include "modules/filesystem/DirectoryEntry.h"
40 #include "modules/filesystem/DirectoryReader.h"
41 #include "modules/filesystem/Entry.h"
42 #include "modules/filesystem/EntryCallback.h"
43 #include "modules/filesystem/ErrorCallback.h"
44 #include "modules/filesystem/FileEntry.h"
45 #include "modules/filesystem/FileSystemCallback.h"
46 #include "modules/filesystem/FileWriterBase.h"
47 #include "modules/filesystem/FileWriterBaseCallback.h"
48 #include "modules/filesystem/Metadata.h"
49 #include "modules/filesystem/MetadataCallback.h"
50 #include "platform/FileMetadata.h"
51 #include "public/platform/WebFileWriter.h"
52
53 namespace WebCore {
54
FileSystemCallbacksBase(PassOwnPtr<ErrorCallback> errorCallback,DOMFileSystemBase * fileSystem)55 FileSystemCallbacksBase::FileSystemCallbacksBase(PassOwnPtr<ErrorCallback> errorCallback, DOMFileSystemBase* fileSystem)
56 : m_errorCallback(errorCallback)
57 , m_fileSystem(fileSystem)
58 {
59 if (m_fileSystem)
60 m_fileSystem->addPendingCallbacks();
61 }
62
~FileSystemCallbacksBase()63 FileSystemCallbacksBase::~FileSystemCallbacksBase()
64 {
65 if (m_fileSystem)
66 m_fileSystem->removePendingCallbacks();
67 }
68
didFail(int code)69 void FileSystemCallbacksBase::didFail(int code)
70 {
71 if (m_errorCallback) {
72 m_errorCallback->handleEvent(FileError::create(static_cast<FileError::ErrorCode>(code)).get());
73 m_errorCallback.clear();
74 }
75 }
76
77 // EntryCallbacks -------------------------------------------------------------
78
create(PassOwnPtr<EntryCallback> successCallback,PassOwnPtr<ErrorCallback> errorCallback,PassRefPtr<DOMFileSystemBase> fileSystem,const String & expectedPath,bool isDirectory)79 PassOwnPtr<AsyncFileSystemCallbacks> EntryCallbacks::create(PassOwnPtr<EntryCallback> successCallback, PassOwnPtr<ErrorCallback> errorCallback, PassRefPtr<DOMFileSystemBase> fileSystem, const String& expectedPath, bool isDirectory)
80 {
81 return adoptPtr(new EntryCallbacks(successCallback, errorCallback, fileSystem, expectedPath, isDirectory));
82 }
83
EntryCallbacks(PassOwnPtr<EntryCallback> successCallback,PassOwnPtr<ErrorCallback> errorCallback,PassRefPtr<DOMFileSystemBase> fileSystem,const String & expectedPath,bool isDirectory)84 EntryCallbacks::EntryCallbacks(PassOwnPtr<EntryCallback> successCallback, PassOwnPtr<ErrorCallback> errorCallback, PassRefPtr<DOMFileSystemBase> fileSystem, const String& expectedPath, bool isDirectory)
85 : FileSystemCallbacksBase(errorCallback, fileSystem.get())
86 , m_successCallback(successCallback)
87 , m_expectedPath(expectedPath)
88 , m_isDirectory(isDirectory)
89 {
90 }
91
didSucceed()92 void EntryCallbacks::didSucceed()
93 {
94 if (m_successCallback) {
95 if (m_isDirectory)
96 m_successCallback->handleEvent(DirectoryEntry::create(m_fileSystem, m_expectedPath).get());
97 else
98 m_successCallback->handleEvent(FileEntry::create(m_fileSystem, m_expectedPath).get());
99 }
100 m_successCallback.clear();
101 }
102
103 // EntriesCallbacks -----------------------------------------------------------
104
create(PassOwnPtr<EntriesCallback> successCallback,PassOwnPtr<ErrorCallback> errorCallback,PassRefPtr<DirectoryReaderBase> directoryReader,const String & basePath)105 PassOwnPtr<AsyncFileSystemCallbacks> EntriesCallbacks::create(PassOwnPtr<EntriesCallback> successCallback, PassOwnPtr<ErrorCallback> errorCallback, PassRefPtr<DirectoryReaderBase> directoryReader, const String& basePath)
106 {
107 return adoptPtr(new EntriesCallbacks(successCallback, errorCallback, directoryReader, basePath));
108 }
109
EntriesCallbacks(PassOwnPtr<EntriesCallback> successCallback,PassOwnPtr<ErrorCallback> errorCallback,PassRefPtr<DirectoryReaderBase> directoryReader,const String & basePath)110 EntriesCallbacks::EntriesCallbacks(PassOwnPtr<EntriesCallback> successCallback, PassOwnPtr<ErrorCallback> errorCallback, PassRefPtr<DirectoryReaderBase> directoryReader, const String& basePath)
