| /* |
| * Copyright (C) 2007, 2008, 2009, 2010, 2011, 2012, 2013 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 HTMLMediaElement_h |
| #define HTMLMediaElement_h |
| |
| #include "core/dom/ActiveDOMObject.h" |
| #include "core/dom/GenericEventQueue.h" |
| #include "core/html/HTMLElement.h" |
| #include "core/html/MediaControllerInterface.h" |
| #include "core/html/track/TextTrack.h" |
| #include "core/html/track/TextTrackCue.h" |
| #include "core/platform/PODIntervalTree.h" |
| #include "core/platform/graphics/MediaPlayer.h" |
| #include "public/platform/WebMimeRegistry.h" |
| |
| namespace WebKit { class WebLayer; } |
| |
| namespace WebCore { |
| |
| #if ENABLE(WEB_AUDIO) |
| class AudioSourceProvider; |
| class MediaElementAudioSourceNode; |
| #endif |
| class ContentType; |
| class Event; |
| class ExceptionState; |
| class HTMLSourceElement; |
| class HTMLTrackElement; |
| class KURL; |
| class MediaController; |
| class MediaControls; |
| class MediaError; |
| class HTMLMediaSource; |
| class TextTrackList; |
| class TimeRanges; |
| #if ENABLE(ENCRYPTED_MEDIA_V2) |
| class MediaKeys; |
| #endif |
| |
| class InbandTextTrackPrivate; |
| |
| typedef PODIntervalTree<double, TextTrackCue*> CueIntervalTree; |
| typedef CueIntervalTree::IntervalType CueInterval; |
| typedef Vector<CueInterval> CueList; |
| |
| // FIXME: The inheritance from MediaPlayerClient here should be private inheritance. |
| // But it can't be until the Chromium WebMediaPlayerClientImpl class is fixed so it |
| // no longer depends on typecasting a MediaPlayerClient to an HTMLMediaElement. |
| |
| class HTMLMediaElement : public HTMLElement, public MediaPlayerClient, public ActiveDOMObject, public MediaControllerInterface |
| , private TextTrackClient |
| { |
| public: |
| static WebKit::WebMimeRegistry::SupportsType supportsType(const ContentType&, const String& keySystem = String()); |
| |
| MediaPlayer* player() const { return m_player.get(); } |
| |
| virtual bool isVideo() const = 0; |
| virtual bool hasVideo() const { return false; } |
| virtual bool hasAudio() const; |
| |
| // Eventually overloaded in HTMLVideoElement |
| virtual bool supportsFullscreen() const { return false; }; |
| |
| virtual bool supportsSave() const; |
| |
| WebKit::WebLayer* platformLayer() const; |
| |
| enum DelayedActionType { |
| LoadMediaResource = 1 << 0, |
| LoadTextTrackResource = 1 << 1, |
| TextTrackChangesNotification = 1 << 2 |
| }; |
| void scheduleDelayedAction(DelayedActionType); |
| |
| bool inActiveDocument() const { return m_inActiveDocument; } |
| |
| // DOM API |
| // error state |
| PassRefPtr<MediaError> error() const; |
| |
| // network state |
| void setSrc(const String&); |
| const KURL& currentSrc() const { return m_currentSrc; } |
| |
| enum NetworkState { NETWORK_EMPTY, NETWORK_IDLE, NETWORK_LOADING, NETWORK_NO_SOURCE }; |
| NetworkState networkState() const; |
| |
| String preload() const; |
| void setPreload(const String&); |
| |
| PassRefPtr<TimeRanges> buffered() const; |
| void load(); |
| String canPlayType(const String& mimeType, const String& keySystem = String(), const KURL& = KURL()) const; |
| |
| // ready state |
| ReadyState readyState() const; |
| bool seeking() const; |
| |
| // playback state |
| double currentTime() const; |
| void setCurrentTime(double, ExceptionState&); |
| double initialTime() const; |
| double startTime() const; |
| double duration() const; |
| bool paused() const; |
| double defaultPlaybackRate() const; |
