Source/WebCore/html/shadow/MediaControlsApple.cpp - WebKit - Git at Google

 /*
  * Copyright (C) 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2011, 2012 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 "MediaControlsApple.h"

 #include "Chrome.h"
 #include "ExceptionCodePlaceholder.h"
 #include "HTMLMediaElement.h"
 #include "HTMLNames.h"
 #include "MediaControlElements.h"
 #include "MouseEvent.h"
 #include "Page.h"
 #include "RenderTheme.h"
 #include "Text.h"

 #if ENABLE(VIDEO_TRACK)
 #include "TextTrackCue.h"
 #endif

 using namespace std;

 namespace WebCore {

 MediaControlsApple::MediaControlsApple(Document* document)
     : MediaControls(document)
     , m_rewindButton(0)
     , m_returnToRealTimeButton(0)
     , m_statusDisplay(0)
     , m_timeRemainingDisplay(0)
     , m_timelineContainer(0)
     , m_seekBackButton(0)
     , m_seekForwardButton(0)
     , m_closedCaptionsTrackList(0)
     , m_closedCaptionsContainer(0)
     , m_volumeSliderMuteButton(0)
     , m_volumeSliderContainer(0)
     , m_fullScreenMinVolumeButton(0)
     , m_fullScreenVolumeSlider(0)
     , m_fullScreenMaxVolumeButton(0)
 {
 }

 PassRefPtr<MediaControls> MediaControls::create(Document* document)
 {
     return MediaControlsApple::createControls(document);
 }

 PassRefPtr<MediaControlsApple> MediaControlsApple::createControls(Document* document)
 {
     if (!document->page())
         return 0;

     RefPtr<MediaControlsApple> controls = adoptRef(new MediaControlsApple(document));

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

     ExceptionCode ec;

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

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

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

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

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

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

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

     RefPtr<MediaControlTimeRemainingDisplayElement> timeRemainingDisplay = MediaControlTimeRemainingDisplayElement::create(document);
     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;

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

     if (document->page()->theme()->supportsClosedCaptioning()) {
         RefPtr<MediaControlClosedCaptionsContainerElement> closedCaptionsContainer = MediaControlClosedCaptionsContainerElement::create(document);

         RefPtr<MediaControlClosedCaptionsTrackListElement> closedCaptionsTrackList = MediaControlClosedCaptionsTrackListElement::create(document, controls.get());
         controls->m_closedCaptionsTrackList = closedCaptionsTrackList.get();
         closedCaptionsContainer->appendChild(closedCaptionsTrackList.release(), ec, true);
         if (ec)
             return 0;

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

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

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

     // The mute button and the slider element should be in the same div.
     RefPtr<HTMLDivElement> panelVolumeControlContainer = HTMLDivElement::create(document);

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

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

         // This is a duplicate mute button, which is visible in some ports at the bottom of the volume bar.
         // It's important only when the volume bar is displayed below the controls.
         RefPtr<MediaControlVolumeSliderMuteButtonElement> volumeSliderMuteButton = MediaControlVolumeSliderMuteButtonElement::create(document);
         controls->m_volumeSliderMuteButton = volumeSliderMuteButton.get();
         volumeSliderContainer->appendChild(volumeSliderMuteButton.release(), ec, true);

         if (ec)
             return 0;

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

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

     panel->appendChild(panelVolumeControlContainer, ec, true);
     if (ec)
         return 0;

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

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

     RefPtr<MediaControlFullscreenVolumeMaxButtonElement> fullScreenMaxVolumeButton = MediaControlFullscreenVolumeMaxButtonElement::create(document);
     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 MediaControlsApple::setMediaController(MediaControllerInterface* controller)
 {
     if (m_mediaController == controller)
         return;

