/*!
 * better-scroll / movable
 * (c) 2016-2021 ustbhuangyi
 * Released under the MIT License.
 */
// ssr support
var inBrowser = typeof window !== 'undefined';
var ua = inBrowser && navigator.userAgent.toLowerCase();
!!(ua && /wechatdevtools/.test(ua));
ua && ua.indexOf('android') > 0;
/* istanbul ignore next */
((function () {
    if (typeof ua === 'string') {
        var regex = /os (\d\d?_\d(_\d)?)/;
        var matches = regex.exec(ua);
        if (!matches)
            return false;
        var parts = matches[1].split('_').map(function (item) {
            return parseInt(item, 10);
        });
        // ios version >= 13.4 issue 982
        return !!(parts[0] === 13 && parts[1] >= 4);
    }
    return false;
}))();
/* istanbul ignore next */
var supportsPassive = false;
/* istanbul ignore next */
if (inBrowser) {
    var EventName = 'test-passive';
    try {
        var opts = {};
        Object.defineProperty(opts, 'passive', {
            get: function () {
                supportsPassive = true;
            },
        }); // https://github.com/facebook/flow/issues/285
        window.addEventListener(EventName, function () { }, opts);
    }
    catch (e) { }
}

var elementStyle = (inBrowser &&
    document.createElement('div').style);
var vendor = (function () {
    /* istanbul ignore if  */
    if (!inBrowser) {
        return false;
    }
    var transformNames = [
        {
            key: 'standard',
            value: 'transform',
        },
        {
            key: 'webkit',
            value: 'webkitTransform',
        },
        {
            key: 'Moz',
            value: 'MozTransform',
        },
        {
            key: 'O',
            value: 'OTransform',
        },
        {
            key: 'ms',
            value: 'msTransform',
        },
    ];
    for (var _i = 0, transformNames_1 = transformNames; _i < transformNames_1.length; _i++) {
        var obj = transformNames_1[_i];
        if (elementStyle[obj.value] !== undefined) {
            return obj.key;
        }
    }
    /* istanbul ignore next  */
    return false;
})();
/* istanbul ignore next  */
function prefixStyle(style) {
    if (vendor === false) {
        return style;
    }
    if (vendor === 'standard') {
        if (style === 'transitionEnd') {
            return 'transitionend';
        }
        return style;
    }
    return vendor + style.charAt(0).toUpperCase() + style.substr(1);
}
vendor && vendor !== 'standard' ? '-' + vendor.toLowerCase() + '-' : '';
var transform = prefixStyle('transform');
var transition = prefixStyle('transition');
inBrowser && prefixStyle('perspective') in elementStyle;
({
    transform: transform,
    transition: transition,
    transitionTimingFunction: prefixStyle('transitionTimingFunction'),
    transitionDuration: prefixStyle('transitionDuration'),
    transitionDelay: prefixStyle('transitionDelay'),
    transformOrigin: prefixStyle('transformOrigin'),
    transitionEnd: prefixStyle('transitionEnd'),
    transitionProperty: prefixStyle('transitionProperty'),
});

var ease = {
    // easeOutQuint
    swipe: {
        style: 'cubic-bezier(0.23, 1, 0.32, 1)',
        fn: function (t) {
            return 1 + --t * t * t * t * t;
        }
    },
    // easeOutQuard
    swipeBounce: {
        style: 'cubic-bezier(0.25, 0.46, 0.45, 0.94)',
        fn: function (t) {
            return t * (2 - t);
        }
    },
    // easeOutQuart
    bounce: {
        style: 'cubic-bezier(0.165, 0.84, 0.44, 1)',
        fn: function (t) {
            return 1 - --t * t * t * t;
        }
    }
};

var sourcePrefix = 'plugins.movable';
var propertiesMap = [
    {
        key: 'putAt',
        name: 'putAt',
    },
];
var propertiesConfig = propertiesMap.map(function (item) {
    return {
        key: item.key,
        sourceKey: sourcePrefix + "." + item.name,
    };
});

var Movable = /** @class */ (function () {
    function Movable(scroll) {
        this.scroll = scroll;
        this.handleBScroll();
        this.handleHooks();
    }
    Movable.prototype.handleBScroll = function () {
        this.scroll.proxy(propertiesConfig);
    };
    Movable.prototype.handleHooks = function () {
        var _this = this;
        this.hooksFn = [];
        var _a = this.scroll.scroller, scrollBehaviorX = _a.scrollBehaviorX, scrollBehaviorY = _a.scrollBehaviorY;
        var computeBoundary = function (boundary, behavior) {
            if (boundary.maxScrollPos > 0) {
                // content is smaller than wrapper
                boundary.minScrollPos = behavior.wrapperSize - behavior.contentSize;
                boundary.maxScrollPos = 0;
            }
        };
        this.registerHooks(scrollBehaviorX.hooks, scrollBehaviorX.hooks.eventTypes.ignoreHasScroll, function () { return true; });
        this.registerHooks(scrollBehaviorX.hooks, scrollBehaviorX.hooks.eventTypes.computeBoundary, function (boundary) {
            computeBoundary(boundary, scrollBehaviorX);
        });
        this.registerHooks(scrollBehaviorY.hooks, scrollBehaviorY.hooks.eventTypes.ignoreHasScroll, function () { return true; });
        this.registerHooks(scrollBehaviorY.hooks, scrollBehaviorY.hooks.eventTypes.computeBoundary, function (boundary) {
            computeBoundary(boundary, scrollBehaviorY);
        });
        this.registerHooks(this.scroll.hooks, this.scroll.hooks.eventTypes.destroy, function () {
            _this.destroy();
        });
    };
    Movable.prototype.putAt = function (x, y, time, easing) {
        if (time === void 0) { time = this.scroll.options.bounceTime; }
        if (easing === void 0) { easing = ease.bounce; }
        var position = this.resolvePostion(x, y);
        this.scroll.scrollTo(position.x, position.y, time, easing);
    };
    Movable.prototype.resolvePostion = function (x, y) {
        var _a = this.scroll.scroller, scrollBehaviorX = _a.scrollBehaviorX, scrollBehaviorY = _a.scrollBehaviorY;
        var resolveFormula = {
            left: function () {
                return 0;
            },
            top: function () {
                return 0;
            },
            right: function () {
                return scrollBehaviorX.minScrollPos;
            },
            bottom: function () {
                return scrollBehaviorY.minScrollPos;
            },
            center: function (index) {
                var baseSize = index === 0
                    ? scrollBehaviorX.minScrollPos
                    : scrollBehaviorY.minScrollPos;
                return baseSize / 2;
            },
        };
        return {
            x: typeof x === 'number' ? x : resolveFormula[x](0),
            y: typeof y === 'number' ? y : resolveFormula[y](1),
        };
    };
    Movable.prototype.destroy = function () {
        this.hooksFn.forEach(function (item) {
            var hooks = item[0];
            var hooksName = item[1];
            var handlerFn = item[2];
            hooks.off(hooksName, handlerFn);
        });
        this.hooksFn.length = 0;
    };
    Movable.prototype.registerHooks = function (hooks, name, handler) {
        hooks.on(name, handler, this);
        this.hooksFn.push([hooks, name, handler]);
    };
    Movable.pluginName = 'movable';
    Movable.applyOrder = "pre" /* Pre */;
    return Movable;
}());

export default Movable;