gecko-dev/widget/cocoa/MediaHardwareKeysEventSourc...

63 строки
2.1 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/MediaControlKeySource.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::MediaControlKeySource {
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;
void SetMediaMetadata(const dom::MediaMetadataBase& aMetadata) override;
// Currently we don't support showing supported keys on the touch bar.
void SetSupportedMediaKeys(const MediaKeysArray& aSupportedKeys) override {}
private:
~MediaHardwareKeysEventSourceMacMediaCenter();
void BeginListeningForEvents();
void EndListeningForEvents();
void HandleEvent(dom::MediaControlKey aKey);
bool mOpened = false;
MediaCenterEventHandler mPlayPauseHandler;
MediaCenterEventHandler mNextTrackHandler;
MediaCenterEventHandler mPreviousTrackHandler;
MediaCenterEventHandler mPauseHandler;
MediaCenterEventHandler mPlayHandler;
};
} // namespace widget
} // namespace mozilla
#endif // WIDGET_COCOA_MEDIAHARDWAREKEYSEVENTSOURCEMACMEDIACENTER_H_