| /* |
| * Copyright (C) 2011 Apple Inc. 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 COMPUTER, INC. ``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 COMPUTER, INC. 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 MediaController_h |
| #define MediaController_h |
| |
| #include "bindings/v8/ScriptWrappable.h" |
| #include "core/events/EventTarget.h" |
| #include "core/html/HTMLMediaElement.h" |
| #include "wtf/LinkedHashSet.h" |
| #include "wtf/PassRefPtr.h" |
| #include "wtf/RefCounted.h" |
| |
| namespace WebCore { |
| |
| class Clock; |
| class ExceptionState; |
| class ExecutionContext; |
| class GenericEventQueue; |
| |
| class MediaController FINAL : public RefCountedWillBeRefCountedGarbageCollected<MediaController>, public ScriptWrappable, public EventTargetWithInlineData { |
| REFCOUNTED_EVENT_TARGET(MediaController); |
| WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(MediaController); |
| public: |
| static PassRefPtrWillBeRawPtr<MediaController> create(ExecutionContext*); |
| virtual ~MediaController(); |
| |
| void addMediaElement(HTMLMediaElement*); |
| void removeMediaElement(HTMLMediaElement*); |
| |
| PassRefPtr<TimeRanges> buffered() const; |
| PassRefPtr<TimeRanges> seekable() const; |
| PassRefPtr<TimeRanges> played(); |
| |
| double duration() const; |
| double currentTime() const; |
| void setCurrentTime(double, ExceptionState&); |
| |
| bool paused() const { return m_paused; } |
| void play(); |
| void pause(); |
| void unpause(); |
| |
| double defaultPlaybackRate() const { return m_defaultPlaybackRate; } |
| void setDefaultPlaybackRate(double); |
| |
| double playbackRate() const; |
| void setPlaybackRate(double); |
| |
| double volume() const { return m_volume; } |
| void setVolume(double, ExceptionState&); |
| |
| bool muted() const { return m_muted; } |
| void setMuted(bool); |
| |
| typedef HTMLMediaElement::ReadyState ReadyState; |
| ReadyState readyState() const { return m_readyState; } |
| |
| enum PlaybackState { WAITING, PLAYING, ENDED }; |
| const AtomicString& playbackState() const; |
| |
| bool isRestrained() const; |
| bool isBlocked() const; |
| |
| #if !ENABLE(OILPAN) |
| void clearExecutionContext() { m_executionContext = nullptr; } |
| #endif |
| |
| virtual void trace(Visitor*) OVERRIDE; |
| |
| private: |
| MediaController(ExecutionContext*); |
| void reportControllerState(); |
| void updateReadyState(); |
| void updatePlaybackState(); |
| void updateMediaElements(); |
| void bringElementUpToSpeed(HTMLMediaElement*); |
| void scheduleEvent(const AtomicString& eventName); |
| void clearPositionTimerFired(Timer<MediaController>*); |
| bool hasEnded() const; |
| void scheduleTimeupdateEvent(); |
| void timeupdateTimerFired(Timer<MediaController>*); |
| void startTimeupdateTimer(); |
| |
| // EventTarget |
| virtual const AtomicString& interfaceName() const OVERRIDE; |
| virtual ExecutionContext* executionContext() const OVERRIDE { return m_executionContext; } |
| |
| friend class HTMLMediaElement; |
| friend class MediaControllerEventListener; |
| // FIXME: A MediaController should ideally keep an otherwise |
| // unreferenced slaved media element alive. When Oilpan is |
| // enabled by default, consider making the hash set references |
| // strong to accomplish that. crbug.com/383072 |
| typedef WillBeHeapLinkedHashSet<RawPtrWillBeWeakMember<HTMLMediaElement> > MediaElementSequence; |
| MediaElementSequence m_mediaElements; |
| bool m_paused; |
| double m_defaultPlaybackRate; |
| double m_volume; |
| mutable double m_position; |
| bool m_muted; |
| ReadyState m_readyState; |
| PlaybackState m_playbackState; |
| OwnPtrWillBeMember<GenericEventQueue> m_pendingEventsQueue; |
| mutable Timer<MediaController> m_clearPositionTimer; |
| OwnPtr<Clock> m_clock; |
| RawPtrWillBeWeakMember<ExecutionContext> m_executionContext; |
| Timer<MediaController> m_timeupdateTimer; |
| double m_previousTimeupdateTime; |
| }; |
| |
| } // namespace WebCore |
| |
| #endif |