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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "webkit/fileapi/syncable/syncable_file_system_operation.h" | |
6 | |
7 #include "base/logging.h" | |
8 #include "webkit/blob/shareable_file_reference.h" | |
9 #include "webkit/browser/fileapi/file_system_context.h" | |
10 #include "webkit/browser/fileapi/file_system_operation_context.h" | |
11 #include "webkit/browser/fileapi/file_system_url.h" | |
12 #include "webkit/browser/fileapi/sandbox_mount_point_provider.h" | |
13 #include "webkit/fileapi/syncable/local_file_sync_context.h" | |
14 #include "webkit/fileapi/syncable/syncable_file_operation_runner.h" | |
15 #include "webkit/fileapi/syncable/syncable_file_system_util.h" | |
16 | |
17 using fileapi::FileSystemURL; | |
18 using fileapi::FileSystemOperationContext; | |
19 using fileapi::LocalFileSystemOperation; | |
20 | |
21 namespace sync_file_system { | |
22 | |
23 namespace { | |
24 | |
25 void WriteCallbackAdapter( | |
26 const SyncableFileSystemOperation::WriteCallback& callback, | |
27 base::PlatformFileError status) { | |
28 callback.Run(status, 0, true); | |
29 } | |
30 | |
31 } // namespace | |
32 | |
33 class SyncableFileSystemOperation::QueueableTask | |
34 : public SyncableFileOperationRunner::Task { | |
35 public: | |
36 QueueableTask(SyncableFileSystemOperation* operation, | |
37 const base::Closure& task) | |
38 : operation_(operation), task_(task) {} | |
39 | |
40 virtual ~QueueableTask() { | |
41 DCHECK(!operation_); | |
42 } | |
43 | |
44 virtual void Run() OVERRIDE { | |
45 DCHECK(!task_.is_null()); | |
46 task_.Run(); | |
47 operation_ = NULL; | |
48 } | |
49 | |
50 virtual void Cancel() OVERRIDE { | |
51 DCHECK(!task_.is_null()); | |
52 DCHECK(operation_); | |
53 operation_->OnCancelled(); | |
54 task_.Reset(); // This will delete operation_. | |
55 operation_ = NULL; | |
56 } | |
57 | |
58 virtual std::vector<FileSystemURL>& target_paths() const OVERRIDE { | |
59 DCHECK(operation_); | |
60 return operation_->target_paths_; | |
61 } | |
62 | |
63 private: | |
64 SyncableFileSystemOperation* operation_; | |
65 base::Closure task_; | |
66 DISALLOW_COPY_AND_ASSIGN(QueueableTask); | |
67 }; | |
68 | |
69 SyncableFileSystemOperation::~SyncableFileSystemOperation() {} | |
70 | |
71 void SyncableFileSystemOperation::CreateFile( | |
72 const FileSystemURL& url, | |
73 bool exclusive, | |
74 const StatusCallback& callback) { | |
75 DCHECK(CalledOnValidThread()); | |
76 if (!operation_runner_) { | |
77 AbortOperation(callback, base::PLATFORM_FILE_ERROR_NOT_FOUND); | |
78 return; | |
79 } | |
80 DCHECK(operation_runner_.get()); | |
81 target_paths_.push_back(url); | |
82 completion_callback_ = callback; | |
83 scoped_ptr<SyncableFileOperationRunner::Task> task(new QueueableTask( | |
84 this, | |
85 base::Bind(&FileSystemOperation::CreateFile, | |
86 base::Unretained(NewOperation()), | |
87 url, exclusive, | |
88 base::Bind(&self::DidFinish, base::Owned(this))))); | |
89 operation_runner_->PostOperationTask(task.Pass()); | |
90 } | |
91 | |
92 void SyncableFileSystemOperation::CreateDirectory( | |
93 const FileSystemURL& url, | |
94 bool exclusive, | |
95 bool recursive, | |
96 const StatusCallback& callback) { | |
97 DCHECK(CalledOnValidThread()); | |
98 if (!operation_runner_) { | |
99 AbortOperation(callback, base::PLATFORM_FILE_ERROR_NOT_FOUND); | |
100 return; | |
101 } | |
102 if (!is_directory_operation_enabled_) { | |
103 AbortOperation(callback, base::PLATFORM_FILE_ERROR_INVALID_OPERATION); | |
104 return; | |
105 } | |
106 DCHECK(operation_runner_.get()); | |
107 target_paths_.push_back(url); | |
108 completion_callback_ = callback; | |
109 scoped_ptr<SyncableFileOperationRunner::Task> task(new QueueableTask( | |
