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-rw-r--r--WebCore/rendering/RenderMedia.cpp377
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diff --git a/WebCore/rendering/RenderMedia.cpp b/WebCore/rendering/RenderMedia.cpp
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+/*
+ * 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 "RenderMedia.h"
+
+#include "CSSStyleSelector.h"
+#include "Event.h"
+#include "EventNames.h"
+#include "FloatConversion.h"
+#include "FrameView.h"
+#include "GraphicsContext.h"
+#include "HTMLMediaElement.h"
+#include "MediaControlElements.h"
+#include "MouseEvent.h"
+#include "MediaPlayer.h"
+#include "RenderSlider.h"
+#include "SystemTime.h"
+#include <wtf/MathExtras.h>
+
+using namespace std;
+
+namespace WebCore {
+
+using namespace EventNames;
+
+static const double cTimeUpdateRepeatDelay = 0.2;
+static const double cOpacityAnimationRepeatDelay = 0.05;
+// FIXME get this from style
+static const double cOpacityAnimationDuration = 0.1;
+
+RenderMedia::RenderMedia(HTMLMediaElement* video)
+ : RenderReplaced(video)
+ , m_timeUpdateTimer(this, &RenderMedia::timeUpdateTimerFired)
+ , m_opacityAnimationTimer(this, &RenderMedia::opacityAnimationTimerFired)
+ , m_mouseOver(false)
+ , m_opacityAnimationStartTime(0)
+ , m_opacityAnimationFrom(0)
+ , m_opacityAnimationTo(1.0f)
+{
+}
+
+RenderMedia::RenderMedia(HTMLMediaElement* video, const IntSize& intrinsicSize)
+ : RenderReplaced(video, intrinsicSize)
+ , m_timeUpdateTimer(this, &RenderMedia::timeUpdateTimerFired)
+ , m_opacityAnimationTimer(this, &RenderMedia::opacityAnimationTimerFired)
+ , m_mouseOver(false)
+ , m_opacityAnimationStartTime(0)
+ , m_opacityAnimationFrom(0)
+ , m_opacityAnimationTo(1.0f)
+{
+}
+
+RenderMedia::~RenderMedia()
+{
+ if (m_controlsShadowRoot && m_controlsShadowRoot->renderer()) {
+ static_cast<RenderMediaControlShadowRoot*>(m_controlsShadowRoot->renderer())->setParent(0);
+ m_controlsShadowRoot->detach();
+ }
+}
+
+HTMLMediaElement* RenderMedia::mediaElement() const
+{
+ return static_cast<HTMLMediaElement*>(node());
+}
+
+MediaPlayer* RenderMedia::player() const
+{
+ return mediaElement()->player();
+}
+
+void RenderMedia::layout()
+{
+ IntSize oldSize = contentBox().size();
+
+ RenderReplaced::layout();
+
+ RenderObject* controlsRenderer = m_controlsShadowRoot ? m_controlsShadowRoot->renderer() : 0;
+ if (!controlsRenderer)
+ return;
+ IntSize newSize = contentBox().size();
+ if (newSize != oldSize || controlsRenderer->needsLayout()) {
+ controlsRenderer->setPos(borderLeft() + paddingLeft(), borderTop() + paddingTop());
+ controlsRenderer->style()->setHeight(Length(newSize.height(), Fixed));
+ controlsRenderer->style()->setWidth(Length(newSize.width(), Fixed));
+ controlsRenderer->setNeedsLayout(true, false);
+ controlsRenderer->layout();
+ setChildNeedsLayout(false);
+ }
+}
+
+RenderObject* RenderMedia::firstChild() const
+{
+ return m_controlsShadowRoot ? m_controlsShadowRoot->renderer() : 0;
+}
+
+RenderObject* RenderMedia::lastChild() const
+{
+ return m_controlsShadowRoot ? m_controlsShadowRoot->renderer() : 0;
+}
+
+void RenderMedia::removeChild(RenderObject* child)
+{
+ ASSERT(m_controlsShadowRoot);
+ ASSERT(child == m_controlsShadowRoot->renderer());
+ child->removeLayers(enclosingLayer());
+}
+
+void RenderMedia::createControlsShadowRoot()
+{
+ ASSERT(!m_controlsShadowRoot);
+ m_controlsShadowRoot = new MediaControlShadowRootElement(document(), mediaElement());
+}
+
+void RenderMedia::createPanel()
+{
+ ASSERT(!m_panel);
+ RenderStyle* style = getPseudoStyle(RenderStyle::MEDIA_CONTROLS_PANEL);
+ m_panel = new HTMLDivElement(document());
+ RenderObject* renderer = m_panel->createRenderer(renderArena(), style);
+ if (renderer) {
+ m_panel->setRenderer(renderer);
+ renderer->setStyle(style);
+ m_panel->setAttached();
+ m_panel->setInDocument(true);
+ m_controlsShadowRoot->addChild(m_panel);
+ m_controlsShadowRoot->renderer()->addChild(renderer);
+ }
+}
+
+void RenderMedia::createMuteButton()
+{
