| // Copyright 2019 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_BASE_ACCELERATORS_REMOTE_COMMAND_MEDIA_KEYS_LISTENER_MAC_H_ |
| #define UI_BASE_ACCELERATORS_REMOTE_COMMAND_MEDIA_KEYS_LISTENER_MAC_H_ |
| |
| #include "base/containers/flat_set.h" |
| #include "ui/base/accelerators/media_keys_listener.h" |
| #include "ui/base/now_playing/remote_command_center_delegate_observer.h" |
| #include "ui/base/ui_base_export.h" |
| #include "ui/events/keycodes/keyboard_codes.h" |
| |
| namespace now_playing { |
| class RemoteCommandCenterDelegate; |
| } // namespace now_playing |
| |
| namespace ui { |
| |
| // Implementation of MediaKeysListener that uses MPRemoteCommandCenter to |
| // globally listen for media key presses. It only allows for a single instance |
| // to be created in order to prevent conflicts from multiple listeners. |
| class UI_BASE_EXPORT API_AVAILABLE(macos(10.12.2)) |
| RemoteCommandMediaKeysListenerMac |
| : public MediaKeysListener, |
| public now_playing::RemoteCommandCenterDelegateObserver { |
| public: |
| explicit RemoteCommandMediaKeysListenerMac( |
| MediaKeysListener::Delegate* delegate); |
| ~RemoteCommandMediaKeysListenerMac() override; |
| |
| static bool has_instance() { return has_instance_; } |
| |
| // Connects with the RemoteCommandCenterDelegate. |
| void Initialize(); |
| |
| // MediaKeysListener implementation. |
| bool StartWatchingMediaKey(KeyboardCode key_code) override; |
| void StopWatchingMediaKey(KeyboardCode key_code) override; |
| void SetIsMediaPlaying(bool is_playing) override; |
| |
| // now_playing::RemoteCommandCenterDelegateObserver implementation. |
| void OnNext() override; |
| void OnPrevious() override; |
| void OnPause() override; |
| void OnPlayPause() override; |
| void OnStop() override; |
| void OnPlay() override; |
| |
| void SetRemoteCommandCenterDelegateForTesting( |
| now_playing::RemoteCommandCenterDelegate* delegate) { |
| remote_command_center_delegate_ = delegate; |
| } |
| |
| private: |
| static bool has_instance_; |
| |
| // Sends |key_code| to the delegate if it's being listened to. |
| void MaybeSend(KeyboardCode key_code); |
| |
| MediaKeysListener::Delegate* delegate_; |
| base::flat_set<KeyboardCode> key_codes_; |
| now_playing::RemoteCommandCenterDelegate* remote_command_center_delegate_ = |
| nullptr; |
| bool is_media_playing_ = false; |
| |
| DISALLOW_COPY_AND_ASSIGN(RemoteCommandMediaKeysListenerMac); |
| }; |
| |
| } // namespace ui |
| |
| #endif // UI_BASE_ACCELERATORS_REMOTE_COMMAND_MEDIA_KEYS_LISTENER_MAC_H_ |