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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "chrome/browser/chromeos/file_manager/file_watcher.h" | 5 #include "chrome/browser/chromeos/file_manager/file_watcher.h" |
| 6 | 6 |
| 7 #include "base/files/file_util.h" | 7 #include "base/files/file_util.h" |
| 8 #include "base/files/scoped_temp_dir.h" | 8 #include "base/files/scoped_temp_dir.h" |
| 9 #include "base/message_loop/message_loop.h" | 9 #include "base/message_loop/message_loop.h" |
| 10 #include "base/run_loop.h" | 10 #include "base/run_loop.h" |
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| 118 // See the comment at the end of this function for why scoped_ptr is used. | 118 // See the comment at the end of this function for why scoped_ptr is used. |
| 119 std::unique_ptr<FileWatcher> file_watcher(new FileWatcher(kVirtualPath)); | 119 std::unique_ptr<FileWatcher> file_watcher(new FileWatcher(kVirtualPath)); |
| 120 file_watcher->AddExtension(kExtensionId); | 120 file_watcher->AddExtension(kExtensionId); |
| 121 | 121 |
| 122 // Start watching changes in the temporary directory. | 122 // Start watching changes in the temporary directory. |
| 123 base::FilePath changed_path; | 123 base::FilePath changed_path; |
| 124 bool watcher_created = false; | 124 bool watcher_created = false; |
| 125 bool on_change_error = false; | 125 bool on_change_error = false; |
| 126 base::RunLoop run_loop; | 126 base::RunLoop run_loop; |
| 127 file_watcher->WatchLocalFile( | 127 file_watcher->WatchLocalFile( |
| 128 temp_dir.path(), | 128 temp_dir.GetPath(), |
| 129 CreateQuitCallback( | 129 CreateQuitCallback( |
| 130 &run_loop, | 130 &run_loop, CreateCopyResultCallback(&changed_path, &on_change_error)), |
| 131 CreateCopyResultCallback(&changed_path, &on_change_error)), | |
| 132 CreateCopyResultCallback(&watcher_created)); | 131 CreateCopyResultCallback(&watcher_created)); |
| 133 // Spin the message loop so the base::FilePathWatcher is created. | 132 // Spin the message loop so the base::FilePathWatcher is created. |
| 134 base::RunLoop().RunUntilIdle(); | 133 base::RunLoop().RunUntilIdle(); |
| 135 ASSERT_TRUE(watcher_created); | 134 ASSERT_TRUE(watcher_created); |
| 136 | 135 |
| 137 // Create a temporary file in the temporary directory. The file watcher | 136 // Create a temporary file in the temporary directory. The file watcher |
| 138 // should detect the change in the directory. | 137 // should detect the change in the directory. |
| 139 base::FilePath temp_file_path; | 138 base::FilePath temp_file_path; |
| 140 ASSERT_TRUE(base::CreateTemporaryFileInDir(temp_dir.path(), &temp_file_path)); | 139 ASSERT_TRUE( |
| 140 base::CreateTemporaryFileInDir(temp_dir.GetPath(), &temp_file_path)); |
| 141 // Wait until the directory change is notified. | 141 // Wait until the directory change is notified. |
| 142 run_loop.Run(); | 142 run_loop.Run(); |
| 143 ASSERT_FALSE(on_change_error); | 143 ASSERT_FALSE(on_change_error); |
| 144 ASSERT_EQ(temp_dir.path().value(), changed_path.value()); | 144 ASSERT_EQ(temp_dir.GetPath().value(), changed_path.value()); |
| 145 | 145 |
| 146 // This is ugly, but FileWatcher should be deleted explicitly here, and | 146 // This is ugly, but FileWatcher should be deleted explicitly here, and |
| 147 // spin the message loop so the base::FilePathWatcher is deleted. | 147 // spin the message loop so the base::FilePathWatcher is deleted. |
| 148 // Otherwise, base::FilePathWatcher may detect a change when the temporary | 148 // Otherwise, base::FilePathWatcher may detect a change when the temporary |
| 149 // directory is deleted, which may result in crash. | 149 // directory is deleted, which may result in crash. |
| 150 file_watcher.reset(); | 150 file_watcher.reset(); |
| 151 base::RunLoop().RunUntilIdle(); | 151 base::RunLoop().RunUntilIdle(); |
| 152 } | 152 } |
| 153 | 153 |
| 154 } // namespace | 154 } // namespace |
| 155 } // namespace file_manager. | 155 } // namespace file_manager. |
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