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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/212571">212571</a></dd>
<dt>Author</dt> <dd>graouts@webkit.org</dd>
<dt>Date</dt> <dd>2017-02-17 13:32:10 -0800 (Fri, 17 Feb 2017)</dd>
</dl>

<h3>Log Message</h3>
<pre>REGRESSION: Subtitles menu in media controls allows multiple items to be selected
https://bugs.webkit.org/show_bug.cgi?id=168168
&lt;rdar://problem/30488605&gt;

Reviewed by Dean Jackson.

Source/WebCore:

Ensure that only a single audio track and a single text track can be selected
in the tracks panel at any given point.

* Modules/modern-media-controls/media/tracks-support.js:
(TracksSupport.prototype.tracksPanelSelectionDidChange):
(TracksSupport.prototype._sortedTrackList):
(TracksSupport):

LayoutTests:

Enhance the interactive track selection test to select a second track and check
that only a single track is selected at once.

* media/modern-media-controls/tracks-support/tracks-support-click-track-in-panel-expected.txt:
* media/modern-media-controls/tracks-support/tracks-support-click-track-in-panel.html:</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkLayoutTestsChangeLog">trunk/LayoutTests/ChangeLog</a></li>
<li><a href="#trunkLayoutTestsmediamodernmediacontrolstrackssupporttrackssupportclicktrackinpanelexpectedtxt">trunk/LayoutTests/media/modern-media-controls/tracks-support/tracks-support-click-track-in-panel-expected.txt</a></li>
<li><a href="#trunkLayoutTestsmediamodernmediacontrolstrackssupporttrackssupportclicktrackinpanelhtml">trunk/LayoutTests/media/modern-media-controls/tracks-support/tracks-support-click-track-in-panel.html</a></li>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCoreModulesmodernmediacontrolsmediatrackssupportjs">trunk/Source/WebCore/Modules/modern-media-controls/media/tracks-support.js</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkLayoutTestsChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/ChangeLog (212570 => 212571)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/ChangeLog        2017-02-17 21:30:15 UTC (rev 212570)
+++ trunk/LayoutTests/ChangeLog        2017-02-17 21:32:10 UTC (rev 212571)
</span><span class="lines">@@ -1,3 +1,17 @@
</span><ins>+2017-02-17  Antoine Quint  &lt;graouts@apple.com&gt;
+
+        REGRESSION: Subtitles menu in media controls allows multiple items to be selected
+        https://bugs.webkit.org/show_bug.cgi?id=168168
+        &lt;rdar://problem/30488605&gt;
+
+        Reviewed by Dean Jackson.
+
+        Enhance the interactive track selection test to select a second track and check
+        that only a single track is selected at once.
+
+        * media/modern-media-controls/tracks-support/tracks-support-click-track-in-panel-expected.txt:
+        * media/modern-media-controls/tracks-support/tracks-support-click-track-in-panel.html:
+
</ins><span class="cx"> 2017-02-17  Ryan Haddad  &lt;ryanhaddad@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         Update TestExpectations for fast/css/appearance-apple-pay-button.html.
</span></span></pre></div>
<a id="trunkLayoutTestsmediamodernmediacontrolstrackssupporttrackssupportclicktrackinpanelexpectedtxt"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/media/modern-media-controls/tracks-support/tracks-support-click-track-in-panel-expected.txt (212570 => 212571)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/media/modern-media-controls/tracks-support/tracks-support-click-track-in-panel-expected.txt        2017-02-17 21:30:15 UTC (rev 212570)
+++ trunk/LayoutTests/media/modern-media-controls/tracks-support/tracks-support-click-track-in-panel-expected.txt        2017-02-17 21:32:10 UTC (rev 212571)
</span><span class="lines">@@ -3,13 +3,26 @@
</span><span class="cx"> On success, you will see a series of &quot;PASS&quot; messages, followed by &quot;TEST COMPLETE&quot;.
</span><span class="cx"> 
</span><span class="cx"> 
</span><del>-PASS media.audioTracks[1].enabled is false
</del><ins>+media.audioTracks[0].enabled = true
+media.audioTracks[1].enabled = false
+media.audioTracks[2].enabled = false
</ins><span class="cx"> 
</span><span class="cx"> Clicking on the tracks button
</span><span class="cx"> Clicking on second audio track in tracks panel
</span><ins>+
</ins><span class="cx"> Obtained change event on media audio tracks
</span><del>-PASS media.audioTracks[1].enabled is true
</del><ins>+media.audioTracks[0].enabled = false
+media.audioTracks[1].enabled = true
+media.audioTracks[2].enabled = false
</ins><span class="cx"> 
</span><ins>+Clicking on the tracks button
+Clicking on third audio track in tracks panel
