1 files changed, 60 insertions, 0 deletions
diff --git a/widget/cocoa/MediaHardwareKeysEventSourceMacMediaCenter.h b/widget/cocoa/MediaHardwareKeysEventSourceMacMediaCenter.h
new file mode 100644
index 0000000000..04a3aeba48
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+++ b/widget/cocoa/MediaHardwareKeysEventSourceMacMediaCenter.h
@@ -0,0 +1,60 @@
+/* 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_