/* *
 *
 *  (c) 2010-2024 Torstein Honsi
 *
 *  License: www.highcharts.com/license
 *
 *  !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
 *
 * */
'use strict';
import Axis from '../../Core/Axis/Axis.js';
import D from '../../Core/Defaults.js';
const { defaultOptions } = D;
import H from '../../Core/Globals.js';
const { hasTouch, isTouchDevice } = H;
import NavigatorAxisAdditions from '../../Core/Axis/NavigatorAxisComposition.js';
import NavigatorComposition from './NavigatorComposition.js';
import Scrollbar from '../Scrollbar/Scrollbar.js';
import U from '../../Core/Utilities.js';
const { addEvent, clamp, correctFloat, defined, destroyObjectProperties, erase, extend, find, fireEvent, isArray, isNumber, merge, pick, removeEvent, splat } = U;
/* *
 *
 *  Functions
 *
 * */
/**
 * Finding the min or max of a set of variables where we don't know if they are
 * defined, is a pattern that is repeated several places in Highcharts. Consider
 * making this a global utility method.
 * @private
 */
function numExt(extreme, ...args) {
    const numbers = [].filter.call(args, isNumber);
    if (numbers.length) {
        return Math[extreme].apply(0, numbers);
    }
}
/* *
 *
 *  Class
 *
 * */
/**
 * The Navigator class
 *
 * @private
 * @class
 * @name Highcharts.Navigator
 *
 * @param {Highcharts.Chart} chart
 *        Chart object
 */
class Navigator {
    /* *
     *
     *  Static Functions
     *
     * */
    static compose(AxisClass, ChartClass, SeriesClass) {
        NavigatorComposition.compose(AxisClass, ChartClass, Navigator, SeriesClass);
    }
    /* *
     *
     *  Constructor
     *
     * */
    constructor(chart) {
        this.scrollbarHeight = 0;
        this.init(chart);
    }
    /* *
     *
     *  Functions
     *
     * */
    /**
     * Draw one of the handles on the side of the zoomed range in the navigator.
     *
     * @private
     * @function Highcharts.Navigator#drawHandle
     *
     * @param {number} x
     *        The x center for the handle
     *
     * @param {number} index
     *        0 for left and 1 for right
     *
     * @param {boolean|undefined} inverted
     *        Flag for chart.inverted
     *
     * @param {string} verb
     *        Use 'animate' or 'attr'
     */
    drawHandle(x, index, inverted, verb) {
        const navigator = this, height = navigator.navigatorOptions.handles.height;
        // Place it
        navigator.handles[index][verb](inverted ? {
            translateX: Math.round(navigator.left + navigator.height / 2),
            translateY: Math.round(navigator.top + parseInt(x, 10) + 0.5 - height)
        } : {
            translateX: Math.round(navigator.left + parseInt(x, 10)),
            translateY: Math.round(navigator.top + navigator.height / 2 - height / 2 - 1)
        });
    }
    /**
     * Render outline around the zoomed range
     *
     * @private
     * @function Highcharts.Navigator#drawOutline
     *
     * @param {number} zoomedMin
     *        in pixels position where zoomed range starts
     *
     * @param {number} zoomedMax
     *        in pixels position where zoomed range ends
     *
     * @param {boolean|undefined} inverted
     *        flag if chart is inverted
     *
     * @param {string} verb
     *        use 'animate' or 'attr'
     */
    drawOutline(zoomedMin, zoomedMax, inverted, verb) {
        const navigator = this, maskInside = navigator.navigatorOptions.maskInside, outlineWidth = navigator.outline.strokeWidth(), halfOutline = outlineWidth / 2, outlineCorrection = (outlineWidth % 2) / 2, // #5800
        scrollButtonSize = navigator.scrollButtonSize, navigatorSize = navigator.size, navigatorTop = navigator.top, height = navigator.height, lineTop = navigatorTop - halfOutline, lineBtm = navigatorTop + height;
        let left = navigator.left, verticalMin, path;
        if (inverted) {
            verticalMin = navigatorTop + zoomedMax + outlineCorrection;
            zoomedMax = navigatorTop + zoomedMin + outlineCorrection;
            path = [
                [
                    'M',
                    left + height,
                    navigatorTop - scrollButtonSize - outlineCorrection
                ],
                // top right of zoomed range
                ['L', left + height, verticalMin],
                ['L', left, verticalMin],
                ['M', left, zoomedMax],
                ['L', left + height, zoomedMax],
                [
                    'L',
                    left + height,
                    navigatorTop + navigatorSize + scrollButtonSize
                ]
            ];
            if (maskInside) {
                path.push(
                // upper left of zoomed range
                ['M', left + height, verticalMin - halfOutline], 
                // upper right of z.r.
                [
                    'L',
                    left + height,
                    zoomedMax + halfOutline
                ]);
            }
        }
        else {
            left -= scrollButtonSize;
            zoomedMin += left + scrollButtonSize - outlineCorrection;
            zoomedMax += left + scrollButtonSize - outlineCorrection;
            path = [
                // left
                ['M', left, lineTop],
                // upper left of zoomed range
                ['L', zoomedMin, lineTop],
                // lower left of z.r.
                ['L', zoomedMin, lineBtm],
                // lower right of z.r.
                ['M', zoomedMax, lineBtm],
                // upper right of z.r.
                ['L', zoomedMax, lineTop],
                // right
                [
                    'L',
                    left + navigatorSize + scrollButtonSize * 2,
                    navigatorTop + halfOutline
                ]
            ];
            if (maskInside) {
                path.push(
                // upper left of zoomed range
                ['M', zoomedMin - halfOutline, lineTop], 
                // upper right of z.r.
