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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/184595">184595</a></dd>
<dt>Author</dt> <dd>roger_fong@apple.com</dd>
<dt>Date</dt> <dd>2015-05-19 14:52:15 -0700 (Tue, 19 May 2015)</dd>
</dl>

<h3>Log Message</h3>
<pre>Media Controls stop updating after hovering for a few seconds.
https://bugs.webkit.org/show_bug.cgi?id=144770.
&lt;rdar://problem/19823121&gt;
    
Reviewed by Jer Noble.

* Modules/mediacontrols/mediaControlsApple.js:
(Controller.prototype.createBase):
We should never hide controls immediately as a result of mousing out of the controls.
It should only happen when the mouse leaves the video entirely.
(Controller.prototype.updateTimelineMetricsIfNeeded):
Don’t update if controls are hidden, timeline dimensions will be 0.
(Controller.prototype.handlePanelTransitionEnd):
Instead of adjusting visibility via adding and removing classes,
remove controls entirely from the tree.
(Controller.prototype.showControls):
Add controls back into the tree when showing controls.
(Controller.prototype.updateForShowingControls):
Helper method for showControls.
(Controller.prototype.controlsAreHidden):
Controls also hidden if removed from tree.

Remove forceUpdate logic, no longer necessary.
(Controller.prototype.handleDurationChange):
(Controller.prototype.updateProgress):
(Controller.prototype.updateTime):

