1 files changed, 1073 insertions, 0 deletions

diff --git a/src/3rdparty/webkit/WebCore/html/HTMLMediaElement.cpp b/src/3rdparty/webkit/WebCore/html/HTMLMediaElement.cpp
new file mode 100644
index 0000000..df38f01
--- /dev/null
+++ b/src/3rdparty/webkit/WebCore/html/HTMLMediaElement.cpp
@@ -0,0 +1,1073 @@
+/*
+ * Copyright (C) 2007, 2008 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. 
+ */
+
+#include "config.h"
+
+#if ENABLE(VIDEO)
+#include "HTMLMediaElement.h"
+
+#include "CSSHelper.h"
+#include "CSSPropertyNames.h"
+#include "CSSValueKeywords.h"
+#include "Event.h"
+#include "EventNames.h"
+#include "ExceptionCode.h"
+#include "HTMLDocument.h"
+#include "HTMLNames.h"
+#include "HTMLSourceElement.h"
+#include "HTMLVideoElement.h"
+#include <limits>
+#include "MediaError.h"
+#include "MediaList.h"
+#include "MediaQueryEvaluator.h"
+#include "MIMETypeRegistry.h"
+#include "MediaPlayer.h"
+#include "Page.h"
+#include "RenderVideo.h"
+#include "SystemTime.h"
+#include "TimeRanges.h"
+#include <wtf/MathExtras.h>
+
+using namespace std;
+
+namespace WebCore {
+
+using namespace HTMLNames;
+
+HTMLMediaElement::HTMLMediaElement(const QualifiedName& tagName, Document* doc)
+    : HTMLElement(tagName, doc)
+    , m_loadTimer(this, &HTMLMediaElement::loadTimerFired)
+    , m_asyncEventTimer(this, &HTMLMediaElement::asyncEventTimerFired)
+    , m_progressEventTimer(this, &HTMLMediaElement::progressEventTimerFired)
+    , m_defaultPlaybackRate(1.0f)
+    , m_networkState(EMPTY)
+    , m_readyState(DATA_UNAVAILABLE)
+    , m_begun(false)
+    , m_loadedFirstFrame(false)
+    , m_autoplaying(true)
+    , m_currentLoop(0)
+    , m_volume(1.0f)
+    , m_muted(false)
+    , m_paused(true)
+    , m_seeking(false)
+    , m_currentTimeDuringSeek(0)
+    , m_previousProgress(0)
+    , m_previousProgressTime(numeric_limits<double>::max())
+    , m_sentStalledEvent(false)
+    , m_bufferingRate(0)
+    , m_loadNestingLevel(0)
+    , m_terminateLoadBelowNestingLevel(0)
+    , m_pausedInternal(false)
+    , m_inActiveDocument(true)
+    , m_player(0)
+{
+    document()->registerForDocumentActivationCallbacks(this);
+    document()->registerForMediaVolumeCallbacks(this);
+}
+
+HTMLMediaElement::~HTMLMediaElement()
+{
+    document()->unregisterForDocumentActivationCallbacks(this);
+    document()->unregisterForMediaVolumeCallbacks(this);
+}
+
+bool HTMLMediaElement::checkDTD(const Node* newChild)
+{
+    return newChild->hasTagName(sourceTag) || HTMLElement::checkDTD(newChild);
+}
+
+void HTMLMediaElement::attributeChanged(Attribute* attr, bool preserveDecls)
+{
+    HTMLElement::attributeChanged(attr, preserveDecls);
+
+    const QualifiedName& attrName = attr->name();
+    if (attrName == srcAttr) {
+        // 3.14.9.2.
+        // change to src attribute triggers load()
+        if (inDocument() && m_networkState == EMPTY)
+            scheduleLoad();
+    } if (attrName == controlsAttr) {
+        if (!isVideo() && attached() && (controls() != (renderer() != 0))) {
+            detach();
+            attach();
+        }
+        if (renderer())
+            renderer()->updateFromElement();
+    }
+}
+    
+bool HTMLMediaElement::rendererIsNeeded(RenderStyle* style)
+{
+    return controls() ? HTMLElement::rendererIsNeeded(style) : false;
+}
+
+RenderObject* HTMLMediaElement::createRenderer(RenderArena* arena, RenderStyle*)
+{
+    return new (arena) RenderMedia(this);
+}
+ 
+void HTMLMediaElement::insertedIntoDocument()
+{
+    HTMLElement::insertedIntoDocument();
+    if (!src().isEmpty())
+        scheduleLoad();
+}
+
+void HTMLMediaElement::removedFromDocument()
+{
+    // FIXME: pause() may invoke load() which seem like a strange thing to do as a side effect
+    // of removing an element. This might need to be fixed in the spec.
