MediaStreamSource.h [plain text]
#ifndef MediaStreamSource_h
#define MediaStreamSource_h
#if ENABLE(MEDIA_STREAM)
#include "MediaConstraints.h"
#include "MediaStreamSourceCapabilities.h"
#include <wtf/RefCounted.h>
#include <wtf/Vector.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
class AudioBus;
class MediaConstraints;
class MediaStreamPrivate;
class MediaStreamSourceStates;
class MediaStreamSource : public RefCounted<MediaStreamSource> {
public:
class Observer {
public:
virtual ~Observer() { }
virtual void sourceReadyStateChanged() = 0;
virtual void sourceMutedChanged() = 0;
virtual void sourceEnabledChanged() = 0;
virtual bool observerIsEnabled() = 0;
};
virtual ~MediaStreamSource() { }
bool isAudioStreamSource() const { return type() == Audio; }
virtual bool useIDForTrackID() const { return false; }
const String& id() const { return m_id; }
enum Type { None, Audio, Video };
Type type() const { return m_type; }
virtual const String& name() const { return m_name; }
virtual void setName(const String& name) { m_name = name; }
virtual RefPtr<MediaStreamSourceCapabilities> capabilities() const = 0;
virtual const MediaStreamSourceStates& states() = 0;
enum ReadyState { New = 0, Live = 1, Ended = 2 };
virtual ReadyState readyState() const { return m_readyState; }
virtual void setReadyState(ReadyState);
virtual bool enabled() const { return m_enabled; }
virtual void setEnabled(bool);
virtual bool muted() const { return m_muted; }
virtual void setMuted(bool);
virtual bool readonly() const;
virtual void setReadonly(bool readonly) { m_readonly = readonly; }
virtual bool remote() const { return m_remote; }
virtual void setRemote(bool remote) { m_remote = remote; }
void addObserver(Observer*);
void removeObserver(Observer*);
virtual void startProducingData() { }
virtual void stopProducingData() { }
void stop();
void reset();
protected:
MediaStreamSource(const String& id, Type, const String& name);
private:
String m_id;
Type m_type;
String m_name;
ReadyState m_readyState;
Vector<Observer*> m_observers;
bool m_enabled;
bool m_muted;
bool m_readonly;
bool m_remote;
};
}
#endif // ENABLE(MEDIA_STREAM)
#endif // MediaStreamSource_h