Bug 1167542 - Implement SpeechSynthesisErrorEvent. r=smaug

--HG--
extra : rebase_source : 4dde80daffeffbfd2d9d412733dbee0855d19011

dom/events/test/test_all_synthetic_events.html

@@ -435,6 +435,12 @@ const kEventConstructors = {
                                                          return new SpeechRecognitionEvent(aName, aProps);
                                                        },
                                              },
+  SpeechSynthesisErrorEvent:                 { create: function (aName, aProps) {
+                                                         aProps.error = "synthesis-unavailable";
+                                                         aProps.utterance = new SpeechSynthesisUtterance("Hello World");
+                                                         return new SpeechSynthesisErrorEvent(aName, aProps);
+                                                       },
+                                             },
   SpeechSynthesisEvent:                      { create: function (aName, aProps) {
                                                          aProps.utterance = new SpeechSynthesisUtterance("Hello World");
                                                          return new SpeechSynthesisEvent(aName, aProps);

dom/media/webspeech/synth/test/file_setup.html

@@ -27,6 +27,7 @@ https://bugzilla.mozilla.org/show_bug.cgi?id=525444
 
 ok(SpeechSynthesis, "SpeechSynthesis exists in global scope");
 ok(SpeechSynthesisVoice, "SpeechSynthesisVoice exists in global scope");
+ok(SpeechSynthesisErrorEvent, "SpeechSynthesisErrorEvent exists in global scope");
 ok(SpeechSynthesisEvent, "SpeechSynthesisEvent exists in global scope");
 
 // SpeechSynthesisUtterance is the only type that has a constructor

dom/tests/mochitest/general/test_interfaces.html

@@ -964,6 +964,8 @@ var interfaceNamesInGlobalScope =
     {name: "SourceBuffer", linux: false, release: false},
 // IMPORTANT: Do not change this list without review from a DOM peer!
     {name: "SourceBufferList", linux: false, release: false},
+// IMPORTANT: Do not change this list without review from a DOM peer!
+    {name: "SpeechSynthesisErrorEvent", b2g: true},
 // IMPORTANT: Do not change this list without review from a DOM peer!
     {name: "SpeechSynthesisEvent", b2g: true},
 // IMPORTANT: Do not change this list without review from a DOM peer!

dom/webidl/SpeechSynthesisErrorEvent.webidl

@@ -0,0 +1,36 @@
+/* -*- 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
+ * http://dvcs.w3.org/hg/speech-api/raw-file/tip/speechapi.html
+ *
+ * Copyright © 2012 W3C® (MIT, ERCIM, Keio), All Rights Reserved. W3C
+ * liability, trademark and document use rules apply.
+ */
+
+enum SpeechSynthesisErrorCode {
+  "canceled",
+  "interrupted",
+  "audio-busy",
+  "audio-hardware",
+  "network",
+  "synthesis-unavailable",
+  "synthesis-failed",
+  "language-unavailable",
+  "voice-unavailable",
+  "text-too-long",
+  "invalid-argument",
+};
+
+[Constructor(DOMString type, optional SpeechSynthesisErrorEventInit eventInitDict),
+ Pref="media.webspeech.synth.enabled"]
+interface SpeechSynthesisErrorEvent : SpeechSynthesisEvent {
+  readonly attribute SpeechSynthesisErrorCode error;
+};
+
+dictionary SpeechSynthesisErrorEventInit : SpeechSynthesisEventInit
+{
+  required SpeechSynthesisErrorCode error;
+};

dom/webidl/moz.build

@@ -611,6 +611,7 @@ if CONFIG['MOZ_WEBSPEECH']:
         'SpeechRecognitionResult.webidl',
         'SpeechRecognitionResultList.webidl',
         'SpeechSynthesis.webidl',
+        'SpeechSynthesisErrorEvent.webidl',
         'SpeechSynthesisEvent.webidl',
         'SpeechSynthesisUtterance.webidl',
         'SpeechSynthesisVoice.webidl',
@@ -788,6 +789,7 @@ GENERATED_EVENTS_WEBIDL_FILES = [
 if CONFIG['MOZ_WEBSPEECH']:
     GENERATED_EVENTS_WEBIDL_FILES += [
         'SpeechRecognitionEvent.webidl',
+        'SpeechSynthesisErrorEvent.webidl',
         'SpeechSynthesisEvent.webidl',
     ]