chrome/test/data/prerender/prerender_events_common.js

   1 // Copyright (c) 2012 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 // Common js for prerender loaders; defines the helper functions that put
   6 // event handlers on prerenders and track the events for browser tests.
   7
   8 // TODO(gavinp): Put more common loader logic in here.
   9
  10 // Currently only errors with the ordering of Prerender events are caught.
  11 var hadPrerenderEventErrors = false;
  12
  13 var receivedPrerenderStartEvents = [];
  14 var receivedPrerenderLoadEvents = [];
  15 var receivedPrerenderStopEvents = [];
  16
  17 function PrerenderStartHandler(index) {
  18   if (receivedPrerenderStartEvents[index] ||
  19       receivedPrerenderLoadEvents[index] ||
  20       receivedPrerenderStopEvents[index]) {
  21     hadPrerenderEventErrors = true;
  22     return;
  23   }
  24   receivedPrerenderStartEvents[index] = true;
  25 }
  26
  27 function PrerenderLoadHandler(index) {
  28   if (!receivedPrerenderStartEvents[index] ||
  29       receivedPrerenderStopEvents[index]) {
  30     hadPrerenderEventErrors = true;
  31     return;
  32   }
  33   if (!receivedPrerenderLoadEvents[index])
  34     receivedPrerenderLoadEvents[index] = 0;
  35   receivedPrerenderLoadEvents[index]++;
  36 }
  37
  38 function PrerenderStopHandler(index) {
  39   if (!receivedPrerenderStartEvents[index] ||
  40       receivedPrerenderStopEvents[index]) {
  41     hadPrerenderEventErrors = true;
  42     return;
  43   }
  44   receivedPrerenderStopEvents[index] = true;
  45 }
  46
  47 function AddEventHandlersToLinkElement(link, index) {
  48   link.addEventListener('webkitprerenderstart',
  49                         PrerenderStartHandler.bind(null, index), false);
  50   link.addEventListener('webkitprerenderload',
  51                         PrerenderLoadHandler.bind(null, index), false);
  52   link.addEventListener('webkitprerenderstop',
  53                         PrerenderStopHandler.bind(null, index), false);
  54 }
  55
  56 function AddPrerender(url, index) {
  57   var link = document.createElement('link');
  58   link.rel = 'prerender';
  59   link.href = url;
  60   AddEventHandlersToLinkElement(link, index);
  61   document.body.appendChild(link);
  62   return link;
  63 }
  64
  65 function Click() {
  66   document.getElementById('toClick').dispatchEvent(new MouseEvent('click', {
  67     view: window,
  68     bubbles: true,
  69     cancelable: true,
  70     detail: 1
  71   }));
  72 }
  73
  74 function ClickTarget() {
  75   var eventObject = new MouseEvent('click', {
  76     view: window,
  77     bubbles: true,
  78     cancelable: true,
  79     detail: 1
  80   });
  81   document.getElementById('toClickTarget').dispatchEvent(eventObject);
  82 }
  83
  84 function ShiftClick() {
  85   document.getElementById('toClick').dispatchEvent(new MouseEvent('click', {
  86     view: window,
  87     bubbles: true,
  88     cancelable: true,
  89     detail: 1,
  90     shiftKey: true
  91   }));
  92 }
  93
  94 function CtrlClick() {
  95   document.getElementById('toClick').dispatchEvent(new MouseEvent('click', {
  96     view: window,
  97     bubbles: true,
  98     cancelable: true,
  99     detail: 1,
 100     ctrlKey: true
 101   }));
 102 }
 103
 104 function CtrlShiftClick() {
 105   document.getElementById('toClick').dispatchEvent(new MouseEvent('click', {
 106     view: window,
 107     bubbles: true,
 108     cancelable: true,
 109     detail: 1,
 110     ctrlKey: true,
 111     shiftKey: true
 112   }));
 113 }
 114
 115 function MetaClick() {
 116   document.getElementById('toClick').dispatchEvent(new MouseEvent('click', {
 117     view: window,
 118     bubbles: true,
 119     cancelable: true,
 120     detail: 1,
 121     metaKey: true
 122   }));
 123 }
 124
 125 function MetaShiftClick() {
 126   document.getElementById('toClick').dispatchEvent(new MouseEvent('click', {
 127     view: window,
 128     bubbles: true,
 129     cancelable: true,
 130     detail: 1,
 131     metaKey: true,
 132     shiftKey: true
 133   }));
 134 }
 135
 136 function WindowOpen() {
 137   window.open(document.getElementById('toClick').href);
 138 }