                ['L', zoomedMax + halfOutline, lineTop]);
            }
        }
        navigator.outline[verb]({
            d: path
        });
    }
    /**
     * Render outline around the zoomed range
     *
     * @private
     * @function Highcharts.Navigator#drawMasks
     *
     * @param {number} zoomedMin
     *        in pixels position where zoomed range starts
     *
     * @param {number} zoomedMax
     *        in pixels position where zoomed range ends
     *
     * @param {boolean|undefined} inverted
     *        flag if chart is inverted
     *
     * @param {string} verb
     *        use 'animate' or 'attr'
     */
    drawMasks(zoomedMin, zoomedMax, inverted, verb) {
        const navigator = this, left = navigator.left, top = navigator.top, navigatorHeight = navigator.height;
        let height, width, x, y;
        // Determine rectangle position & size
        // According to (non)inverted position:
        if (inverted) {
            x = [left, left, left];
            y = [top, top + zoomedMin, top + zoomedMax];
            width = [navigatorHeight, navigatorHeight, navigatorHeight];
            height = [
                zoomedMin,
                zoomedMax - zoomedMin,
                navigator.size - zoomedMax
            ];
        }
        else {
            x = [left, left + zoomedMin, left + zoomedMax];
            y = [top, top, top];
            width = [
                zoomedMin,
                zoomedMax - zoomedMin,
                navigator.size - zoomedMax
            ];
            height = [navigatorHeight, navigatorHeight, navigatorHeight];
        }
        navigator.shades.forEach((shade, i) => {
            shade[verb]({
                x: x[i],
                y: y[i],
                width: width[i],
                height: height[i]
            });
        });
    }
    /**
     * Generate DOM elements for a navigator:
     *
     * - main navigator group
     *
     * - all shades
     *
     * - outline
     *
     * - handles
     *
     * @private
     * @function Highcharts.Navigator#renderElements
     */
    renderElements() {
        const navigator = this, navigatorOptions = navigator.navigatorOptions, maskInside = navigatorOptions.maskInside, chart = navigator.chart, inverted = chart.inverted, renderer = chart.renderer, mouseCursor = {
            cursor: inverted ? 'ns-resize' : 'ew-resize'
        }, 
        // Create the main navigator group
        navigatorGroup = navigator.navigatorGroup = renderer
            .g('navigator')
            .attr({
            zIndex: 8,
            visibility: 'hidden'
        })
            .add();
        // Create masks, each mask will get events and fill:
        [
            !maskInside,
            maskInside,
            !maskInside
        ].forEach((hasMask, index) => {
            const shade = renderer.rect()
                .addClass('highcharts-navigator-mask' +
                (index === 1 ? '-inside' : '-outside'))
                .add(navigatorGroup);
            if (!chart.styledMode) {
                shade.attr({
                    fill: hasMask ?
                        navigatorOptions.maskFill :
                        'rgba(0,0,0,0)'
                });
                if (index === 1) {
                    shade.css(mouseCursor);
                }
            }
            navigator.shades[index] = shade;
        });
        // Create the outline:
        navigator.outline = renderer.path()
            .addClass('highcharts-navigator-outline')
            .add(navigatorGroup);
        if (!chart.styledMode) {
            navigator.outline.attr({
                'stroke-width': navigatorOptions.outlineWidth,
                stroke: navigatorOptions.outlineColor
            });
        }
        // Create the handlers:
        if (navigatorOptions.handles && navigatorOptions.handles.enabled) {
            const handlesOptions = navigatorOptions.handles, { height, width } = handlesOptions;
            [0, 1].forEach((index) => {
                navigator.handles[index] = renderer.symbol(handlesOptions.symbols[index], -width / 2 - 1, 0, width, height, handlesOptions);
                if (chart.inverted) {
                    navigator.handles[index].attr({
                        rotation: 90,
                        rotationOriginX: Math.floor(-width / 2),
                        rotationOriginY: (height + width) / 2
                    });
                }
                // zIndex = 6 for right handle, 7 for left.
                // Can't be 10, because of the tooltip in inverted chart #2908
                navigator.handles[index].attr({ zIndex: 7 - index })
                    .addClass('highcharts-navigator-handle ' +
                    'highcharts-navigator-handle-' +
                    ['left', 'right'][index]).add(navigatorGroup);
                if (!chart.styledMode) {
                    navigator.handles[index]
                        .attr({
                        fill: handlesOptions.backgroundColor,
                        stroke: handlesOptions.borderColor,
                        'stroke-width': handlesOptions.lineWidth
                    })
                        .css(mouseCursor);
                }
            });
        }
    }
    /**
     * Update navigator
     *
     * @private
     * @function Highcharts.Navigator#update
     *
     * @param {Highcharts.NavigatorOptions} options
     *        Options to merge in when updating navigator
     */
    update(options) {
        // Remove references to old navigator series in base series
        (this.series || []).forEach((series) => {
            if (series.baseSeries) {
                delete series.baseSeries.navigatorSeries;
            }
        });
        // Destroy and rebuild navigator
        this.destroy();
        const chartOptions = this.chart.options;
        merge(true, chartOptions.navigator, options);
        this.init(this.chart);
    }
    /**
     * Render the navigator
     *
     * @private
     * @function Highcharts.Navigator#render
     * @param {number} min
     *        X axis value minimum
     * @param {number} max
     *        X axis value maximum
     * @param {number} [pxMin]
     *        Pixel value minimum
     * @param {number} [pxMax]
     *        Pixel value maximum
     */
    render(min, max, pxMin, pxMax) {
        const navigator = this, chart = navigator.chart, xAxis = navigator.xAxis, pointRange = xAxis.pointRange || 0, scrollbarXAxis = xAxis.navigatorAxis.fake ? chart.xAxis[0] : xAxis, navigatorEnabled = navigator.navigatorEnabled, rendered = navigator.rendered, inverted = chart.inverted, minRange = chart.xAxis[0].minRange, maxRange = chart.xAxis[0].options.maxRange, scrollButtonSize = navigator.scrollButtonSize;
        let navigatorWidth, scrollbarLeft, scrollbarTop, scrollbarHeight = navigator.scrollbarHeight, navigatorSize, verb;
        // Don't redraw while moving the handles (#4703).
        if (this.hasDragged && !defined(pxMin)) {
            return;
        }
        min = correctFloat(min - pointRange / 2);
        max = correctFloat(max + pointRange / 2);
        // Don't render the navigator until we have data (#486, #4202, #5172).
        if (!isNumber(min) || !isNumber(max)) {
            // However, if navigator was already rendered, we may need to resize
            // it. For example hidden series, but visible navigator (#6022).