111 : FileSystemCallbacksBase(errorCallback, directoryReader->filesystem())
112 , m_successCallback(successCallback)
113 , m_directoryReader(directoryReader)
114 , m_basePath(basePath)
115 {
116 ASSERT(m_directoryReader);
117 }
118
didReadDirectoryEntry(const String & name,bool isDirectory)119 void EntriesCallbacks::didReadDirectoryEntry(const String& name, bool isDirectory)
120 {
121 if (isDirectory)
122 m_entries.append(DirectoryEntry::create(m_directoryReader->filesystem(), DOMFilePath::append(m_basePath, name)));
123 else
124 m_entries.append(FileEntry::create(m_directoryReader->filesystem(), DOMFilePath::append(m_basePath, name)));
125 }
126
didReadDirectoryEntries(bool hasMore)127 void EntriesCallbacks::didReadDirectoryEntries(bool hasMore)
128 {
129 m_directoryReader->setHasMoreEntries(hasMore);
130 if (m_successCallback)
131 m_successCallback->handleEvent(m_entries);
132 }
133
134 // FileSystemCallbacks --------------------------------------------------------
135
create(PassOwnPtr<FileSystemCallback> successCallback,PassOwnPtr<ErrorCallback> errorCallback,ExecutionContext * executionContext,FileSystemType type)136 PassOwnPtr<AsyncFileSystemCallbacks> FileSystemCallbacks::create(PassOwnPtr<FileSystemCallback> successCallback, PassOwnPtr<ErrorCallback> errorCallback, ExecutionContext* executionContext, FileSystemType type)
137 {
138 return adoptPtr(new FileSystemCallbacks(successCallback, errorCallback, executionContext, type));
139 }
140
FileSystemCallbacks(PassOwnPtr<FileSystemCallback> successCallback,PassOwnPtr<ErrorCallback> errorCallback,ExecutionContext * context,FileSystemType type)141 FileSystemCallbacks::FileSystemCallbacks(PassOwnPtr<FileSystemCallback> successCallback, PassOwnPtr<ErrorCallback> errorCallback, ExecutionContext* context, FileSystemType type)
142 : FileSystemCallbacksBase(errorCallback, 0)
143 , m_successCallback(successCallback)
144 , m_executionContext(context)
145 , m_type(type)
146 {
147 }
148
didOpenFileSystem(const String & name,const KURL & rootURL)149 void FileSystemCallbacks::didOpenFileSystem(const String& name, const KURL& rootURL)
150 {
151 if (m_successCallback) {
152 RefPtr<DOMFileSystem> fileSystem = DOMFileSystem::create(m_executionContext.get(), name, m_type, rootURL);
153 m_successCallback->handleEvent(fileSystem.get());
154 m_executionContext.clear();
155 }
156 m_successCallback.clear();
157 }
158
159 // ResolveURICallbacks --------------------------------------------------------
160
create(PassOwnPtr<EntryCallback> successCallback,PassOwnPtr<ErrorCallback> errorCallback,ExecutionContext * executionContext)161 PassOwnPtr<AsyncFileSystemCallbacks> ResolveURICallbacks::create(PassOwnPtr<EntryCallback> successCallback, PassOwnPtr<ErrorCallback> errorCallback, ExecutionContext* executionContext)
162 {
163 return adoptPtr(new ResolveURICallbacks(successCallback, errorCallback, executionContext));
164 }
165
ResolveURICallbacks(PassOwnPtr<EntryCallback> successCallback,PassOwnPtr<ErrorCallback> errorCallback,ExecutionContext * context)166 ResolveURICallbacks::ResolveURICallbacks(PassOwnPtr<EntryCallback> successCallback, PassOwnPtr<ErrorCallback> errorCallback, ExecutionContext* context)
167 : FileSystemCallbacksBase(errorCallback, 0)
168 , m_successCallback(successCallback)
169 , m_executionContext(context)
170 {
171 }
172
didResolveURL(const String & name,const KURL & rootURL,FileSystemType type,const String & filePath,bool isDirectory)173 void ResolveURICallbacks::didResolveURL(const String& name, const KURL& rootURL, FileSystemType type, const String& filePath, bool isDirectory)
174 {
175 RefPtr<DOMFileSystem> filesystem = DOMFileSystem::create(m_executionContext.get(), name, type, rootURL);
176 RefPtr<DirectoryEntry> root = filesystem->root();
177
178 String absolutePath;
179 if (!DOMFileSystemBase::pathToAbsolutePath(type, root.get(), filePath, absolutePath)) {
180 m_errorCallback->handleEvent(FileError::create(FileError::INVALID_MODIFICATION_ERR).get());
