/*
 * Copyright (C) 2017 Apple 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. AND ITS 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 APPLE INC. OR ITS 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.
 */

WI.ScrubberNavigationItem = class ScrubberNavigationItem extends WI.FlexibleSpaceNavigationItem
{
    constructor(identifier)
    {
        super(identifier);

        this._sliderElement = this._element.appendChild(document.createElement("input"));
        this._sliderElement.type = "range";
        this._sliderElement.addEventListener("input", this._sliderChanged.bind(this));
    }

    // Public

    get value() { return parseInt(this._sliderElement.value); }
    set value(value) { this._sliderElement.value = value; }

    get min() { return parseInt(this._sliderElement.min); }
    set min(min) { this._sliderElement.min = min; }

    get max() { return parseInt(this._sliderElement.max); }
    set max(max) { this._sliderElement.max = max; }

    get disabled()
    {
        return this._sliderElement.disabled;
    }

    set disabled(flag)
    {
        this._sliderElement.disabled = !!flag;
    }

    // Protected

    get additionalClassNames()
    {
        let additionalClassNames = super.additionalClassNames;
        additionalClassNames.push("scrubber");
        return additionalClassNames;
    }

    // Private

    _sliderChanged(event)
    {
        this.dispatchEventToListeners(WI.ScrubberNavigationItem.Event.ValueChanged);
    }
};

WI.ScrubberNavigationItem.Event = {
    ValueChanged: "slider-navigation-item-value-changed",
};