Demo/bin/Debug/front_end/ui/Widget.js

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/*
 * Copyright (C) 2008 Apple Inc. All Rights Reserved.
 * Copyright (C) 2011 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:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. 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.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 APPLE INC. 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.Object}
 * @param {boolean=} isWebComponent
 */
WebInspector.Widget = function(isWebComponent)
{
    this.contentElement = createElementWithClass("div", "widget");
    if (isWebComponent) {
        this.element = createElementWithClass("div", "vbox flex-auto");
        this._shadowRoot = WebInspector.createShadowRootWithCoreStyles(this.element);
        this._shadowRoot.appendChild(this.contentElement);
    } else {
        this.element = this.contentElement;
    }
    this._isWebComponent = isWebComponent;
    this.element.__widget = this;
    this._visible = true;
    this._isRoot = false;
    this._isShowing = false;
    this._children = [];
    this._hideOnDetach = false;
    this._notificationDepth = 0;
}

/**
 * @param {string} cssFile
 * @return {!Element}
 */
WebInspector.Widget.createStyleElement = function(cssFile)
{
    var content = Runtime.cachedResources[cssFile] || "";
    if (!content)
        console.error(cssFile + " not preloaded. Check module.json");