chrome/test/data/chromeos/virtual_keyboard/end_to_end_test.js

   1 /*
   2  * Copyright 2013 The Chromium Authors. All rights reserved.
   3  * Use of this source code is governed by a BSD-style license that can be
   4  * found in the LICENSE file.
   5  */
   6
   7 /**
   8  * Defers continuation of a test until a keyset is loaded.
   9  * @param {string} keyset Name of the target keyset.
  10  * @param {Function} continueTestCallback Callback function to invoke in order
  11  *     to resume the test.
  12  */
  13 function onKeysetReady(keyset, continueTestCallback) {
  14   var container = document.querySelector('.inputview-container');
  15   var bounds = container.getBoundingClientRect();
  16   if (bounds.bottom > 0 && keyset in controller.container_.keysetViewMap &&
  17       keyset == controller.currentKeyset_) {
  18     continueTestCallback();
  19     return;
  20   }
  21   setTimeout(function() {
  22     onKeysetReady(keyset, continueTestCallback);
  23   }, 100);
  24 }
  25
  26
  27 /**
  28  * Display an error message and abort the test.
  29  * @param {string} message The error message.
  30  */
  31 function fail(message) {
  32   console.error(message);
  33   window.domAutomationController.send(false);
  34 }
  35
  36
  37 /**
  38  * Mocks a touch event targeted on a key.
  39  * @param {!Element} key .
  40  * @param {string} eventType .
  41  */
  42 function mockTouchEvent(key, eventType) {
  43   var rect = key.getBoundingClientRect();
  44   var x = rect.left + rect.width/2;
  45   var y = rect.top + rect.height/2;
  46   var e = document.createEvent('UIEvent');
  47   e.initUIEvent(eventType, true, true);
  48   e.touches = [{pageX: x, pageY: y}];
  49   e.target = key;
  50   key.dispatchEvent(e);
  51 }
  52
  53
  54 /**
  55  * Simulates tapping on a key.
  56  * @param {!Element} key .
  57  */
  58 function mockTap(key) {
  59   mockTouchEvent(key, 'touchstart');
  60   mockTouchEvent(key, 'touchend');
  61 }
  62
  63
  64 /**
  65  * Returns the active keyboard view.
  66  * @return {!HTMLElement}
  67  */
  68 function getActiveView() {
  69   var container = document.querySelector('.inputview-container');
  70   var views = container.querySelectorAll('.inputview-view');
  71   for (var i = 0; i < views.length; i++) {
  72     var display = views[i].style.display;
  73     if (!display || display != 'none')
  74       return views[i];
  75   }
  76   fail('Unable to find active keyboard view');
  77 }
  78
  79
  80 /**
  81  * Locates a key by label.
  82  * @param {string} label The label on the key. If the key has multiple labels,
  83  *    |label| can match any of them.
  84  * @returns {?Element} .
  85  */
  86 function findKey(label) {
  87   var view = getActiveView();
  88   candidates = view.querySelectorAll('.inputview-special-key-name');
  89   for (var i = 0; i < candidates.length; i++) {
  90     if (candidates[i].textContent == label)
  91       return candidates[i];
  92   }
  93   fail('Cannot find key labeled \'' + label + '\'');
  94 }
  95
  96
  97 // Wait for keyboard to finish loading asynchronously before tapping key.
  98 onKeysetReady('us.compact.qwerty', function() {
  99   mockTap(findKey('a'));
 100 });