+ ASSERT(!m_muteButton);
+ m_muteButton = new MediaControlMuteButtonElement(document(), mediaElement());
+ m_muteButton->attachToParent(m_panel.get());
+}
+
+void RenderMedia::createPlayButton()
+{
+ ASSERT(!m_playButton);
+ m_playButton = new MediaControlPlayButtonElement(document(), mediaElement());
+ m_playButton->attachToParent(m_panel.get());
+}
+
+void RenderMedia::createSeekBackButton()
+{
+ ASSERT(!m_seekBackButton);
+ m_seekBackButton = new MediaControlSeekButtonElement(document(), mediaElement(), false);
+ m_seekBackButton->attachToParent(m_panel.get());
+}
+
+void RenderMedia::createSeekForwardButton()
+{
+ ASSERT(!m_seekForwardButton);
+ m_seekForwardButton = new MediaControlSeekButtonElement(document(), mediaElement(), true);
+ m_seekForwardButton->attachToParent(m_panel.get());
+}
+
+void RenderMedia::createTimeline()
+{
+ ASSERT(!m_timeline);
+ m_timeline = new MediaControlTimelineElement(document(), mediaElement());
+ m_timeline->attachToParent(m_panel.get());
+}
+
+void RenderMedia::createTimeDisplay()
+{
+ ASSERT(!m_timeDisplay);
+ RenderStyle* style = getPseudoStyle(RenderStyle::MEDIA_CONTROLS_TIME_DISPLAY);
+ m_timeDisplay = new HTMLDivElement(document());
+ RenderObject* renderer = m_timeDisplay->createRenderer(renderArena(), style);
+ if (renderer) {
+ m_timeDisplay->setRenderer(renderer);
+ renderer->setStyle(style);
+ m_timeDisplay->setAttached();
+ m_timeDisplay->setInDocument(true);
+ m_panel->addChild(m_timeDisplay);
+ m_panel->renderer()->addChild(renderer);
+ }
+}
+
+void RenderMedia::createFullscreenButton()
+{
+ ASSERT(!m_fullscreenButton);
+ m_fullscreenButton = new MediaControlFullscreenButtonElement(document(), mediaElement());
+ m_fullscreenButton->attachToParent(m_panel.get());
+}
+
+void RenderMedia::updateFromElement()
+{
+ updateControls();
+}
+
+void RenderMedia::updateControls()
+{
+ HTMLMediaElement* media = mediaElement();
+ if (!media->controls() || media->inPageCache()) {
+ if (m_controlsShadowRoot) {
+ m_controlsShadowRoot->detach();
+ m_panel = 0;
+ m_muteButton = 0;
+ m_playButton = 0;
+ m_timeline = 0;
+ m_seekBackButton = 0;
+ m_seekForwardButton = 0;
+ m_timeDisplay = 0;
+ m_fullscreenButton = 0;
+ m_controlsShadowRoot = 0;
+ }
+ m_opacityAnimationTo = 1.0f;
+ m_opacityAnimationTimer.stop();
+ m_timeUpdateTimer.stop();
+ return;
+ }
+
+ if (!m_controlsShadowRoot) {
+ createControlsShadowRoot();
+ createPanel();
+ createMuteButton();
+ createPlayButton();
+ createTimeline();
+ createSeekBackButton();
+ createSeekForwardButton();
+ createTimeDisplay();
+ createFullscreenButton();
+ }
+
+ if (media->paused() || media->ended() || media->networkState() < HTMLMediaElement::LOADED_METADATA)
+ m_timeUpdateTimer.stop();
+ else
+ m_timeUpdateTimer.startRepeating(cTimeUpdateRepeatDelay);
+
+ if (m_muteButton)
+ m_muteButton->update();
+ if (m_playButton)
+ m_playButton->update();
+ if (m_timeline)
+ m_timeline->update();
+ if (m_seekBackButton)
+ m_seekBackButton->update();
+ if (m_seekForwardButton)
+ m_seekForwardButton->update();
+ if (m_fullscreenButton)
+ m_fullscreenButton->update();
+ updateTimeDisplay();
+ updateControlVisibility();
+}
+
+void RenderMedia::timeUpdateTimerFired(Timer<RenderMedia>*)
+{
+ if (m_timeline)
+ m_timeline->update(false);
+ updateTimeDisplay();
+}
+
+String RenderMedia::formatTime(float time)
+{
+ if (!isfinite(time))
+ time = 0;
+ int seconds = (int)time;
+ int hours = seconds / (60 * 60);
+ int minutes = (seconds / 60) % 60;
+ seconds %= 60;
+ return String::format("%02d:%02d:%02d", hours, minutes, seconds);
+}
+
+void RenderMedia::updateTimeDisplay()
+{
+ if (!m_timeDisplay)
+ return;
+ String timeString = formatTime(mediaElement()->currentTime());
+ ExceptionCode ec;
+ m_timeDisplay->setInnerText(timeString, ec);
+}
+
+void RenderMedia::updateControlVisibility()
+{
+ if (!m_panel || !m_panel->renderer())
+ return;
+ // do fading manually, css animations don't work well with shadow trees
+ HTMLMediaElement* media = mediaElement();
+ // Don't fade for audio controls.
