1 files changed, 85 insertions, 0 deletions
diff --git a/chromium/chrome/browser/resources/chromeos/chromevox/chromevox/injected/initial_speech.js b/chromium/chrome/browser/resources/chromeos/chromevox/chromevox/injected/initial_speech.js
new file mode 100644
index 00000000000..654769aa154
--- /dev/null
+++ b/chromium/chrome/browser/resources/chromeos/chromevox/chromevox/injected/initial_speech.js
@@ -0,0 +1,85 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+/**
+ * @fileoverview Defines the initial speech call.
+ */
+
+goog.provide('cvox.InitialSpeech');
+
+goog.require('cvox.AbstractTts');
+goog.require('cvox.BrailleOverlayWidget');
+goog.require('cvox.ChromeVox');
+goog.require('cvox.CursorSelection');
+goog.require('cvox.DescriptionUtil');
+goog.require('cvox.DomUtil');
+goog.require('cvox.LiveRegions');
+
+// INJECTED_AFTER_LOAD is set true by ChromeVox itself or ChromeOS when this
+// script is injected after page load (i.e. when manually enabling ChromeVox).
+if (!window['INJECTED_AFTER_LOAD'])
+  window['INJECTED_AFTER_LOAD'] = false;
+
+
+/**
+ * Initial speech when the page loads. This may happen only after we get
+ * prefs back, so we can make sure ChromeVox is active.
+ */
+cvox.InitialSpeech.speak = function() {
+  // Don't speak page title and other information if this script is not injected
+  // at the time of page load. This global is set by Chrome OS.
+  var disableSpeak = window['INJECTED_AFTER_LOAD'];
+
+  if (!cvox.ChromeVox.isActive || document.webkitHidden) {
+    disableSpeak = true;
+  }
+
+  // If we're the top-level frame, speak the title of the page +
+  // the active element if it is a user control.
+  if (window.top == window) {
+    var title = document.title;
+
+    // Allow the web author to disable reading the page title on load
+    // by adding aria-hidden=true to the <title> element.
+    var titleElement = document.querySelector('head > title');
+    if (titleElement && titleElement.getAttribute('aria-hidden') == 'true') {
+      title = null;
+    }
+
+    if (title && !disableSpeak) {
+      cvox.ChromeVox.tts.speak(
+          title, cvox.AbstractTts.QUEUE_MODE_FLUSH);
+    }
+    cvox.BrailleOverlayWidget.getInstance().init();
+  }
+
+  // Initialize live regions and speak alerts.
+  cvox.LiveRegions.init(
+      new Date(), cvox.AbstractTts.QUEUE_MODE_QUEUE, disableSpeak);
+
+  // If our activeElement is on body, try to sync to the first element. This
+  // actually happens inside of NavigationManager.reset, which doesn't get
+  // called until AbstractHost.onPageLoad, but we need to speak and braille the
+  // initial node here.
+  if (document.hasFocus() && document.activeElement == document.body) {
+    cvox.ChromeVox.navigationManager.syncToBeginning();
+  }
+
+  // If we had a previous position recorded, update to it.
+  if (cvox.ChromeVox.position[document.location.href]) {
+    var pos = cvox.ChromeVox.position[document.location.href];
+    cvox.ChromeVox.navigationManager.updateSelToArbitraryNode(
+        document.elementFromPoint(pos.x, pos.y));
+  }
+
+  // If this iframe has focus, speak and braille the current focused element.
+  if (document.hasFocus()) {
+    if (!disableSpeak) {
+      cvox.ChromeVoxEventSuspender.withSuspendedEvents(function() {
+        cvox.ChromeVox.navigationManager.finishNavCommand(
+            '', true, cvox.AbstractTts.QUEUE_MODE_QUEUE);
+      })();
+    }
+  }
+};