Source/WebCore/html/shadow/MediaControlRootElement.cpp - platform/external/webkit - Git at Google

 /*
  * Copyright (C) 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2011 Google 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 "MediaControlRootElement.h"

 #include "MediaControlElements.h"
 #include "Page.h"
 #include "RenderTheme.h"

 using namespace std;

 namespace WebCore {

 MediaControlRootElement::MediaControlRootElement(HTMLMediaElement* mediaElement)
     : MediaControls(mediaElement)
     , m_mediaElement(mediaElement)
     , m_rewindButton(0)
     , m_playButton(0)
     , m_returnToRealTimeButton(0)
     , m_statusDisplay(0)
     , m_currentTimeDisplay(0)
     , m_timeline(0)
     , m_timeRemainingDisplay(0)
     , m_timelineContainer(0)
     , m_seekBackButton(0)
     , m_seekForwardButton(0)
     , m_toggleClosedCaptionsButton(0)
     , m_panelMuteButton(0)
     , m_volumeSlider(0)
     , m_volumeSliderMuteButton(0)
     , m_volumeSliderContainer(0)
     , m_fullScreenButton(0)
     , m_fullScreenMinVolumeButton(0)
     , m_fullScreenVolumeSlider(0)
     , m_fullScreenMaxVolumeButton(0)
     , m_panel(0)
     , m_opaque(true)
 {
 }

 PassRefPtr<MediaControls> MediaControls::create(HTMLMediaElement* mediaElement)
 {
     return MediaControlRootElement::create(mediaElement);
 }

 PassRefPtr<MediaControlRootElement> MediaControlRootElement::create(HTMLMediaElement* mediaElement)
 {
     if (!mediaElement->document()->page())
         return 0;

     RefPtr<MediaControlRootElement> controls = adoptRef(new MediaControlRootElement(mediaElement));

     RefPtr<MediaControlPanelElement> panel = MediaControlPanelElement::create(mediaElement);

     ExceptionCode ec;

     RefPtr<MediaControlRewindButtonElement> rewindButton = MediaControlRewindButtonElement::create(mediaElement);
     controls->m_rewindButton = rewindButton.get();
     panel->appendChild(rewindButton.release(), ec, true);
     if (ec)
         return 0;

     RefPtr<MediaControlPlayButtonElement> playButton = MediaControlPlayButtonElement::create(mediaElement);
     controls->m_playButton = playButton.get();
     panel->appendChild(playButton.release(), ec, true);
     if (ec)
         return 0;

     RefPtr<MediaControlReturnToRealtimeButtonElement> returnToRealtimeButton = MediaControlReturnToRealtimeButtonElement::create(mediaElement);
     controls->m_returnToRealTimeButton = returnToRealtimeButton.get();
     panel->appendChild(returnToRealtimeButton.release(), ec, true);
     if (ec)
         return 0;

     if (mediaElement->document()->page()->theme()->usesMediaControlStatusDisplay()) {
         RefPtr<MediaControlStatusDisplayElement> statusDisplay = MediaControlStatusDisplayElement::create(mediaElement);
         controls->m_statusDisplay = statusDisplay.get();
         panel->appendChild(statusDisplay.release(), ec, true);
         if (ec)
             return 0;
     }

     RefPtr<MediaControlTimelineContainerElement> timelineContainer = MediaControlTimelineContainerElement::create(mediaElement);

     RefPtr<MediaControlCurrentTimeDisplayElement> currentTimeDisplay = MediaControlCurrentTimeDisplayElement::create(mediaElement);
     controls->m_currentTimeDisplay = currentTimeDisplay.get();
     timelineContainer->appendChild(currentTimeDisplay.release(), ec, true);
     if (ec)
         return 0;

     RefPtr<MediaControlTimelineElement> timeline = MediaControlTimelineElement::create(mediaElement, controls.get());
     controls->m_timeline = timeline.get();
     timelineContainer->appendChild(timeline.release(), ec, true);
     if (ec)
         return 0;

