Add support for rich output inside of content editables.

chrome/browser/resources/chromeos/chromevox/common/editable_text_base.js

 // Copyright 2015 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.
 
 goog.provide('cvox.ChromeVoxEditableTextBase');
 goog.provide('cvox.TextChangeEvent');
 goog.provide('cvox.TypingEcho');
 
 goog.require('cvox.AbstractTts');
 goog.require('cvox.ChromeVox');
@@ skipping 334 matching lines @@
         .format({'COUNT': 1})), evt.triggeredByUser);
     return;
   }
   if (evt.start == evt.end) {
     // It's currently a cursor.
     if (this.start != this.end) {
       // It was previously a selection, so just announce 'unselected'.
       this.speak(Msgs.getMsg('Unselected'), evt.triggeredByUser);
     } else if (this.getLineIndex(this.start) !=
         this.getLineIndex(evt.start)) {
-      // Moved to a different line; read it.
-      var lineValue = this.getLine(this.getLineIndex(evt.start));
-      if (lineValue == '') {
-        lineValue = Msgs.getMsg('text_box_blank');
-      } else if (/^\s+$/.test(lineValue)) {
-        lineValue = Msgs.getMsg('text_box_whitespace');
-      }
-      this.speak(lineValue, evt.triggeredByUser);
+      this.describeLine(this.getLineIndex(evt.start), evt.triggeredByUser);
     } else if (this.start == evt.start + 1 ||
         this.start == evt.start - 1) {
       // Moved by one character; read it.
       if (!cvox.ChromeVoxEditableTextBase.useIBeamCursor) {
         if (evt.start == this.value.length) {
           if (cvox.ChromeVox.verbosity == cvox.VERBOSITY_VERBOSE) {
             this.speak(Msgs.getMsg('end_of_text_verbose'),
                        evt.triggeredByUser);
           } else {
             this.speak(Msgs.getMsg('end_of_text_brief'),
@@ skipping 46 matching lines @@
     } else {
       // The selection changed but it wasn't an obvious extension of
       // a previous selection. Just read the new selection.
       this.speak(this.value.substr(evt.start, evt.end - evt.start),
                  evt.triggeredByUser);
       this.speak(Msgs.getMsg('selected'));
     }
   }
 };
 
+/**
+ * Describes a line given a line index and whether it was user triggered.
+ * @param {number} lineIndex
+ * @param {boolean} triggeredByUser
+ */
+cvox.ChromeVoxEditableTextBase.prototype.describeLine =
+    function(lineIndex, triggeredByUser) {
+  var lineValue = this.getLine(lineIndex);
+  if (lineValue == '') {
+    lineValue = Msgs.getMsg('text_box_blank');
+  } else if (/^\s+$/.test(lineValue)) {
+    lineValue = Msgs.getMsg('text_box_whitespace');
+  }
+  this.speak(lineValue, triggeredByUser);
+};
+
 
 /**
  * Describe a change where the text changes.
  * @param {cvox.TextChangeEvent} evt The text change event.
  */
 cvox.ChromeVoxEditableTextBase.prototype.describeTextChanged = function(evt) {
   var personality = {};
   if (evt.value.length < this.value.length) {
     personality = cvox.AbstractTts.PERSONALITY_DELETED;
   }
@@ skipping 277 matching lines @@
 
 /**
  * Moves the cursor backward by one paragraph.
  * @return {boolean} True if the action was handled.
  */
 cvox.ChromeVoxEditableTextBase.prototype.moveCursorToPreviousParagraph =
     function() { return false; };
 
 
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