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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 "chrome/browser/chromeos/drive/file_write_helper.h" | |
| 6 | |
| 7 #include "base/bind.h" | |
| 8 #include "base/callback.h" | |
| 9 #include "base/threading/sequenced_worker_pool.h" | |
| 10 #include "chrome/browser/chromeos/drive/file_system_interface.h" | |
| 11 #include "content/public/browser/browser_thread.h" | |
| 12 | |
| 13 using content::BrowserThread; | |
| 14 | |
| 15 namespace drive { | |
| 16 | |
| 17 FileWriteHelper::FileWriteHelper(FileSystemInterface* file_system) | |
| 18 : file_system_(file_system), | |
| 19 weak_ptr_factory_(this) { | |
| 20 // Must be created in DriveIntegrationService. | |
| 21 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
| 22 } | |
| 23 | |
| 24 FileWriteHelper::~FileWriteHelper() { | |
| 25 // Must be destroyed in DriveIntegrationService. | |
| 26 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
| 27 } | |
| 28 | |
| 29 void FileWriteHelper::PrepareWritableFileAndRun( | |
| 30 const base::FilePath& file_path, | |
| 31 const OpenFileCallback& callback) { | |
| 32 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
| 33 DCHECK(!callback.is_null()); | |
| 34 | |
| 35 file_system_->OpenFile( | |
| 36 file_path, OPEN_OR_CREATE_FILE, | |
| 37 base::Bind(&FileWriteHelper::PrepareWritableFileAndRunAfterOpenFile, | |
| 38 weak_ptr_factory_.GetWeakPtr(), file_path, callback)); | |
| 39 } | |
| 40 | |
| 41 void FileWriteHelper::PrepareWritableFileAndRunAfterOpenFile( | |
| 42 const base::FilePath& file_path, | |
| 43 const OpenFileCallback& callback, | |
| 44 FileError error, | |
| 45 const base::FilePath& local_cache_path, | |
| 46 const base::Closure& close_callback) { | |
| 47 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
| 48 DCHECK(!callback.is_null()); | |
| 49 | |
| 50 if (error != FILE_ERROR_OK) { | |
| 51 content::BrowserThread::GetBlockingPool()->PostTask( | |
| 52 FROM_HERE, | |
| 53 base::Bind(callback, error, base::FilePath())); | |
| 54 return; | |
| 55 } | |
| 56 | |
| 57 content::BrowserThread::GetBlockingPool()->PostTaskAndReply( | |
| 58 FROM_HERE, | |
| 59 base::Bind(callback, FILE_ERROR_OK, local_cache_path), | |
| 60 close_callback); | |
| 61 } | |
| 62 | |
| 63 } // namespace drive | |
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Chromium Code Reviews
Issue 23050014:
Convert drive::FileWriteHelper to a single function for simplification. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src