MediaSessionHelperIOS.h [plain text]
#pragma once
#if PLATFORM(IOS_FAMILY)
#include <wtf/WeakHashSet.h>
namespace WebCore {
class MediaPlaybackTarget;
class MediaSessionHelperClient : public CanMakeWeakPtr<MediaSessionHelperClient> {
public:
virtual ~MediaSessionHelperClient() = default;
enum class SuspendedUnderLock : bool { No, Yes };
virtual void applicationWillEnterForeground(SuspendedUnderLock) = 0;
virtual void applicationDidEnterBackground(SuspendedUnderLock) = 0;
virtual void applicationWillBecomeInactive() = 0;
virtual void applicationDidBecomeActive() = 0;
virtual void mediaServerConnectionDied() { };
enum class HasAvailableTargets : bool { No, Yes };
virtual void externalOutputDeviceAvailableDidChange(HasAvailableTargets) = 0;
enum class PlayingToAutomotiveHeadUnit : bool { No, Yes };
virtual void isPlayingToAutomotiveHeadUnitDidChange(PlayingToAutomotiveHeadUnit) = 0;
enum class ShouldPause : bool { No, Yes };
virtual void activeAudioRouteDidChange(ShouldPause) = 0;
enum class SupportsAirPlayVideo : bool { No, Yes };
virtual void activeVideoRouteDidChange(SupportsAirPlayVideo, Ref<MediaPlaybackTarget>&&) = 0;
};
class WEBCORE_EXPORT MediaSessionHelper {
WTF_MAKE_FAST_ALLOCATED;
public:
static MediaSessionHelper& sharedHelper();
static void setSharedHelper(UniqueRef<MediaSessionHelper>&&);
static void resetSharedHelper();
MediaSessionHelper() = default;
virtual ~MediaSessionHelper() = default;
void addClient(MediaSessionHelperClient&);
void removeClient(MediaSessionHelperClient&);
virtual void startMonitoringWirelessRoutes() = 0;
virtual void stopMonitoringWirelessRoutes() = 0;
virtual void providePresentingApplicationPID(int) = 0;
bool isMonitoringWirelessRoutes() const { return m_monitoringWirelessRoutesCount; }
bool isExternalOutputDeviceAvailable() const { return m_isExternalOutputDeviceAvailable; }
bool activeVideoRouteSupportsAirPlayVideo() const { return m_activeVideoRouteSupportsAirPlayVideo; }
bool isPlayingToAutomotiveHeadUnit() const { return m_isPlayingToAutomotiveHeadUnit; }
protected:
WeakHashSet<MediaSessionHelperClient> m_clients;
uint32_t m_monitoringWirelessRoutesCount { 0 };
bool m_isExternalOutputDeviceAvailable { false };
bool m_activeVideoRouteSupportsAirPlayVideo { false };
bool m_isPlayingToAutomotiveHeadUnit { false };
};
}
#endif