+    ExceptionCode ec;
+    pause(ec);
+    HTMLElement::removedFromDocument();
+}
+
+void HTMLMediaElement::attach()
+{
+    ASSERT(!attached());
+
+    HTMLElement::attach();
+
+    if (renderer())
+        renderer()->updateFromElement();
+}
+
+void HTMLMediaElement::recalcStyle(StyleChange change)
+{
+    HTMLElement::recalcStyle(change);
+
+    if (renderer())
+        renderer()->updateFromElement();
+}
+
+void HTMLMediaElement::scheduleLoad()
+{
+    m_loadTimer.startOneShot(0);
+}
+
+void HTMLMediaElement::initAndDispatchProgressEvent(const AtomicString& eventName)
+{
+    bool totalKnown = m_player && m_player->totalBytesKnown();
+    unsigned loaded = m_player ? m_player->bytesLoaded() : 0;
+    unsigned total = m_player ? m_player->totalBytes() : 0;
+    dispatchProgressEvent(eventName, totalKnown, loaded, total);
+    if (renderer())
+        renderer()->updateFromElement();
+}
+
+void HTMLMediaElement::dispatchEventAsync(const AtomicString& eventName)
+{
+    m_asyncEventsToDispatch.append(eventName);
+    if (!m_asyncEventTimer.isActive())                            
+        m_asyncEventTimer.startOneShot(0);
+}
+
+void HTMLMediaElement::loadTimerFired(Timer<HTMLMediaElement>*)
+{
+    ExceptionCode ec;
+    load(ec);
+}
+
+void HTMLMediaElement::asyncEventTimerFired(Timer<HTMLMediaElement>*)
+{
+    Vector<AtomicString> asyncEventsToDispatch;
+    m_asyncEventsToDispatch.swap(asyncEventsToDispatch);
+    unsigned count = asyncEventsToDispatch.size();
+    for (unsigned n = 0; n < count; ++n)
+        dispatchEventForType(asyncEventsToDispatch[n], false, true);
+}
+
+String serializeTimeOffset(float time)
+{
+    String timeString = String::number(time);
+    // FIXME serialize time offset values properly (format not specified yet)
+    timeString.append("s");
+    return timeString;
+}
+
+float parseTimeOffset(const String& timeString, bool* ok = 0)
+{
+    const UChar* characters = timeString.characters();
+    unsigned length = timeString.length();
+    
+    if (length && characters[length - 1] == 's')
+        length--;
+    
+    // FIXME parse time offset values (format not specified yet)
+    float val = charactersToFloat(characters, length, ok);
+    return val;
+}
+
+float HTMLMediaElement::getTimeOffsetAttribute(const QualifiedName& name, float valueOnError) const
+{
+    bool ok;
+    String timeString = getAttribute(name);
+    float result = parseTimeOffset(timeString, &ok);
+    if (ok)
+        return result;
+    return valueOnError;
+}
+
+void HTMLMediaElement::setTimeOffsetAttribute(const QualifiedName& name, float value)
+{
+    setAttribute(name, serializeTimeOffset(value));
+}
+
+PassRefPtr<MediaError> HTMLMediaElement::error() const 
+{
+    return m_error;
+}
+
+KURL HTMLMediaElement::src() const
+{
+    return document()->completeURL(getAttribute(srcAttr));
+}
+
+void HTMLMediaElement::setSrc(const String& url)
+{
+    setAttribute(srcAttr, url);
+}
+
+String HTMLMediaElement::currentSrc() const
+{
+    return m_currentSrc;
+}
+
+HTMLMediaElement::NetworkState HTMLMediaElement::networkState() const
+{
+    return m_networkState;
+}
+
+float HTMLMediaElement::bufferingRate()
+{
+    if (!m_player)
+        return 0;
+    return m_bufferingRate;
+    //return m_player->dataRate();
+}
+
+void HTMLMediaElement::load(ExceptionCode& ec)
+{
+    String mediaSrc;
+    
+    // 3.14.9.4. Loading the media resource
+    // 1
+    // if an event generated during load() ends up re-entering load(), terminate previous instances
+    m_loadNestingLevel++;
+    m_terminateLoadBelowNestingLevel = m_loadNestingLevel;
+    
