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/*
* Copyright (C) 2013 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* @constructor
* @param {number} totalValue
*/
WebInspector.PieChart = function(totalValue)
{
this.element = document.createElement("div");
this.element.className = "pie-chart";
this.element.createChild("div", "pie-chart-background");
var totalString = Number.secondsToString(totalValue, true);
this.element.createChild("div", "pie-chart-foreground").textContent = totalString;
this._totalValue = totalValue;
this._lastAngle = 0;
}
WebInspector.PieChart.prototype = {
/**
* @param {number} value
* @param {string} color
*/
addSlice: function(value, color)
{
var sliceAngle = value / this._totalValue * 360;
if (sliceAngle > 180) {
this._innerAddSlice(180, color);
sliceAngle -= 180;
}
this._innerAddSlice(sliceAngle, color);
},
/**
* @param {number} sliceAngle
* @param {string} color
*/
_innerAddSlice: function(sliceAngle, color)
{
var sliceElement = this.element.createChild("div", "pie-chart-slice");
sliceElement.style.webkitTransform = "rotate(" + Number(this._lastAngle).toFixed(2) + "deg)"
var innerSliceElement = sliceElement.createChild("div", "pie-chart-slice-inner");
innerSliceElement.style.backgroundColor = color;
innerSliceElement.style.webkitTransform = "rotate(" + Number(sliceAngle).toFixed(2) + "deg)";
this._lastAngle += sliceAngle;
}
}
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