MediaHardwareKeysEventSourceMac.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_MEDIAHARDWAREKEYSEVENTSOURCEMAC_H_

#define WIDGET_COCOA_MEDIAHARDWAREKEYSEVENTSOURCEMAC_H_

#import <ApplicationServices/ApplicationServices.h>

#import <CoreFoundation/CoreFoundation.h>

#include "mozilla/dom/MediaControlKeySource.h"

#include "nsISupportsImpl.h"

namespace mozilla {

namespace widget {

class MediaHardwareKeysEventSourceMac final

    : public mozilla::dom::MediaControlKeySource {

 public:

  NS_INLINE_DECL_REFCOUNTING(MediaHardwareKeysEventSourceMac, override)

  MediaHardwareKeysEventSourceMac() = default;

  static CGEventRef EventTapCallback(CGEventTapProxy proxy, CGEventType type,

                                     CGEventRef event, void* refcon);

  bool Open() override;

  void Close() override;

  bool IsOpened() const override;

  // Currently we don't support showing supported keys on the touch bar.

  void SetSupportedMediaKeys(const MediaKeysArray& aSupportedKeys) override {}

 private:

  ~MediaHardwareKeysEventSourceMac() = default;

  bool StartEventTap();

  void StopEventTap();

  // They are used to intercept mac hardware media keys.

  CFMachPortRef mEventTap = nullptr;

  CFRunLoopSourceRef mEventTapSource = nullptr;

};

}  // namespace widget

}  // namespace mozilla

#endif