            if (rendered) {
                pxMin = 0;
                pxMax = pick(xAxis.width, scrollbarXAxis.width);
            }
            else {
                return;
            }
        }
        navigator.left = pick(xAxis.left, 
        // in case of scrollbar only, without navigator
        chart.plotLeft + scrollButtonSize +
            (inverted ? chart.plotWidth : 0));
        let zoomedMax = navigator.size = navigatorSize = pick(xAxis.len, (inverted ? chart.plotHeight : chart.plotWidth) -
            2 * scrollButtonSize);
        if (inverted) {
            navigatorWidth = scrollbarHeight;
        }
        else {
            navigatorWidth = navigatorSize + 2 * scrollButtonSize;
        }
        // Get the pixel position of the handles
        pxMin = pick(pxMin, xAxis.toPixels(min, true));
        pxMax = pick(pxMax, xAxis.toPixels(max, true));
        // Verify (#1851, #2238)
        if (!isNumber(pxMin) || Math.abs(pxMin) === Infinity) {
            pxMin = 0;
            pxMax = navigatorWidth;
        }
        // Are we below the minRange? (#2618, #6191)
        const newMin = xAxis.toValue(pxMin, true), newMax = xAxis.toValue(pxMax, true), currentRange = Math.abs(correctFloat(newMax - newMin));
        if (currentRange < minRange) {
            if (this.grabbedLeft) {
                pxMin = xAxis.toPixels(newMax - minRange - pointRange, true);
            }
            else if (this.grabbedRight) {
                pxMax = xAxis.toPixels(newMin + minRange + pointRange, true);
            }
        }
        else if (defined(maxRange) &&
            correctFloat(currentRange - pointRange) > maxRange) {
            if (this.grabbedLeft) {
                pxMin = xAxis.toPixels(newMax - maxRange - pointRange, true);
            }
            else if (this.grabbedRight) {
                pxMax = xAxis.toPixels(newMin + maxRange + pointRange, true);
            }
        }
        // Handles are allowed to cross, but never exceed the plot area
        navigator.zoomedMax = clamp(Math.max(pxMin, pxMax), 0, zoomedMax);
        navigator.zoomedMin = clamp(navigator.fixedWidth ?
            navigator.zoomedMax - navigator.fixedWidth :
            Math.min(pxMin, pxMax), 0, zoomedMax);
        navigator.range = navigator.zoomedMax - navigator.zoomedMin;
        zoomedMax = Math.round(navigator.zoomedMax);
        const zoomedMin = Math.round(navigator.zoomedMin);
        if (navigatorEnabled) {
            navigator.navigatorGroup.attr({
                visibility: 'inherit'
            });
            // Place elements
            verb = rendered && !navigator.hasDragged ? 'animate' : 'attr';
            navigator.drawMasks(zoomedMin, zoomedMax, inverted, verb);
            navigator.drawOutline(zoomedMin, zoomedMax, inverted, verb);
            if (navigator.navigatorOptions.handles.enabled) {
                navigator.drawHandle(zoomedMin, 0, inverted, verb);
                navigator.drawHandle(zoomedMax, 1, inverted, verb);
            }
        }
        if (navigator.scrollbar) {
            if (inverted) {
                scrollbarTop = navigator.top - scrollButtonSize;
                scrollbarLeft = navigator.left - scrollbarHeight +
                    (navigatorEnabled || !scrollbarXAxis.opposite ? 0 :
                        // Multiple axes has offsets:
                        (scrollbarXAxis.titleOffset || 0) +
                            // Self margin from the axis.title
                            scrollbarXAxis.axisTitleMargin);
                scrollbarHeight = navigatorSize + 2 * scrollButtonSize;
            }
            else {
                scrollbarTop = navigator.top + (navigatorEnabled ?
                    navigator.height :
                    -scrollbarHeight);
                scrollbarLeft = navigator.left - scrollButtonSize;
            }
            // Reposition scrollbar
            navigator.scrollbar.position(scrollbarLeft, scrollbarTop, navigatorWidth, scrollbarHeight);
            // Keep scale 0-1
            navigator.scrollbar.setRange(
            // Use real value, not rounded because range can be very small
            // (#1716)
            navigator.zoomedMin / (navigatorSize || 1), navigator.zoomedMax / (navigatorSize || 1));
        }
        navigator.rendered = true;
        fireEvent(this, 'afterRender');
    }
    /**
     * Set up the mouse and touch events for the navigator
     *
     * @private
     * @function Highcharts.Navigator#addMouseEvents
     */
    addMouseEvents() {
        const navigator = this, chart = navigator.chart, container = chart.container;
        let eventsToUnbind = [], mouseMoveHandler, mouseUpHandler;
        /**
         * Create mouse events' handlers.
         * Make them as separate functions to enable wrapping them:
         */
        navigator.mouseMoveHandler = mouseMoveHandler = function (e) {
            navigator.onMouseMove(e);
        };
        navigator.mouseUpHandler = mouseUpHandler = function (e) {
            navigator.onMouseUp(e);
        };
        // Add shades and handles mousedown events
        eventsToUnbind = navigator.getPartsEvents('mousedown');
        // Add mouse move and mouseup events. These are bind to doc/container,
        // because Navigator.grabbedSomething flags are stored in mousedown
        // events
        eventsToUnbind.push(addEvent(chart.renderTo, 'mousemove', mouseMoveHandler), addEvent(container.ownerDocument, 'mouseup', mouseUpHandler));
        // Touch events
        if (hasTouch) {
            eventsToUnbind.push(addEvent(chart.renderTo, 'touchmove', mouseMoveHandler), addEvent(container.ownerDocument, 'touchend', mouseUpHandler));
            eventsToUnbind.concat(navigator.getPartsEvents('touchstart'));
        }
        navigator.eventsToUnbind = eventsToUnbind;
        // Data events
        if (navigator.series && navigator.series[0]) {
            eventsToUnbind.push(addEvent(navigator.series[0].xAxis, 'foundExtremes', function () {
                chart.navigator.modifyNavigatorAxisExtremes();
            }));
        }
    }
    /**
     * Generate events for handles and masks
     *
     * @private
     * @function Highcharts.Navigator#getPartsEvents
     *
     * @param {string} eventName
     *        Event name handler, 'mousedown' or 'touchstart'
     *
     * @return {Array<Function>}
     *         An array of functions to remove navigator functions from the
     *         events again.