+
+Obtained change event on media audio tracks
+media.audioTracks[0].enabled = false
+media.audioTracks[1].enabled = false
+media.audioTracks[2].enabled = true
+
</ins><span class="cx"> PASS successfullyParsed is true
</span><span class="cx"> 
</span><span class="cx"> TEST COMPLETE
</span></span></pre></div>
<a id="trunkLayoutTestsmediamodernmediacontrolstrackssupporttrackssupportclicktrackinpanelhtml"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/media/modern-media-controls/tracks-support/tracks-support-click-track-in-panel.html (212570 => 212571)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/media/modern-media-controls/tracks-support/tracks-support-click-track-in-panel.html        2017-02-17 21:30:15 UTC (rev 212570)
+++ trunk/LayoutTests/media/modern-media-controls/tracks-support/tracks-support-click-track-in-panel.html        2017-02-17 21:32:10 UTC (rev 212571)
</span><span class="lines">@@ -1,7 +1,7 @@
</span><span class="cx"> &lt;!DOCTYPE html&gt;
</span><span class="cx"> &lt;script src=&quot;../../../resources/js-test-pre.js&quot;&gt;&lt;/script&gt;
</span><span class="cx"> &lt;body&gt;
</span><del>-&lt;video src=&quot;../../content/CC+Subtitles.mov&quot; style=&quot;width: 640px; height: 360px;&quot; controls autoplay&gt;&lt;/video&gt;
</del><ins>+&lt;video src=&quot;../../content/CC+Subtitles.mov&quot; style=&quot;position: absolute; left: 0; top: 0; width: 640px; height: 360px;&quot; controls autoplay&gt;&lt;/video&gt;
</ins><span class="cx"> &lt;script type=&quot;text/javascript&quot;&gt;
</span><span class="cx"> 
</span><span class="cx"> window.jsTestIsAsync = true;
</span><span class="lines">@@ -11,33 +11,47 @@
</span><span class="cx"> const media = document.querySelector(&quot;video&quot;);
</span><span class="cx"> const shadowRoot = window.internals.shadowRoot(media);
</span><span class="cx"> 
</span><ins>+let previouslySelectedTrack = 0;
+
</ins><span class="cx"> media.addEventListener(&quot;play&quot;, () =&gt; {
</span><span class="cx">     media.pause();
</span><span class="cx"> 
</span><del>-    shouldBeFalse(&quot;media.audioTracks[1].enabled&quot;);
-    debug(&quot;&quot;);
</del><ins>+    dumpAudioTracksEnabledState();
</ins><span class="cx"> 
</span><span class="cx">     media.audioTracks.addEventListener(&quot;change&quot;, audioTracksDidChange);
</span><del>-    window.requestAnimationFrame(() =&gt; {
-        clickOnTracksButton();
-        window.requestAnimationFrame(clickOnSecondAudioTrack);
-    });
</del><ins>+    clickOnTracksButton(clickOnSecondAudioTrack);
</ins><span class="cx"> });
</span><span class="cx"> 
</span><del>-function clickOnTracksButton()
</del><ins>+function clickOnTracksButton(continuation)
</ins><span class="cx"> {
</span><del>-    debug(&quot;Clicking on the tracks button&quot;);
-    const bounds = shadowRoot.lastChild.querySelector(&quot;button.tracks&quot;).getBoundingClientRect();
-    eventSender.mouseMoveTo(bounds.left + 1, bounds.top + 1);
-    eventSender.mouseDown();
-    eventSender.mouseUp();
</del><ins>+    window.requestAnimationFrame(() =&gt; {
+        debug(&quot;&quot;);
+        debug(&quot;Clicking on the tracks button&quot;);
+        clickOnElement(shadowRoot.lastChild.querySelector(&quot;button.tracks&quot;));
+        window.requestAnimationFrame(continuation);
+    });
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> function clickOnSecondAudioTrack()
</span><span class="cx"> {
</span><span class="cx">     debug(&quot;Clicking on second audio track in tracks panel&quot;);
</span><del>-    const secondAudioTrack = shadowRoot.lastChild.querySelectorAll(&quot;li&quot;)[1];
-    const bounds = secondAudioTrack.getBoundingClientRect();
</del><ins>+    clickOnAudioTrackAtIndex(1);
+}
+
+function clickOnThirdAudioTrack()
+{
+    debug(&quot;Clicking on third audio track in tracks panel&quot;);
+    clickOnAudioTrackAtIndex(2);
+}
+
+function clickOnAudioTrackAtIndex(index)
+{
+    clickOnElement(shadowRoot.lastChild.querySelectorAll(&quot;li&quot;)[index]);
+}
+
+function clickOnElement(element)
+{
+    const bounds = element.getBoundingClientRect();
</ins><span class="cx">     eventSender.mouseMoveTo(bounds.left + 1, bounds.top + 1);
</span><span class="cx">     eventSender.mouseDown();
</span><span class="cx">     eventSender.mouseUp();
</span><span class="lines">@@ -45,14 +59,33 @@
</span><span class="cx"> 
</span><span class="cx"> function audioTracksDidChange()
</span><span class="cx"> {
</span><ins>+    const newSelectedTrack = Array.from(media.audioTracks).findIndex(track =&gt; track.enabled);