     RefPtr<MediaControlTimeRemainingDisplayElement> timeRemainingDisplay = MediaControlTimeRemainingDisplayElement::create(mediaElement);
     controls->m_timeRemainingDisplay = timeRemainingDisplay.get();
     timelineContainer->appendChild(timeRemainingDisplay.release(), ec, true);
     if (ec)
         return 0;

     controls->m_timelineContainer = timelineContainer.get();
     panel->appendChild(timelineContainer.release(), ec, true);
     if (ec)
         return 0;

 #if !PLATFORM(ANDROID)
     // FIXME: Only create when needed <http://webkit.org/b/57163>
     RefPtr<MediaControlSeekBackButtonElement> seekBackButton = MediaControlSeekBackButtonElement::create(mediaElement);
     controls->m_seekBackButton = seekBackButton.get();
     panel->appendChild(seekBackButton.release(), ec, true);
     if (ec)
         return 0;

     // FIXME: Only create when needed <http://webkit.org/b/57163>
     RefPtr<MediaControlSeekForwardButtonElement> seekForwardButton = MediaControlSeekForwardButtonElement::create(mediaElement);
     controls->m_seekForwardButton = seekForwardButton.get();
     panel->appendChild(seekForwardButton.release(), ec, true);
     if (ec)
         return 0;
 #endif

     if (mediaElement->document()->page()->theme()->supportsClosedCaptioning()) {
         RefPtr<MediaControlToggleClosedCaptionsButtonElement> toggleClosedCaptionsButton = MediaControlToggleClosedCaptionsButtonElement::create(mediaElement);
         controls->m_toggleClosedCaptionsButton = toggleClosedCaptionsButton.get();
         panel->appendChild(toggleClosedCaptionsButton.release(), ec, true);
         if (ec)
             return 0;
     }

     // FIXME: Only create when needed <http://webkit.org/b/57163>
     RefPtr<MediaControlFullscreenButtonElement> fullScreenButton = MediaControlFullscreenButtonElement::create(mediaElement, controls.get());
     controls->m_fullScreenButton = fullScreenButton.get();
     panel->appendChild(fullScreenButton.release(), ec, true);

     RefPtr<MediaControlPanelMuteButtonElement> panelMuteButton = MediaControlPanelMuteButtonElement::create(mediaElement, controls.get());
     controls->m_panelMuteButton = panelMuteButton.get();
     panel->appendChild(panelMuteButton.release(), ec, true);
     if (ec)
         return 0;

     if (mediaElement->document()->page()->theme()->usesMediaControlVolumeSlider()) {
         RefPtr<MediaControlVolumeSliderContainerElement> volumeSliderContainer = MediaControlVolumeSliderContainerElement::create(mediaElement);

         RefPtr<MediaControlVolumeSliderElement> slider = MediaControlVolumeSliderElement::create(mediaElement);
         controls->m_volumeSlider = slider.get();
         volumeSliderContainer->appendChild(slider.release(), ec, true);
         if (ec)
             return 0;

         RefPtr<MediaControlVolumeSliderMuteButtonElement> volumeSliderMuteButton = MediaControlVolumeSliderMuteButtonElement::create(mediaElement);
         controls->m_volumeSliderMuteButton = volumeSliderMuteButton.get();
         volumeSliderContainer->appendChild(volumeSliderMuteButton.release(), ec, true);
         if (ec)
             return 0;

         controls->m_volumeSliderContainer = volumeSliderContainer.get();
         panel->appendChild(volumeSliderContainer.release(), ec, true);
         if (ec)
             return 0;
     }

     // FIXME: Only create when needed <http://webkit.org/b/57163>
     RefPtr<MediaControlFullscreenVolumeMinButtonElement> fullScreenMinVolumeButton = MediaControlFullscreenVolumeMinButtonElement::create(mediaElement);
     controls->m_fullScreenMinVolumeButton = fullScreenMinVolumeButton.get();
     panel->appendChild(fullScreenMinVolumeButton.release(), ec, true);
     if (ec)
         return 0;

