| // Copyright 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "chrome/browser/chromeos/drive/write_on_cache_file.h" |
| |
| #include "base/bind.h" |
| #include "base/callback.h" |
| #include "base/threading/sequenced_worker_pool.h" |
| #include "chrome/browser/chromeos/drive/file_system_interface.h" |
| #include "chrome/browser/chromeos/drive/file_system_util.h" |
| #include "content/public/browser/browser_thread.h" |
| |
| using content::BrowserThread; |
| |
| namespace drive { |
| |
| namespace { |
| |
| // Runs |close_callback| and |reply|. |
| void RunCloseCallbackAndReplyTask(const base::Closure& close_callback, |
| const FileOperationCallback& reply, |
| FileError error) { |
| if (!close_callback.is_null()) |
| close_callback.Run(); |
| DCHECK(!reply.is_null()); |
| reply.Run(error); |
| } |
| |
| // Runs |file_io_task_callback| in blocking pool and runs |close_callback| |
| // in the UI thread after that. |
| void WriteOnCacheFileAfterOpenFile( |
| const base::FilePath& drive_path, |
| const WriteOnCacheFileCallback& file_io_task_callback, |
| const FileOperationCallback& reply, |
| FileError error, |
| const base::FilePath& local_cache_path, |
| const base::Closure& close_callback) { |
| DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); |
| |
| BrowserThread::GetBlockingPool()->PostTaskAndReply( |
| FROM_HERE, |
| base::Bind(file_io_task_callback, error, local_cache_path), |
| base::Bind(&RunCloseCallbackAndReplyTask, close_callback, reply, error)); |
| } |
| |
| } // namespace |
| |
| void WriteOnCacheFile(FileSystemInterface* file_system, |
| const base::FilePath& path, |
| const std::string& mime_type, |
| const WriteOnCacheFileCallback& callback) { |
| WriteOnCacheFileAndReply(file_system, path, mime_type, callback, |
| base::Bind(&util::EmptyFileOperationCallback)); |
| } |
| |
| void WriteOnCacheFileAndReply(FileSystemInterface* file_system, |
| const base::FilePath& path, |
| const std::string& mime_type, |
| const WriteOnCacheFileCallback& callback, |
| const FileOperationCallback& reply) { |
| DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); |
| DCHECK(file_system); |
| DCHECK(!callback.is_null()); |
| DCHECK(!reply.is_null()); |
| |
| file_system->OpenFile( |
| path, |
| OPEN_OR_CREATE_FILE, |
| mime_type, |
| base::Bind(&WriteOnCacheFileAfterOpenFile, path, callback, reply)); |
| } |
| |
| } // namespace drive |