110 this, | |
111 base::Bind(&FileSystemOperation::CreateDirectory, | |
112 base::Unretained(NewOperation()), | |
113 url, exclusive, recursive, | |
114 base::Bind(&self::DidFinish, base::Owned(this))))); | |
115 operation_runner_->PostOperationTask(task.Pass()); | |
116 } | |
117 | |
118 void SyncableFileSystemOperation::Copy( | |
119 const FileSystemURL& src_url, | |
120 const FileSystemURL& dest_url, | |
121 const StatusCallback& callback) { | |
122 DCHECK(CalledOnValidThread()); | |
123 if (!operation_runner_) { | |
124 AbortOperation(callback, base::PLATFORM_FILE_ERROR_NOT_FOUND); | |
125 return; | |
126 } | |
127 DCHECK(operation_runner_.get()); | |
128 target_paths_.push_back(dest_url); | |
129 completion_callback_ = callback; | |
130 scoped_ptr<SyncableFileOperationRunner::Task> task(new QueueableTask( | |
131 this, | |
132 base::Bind(&FileSystemOperation::Copy, | |
133 base::Unretained(NewOperation()), | |
134 src_url, dest_url, | |
135 base::Bind(&self::DidFinish, base::Owned(this))))); | |
136 operation_runner_->PostOperationTask(task.Pass()); | |
137 } | |
138 | |
139 void SyncableFileSystemOperation::Move( | |
140 const FileSystemURL& src_url, | |
141 const FileSystemURL& dest_url, | |
142 const StatusCallback& callback) { | |
143 DCHECK(CalledOnValidThread()); | |
144 if (!operation_runner_) { | |
145 AbortOperation(callback, base::PLATFORM_FILE_ERROR_NOT_FOUND); | |
146 return; | |
147 } | |
148 DCHECK(operation_runner_.get()); | |
149 target_paths_.push_back(src_url); | |
150 target_paths_.push_back(dest_url); | |
151 completion_callback_ = callback; | |
152 scoped_ptr<SyncableFileOperationRunner::Task> task(new QueueableTask( | |
153 this, | |
154 base::Bind(&FileSystemOperation::Move, | |
155 base::Unretained(NewOperation()), | |
156 src_url, dest_url, | |
157 base::Bind(&self::DidFinish, base::Owned(this))))); | |
158 operation_runner_->PostOperationTask(task.Pass()); | |
159 } | |
160 | |
161 void SyncableFileSystemOperation::DirectoryExists( | |
162 const FileSystemURL& url, | |
163 const StatusCallback& callback) { | |
164 DCHECK(CalledOnValidThread()); | |
165 if (!operation_runner_) { | |
166 AbortOperation(callback, base::PLATFORM_FILE_ERROR_NOT_FOUND); | |
167 return; | |
168 } | |
169 NewOperation()->DirectoryExists(url, callback); | |
170 delete this; | |
171 } | |
172 | |
173 void SyncableFileSystemOperation::FileExists( | |
174 const FileSystemURL& url, | |
175 const StatusCallback& callback) { | |
176 DCHECK(CalledOnValidThread()); | |
177 if (!operation_runner_) { | |
178 AbortOperation(callback, base::PLATFORM_FILE_ERROR_NOT_FOUND); | |
179 return; | |
180 } | |
181 NewOperation()->FileExists(url, callback); | |
182 delete this; | |
183 } | |
184 | |
185 void SyncableFileSystemOperation::GetMetadata( | |
186 const FileSystemURL& url, | |
187 const GetMetadataCallback& callback) { | |
188 DCHECK(CalledOnValidThread()); | |
189 if (!operation_runner_) { | |
190 callback.Run(base::PLATFORM_FILE_ERROR_NOT_FOUND, | |
191 base::PlatformFileInfo(), base::FilePath()); | |
192 delete this; | |
193 return; | |
194 } | |
195 NewOperation()->GetMetadata(url, callback); | |
196 delete this; | |
197 } | |
198 | |
199 void SyncableFileSystemOperation::ReadDirectory( | |
200 const FileSystemURL& url, | |
201 const ReadDirectoryCallback& callback) { | |
202 DCHECK(CalledOnValidThread()); | |
203 if (!operation_runner_) { | |
204 callback.Run(base::PLATFORM_FILE_ERROR_NOT_FOUND, FileEntryList(), false); | |
205 delete this; | |
206 return; | |
207 } | |
208 // This is a read operation and there'd be no hard to let it go even if | |
209 // directory operation is disabled. (And we should allow this if it's made | |
210 // on the root directory) | |
