Demo/bin/Debug/front_end/timeline/PaintProfilerView.js

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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 {function(string=)} showImageCallback
 * @extends {WebInspector.HBox}
 */
WebInspector.PaintProfilerView = function(showImageCallback)
{
    WebInspector.HBox.call(this);
    this.element.classList.add("paint-profiler-overview", "hbox");
    this._canvasContainer = this.element.createChild("div", "paint-profiler-canvas-container");
    this._progressBanner = this.element.createChild("div", "fill progress-banner hidden");
    this._progressBanner.textContent = WebInspector.UIString("Profiling\u2026");
    this._pieChart = new WebInspector.PieChart(55, this._formatPieChartTime.bind(this), true);
    this._pieChart.element.classList.add("paint-profiler-pie-chart");
    this.element.appendChild(this._pieChart.element);

    this._showImageCallback = showImageCallback;

    this._canvas = this._canvasContainer.createChild("canvas", "fill");
    this._context = this._canvas.getContext("2d");
    this._selectionWindow = new WebInspector.OverviewGrid.Window(this._canvasContainer);
    this._selectionWindow.addEventListener(WebInspector.OverviewGrid.Events.WindowChanged, this._onWindowChanged, this);

    this._innerBarWidth = 4 * window.devicePixelRatio;
    this._minBarHeight = window.devicePixelRatio;
    this._barPaddingWidth = 2 * window.devicePixelRatio;
    this._outerBarWidth = this._innerBarWidth + this._barPaddingWidth;

    this._reset();
}