     RefPtr<MediaControlFullscreenVolumeSliderElement> fullScreenVolumeSlider = MediaControlFullscreenVolumeSliderElement::create(mediaElement);
     controls->m_fullScreenVolumeSlider = fullScreenVolumeSlider.get();
     panel->appendChild(fullScreenVolumeSlider.release(), ec, true);
     if (ec)
         return 0;

     RefPtr<MediaControlFullscreenVolumeMaxButtonElement> fullScreenMaxVolumeButton = MediaControlFullscreenVolumeMaxButtonElement::create(mediaElement);
     controls->m_fullScreenMaxVolumeButton = fullScreenMaxVolumeButton.get();
     panel->appendChild(fullScreenMaxVolumeButton.release(), ec, true);
     if (ec)
         return 0;

     controls->m_panel = panel.get();
     controls->appendChild(panel.release(), ec, true);
     if (ec)
         return 0;

     return controls.release();
 }

 void MediaControlRootElement::show()
 {
     m_panel->show();
 }

 void MediaControlRootElement::hide()
 {
     m_panel->hide();
 }

 static const String& webkitTransitionString()
 {
     DEFINE_STATIC_LOCAL(String, s, ("-webkit-transition"));
     return s;
 }

 static const String& opacityString()
 {
     DEFINE_STATIC_LOCAL(String, s, ("opacity"));
     return s;
 }

 void MediaControlRootElement::makeOpaque()
 {
     if (m_opaque)
         return;

     DEFINE_STATIC_LOCAL(String, transitionValue, ());
     if (transitionValue.isNull())
         transitionValue = String::format("opacity %.1gs", document()->page()->theme()->mediaControlsFadeInDuration());
     DEFINE_STATIC_LOCAL(String, opacityValue, ("1"));

     ExceptionCode ec;
     // FIXME: Make more efficient <http://webkit.org/b/58157>
     m_panel->style()->setProperty(webkitTransitionString(), transitionValue, ec);
     m_panel->style()->setProperty(opacityString(), opacityValue, ec);
     m_opaque = true;
 }

 void MediaControlRootElement::makeTransparent()
 {
     if (!m_opaque)
         return;

     DEFINE_STATIC_LOCAL(String, transitionValue, ());
     if (transitionValue.isNull())
         transitionValue = String::format("opacity %.1gs", document()->page()->theme()->mediaControlsFadeOutDuration());
     DEFINE_STATIC_LOCAL(String, opacityValue, ("0"));

     ExceptionCode ec;
     // FIXME: Make more efficient <http://webkit.org/b/58157>
     m_panel->style()->setProperty(webkitTransitionString(), transitionValue, ec);
     m_panel->style()->setProperty(opacityString(), opacityValue, ec);
     m_opaque = false;
 }

 void MediaControlRootElement::reset()
 {
     Page* page = document()->page();
     if (!page)
         return;

     changedNetworkState();

     if (m_mediaElement->supportsFullscreen())
         m_fullScreenButton->show();
     else
         m_fullScreenButton->hide();

     float duration = m_mediaElement->duration();
     if (isfinite(duration) || page->theme()->hasOwnDisabledStateHandlingFor(MediaSliderPart)) {
         m_timeline->setDuration(duration);
         m_timelineContainer->show();
         m_timeline->setPosition(m_mediaElement->currentTime());
         updateTimeDisplay();
     } else
         m_timelineContainer->hide();

     if (m_mediaElement->hasAudio() || page->theme()->hasOwnDisabledStateHandlingFor(MediaMuteButtonPart))
         m_panelMuteButton->show();
     else
         m_panelMuteButton->hide();

     if (m_volumeSlider)
         m_volumeSlider->setVolume(m_mediaElement->volume());

     if (m_toggleClosedCaptionsButton) {
         if (m_mediaElement->hasClosedCaptions())
             m_toggleClosedCaptionsButton->show();
         else
             m_toggleClosedCaptionsButton->hide();
     }

     if (m_mediaElement->movieLoadType() != MediaPlayer::LiveStream) {
         m_returnToRealTimeButton->hide();
         m_rewindButton->show();
     } else {
         m_returnToRealTimeButton->show();
         m_rewindButton->hide();
     }

