gecko-dev/widget/cocoa/MediaHardwareKeysEventSourceMacMediaCenter.h
alwu 252ad6b503 Bug 1582508 - part5 : replace 'PlaybackState' with 'MediaSessionPlaybackState'. r=chunmin
`PlaybackState` and `MediaSessionPlaybackState` are actually quite similar, and we don't want to have to many states to confuse reader and do unnecessary tranform between two states. Therefore, replaceing  `PlaybackState` with `MediaSessionPlaybackState`.

Differential Revision: https://phabricator.services.mozilla.com/D66342

--HG--
extra : moz-landing-system : lando
2020-03-17 00:03:55 +00:00

57 lines
1.8 KiB
Objective-C

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef WIDGET_COCOA_MEDIAHARDWAREKEYSEVENTSOURCEMACMEDIACENTER_H_
#define WIDGET_COCOA_MEDIAHARDWAREKEYSEVENTSOURCEMACMEDIACENTER_H_
#include "mozilla/dom/MediaControlKeysEvent.h"
#ifdef __OBJC__
@class MPRemoteCommandEvent;
#else
typedef struct objc_object MPRemoteCommandEvent;
#endif
enum MPRemoteCommandHandlerStatus : long;
namespace mozilla {
namespace widget {
typedef MPRemoteCommandHandlerStatus (^MediaCenterEventHandler)(MPRemoteCommandEvent* event);
class MediaHardwareKeysEventSourceMacMediaCenter final
: public mozilla::dom::MediaControlKeysEventSource {
public:
NS_INLINE_DECL_REFCOUNTING(MediaHardwareKeysEventSourceMacMediaCenter, override)
MediaHardwareKeysEventSourceMacMediaCenter();
MediaCenterEventHandler CreatePlayPauseHandler();
MediaCenterEventHandler CreateNextTrackHandler();
MediaCenterEventHandler CreatePreviousTrackHandler();
MediaCenterEventHandler CreatePlayHandler();
MediaCenterEventHandler CreatePauseHandler();
bool Open() override;
void Close() override;
bool IsOpened() const override;
void SetPlaybackState(dom::MediaSessionPlaybackState aState) override;
private:
~MediaHardwareKeysEventSourceMacMediaCenter();
void BeginListeningForEvents();
void EndListeningForEvents();
void HandleEvent(dom::MediaControlKeysEvent aEvent);
bool mOpened = false;
MediaCenterEventHandler mPlayPauseHandler;
MediaCenterEventHandler mNextTrackHandler;
MediaCenterEventHandler mPreviousTrackHandler;
MediaCenterEventHandler mPauseHandler;
MediaCenterEventHandler mPlayHandler;
};
} // namespace widget
} // namespace mozilla
#endif // WIDGET_COCOA_MEDIAHARDWAREKEYSEVENTSOURCEMACMEDIACENTER_H_