YUI.add('aui-scroller-deprecated', function (A, NAME) {

var L = A.Lang,
    isNumber = L.isNumber,
    isString = L.isString,

    BOUNDING_BOX = 'boundingBox',
    CLIENT_WIDTH = 'clientWidth',
    CONTENT_BOX = 'contentBox',
    DURATION = 'duration',
    EDGE_PROXIMITY = 'edgeProximity',

    HEIGHT = 'Height',
    LEFT = 'Left',
    OFFSET = 'offset',
    SCROLL = 'scroll',
    TOP = 'Top',
    WIDTH = 'Width',

    HORIZONTAL = 'horizontal',
    OFFSET_HEIGHT = OFFSET + HEIGHT,
    OFFSET_LEFT = OFFSET + LEFT,
    OFFSET_TOP = OFFSET + TOP,
    OFFSET_WIDTH = OFFSET + WIDTH,
    ORIENTATION = 'orientation',
    PX = 'px',
    SCROLL_HEIGHT = SCROLL + HEIGHT,
    SCROLLER = 'scroller',
    SCROLLCONTENT = 'scrollcontent',
    UNDERLINE = '_',
    VERTICAL = 'vertical',

    getCN = A.getClassName,

    CSS_HORIZONTAL = getCN(SCROLLER, HORIZONTAL),
    CSS_ITEM = getCN(SCROLLER, 'item'),
    CSS_VERTICAL = getCN(SCROLLER, VERTICAL);

var Scroller = A.Component.create({
    NAME: SCROLLER,

    ATTRS: {
        duration: {
            setter: function(value) {
                return value * 1000;
            },
            validator: isNumber,
            value: 0.1
        },

        edgeProximity: {
            value: 0.1
        },

        itemSelector: {
            value: '>*'
        },

        orientation: {
            validator: function(val) {
                return isString(val) && (val === HORIZONTAL || val === VERTICAL);
            },
            value: HORIZONTAL
        }
    },

    UI_ATTRS: [ORIENTATION],

    prototype: {
        nodeSelection: null,

        initializer: function() {
            var instance = this;

            var boundingBox = instance.get(BOUNDING_BOX);
            var contentBox = instance.get(CONTENT_BOX);

            instance._boundingBox = boundingBox;
            instance._contentBox = contentBox;

            instance._duration = instance.get(DURATION);
            instance._edgeProximity = instance.get(EDGE_PROXIMITY);
            instance._orientation = instance.get(ORIENTATION);

            instance.boundingBoxXY = instance._boundingBox.getXY();

            instance._boundingBoxEl = boundingBox.getDOM();
            instance._contentBoxEl = contentBox.getDOM();

            instance._setCoords(instance._orientation == HORIZONTAL);

            instance._updateNodeSelection();
        },

        bindUI: function() {
            var instance = this;

            instance.publish(
                SCROLLCONTENT, {
                    defaultFn: instance._defaultScrollFn
                }
            );

            var contentBox = instance._contentBox;

            instance.after(['durationChange', 'edgeProximityChange'], instance._setPrivateAttr);

            contentBox.on('mouseenter', A.rbind(instance._updateDimensions, instance));

            contentBox.on('mousemove', A.rbind(instance._onMouseMove, instance, instance._boundingBox, instance._contentBox,
                instance._orientation));

            instance._boundingBox.on('focus', instance._onItemFocus, instance);

            instance._createAnimation();
        },

        _adjustToEdge: function(value) {
            var instance = this;

            var edgeProximity = instance._edgeProximity;

            var adjusted = value;

            if (edgeProximity) {
                value = Math.max(value, edgeProximity);
                value = Math.min(value, 1 - edgeProximity);

                value = value - edgeProximity;

                adjusted = value / (1 - (edgeProximity * 2));
            }

            return adjusted;
        },

        _animate: function(event) {
            var instance = this;

            var fx = instance._fx;

            var boundingBoxEl = instance._boundingBoxEl;
            var orientation = instance._orientation;

            var scroll = SCROLL + instance._coordTL;
            var coordXY = instance._coordXY.toLowerCase();

            var from = boundingBoxEl[scroll] || 0;
            var to = event[coordXY];

            fx.from = from;
            fx.to = to;

            fx.start();
        },

        _constrain: function(value, min, max) {
            var instance = this;

            return Math.max(Math.min(value, max), min);
        },

        _createAnimation: function() {
            var instance = this;

            var boundingBoxEl = instance._boundingBoxEl;

            var from = boundingBoxEl[SCROLL + instance._coordTL] || 0;
            var to = from;

