In-app messaging to communicate the imminent 32-bit deprecation to 32-bit-only users

chrome/browser/resources/help/help.js

 // Copyright (c) 2012 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.
 
 <include src="../uber/uber_utils.js">
 
 cr.define('help', function() {
   /**
    * Encapsulated handling of the help page.
    */
@@ skipping 228 matching lines @@
     channelsDiffer_: function() {
       var current = this.currentChannel_;
       var target = this.targetChannel_;
       return (current != null && target != null && current != target);
     },
 
     /**
      * @private
      */
     setUpdateStatus_: function(status, message) {
+      if (cr.isMac && $('update-status-message').hidden) {
+        // Chrome has reached the end of the line on this system. The
+        // update-obsolete-system message is displayed. No other auto-update
+        // status should be displayed.
+        return;
+      }
+
       var channel = this.targetChannel_;
       if (status == 'checking') {
         this.setUpdateImage_('working');
         $('update-status-message').innerHTML =
             loadTimeData.getString('updateCheckStarted');
       } else if (status == 'updating') {
         this.setUpdateImage_('working');
         if (this.channelsDiffer_()) {
           $('update-status-message').innerHTML =
               loadTimeData.getStringF('updatingChannelSwitch',
@@ skipping 75 matching lines @@
         $('promote').hidden = false;
       } else if (state == 'disabled') {
         $('promote').disabled = true;
         $('promote').hidden = false;
       }
     },
 
     /**
      * @private
      */
+    setObsoleteSystem_: function(obsolete) {
+      if (cr.isMac && $('update-obsolete-system-container')) {
+        $('update-obsolete-system-container').hidden = !obsolete;
+      }
+    },
+
+    /**
+     * @private
+     */
+    setObsoleteSystemEndOfTheLine_: function(endOfTheLine) {
+      if (cr.isMac &&
+          $('update-obsolete-system-container') &&
+          !$('update-obsolete-system-container').hidden) {
+        $('update-status-message').hidden = endOfTheLine;
+        if (endOfTheLine) {
+          this.setUpdateImage_('failed');
+        }
+      }
+    },
+
+    /**
+     * @private
+     */
     setOSVersion_: function(version) {
       if (!cr.isChromeOS)
         console.error('OS version unsupported on non-CrOS');
 
       $('os-version').parentNode.hidden = (version == '');
       $('os-version').textContent = version;
     },
 
     /**
      * @private
@@ skipping 100 matching lines @@
   };
 
   HelpPage.showAllowedConnectionTypesMsg = function(visible) {
     HelpPage.getInstance().showAllowedConnectionTypesMsg_(visible);
   };
 
   HelpPage.setPromotionState = function(state) {
     HelpPage.getInstance().setPromotionState_(state);
   };
 
-  HelpPage.setObsoleteOS = function(obsolete) {
-    HelpPage.getInstance().setObsoleteOS_(obsolete);
+  HelpPage.setObsoleteSystem = function(obsolete) {
+    HelpPage.getInstance().setObsoleteSystem_(obsolete);
+  };
+
+  HelpPage.setObsoleteSystemEndOfTheLine = function(endOfTheLine) {
+    HelpPage.getInstance().setObsoleteSystemEndOfTheLine_(endOfTheLine);
   };
 
   HelpPage.setOSVersion = function(version) {
     HelpPage.getInstance().setOSVersion_(version);
   };
 
   HelpPage.setOSFirmware = function(firmware) {
     HelpPage.getInstance().setOSFirmware_(firmware);
   };
 
@@ skipping 48 matching lines @@
     HelpPage: HelpPage
   };
 });
 
 /**
  * onload listener to initialize the HelpPage.
  */
 window.onload = function() {
   help.HelpPage.getInstance().initialize();
 };