Override methods to use add and remove panelContainer for iOS.
* Modules/mediacontrols/mediaControlsiOS.js:
(ControllerIOS.prototype.handlePanelTransitionEnd):
(ControllerIOS.prototype.showControls):
(ControllerIOS.prototype.controlsAreHidden):</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCoreModulesmediacontrolsmediaControlsApplejs">trunk/Source/WebCore/Modules/mediacontrols/mediaControlsApple.js</a></li>
<li><a href="#trunkSourceWebCoreModulesmediacontrolsmediaControlsiOSjs">trunk/Source/WebCore/Modules/mediacontrols/mediaControlsiOS.js</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (184594 => 184595)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog        2015-05-19 21:49:59 UTC (rev 184594)
+++ trunk/Source/WebCore/ChangeLog        2015-05-19 21:52:15 UTC (rev 184595)
</span><span class="lines">@@ -1,3 +1,38 @@
</span><ins>+2015-05-19  Roger Fong  &lt;roger_fong@apple.com&gt;
+
+        Media Controls stop updating after hovering for a few seconds.
+        https://bugs.webkit.org/show_bug.cgi?id=144770.
+        &lt;rdar://problem/19823121&gt;
+
+        Reviewed by Jer Noble.
+
+        * Modules/mediacontrols/mediaControlsApple.js:
+        (Controller.prototype.createBase):
+        We should never hide controls immediately as a result of mousing out of the controls.
+        It should only happen when the mouse leaves the video entirely.
+        (Controller.prototype.updateTimelineMetricsIfNeeded):
+        Don’t update if controls are hidden, timeline dimensions will be 0.
+        (Controller.prototype.handlePanelTransitionEnd): 
+        Instead of adjusting visibility via adding and removing classes,
+        remove controls entirely from the tree.
+        (Controller.prototype.showControls):
+        Add controls back into the tree when showing controls.
+        (Controller.prototype.updateForShowingControls):
+        Helper method for showControls.
+        (Controller.prototype.controlsAreHidden):
+        Controls also hidden if removed from tree.
+
+        Remove forceUpdate logic, no longer necessary.
+        (Controller.prototype.handleDurationChange): 
+        (Controller.prototype.updateProgress):
+        (Controller.prototype.updateTime):
+
+        Override methods to use add and remove panelContainer for iOS.
+        * Modules/mediacontrols/mediaControlsiOS.js:
+        (ControllerIOS.prototype.handlePanelTransitionEnd):
+        (ControllerIOS.prototype.showControls):
+        (ControllerIOS.prototype.controlsAreHidden):
+
</ins><span class="cx"> 2015-05-19  Brent Fulgham  &lt;bfulgham@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         Scroll-snap animations should not start on axes with zero-delta
</span></span></pre></div>
<a id="trunkSourceWebCoreModulesmediacontrolsmediaControlsApplejs"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/Modules/mediacontrols/mediaControlsApple.js (184594 => 184595)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/Modules/mediacontrols/mediaControlsApple.js        2015-05-19 21:49:59 UTC (rev 184594)
+++ trunk/Source/WebCore/Modules/mediacontrols/mediaControlsApple.js        2015-05-19 21:52:15 UTC (rev 184595)
</span><span class="lines">@@ -266,7 +266,7 @@
</span><span class="cx">         var base = this.base = document.createElement('div');
</span><span class="cx">         base.setAttribute('pseudo', '-webkit-media-controls');
</span><span class="cx">         this.listenFor(base, 'mousemove', this.handleWrapperMouseMove);
</span><del>-        this.listenFor(base, 'mouseout', this.handleWrapperMouseOut);
</del><ins>+        this.listenFor(this.video, 'mouseout', this.handleWrapperMouseOut);
</ins><span class="cx">         if (this.host.textTrackContainer)
</span><span class="cx">             base.appendChild(this.host.textTrackContainer);
</span><span class="cx">     },
</span><span class="lines">@@ -291,7 +291,7 @@
</span><span class="cx"> 
</span><span class="cx">     updateTimelineMetricsIfNeeded: function()
</span><span class="cx">     {
</span><del>-        if (this.timelineMetricsNeedsUpdate) {
</del><ins>+        if (this.timelineMetricsNeedsUpdate &amp;&amp; !this.controlsAreHidden()) {
</ins><span class="cx">             this.timelineLeft = this.controls.timeline.offsetLeft;
</span><span class="cx">             this.timelineWidth = this.controls.timeline.offsetWidth;
</span><span class="cx">             this.timelineHeight = this.controls.timeline.offsetHeight;
</span><span class="lines">@@ -682,8 +682,8 @@
</span><span class="cx">     handleDurationChange: function(event)
</span><span class="cx">     {
</span><span class="cx">         this.updateDuration();
</span><del>-        this.updateTime(true);
-        this.updateProgress(true);
</del><ins>+        this.updateTime();
+        this.updateProgress();
</ins><span class="cx">     },
</span><span class="cx"> 
</span><span class="cx">     handlePlay: function(event)
</span><span class="lines">@@ -816,14 +816,9 @@
</span><span class="cx">     handlePanelTransitionEnd: function(event)
</span><span class="cx">     {
</span><span class="cx">         var opacity = window.getComputedStyle(this.controls.panel).opacity;
</span><del>-        if (parseInt(opacity) &gt; 0) {
-            this.controls.panel.classList.remove(this.ClassNames.hidden);
-            if (this.controls.panelBackground)
-                this.controls.panelBackground.classList.remove(this.ClassNames.hidden);
-        } else if (!this.controlsAlwaysVisible()) {
-            this.controls.panel.classList.add(this.ClassNames.hidden);
-            if (this.controls.panelBackground)
-                this.controls.panelBackground.classList.add(this.ClassNames.hidden);
</del><ins>+        if (!parseInt(opacity) &amp;&amp; !this.controlsAlwaysVisible()) {
+            this.base.removeChild(this.controls.inlinePlaybackPlaceholder);
+            this.base.removeChild(this.controls.panel);
</ins><span class="cx">         }
</span><span class="cx">     },
</span><span class="cx"> 
</span><span class="lines">@@ -1147,11 +1142,8 @@
</span><span class="cx">         return gradient;
</span><span class="cx">     },
</span><span class="cx"> 
</span><del>-    updateProgress: function(forceUpdate)
</del><ins>+    updateProgress: function()
</ins><span class="cx">     {