211 NewOperation()->ReadDirectory(url, callback); | |
212 delete this; | |
213 } | |
214 | |
215 void SyncableFileSystemOperation::Remove( | |
216 const FileSystemURL& url, bool recursive, | |
217 const StatusCallback& callback) { | |
218 DCHECK(CalledOnValidThread()); | |
219 if (!operation_runner_) { | |
220 AbortOperation(callback, base::PLATFORM_FILE_ERROR_NOT_FOUND); | |
221 return; | |
222 } | |
223 DCHECK(operation_runner_.get()); | |
224 target_paths_.push_back(url); | |
225 completion_callback_ = callback; | |
226 scoped_ptr<SyncableFileOperationRunner::Task> task(new QueueableTask( | |
227 this, | |
228 base::Bind(&FileSystemOperation::Remove, | |
229 base::Unretained(NewOperation()), | |
230 url, recursive, | |
231 base::Bind(&self::DidFinish, base::Owned(this))))); | |
232 operation_runner_->PostOperationTask(task.Pass()); | |
233 } | |
234 | |
235 void SyncableFileSystemOperation::Write( | |
236 const net::URLRequestContext* url_request_context, | |
237 const FileSystemURL& url, | |
238 const GURL& blob_url, | |
239 int64 offset, | |
240 const WriteCallback& callback) { | |
241 DCHECK(CalledOnValidThread()); | |
242 if (!operation_runner_) { | |
243 callback.Run(base::PLATFORM_FILE_ERROR_NOT_FOUND, 0, true); | |
244 delete this; | |
245 return; | |
246 } | |
247 DCHECK(operation_runner_.get()); | |
248 target_paths_.push_back(url); | |
249 completion_callback_ = base::Bind(&WriteCallbackAdapter, callback); | |
250 scoped_ptr<SyncableFileOperationRunner::Task> task(new QueueableTask( | |
251 this, | |
252 NewOperation()->GetWriteClosure( | |
253 url_request_context, url, blob_url, offset, | |
254 base::Bind(&self::DidWrite, base::Owned(this), callback)))); | |
255 operation_runner_->PostOperationTask(task.Pass()); | |
256 } | |
257 | |
258 void SyncableFileSystemOperation::Truncate( | |
259 const FileSystemURL& url, int64 length, | |
260 const StatusCallback& callback) { | |
261 DCHECK(CalledOnValidThread()); | |
262 if (!operation_runner_) { | |
263 AbortOperation(callback, base::PLATFORM_FILE_ERROR_NOT_FOUND); | |
264 return; | |
265 } | |
266 DCHECK(operation_runner_.get()); | |
267 target_paths_.push_back(url); | |
268 completion_callback_ = callback; | |
269 scoped_ptr<SyncableFileOperationRunner::Task> task(new QueueableTask( | |
270 this, | |
271 base::Bind(&FileSystemOperation::Truncate, | |
272 base::Unretained(NewOperation()), | |
273 url, length, | |
274 base::Bind(&self::DidFinish, base::Owned(this))))); | |
275 operation_runner_->PostOperationTask(task.Pass()); | |
276 } | |
277 | |
278 void SyncableFileSystemOperation::TouchFile( | |
279 const FileSystemURL& url, | |
280 const base::Time& last_access_time, | |
281 const base::Time& last_modified_time, | |
282 const StatusCallback& callback) { | |
283 DCHECK(CalledOnValidThread()); | |
284 if (!operation_runner_) { | |
285 AbortOperation(callback, base::PLATFORM_FILE_ERROR_NOT_FOUND); | |
286 return; | |
287 } | |
288 NewOperation()->TouchFile(url, last_access_time, | |
289 last_modified_time, callback); | |
290 delete this; | |
291 } | |
292 | |
293 void SyncableFileSystemOperation::OpenFile( | |
294 const FileSystemURL& url, | |
295 int file_flags, | |
296 base::ProcessHandle peer_handle, | |
297 const OpenFileCallback& callback) { | |
298 NOTREACHED(); | |
299 delete this; | |
300 } | |
301 | |
302 void SyncableFileSystemOperation::Cancel( | |
303 const StatusCallback& cancel_callback) { | |
304 DCHECK(CalledOnValidThread()); | |
305 DCHECK(inflight_operation_); | |
306 completion_callback_ = cancel_callback; | |
307 NewOperation()->Cancel(base::Bind(&self::DidFinish, base::Owned(this))); | |
308 } | |
309 | |
310 void SyncableFileSystemOperation::CreateSnapshotFile( | |
311 const FileSystemURL& path, | |