+    m_progressEventTimer.stop();
+    m_sentStalledEvent = false;
+    m_bufferingRate = 0;
+    
+    m_loadTimer.stop();
+    
+    // 2
+    if (m_begun) {
+        m_begun = false;
+        m_error = MediaError::create(MediaError::MEDIA_ERR_ABORTED);
+        initAndDispatchProgressEvent(eventNames().abortEvent);
+        if (m_loadNestingLevel < m_terminateLoadBelowNestingLevel)
+            goto end;
+    }
+    
+    // 3
+    m_error = 0;
+    m_loadedFirstFrame = false;
+    m_autoplaying = true;
+    
+    // 4
+    setPlaybackRate(defaultPlaybackRate(), ec);
+    
+    // 5
+    if (networkState() != EMPTY) {
+        m_networkState = EMPTY;
+        m_readyState = DATA_UNAVAILABLE;
+        m_paused = true;
+        m_seeking = false;
+        if (m_player) {
+            m_player->pause();
+            m_player->seek(0);
+        }
+        m_currentLoop = 0;
+        dispatchEventForType(eventNames().emptiedEvent, false, true);
+        if (m_loadNestingLevel < m_terminateLoadBelowNestingLevel)
+            goto end;
+    }
+    
+    // 6
+    mediaSrc = pickMedia();
+    if (mediaSrc.isEmpty()) {
+        ec = INVALID_STATE_ERR;
+        goto end;
+    }
+    
+    // 7
+    m_networkState = LOADING;
+    
+    // 8
+    m_currentSrc = mediaSrc;
+    
+    // 9
+    m_begun = true;        
+    dispatchProgressEvent(eventNames().loadstartEvent, false, 0, 0);
+    if (m_loadNestingLevel < m_terminateLoadBelowNestingLevel)
+        goto end;
+    
+    // 10, 11, 12, 13
+    m_player.clear();
+    m_player.set(new MediaPlayer(this));
+    updateVolume();
+    m_player->load(m_currentSrc);
+    if (m_loadNestingLevel < m_terminateLoadBelowNestingLevel)
+        goto end;
+    
+    if (renderer())
+        renderer()->updateFromElement();
+    
+    // 14
+    m_previousProgressTime = WebCore::currentTime();
+    m_previousProgress = 0;
+    if (m_begun)
+        // 350ms is not magic, it is in the spec!
+        m_progressEventTimer.startRepeating(0.350);
+end:
+    ASSERT(m_loadNestingLevel);
+    m_loadNestingLevel--;
+}
+
+void HTMLMediaElement::mediaPlayerNetworkStateChanged(MediaPlayer*)
+{
+    if (!m_begun || m_networkState == EMPTY)
+        return;
+    
+    m_terminateLoadBelowNestingLevel = m_loadNestingLevel;
+
+    MediaPlayer::NetworkState state = m_player->networkState();
+    
+    // 3.14.9.4. Loading the media resource
+    // 14
+    if (state == MediaPlayer::LoadFailed) {
+        //delete m_player;
+        //m_player = 0;
+        // FIXME better error handling
+        m_error = MediaError::create(MediaError::MEDIA_ERR_NETWORK);
+        m_begun = false;
+        m_progressEventTimer.stop();
+        m_bufferingRate = 0;
+        
+        initAndDispatchProgressEvent(eventNames().errorEvent); 
+        if (m_loadNestingLevel < m_terminateLoadBelowNestingLevel)
+            return;
+        
+        m_networkState = EMPTY;
+        
+        if (isVideo())
+            static_cast<HTMLVideoElement*>(this)->updatePosterImage();
+
+        dispatchEventForType(eventNames().emptiedEvent, false, true);
+        return;
+    }
+    
+    if (state >= MediaPlayer::Loading && m_networkState < LOADING)
+        m_networkState = LOADING;
+    
+    if (state >= MediaPlayer::LoadedMetaData && m_networkState < LOADED_METADATA) {
+        m_player->seek(effectiveStart());
+        m_networkState = LOADED_METADATA;
+        
+        dispatchEventForType(eventNames().durationchangeEvent, false, true);
+        if (m_loadNestingLevel < m_terminateLoadBelowNestingLevel)
+            return;
+        
+        dispatchEventForType(eventNames().loadedmetadataEvent, false, true);
