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

这里只显示每个文件的开头 60 行。登录后可以解锁完整代码。

微信扫码关注公众号，代码整理好后第一时间通知你。

/*
 * 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
 * @extends {WebInspector.TimelineOverviewBase}
 * @param {!WebInspector.TimelineModel} model
 * @param {!WebInspector.TimelineFrameModelBase} frameModel
 */
WebInspector.TimelineFrameOverview = function(model, frameModel)
{
    WebInspector.TimelineOverviewBase.call(this);
    this.element.id = "timeline-overview-frames";
    this._model = model;
    this._frameModel = frameModel;
    this.reset();

    this._outerPadding = 4 * window.devicePixelRatio;
    this._maxInnerBarWidth = 10 * window.devicePixelRatio;
    this._topPadding = 6 * window.devicePixelRatio;

    // The below two are really computed by update() -- but let's have something so that windowTimes() is happy.
    this._actualPadding = 5 * window.devicePixelRatio;
    this._actualOuterBarWidth = this._maxInnerBarWidth + this._actualPadding;

    this._fillStyles = {};
    var categories = WebInspector.TimelineUIUtils.categories();
    for (var category in categories)
        this._fillStyles[category] = WebInspector.TimelineUIUtils.createFillStyleForCategory(this._context, this._maxInnerBarWidth, 0, categories[category]);

    this._frameTopShadeGradient = this._context.createLinearGradient(0, 0, 0, this._topPadding);
    this._frameTopShadeGradient.addColorStop(0, "rgba(255, 255, 255, 0.9)");
    this._frameTopShadeGradient.addColorStop(1, "rgba(255, 255, 255, 0.2)");