     */
    getPartsEvents(eventName) {
        const navigator = this, events = [];
        ['shades', 'handles'].forEach(function (name) {
            navigator[name].forEach(function (navigatorItem, index) {
                events.push(addEvent(navigatorItem.element, eventName, function (e) {
                    navigator[name + 'Mousedown'](e, index);
                }));
            });
        });
        return events;
    }
    /**
     * Mousedown on a shaded mask, either:
     *
     * - will be stored for future drag&drop
     *
     * - will directly shift to a new range
     *
     * @private
     * @function Highcharts.Navigator#shadesMousedown
     *
     * @param {Highcharts.PointerEventObject} e
     *        Mouse event
     *
     * @param {number} index
     *        Index of a mask in Navigator.shades array
     */
    shadesMousedown(e, index) {
        e = this.chart.pointer.normalize(e);
        const navigator = this, chart = navigator.chart, xAxis = navigator.xAxis, zoomedMin = navigator.zoomedMin, navigatorSize = navigator.size, range = navigator.range;
        let navigatorPosition = navigator.left, chartX = e.chartX, fixedMax, fixedMin, ext, left;
        // For inverted chart, swap some options:
        if (chart.inverted) {
            chartX = e.chartY;
            navigatorPosition = navigator.top;
        }
        if (index === 1) {
            // Store information for drag&drop
            navigator.grabbedCenter = chartX;
            navigator.fixedWidth = range;
            navigator.dragOffset = chartX - zoomedMin;
        }
        else {
            // Shift the range by clicking on shaded areas
            left = chartX - navigatorPosition - range / 2;
            if (index === 0) {
                left = Math.max(0, left);
            }
            else if (index === 2 && left + range >= navigatorSize) {
                left = navigatorSize - range;
                if (navigator.reversedExtremes) {
                    // #7713
                    left -= range;
                    fixedMin = navigator.getUnionExtremes().dataMin;
                }
                else {
                    // #2293, #3543
                    fixedMax = navigator.getUnionExtremes().dataMax;
                }
            }
            if (left !== zoomedMin) { // it has actually moved
                navigator.fixedWidth = range; // #1370
                ext = xAxis.navigatorAxis.toFixedRange(left, left + range, fixedMin, fixedMax);
                if (defined(ext.min)) { // #7411
                    chart.xAxis[0].setExtremes(Math.min(ext.min, ext.max), Math.max(ext.min, ext.max), true, null, // auto animation
                    { trigger: 'navigator' });
                }
            }
        }
    }
    /**
     * Mousedown on a handle mask.
     * Will store necessary information for drag&drop.
     *
     * @private
     * @function Highcharts.Navigator#handlesMousedown
     * @param {Highcharts.PointerEventObject} e
     *        Mouse event
     * @param {number} index
     *        Index of a handle in Navigator.handles array
     */
    handlesMousedown(e, index) {
        e = this.chart.pointer.normalize(e);
        const navigator = this, chart = navigator.chart, baseXAxis = chart.xAxis[0], 
        // For reversed axes, min and max are changed,
        // so the other extreme should be stored
        reverse = navigator.reversedExtremes;
        if (index === 0) {
            // Grab the left handle
            navigator.grabbedLeft = true;
            navigator.otherHandlePos = navigator.zoomedMax;
            navigator.fixedExtreme = reverse ? baseXAxis.min : baseXAxis.max;
        }
        else {
            // Grab the right handle
            navigator.grabbedRight = true;
            navigator.otherHandlePos = navigator.zoomedMin;
            navigator.fixedExtreme = reverse ? baseXAxis.max : baseXAxis.min;
        }
        chart.fixedRange = null;
    }
    /**
     * Mouse move event based on x/y mouse position.
     *
     * @private
     * @function Highcharts.Navigator#onMouseMove
     *
     * @param {Highcharts.PointerEventObject} e
     *        Mouse event
     */
    onMouseMove(e) {
        const navigator = this, chart = navigator.chart, navigatorSize = navigator.navigatorSize, range = navigator.range, dragOffset = navigator.dragOffset, inverted = chart.inverted;
        let left = navigator.left, chartX;
        // In iOS, a mousemove event with e.pageX === 0 is fired when holding
        // the finger down in the center of the scrollbar. This should be
        // ignored.
        if (!e.touches || e.touches[0].pageX !== 0) { // #4696
            e = chart.pointer.normalize(e);
            chartX = e.chartX;
            // Swap some options for inverted chart
            if (inverted) {
                left = navigator.top;
                chartX = e.chartY;
            }
            // Drag left handle or top handle
            if (navigator.grabbedLeft) {
                navigator.hasDragged = true;
                navigator.render(0, 0, chartX - left, navigator.otherHandlePos);
                // Drag right handle or bottom handle
            }
            else if (navigator.grabbedRight) {
                navigator.hasDragged = true;
                navigator.render(0, 0, navigator.otherHandlePos, chartX - left);
                // Drag scrollbar or open area in navigator
            }
            else if (navigator.grabbedCenter) {
                navigator.hasDragged = true;
                if (chartX < dragOffset) { // outside left
                    chartX = dragOffset;
                    // outside right
                }
                else if (chartX >
                    navigatorSize + dragOffset - range) {
                    chartX = navigatorSize + dragOffset - range;
                }
                navigator.render(0, 0, chartX - dragOffset, chartX - dragOffset + range);
            }
            if (navigator.hasDragged &&
                navigator.scrollbar &&
                pick(navigator.scrollbar.options.liveRedraw, 
                // By default, don't run live redraw on touch
                // devices or if the chart is in boost.
                !isTouchDevice &&
                    !this.chart.boosted)) {
                e.DOMType = e.type;
                setTimeout(function () {
                    navigator.onMouseUp(e);
                }, 0);
            }
        }
    }
    /**
     * Mouse up event based on x/y mouse position.
     *
     * @private
     * @function Highcharts.Navigator#onMouseUp
     * @param {Highcharts.PointerEventObject} e
     *        Mouse event
     */
    onMouseUp(e) {
        const navigator = this, chart = navigator.chart, xAxis = navigator.xAxis, scrollbar = navigator.scrollbar, DOMEvent = e.DOMEvent || e, inverted = chart.inverted, verb = navigator.rendered && !navigator.hasDragged ?
            'animate' : 'attr';
        let zoomedMax, zoomedMin, unionExtremes, fixedMin, fixedMax, ext;
        if (
        // MouseUp is called for both, navigator and scrollbar (that order),
        // which causes calling afterSetExtremes twice. Prevent first call
        // by checking if scrollbar is going to set new extremes (#6334)
        (navigator.hasDragged && (!scrollbar || !scrollbar.hasDragged)) ||
            e.trigger === 'scrollbar') {
            unionExtremes = navigator.getUnionExtremes();
            // When dragging one handle, make sure the other one doesn't change
            if (navigator.zoomedMin === navigator.otherHandlePos) {
                fixedMin = navigator.fixedExtreme;
            }
            else if (navigator.zoomedMax === navigator.otherHandlePos) {
                fixedMax = navigator.fixedExtreme;
            }
            // Snap to right edge (#4076)
            if (navigator.zoomedMax === navigator.size) {
                fixedMax = navigator.reversedExtremes ?
                    unionExtremes.dataMin :
                    unionExtremes.dataMax;
            }
            // Snap to left edge (#7576)
            if (navigator.zoomedMin === 0) {
                fixedMin = navigator.reversedExtremes ?