+        if (m_loadNestingLevel < m_terminateLoadBelowNestingLevel)
+            return;
+    }
+    
+    if (state >= MediaPlayer::LoadedFirstFrame && m_networkState < LOADED_FIRST_FRAME) {
+        m_networkState = LOADED_FIRST_FRAME;
+        
+        setReadyState(CAN_SHOW_CURRENT_FRAME);
+        
+        if (isVideo())
+            static_cast<HTMLVideoElement*>(this)->updatePosterImage();
+        
+        if (m_loadNestingLevel < m_terminateLoadBelowNestingLevel)
+            return;
+        
+        m_loadedFirstFrame = true;
+        if (renderer()) {
+            ASSERT(!renderer()->isImage());
+            static_cast<RenderVideo*>(renderer())->videoSizeChanged();
+        }
+        
+        dispatchEventForType(eventNames().loadedfirstframeEvent, false, true);
+        if (m_loadNestingLevel < m_terminateLoadBelowNestingLevel)
+            return;
+        
+        dispatchEventForType(eventNames().canshowcurrentframeEvent, false, true);
+        if (m_loadNestingLevel < m_terminateLoadBelowNestingLevel)
+            return;
+    }
+    
+    // 15
+    if (state == MediaPlayer::Loaded && m_networkState < LOADED) {
+        m_begun = false;
+        m_networkState = LOADED;
+        m_progressEventTimer.stop();
+        m_bufferingRate = 0;
+        initAndDispatchProgressEvent(eventNames().loadEvent); 
+    }
+}
+
+void HTMLMediaElement::mediaPlayerReadyStateChanged(MediaPlayer*)
+{
+    MediaPlayer::ReadyState state = m_player->readyState();
+    setReadyState((ReadyState)state);
+}
+
+void HTMLMediaElement::setReadyState(ReadyState state)
+{
+    // 3.14.9.6. The ready states
+    if (m_readyState == state)
+        return;
+    
+    bool wasActivelyPlaying = activelyPlaying();
+    m_readyState = state;
+    
+    if (state >= CAN_PLAY)
+        m_seeking = false;
+    
+    if (networkState() == EMPTY)
+        return;
+    
+    if (state == DATA_UNAVAILABLE) {
+        dispatchEventForType(eventNames().dataunavailableEvent, false, true);
+        if (wasActivelyPlaying) {
+            dispatchEventForType(eventNames().timeupdateEvent, false, true);
+            dispatchEventForType(eventNames().waitingEvent, false, true);
+        }
+    } else if (state == CAN_SHOW_CURRENT_FRAME) {
+        if (m_loadedFirstFrame)
+            dispatchEventForType(eventNames().canshowcurrentframeEvent, false, true);
+        if (wasActivelyPlaying) {
+            dispatchEventForType(eventNames().timeupdateEvent, false, true);
+            dispatchEventForType(eventNames().waitingEvent, false, true);
+        }
+    } else if (state == CAN_PLAY) {
+        dispatchEventForType(eventNames().canplayEvent, false, true);
+    } else if (state == CAN_PLAY_THROUGH) {
+        dispatchEventForType(eventNames().canplaythroughEvent, false, true);
+        if (m_autoplaying && m_paused && autoplay()) {
+            m_paused = false;
+            dispatchEventForType(eventNames().playEvent, false, true);
+        }
+    }
+    updatePlayState();
+}
+
+void HTMLMediaElement::progressEventTimerFired(Timer<HTMLMediaElement>*)
+{
+    ASSERT(m_player);
+    unsigned progress = m_player->bytesLoaded();
+    double time = WebCore::currentTime();
+    double timedelta = time - m_previousProgressTime;
+    if (timedelta)
+        m_bufferingRate = (float)(0.8 * m_bufferingRate + 0.2 * ((float)(progress - m_previousProgress)) / timedelta);
+    
+    if (progress == m_previousProgress) {
+        if (timedelta > 3.0 && !m_sentStalledEvent) {
+            m_bufferingRate = 0;
+            initAndDispatchProgressEvent(eventNames().stalledEvent);
