'use strict';

/**
 * Licensed Materials - Property of IBM
 * IBM Cognos Products: Storytelling
 * (C) Copyright IBM Corp. 2014, 2018
 * US Government Users Restricted Rights - Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
 */

define(['baglass/core-client/js/core-client/ui/core/View'], function (View) {

	var AutoHidingControl = View.extend({

		autohide: null,

		init: function init(options) {
			AutoHidingControl.inherited('init', this, arguments);

			options = options || {};
			this.autohide = options.autohide || 6000;
			this.startHidden = options.startHidden || false;
			this.hidden = true;
		},

		render: function render() {
			var _this = this;

			return this._renderContent().then(function () {
				_this.$el.on('mouseenter', _this._cancelAutoHide.bind(_this));
				_this.$el.on('mouseleave', _this._setAutoHide.bind(_this));
				_this.hidden = false;

				if (_this.startHidden) {
					_this.hide({ duration: 0 });
				} else {
					_this.show({ duration: 0 });
				}
			});
		},

		destroy: function destroy() {
			var _this2 = this;

			this._cancelAutoHide();
			return this.hide().then(function () {
				_this2.remove();
			});
		},

		toggle: function toggle() {
			if (this.hidden) {
				this.show();
			} else {
				this.hide();
			}
		},

		_cancelAutoHide: function _cancelAutoHide() {
			if (this.timeout) {
				clearTimeout(this.timeout);
			}
			this.timeout = null;
		},

		_setAutoHide: function _setAutoHide() {
			this.timeout = setTimeout(this.hide.bind(this), this.autohide);
		},

		show: function show() {
			var _this3 = this;

			var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};

			return Promise.delay(options.delay || 0).then(function () {
				return _this3._show(options).then(function () {
					_this3.$el.attr('aria-hidden', 'false');
					_this3.hidden = false;
					_this3._cancelAutoHide();
					_this3._setAutoHide();
				});
			});
		},

		hide: function hide() {
			var _this4 = this;

			var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};

			if (this.hidden) {
				return Promise.resolve();
			}

			return this._hide(options).then(function () {
				_this4.$el.attr('aria-hidden', 'true');
				_this4.hidden = true;
			});
		},

		// Override these!

		_renderContent: function _renderContent() {
			return Promise.resolve();
		},

		// _show is expected to return a promise that resolves when it is done showing.
		_show: function _show() {
			return Promise.resolve();
		},

		// _hide is expected to return a promise that resolves when it is done hiding.
		_hide: function _hide() {
			return Promise.resolve();
		}
	});

	return AutoHidingControl;
});
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