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_EVDEV_EVENT_CONVERTER_EVDEV_H_ 6 #define UI_EVENTS_OZONE_EVDEV_EVENT_CONVERTER_EVDEV_H_ 7 8 #include "base/callback.h" 9 #include "base/files/file_path.h" 10 #include "base/message_loop/message_loop.h" 11 #include "ui/events/ozone/evdev/events_ozone_evdev_export.h" 12 13 namespace ui { 14 15 class Event; 16 17 typedef base::Callback<void(Event*)> EventDispatchCallback; 18 19 class EVENTS_OZONE_EVDEV_EXPORT EventConverterEvdev 20 : public base::MessagePumpLibevent::Watcher { 21 public: 22 EventConverterEvdev(int fd, const base::FilePath& path); 23 virtual ~EventConverterEvdev(); 24 25 // Start reading events. 26 void Start(); 27 28 // Stop reading events. 29 void Stop(); 30 31 protected: 32 // base::MessagePumpLibevent::Watcher: 33 virtual void OnFileCanWriteWithoutBlocking(int fd) OVERRIDE; 34 35 // File descriptor to read. 36 int fd_; 37 38 // Path to input device. 39 base::FilePath path_; 40 41 // Controller for watching the input fd. 42 base::MessagePumpLibevent::FileDescriptorWatcher controller_; 43 44 private: 45 DISALLOW_COPY_AND_ASSIGN(EventConverterEvdev); 46 }; 47 48 } // namespace ui 49 50 #endif // UI_EVENTS_OZONE_EVDEV_EVENT_CONVERTER_EVDEV_H_ 51