     MediaControls::setMediaController(controller);

     if (m_rewindButton)
         m_rewindButton->setMediaController(controller);
     if (m_returnToRealTimeButton)
         m_returnToRealTimeButton->setMediaController(controller);
     if (m_statusDisplay)
         m_statusDisplay->setMediaController(controller);
     if (m_timeRemainingDisplay)
         m_timeRemainingDisplay->setMediaController(controller);
     if (m_timelineContainer)
         m_timelineContainer->setMediaController(controller);
     if (m_seekBackButton)
         m_seekBackButton->setMediaController(controller);
     if (m_seekForwardButton)
         m_seekForwardButton->setMediaController(controller);
     if (m_volumeSliderMuteButton)
         m_volumeSliderMuteButton->setMediaController(controller);
     if (m_volumeSliderContainer)
         m_volumeSliderContainer->setMediaController(controller);
     if (m_fullScreenMinVolumeButton)
         m_fullScreenMinVolumeButton->setMediaController(controller);
     if (m_fullScreenVolumeSlider)
         m_fullScreenVolumeSlider->setMediaController(controller);
     if (m_fullScreenMaxVolumeButton)
         m_fullScreenMaxVolumeButton->setMediaController(controller);
     if (m_closedCaptionsTrackList)
         m_closedCaptionsTrackList->setMediaController(controller);
     if (m_closedCaptionsContainer)
         m_closedCaptionsContainer->setMediaController(controller);
 }

 void MediaControlsApple::hide()
 {
     MediaControls::hide();
     m_volumeSliderContainer->hide();
     if (m_closedCaptionsContainer)
         m_closedCaptionsContainer->hide();
 }

 void MediaControlsApple::makeTransparent()
 {
     MediaControls::makeTransparent();
     m_volumeSliderContainer->hide();
     if (m_closedCaptionsContainer)
         m_closedCaptionsContainer->hide();
 }

 void MediaControlsApple::changedClosedCaptionsVisibility()
 {
     MediaControls::changedClosedCaptionsVisibility();
     if (m_closedCaptionsTrackList)
         m_closedCaptionsTrackList->updateDisplay();
 }

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

     updateStatusDisplay();

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

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

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

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

     if (m_toggleClosedCaptionsButton) {
         if (m_mediaController->hasClosedCaptions()) {
             m_toggleClosedCaptionsButton->show();
             if (m_closedCaptionsTrackList)
                 m_closedCaptionsTrackList->resetTrackListMenu();
         } else
             m_toggleClosedCaptionsButton->hide();
     }

     if (m_playButton)
         m_playButton->updateDisplayType();

 #if ENABLE(FULLSCREEN_API)
     if (m_fullScreenVolumeSlider)
         m_fullScreenVolumeSlider->setVolume(m_mediaController->volume());

     if (m_isFullscreen) {
         if (m_mediaController->isLiveStream()) {
             m_seekBackButton->hide();
             m_seekForwardButton->hide();
             m_rewindButton->show();
             m_returnToRealTimeButton->show();
         } else {
             m_seekBackButton->show();
             m_seekForwardButton->show();
             m_rewindButton->hide();
             m_returnToRealTimeButton->hide();
         }
     } else
 #endif
     if (!m_mediaController->isLiveStream()) {
         m_returnToRealTimeButton->hide();
         m_rewindButton->show();
     } else {
         m_returnToRealTimeButton->show();
         m_rewindButton->hide();
     }

     makeOpaque();
 }

 void MediaControlsApple::updateCurrentTimeDisplay()
 {
     float now = m_mediaController->currentTime();
     float duration = m_mediaController->duration();

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

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

 void MediaControlsApple::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();
     if (m_closedCaptionsContainer)
         m_closedCaptionsContainer->hide();
 }

 void MediaControlsApple::updateStatusDisplay()
 {
     if (m_statusDisplay)
         m_statusDisplay->update();
 }

 void MediaControlsApple::loadedMetadata()
 {
     if (m_statusDisplay && m_mediaController->isLiveStream())
         m_statusDisplay->hide();