+            m_sentStalledEvent = true;
+        }
+    } else {
+        initAndDispatchProgressEvent(eventNames().progressEvent);
+        m_previousProgress = progress;
+        m_previousProgressTime = time;
+        m_sentStalledEvent = false;
+    }
+}
+
+void HTMLMediaElement::seek(float time, ExceptionCode& ec)
+{
+    // 3.14.9.8. Seeking
+    // 1
+    if (networkState() < LOADED_METADATA) {
+        ec = INVALID_STATE_ERR;
+        return;
+    }
+    
+    // 2
+    float minTime;
+    if (currentLoop() == 0)
+        minTime = effectiveStart();
+    else
+        minTime = effectiveLoopStart();
+ 
+    // 3
+    float maxTime = currentLoop() == playCount() - 1 ? effectiveEnd() : effectiveLoopEnd();
+    
+    // 4
+    time = min(time, maxTime);
+    
+    // 5
+    time = max(time, minTime);
+    
+    // 6
+    RefPtr<TimeRanges> seekableRanges = seekable();
+    if (!seekableRanges->contain(time)) {
+        ec = INDEX_SIZE_ERR;
+        return;
+    }
+    
+    // 7
+    m_currentTimeDuringSeek = time;
+
+    // 8
+    m_seeking = true;
+    
+    // 9
+    dispatchEventForType(eventNames().timeupdateEvent, false, true);
+    
+    // 10
+    // As soon as the user agent has established whether or not the media data for the new playback position is available, 
+    // and, if it is, decoded enough data to play back that position, the seeking DOM attribute must be set to false.
+    if (m_player) {
+        m_player->setEndTime(maxTime);
+        m_player->seek(time);
+    }
+}
+
+HTMLMediaElement::ReadyState HTMLMediaElement::readyState() const
+{
+    return m_readyState;
+}
+
+bool HTMLMediaElement::seeking() const
+{
+    return m_seeking;
+}
+
+// playback state
+float HTMLMediaElement::currentTime() const
+{
+    if (!m_player)
+        return 0;
+    if (m_seeking)
+        return m_currentTimeDuringSeek;
+    return m_player->currentTime();
+}
+
+void HTMLMediaElement::setCurrentTime(float time, ExceptionCode& ec)
+{
+    seek(time, ec);
+}
+
+float HTMLMediaElement::duration() const
+{
+    return m_player ? m_player->duration() : 0;
+}
+
+bool HTMLMediaElement::paused() const
+{
+    return m_paused;
+}
+
+float HTMLMediaElement::defaultPlaybackRate() const
+{
+    return m_defaultPlaybackRate;
+}
+
+void HTMLMediaElement::setDefaultPlaybackRate(float rate, ExceptionCode& ec)
+{
+    if (rate == 0.0f) {
+        ec = NOT_SUPPORTED_ERR;
+        return;
+    }
+    if (m_defaultPlaybackRate != rate) {
+        m_defaultPlaybackRate = rate;
+        dispatchEventAsync(eventNames().ratechangeEvent);
+    }
+}
+
+float HTMLMediaElement::playbackRate() const
+{
+    return m_player ? m_player->rate() : 0;
+}
+
+void HTMLMediaElement::setPlaybackRate(float rate, ExceptionCode& ec)
+{
+    if (rate == 0.0f) {
+        ec = NOT_SUPPORTED_ERR;
+        return;
+    }
+    if (m_player && m_player->rate() != rate) {
+        m_player->setRate(rate);
+        dispatchEventAsync(eventNames().ratechangeEvent);
+    }
+}
+
+bool HTMLMediaElement::ended() const
+{
+    return endedPlayback();
+}
+
+bool HTMLMediaElement::autoplay() const
+{
+    return hasAttribute(autoplayAttr);
+}
+
+void HTMLMediaElement::setAutoplay(bool b)
+{
+    setBooleanAttribute(autoplayAttr, b);
+}
+
+void HTMLMediaElement::play(ExceptionCode& ec)
+{
+    // 3.14.9.7. Playing the media resource
+    if (!m_player || networkState() == EMPTY) {
+        ec = 0;
+        load(ec);
+        if (ec)
+            return;
+    }
+    ExceptionCode unused;
+    if (endedPlayback()) {
+        m_currentLoop = 0;
+        seek(effectiveStart(), unused);
+    }