| void setDefaultPlaybackRate(double); |
| double playbackRate() const; |
| void setPlaybackRate(double); |
| void updatePlaybackRate(); |
| bool webkitPreservesPitch() const; |
| void setWebkitPreservesPitch(bool); |
| PassRefPtr<TimeRanges> played(); |
| PassRefPtr<TimeRanges> seekable() const; |
| bool ended() const; |
| bool autoplay() const; |
| void setAutoplay(bool b); |
| bool loop() const; |
| void setLoop(bool b); |
| void play(); |
| void pause(); |
| |
| // captions |
| bool webkitHasClosedCaptions() const; |
| bool webkitClosedCaptionsVisible() const; |
| void setWebkitClosedCaptionsVisible(bool); |
| |
| // Statistics |
| unsigned webkitAudioDecodedByteCount() const; |
| unsigned webkitVideoDecodedByteCount() const; |
| |
| // Media Source. |
| void closeMediaSource(); |
| |
| void durationChanged(double duration); |
| |
| void webkitGenerateKeyRequest(const String& keySystem, PassRefPtr<Uint8Array> initData, ExceptionState&); |
| void webkitGenerateKeyRequest(const String& keySystem, ExceptionState&); |
| void webkitAddKey(const String& keySystem, PassRefPtr<Uint8Array> key, PassRefPtr<Uint8Array> initData, const String& sessionId, ExceptionState&); |
| void webkitAddKey(const String& keySystem, PassRefPtr<Uint8Array> key, ExceptionState&); |
| void webkitCancelKeyRequest(const String& keySystem, const String& sessionId, ExceptionState&); |
| |
| DEFINE_ATTRIBUTE_EVENT_LISTENER(webkitkeyadded); |
| DEFINE_ATTRIBUTE_EVENT_LISTENER(webkitkeyerror); |
| DEFINE_ATTRIBUTE_EVENT_LISTENER(webkitkeymessage); |
| DEFINE_ATTRIBUTE_EVENT_LISTENER(webkitneedkey); |
| |
| #if ENABLE(ENCRYPTED_MEDIA_V2) |
| MediaKeys* mediaKeys() const { return m_mediaKeys.get(); } |
| void setMediaKeys(MediaKeys*); |
| #endif |
| |
| // controls |
| bool controls() const; |
| void setControls(bool); |
| double volume() const; |
| void setVolume(double, ExceptionState&); |
| bool muted() const; |
| void setMuted(bool); |
| |
| void togglePlayState(); |
| void beginScrubbing(); |
| void endScrubbing(); |
| |
| bool canPlay() const; |
| |
| double percentLoaded() const; |
| |
| PassRefPtr<TextTrack> addTextTrack(const String& kind, const String& label, const String& language, ExceptionState&); |
| PassRefPtr<TextTrack> addTextTrack(const String& kind, const String& label, ExceptionState& es) { return addTextTrack(kind, label, emptyString(), es); } |
| PassRefPtr<TextTrack> addTextTrack(const String& kind, ExceptionState& es) { return addTextTrack(kind, emptyString(), emptyString(), es); } |
| |
| TextTrackList* textTracks(); |
| CueList currentlyActiveCues() const { return m_currentlyActiveCues; } |
| |
| void addTrack(TextTrack*); |
| void removeTrack(TextTrack*); |
| void removeAllInbandTracks(); |
| void closeCaptionTracksChanged(); |
| void notifyMediaPlayerOfTextTrackChanges(); |
| |
| virtual void didAddTrack(HTMLTrackElement*); |
| virtual void didRemoveTrack(HTMLTrackElement*); |
| |
| virtual void mediaPlayerDidAddTrack(PassRefPtr<InbandTextTrackPrivate>) OVERRIDE; |
| virtual void mediaPlayerDidRemoveTrack(PassRefPtr<InbandTextTrackPrivate>) OVERRIDE; |
| |
| struct TrackGroup { |
| enum GroupKind { CaptionsAndSubtitles, Description, Chapter, Metadata, Other }; |
| |
| TrackGroup(GroupKind kind) |
| : visibleTrack(0) |
| , defaultTrack(0) |
| , kind(kind) |
| , hasSrcLang(false) |
| { |
| } |
| |
| Vector<RefPtr<TextTrack> > tracks; |
| RefPtr<TextTrack> visibleTrack; |
| RefPtr<TextTrack> defaultTrack; |
| GroupKind kind; |
| bool hasSrcLang; |
| }; |
| |