                    unionExtremes.dataMax :
                    unionExtremes.dataMin;
            }
            ext = xAxis.navigatorAxis.toFixedRange(navigator.zoomedMin, navigator.zoomedMax, fixedMin, fixedMax);
            if (defined(ext.min)) {
                chart.xAxis[0].setExtremes(Math.min(ext.min, ext.max), Math.max(ext.min, ext.max), true, 
                // Run animation when clicking buttons, scrollbar track etc,
                // but not when dragging handles or scrollbar
                navigator.hasDragged ? false : null, {
                    trigger: 'navigator',
                    triggerOp: 'navigator-drag',
                    DOMEvent: DOMEvent // #1838
                });
            }
        }
        if (e.DOMType !== 'mousemove' &&
            e.DOMType !== 'touchmove') {
            navigator.grabbedLeft = navigator.grabbedRight =
                navigator.grabbedCenter = navigator.fixedWidth =
                    navigator.fixedExtreme = navigator.otherHandlePos =
                        navigator.hasDragged = navigator.dragOffset = null;
        }
        // Update position of navigator shades, outline and handles (#12573)
        if (navigator.navigatorEnabled &&
            isNumber(navigator.zoomedMin) &&
            isNumber(navigator.zoomedMax)) {
            zoomedMin = Math.round(navigator.zoomedMin);
            zoomedMax = Math.round(navigator.zoomedMax);
            if (navigator.shades) {
                navigator.drawMasks(zoomedMin, zoomedMax, inverted, verb);
            }
            if (navigator.outline) {
                navigator.drawOutline(zoomedMin, zoomedMax, inverted, verb);
            }
            if (navigator.navigatorOptions.handles.enabled &&
                Object.keys(navigator.handles).length ===
                    navigator.handles.length) {
                navigator.drawHandle(zoomedMin, 0, inverted, verb);
                navigator.drawHandle(zoomedMax, 1, inverted, verb);
            }
        }
    }
    /**
     * Removes the event handlers attached previously with addEvents.
     *
     * @private
     * @function Highcharts.Navigator#removeEvents
     */
    removeEvents() {
        if (this.eventsToUnbind) {
            this.eventsToUnbind.forEach(function (unbind) {
                unbind();
            });
            this.eventsToUnbind = void 0;
        }
        this.removeBaseSeriesEvents();
    }
    /**
     * Remove data events.
     *
     * @private
     * @function Highcharts.Navigator#removeBaseSeriesEvents
     */
    removeBaseSeriesEvents() {
        const baseSeries = this.baseSeries || [];
        if (this.navigatorEnabled && baseSeries[0]) {
            if (this.navigatorOptions.adaptToUpdatedData !== false) {
                baseSeries.forEach(function (series) {
                    removeEvent(series, 'updatedData', this.updatedDataHandler);
                }, this);
            }
            // We only listen for extremes-events on the first baseSeries
            if (baseSeries[0].xAxis) {
                removeEvent(baseSeries[0].xAxis, 'foundExtremes', this.modifyBaseAxisExtremes);
            }
        }
    }
    /**
     * Initialize the Navigator object
     *
     * @private
     * @function Highcharts.Navigator#init
     */
    init(chart) {
        const chartOptions = chart.options, navigatorOptions = chartOptions.navigator || {}, navigatorEnabled = navigatorOptions.enabled, scrollbarOptions = chartOptions.scrollbar || {}, scrollbarEnabled = scrollbarOptions.enabled, height = navigatorEnabled && navigatorOptions.height || 0, scrollbarHeight = scrollbarEnabled && scrollbarOptions.height || 0, scrollButtonSize = scrollbarOptions.buttonsEnabled && scrollbarHeight || 0;
        this.handles = [];
        this.shades = [];
        this.chart = chart;
        this.setBaseSeries();
        this.height = height;
        this.scrollbarHeight = scrollbarHeight;
        this.scrollButtonSize = scrollButtonSize;
        this.scrollbarEnabled = scrollbarEnabled;
        this.navigatorEnabled = navigatorEnabled;
        this.navigatorOptions = navigatorOptions;
        this.scrollbarOptions = scrollbarOptions;
        this.opposite = pick(navigatorOptions.opposite, Boolean(!navigatorEnabled && chart.inverted)); // #6262
        const navigator = this, baseSeries = navigator.baseSeries, xAxisIndex = chart.xAxis.length, yAxisIndex = chart.yAxis.length, baseXaxis = baseSeries && baseSeries[0] && baseSeries[0].xAxis ||
            chart.xAxis[0] || { options: {} };
        chart.isDirtyBox = true;
        if (navigator.navigatorEnabled) {
            // an x axis is required for scrollbar also
            navigator.xAxis = new Axis(chart, merge({
                // inherit base xAxis' break and ordinal options
                breaks: baseXaxis.options.breaks,
                ordinal: baseXaxis.options.ordinal
            }, navigatorOptions.xAxis, {
                id: 'navigator-x-axis',
                yAxis: 'navigator-y-axis',
                type: 'datetime',
                index: xAxisIndex,
                isInternal: true,
                offset: 0,
                keepOrdinalPadding: true,
                startOnTick: false,
                endOnTick: false,
                minPadding: 0,
                maxPadding: 0,
                zoomEnabled: false
            }, chart.inverted ? {
                offsets: [scrollButtonSize, 0, -scrollButtonSize, 0],
                width: height
            } : {
                offsets: [0, -scrollButtonSize, 0, scrollButtonSize],
                height: height
            }), 'xAxis');
            navigator.yAxis = new Axis(chart, merge(navigatorOptions.yAxis, {
                id: 'navigator-y-axis',
                alignTicks: false,
                offset: 0,
                index: yAxisIndex,
                isInternal: true,
                reversed: pick((navigatorOptions.yAxis &&
                    navigatorOptions.yAxis.reversed), (chart.yAxis[0] && chart.yAxis[0].reversed), false),
                zoomEnabled: false
            }, chart.inverted ? {
                width: height
            } : {
                height: height
            }), 'yAxis');
            // If we have a base series, initialize the navigator series
            if (baseSeries || navigatorOptions.series.data) {
                navigator.updateNavigatorSeries(false);
                // If not, set up an event to listen for added series
            }
            else if (chart.series.length === 0) {
                navigator.unbindRedraw = addEvent(chart, 'beforeRedraw', function () {
                    // We've got one, now add it as base
                    if (chart.series.length > 0 && !navigator.series) {
                        navigator.setBaseSeries();
                        navigator.unbindRedraw(); // reset
                    }
                });
            }
            navigator.reversedExtremes = (chart.inverted && !navigator.xAxis.reversed) || (!chart.inverted && navigator.xAxis.reversed);
            // Render items, so we can bind events to them:
            navigator.renderElements();
            // Add mouse events
            navigator.addMouseEvents();
            // in case of scrollbar only, fake an x axis to get translation
        }
        else {
            navigator.xAxis = {
                chart,
                navigatorAxis: {
                    fake: true
                },
                translate: function (value, reverse) {
                    const axis = chart.xAxis[0], ext = axis.getExtremes(), scrollTrackWidth = axis.len - 2 * scrollButtonSize, min = numExt('min', axis.options.min, ext.dataMin), valueRange = numExt('max', axis.options.max, ext.dataMax) - min;
                    return reverse ?