181 m_errorCallback.clear();
182 return;
183 }
184
185 if (isDirectory)
186 m_successCallback->handleEvent(DirectoryEntry::create(filesystem, absolutePath).get());
187 else
188 m_successCallback->handleEvent(FileEntry::create(filesystem, absolutePath).get());
189 m_successCallback.clear();
190 }
191
192 // MetadataCallbacks ----------------------------------------------------------
193
create(PassOwnPtr<MetadataCallback> successCallback,PassOwnPtr<ErrorCallback> errorCallback,DOMFileSystemBase * fileSystem)194 PassOwnPtr<AsyncFileSystemCallbacks> MetadataCallbacks::create(PassOwnPtr<MetadataCallback> successCallback, PassOwnPtr<ErrorCallback> errorCallback, DOMFileSystemBase* fileSystem)
195 {
196 return adoptPtr(new MetadataCallbacks(successCallback, errorCallback, fileSystem));
197 }
198
MetadataCallbacks(PassOwnPtr<MetadataCallback> successCallback,PassOwnPtr<ErrorCallback> errorCallback,DOMFileSystemBase * fileSystem)199 MetadataCallbacks::MetadataCallbacks(PassOwnPtr<MetadataCallback> successCallback, PassOwnPtr<ErrorCallback> errorCallback, DOMFileSystemBase* fileSystem)
200 : FileSystemCallbacksBase(errorCallback, fileSystem)
201 , m_successCallback(successCallback)
202 {
203 }
204
didReadMetadata(const FileMetadata & metadata)205 void MetadataCallbacks::didReadMetadata(const FileMetadata& metadata)
206 {
207 if (m_successCallback)
208 m_successCallback->handleEvent(Metadata::create(metadata).get());
209 m_successCallback.clear();
210 }
211
212 // FileWriterBaseCallbacks ----------------------------------------------------------
213
create(PassRefPtr<FileWriterBase> fileWriter,PassOwnPtr<FileWriterBaseCallback> successCallback,PassOwnPtr<ErrorCallback> errorCallback)214 PassOwnPtr<AsyncFileSystemCallbacks> FileWriterBaseCallbacks::create(PassRefPtr<FileWriterBase> fileWriter, PassOwnPtr<FileWriterBaseCallback> successCallback, PassOwnPtr<ErrorCallback> errorCallback)
215 {
216 return adoptPtr(new FileWriterBaseCallbacks(fileWriter, successCallback, errorCallback));
217 }
218
FileWriterBaseCallbacks(PassRefPtr<FileWriterBase> fileWriter,PassOwnPtr<FileWriterBaseCallback> successCallback,PassOwnPtr<ErrorCallback> errorCallback)219 FileWriterBaseCallbacks::FileWriterBaseCallbacks(PassRefPtr<FileWriterBase> fileWriter, PassOwnPtr<FileWriterBaseCallback> successCallback, PassOwnPtr<ErrorCallback> errorCallback)
220 : FileSystemCallbacksBase(errorCallback, 0)
221 , m_fileWriter(fileWriter)
222 , m_successCallback(successCallback)
223 {
224 }
225
didCreateFileWriter(PassOwnPtr<blink::WebFileWriter> fileWriter,long long length)226 void FileWriterBaseCallbacks::didCreateFileWriter(PassOwnPtr<blink::WebFileWriter> fileWriter, long long length)
227 {
228 m_fileWriter->initialize(fileWriter, length);
229 if (m_successCallback)
230 m_successCallback->handleEvent(m_fileWriter.release().get());
231 m_successCallback.clear();
232 }
233
234 // VoidCallbacks --------------------------------------------------------------
235
create(PassOwnPtr<VoidCallback> successCallback,PassOwnPtr<ErrorCallback> errorCallback,DOMFileSystemBase * fileSystem)236 PassOwnPtr<AsyncFileSystemCallbacks> VoidCallbacks::create(PassOwnPtr<VoidCallback> successCallback, PassOwnPtr<ErrorCallback> errorCallback, DOMFileSystemBase* fileSystem)
237 {
238 return adoptPtr(new VoidCallbacks(successCallback, errorCallback, fileSystem));
239 }
240
VoidCallbacks(PassOwnPtr<VoidCallback> successCallback,PassOwnPtr<ErrorCallback> errorCallback,DOMFileSystemBase * fileSystem)241 VoidCallbacks::VoidCallbacks(PassOwnPtr<VoidCallback> successCallback, PassOwnPtr<ErrorCallback> errorCallback, DOMFileSystemBase* fileSystem)
242 : FileSystemCallbacksBase(errorCallback, fileSystem)
243 , m_successCallback(successCallback)
244 {
245 }
246
didSucceed()247 void VoidCallbacks::didSucceed()
248 {
249 if (m_successCallback)
250 m_successCallback->handleEvent();
251 m_successCallback.clear();
252 }
253
254 } // namespace
255