Bug 909993 - Add WebIDL for TextTrackCue and fix link in VTTCue.webidl. r=rillian r=bz

dom/media/test/test_texttrackcue.html

@@ -45,11 +45,13 @@ SpecialPowers.pushPrefEnv({"set": [["media.webvtt.regions.enabled", true]]},
       is(cueList.length, 6, "Cue list length should be 6.");
 
       // Check that the typedef of TextTrackCue works in Gecko.
-      is(window.TextTrackCue, undefined, "TextTrackCue should be undefined.");
+      isnot(window.TextTrackCue, undefined, "TextTrackCue should be defined.");
       isnot(window.VTTCue, undefined, "VTTCue should be defined.");
 
       // Check if first cue was parsed correctly.
       var cue = cueList[0];
+      ok(cue instanceof TextTrackCue, "Cue should be an instanceof TextTrackCue.");
+      ok(cue instanceof VTTCue, "Cue should be an instanceof VTTCue.");
       is(cue.id, "1", "Cue's ID should be 1.");
       is(cue.startTime, 0.5, "Cue's start time should be 0.5.");
       is(cue.endTime, 0.7, "Cue's end time should be 0.7.");

dom/tests/mochitest/general/test_interfaces.html

@@ -1275,6 +1275,8 @@ var interfaceNamesInGlobalScope =
     "TextMetrics",
 // IMPORTANT: Do not change this list without review from a DOM peer!
     "TextTrack",
+// IMPORTANT: Do not change this list without review from a DOM peer!
+    "TextTrackCue",
 // IMPORTANT: Do not change this list without review from a DOM peer!
     "TextTrackCueList",
 // IMPORTANT: Do not change this list without review from a DOM peer!

dom/webidl/TextTrackCue.webidl

@@ -0,0 +1,21 @@
+/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * The origin of this IDL file is
+ * https://html.spec.whatwg.org/#texttrackcue
+ */
+
+[Pref="media.webvtt.enabled"]
+interface TextTrackCue : EventTarget {
+  readonly attribute TextTrack? track;
+
+  attribute DOMString id;
+  attribute double startTime;
+  attribute double endTime;
+  attribute boolean pauseOnExit;
+
+  attribute EventHandler onenter;
+  attribute EventHandler onexit;
+};

dom/webidl/VTTCue.webidl

@@ -4,7 +4,7 @@
  * You can obtain one at http://mozilla.org/MPL/2.0/.
  *
  * The origin of this IDL file is
- * http://www.whatwg.org/specs/web-apps/current-work/#texttrackcue
+ * http://dev.w3.org/html5/webvtt/#the-vttcue-interface
  */
 
 enum AutoKeyword { "auto" };
@@ -25,13 +25,7 @@ enum DirectionSetting {
 
 [Constructor(double startTime, double endTime, DOMString text),
  Pref="media.webvtt.enabled"]
-interface VTTCue : EventTarget {
-  readonly attribute TextTrack? track;
-
-  attribute DOMString id;
-  attribute double startTime;
-  attribute double endTime;
-  attribute boolean pauseOnExit;
+interface VTTCue : TextTrackCue {
   [Pref="media.webvtt.regions.enabled"]
   attribute VTTRegion? region;
   attribute DirectionSetting vertical;
@@ -48,10 +42,6 @@ interface VTTCue : EventTarget {
   attribute AlignSetting align;
   attribute DOMString text;
   DocumentFragment getCueAsHTML();
-
-  attribute EventHandler onenter;
-
-  attribute EventHandler onexit;
 };
 
 // Mozilla extensions.

dom/webidl/moz.build

@@ -521,6 +521,7 @@ WEBIDL_FILES = [
     'TextDecoder.webidl',
     'TextEncoder.webidl',
     'TextTrack.webidl',
+    'TextTrackCue.webidl',
     'TextTrackCueList.webidl',
     'TextTrackList.webidl',
     'ThreadSafeChromeUtils.webidl',

testing/web-platform/meta/html/dom/interfaces.html.ini

@@ -1273,39 +1273,6 @@
   [TextTrack interface: document.createElement("track").track must inherit property "oncuechange" with the proper type (10)]
     expected: FAIL
 
-  [TextTrackCue interface: existence and properties of interface object]
-    expected: FAIL
-
-  [TextTrackCue interface object length]
-    expected: FAIL
-
-  [TextTrackCue interface: existence and properties of interface prototype object]
-    expected: FAIL
-
-  [TextTrackCue interface: existence and properties of interface prototype object's "constructor" property]
-    expected: FAIL
-
-  [TextTrackCue interface: attribute track]
-    expected: FAIL
-
-  [TextTrackCue interface: attribute id]
-    expected: FAIL
-
-  [TextTrackCue interface: attribute startTime]
-    expected: FAIL
-
-  [TextTrackCue interface: attribute endTime]
-    expected: FAIL
-
-  [TextTrackCue interface: attribute pauseOnExit]
-    expected: FAIL
-
-  [TextTrackCue interface: attribute onenter]
-    expected: FAIL
-
-  [TextTrackCue interface: attribute onexit]
-    expected: FAIL
-
   [TrackEvent must be primary interface of new TrackEvent("addtrack"; {track:document.createElement("track").track})]
     expected: FAIL
 

testing/web-platform/meta/html/semantics/embedded-content/media-elements/historical.html.ini

@@ -3,6 +3,3 @@
   [source.media should not be supported]
     expected: FAIL
 
-  [TextTrackCue constructor should not be supported]
-    expected: FAIL
-