     MediaControls::loadedMetadata();
 }

 void MediaControlsApple::changedMute()
 {
     MediaControls::changedMute();

     if (m_volumeSliderMuteButton)
         m_volumeSliderMuteButton->changedMute();
 }

 void MediaControlsApple::changedVolume()
 {
     MediaControls::changedVolume();

     if (m_fullScreenVolumeSlider)
         m_fullScreenVolumeSlider->setVolume(m_mediaController->volume());
 }

 void MediaControlsApple::enteredFullscreen()
 {
     MediaControls::enteredFullscreen();
     m_panel->setCanBeDragged(true);

     if (m_mediaController->isLiveStream()) {
         m_seekBackButton->hide();
         m_seekForwardButton->hide();
         m_rewindButton->show();
         m_returnToRealTimeButton->show();
     } else {
         m_seekBackButton->show();
         m_seekForwardButton->show();
         m_rewindButton->hide();
         m_returnToRealTimeButton->hide();
     }
 }

 void MediaControlsApple::exitedFullscreen()
 {
     m_rewindButton->show();
     m_seekBackButton->show();
     m_seekForwardButton->show();
     m_returnToRealTimeButton->show();

     m_panel->setCanBeDragged(false);

     // We will keep using the panel, but we want it to go back to the standard position.
     // This will matter right away because we use the panel even when not fullscreen.
     // And if we reenter fullscreen we also want the panel in the standard position.
     m_panel->resetPosition();

     MediaControls::exitedFullscreen();
 }

 void MediaControlsApple::showVolumeSlider()
 {
     if (!m_mediaController->hasAudio())
         return;

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

 void MediaControlsApple::toggleClosedCaptionTrackList()
 {
     if (!m_mediaController->hasClosedCaptions())
         return;

     if (m_closedCaptionsContainer) {
         if (m_closedCaptionsContainer->isShowing())
             m_closedCaptionsContainer->hide();
         else {
             if (m_closedCaptionsTrackList)
                 m_closedCaptionsTrackList->updateDisplay();
             m_closedCaptionsContainer->show();
         }
     }
 }

 void MediaControlsApple::closedCaptionTracksChanged()
 {
     if (m_closedCaptionsTrackList)
         m_closedCaptionsTrackList->resetTrackListMenu();
 }

 }

 #endif
	/*
	* Copyright (C) 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
	* Copyright (C) 2011, 2012 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 "MediaControlsApple.h"

	#include "Chrome.h"
	#include "ExceptionCodePlaceholder.h"
	#include "HTMLMediaElement.h"
	#include "HTMLNames.h"
	#include "MediaControlElements.h"
	#include "MouseEvent.h"
	#include "Page.h"
	#include "RenderTheme.h"
	#include "Text.h"

	#if ENABLE(VIDEO_TRACK)
	#include "TextTrackCue.h"
	#endif

	using namespace std;

	namespace WebCore {

	MediaControlsApple::MediaControlsApple(Document* document)
	: MediaControls(document)
	, m_rewindButton(0)
	, m_returnToRealTimeButton(0)
	, m_statusDisplay(0)
	, m_timeRemainingDisplay(0)
	, m_timelineContainer(0)
	, m_seekBackButton(0)
	, m_seekForwardButton(0)
	, m_closedCaptionsTrackList(0)
	, m_closedCaptionsContainer(0)
	, m_volumeSliderMuteButton(0)
	, m_volumeSliderContainer(0)
	, m_fullScreenMinVolumeButton(0)
	, m_fullScreenVolumeSlider(0)
	, m_fullScreenMaxVolumeButton(0)
	{
	}

	PassRefPtr<MediaControls> MediaControls::create(Document* document)
	{
	return MediaControlsApple::createControls(document);
	}

	PassRefPtr<MediaControlsApple> MediaControlsApple::createControls(Document* document)
	{
	if (!document->page())
	return 0;

	RefPtr<MediaControlsApple> controls = adoptRef(new MediaControlsApple(document));

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

	ExceptionCode ec;

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

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

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

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

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

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

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

	RefPtr<MediaControlTimeRemainingDisplayElement> timeRemainingDisplay = MediaControlTimeRemainingDisplayElement::create(document);
	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;