                        // from pixel to value
                        (value * valueRange / scrollTrackWidth) + min :
                        // from value to pixel
                        scrollTrackWidth * (value - min) / valueRange;
                },
                toPixels: function (value) {
                    return this.translate(value);
                },
                toValue: function (value) {
                    return this.translate(value, true);
                }
            };
            navigator.xAxis.navigatorAxis.axis = navigator.xAxis;
            navigator.xAxis.navigatorAxis.toFixedRange = (NavigatorAxisAdditions.prototype.toFixedRange.bind(navigator.xAxis.navigatorAxis));
        }
        // Initialize the scrollbar
        if (chart.options.scrollbar.enabled) {
            const options = merge(chart.options.scrollbar, { vertical: chart.inverted });
            if (!isNumber(options.margin) && navigator.navigatorEnabled) {
                options.margin = chart.inverted ? -3 : 3;
            }
            chart.scrollbar = navigator.scrollbar = new Scrollbar(chart.renderer, options, chart);
            addEvent(navigator.scrollbar, 'changed', function (e) {
                const range = navigator.size, to = range * this.to, from = range * this.from;
                navigator.hasDragged = navigator.scrollbar.hasDragged;
                navigator.render(0, 0, from, to);
                if (this.shouldUpdateExtremes(e.DOMType)) {
                    setTimeout(function () {
                        navigator.onMouseUp(e);
                    });
                }
            });
        }
        // Add data events
        navigator.addBaseSeriesEvents();
        // Add redraw events
        navigator.addChartEvents();
    }
    /**
     * Get the union data extremes of the chart - the outer data extremes of the
     * base X axis and the navigator axis.
     *
     * @private
     * @function Highcharts.Navigator#getUnionExtremes
     */
    getUnionExtremes(returnFalseOnNoBaseSeries) {
        const baseAxis = this.chart.xAxis[0], navAxis = this.xAxis, navAxisOptions = navAxis.options, baseAxisOptions = baseAxis.options;
        let ret;
        if (!returnFalseOnNoBaseSeries || baseAxis.dataMin !== null) {
            ret = {
                dataMin: pick(// #4053
                navAxisOptions && navAxisOptions.min, numExt('min', baseAxisOptions.min, baseAxis.dataMin, navAxis.dataMin, navAxis.min)),
                dataMax: pick(navAxisOptions && navAxisOptions.max, numExt('max', baseAxisOptions.max, baseAxis.dataMax, navAxis.dataMax, navAxis.max))
            };
        }
        return ret;
    }
    /**
     * Set the base series and update the navigator series from this. With a bit
     * of modification we should be able to make this an API method to be called
     * from the outside
     *
     * @private
     * @function Highcharts.Navigator#setBaseSeries
     * @param {Highcharts.SeriesOptionsType} [baseSeriesOptions]
     *        Additional series options for a navigator
     * @param {boolean} [redraw]
     *        Whether to redraw after update.
     */
    setBaseSeries(baseSeriesOptions, redraw) {
        const chart = this.chart, baseSeries = this.baseSeries = [];
        baseSeriesOptions = (baseSeriesOptions ||
            chart.options && chart.options.navigator.baseSeries ||
            (chart.series.length ?
                // Find the first non-navigator series (#8430)
                find(chart.series, (s) => (!s.options.isInternal)).index :
                0));
        // Iterate through series and add the ones that should be shown in
        // navigator.
        (chart.series || []).forEach((series, i) => {
            if (
            // Don't include existing nav series
            !series.options.isInternal &&
                (series.options.showInNavigator ||
                    (i === baseSeriesOptions ||
                        series.options.id === baseSeriesOptions) &&
                        series.options.showInNavigator !== false)) {
                baseSeries.push(series);
            }
        });
        // When run after render, this.xAxis already exists
        if (this.xAxis && !this.xAxis.navigatorAxis.fake) {
            this.updateNavigatorSeries(true, redraw);
        }
    }
    /**
     * Update series in the navigator from baseSeries, adding new if does not
     * exist.
     *
     * @private
     * @function Highcharts.Navigator.updateNavigatorSeries
     */
    updateNavigatorSeries(addEvents, redraw) {
        const navigator = this, chart = navigator.chart, baseSeries = navigator.baseSeries, navSeriesMixin = {
            enableMouseTracking: false,
            index: null,
            linkedTo: null,
            group: 'nav',
            padXAxis: false,
            xAxis: 'navigator-x-axis',
            yAxis: 'navigator-y-axis',
            showInLegend: false,
            stacking: void 0,
            isInternal: true,
            states: {
                inactive: {
                    opacity: 1
                }
            }
        }, 
        // Remove navigator series that are no longer in the baseSeries
        navigatorSeries = navigator.series =
            (navigator.series || []).filter((navSeries) => {
                const base = navSeries.baseSeries;
                if (baseSeries.indexOf(base) < 0) { // Not in array
                    // If there is still a base series connected to this
                    // series, remove event handler and reference.
                    if (base) {
                        removeEvent(base, 'updatedData', navigator.updatedDataHandler);
                        delete base.navigatorSeries;
                    }
                    // Kill the nav series. It may already have been
                    // destroyed (#8715).
                    if (navSeries.chart) {
                        navSeries.destroy();
                    }
                    return false;
                }
                return true;
            });
        let baseOptions, mergedNavSeriesOptions, chartNavigatorSeriesOptions = navigator.navigatorOptions.series, baseNavigatorOptions;
        // Go through each base series and merge the options to create new
        // series
        if (baseSeries && baseSeries.length) {
            baseSeries.forEach((base) => {
                const linkedNavSeries = base.navigatorSeries, userNavOptions = extend(
                // Grab color and visibility from base as default
                {
                    color: base.color,
                    visible: base.visible
                }, !isArray(chartNavigatorSeriesOptions) ?
                    chartNavigatorSeriesOptions :
                    defaultOptions.navigator.series);
                // Don't update if the series exists in nav and we have disabled
                // adaptToUpdatedData.