+    setPlaybackRate(defaultPlaybackRate(), unused);
+    
+    if (m_paused) {
+        m_paused = false;
+        dispatchEventAsync(eventNames().playEvent);
+    }
+
+    m_autoplaying = false;
+    
+    updatePlayState();
+}
+
+void HTMLMediaElement::pause(ExceptionCode& ec)
+{
+    // 3.14.9.7. Playing the media resource
+    if (!m_player || networkState() == EMPTY) {
+        ec = 0;
+        load(ec);
+        if (ec)
+            return;
+    }
+
+    if (!m_paused) {
+        m_paused = true;
+        dispatchEventAsync(eventNames().timeupdateEvent);
+        dispatchEventAsync(eventNames().pauseEvent);
+    }
+
+    m_autoplaying = false;
+    
+    updatePlayState();
+}
+
+unsigned HTMLMediaElement::playCount() const
+{
+    bool ok;
+    unsigned count = getAttribute(playcountAttr).string().toUInt(&ok);
+    return (count > 0 && ok) ? count : 1; 
+}
+
+void HTMLMediaElement::setPlayCount(unsigned count, ExceptionCode& ec)
+{
+    if (!count) {
+        ec = INDEX_SIZE_ERR;
+        return;
+    }
+    setAttribute(playcountAttr, String::number(count));
+    checkIfSeekNeeded();
+}
+
+float HTMLMediaElement::start() const 
+{ 
+    return getTimeOffsetAttribute(startAttr, 0); 
+}
+
+void HTMLMediaElement::setStart(float time) 
+{ 
+    setTimeOffsetAttribute(startAttr, time); 
+    checkIfSeekNeeded();
+}
+
+float HTMLMediaElement::end() const 
+{ 
+    return getTimeOffsetAttribute(endAttr, std::numeric_limits<float>::infinity()); 
+}
+
+void HTMLMediaElement::setEnd(float time) 
+{ 
+    setTimeOffsetAttribute(endAttr, time); 
+    checkIfSeekNeeded();
+}
+
+float HTMLMediaElement::loopStart() const 
+{ 
+    return getTimeOffsetAttribute(loopstartAttr, start()); 
+}
+
+void HTMLMediaElement::setLoopStart(float time) 
+{
+    setTimeOffsetAttribute(loopstartAttr, time); 
+    checkIfSeekNeeded();
+}
+
+float HTMLMediaElement::loopEnd() const 
+{ 
+    return getTimeOffsetAttribute(loopendAttr, end()); 
+}
+
+void HTMLMediaElement::setLoopEnd(float time) 
+{ 
+    setTimeOffsetAttribute(loopendAttr, time); 
+    checkIfSeekNeeded();
+}
+
+unsigned HTMLMediaElement::currentLoop() const
+{
+    return m_currentLoop;
+}
+
+void HTMLMediaElement::setCurrentLoop(unsigned currentLoop)
+{
+    m_currentLoop = currentLoop;
+}
+
+bool HTMLMediaElement::controls() const
+{
+    return hasAttribute(controlsAttr);
+}
+
+void HTMLMediaElement::setControls(bool b)
+{
+    setBooleanAttribute(controlsAttr, b);
+}
+
+float HTMLMediaElement::volume() const
+{
+    return m_volume;
+}
+
+void HTMLMediaElement::setVolume(float vol, ExceptionCode& ec)
+{
+    if (vol < 0.0f || vol > 1.0f) {
+        ec = INDEX_SIZE_ERR;
+        return;
+    }
+    
+    if (m_volume != vol) {
+        m_volume = vol;
+        updateVolume();
+        dispatchEventAsync(eventNames().volumechangeEvent);
+    }
+}
+
+bool HTMLMediaElement::muted() const
+{
+    return m_muted;
+}
+
+void HTMLMediaElement::setMuted(bool muted)
+{
+    if (m_muted != muted) {
+        m_muted = muted;
+        updateVolume();
+        dispatchEventAsync(eventNames().volumechangeEvent);
+    }
+}
+
+bool HTMLMediaElement::canPlay() const
+{
+    return paused() || ended() || networkState() < LOADED_METADATA;
+}
+
+String HTMLMediaElement::pickMedia()
+{
+    // 3.14.9.2. Location of the media resource
+    String mediaSrc = getAttribute(srcAttr);
+    if (mediaSrc.isEmpty()) {
+        for (Node* n = firstChild(); n; n = n->nextSibling()) {
+            if (n->hasTagName(sourceTag)) {
+                HTMLSourceElement* source = static_cast<HTMLSourceElement*>(n);
+                if (!source->hasAttribute(srcAttr))
