| // 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_EVDEV_EVENT_CONVERTER_EVDEV_IMPL_H_ |
| #define UI_EVENTS_OZONE_EVDEV_EVENT_CONVERTER_EVDEV_IMPL_H_ |
| |
| #include <bitset> |
| |
| #include "base/component_export.h" |
| #include "base/files/file_path.h" |
| #include "base/files/scoped_file.h" |
| #include "base/macros.h" |
| #include "base/message_loop/message_pump_libevent.h" |
| #include "ui/events/devices/input_device.h" |
| #include "ui/events/event.h" |
| #include "ui/events/event_modifiers.h" |
| #include "ui/events/ozone/evdev/cursor_delegate_evdev.h" |
| #include "ui/events/ozone/evdev/event_converter_evdev.h" |
| #include "ui/events/ozone/evdev/event_device_info.h" |
| #include "ui/events/ozone/evdev/keyboard_evdev.h" |
| #include "ui/events/ozone/evdev/mouse_button_map_evdev.h" |
| |
| struct input_event; |
| |
| namespace ui { |
| |
| class DeviceEventDispatcherEvdev; |
| |
| class COMPONENT_EXPORT(EVDEV) EventConverterEvdevImpl |
| : public EventConverterEvdev { |
| public: |
| EventConverterEvdevImpl(base::ScopedFD fd, |
| base::FilePath path, |
| int id, |
| const EventDeviceInfo& info, |
| CursorDelegateEvdev* cursor, |
| DeviceEventDispatcherEvdev* dispatcher); |
| ~EventConverterEvdevImpl() override; |
| |
| // EventConverterEvdev: |
| void OnFileCanReadWithoutBlocking(int fd) override; |
| bool HasKeyboard() const override; |
| bool HasTouchpad() const override; |
| bool HasCapsLockLed() const override; |
| void SetKeyFilter(bool enable_filter, |
| std::vector<DomCode> allowed_keys) override; |
| void OnDisabled() override; |
| |
| void ProcessEvents(const struct input_event* inputs, int count); |
| |
| private: |
| void ConvertKeyEvent(const input_event& input); |
| void ConvertMouseMoveEvent(const input_event& input); |
| void OnKeyChange(unsigned int key, |
| bool down, |
| const base::TimeTicks& timestamp); |
| void ReleaseKeys(); |
| void ReleaseMouseButtons(); |
| void OnLostSync(); |
| void DispatchMouseButton(const input_event& input); |
| void OnButtonChange(int code, bool down, base::TimeTicks timestamp); |
| |
| // Flush events delimited by EV_SYN. This is useful for handling |
| // non-axis-aligned movement properly. |
| void FlushEvents(const input_event& input); |
| |
| // Input device file descriptor. |
| const base::ScopedFD input_device_fd_; |
| |
| // Input modalities for this device. |
| bool has_keyboard_; |
| bool has_touchpad_; |
| |
| // LEDs for this device. |
| bool has_caps_lock_led_; |
| |
| // Save x-axis events of relative devices to be flushed at EV_SYN time. |
| int x_offset_ = 0; |
| |
| // Save y-axis events of relative devices to be flushed at EV_SYN time. |
| int y_offset_ = 0; |
| |
| // Controller for watching the input fd. |
| base::MessagePumpLibevent::FdWatchController controller_; |
| |
| // The evdev codes of the keys which should be blocked. |
| std::bitset<KEY_CNT> blocked_keys_; |
| |
| // Pressed keys bitset. |
| std::bitset<KEY_CNT> key_state_; |
| |
| // Last mouse button state. |
| static const int kMouseButtonCount = BTN_JOYSTICK - BTN_MOUSE; |
| std::bitset<kMouseButtonCount> mouse_button_state_; |
| |
| // Shared cursor state. |
| CursorDelegateEvdev* const cursor_; |
| |
| // Callbacks for dispatching events. |
| DeviceEventDispatcherEvdev* const dispatcher_; |
| |
| DISALLOW_COPY_AND_ASSIGN(EventConverterEvdevImpl); |
| }; |
| |
| } // namespace ui |
| |
| #endif // UI_EVENTS_OZONE_EVDEV_EVENT_CONVERTER_EVDEV_IMPL_H_ |
| |