     makeOpaque();
 }

 void MediaControlRootElement::playbackStarted()
 {
     m_playButton->updateDisplayType();
     m_timeline->setPosition(m_mediaElement->currentTime());
     updateTimeDisplay();
 }

 void MediaControlRootElement::playbackProgressed()
 {
     m_timeline->setPosition(m_mediaElement->currentTime());
     updateTimeDisplay();
 }

 void MediaControlRootElement::playbackStopped()
 {
     m_playButton->updateDisplayType();
     m_timeline->setPosition(m_mediaElement->currentTime());
     updateTimeDisplay();
     makeOpaque();
 }

 void MediaControlRootElement::updateTimeDisplay()
 {
     float now = m_mediaElement->currentTime();
     float duration = m_mediaElement->duration();

     Page* page = document()->page();
     if (!page)
         return;

     // Allow the theme to format the time.
     ExceptionCode ec;
     m_currentTimeDisplay->setInnerText(page->theme()->formatMediaControlsCurrentTime(now, duration), ec);
     m_currentTimeDisplay->setCurrentValue(now);
     m_timeRemainingDisplay->setInnerText(page->theme()->formatMediaControlsRemainingTime(now, duration), ec);
     m_timeRemainingDisplay->setCurrentValue(now - duration);
 }

 void MediaControlRootElement::reportedError()
 {
     Page* page = document()->page();
     if (!page)
         return;

     if (!page->theme()->hasOwnDisabledStateHandlingFor(MediaSliderPart))
         m_timelineContainer->hide();

     if (!page->theme()->hasOwnDisabledStateHandlingFor(MediaMuteButtonPart))
         m_panelMuteButton->hide();

      m_fullScreenButton->hide();

     if (m_volumeSliderContainer)
         m_volumeSliderContainer->hide();
     if (m_toggleClosedCaptionsButton && !page->theme()->hasOwnDisabledStateHandlingFor(MediaToggleClosedCaptionsButtonPart))
         m_toggleClosedCaptionsButton->hide();
 }

 void MediaControlRootElement::changedNetworkState()
 {
     if (m_statusDisplay)
         m_statusDisplay->update();
 }

 void MediaControlRootElement::loadedMetadata()
 {
     if (m_statusDisplay)
         m_statusDisplay->hide();

     reset();
 }

 void MediaControlRootElement::changedClosedCaptionsVisibility()
 {
     if (m_toggleClosedCaptionsButton)
         m_toggleClosedCaptionsButton->updateDisplayType();
 }

 void MediaControlRootElement::changedMute()
 {
     m_panelMuteButton->changedMute();
     if (m_volumeSliderMuteButton)
         m_volumeSliderMuteButton->changedMute();
 }

 void MediaControlRootElement::changedVolume()
 {
     if (m_volumeSlider)
         m_volumeSlider->setVolume(m_mediaElement->volume());
 }

 void MediaControlRootElement::enteredFullscreen()
 {
     if (m_mediaElement->movieLoadType() == MediaPlayer::LiveStream || m_mediaElement->movieLoadType() == MediaPlayer::StoredStream) {
 #if !PLATFORM(ANDROID)
         m_seekBackButton->hide();
         m_seekForwardButton->hide();
 #endif
     } else
         m_rewindButton->hide();
 }

 void MediaControlRootElement::exitedFullscreen()
 {
     // "show" actually means removal of display:none style, so we are just clearing styles
     // when exiting fullscreen.
     // FIXME: Clarify naming of show/hide <http://webkit.org/b/58157>
     m_rewindButton->show();
 #if !PLATFORM(ANDROID)
     m_seekBackButton->show();
     m_seekForwardButton->show();
 #endif
 }

 void MediaControlRootElement::showVolumeSlider()
 {
     if (!m_mediaElement->hasAudio())
         return;

     if (m_volumeSliderContainer)
         m_volumeSliderContainer->show();
 }

 const AtomicString& MediaControlRootElement::shadowPseudoId() const
 {
     DEFINE_STATIC_LOCAL(AtomicString, id, ("-webkit-media-controls"));
     return id;
 }

