| /* |
| * Copyright (C) 2011 Ericsson AB. All rights reserved. |
| * Copyright (C) 2012 Google Inc. All rights reserved. |
| * Copyright (C) 2013 Apple Inc. All rights reserved. |
| * Copyright (C) 2013 Nokia Corporation and/or its subsidiary(-ies). |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * 3. Neither the name of Ericsson nor the names of its contributors |
| * may be used to endorse or promote products derived from this |
| * software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef MediaStreamSource_h |
| #define MediaStreamSource_h |
| |
| #if ENABLE(MEDIA_STREAM) |
| |
| #include "AudioDestinationConsumer.h" |
| #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() { } |
| |
| // Source state changes. |
| virtual void sourceReadyStateChanged() = 0; |
| virtual void sourceMutedChanged() = 0; |
| virtual void sourceEnabledChanged() = 0; |
| |
| // Observer state queries. |
| 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; |
| }; |
| |
| } // namespace WebCore |
| |
| #endif // ENABLE(MEDIA_STREAM) |
| |
| #endif // MediaStreamSource_h |