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-rw-r--r--chrome/browser/resources/about_stats.js200
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diff --git a/chrome/browser/resources/about_stats.js b/chrome/browser/resources/about_stats.js
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--- a/chrome/browser/resources/about_stats.js
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-// 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.
-
-/* Counter accessor for Name Node. */
-function getCounterNameFromCounterNode(node) {
- return node.childNodes[1];
-}
-
-/* Counter accessor for Value Node. */
-function getCounterValueFromCounterNode(node) {
- return node.childNodes[3];
-}
-
-/* Counter accessor for Delta Node. */
-function getCounterDeltaFromCounterNode(node) {
- return node.childNodes[5];
-}
-
-/* Timer accessor for Name Node. */
-function getTimerNameFromTimerNode(node) {
- return node.childNodes[1];
-}
-
-/* Timer accessor for Value Node. */
-function getTimerValueFromTimerNode(node) {
- return node.childNodes[3];
-}
-
-/* Timer accessor for Time Node. */
-function getTimerTimeFromTimerNode(node) {
- return node.childNodes[5];
-}
-
-/* Timer accessor for Average Time Node. */
-function getTimerAvgTimeFromTimerNode(node) {
- return node.childNodes[7];
-}
-
-/* Do the filter work. Hide all nodes matching node.*/
-function filterMatching(text, nodelist, functionToGetNameNode) {
- var showAll = text.length == 0;
- for (var i = 0, node; node = nodelist[i]; i++) {
- var name = functionToGetNameNode(node).innerHTML.toLowerCase();
- if (showAll || name.indexOf(text) >= 0)
- node.style.display = 'table-row';
- else
- node.style.display = 'none';
- }
-}
-
-/* Hides or shows counters based on the user's current filter selection. */
-function doFilter() {
- var filter = $('filter');
- var text = filter.value.toLowerCase();
- var nodes = document.getElementsByName('counter');
- filterMatching(text, nodes, getCounterNameFromCounterNode);
- var nodes = document.getElementsByName('timer');
- filterMatching(text, nodes, getTimerNameFromTimerNode);
-}
-
-/* Colors the counters based on increasing or decreasing value. */
-function doColor() {
- var nodes = document.getElementsByName('counter');
- for (var i = 0, node; node = nodes[i]; i++) {
- var child = getCounterDeltaFromCounterNode(node);
- var delta = child.innerHTML;
- if (delta > 0)
- child.style.color = 'Green';
- else if (delta == 0)
- child.style.color = 'Black';
- else
- child.style.color = 'Red';
- }
-}
-
-/* Counters with no values are null. Remove them. */
-function removeNullValues() {
- var nodes = document.getElementsByName('counter');
- for (var i = nodes.length - 1; i >= 0; i--) {
- var node = nodes[i];
- var value = getCounterValueFromCounterNode(node).innerHTML;
- if (value == 'null')
- node.parentNode.removeChild(node);
- }
- var nodes = document.getElementsByName('timer');
- for (var i = 0, node; node = nodes[i]; i++) {
- var valueNode = getTimerValueFromTimerNode(node);
- if (valueNode.innerHTML == 'null')
- valueNode.innerHTML = '';
- }
-}
-
-/* Compute the average time for timers */
-function computeTimes() {
- var nodes = document.getElementsByName('timer');
- for (var i = 0, node; node = nodes[i]; i++) {
- var count = getTimerValueFromTimerNode(node).innerHTML;
- if (count.length > 0) {
- var time = getTimerTimeFromTimerNode(node).innerHTML;
- var avg = getTimerAvgTimeFromTimerNode(node);
- avg.innerHTML = Math.round(time / count * 100) / 100;
- }
- }
-}
-
-/* All the work we do onload. */
-function onLoadWork() {
- // This is the javascript code that processes the template:
- var input = new JsEvalContext(templateData);
- var output = $('t');
- jstProcess(input, output);
-
- // Add handlers to dynamically created HTML elements.
- var elements = document.getElementsByName('string-sort');
- for (var i = 0; i < elements.length; ++i)
- elements[i].onclick = function() { sortTable('string'); };
-
- elements = document.getElementsByName('number-sort');
- for (i = 0; i < elements.length; ++i)
- elements[i].onclick = function() { sortTable('number'); };
-
- doColor();
- removeNullValues();
- computeTimes();
-
- var filter = $('filter');
- filter.onkeyup = doFilter;
- filter.focus();
-}
-
-// The function should only be used as the event handler
-// on a table cell element. To use it, put it in a <td> element:
-// <td onclick="sort('string')" ...>
-//
-// The function sorts rows after the row with onclick event handler.
-//
-// type: the data type, 'string', 'number'
-function sortTable(type) {
- var cell = event.target;
- var cnum = cell.cellIndex;
-
- var row = cell.parentNode;
- var startIndex = row.rowIndex + 1;
-
- var tbody = row.parentNode;
- var table = tbody.parentNode;
-
- var rows = new Array();
-
- var indexes = new Array();
- // skip the first row
- for (var i = startIndex; i < table.rows.length; i++)
- rows.push(table.rows[i]);
-
- // a, b are strings
- function compareStrings(a, b) {
- if (a == b) return 0;
- if (a < b) return -1;
- return 1;
- }
-
- // a, b are numbers
- function compareNumbers(a, b) {
- var x = isNaN(a) ? 0 : a;
- var y = isNaN(b) ? 0 : b;
- return x - y;
- }
-
- var sortFunc;
- if (type === 'string') {
- sortFunc = function(a, b) {
- var x = a.cells[cnum].innerText;
- var y = b.cells[cnum].innerText;
- return compareStrings(x, y);
- };
-
- } else if (type === 'number') {
- sortFunc = function(a, b) {
- var x = parseFloat(a.cells[cnum].innerText);
- var y = parseFloat(b.cells[cnum].innerText);
- return compareNumbers(x, y);
- };
- }
-
- rows.sort(sortFunc);
-
- // change tables
- if (cell._reverse) {
- for (var i = rows.length - 1; i >= 0; i--)
- tbody.appendChild(rows[i]);
- cell._reverse = false;
- } else {
- for (var i = 0; i < rows.length; i++)
- tbody.appendChild(rows[i]);
- cell._reverse = true;
- }
-}
-
-document.addEventListener('DOMContentLoaded', onLoadWork);