 }

 #endif
	/*
	* Copyright (C) 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
	* Copyright (C) 2011 Google 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 "MediaControlRootElement.h"

	#include "MediaControlElements.h"
	#include "Page.h"
	#include "RenderTheme.h"

	using namespace std;

	namespace WebCore {

	MediaControlRootElement::MediaControlRootElement(HTMLMediaElement* mediaElement)
	: MediaControls(mediaElement)
	, m_mediaElement(mediaElement)
	, m_rewindButton(0)
	, m_playButton(0)
	, m_returnToRealTimeButton(0)
	, m_statusDisplay(0)
	, m_currentTimeDisplay(0)
	, m_timeline(0)
	, m_timeRemainingDisplay(0)
	, m_timelineContainer(0)
	, m_seekBackButton(0)
	, m_seekForwardButton(0)
	, m_toggleClosedCaptionsButton(0)
	, m_panelMuteButton(0)
	, m_volumeSlider(0)
	, m_volumeSliderMuteButton(0)
	, m_volumeSliderContainer(0)
	, m_fullScreenButton(0)
	, m_fullScreenMinVolumeButton(0)
	, m_fullScreenVolumeSlider(0)
	, m_fullScreenMaxVolumeButton(0)
	, m_panel(0)
	, m_opaque(true)
	{
	}

	PassRefPtr<MediaControls> MediaControls::create(HTMLMediaElement* mediaElement)
	{
	return MediaControlRootElement::create(mediaElement);
	}

	PassRefPtr<MediaControlRootElement> MediaControlRootElement::create(HTMLMediaElement* mediaElement)
	{
	if (!mediaElement->document()->page())
	return 0;

	RefPtr<MediaControlRootElement> controls = adoptRef(new MediaControlRootElement(mediaElement));

	RefPtr<MediaControlPanelElement> panel = MediaControlPanelElement::create(mediaElement);

	ExceptionCode ec;

	RefPtr<MediaControlRewindButtonElement> rewindButton = MediaControlRewindButtonElement::create(mediaElement);
	controls->m_rewindButton = rewindButton.get();
	panel->appendChild(rewindButton.release(), ec, true);
	if (ec)
	return 0;

	RefPtr<MediaControlPlayButtonElement> playButton = MediaControlPlayButtonElement::create(mediaElement);
	controls->m_playButton = playButton.get();
	panel->appendChild(playButton.release(), ec, true);
	if (ec)
	return 0;

	RefPtr<MediaControlReturnToRealtimeButtonElement> returnToRealtimeButton = MediaControlReturnToRealtimeButtonElement::create(mediaElement);
	controls->m_returnToRealTimeButton = returnToRealtimeButton.get();
	panel->appendChild(returnToRealtimeButton.release(), ec, true);
	if (ec)
	return 0;

	if (mediaElement->document()->page()->theme()->usesMediaControlStatusDisplay()) {
	RefPtr<MediaControlStatusDisplayElement> statusDisplay = MediaControlStatusDisplayElement::create(mediaElement);
	controls->m_statusDisplay = statusDisplay.get();
	panel->appendChild(statusDisplay.release(), ec, true);
	if (ec)
	return 0;
	}

	RefPtr<MediaControlTimelineContainerElement> timelineContainer = MediaControlTimelineContainerElement::create(mediaElement);

	RefPtr<MediaControlCurrentTimeDisplayElement> currentTimeDisplay = MediaControlCurrentTimeDisplayElement::create(mediaElement);
	controls->m_currentTimeDisplay = currentTimeDisplay.get();
	timelineContainer->appendChild(currentTimeDisplay.release(), ec, true);
	if (ec)
	return 0;

	RefPtr<MediaControlTimelineElement> timeline = MediaControlTimelineElement::create(mediaElement, controls.get());
	controls->m_timeline = timeline.get();
	timelineContainer->appendChild(timeline.release(), ec, true);
	if (ec)
	return 0;