| void configureTextTrackGroupForLanguage(const TrackGroup&) const; |
| void configureTextTracks(); |
| void configureTextTrackGroup(const TrackGroup&); |
| |
| bool textTracksAreReady() const; |
| void configureTextTrackDisplay(); |
| void updateTextTrackDisplay(); |
| |
| // TextTrackClient |
| virtual void textTrackReadyStateChanged(TextTrack*); |
| virtual void textTrackKindChanged(TextTrack*); |
| virtual void textTrackModeChanged(TextTrack*); |
| virtual void textTrackAddCues(TextTrack*, const TextTrackCueList*); |
| virtual void textTrackRemoveCues(TextTrack*, const TextTrackCueList*); |
| virtual void textTrackAddCue(TextTrack*, PassRefPtr<TextTrackCue>); |
| virtual void textTrackRemoveCue(TextTrack*, PassRefPtr<TextTrackCue>); |
| |
| // EventTarget function. |
| // Both Node (via HTMLElement) and ActiveDOMObject define this method, which |
| // causes an ambiguity error at compile time. This class's constructor |
| // ensures that both implementations return document, so return the result |
| // of one of them here. |
| virtual ScriptExecutionContext* scriptExecutionContext() const OVERRIDE { return HTMLElement::scriptExecutionContext(); } |
| |
| bool hasSingleSecurityOrigin() const { return !m_player || m_player->hasSingleSecurityOrigin(); } |
| |
| bool isFullscreen() const; |
| void enterFullscreen(); |
| void exitFullscreen(); |
| |
| bool hasClosedCaptions() const; |
| bool closedCaptionsVisible() const; |
| void setClosedCaptionsVisible(bool); |
| |
| MediaControls* mediaControls() const; |
| |
| void sourceWasRemoved(HTMLSourceElement*); |
| void sourceWasAdded(HTMLSourceElement*); |
| |
| bool isPlaying() const { return m_playing; } |
| |
| virtual bool hasPendingActivity() const; |
| |
| #if ENABLE(WEB_AUDIO) |
| MediaElementAudioSourceNode* audioSourceNode() { return m_audioSourceNode; } |
| void setAudioSourceNode(MediaElementAudioSourceNode*); |
| |
| AudioSourceProvider* audioSourceProvider(); |
| #endif |
| |
| enum InvalidURLAction { DoNothing, Complain }; |
| bool isSafeToLoadURL(const KURL&, InvalidURLAction); |
| |
| const String& mediaGroup() const; |
| void setMediaGroup(const String&); |
| |
| MediaController* controller() const; |
| void setController(PassRefPtr<MediaController>); |
| |
| virtual bool dispatchEvent(PassRefPtr<Event>) OVERRIDE; |
| |
| protected: |
| HTMLMediaElement(const QualifiedName&, Document*, bool); |
| virtual ~HTMLMediaElement(); |
| |
| virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE; |
| virtual void finishParsingChildren(); |
| virtual bool isURLAttribute(const Attribute&) const OVERRIDE; |
| virtual void attach(const AttachContext& = AttachContext()) OVERRIDE; |
| |
| virtual void didMoveToNewDocument(Document* oldDocument) OVERRIDE; |
| |
| enum DisplayMode { Unknown, None, Poster, PosterWaitingForVideo, Video }; |
| DisplayMode displayMode() const { return m_displayMode; } |
| virtual void setDisplayMode(DisplayMode mode) { m_displayMode = mode; } |
| |
| virtual bool isMediaElement() const { return true; } |
| |
| // Restrictions to change default behaviors. |
| enum BehaviorRestrictionFlags { |
| NoRestrictions = 0, |
| RequireUserGestureForLoadRestriction = 1 << 0, |
| RequireUserGestureForRateChangeRestriction = 1 << 1, |
| RequireUserGestureForFullscreenRestriction = 1 << 2, |
| RequirePageConsentToLoadMediaRestriction = 1 << 3, |
| }; |
| typedef unsigned BehaviorRestrictions; |
| |
| bool userGestureRequiredForLoad() const { return m_restrictions & RequireUserGestureForLoadRestriction; } |
