| // Copyright 2014 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. |
| |
| #ifndef UI_EVENTS_OZONE_DEVICE_DEVICE_MANAGER_MANUAL_H_ |
| #define UI_EVENTS_OZONE_DEVICE_DEVICE_MANAGER_MANUAL_H_ |
| |
| #include <set> |
| #include <vector> |
| |
| #include "base/files/file_path_watcher.h" |
| #include "base/macros.h" |
| #include "base/observer_list.h" |
| |
| #include "ui/events/ozone/device/device_manager.h" |
| |
| namespace base { |
| class FilePath; |
| class SequencedTaskRunner; |
| struct OnTaskRunnerDeleter; |
| } // namespace base |
| |
| namespace ui { |
| |
| class DeviceManagerManual : public DeviceManager { |
| public: |
| DeviceManagerManual(); |
| ~DeviceManagerManual() override; |
| |
| private: |
| // DeviceManager overrides: |
| void ScanDevices(DeviceEventObserver* observer) override; |
| void AddObserver(DeviceEventObserver* observer) override; |
| void RemoveObserver(DeviceEventObserver* observer) override; |
| |
| void StartWatching(); |
| void InitiateScanDevices(); |
| void OnDevicesScanned(std::vector<base::FilePath>* result); |
| void OnWatcherEvent(const base::FilePath& path, bool error); |
| static void OnWatcherEventOnUiSequence( |
| scoped_refptr<base::TaskRunner> ui_thread_runner, |
| base::WeakPtr<DeviceManagerManual> device_manager, |
| const base::FilePath& path, |
| bool error); |
| |
| std::set<base::FilePath> devices_; |
| base::ObserverList<DeviceEventObserver>::Unchecked observers_; |
| bool is_watching_ = false; |
| |
| const scoped_refptr<base::SequencedTaskRunner> blocking_task_runner_; |
| std::unique_ptr<base::FilePathWatcher, base::OnTaskRunnerDeleter> watcher_; |
| |
| base::WeakPtrFactory<DeviceManagerManual> weak_ptr_factory_{this}; |
| |
| DISALLOW_COPY_AND_ASSIGN(DeviceManagerManual); |
| }; |
| |
| } // namespace ui |
| |
| #endif // UI_EVENTS_OZONE_DEVICE_DEVICE_MANAGER_MANUAL_H_ |