                if (linkedNavSeries &&
                    navigator.navigatorOptions.adaptToUpdatedData === false) {
                    return;
                }
                navSeriesMixin.name = 'Navigator ' + baseSeries.length;
                baseOptions = base.options || {};
                baseNavigatorOptions = baseOptions.navigatorOptions || {};
                // The dataLabels options are not merged correctly
                // if the settings are an array, #13847.
                userNavOptions.dataLabels = splat(userNavOptions.dataLabels);
                mergedNavSeriesOptions = merge(baseOptions, navSeriesMixin, userNavOptions, baseNavigatorOptions);
                // Once nav series type is resolved, pick correct pointRange
                mergedNavSeriesOptions.pointRange = pick(
                // Stricte set pointRange in options
                userNavOptions.pointRange, baseNavigatorOptions.pointRange, 
                // Fallback to default values, e.g. `null` for column
                defaultOptions.plotOptions[mergedNavSeriesOptions.type || 'line'].pointRange);
                // Merge data separately. Do a slice to avoid mutating the
                // navigator options from base series (#4923).
                const navigatorSeriesData = baseNavigatorOptions.data || userNavOptions.data;
                navigator.hasNavigatorData =
                    navigator.hasNavigatorData || !!navigatorSeriesData;
                mergedNavSeriesOptions.data =
                    navigatorSeriesData ||
                        baseOptions.data && baseOptions.data.slice(0);
                // Update or add the series
                if (linkedNavSeries && linkedNavSeries.options) {
                    linkedNavSeries.update(mergedNavSeriesOptions, redraw);
                }
                else {
                    base.navigatorSeries = chart.initSeries(mergedNavSeriesOptions);
                    base.navigatorSeries.baseSeries = base; // Store ref
                    navigatorSeries.push(base.navigatorSeries);
                }
            });
        }
        // If user has defined data (and no base series) or explicitly defined
        // navigator.series as an array, we create these series on top of any
        // base series.
        if (chartNavigatorSeriesOptions.data &&
            !(baseSeries && baseSeries.length) ||
            isArray(chartNavigatorSeriesOptions)) {
            navigator.hasNavigatorData = false;
            // Allow navigator.series to be an array
            chartNavigatorSeriesOptions =
                splat(chartNavigatorSeriesOptions);
            chartNavigatorSeriesOptions.forEach((userSeriesOptions, i) => {
                navSeriesMixin.name =
                    'Navigator ' + (navigatorSeries.length + 1);
                mergedNavSeriesOptions = merge(defaultOptions.navigator.series, {
                    // Since we don't have a base series to pull color from,
                    // try to fake it by using color from series with same
                    // index. Otherwise pull from the colors array. We need
                    // an explicit color as otherwise updates will increment
                    // color counter and we'll get a new color for each
                    // update of the nav series.
                    color: chart.series[i] &&
                        !chart.series[i].options.isInternal &&
                        chart.series[i].color ||
                        chart.options.colors[i] ||
                        chart.options.colors[0]
                }, navSeriesMixin, userSeriesOptions);
                mergedNavSeriesOptions.data = userSeriesOptions.data;
                if (mergedNavSeriesOptions.data) {
                    navigator.hasNavigatorData = true;
                    navigatorSeries.push(chart.initSeries(mergedNavSeriesOptions));
                }
            });
        }
        if (addEvents) {
            this.addBaseSeriesEvents();
        }
    }
    /**
     * Add data events.
     * For example when main series is updated we need to recalculate extremes
     *
     * @private
     * @function Highcharts.Navigator#addBaseSeriesEvent
     */
    addBaseSeriesEvents() {
        const navigator = this, baseSeries = navigator.baseSeries || [];
        // Bind modified extremes event to first base's xAxis only.
        // In event of > 1 base-xAxes, the navigator will ignore those.
        // Adding this multiple times to the same axis is no problem, as
        // duplicates should be discarded by the browser.
        if (baseSeries[0] && baseSeries[0].xAxis) {
            baseSeries[0].eventsToUnbind.push(addEvent(baseSeries[0].xAxis, 'foundExtremes', this.modifyBaseAxisExtremes));
        }
        baseSeries.forEach((base) => {
            // Link base series show/hide to navigator series visibility
            base.eventsToUnbind.push(addEvent(base, 'show', function () {
                if (this.navigatorSeries) {
                    this.navigatorSeries.setVisible(true, false);
                }
            }));
            base.eventsToUnbind.push(addEvent(base, 'hide', function () {
                if (this.navigatorSeries) {
                    this.navigatorSeries.setVisible(false, false);
                }
            }));
            // Respond to updated data in the base series, unless explicitily
            // not adapting to data changes.
            if (this.navigatorOptions.adaptToUpdatedData !== false) {
                if (base.xAxis) {
                    base.eventsToUnbind.push(addEvent(base, 'updatedData', this.updatedDataHandler));
                }
            }
            // Handle series removal
            base.eventsToUnbind.push(addEvent(base, 'remove', function () {
                if (this.navigatorSeries) {
                    erase(navigator.series, this.navigatorSeries);
                    if (defined(this.navigatorSeries.options)) {
                        this.navigatorSeries.remove(false);
                    }
                    delete this.navigatorSeries;
                }
            }));
        });
    }
    /**
     * Get minimum from all base series connected to the navigator
     * @private
     * @param {number} currentSeriesMin
     *        Minium from the current series
     * @return {number}
     *         Minimum from all series
     */
    getBaseSeriesMin(currentSeriesMin) {
        return this.baseSeries.reduce(function (min, series) {
            // (#10193)
            return Math.min(min, series.xData && series.xData.length ?
                series.xData[0] : min);
        }, currentSeriesMin);
    }
    /**
     * Set the navigator x axis extremes to reflect the total. The navigator
     * extremes should always be the extremes of the union of all series in the
     * chart as well as the navigator series.