| bool userGestureRequiredForRateChange() const { return m_restrictions & RequireUserGestureForRateChangeRestriction; } |
| bool userGestureRequiredForFullscreen() const { return m_restrictions & RequireUserGestureForFullscreenRestriction; } |
| bool pageConsentRequiredForLoad() const { return m_restrictions & RequirePageConsentToLoadMediaRestriction; } |
| |
| void addBehaviorRestriction(BehaviorRestrictions restriction) { m_restrictions |= restriction; } |
| void removeBehaviorRestriction(BehaviorRestrictions restriction) { m_restrictions &= ~restriction; } |
| |
| bool ignoreTrackDisplayUpdateRequests() const { return m_ignoreTrackDisplayUpdate > 0; } |
| void beginIgnoringTrackDisplayUpdateRequests(); |
| void endIgnoringTrackDisplayUpdateRequests(); |
| |
| private: |
| void createMediaPlayer(); |
| |
| virtual bool alwaysCreateUserAgentShadowRoot() const OVERRIDE { return true; } |
| virtual bool areAuthorShadowsAllowed() const OVERRIDE { return false; } |
| |
| virtual bool hasCustomFocusLogic() const OVERRIDE; |
| virtual bool supportsFocus() const; |
| virtual bool isMouseFocusable() const; |
| virtual bool rendererIsNeeded(const NodeRenderingContext&); |
| virtual RenderObject* createRenderer(RenderStyle*); |
| virtual bool childShouldCreateRenderer(const NodeRenderingContext&) const OVERRIDE; |
| virtual InsertionNotificationRequest insertedInto(ContainerNode*) OVERRIDE; |
| virtual void removedFrom(ContainerNode*) OVERRIDE; |
| virtual void didRecalcStyle(StyleChange); |
| |
| virtual void didBecomeFullscreenElement(); |
| virtual void willStopBeingFullscreenElement(); |
| |
| // ActiveDOMObject functions. |
| virtual bool canSuspend() const; |
| virtual void suspend(ReasonForSuspension); |
| virtual void resume(); |
| virtual void stop(); |
| |
| virtual void updateDisplayState() { } |
| |
| void setReadyState(MediaPlayer::ReadyState); |
| void setNetworkState(MediaPlayer::NetworkState); |
| |
| virtual void mediaPlayerNetworkStateChanged() OVERRIDE; |
| virtual void mediaPlayerReadyStateChanged() OVERRIDE; |
| virtual void mediaPlayerTimeChanged() OVERRIDE; |
| virtual void mediaPlayerDurationChanged() OVERRIDE; |
| virtual void mediaPlayerPlaybackStateChanged() OVERRIDE; |
| virtual void mediaPlayerRequestSeek(double) OVERRIDE; |
| virtual void mediaPlayerRepaint() OVERRIDE; |
| virtual void mediaPlayerSizeChanged() OVERRIDE; |
| virtual void mediaPlayerEngineUpdated() OVERRIDE; |
| |
| virtual void mediaPlayerKeyAdded(const String& keySystem, const String& sessionId) OVERRIDE; |
| virtual void mediaPlayerKeyError(const String& keySystem, const String& sessionId, MediaPlayerClient::MediaKeyErrorCode, unsigned short systemCode) OVERRIDE; |
| virtual void mediaPlayerKeyMessage(const String& keySystem, const String& sessionId, const unsigned char* message, unsigned messageLength, const KURL& defaultURL) OVERRIDE; |
| virtual bool mediaPlayerKeyNeeded(const String& keySystem, const String& sessionId, const unsigned char* initData, unsigned initDataLength) OVERRIDE; |
| |
| #if ENABLE(ENCRYPTED_MEDIA_V2) |
| virtual bool mediaPlayerKeyNeeded(Uint8Array*) OVERRIDE; |
| #endif |
| |
| virtual CORSMode mediaPlayerCORSMode() const OVERRIDE; |
| |
| virtual void mediaPlayerScheduleLayerUpdate() OVERRIDE; |
| |
| void loadTimerFired(Timer<HTMLMediaElement>*); |
| void progressEventTimerFired(Timer<HTMLMediaElement>*); |
| void playbackProgressTimerFired(Timer<HTMLMediaElement>*); |
| void startPlaybackProgressTimer(); |