	RefPtr<MediaControlTimeRemainingDisplayElement> timeRemainingDisplay = MediaControlTimeRemainingDisplayElement::create(mediaElement);
	controls->m_timeRemainingDisplay = timeRemainingDisplay.get();
	timelineContainer->appendChild(timeRemainingDisplay.release(), ec, true);
	if (ec)
	return 0;

	controls->m_timelineContainer = timelineContainer.get();
	panel->appendChild(timelineContainer.release(), ec, true);
	if (ec)
	return 0;

	#if !PLATFORM(ANDROID)
	// FIXME: Only create when needed <http://webkit.org/b/57163>
	RefPtr<MediaControlSeekBackButtonElement> seekBackButton = MediaControlSeekBackButtonElement::create(mediaElement);
	controls->m_seekBackButton = seekBackButton.get();
	panel->appendChild(seekBackButton.release(), ec, true);
	if (ec)
	return 0;

	// FIXME: Only create when needed <http://webkit.org/b/57163>
	RefPtr<MediaControlSeekForwardButtonElement> seekForwardButton = MediaControlSeekForwardButtonElement::create(mediaElement);
	controls->m_seekForwardButton = seekForwardButton.get();
	panel->appendChild(seekForwardButton.release(), ec, true);
	if (ec)
	return 0;
	#endif

	if (mediaElement->document()->page()->theme()->supportsClosedCaptioning()) {
	RefPtr<MediaControlToggleClosedCaptionsButtonElement> toggleClosedCaptionsButton = MediaControlToggleClosedCaptionsButtonElement::create(mediaElement);
	controls->m_toggleClosedCaptionsButton = toggleClosedCaptionsButton.get();
	panel->appendChild(toggleClosedCaptionsButton.release(), ec, true);
	if (ec)
	return 0;
	}

	// FIXME: Only create when needed <http://webkit.org/b/57163>
	RefPtr<MediaControlFullscreenButtonElement> fullScreenButton = MediaControlFullscreenButtonElement::create(mediaElement, controls.get());
	controls->m_fullScreenButton = fullScreenButton.get();
	panel->appendChild(fullScreenButton.release(), ec, true);

	RefPtr<MediaControlPanelMuteButtonElement> panelMuteButton = MediaControlPanelMuteButtonElement::create(mediaElement, controls.get());
	controls->m_panelMuteButton = panelMuteButton.get();
	panel->appendChild(panelMuteButton.release(), ec, true);
	if (ec)
	return 0;

	if (mediaElement->document()->page()->theme()->usesMediaControlVolumeSlider()) {
	RefPtr<MediaControlVolumeSliderContainerElement> volumeSliderContainer = MediaControlVolumeSliderContainerElement::create(mediaElement);

	RefPtr<MediaControlVolumeSliderElement> slider = MediaControlVolumeSliderElement::create(mediaElement);
	controls->m_volumeSlider = slider.get();
	volumeSliderContainer->appendChild(slider.release(), ec, true);
	if (ec)
	return 0;

	RefPtr<MediaControlVolumeSliderMuteButtonElement> volumeSliderMuteButton = MediaControlVolumeSliderMuteButtonElement::create(mediaElement);
	controls->m_volumeSliderMuteButton = volumeSliderMuteButton.get();
	volumeSliderContainer->appendChild(volumeSliderMuteButton.release(), ec, true);
	if (ec)
	return 0;

	controls->m_volumeSliderContainer = volumeSliderContainer.get();
	panel->appendChild(volumeSliderContainer.release(), ec, true);
	if (ec)
	return 0;
	}

	// FIXME: Only create when needed <http://webkit.org/b/57163>
	RefPtr<MediaControlFullscreenVolumeMinButtonElement> fullScreenMinVolumeButton = MediaControlFullscreenVolumeMinButtonElement::create(mediaElement);
	controls->m_fullScreenMinVolumeButton = fullScreenMinVolumeButton.get();
	panel->appendChild(fullScreenMinVolumeButton.release(), ec, true);
	if (ec)
	return 0;

	RefPtr<MediaControlFullscreenVolumeSliderElement> fullScreenVolumeSlider = MediaControlFullscreenVolumeSliderElement::create(mediaElement);
	controls->m_fullScreenVolumeSlider = fullScreenVolumeSlider.get();
	panel->appendChild(fullScreenVolumeSlider.release(), ec, true);
	if (ec)
	return 0;

