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* Copyright (C) 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
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* Copyright (C) 2011 Google Inc. All rights reserved.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include "MediaControlsChromium.h"
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MediaControlChromiumEnclosureElement::MediaControlChromiumEnclosureElement(Document* document)
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: MediaControlElement(document)
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MediaControlElementType MediaControlChromiumEnclosureElement::displayType() const
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// Mapping onto same MediaControlElementType as panel element, since it has similar properties.
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return MediaControlsPanel;
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MediaControlPanelEnclosureElement::MediaControlPanelEnclosureElement(Document* document)
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: MediaControlChromiumEnclosureElement(document)
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PassRefPtr<MediaControlPanelEnclosureElement> MediaControlPanelEnclosureElement::create(Document* document)
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return adoptRef(new MediaControlPanelEnclosureElement(document));
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const AtomicString& MediaControlPanelEnclosureElement::shadowPseudoId() const
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DEFINE_STATIC_LOCAL(AtomicString, id, ("-webkit-media-controls-enclosure"));
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MediaControlsChromium::MediaControlsChromium(Document* document)
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: MediaControls(document)
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, m_durationDisplay(0)
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// MediaControls::create() for Android is defined in MediaControlsChromiumAndroid.cpp.
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PassRefPtr<MediaControls> MediaControls::create(Document* document)
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return MediaControlsChromium::createControls(document);
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PassRefPtr<MediaControlsChromium> MediaControlsChromium::createControls(Document* document)
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if (!document->page())
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RefPtr<MediaControlsChromium> controls = adoptRef(new MediaControlsChromium(document));
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if (controls->initializeControls(document))
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return controls.release();
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bool MediaControlsChromium::initializeControls(Document* document)
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// Create an enclosing element for the panel so we can visually offset the controls correctly.
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RefPtr<MediaControlPanelEnclosureElement> enclosure = MediaControlPanelEnclosureElement::create(document);
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RefPtr<MediaControlPanelElement> panel = MediaControlPanelElement::create(document);
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RefPtr<MediaControlPlayButtonElement> playButton = MediaControlPlayButtonElement::create(document);
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m_playButton = playButton.get();
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panel->appendChild(playButton.release(), ec, true);
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RefPtr<MediaControlTimelineElement> timeline = MediaControlTimelineElement::create(document, this);
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m_timeline = timeline.get();
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panel->appendChild(timeline.release(), ec, true);
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RefPtr<MediaControlCurrentTimeDisplayElement> currentTimeDisplay = MediaControlCurrentTimeDisplayElement::create(document);
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m_currentTimeDisplay = currentTimeDisplay.get();
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m_currentTimeDisplay->hide();
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panel->appendChild(currentTimeDisplay.release(), ec, true);
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RefPtr<MediaControlTimeRemainingDisplayElement> durationDisplay = MediaControlTimeRemainingDisplayElement::create(document);
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m_durationDisplay = durationDisplay.get();
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panel->appendChild(durationDisplay.release(), ec, true);
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RefPtr<MediaControlPanelMuteButtonElement> panelMuteButton = MediaControlPanelMuteButtonElement::create(document, this);
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m_panelMuteButton = panelMuteButton.get();
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panel->appendChild(panelMuteButton.release(), ec, true);
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RefPtr<MediaControlVolumeSliderElement> slider = MediaControlVolumeSliderElement::create(document);
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m_volumeSlider = slider.get();
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m_volumeSlider->setClearMutedOnUserInteraction(true);
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panel->appendChild(slider.release(), ec, true);
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if (document->page()->theme()->supportsClosedCaptioning()) {
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RefPtr<MediaControlToggleClosedCaptionsButtonElement> toggleClosedCaptionsButton = MediaControlToggleClosedCaptionsButtonElement::create(document, this);
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m_toggleClosedCaptionsButton = toggleClosedCaptionsButton.get();
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panel->appendChild(toggleClosedCaptionsButton.release(), ec, true);
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RefPtr<MediaControlFullscreenButtonElement> fullscreenButton = MediaControlFullscreenButtonElement::create(document, this);
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m_fullScreenButton = fullscreenButton.get();
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panel->appendChild(fullscreenButton.release(), ec, true);
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m_panel = panel.get();
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enclosure->appendChild(panel.release(), ec, true);
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m_enclosure = enclosure.get();
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appendChild(enclosure.release(), ec, true);
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void MediaControlsChromium::setMediaController(MediaControllerInterface* controller)
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if (m_mediaController == controller)
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MediaControls::setMediaController(controller);
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if (m_durationDisplay)
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m_durationDisplay->setMediaController(controller);
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m_enclosure->setMediaController(controller);
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void MediaControlsChromium::reset()
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Page* page = document()->page();
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float duration = m_mediaController->duration();
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m_durationDisplay->setInnerText(page->theme()->formatMediaControlsTime(duration), ASSERT_NO_EXCEPTION);
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m_durationDisplay->setCurrentValue(duration);
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MediaControls::reset();
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void MediaControlsChromium::playbackStarted()
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m_currentTimeDisplay->show();
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m_durationDisplay->hide();
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MediaControls::playbackStarted();
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void MediaControlsChromium::updateCurrentTimeDisplay()
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float now = m_mediaController->currentTime();
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float duration = m_mediaController->duration();
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Page* page = document()->page();
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// After seek, hide duration display and show current time.
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m_currentTimeDisplay->show();
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m_durationDisplay->hide();
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// Allow the theme to format the time.
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m_currentTimeDisplay->setInnerText(page->theme()->formatMediaControlsCurrentTime(now, duration), ec);
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m_currentTimeDisplay->setCurrentValue(now);
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void MediaControlsChromium::changedMute()
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MediaControls::changedMute();
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if (m_mediaController->muted())
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m_volumeSlider->setVolume(0);
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m_volumeSlider->setVolume(m_mediaController->volume());
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#if ENABLE(VIDEO_TRACK)
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void MediaControlsChromium::createTextTrackDisplay()
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if (m_textDisplayContainer)
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RefPtr<MediaControlTextTrackContainerElement> textDisplayContainer = MediaControlTextTrackContainerElement::create(document());
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m_textDisplayContainer = textDisplayContainer.get();
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if (m_mediaController)
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m_textDisplayContainer->setMediaController(m_mediaController);
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// Insert it before the first controller element so it always displays behind the controls.
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// In the Chromium case, that's the enclosure element.
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insertBefore(textDisplayContainer.release(), m_enclosure, ASSERT_NO_EXCEPTION, true);