| void startProgressEventTimer(); |
| void stopPeriodicTimers(); |
| |
| void seek(double time, ExceptionState&); |
| void finishSeek(); |
| void checkIfSeekNeeded(); |
| void addPlayedRange(double start, double end); |
| |
| void scheduleTimeupdateEvent(bool periodicEvent); |
| void scheduleEvent(const AtomicString& eventName); |
| |
| // loading |
| void selectMediaResource(); |
| void loadResource(const KURL&, ContentType&, const String& keySystem); |
| void scheduleNextSourceChild(); |
| void loadNextSourceChild(); |
| void userCancelledLoad(); |
| void clearMediaPlayer(int flags); |
| bool havePotentialSourceChild(); |
| void noneSupported(); |
| void mediaEngineError(PassRefPtr<MediaError> err); |
| void cancelPendingEventsAndCallbacks(); |
| void waitForSourceChange(); |
| void prepareToPlay(); |
| |
| KURL selectNextSourceChild(ContentType*, String* keySystem, InvalidURLAction); |
| |
| void mediaLoadingFailed(MediaPlayer::NetworkState); |
| |
| void updateActiveTextTrackCues(double); |
| HTMLTrackElement* showingTrackWithSameKind(HTMLTrackElement*) const; |
| |
| void markCaptionAndSubtitleTracksAsUnconfigured(); |
| |
| // These "internal" functions do not check user gesture restrictions. |
| void loadInternal(); |
| void playInternal(); |
| void pauseInternal(); |
| |
| void prepareForLoad(); |
| void allowVideoRendering(); |
| |
| void updateVolume(); |
| void updatePlayState(); |
| bool potentiallyPlaying() const; |
| bool endedPlayback() const; |
| bool stoppedDueToErrors() const; |
| bool pausedForUserInteraction() const; |
| bool couldPlayIfEnoughData() const; |
| |
| double minTimeSeekable() const; |
| double maxTimeSeekable() const; |
| |
| // Pauses playback without changing any states or generating events |
| void setPausedInternal(bool); |
| |
| void setPlaybackRateInternal(double); |
| |
| void setShouldDelayLoadEvent(bool); |
| void invalidateCachedTime(); |
| void refreshCachedTime() const; |
| |
| bool hasMediaControls() const; |
| bool createMediaControls(); |
| void configureMediaControls(); |
| |
| void prepareMediaFragmentURI(); |
| void applyMediaFragmentURI(); |
| |
| virtual void* preDispatchEventHandler(Event*); |
| |
| void changeNetworkStateFromLoadingToIdle(); |
| |
| void removeBehaviorsRestrictionsAfterFirstUserGesture(); |
| |
| void updateMediaController(); |
| bool isBlocked() const; |
| bool isBlockedOnMediaController() const; |
| bool hasCurrentSrc() const { return !m_currentSrc.isEmpty(); } |
| bool isAutoplaying() const { return m_autoplaying; } |
| |
| Timer<HTMLMediaElement> m_loadTimer; |
| Timer<HTMLMediaElement> m_progressEventTimer; |
| Timer<HTMLMediaElement> m_playbackProgressTimer; |
| RefPtr<TimeRanges> m_playedTimeRanges; |
| OwnPtr<GenericEventQueue> m_asyncEventQueue; |
| |
| double m_playbackRate; |
| double m_defaultPlaybackRate; |
| bool m_webkitPreservesPitch; |
| NetworkState m_networkState; |
| ReadyState m_readyState; |
| ReadyState m_readyStateMaximum; |
| KURL m_currentSrc; |
| |
| RefPtr<MediaError> m_error; |
| |
| double m_volume; |
| double m_lastSeekTime; |
| |
| unsigned m_previousProgress; |
| double m_previousProgressTime; |
| |
| // Cached duration to suppress duplicate events if duration unchanged. |
| double m_duration; |
| |
| // The last time a timeupdate event was sent (wall clock). |
| double m_lastTimeUpdateEventWallTime; |
| |
| // The last time a timeupdate event was sent in movie time. |
| double m_lastTimeUpdateEventMovieTime; |
| |
| // Loading state. |