+                    continue; 
+                if (source->hasAttribute(mediaAttr)) {
+                    MediaQueryEvaluator screenEval("screen", document()->frame(), renderer() ? renderer()->style() : 0);
+                    RefPtr<MediaList> media = MediaList::createAllowingDescriptionSyntax(source->media());
+                    if (!screenEval.eval(media.get()))
+                        continue;
+                }
+                if (source->hasAttribute(typeAttr)) {
+                    String type = source->type().stripWhiteSpace();
+
+                    // "type" can have parameters after a semi-colon, strip them before checking with the type registry
+                    int semi = type.find(';');
+                    if (semi != -1)
+                        type = type.left(semi).stripWhiteSpace();
+
+                    if (!MIMETypeRegistry::isSupportedMediaMIMEType(type))
+                        continue;
+                }
+                mediaSrc = source->src().string();
+                break;
+            }
+        }
+    }
+    if (!mediaSrc.isEmpty())
+        mediaSrc = document()->completeURL(mediaSrc).string();
+    return mediaSrc;
+}
+
+void HTMLMediaElement::checkIfSeekNeeded()
+{
+    // 3.14.9.5. Offsets into the media resource
+    // 1
+    if (playCount() <= m_currentLoop)
+        m_currentLoop = playCount() - 1;
+    
+    // 2
+    if (networkState() <= LOADING)
+        return;
+    
+    // 3
+    ExceptionCode ec;
+    float time = currentTime();
+    if (!m_currentLoop && time < effectiveStart())
+        seek(effectiveStart(), ec);
+
+    // 4
+    if (m_currentLoop && time < effectiveLoopStart())
+        seek(effectiveLoopStart(), ec);
+        
+    // 5
+    if (m_currentLoop < playCount() - 1 && time > effectiveLoopEnd()) {
+        seek(effectiveLoopStart(), ec);
+        m_currentLoop++;
+    }
+    
+    // 6
+    if (m_currentLoop == playCount() - 1 && time > effectiveEnd())
+        seek(effectiveEnd(), ec);
+
+    updatePlayState();
+}
+
+void HTMLMediaElement::mediaPlayerTimeChanged(MediaPlayer*)
+{
+    if (readyState() >= CAN_PLAY)
+        m_seeking = false;
+    
+    if (m_currentLoop < playCount() - 1 && currentTime() >= effectiveLoopEnd()) {
+        ExceptionCode ec;
+        seek(effectiveLoopStart(), ec);
+        m_currentLoop++;
+        dispatchEventForType(eventNames().timeupdateEvent, false, true);
+    }
+    
+    if (m_currentLoop == playCount() - 1 && currentTime() >= effectiveEnd()) {
+        dispatchEventForType(eventNames().timeupdateEvent, false, true);
+        dispatchEventForType(eventNames().endedEvent, false, true);
+    }
+
+    updatePlayState();
+}
+
+void HTMLMediaElement::mediaPlayerRepaint(MediaPlayer*)
+{
+    if (renderer())
+        renderer()->repaint();
+}
+
+PassRefPtr<TimeRanges> HTMLMediaElement::buffered() const
+{
+    // FIXME real ranges support
+    if (!m_player || !m_player->maxTimeBuffered())
+        return TimeRanges::create();
+    return TimeRanges::create(0, m_player->maxTimeBuffered());
+}
+
+PassRefPtr<TimeRanges> HTMLMediaElement::played() const
+{
+    // FIXME track played
+    return TimeRanges::create();
+}
+
+PassRefPtr<TimeRanges> HTMLMediaElement::seekable() const
+{
+    // FIXME real ranges support
+    if (!m_player || !m_player->maxTimeSeekable())
+        return TimeRanges::create();
+    return TimeRanges::create(0, m_player->maxTimeSeekable());
+}
+
+float HTMLMediaElement::effectiveStart() const
+{
+    if (!m_player)
+        return 0;
+    return min(start(), m_player->duration());
+}
+