</span><del>-        if (!forceUpdate &amp;&amp; this.controlsAreHidden())
-            return;
-
</del><span class="cx">         this.updateTimelineMetricsIfNeeded();
</span><span class="cx">         this.drawTimelineBackground();
</span><span class="cx">     },
</span><span class="lines">@@ -1359,27 +1351,35 @@
</span><span class="cx">         }
</span><span class="cx">     },
</span><span class="cx"> 
</span><del>-    showControls: function()
</del><ins>+    updateForShowingControls: function()
</ins><span class="cx">     {
</span><del>-        this.updateShouldListenForPlaybackTargetAvailabilityEvent();
-        if (this.showInlinePlaybackPlaceholderOnly())
-            return;
-
</del><span class="cx">         this.updateLayoutForDisplayedWidth();
</span><span class="cx">         this.setNeedsTimelineMetricsUpdate();
</span><del>-        this.updateTime(true);
-        this.updateProgress(true);
</del><ins>+        this.updateTime();
+        this.updateProgress();
</ins><span class="cx">         this.drawVolumeBackground();
</span><span class="cx">         this.drawTimelineBackground();
</span><span class="cx">         this.controls.panel.classList.add(this.ClassNames.show);
</span><span class="cx">         this.controls.panel.classList.remove(this.ClassNames.hidden);
</span><del>-
</del><span class="cx">         if (this.controls.panelBackground) {
</span><span class="cx">             this.controls.panelBackground.classList.add(this.ClassNames.show);
</span><span class="cx">             this.controls.panelBackground.classList.remove(this.ClassNames.hidden);
</span><span class="cx">         }
</span><span class="cx">     },
</span><span class="cx"> 
</span><ins>+    showControls: function()
+    {
+        this.updateShouldListenForPlaybackTargetAvailabilityEvent();
+        if (this.showInlinePlaybackPlaceholderOnly())
+            return;
+
+        this.updateForShowingControls();
+        if (this.shouldHaveControls()) {
+            this.base.appendChild(this.controls.inlinePlaybackPlaceholder);
+            this.base.appendChild(this.controls.panel);
+        }
+    },
+
</ins><span class="cx">     hideControls: function()
</span><span class="cx">     {
</span><span class="cx">         if (this.controlsAlwaysVisible())
</span><span class="lines">@@ -1455,7 +1455,8 @@
</span><span class="cx"> 
</span><span class="cx">     controlsAreHidden: function()
</span><span class="cx">     {
</span><del>-        return !this.controlsAlwaysVisible() &amp;&amp; !this.controls.panel.classList.contains(this.ClassNames.show);
</del><ins>+        // Controls are only ever actually hidden when they are removed from the tree
+        return !this.controls.panel.parentElement;
</ins><span class="cx">     },
</span><span class="cx"> 
</span><span class="cx">     removeControls: function()
</span><span class="lines">@@ -1472,11 +1473,8 @@
</span><span class="cx">         this.setNeedsTimelineMetricsUpdate();
</span><span class="cx">     },
</span><span class="cx"> 
</span><del>-    updateTime: function(forceUpdate)
</del><ins>+    updateTime: function()
</ins><span class="cx">     {
</span><del>-        if (!forceUpdate &amp;&amp; this.controlsAreHidden())
-            return;
-
</del><span class="cx">         var currentTime = this.video.currentTime;
</span><span class="cx">         var timeRemaining = currentTime - this.video.duration;
</span><span class="cx">         this.controls.currentTime.innerText = this.formatTime(currentTime);
</span></span></pre></div>
<a id="trunkSourceWebCoreModulesmediacontrolsmediaControlsiOSjs"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/Modules/mediacontrols/mediaControlsiOS.js (184594 => 184595)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/Modules/mediacontrols/mediaControlsiOS.js        2015-05-19 21:49:59 UTC (rev 184594)
+++ trunk/Source/WebCore/Modules/mediacontrols/mediaControlsiOS.js        2015-05-19 21:52:15 UTC (rev 184595)
</span><span class="lines">@@ -202,6 +202,12 @@
</span><span class="cx">         // Explicitly do nothing to override base-class behavior.
</span><span class="cx">     },
</span><span class="cx"> 
</span><ins>+    controlsAreHidden: function()
+    {
+        // Controls are only ever actually hidden when they are removed from the tree
+        return !this.controls.panelContainer.parentElement;
+    },
+
</ins><span class="cx">     addControls: function() {
</span><span class="cx">         this.base.appendChild(this.controls.inlinePlaybackPlaceholder);
</span><span class="cx">         this.base.appendChild(this.controls.panelContainer);
</span><span class="lines">@@ -380,6 +386,15 @@
</span><span class="cx">         this.updateShouldListenForPlaybackTargetAvailabilityEvent();
</span><span class="cx">     },
</span><span class="cx"> 
</span><ins>+    handlePanelTransitionEnd: function(event)
+    {
+        var opacity = window.getComputedStyle(this.controls.panel).opacity;
+        if (!parseInt(opacity) &amp;&amp; !this.controlsAlwaysVisible()) {
+            this.base.removeChild(this.controls.inlinePlaybackPlaceholder);
+            this.base.removeChild(this.controls.panelContainer);
+        }
+    },
+
</ins><span class="cx">     presentationMode: function() {
</span><span class="cx">         if ('webkitPresentationMode' in this.video)
</span><span class="cx">             return this.video.webkitPresentationMode;
</span><span class="lines">@@ -535,6 +550,19 @@
</span><span class="cx">             this.showControls();
</span><span class="cx">     },
</span><span class="cx"> 
</span><ins>+    showControls: function()
+    {
+        this.updateShouldListenForPlaybackTargetAvailabilityEvent();
+        if (this.showInlinePlaybackPlaceholderOnly())
+            return;
+        
+        this.updateForShowingControls();
+        if (this.shouldHaveControls()) {
+            this.base.appendChild(this.controls.inlinePlaybackPlaceholder);
+            this.base.appendChild(this.controls.panelContainer);
+        }
+    },
+
</ins><span class="cx">     setShouldListenForPlaybackTargetAvailabilityEvent: function(shouldListen)
</span><span class="cx">     {
</span><span class="cx">         if (shouldListen &amp;&amp; (this.shouldHaveStartPlaybackButton() || this.video.error))
</span></span></pre>
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