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

	if (document->page()->theme()->supportsClosedCaptioning()) {
	RefPtr<MediaControlClosedCaptionsContainerElement> closedCaptionsContainer = MediaControlClosedCaptionsContainerElement::create(document);

	RefPtr<MediaControlClosedCaptionsTrackListElement> closedCaptionsTrackList = MediaControlClosedCaptionsTrackListElement::create(document, controls.get());
	controls->m_closedCaptionsTrackList = closedCaptionsTrackList.get();
	closedCaptionsContainer->appendChild(closedCaptionsTrackList.release(), ec, true);
	if (ec)
	return 0;

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

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

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

	// The mute button and the slider element should be in the same div.
	RefPtr<HTMLDivElement> panelVolumeControlContainer = HTMLDivElement::create(document);

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

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

	// This is a duplicate mute button, which is visible in some ports at the bottom of the volume bar.
	// It's important only when the volume bar is displayed below the controls.
	RefPtr<MediaControlVolumeSliderMuteButtonElement> volumeSliderMuteButton = MediaControlVolumeSliderMuteButtonElement::create(document);
	controls->m_volumeSliderMuteButton = volumeSliderMuteButton.get();
	volumeSliderContainer->appendChild(volumeSliderMuteButton.release(), ec, true);

	if (ec)
	return 0;

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

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

	panel->appendChild(panelVolumeControlContainer, ec, true);
	if (ec)
	return 0;

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

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

	RefPtr<MediaControlFullscreenVolumeMaxButtonElement> fullScreenMaxVolumeButton = MediaControlFullscreenVolumeMaxButtonElement::create(document);
	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 MediaControlsApple::setMediaController(MediaControllerInterface* controller)
	{
	if (m_mediaController == controller)
	return;

	MediaControls::setMediaController(controller);

	if (m_rewindButton)
	m_rewindButton->setMediaController(controller);
	if (m_returnToRealTimeButton)
	m_returnToRealTimeButton->setMediaController(controller);
	if (m_statusDisplay)
	m_statusDisplay->setMediaController(controller);
	if (m_timeRemainingDisplay)
	m_timeRemainingDisplay->setMediaController(controller);
	if (m_timelineContainer)
	m_timelineContainer->setMediaController(controller);
	if (m_seekBackButton)
	m_seekBackButton->setMediaController(controller);
	if (m_seekForwardButton)
	m_seekForwardButton->setMediaController(controller);
	if (m_volumeSliderMuteButton)
	m_volumeSliderMuteButton->setMediaController(controller);
	if (m_volumeSliderContainer)
	m_volumeSliderContainer->setMediaController(controller);
	if (m_fullScreenMinVolumeButton)
	m_fullScreenMinVolumeButton->setMediaController(controller);
	if (m_fullScreenVolumeSlider)
	m_fullScreenVolumeSlider->setMediaController(controller);
	if (m_fullScreenMaxVolumeButton)
	m_fullScreenMaxVolumeButton->setMediaController(controller);
	if (m_closedCaptionsTrackList)
	m_closedCaptionsTrackList->setMediaController(controller);
	if (m_closedCaptionsContainer)
	m_closedCaptionsContainer->setMediaController(controller);
	}

	void MediaControlsApple::hide()
	{
	MediaControls::hide();
	m_volumeSliderContainer->hide();
	if (m_closedCaptionsContainer)
	m_closedCaptionsContainer->hide();
	}

	void MediaControlsApple::makeTransparent()
	{
	MediaControls::makeTransparent();
	m_volumeSliderContainer->hide();
	if (m_closedCaptionsContainer)
	m_closedCaptionsContainer->hide();
	}

	void MediaControlsApple::changedClosedCaptionsVisibility()
	{
	MediaControls::changedClosedCaptionsVisibility();
	if (m_closedCaptionsTrackList)
	m_closedCaptionsTrackList->updateDisplay();
	}

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

	updateStatusDisplay();

