mirror of
https://github.com/mozilla/gecko-dev.git
synced 2025-11-04 02:09:05 +02:00
edea2db94a
The PositionState is already saved as an optional value inside the MediaSession. This makes the PositionState optional in all events emitted as it can be explicitly reset by passing an empty object. Differential Revision: https://phabricator.services.mozilla.com/D198847
73 lines
2.3 KiB
C++
73 lines
2.3 KiB
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 DOM_MEDIA_MEDIACONTROL_MEDIACONTROLKEYMANAGER_H_
|
|
#define DOM_MEDIA_MEDIACONTROL_MEDIACONTROLKEYMANAGER_H_
|
|
|
|
#include "MediaControlKeySource.h"
|
|
#include "MediaEventSource.h"
|
|
#include "nsIObserver.h"
|
|
|
|
namespace mozilla::dom {
|
|
|
|
/**
|
|
* MediaControlKeyManager is a wrapper of MediaControlKeySource, which
|
|
* is used to manage creating and destroying a real media keys event source.
|
|
*
|
|
* It monitors the amount of the media controller in MediaService, and would
|
|
* create the event source when there is any existing controller and destroy it
|
|
* when there is no controller.
|
|
*/
|
|
class MediaControlKeyManager final : public MediaControlKeySource,
|
|
public MediaControlKeyListener {
|
|
public:
|
|
NS_INLINE_DECL_REFCOUNTING(MediaControlKeyManager, override)
|
|
|
|
MediaControlKeyManager();
|
|
|
|
// MediaControlKeySource methods
|
|
bool Open() override;
|
|
void Close() override;
|
|
bool IsOpened() const override;
|
|
|
|
void SetPlaybackState(MediaSessionPlaybackState aState) override;
|
|
MediaSessionPlaybackState GetPlaybackState() const override;
|
|
|
|
// MediaControlKeyListener methods
|
|
void OnActionPerformed(const MediaControlAction& aAction) override;
|
|
|
|
void SetMediaMetadata(const MediaMetadataBase& aMetadata) override;
|
|
void SetSupportedMediaKeys(const MediaKeysArray& aSupportedKeys) override;
|
|
void SetEnableFullScreen(bool aIsEnabled) override;
|
|
void SetEnablePictureInPictureMode(bool aIsEnabled) override;
|
|
void SetPositionState(const Maybe<PositionState>& aState) override;
|
|
|
|
private:
|
|
~MediaControlKeyManager();
|
|
void Shutdown();
|
|
|
|
class Observer final : public nsIObserver {
|
|
public:
|
|
NS_DECL_ISUPPORTS
|
|
NS_DECL_NSIOBSERVER
|
|
explicit Observer(MediaControlKeyManager* aManager);
|
|
|
|
protected:
|
|
virtual ~Observer() = default;
|
|
|
|
MediaControlKeyManager* MOZ_OWNING_REF mManager;
|
|
};
|
|
RefPtr<Observer> mObserver;
|
|
void OnPreferenceChange();
|
|
|
|
bool StartMonitoringControlKeys();
|
|
void StopMonitoringControlKeys();
|
|
RefPtr<MediaControlKeySource> mEventSource;
|
|
MediaMetadataBase mMetadata;
|
|
nsTArray<MediaControlKey> mSupportedKeys;
|
|
};
|
|
|
|
} // namespace mozilla::dom
|
|
|
|
#endif
|