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      1 // Copyright 2013 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 function toggleHelpBox() {
      6   var helpBoxOuter = document.getElementById('help-box-outer');
      7   helpBoxOuter.classList.toggle('hidden');
      8   var moreLessButton = document.getElementById('more-less-button');
      9   if (helpBoxOuter.classList.contains('hidden')) {
     10     moreLessButton.innerText = moreLessButton.moreText;
     11   } else {
     12     moreLessButton.innerText = moreLessButton.lessText;
     13   }
     14 }
     15 
     16 function diagnoseErrors() {
     17   var extension_id = "idddmepepmjcgiedknnmlbadcokidhoa";
     18   var diagnose_frame = document.getElementById('diagnose-frame');
     19   diagnose_frame.innerHTML =
     20       '<iframe src="chrome-extension://' + extension_id +
     21       '/index.html"></iframe>';
     22 }
     23 
     24 // Subframes use a different layout but the same html file.  This is to make it
     25 // easier to support platforms that load the error page via different
     26 // mechanisms (Currently just iOS).
     27 if (window.top.location != window.location)
     28   document.documentElement.setAttribute('subframe', '');
     29 
     30 // Re-renders the error page using |strings| as the dictionary of values.
     31 // Used by NetErrorTabHelper to update DNS error pages with probe results.
     32 function updateForDnsProbe(strings) {
     33   i18nTemplate.process(document, strings);
     34   var context = new JsEvalContext(strings);
     35   jstProcess(context, document.getElementById('t'));
     36 }
     37 
     38 // Given the classList property of an element, adds an icon class to the list
     39 // and removes the previously-
     40 function updateIconClass(classList, newClass) {
     41   var oldClass;
     42 
     43   if (classList.hasOwnProperty('last_icon_class')) {
     44     oldClass = classList['last_icon_class']
     45     if (oldClass == newClass)
     46       return;
     47   }
     48 
     49   classList.add(newClass);
     50   if (oldClass !== undefined)
     51     classList.remove(oldClass);
     52 
     53   classList['last_icon_class'] = newClass;
     54 }
     55 
     56 <if expr="is_macosx or is_ios or is_linux or is_android">
     57 // Re-orders buttons. Used on Mac, Linux, and Android, where reload should go
     58 // on the right.
     59 function swapButtonOrder() {
     60   reloadButton = document.getElementById('reload-button');
     61   moreLessButton = document.getElementById('more-less-button');
     62   reloadButton.parentNode.insertBefore(moreLessButton, reloadButton);
     63 }
     64 document.addEventListener("DOMContentLoaded", swapButtonOrder);
     65 </if>
     66