+    if (previouslySelectedTrack === newSelectedTrack)
+        return;
+
+    previouslySelectedTrack = newSelectedTrack;
+
+    debug(&quot;&quot;);
</ins><span class="cx">     debug(&quot;Obtained change event on media audio tracks&quot;);
</span><del>-    shouldBeTrue(&quot;media.audioTracks[1].enabled&quot;);
</del><span class="cx"> 
</span><del>-    debug(&quot;&quot;);
-    media.remove();
-    finishJSTest();
</del><ins>+    dumpAudioTracksEnabledState();
+
+    if (media.audioTracks[1].enabled)
+        shadowRoot.lastChild.addEventListener(&quot;transitionend&quot;, event =&gt; clickOnTracksButton(clickOnThirdAudioTrack));
+    else if (media.audioTracks[2].enabled) {
+        debug(&quot;&quot;);
+        media.remove();
+        finishJSTest();
+    }
</ins><span class="cx"> }
</span><span class="cx"> 
</span><ins>+function dumpAudioTracksEnabledState()
+{
+    Array.from(media.audioTracks).forEach((audioTrack, index) =&gt; {
+        debug(`media.audioTracks[${index}].enabled = ${media.audioTracks[index].enabled}`);
+    });
+}
+
</ins><span class="cx"> &lt;/script&gt;
</span><span class="cx"> &lt;script src=&quot;../../../resources/js-test-post.js&quot;&gt;&lt;/script&gt;
</span><span class="cx"> &lt;/body&gt;
</span></span></pre></div>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (212570 => 212571)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog        2017-02-17 21:30:15 UTC (rev 212570)
+++ trunk/Source/WebCore/ChangeLog        2017-02-17 21:32:10 UTC (rev 212571)
</span><span class="lines">@@ -1,3 +1,19 @@
</span><ins>+2017-02-17  Antoine Quint  &lt;graouts@apple.com&gt;
+
+        REGRESSION: Subtitles menu in media controls allows multiple items to be selected
+        https://bugs.webkit.org/show_bug.cgi?id=168168
+        &lt;rdar://problem/30488605&gt;
+
+        Reviewed by Dean Jackson.
+
+        Ensure that only a single audio track and a single text track can be selected
+        in the tracks panel at any given point.
+
+        * Modules/modern-media-controls/media/tracks-support.js:
+        (TracksSupport.prototype.tracksPanelSelectionDidChange):
+        (TracksSupport.prototype._sortedTrackList):
+        (TracksSupport):
+
</ins><span class="cx"> 2017-02-17  Jeremy Jones  &lt;jeremyj@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         Invalidate WebAVSampleBufferStatusChangeListener when MediaPlayerPrivateMediaStreamAVFObjC is deallocated.
</span></span></pre></div>
<a id="trunkSourceWebCoreModulesmodernmediacontrolsmediatrackssupportjs"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/Modules/modern-media-controls/media/tracks-support.js (212570 => 212571)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/Modules/modern-media-controls/media/tracks-support.js        2017-02-17 21:30:15 UTC (rev 212570)
+++ trunk/Source/WebCore/Modules/modern-media-controls/media/tracks-support.js        2017-02-17 21:32:10 UTC (rev 212571)
</span><span class="lines">@@ -105,13 +105,10 @@
</span><span class="cx"> 
</span><span class="cx">     tracksPanelSelectionDidChange(trackIndex, sectionIndex)
</span><span class="cx">     {
</span><del>-        if (sectionIndex == 0 &amp;&amp; this._canPickAudioTracks()) {
-            let track = this._audioTracks()[trackIndex];
-            track.enabled = !track.enabled;
-        } else {
-            let track = this._textTracks()[trackIndex];
-            track.mode = track.mode === &quot;disabled&quot; ? &quot;showing&quot; : &quot;disabled&quot;;
-        }
</del><ins>+        if (sectionIndex == 0 &amp;&amp; this._canPickAudioTracks())
+            this._audioTracks().forEach((audioTrack, index) =&gt; audioTrack.enabled = index === trackIndex);
+        else
+            this._textTracks().forEach((textTrack, index) =&gt; textTrack.mode = index === trackIndex ? &quot;showing&quot; : &quot;disabled&quot;);
</ins><span class="cx"> 
</span><span class="cx">         this.mediaController.controls.hideTracksPanel();
</span><span class="cx">     }
</span><span class="lines">@@ -147,9 +144,7 @@
</span><span class="cx"> 
</span><span class="cx">     _sortedTrackList(tracks)
</span><span class="cx">     {
</span><del>-        if (this.mediaController.host)
-            return this.mediaController.host.sortedTrackListForMenu(tracks);
-        return tracks;
</del><ins>+        return Array.from(this.mediaController.host ? this.mediaController.host.sortedTrackListForMenu(tracks) : tracks);
</ins><span class="cx">     }
</span><span class="cx"> 
</span><span class="cx"> }
</span></span></pre>
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