            instance._fx = new A.SimpleAnim({
                duration: instance._duration,
                from: from,
                intervalRate: 1,
                to: to,
                onTween: function(value) {
                    boundingBoxEl[SCROLL + instance._coordTL] = value;
                }
            });

            instance._throttleAnimate = instance._animate;
        },

        _defaultScrollFn: function(event) {
            var instance = this;

            instance._throttleAnimate(event);
        },

        _getPositionData: function(absoluteX, absoluteY) {
            var instance = this;

            var boundingBoxXY = instance.boundingBoxXY;

            var relativeMouseX = absoluteX - boundingBoxXY[0];
            var relativeMouseY = absoluteY - boundingBoxXY[1];

            var scaledX = relativeMouseX * instance.ratioX;
            var scaledY = relativeMouseY * instance.ratioY;

            var relativeX = instance._constrain(relativeMouseX / instance.boundingBoxWidth, 0, 1);
            var relativeY = instance._constrain(relativeMouseY / instance.boundingBoxHeight, 0, 1);

            relativeX = instance._adjustToEdge(relativeX);
            relativeY = instance._adjustToEdge(relativeY);

            var adjustedX = (instance.deltaX * relativeX);
            var adjustedY = (instance.deltaY * relativeY);

            return {
                x: adjustedX,
                y: adjustedY,
                scaledX: scaledX,
                scaledY: scaledY,
                relativeX: relativeMouseX,
                relativeY: relativeMouseY
            };
        },

        _onItemFocus: function(event) {
            var instance = this;

            instance._updateDimensions();

            var xy = event.target.getXY();

            var data = instance._getPositionData.apply(instance, xy);

            instance.fire(SCROLLCONTENT, data);

            instance._updatePrevXY(data.relativeX, data.relativeY);
        },

        _onMouseMove: function(event, boundingBox, contentBox, orientation) {
            var instance = this;

            var data = instance._getPositionData(event.pageX, event.pageY);

            instance.fire(SCROLLCONTENT, data);

            instance._updatePrevXY(data.relativeX, data.relativeY);
        },

        _setCoords: function(horizontal) {
            var instance = this;

            var coordTL = TOP;
            var coordXY = 'Y';

            if (horizontal) {
                coordTL = LEFT;
                coordXY = 'X';
            }

            instance._coordTL = coordTL;
            instance._coordXY = coordXY;
        },

        _setPrivateAttr: function(event) {
            var instance = this;

            instance[UNDERLINE + event.attrName] = event.newVal;
        },

        _updateDimensions: function(event) {
            var instance = this;

            var boundingBox = instance._boundingBox;
            var contentBox = instance._contentBox;

            var boundingBoxOffsetHeight = boundingBox.get(OFFSET_HEIGHT);
            var boundingBoxOffsetWidth = boundingBox.get(OFFSET_WIDTH);

            var contentBoxClientWidth = contentBox.get(CLIENT_WIDTH);
            var contentBoxScrollHeight = contentBox.get(SCROLL_HEIGHT);

            var deltaX = contentBoxClientWidth - boundingBoxOffsetWidth;
            var deltaY = contentBoxScrollHeight - boundingBoxOffsetHeight;

            instance.boundingBoxXY = boundingBox.getXY();

            instance.ratioX = deltaX / boundingBoxOffsetWidth;
            instance.ratioY = deltaY / boundingBoxOffsetHeight;

            instance.deltaX = deltaX;
            instance.deltaY = deltaY;

            instance.boundingBoxHeight = boundingBoxOffsetHeight;
            instance.boundingBoxWidth = boundingBoxOffsetWidth;

            instance.contentBoxHeight = contentBoxScrollHeight;
            instance.contentBoxWidth = contentBoxClientWidth;
        },

        _updatePrevXY: function(x, y) {
            var instance = this;

            instance._prevX = x;
            instance._prevY = y;
        },

        _uiSetOrientation: function(val) {
            var instance = this;

            var boundingBox = instance._boundingBox;

            var horizontal = (val === HORIZONTAL);

            boundingBox.toggleClass(CSS_HORIZONTAL, horizontal);
            boundingBox.toggleClass(CSS_VERTICAL, !horizontal);

            instance._setCoords(horizontal);

            instance._orientation = val;
        },

        _updateNodeSelection: function() {
            var instance = this;

            var itemSelector = instance.get('itemSelector');

            instance.nodeSelection = instance._contentBox.all(itemSelector).addClass(CSS_ITEM);
        },

        _prevX: 0,
        _prevY: 0
    }
});

A.Scroller = Scroller;


}, '3.1.0-deprecated.126', {
    "requires": [
        "event-mouseenter",
        "aui-base-deprecated",
        "aui-simple-anim-deprecated"
    ],
    "skinnable": true
});