	RefPtr<MediaControlFullscreenVolumeMaxButtonElement> fullScreenMaxVolumeButton = MediaControlFullscreenVolumeMaxButtonElement::create(mediaElement);
	controls->m_fullScreenMaxVolumeButton = fullScreenMaxVolumeButton.get();
	panel->appendChild(fullScreenMaxVolumeButton.release(), ec, true);
	if (ec)
	return 0;

	controls->m_panel = panel.get();
	controls->appendChild(panel.release(), ec, true);
	if (ec)
	return 0;

	return controls.release();
	}

	void MediaControlRootElement::show()
	{
	m_panel->show();
	}

	void MediaControlRootElement::hide()
	{
	m_panel->hide();
	}

	static const String& webkitTransitionString()
	{
	DEFINE_STATIC_LOCAL(String, s, ("-webkit-transition"));
	return s;
	}

	static const String& opacityString()
	{
	DEFINE_STATIC_LOCAL(String, s, ("opacity"));
	return s;
	}

	void MediaControlRootElement::makeOpaque()
	{
	if (m_opaque)
	return;

	DEFINE_STATIC_LOCAL(String, transitionValue, ());
	if (transitionValue.isNull())
	transitionValue = String::format("opacity %.1gs", document()->page()->theme()->mediaControlsFadeInDuration());
	DEFINE_STATIC_LOCAL(String, opacityValue, ("1"));

	ExceptionCode ec;
	// FIXME: Make more efficient <http://webkit.org/b/58157>
	m_panel->style()->setProperty(webkitTransitionString(), transitionValue, ec);
	m_panel->style()->setProperty(opacityString(), opacityValue, ec);
	m_opaque = true;
	}

	void MediaControlRootElement::makeTransparent()
	{
	if (!m_opaque)
	return;

	DEFINE_STATIC_LOCAL(String, transitionValue, ());
	if (transitionValue.isNull())
	transitionValue = String::format("opacity %.1gs", document()->page()->theme()->mediaControlsFadeOutDuration());
	DEFINE_STATIC_LOCAL(String, opacityValue, ("0"));

	ExceptionCode ec;
	// FIXME: Make more efficient <http://webkit.org/b/58157>
	m_panel->style()->setProperty(webkitTransitionString(), transitionValue, ec);
	m_panel->style()->setProperty(opacityString(), opacityValue, ec);
	m_opaque = false;
	}

	void MediaControlRootElement::reset()
	{
	Page* page = document()->page();
	if (!page)
	return;

	changedNetworkState();

	if (m_mediaElement->supportsFullscreen())
	m_fullScreenButton->show();
	else
	m_fullScreenButton->hide();

	float duration = m_mediaElement->duration();
	if (isfinite(duration) \|\| page->theme()->hasOwnDisabledStateHandlingFor(MediaSliderPart)) {
	m_timeline->setDuration(duration);
	m_timelineContainer->show();
	m_timeline->setPosition(m_mediaElement->currentTime());
	updateTimeDisplay();
	} else
	m_timelineContainer->hide();

	if (m_mediaElement->hasAudio() \|\| page->theme()->hasOwnDisabledStateHandlingFor(MediaMuteButtonPart))
	m_panelMuteButton->show();
	else
	m_panelMuteButton->hide();

	if (m_volumeSlider)
	m_volumeSlider->setVolume(m_mediaElement->volume());

	if (m_toggleClosedCaptionsButton) {
	if (m_mediaElement->hasClosedCaptions())
	m_toggleClosedCaptionsButton->show();
	else
	m_toggleClosedCaptionsButton->hide();
	}

	if (m_mediaElement->movieLoadType() != MediaPlayer::LiveStream) {
	m_returnToRealTimeButton->hide();
	m_rewindButton->show();
	} else {
	m_returnToRealTimeButton->show();
	m_rewindButton->hide();
	}

