ChromeOS OOBE: use old-style bubble for OOBE Accessibility popup.

ui/login/bubble.js

 // 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 Bubble implementation.
  */
 
 // TODO(xiyuan): Move this into shared.
 cr.define('cr.ui', function() {
@@ skipping 116 matching lines @@
      * @private
      */
     handleSelfClick_: function(e) {
       // Allow clicking on [x] button.
       if (e.target && e.target.classList.contains('close-button'))
         return;
       e.stopPropagation();
     },
 
     /**
+     * Sets the attachment of the bubble.
+     * @param {!Attachment} attachment Bubble attachment.
+     */
+    setAttachment_: function(attachment) {
+      var styleClassList = ['bubble-right', 'bubble-left',
+                            'bubble-top', 'bubble-bottom'];
+      for (var i = 0; i < styleClassList.length; ++i)
+        this.classList.toggle(styleClassList[i], i == attachment);
+    },
+
+    /**
      * Shows the bubble for given anchor element.
      * @param {!Object} pos Bubble position (left, top, right, bottom in px).
      * @param {HTMLElement} opt_content Content to show in bubble.
      *     If not specified, bubble element content is shown.
+     * @param {Attachment=} opt_attachment Bubble attachment (on which side of
+     *     the element it should be displayed).
+     * @param {boolean=} opt_oldstyle Optional flag to force old style bubble,
+     *     i.e. pre-MD-style.
      * @private
      */
-    showContentAt_: function(pos, opt_content) {
+    showContentAt_: function(pos, opt_content, opt_attachment, opt_oldstyle) {
       this.style.top = this.style.left = this.style.right = this.style.bottom =
           'auto';
       for (var k in pos) {
         if (typeof pos[k] == 'number')
           this.style[k] = pos[k] + 'px';
       }
       if (opt_content !== undefined)
         this.replaceContent(opt_content);
 
+      if (opt_oldstyle) {
+        this.setAttribute('oldstyle', '');
+        this.setAttachment_(opt_attachment);
+      }
+
       this.hidden = false;
       this.classList.remove('faded');
     },
 
     /**
      * Replaces error message content with the given DOM element.
      * @param {HTMLElement} content Content to show in bubble.
      */
     replaceContent: function(content) {
       this.innerHTML = '';
       this.appendChild(content);
     },
 
     /**
      * Shows the bubble for given anchor element. Bubble content is not cleared.
      * @param {!HTMLElement} el Anchor element of the bubble.
      * @param {!Attachment} attachment Bubble attachment (on which side of the
      *     element it should be displayed).
      * @param {number=} opt_offset Offset of the bubble.
      * @param {number=} opt_padding Optional padding of the bubble.
      */
     showForElement: function(el, attachment, opt_offset, opt_padding) {
+      /* showForElement() is used only to display Accessibility popup in
+       * oobe_screen_network*. It requires old-style bubble, so it is safe
+       * to always set this flag here.
+       */
       this.showContentForElement(
-          el, attachment, undefined, opt_offset, opt_padding);
+          el, attachment, undefined, opt_offset, opt_padding, undefined, true);
     },
 
     /**
      * Shows the bubble for given anchor element.
      * @param {!HTMLElement} el Anchor element of the bubble.
      * @param {!Attachment} attachment Bubble attachment (on which side of the
      *     element it should be displayed).
      * @param {HTMLElement} opt_content Content to show in bubble.
      *     If not specified, bubble element content is shown.
      * @param {number=} opt_offset Offset of the bubble attachment point from
      *     left (for vertical attachment) or top (for horizontal attachment)
      *     side of the element. If not specified, the bubble is positioned to
      *     be aligned with the left/top side of the element but not farther than
      *     half of its width/height.
      * @param {number=} opt_padding Optional padding of the bubble.
      * @param {boolean=} opt_match_width Optional flag to force the bubble have
      *     the same width as the element it it attached to.
+     * @param {boolean=} opt_oldstyle Optional flag to force old style bubble,
+     *     i.e. pre-MD-style.
      */
     showContentForElement: function(el, attachment, opt_content,
-                                    opt_offset, opt_padding, opt_match_width) {
+                                    opt_offset, opt_padding, opt_match_width,
+                                    opt_oldstyle) {
       /** @const */ var ARROW_OFFSET = 25;
       /** @const */ var DEFAULT_PADDING = 18;
 
       if (opt_padding == undefined)
         opt_padding = DEFAULT_PADDING;
-      opt_padding += 10;
+
+      if (!opt_oldstyle)
+        opt_padding += 10;
 
       var origin = cr.ui.login.DisplayManager.getPosition(el);
       var offset = opt_offset == undefined ?
           [Math.min(ARROW_OFFSET, el.offsetWidth / 2),
            Math.min(ARROW_OFFSET, el.offsetHeight / 2)] :
           [opt_offset, opt_offset];
 
       var pos = {};
       if (isRTL()) {
         switch (attachment) {
@@ skipping 43 matching lines @@
         var paddingLeft = parseInt(window.getComputedStyle(this, null)
             .getPropertyValue('padding-left'));
         var paddingRight = parseInt(window.getComputedStyle(this, null)
             .getPropertyValue('padding-right'));
         if (elWidth)
           this.style.width =
               (parseInt(elWidth) - paddingLeft - paddingRight) + 'px';
       }
 
       this.anchor_ = el;
-      this.showContentAt_(pos, opt_content);
+      this.showContentAt_(pos, opt_content, attachment, opt_oldstyle);
     },
 
     /**
      * Shows the bubble for given anchor element.
      * @param {!HTMLElement} el Anchor element of the bubble.
      * @param {string} text Text content to show in bubble.
      * @param {!Attachment} attachment Bubble attachment (on which side of the
      *     element it should be displayed).
      * @param {number=} opt_offset Offset of the bubble attachment point from
      *     left (for vertical attachment) or top (for horizontal attachment)
@@ skipping 99 matching lines @@
     handleWindowBlur_: function(e) {
       if (!this.hidden)
         this.hide();
     }
   };
 
   return {
     Bubble: Bubble
   };
 });