     *
     * @private
     * @function Highcharts.Navigator#modifyNavigatorAxisExtremes
     */
    modifyNavigatorAxisExtremes() {
        const xAxis = this.xAxis;
        if (typeof xAxis.getExtremes !== 'undefined') {
            const unionExtremes = this.getUnionExtremes(true);
            if (unionExtremes &&
                (unionExtremes.dataMin !== xAxis.min ||
                    unionExtremes.dataMax !== xAxis.max)) {
                xAxis.min = unionExtremes.dataMin;
                xAxis.max = unionExtremes.dataMax;
            }
        }
    }
    /**
     * Hook to modify the base axis extremes with information from the Navigator
     *
     * @private
     * @function Highcharts.Navigator#modifyBaseAxisExtremes
     */
    modifyBaseAxisExtremes() {
        const baseXAxis = this, navigator = baseXAxis.chart.navigator, baseExtremes = baseXAxis.getExtremes(), baseMin = baseExtremes.min, baseMax = baseExtremes.max, baseDataMin = baseExtremes.dataMin, baseDataMax = baseExtremes.dataMax, range = baseMax - baseMin, stickToMin = navigator.stickToMin, stickToMax = navigator.stickToMax, overscroll = pick(baseXAxis.options.overscroll, 0), navigatorSeries = navigator.series && navigator.series[0], hasSetExtremes = !!baseXAxis.setExtremes, 
        // When the extremes have been set by range selector button, don't
        // stick to min or max. The range selector buttons will handle the
        // extremes. (#5489)
        unmutable = baseXAxis.eventArgs &&
            baseXAxis.eventArgs.trigger === 'rangeSelectorButton';
        let newMax, newMin;
        if (!unmutable) {
            // If the zoomed range is already at the min, move it to the right
            // as new data comes in
            if (stickToMin) {
                newMin = baseDataMin;
                newMax = newMin + range;
            }
            // If the zoomed range is already at the max, move it to the right
            // as new data comes in
            if (stickToMax) {
                newMax = baseDataMax + overscroll;
                // If stickToMin is true, the new min value is set above
                if (!stickToMin) {
                    newMin = Math.max(baseDataMin, // don't go below data extremes (#13184)
                    newMax - range, navigator.getBaseSeriesMin(navigatorSeries && navigatorSeries.xData ?
                        navigatorSeries.xData[0] :
                        -Number.MAX_VALUE));
                }
            }
            // Update the extremes
            if (hasSetExtremes && (stickToMin || stickToMax)) {
                if (isNumber(newMin)) {
                    baseXAxis.min = baseXAxis.userMin = newMin;
                    baseXAxis.max = baseXAxis.userMax = newMax;
                }
            }
        }
        // Reset
        navigator.stickToMin =
            navigator.stickToMax = null;
    }
    /**
     * Handler for updated data on the base series. When data is modified, the
     * navigator series must reflect it. This is called from the Chart.redraw
     * function before axis and series extremes are computed.
     *
     * @private
     * @function Highcharts.Navigator#updateDataHandler
     */
    updatedDataHandler() {
        const navigator = this.chart.navigator, baseSeries = this, navigatorSeries = this.navigatorSeries, shouldStickToMax = navigator.reversedExtremes ?
            Math.round(navigator.zoomedMin) === 0 :
            Math.round(navigator.zoomedMax) >= Math.round(navigator.size);
        // If the scrollbar is scrolled all the way to the right, keep right as
        // new data comes in, unless user set navigator.stickToMax to false.
        navigator.stickToMax = pick(this.chart.options.navigator &&
            this.chart.options.navigator.stickToMax, shouldStickToMax);
        navigator.stickToMin = navigator.shouldStickToMin(baseSeries, navigator);
        // Set the navigator series data to the new data of the base series
        if (navigatorSeries && !navigator.hasNavigatorData) {
            navigatorSeries.options.pointStart = baseSeries.xData[0];
            navigatorSeries.setData(baseSeries.options.data, false, null, false); // #5414
        }
    }
    /**
     * Detect if the zoomed area should stick to the minimum, #14742.
     *
     * @private
     * @function Highcharts.Navigator#shouldStickToMin
     */
    shouldStickToMin(baseSeries, navigator) {
        const xDataMin = navigator.getBaseSeriesMin(baseSeries.xData[0]), xAxis = baseSeries.xAxis, max = xAxis.max, min = xAxis.min, range = xAxis.options.range;
        let stickToMin = true;
        if (isNumber(max) && isNumber(min)) {
            // If range declared, stick to the minimum only if the range
            // is smaller than the data set range.
            if (range && max - xDataMin > 0) {
                stickToMin = max - xDataMin < range;
            }
            else {
                // If the current axis minimum falls outside the new
                // updated dataset, we must adjust.
                stickToMin = min <= xDataMin;
            }
        }
        else {
            stickToMin = false; // #15864
        }
        return stickToMin;
    }
    /**
     * Add chart events, like redrawing navigator, when chart requires that.
     *
     * @private
     * @function Highcharts.Navigator#addChartEvents
     */
    addChartEvents() {
        if (!this.eventsToUnbind) {
            this.eventsToUnbind = [];
        }
        this.eventsToUnbind.push(
        // Move the scrollbar after redraw, like after data updata even if
        // axes don't redraw
        addEvent(this.chart, 'redraw', function () {
            const navigator = this.navigator, xAxis = navigator && (navigator.baseSeries &&
                navigator.baseSeries[0] &&
                navigator.baseSeries[0].xAxis ||
                this.xAxis[0]); // #5709, #13114
            if (xAxis) {
                navigator.render(xAxis.min, xAxis.max);
            }
        }), 
        // Make room for the navigator, can be placed around the chart:
        addEvent(this.chart, 'getMargins', function () {
            let chart = this, navigator = chart.navigator, marginName = navigator.opposite ?
                'plotTop' : 'marginBottom';
            if (chart.inverted) {
                marginName = navigator.opposite ?
                    'marginRight' : 'plotLeft';
            }
            chart[marginName] =
                (chart[marginName] || 0) + (navigator.navigatorEnabled || !chart.inverted ?
                    navigator.height + navigator.scrollbarHeight :
                    0) + navigator.navigatorOptions.margin;
        }));
    }
    /**
     * Destroys allocated elements.
     *
     * @private
     * @function Highcharts.Navigator#destroy
     */
    destroy() {
        // Disconnect events added in addEvents
        this.removeEvents();
        if (this.xAxis) {
            erase(this.chart.xAxis, this.xAxis);
            erase(this.chart.axes, this.xAxis);
        }
        if (this.yAxis) {
            erase(this.chart.yAxis, this.yAxis);
            erase(this.chart.axes, this.yAxis);
        }
        // Destroy series
        (this.series || []).forEach((s) => {
            if (s.destroy) {
                s.destroy();
            }
        });
        // Destroy properties
        [
            'series', 'xAxis', 'yAxis', 'shades', 'outline', 'scrollbarTrack',
            'scrollbarRifles', 'scrollbarGroup', 'scrollbar', 'navigatorGroup',
            'rendered'
        ].forEach((prop) => {
            if (this[prop] && this[prop].destroy) {
                this[prop].destroy();
            }
            this[prop] = null;
        });
        // Destroy elements in collection
        [this.handles].forEach((coll) => {
            destroyObjectProperties(coll);
        });
    }
}
/* *
 *
 *  Default Export
 *
 * */
export default Navigator;
