chrome/browser/resources/about_memory.js

   1 // Copyright (c) 2011 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 <include src="../../../ui/webui/resources/js/util.js">
   6
   7 function reload() {
   8   if ($('helpTooltip'))
   9     return;
  10   history.go(0);
  11 }
  12
  13 function formatNumber(str) {
  14   str += '';
  15   if (str == '0') {
  16     return 'N/A ';
  17   }
  18   var x = str.split('.');
  19   var x1 = x[0];
  20   var x2 = x.length > 1 ? '.' + x[1] : '';
  21   var regex = /(\d+)(\d{3})/;
  22   while (regex.test(x1)) {
  23     x1 = x1.replace(regex, '$1' + ',' + '$2');
  24   }
  25   return x1;
  26 }
  27
  28 function addToSum(id, value) {
  29   var target = document.getElementById(id);
  30   var sum = parseInt(target.innerHTML);
  31   sum += parseInt(value);
  32   target.innerHTML = sum;
  33 }
  34
  35 function handleHelpTooltipMouseOver(event) {
  36   var el = document.createElement('div');
  37   el.id = 'helpTooltip';
  38   el.innerHTML = event.toElement.getElementsByTagName('div')[0].innerHTML;
  39   el.style.top = 0;
  40   el.style.left = 0;
  41   el.style.visibility = 'hidden';
  42   document.body.appendChild(el);
  43
  44   var width = el.offsetWidth;
  45   var height = el.offsetHeight;
  46
  47   var scrollLeft = scrollLeftForDocument(document);
  48   if (event.pageX - width - 50 + scrollLeft >= 0)
  49     el.style.left = (event.pageX - width - 20) + 'px';
  50   else
  51     el.style.left = (event.pageX + 20) + 'px';
  52
  53   var scrollTop = scrollTopForDocument(document);
  54   if (event.pageY - height - 50 + scrollTop >= 0)
  55     el.style.top = (event.pageY - height - 20) + 'px';
  56   else
  57     el.style.top = (event.pageY + 20) + 'px';
  58
  59   el.style.visibility = 'visible';
  60 }
  61
  62 function handleHelpTooltipMouseOut(event) {
  63   var el = $('helpTooltip');
  64   el.parentNode.removeChild(el);
  65 }
  66
  67 function enableHelpTooltips() {
  68   var helpEls = document.getElementsByClassName('help');
  69
  70   for (var i = 0, helpEl; helpEl = helpEls[i]; i++) {
  71     helpEl.onmouseover = handleHelpTooltipMouseOver;
  72     helpEl.onmouseout = handleHelpTooltipMouseOut;
  73   }
  74 }
  75
  76 document.addEventListener('DOMContentLoaded', function() {
  77   // This is the javascript code that processes the template:
  78   var input = new JsEvalContext(loadTimeData.getValue('jstemplateData'));
  79   var output = $('t');
  80   jstProcess(input, output);
  81
  82   enableHelpTooltips();
  83 });
  84