summaryrefslogtreecommitdiffstats
path: root/WebCore/html/HTMLMediaElement.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'WebCore/html/HTMLMediaElement.cpp')
-rw-r--r--WebCore/html/HTMLMediaElement.cpp1062
1 files changed, 0 insertions, 1062 deletions
diff --git a/WebCore/html/HTMLMediaElement.cpp b/WebCore/html/HTMLMediaElement.cpp
deleted file mode 100644
index f86c44d..0000000
--- a/WebCore/html/HTMLMediaElement.cpp
+++ /dev/null
@@ -1,1062 +0,0 @@
-/*
- * 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 "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);
-}
-
-HTMLMediaElement::~HTMLMediaElement()
-{
- document()->unregisterForDocumentActivationCallbacks(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;
-
- m_player->setVolume(m_muted ? 0 : m_volume);
-
- 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::defaultEventHandler(Event* event)
-{
- if (renderer() && renderer()->isMedia())
- static_cast<RenderMedia*>(renderer())->forwardEvent(event);
- if (event->defaultHandled())
- return;
- HTMLElement::defaultEventHandler(event);
-}
-
-}
-
-#endif
generated by cgit v1.1 at 2025-06-10 04:48:26 +0000