	makeOpaque();
	}

	void MediaControlRootElement::playbackStarted()
	{
	m_playButton->updateDisplayType();
	m_timeline->setPosition(m_mediaElement->currentTime());
	updateTimeDisplay();
	}

	void MediaControlRootElement::playbackProgressed()
	{
	m_timeline->setPosition(m_mediaElement->currentTime());
	updateTimeDisplay();
	}

	void MediaControlRootElement::playbackStopped()
	{
	m_playButton->updateDisplayType();
	m_timeline->setPosition(m_mediaElement->currentTime());
	updateTimeDisplay();
	makeOpaque();
	}

	void MediaControlRootElement::updateTimeDisplay()
	{
	float now = m_mediaElement->currentTime();
	float duration = m_mediaElement->duration();

	Page* page = document()->page();
	if (!page)
	return;

	// Allow the theme to format the time.
	ExceptionCode ec;
	m_currentTimeDisplay->setInnerText(page->theme()->formatMediaControlsCurrentTime(now, duration), ec);
	m_currentTimeDisplay->setCurrentValue(now);
	m_timeRemainingDisplay->setInnerText(page->theme()->formatMediaControlsRemainingTime(now, duration), ec);
	m_timeRemainingDisplay->setCurrentValue(now - duration);
	}

	void MediaControlRootElement::reportedError()
	{
	Page* page = document()->page();
	if (!page)
	return;

	if (!page->theme()->hasOwnDisabledStateHandlingFor(MediaSliderPart))
	m_timelineContainer->hide();

	if (!page->theme()->hasOwnDisabledStateHandlingFor(MediaMuteButtonPart))
	m_panelMuteButton->hide();

	m_fullScreenButton->hide();

	if (m_volumeSliderContainer)
	m_volumeSliderContainer->hide();
	if (m_toggleClosedCaptionsButton && !page->theme()->hasOwnDisabledStateHandlingFor(MediaToggleClosedCaptionsButtonPart))
	m_toggleClosedCaptionsButton->hide();
	}

	void MediaControlRootElement::changedNetworkState()
	{
	if (m_statusDisplay)
	m_statusDisplay->update();
	}

	void MediaControlRootElement::loadedMetadata()
	{
	if (m_statusDisplay)
	m_statusDisplay->hide();

	reset();
	}

	void MediaControlRootElement::changedClosedCaptionsVisibility()
	{
	if (m_toggleClosedCaptionsButton)
	m_toggleClosedCaptionsButton->updateDisplayType();
	}

	void MediaControlRootElement::changedMute()
	{
	m_panelMuteButton->changedMute();
	if (m_volumeSliderMuteButton)
	m_volumeSliderMuteButton->changedMute();
	}

	void MediaControlRootElement::changedVolume()
	{
	if (m_volumeSlider)
	m_volumeSlider->setVolume(m_mediaElement->volume());
	}

	void MediaControlRootElement::enteredFullscreen()
	{
	if (m_mediaElement->movieLoadType() == MediaPlayer::LiveStream \|\| m_mediaElement->movieLoadType() == MediaPlayer::StoredStream) {
	#if !PLATFORM(ANDROID)
	m_seekBackButton->hide();
	m_seekForwardButton->hide();
	#endif
	} else
	m_rewindButton->hide();
	}

	void MediaControlRootElement::exitedFullscreen()
	{
	// "show" actually means removal of display:none style, so we are just clearing styles
	// when exiting fullscreen.
	// FIXME: Clarify naming of show/hide <http://webkit.org/b/58157>
	m_rewindButton->show();
	#if !PLATFORM(ANDROID)
	m_seekBackButton->show();
	m_seekForwardButton->show();
	#endif
	}

	void MediaControlRootElement::showVolumeSlider()
	{
	if (!m_mediaElement->hasAudio())
	return;

	if (m_volumeSliderContainer)
	m_volumeSliderContainer->show();
	}

	const AtomicString& MediaControlRootElement::shadowPseudoId() const
	{
	DEFINE_STATIC_LOCAL(AtomicString, id, ("-webkit-media-controls"));
	return id;
	}

	}

	#endif