| /* |
| * Copyright (C) 2011 Google Inc. All rights reserved. |
| * Copyright (C) 2011 Ericsson AB. All rights reserved. |
| * |
| * 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. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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 MediaStream_h |
| #define MediaStream_h |
| |
| #include "core/dom/ContextLifecycleObserver.h" |
| #include "core/html/URLRegistry.h" |
| #include "modules/EventTargetModules.h" |
| #include "modules/ModulesExport.h" |
| #include "modules/mediastream/MediaStreamTrack.h" |
| #include "platform/Timer.h" |
| #include "platform/mediastream/MediaStreamDescriptor.h" |
| |
| namespace blink { |
| |
| class ExceptionState; |
| |
| class MODULES_EXPORT MediaStream final : public EventTargetWithInlineData, |
| public URLRegistrable, |
| public MediaStreamDescriptorClient, |
| public ContextLifecycleObserver { |
| USING_GARBAGE_COLLECTED_MIXIN(MediaStream); |
| DEFINE_WRAPPERTYPEINFO(); |
| |
| public: |
| static MediaStream* create(ExecutionContext*); |
| static MediaStream* create(ExecutionContext*, MediaStream*); |
| static MediaStream* create(ExecutionContext*, const MediaStreamTrackVector&); |
| static MediaStream* create(ExecutionContext*, MediaStreamDescriptor*); |
| ~MediaStream() override; |
| |
| String id() const { return m_descriptor->id(); } |
| |
| void addTrack(MediaStreamTrack*, ExceptionState&); |
| void removeTrack(MediaStreamTrack*, ExceptionState&); |
| MediaStreamTrack* getTrackById(String); |
| MediaStream* clone(ExecutionContext*); |
| |
| MediaStreamTrackVector getAudioTracks() const { return m_audioTracks; } |
| MediaStreamTrackVector getVideoTracks() const { return m_videoTracks; } |
| MediaStreamTrackVector getTracks(); |
| |
| bool active() const { return m_descriptor->active(); } |
| |
| DEFINE_ATTRIBUTE_EVENT_LISTENER(active); |
| DEFINE_ATTRIBUTE_EVENT_LISTENER(inactive); |
| DEFINE_ATTRIBUTE_EVENT_LISTENER(addtrack); |
| DEFINE_ATTRIBUTE_EVENT_LISTENER(removetrack); |
| |
| void trackEnded(); |
| |
| // MediaStreamDescriptorClient |
| void streamEnded() override; |
| |
| MediaStreamDescriptor* descriptor() const { return m_descriptor; } |
| |
| // EventTarget |
| const AtomicString& interfaceName() const override; |
| ExecutionContext* getExecutionContext() const override; |
| |
| // URLRegistrable |
| URLRegistry& registry() const override; |
| |
| DECLARE_VIRTUAL_TRACE(); |
| |
| protected: |
| bool addEventListenerInternal( |
| const AtomicString& eventType, |
| EventListener*, |
| const AddEventListenerOptionsResolved&) override; |
| |
| private: |
| MediaStream(ExecutionContext*, MediaStreamDescriptor*); |
| MediaStream(ExecutionContext*, |
| const MediaStreamTrackVector& audioTracks, |
| const MediaStreamTrackVector& videoTracks); |
| |
| // ContextLifecycleObserver |
| void contextDestroyed() override; |
| |
| // MediaStreamDescriptorClient |
| void addRemoteTrack(MediaStreamComponent*) override; |
| void removeRemoteTrack(MediaStreamComponent*) override; |
| |
| bool emptyOrOnlyEndedTracks(); |
| |
| void scheduleDispatchEvent(Event*); |
| void scheduledEventTimerFired(TimerBase*); |
| |
| bool m_stopped; |
| |
| MediaStreamTrackVector m_audioTracks; |
| MediaStreamTrackVector m_videoTracks; |
| Member<MediaStreamDescriptor> m_descriptor; |
| |
| Timer<MediaStream> m_scheduledEventTimer; |
| HeapVector<Member<Event>> m_scheduledEvents; |
| }; |
| |
| typedef HeapVector<Member<MediaStream>> MediaStreamVector; |
| |
| MediaStream* toMediaStream(MediaStreamDescriptor*); |
| |
| } // namespace blink |
| |
| #endif // MediaStream_h |