| // Copyright 2017 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_GAMEPAD_GAMEPAD_PROVIDER_OZONE_H_ |
| #define UI_EVENTS_OZONE_GAMEPAD_GAMEPAD_PROVIDER_OZONE_H_ |
| |
| #include <set> |
| #include <vector> |
| #include "base/component_export.h" |
| #include "base/macros.h" |
| #include "base/observer_list.h" |
| #include "base/time/time.h" |
| #include "ui/events/devices/gamepad_device.h" |
| #include "ui/events/ozone/gamepad/gamepad_observer.h" |
| |
| namespace base { |
| template <typename T> |
| struct DefaultSingletonTraits; |
| } |
| |
| namespace ui { |
| |
| class COMPONENT_EXPORT(EVENTS_OZONE) GamepadProviderOzone { |
| public: |
| // Get the GamepadProviderOzone instance. |
| static GamepadProviderOzone* GetInstance(); |
| |
| // Dispatch GamepadDevicesUpdate event when gamepad device is connected or |
| // disconnected. This function must be called on UI thread. |
| void DispatchGamepadDevicesUpdated( |
| std::vector<GamepadDevice> gamepad_devices); |
| |
| // Dispatch button event when gamepad event is seen. |
| // Code is the index of gamepad button or gamepad axis defined in W3C standard |
| // gamepad. |
| // This function must be called on UI thread. |
| void DispatchGamepadEvent(const GamepadEvent& event); |
| |
| // Add observer to gamepad provider. This function must be called on UI |
| // thread. |
| void AddGamepadObserver(GamepadObserver* observer); |
| |
| // Remove observer from gamepad provider. This function must be called on UI |
| // thread. |
| void RemoveGamepadObserver(GamepadObserver* observer); |
| |
| // Get the list of currently connected gamepad devices. This function must be |
| // called on UI thread. |
| std::vector<GamepadDevice> GetGamepadDevices(); |
| |
| private: |
| GamepadProviderOzone(); |
| |
| ~GamepadProviderOzone(); |
| |
| // Make SingletonTraits friend to enable singleton. |
| friend struct base::DefaultSingletonTraits<GamepadProviderOzone>; |
| |
| // Registered observers will receive gamepad device update event and gamepad |
| // event. |
| base::ObserverList<GamepadObserver>::Unchecked observers_; |
| |
| // List of current connected gamepad events. |
| std::vector<GamepadDevice> gamepad_devices_; |
| |
| DISALLOW_COPY_AND_ASSIGN(GamepadProviderOzone); |
| }; |
| |
| } // namespace ui |
| |
| #endif // UI_EVENTS_OZONE_GAMEPAD_GAMEPAD_PROVIDER_OZONE_H_ |