• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1/*
2 * Copyright (C) 2013 Google Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 *
8 *     * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 *     * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 *     * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31/**
32 * @constructor
33 * @param {number} totalValue
34 */
35WebInspector.PieChart = function(totalValue)
36{
37    this.element = document.createElement("div");
38    this.element.className = "pie-chart";
39    this.element.createChild("div", "pie-chart-background");
40    var totalString = Number.secondsToString(totalValue, true);
41    this.element.createChild("div", "pie-chart-foreground").textContent = totalString;
42    this._totalValue = totalValue;
43    this._lastAngle = 0;
44}
45
46WebInspector.PieChart.prototype = {
47    /**
48     * @param {number} value
49     * @param {string} color
50     */
51    addSlice: function(value, color)
52    {
53        var sliceAngle = value / this._totalValue * 360;
54        if (sliceAngle > 180) {
55            this._innerAddSlice(180, color);
56            sliceAngle -= 180;
57        }
58        this._innerAddSlice(sliceAngle, color);
59    },
60
61    /**
62     * @param {number} sliceAngle
63     * @param {string} color
64     */
65    _innerAddSlice: function(sliceAngle, color)
66    {
67        var sliceElement = this.element.createChild("div", "pie-chart-slice");
68        sliceElement.style.webkitTransform = "rotate(" + Number(this._lastAngle).toFixed(2) + "deg)"
69        var innerSliceElement = sliceElement.createChild("div", "pie-chart-slice-inner");
70        innerSliceElement.style.backgroundColor = color;
71        innerSliceElement.style.webkitTransform = "rotate(" + Number(sliceAngle).toFixed(2) + "deg)";
72        this._lastAngle += sliceAngle;
73    }
74}
75