| enum LoadState { WaitingForSource, LoadingFromSrcAttr, LoadingFromSourceElement }; |
| LoadState m_loadState; |
| RefPtr<HTMLSourceElement> m_currentSourceNode; |
| RefPtr<Node> m_nextChildNodeToConsider; |
| |
| OwnPtr<MediaPlayer> m_player; |
| |
| BehaviorRestrictions m_restrictions; |
| |
| MediaPlayer::Preload m_preload; |
| |
| DisplayMode m_displayMode; |
| |
| RefPtr<HTMLMediaSource> m_mediaSource; |
| |
| mutable double m_cachedTime; |
| mutable double m_cachedTimeWallClockUpdateTime; |
| mutable double m_minimumWallClockTimeToCacheMediaTime; |
| |
| double m_fragmentStartTime; |
| double m_fragmentEndTime; |
| |
| typedef unsigned PendingActionFlags; |
| PendingActionFlags m_pendingActionFlags; |
| |
| bool m_playing : 1; |
| bool m_shouldDelayLoadEvent : 1; |
| bool m_haveFiredLoadedData : 1; |
| bool m_inActiveDocument : 1; |
| bool m_autoplaying : 1; |
| bool m_muted : 1; |
| bool m_paused : 1; |
| bool m_seeking : 1; |
| |
| // data has not been loaded since sending a "stalled" event |
| bool m_sentStalledEvent : 1; |
| |
| // time has not changed since sending an "ended" event |
| bool m_sentEndEvent : 1; |
| |
| bool m_pausedInternal : 1; |
| |
| // Not all media engines provide enough information about a file to be able to |
| // support progress events so setting m_sendProgressEvents disables them |
| bool m_sendProgressEvents : 1; |
| |
| bool m_closedCaptionsVisible : 1; |
| |
| bool m_dispatchingCanPlayEvent : 1; |
| bool m_loadInitiatedByUserGesture : 1; |
| bool m_completelyLoaded : 1; |
| bool m_havePreparedToPlay : 1; |
| bool m_parsingInProgress : 1; |
| |
| bool m_tracksAreReady : 1; |
| bool m_haveVisibleTextTrack : 1; |
| bool m_processingPreferenceChange : 1; |
| double m_lastTextTrackUpdateTime; |
| |
| RefPtr<TextTrackList> m_textTracks; |
| Vector<RefPtr<TextTrack> > m_textTracksWhenResourceSelectionBegan; |
| |
| CueIntervalTree m_cueTree; |
| |
| CueList m_currentlyActiveCues; |
| int m_ignoreTrackDisplayUpdate; |
| |
| #if ENABLE(WEB_AUDIO) |
| // This is a weak reference, since m_audioSourceNode holds a reference to us. |
| // The value is set just after the MediaElementAudioSourceNode is created. |
| // The value is cleared in MediaElementAudioSourceNode::~MediaElementAudioSourceNode(). |
| MediaElementAudioSourceNode* m_audioSourceNode; |
| #endif |
| |
| String m_mediaGroup; |
| friend class MediaController; |
| RefPtr<MediaController> m_mediaController; |
| |
| friend class TrackDisplayUpdateScope; |
| |
| #if ENABLE(ENCRYPTED_MEDIA_V2) |
| RefPtr<MediaKeys> m_mediaKeys; |
| #endif |
| }; |
| |
| #ifndef NDEBUG |
| // Template specializations required by PodIntervalTree in debug mode. |
| template <> |
| struct ValueToString<double> { |
| static String string(const double value) |
| { |
| return String::number(value); |
| } |
| }; |
| |
| template <> |
| struct ValueToString<TextTrackCue*> { |
| static String string(TextTrackCue* const& cue) |
| { |
| return String::format("%p id=%s interval=%f-->%f cue=%s)", cue, cue->id().utf8().data(), cue->startTime(), cue->endTime(), cue->text().utf8().data()); |
| } |
| }; |
| #endif |
| |
| inline bool isHTMLMediaElement(Node* node) |
| { |
| return node && node->isElementNode() && toElement(node)->isMediaElement(); |
| } |
| |
| inline HTMLMediaElement* toHTMLMediaElement(Node* node) |
| { |
| ASSERT_WITH_SECURITY_IMPLICATION(!node || isHTMLMediaElement(node)); |
| return static_cast<HTMLMediaElement*>(node); |
| } |
| |
| } //namespace |
| |
| #endif |