MediaHardwareKeysEventSourceMacMediaCenter.h

Enable keyboard shortcuts

/* 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_