MediaStreamPrivate.h [plain text]
#ifndef MediaStreamPrivate_h
#define MediaStreamPrivate_h
#if ENABLE(MEDIA_STREAM)
#include "FloatSize.h"
#include "MediaStreamTrackPrivate.h"
#include <wtf/Function.h>
#include <wtf/HashMap.h>
#include <wtf/MediaTime.h>
#include <wtf/RefPtr.h>
#include <wtf/UUID.h>
#include <wtf/Vector.h>
#include <wtf/WeakHashSet.h>
namespace WebCore {
class MediaStream;
class OrientationNotifier;
class MediaStreamPrivate final
: public MediaStreamTrackPrivate::Observer
, public RefCounted<MediaStreamPrivate>
#if !RELEASE_LOG_DISABLED
, private LoggerHelper
#endif
{
public:
class Observer : public CanMakeWeakPtr<Observer> {
public:
virtual ~Observer() = default;
virtual void characteristicsChanged() { }
virtual void activeStatusChanged() { }
virtual void didAddTrack(MediaStreamTrackPrivate&) { }
virtual void didRemoveTrack(MediaStreamTrackPrivate&) { }
};
static Ref<MediaStreamPrivate> create(Ref<const Logger>&&, Ref<RealtimeMediaSource>&&);
static Ref<MediaStreamPrivate> create(Ref<const Logger>&&, RefPtr<RealtimeMediaSource>&& audioSource, RefPtr<RealtimeMediaSource>&& videoSource);
static Ref<MediaStreamPrivate> create(Ref<const Logger>&& logger, const MediaStreamTrackPrivateVector& tracks, String&& id = createCanonicalUUIDString()) { return adoptRef(*new MediaStreamPrivate(WTFMove(logger), tracks, WTFMove(id))); }
WEBCORE_EXPORT virtual ~MediaStreamPrivate();
void addObserver(Observer&);
void removeObserver(Observer&);
String id() const { return m_id; }
MediaStreamTrackPrivateVector tracks() const;
bool hasTracks() const { return !m_trackSet.isEmpty(); }
void forEachTrack(const Function<void(const MediaStreamTrackPrivate&)>&) const;
void forEachTrack(const Function<void(MediaStreamTrackPrivate&)>&);
MediaStreamTrackPrivate* activeVideoTrack() { return m_activeVideoTrack; }
bool active() const { return m_isActive; }
void updateActiveState();
void addTrack(Ref<MediaStreamTrackPrivate>&&);
WEBCORE_EXPORT void removeTrack(MediaStreamTrackPrivate&);
void startProducingData();
void stopProducingData();
bool isProducingData() const;
WEBCORE_EXPORT bool hasVideo() const;
bool hasAudio() const;
bool muted() const;
FloatSize intrinsicSize() const;
void monitorOrientation(OrientationNotifier&);
#if !RELEASE_LOG_DISABLED
const Logger& logger() const final { return m_logger; }
const void* logIdentifier() const final { return m_logIdentifier; }
#endif
private:
MediaStreamPrivate(Ref<const Logger>&&, const MediaStreamTrackPrivateVector&, String&&);
void trackStarted(MediaStreamTrackPrivate&) override;
void trackEnded(MediaStreamTrackPrivate&) override;
void trackMutedChanged(MediaStreamTrackPrivate&) override;
void trackSettingsChanged(MediaStreamTrackPrivate&) override;
void trackEnabledChanged(MediaStreamTrackPrivate&) override;
void characteristicsChanged();
void updateActiveVideoTrack();
bool computeActiveState();
void forEachObserver(const Function<void(Observer&)>&);
#if !RELEASE_LOG_DISABLED
const char* logClassName() const final { return "MediaStreamPrivate"; }
WTFLogChannel& logChannel() const final;
#endif
WeakHashSet<Observer> m_observers;
String m_id;
MediaStreamTrackPrivate* m_activeVideoTrack { nullptr };
HashMap<String, RefPtr<MediaStreamTrackPrivate>> m_trackSet;
bool m_isActive { false };
#if !RELEASE_LOG_DISABLED
Ref<const Logger> m_logger;
const void* m_logIdentifier;
#endif
};
typedef Vector<RefPtr<MediaStreamPrivate>> MediaStreamPrivateVector;
}
#endif // ENABLE(MEDIA_STREAM)
#endif // MediaStreamPrivate_h