+ if (!media->isVideo())
+ return;
+ bool visible = m_mouseOver || media->paused() || media->ended() || media->networkState() < HTMLMediaElement::LOADED_METADATA;
+ if (visible == (m_opacityAnimationTo > 0))
+ return;
+ if (visible) {
+ m_opacityAnimationFrom = m_panel->renderer()->style()->opacity();
+ m_opacityAnimationTo = 1.0f;
+ } else {
+ m_opacityAnimationFrom = m_panel->renderer()->style()->opacity();
+ m_opacityAnimationTo = 0;
+ }
+ m_opacityAnimationStartTime = currentTime();
+ m_opacityAnimationTimer.startRepeating(cOpacityAnimationRepeatDelay);
+}
+
+void RenderMedia::changeOpacity(HTMLElement* e, float opacity)
+{
+ if (!e || !e->renderer() || !e->renderer()->style())
+ return;
+ RenderStyle* s = new (renderArena()) RenderStyle(*e->renderer()->style());
+ s->setOpacity(opacity);
+ // z-index can't be auto if opacity is used
+ s->setZIndex(0);
+ e->renderer()->setStyle(s);
+}
+
+void RenderMedia::opacityAnimationTimerFired(Timer<RenderMedia>*)
+{
+ double time = currentTime() - m_opacityAnimationStartTime;
+ if (time >= cOpacityAnimationDuration) {
+ time = cOpacityAnimationDuration;
+ m_opacityAnimationTimer.stop();
+ }
+ float opacity = narrowPrecisionToFloat(m_opacityAnimationFrom + (m_opacityAnimationTo - m_opacityAnimationFrom) * time / cOpacityAnimationDuration);
+ changeOpacity(m_panel.get(), opacity);
+}
+
+void RenderMedia::forwardEvent(Event* event)
+{
+ if (event->isMouseEvent() && m_controlsShadowRoot) {
+ MouseEvent* mouseEvent = static_cast<MouseEvent*>(event);
+ IntPoint point(mouseEvent->pageX(), mouseEvent->pageY());
+ if (m_muteButton && m_muteButton->renderer() && m_muteButton->renderer()->absoluteBoundingBoxRect().contains(point))
+ m_muteButton->defaultEventHandler(event);
+ if (m_playButton && m_playButton->renderer() && m_playButton->renderer()->absoluteBoundingBoxRect().contains(point))
+ m_playButton->defaultEventHandler(event);
+ if (m_seekBackButton && m_seekBackButton->renderer() && m_seekBackButton->renderer()->absoluteBoundingBoxRect().contains(point))
+ m_seekBackButton->defaultEventHandler(event);
+ if (m_seekForwardButton && m_seekForwardButton->renderer() && m_seekForwardButton->renderer()->absoluteBoundingBoxRect().contains(point))
+ m_seekForwardButton->defaultEventHandler(event);
+ if (m_timeline && m_timeline->renderer() && m_timeline->renderer()->absoluteBoundingBoxRect().contains(point))
+ m_timeline->defaultEventHandler(event);
+ if (m_fullscreenButton && m_fullscreenButton->renderer() && m_fullscreenButton->renderer()->absoluteBoundingBoxRect().contains(point))
+ m_fullscreenButton->defaultEventHandler(event);
+
+ if (event->type() == mouseoverEvent) {
+ m_mouseOver = true;
+ updateControlVisibility();
+ }
+ if (event->type() == mouseoutEvent) {
+ // FIXME: moving over scrollbar thumb generates mouseout for the ancestor media element for some reason
+ m_mouseOver = absoluteBoundingBoxRect().contains(point);
+ updateControlVisibility();
+ }
+ }
+}
+
+} // namespace WebCore
+
+#endif