+float HTMLMediaElement::effectiveEnd() const
+{
+    if (!m_player)
+        return 0;
+    return min(max(end(), max(start(), loopStart())), m_player->duration());
+}
+
+float HTMLMediaElement::effectiveLoopStart() const
+{
+    if (!m_player)
+        return 0;
+    return min(loopStart(), m_player->duration());
+}
+
+float HTMLMediaElement::effectiveLoopEnd() const
+{
+    if (!m_player)
+        return 0;
+    return min(max(start(), max(loopStart(), loopEnd())), m_player->duration());
+}
+
+bool HTMLMediaElement::activelyPlaying() const
+{
+    return !paused() && readyState() >= CAN_PLAY && !endedPlayback(); // && !stoppedDueToErrors() && !pausedForUserInteraction();
+}
+
+bool HTMLMediaElement::endedPlayback() const
+{
+    return networkState() >= LOADED_METADATA && currentTime() >= effectiveEnd() && currentLoop() == playCount() - 1;
+}
+    
+void HTMLMediaElement::updateVolume()
+{
+    if (!m_player)
+        return;
+
+    Page* page = document()->page();
+    float volumeMultiplier = page ? page->mediaVolume() : 1;
+
+    m_player->setVolume(m_muted ? 0 : m_volume * volumeMultiplier);
+    
+    if (renderer())
+        renderer()->updateFromElement();
+}
+
+void HTMLMediaElement::updatePlayState()
+{
+    if (!m_player)
+        return;
+    
+    if (m_pausedInternal) {
+        if (!m_player->paused())
+            m_player->pause();
+        return;
+    }
+    
+    m_player->setEndTime(currentLoop() == playCount() - 1 ? effectiveEnd() : effectiveLoopEnd());
+
+    bool shouldBePlaying = activelyPlaying() && currentTime() < effectiveEnd();
+    if (shouldBePlaying && m_player->paused())
+        m_player->play();
+    else if (!shouldBePlaying && !m_player->paused())
+        m_player->pause();
+    
+    if (renderer())
+        renderer()->updateFromElement();
+}
+    
+void HTMLMediaElement::setPausedInternal(bool b)
+{
+    m_pausedInternal = b;
+    updatePlayState();
+}
+
+void HTMLMediaElement::documentWillBecomeInactive()
+{
+    // 3.14.9.4. Loading the media resource
+    // 14
+    if (m_begun) {
+        // For simplicity cancel the incomplete load by deleting the player
+        m_player.clear();
+        m_progressEventTimer.stop();
+
+        m_error = MediaError::create(MediaError::MEDIA_ERR_ABORTED);
+        m_begun = false;
+        initAndDispatchProgressEvent(eventNames().abortEvent);
+        if (m_networkState >= LOADING) {
+            m_networkState = EMPTY;
+            m_readyState = DATA_UNAVAILABLE;
+            dispatchEventForType(eventNames().emptiedEvent, false, true);
+        }
+    }
+    m_inActiveDocument = false;
+    // Stop the playback without generating events
+    setPausedInternal(true);
+
+    if (renderer())
+        renderer()->updateFromElement();
+}
+
+void HTMLMediaElement::documentDidBecomeActive()
+{
+    m_inActiveDocument = true;
+    setPausedInternal(false);
+
+    if (m_error && m_error->code() == MediaError::MEDIA_ERR_ABORTED) {
+        // Restart the load if it was aborted in the middle by moving the document to the page cache.
+        // This behavior is not specified but it seems like a sensible thing to do.
+        ExceptionCode ec;
+        load(ec);
+    }
+        
+    if (renderer())
+        renderer()->updateFromElement();
+}
+
+void HTMLMediaElement::mediaVolumeDidChange()
+{
+    updateVolume();
+}
+
+void HTMLMediaElement::defaultEventHandler(Event* event)
+{
+    if (renderer() && renderer()->isMedia())
+        static_cast<RenderMedia*>(renderer())->forwardEvent(event);
+    if (event->defaultHandled())
+        return;
+    HTMLElement::defaultEventHandler(event);
+}
+
+}
+
+#endif