[html5] r7329 - [giow] (1) Avoid firing enter/exit events on cues that have just been introduced [...]

[whatwg at whatwg.org]

Author: ianh
Date: 2012-09-11 16:23:12 -0700 (Tue, 11 Sep 2012)
New Revision: 7329

Modified:
   complete.html
   index
   source
Log:
[giow] (1) Avoid firing enter/exit events on cues that have just been introduced, e.g. when a track is enabled, since that's just crazy.
Fixing https://www.w3.org/Bugs/Public/show_bug.cgi?id=17235
Affected topics: Video and Audio

Modified: complete.html
===================================================================
--- complete.html	2012-09-11 22:49:47 UTC (rev 7328)
+++ complete.html	2012-09-11 23:23:12 UTC (rev 7329)
@@ -31729,7 +31729,21 @@
   unpaused, or it could be unpaused but stalled waiting for content to
   buffer.</p>
 
-  <hr><p>When the <a href=#current-playback-position>current playback position</a> of a <a href=#media-element>media
+  <hr><p>Each <a href=#media-element>media element</a> has a <span>list of newly
+  introduced cues</span>, which must be initially empty. Whenever a
+  <a href=#text-track-cue>text track cue</a> is added to the <a href=#text-track-list-of-cues title="text track
+  list of cues">list of cues</a> of a <a href=#text-track>text track</a> that
+  is in the <a href=#list-of-text-tracks>list of text tracks</a> for a <a href=#media-element>media
+  element</a>, that <a href=#text-track-cue title="text track cue">cue</a> must be
+  added to the <a href=#media-element>media element</a>'s <span>list of newly
+  introduced cues</span>. Whenever a <a href=#text-track>text track</a> is added
+  to the <a href=#list-of-text-tracks>list of text tracks</a> for a <a href=#media-element>media
+  element</a>, all of the <a href=#text-track-cue title="text track cue">cues</a>
+  in that <a href=#text-track>text track</a>'s <a href=#text-track-list-of-cues title="text track list of
+  cues">list of cues</a> must be added to the <a href=#media-element>media
+  element</a>'s <span>list of newly introduced cues</span>.</p>
+
+  <p>When the <a href=#current-playback-position>current playback position</a> of a <a href=#media-element>media
   element</a> changes (e.g. due to playback or seeking), the user
   agent must run the following steps. If the <a href=#current-playback-position>current playback
   position</a> changes while the steps are running, then the user
@@ -31769,6 +31783,12 @@
    equal to the <a href=#current-playback-position>current playback position</a>. Otherwise, let
    <var title="">missed cues</var> be an empty list.</li>
 
+   <li><p>Remove all the <a href=#text-track-cue title="text track cue">cues</a> in
+   <var title="">missed cues</var> that are also in the <a href=#media-element>media
+   element</a>'s <span>list of newly introduced cues</span>, and
+   then empty the element's <span>list of newly introduced
+   cues</span>.</li>
+
    <li><p>If the time was reached through the usual monotonic increase
    of the <a href=#current-playback-position>current playback position</a> during normal
    playback, and if the user agent has not fired a <code title=event-media-timeupdate><a href=#event-media-timeupdate>timeupdate</a></code> event at the

Modified: index
===================================================================
--- index	2012-09-11 22:49:47 UTC (rev 7328)
+++ index	2012-09-11 23:23:12 UTC (rev 7329)
@@ -31729,7 +31729,21 @@
   unpaused, or it could be unpaused but stalled waiting for content to
   buffer.</p>
 
-  <hr><p>When the <a href=#current-playback-position>current playback position</a> of a <a href=#media-element>media
+  <hr><p>Each <a href=#media-element>media element</a> has a <span>list of newly
+  introduced cues</span>, which must be initially empty. Whenever a
+  <a href=#text-track-cue>text track cue</a> is added to the <a href=#text-track-list-of-cues title="text track
+  list of cues">list of cues</a> of a <a href=#text-track>text track</a> that
+  is in the <a href=#list-of-text-tracks>list of text tracks</a> for a <a href=#media-element>media
+  element</a>, that <a href=#text-track-cue title="text track cue">cue</a> must be
+  added to the <a href=#media-element>media element</a>'s <span>list of newly
+  introduced cues</span>. Whenever a <a href=#text-track>text track</a> is added
+  to the <a href=#list-of-text-tracks>list of text tracks</a> for a <a href=#media-element>media
+  element</a>, all of the <a href=#text-track-cue title="text track cue">cues</a>
+  in that <a href=#text-track>text track</a>'s <a href=#text-track-list-of-cues title="text track list of
+  cues">list of cues</a> must be added to the <a href=#media-element>media
+  element</a>'s <span>list of newly introduced cues</span>.</p>
+
+  <p>When the <a href=#current-playback-position>current playback position</a> of a <a href=#media-element>media
   element</a> changes (e.g. due to playback or seeking), the user
   agent must run the following steps. If the <a href=#current-playback-position>current playback
   position</a> changes while the steps are running, then the user
@@ -31769,6 +31783,12 @@
    equal to the <a href=#current-playback-position>current playback position</a>. Otherwise, let
    <var title="">missed cues</var> be an empty list.</li>
 
+   <li><p>Remove all the <a href=#text-track-cue title="text track cue">cues</a> in
+   <var title="">missed cues</var> that are also in the <a href=#media-element>media
+   element</a>'s <span>list of newly introduced cues</span>, and
+   then empty the element's <span>list of newly introduced
+   cues</span>.</li>
+
    <li><p>If the time was reached through the usual monotonic increase
    of the <a href=#current-playback-position>current playback position</a> during normal
    playback, and if the user agent has not fired a <code title=event-media-timeupdate><a href=#event-media-timeupdate>timeupdate</a></code> event at the

Modified: source
===================================================================
--- source	2012-09-11 22:49:47 UTC (rev 7328)
+++ source	2012-09-11 23:23:12 UTC (rev 7329)
@@ -34625,6 +34625,20 @@
 
   <hr>
 
+  <p>Each <span>media element</span> has a <span>list of newly
+  introduced cues</span>, which must be initially empty. Whenever a
+  <span>text track cue</span> is added to the <span title="text track
+  list of cues">list of cues</span> of a <span>text track</span> that
+  is in the <span>list of text tracks</span> for a <span>media
+  element</span>, that <span title="text track cue">cue</span> must be
+  added to the <span>media element</span>'s <span>list of newly
+  introduced cues</span>. Whenever a <span>text track</span> is added
+  to the <span>list of text tracks</span> for a <span>media
+  element</span>, all of the <span title="text track cue">cues</span>
+  in that <span>text track</span>'s <span title="text track list of
+  cues">list of cues</span> must be added to the <span>media
+  element</span>'s <span>list of newly introduced cues</span>.</p>
+
   <p>When the <span>current playback position</span> of a <span>media
   element</span> changes (e.g. due to playback or seeking), the user
   agent must run the following steps. If the <span>current playback
@@ -34675,6 +34689,12 @@
    equal to the <span>current playback position</span>. Otherwise, let
    <var title="">missed cues</var> be an empty list.</p></li>
 
+   <li><p>Remove all the <span title="text track cue">cues</span> in
+   <var title="">missed cues</var> that are also in the <span>media
+   element</span>'s <span>list of newly introduced cues</span>, and
+   then empty the element's <span>list of newly introduced
+   cues</span>.</p></li>
+
    <li><p>If the time was reached through the usual monotonic increase
    of the <span>current playback position</span> during normal
    playback, and if the user agent has not fired a <code