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

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

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

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

	if (m_toggleClosedCaptionsButton) {
	if (m_mediaController->hasClosedCaptions()) {
	m_toggleClosedCaptionsButton->show();
	if (m_closedCaptionsTrackList)
	m_closedCaptionsTrackList->resetTrackListMenu();
	} else
	m_toggleClosedCaptionsButton->hide();
	}

	if (m_playButton)
	m_playButton->updateDisplayType();

	#if ENABLE(FULLSCREEN_API)
	if (m_fullScreenVolumeSlider)
	m_fullScreenVolumeSlider->setVolume(m_mediaController->volume());

	if (m_isFullscreen) {
	if (m_mediaController->isLiveStream()) {
	m_seekBackButton->hide();
	m_seekForwardButton->hide();
	m_rewindButton->show();
	m_returnToRealTimeButton->show();
	} else {
	m_seekBackButton->show();
	m_seekForwardButton->show();
	m_rewindButton->hide();
	m_returnToRealTimeButton->hide();
	}
	} else
	#endif
	if (!m_mediaController->isLiveStream()) {
	m_returnToRealTimeButton->hide();
	m_rewindButton->show();
	} else {
	m_returnToRealTimeButton->show();
	m_rewindButton->hide();
	}

	makeOpaque();
	}

	void MediaControlsApple::updateCurrentTimeDisplay()
	{
	float now = m_mediaController->currentTime();
	float duration = m_mediaController->duration();

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

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

	void MediaControlsApple::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();
	if (m_closedCaptionsContainer)
	m_closedCaptionsContainer->hide();
	}

	void MediaControlsApple::updateStatusDisplay()
	{
	if (m_statusDisplay)
	m_statusDisplay->update();
	}

	void MediaControlsApple::loadedMetadata()
	{
	if (m_statusDisplay && m_mediaController->isLiveStream())
	m_statusDisplay->hide();

	MediaControls::loadedMetadata();
	}

	void MediaControlsApple::changedMute()
	{
	MediaControls::changedMute();

	if (m_volumeSliderMuteButton)
	m_volumeSliderMuteButton->changedMute();
	}

	void MediaControlsApple::changedVolume()
	{
	MediaControls::changedVolume();

	if (m_fullScreenVolumeSlider)
	m_fullScreenVolumeSlider->setVolume(m_mediaController->volume());
	}

	void MediaControlsApple::enteredFullscreen()
	{
	MediaControls::enteredFullscreen();
	m_panel->setCanBeDragged(true);

	if (m_mediaController->isLiveStream()) {
	m_seekBackButton->hide();
	m_seekForwardButton->hide();
	m_rewindButton->show();
	m_returnToRealTimeButton->show();
	} else {
	m_seekBackButton->show();
	m_seekForwardButton->show();
	m_rewindButton->hide();
	m_returnToRealTimeButton->hide();
	}
	}

	void MediaControlsApple::exitedFullscreen()
	{
	m_rewindButton->show();
	m_seekBackButton->show();
	m_seekForwardButton->show();
	m_returnToRealTimeButton->show();

	m_panel->setCanBeDragged(false);

	// We will keep using the panel, but we want it to go back to the standard position.
	// This will matter right away because we use the panel even when not fullscreen.
	// And if we reenter fullscreen we also want the panel in the standard position.
	m_panel->resetPosition();

	MediaControls::exitedFullscreen();
	}

	void MediaControlsApple::showVolumeSlider()
	{
	if (!m_mediaController->hasAudio())
	return;

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

	void MediaControlsApple::toggleClosedCaptionTrackList()
	{
	if (!m_mediaController->hasClosedCaptions())
	return;

	if (m_closedCaptionsContainer) {
	if (m_closedCaptionsContainer->isShowing())
	m_closedCaptionsContainer->hide();
	else {
	if (m_closedCaptionsTrackList)
	m_closedCaptionsTrackList->updateDisplay();
	m_closedCaptionsContainer->show();
	}
	}
	}

	void MediaControlsApple::closedCaptionTracksChanged()
	{
	if (m_closedCaptionsTrackList)
	m_closedCaptionsTrackList->resetTrackListMenu();
	}

	}

	#endif