312 const SnapshotFileCallback& callback) { | |
313 DCHECK(CalledOnValidThread()); | |
314 if (!operation_runner_) { | |
315 callback.Run(base::PLATFORM_FILE_ERROR_NOT_FOUND, | |
316 base::PlatformFileInfo(), base::FilePath(), NULL); | |
317 delete this; | |
318 return; | |
319 } | |
320 NewOperation()->CreateSnapshotFile(path, callback); | |
321 delete this; | |
322 } | |
323 | |
324 void SyncableFileSystemOperation::CopyInForeignFile( | |
325 const base::FilePath& src_local_disk_path, | |
326 const FileSystemURL& dest_url, | |
327 const StatusCallback& callback) { | |
328 DCHECK(CalledOnValidThread()); | |
329 if (!operation_runner_) { | |
330 AbortOperation(callback, base::PLATFORM_FILE_ERROR_NOT_FOUND); | |
331 return; | |
332 } | |
333 DCHECK(operation_runner_.get()); | |
334 target_paths_.push_back(dest_url); | |
335 completion_callback_ = callback; | |
336 scoped_ptr<SyncableFileOperationRunner::Task> task(new QueueableTask( | |
337 this, | |
338 base::Bind(&LocalFileSystemOperation::CopyInForeignFile, | |
339 base::Unretained(NewOperation()), | |
340 src_local_disk_path, dest_url, | |
341 base::Bind(&self::DidFinish, base::Owned(this))))); | |
342 operation_runner_->PostOperationTask(task.Pass()); | |
343 } | |
344 | |
345 SyncableFileSystemOperation::SyncableFileSystemOperation( | |
346 fileapi::FileSystemContext* file_system_context, | |
347 scoped_ptr<FileSystemOperationContext> operation_context) | |
348 : LocalFileSystemOperation(file_system_context, | |
349 operation_context.Pass()), | |
350 inflight_operation_(NULL) { | |
351 DCHECK(file_system_context); | |
352 if (!file_system_context->sync_context()) { | |
353 // Syncable FileSystem is opened in a file system context which doesn't | |
354 // support (or is not initialized for) the API. | |
355 // Returning here to leave operation_runner_ as NULL. | |
356 return; | |
357 } | |
358 operation_runner_ = file_system_context->sync_context()->operation_runner(); | |
359 is_directory_operation_enabled_ = IsSyncFSDirectoryOperationEnabled(); | |
360 } | |
361 | |
362 LocalFileSystemOperation* SyncableFileSystemOperation::NewOperation() { | |
363 DCHECK(operation_context_); | |
364 inflight_operation_ = new LocalFileSystemOperation( | |
365 file_system_context(), | |
366 operation_context_.Pass()); | |
367 DCHECK(inflight_operation_); | |
368 return inflight_operation_; | |
369 } | |
370 | |
371 void SyncableFileSystemOperation::DidFinish(base::PlatformFileError status) { | |
372 DCHECK(CalledOnValidThread()); | |
373 DCHECK(!completion_callback_.is_null()); | |
374 if (operation_runner_) | |
375 operation_runner_->OnOperationCompleted(target_paths_); | |
376 completion_callback_.Run(status); | |
377 } | |
378 | |
379 void SyncableFileSystemOperation::DidWrite( | |
380 const WriteCallback& callback, | |
381 base::PlatformFileError result, | |
382 int64 bytes, | |
383 bool complete) { | |
384 DCHECK(CalledOnValidThread()); | |
385 if (!complete) { | |
386 callback.Run(result, bytes, complete); | |
387 return; | |
388 } | |
389 if (operation_runner_) | |
390 operation_runner_->OnOperationCompleted(target_paths_); | |
391 callback.Run(result, bytes, complete); | |
392 } | |
393 | |
394 void SyncableFileSystemOperation::OnCancelled() { | |
395 DCHECK(!completion_callback_.is_null()); | |
396 completion_callback_.Run(base::PLATFORM_FILE_ERROR_ABORT); | |
397 delete inflight_operation_; | |
398 } | |
399 | |
400 void SyncableFileSystemOperation::AbortOperation( | |
401 const StatusCallback& callback, | |
402 base::PlatformFileError error) { | |
403 callback.Run(error); | |
404 delete inflight_operation_; | |
405 delete this; | |
406 } | |
407 | |
408 } // namespace sync_file_system | |
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