1 // Copyright 2014 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 #ifndef UI_EVENTS_OZONE_DEVICE_UDEV_DEVICE_MANAGER_UDEV_H_ 6 #define UI_EVENTS_OZONE_DEVICE_UDEV_DEVICE_MANAGER_UDEV_H_ 7 8 #include "base/message_loop/message_pump_libevent.h" 9 #include "base/observer_list.h" 10 #include "device/udev_linux/udev.h" 11 #include "ui/events/ozone/device/device_manager.h" 12 13 namespace ui { 14 15 class DeviceEvent; 16 class DeviceEventObserver; 17 18 class DeviceManagerUdev 19 : public DeviceManager, base::MessagePumpLibevent::Watcher { 20 public: 21 DeviceManagerUdev(); 22 virtual ~DeviceManagerUdev(); 23 24 private: 25 scoped_ptr<DeviceEvent> ProcessMessage(udev_device* device); 26 27 // Creates a device-monitor to look for device add/remove/change events. 28 void CreateMonitor(); 29 30 // DeviceManager overrides: 31 virtual void ScanDevices(DeviceEventObserver* observer) OVERRIDE; 32 virtual void AddObserver(DeviceEventObserver* observer) OVERRIDE; 33 virtual void RemoveObserver(DeviceEventObserver* observer) OVERRIDE; 34 35 // base::MessagePumpLibevent::Watcher overrides: 36 virtual void OnFileCanReadWithoutBlocking(int fd) OVERRIDE; 37 virtual void OnFileCanWriteWithoutBlocking(int fd) OVERRIDE; 38 39 device::ScopedUdevPtr udev_; 40 device::ScopedUdevMonitorPtr monitor_; 41 42 base::MessagePumpLibevent::FileDescriptorWatcher controller_; 43 44 ObserverList<DeviceEventObserver> observers_; 45 46 DISALLOW_COPY_AND_ASSIGN(DeviceManagerUdev); 47 }; 48 49 } // namespace ui 50 51 #endif // UI_EVENTS_OZONE_DEVICE_UDEV_DEVICE_MANAGER_UDEV_H_ 52
