{"version":3,"file":"../jquery.ui.touch-punch.min.js","sources":["src/js/jquery.ui.touch-punch.min.js"],"sourcesContent":["/*!\r\n * jQuery UI Touch Punch 0.2.3\r\n *\r\n * Copyright 2011–2014, Dave Furfero\r\n * Dual licensed under the MIT or GPL Version 2 licenses.\r\n *\r\n * Depends:\r\n *  jquery.ui.widget.js\r\n *  jquery.ui.mouse.js\r\n */\r\n(function ($) {\r\n\r\n  // Detect touch support\r\n  $.support.touch = 'ontouchend' in document;\r\n\r\n  // Ignore browsers without touch support\r\n  if (!$.support.touch) {\r\n    return;\r\n  }\r\n\r\n  var mouseProto = $.ui.mouse.prototype,\r\n      _mouseInit = mouseProto._mouseInit,\r\n      _mouseDestroy = mouseProto._mouseDestroy,\r\n      touchHandled;\r\n\r\n  /**\r\n   * Simulate a mouse event based on a corresponding touch event\r\n   * @param {Object} event A touch event\r\n   * @param {String} simulatedType The corresponding mouse event\r\n   */\r\n  function simulateMouseEvent (event, simulatedType) {\r\n\r\n    // Ignore multi-touch events\r\n    if (event.originalEvent.touches.length > 1) {\r\n      return;\r\n    }\r\n\r\n    if(event.cancelable) {\r\n        event.preventDefault();\r\n    }\r\n\r\n    var touch = event.originalEvent.changedTouches[0],\r\n        simulatedEvent = document.createEvent('MouseEvents');\r\n    \r\n    // Initialize the simulated mouse event using the touch event's coordinates\r\n    simulatedEvent.initMouseEvent(\r\n      simulatedType,    // type\r\n      true,             // bubbles                    \r\n      true,             // cancelable                 \r\n      window,           // view                       \r\n      1,                // detail                     \r\n      touch.screenX,    // screenX                    \r\n      touch.screenY,    // screenY                    \r\n      touch.clientX,    // clientX                    \r\n      touch.clientY,    // clientY                    \r\n      false,            // ctrlKey                    \r\n      false,            // altKey                     \r\n      false,            // shiftKey                   \r\n      false,            // metaKey                    \r\n      0,                // button                     \r\n      null              // relatedTarget              \r\n    );\r\n\r\n    // Dispatch the simulated event to the target element\r\n    event.target.dispatchEvent(simulatedEvent);\r\n  }\r\n\r\n  /**\r\n   * Handle the jQuery UI widget's touchstart events\r\n   * @param {Object} event The widget element's touchstart event\r\n   */\r\n  mouseProto._touchStart = function (event) {\r\n\r\n    var self = this;\r\n\r\n    // Ignore the event if another widget is already being handled\r\n    if (touchHandled || !self._mouseCapture(event.originalEvent.changedTouches[0])) {\r\n      return;\r\n    }\r\n\r\n    // Set the flag to prevent other widgets from inheriting the touch event\r\n    touchHandled = true;\r\n\r\n    // Track movement to determine if interaction was a click\r\n    self._touchMoved = false;\r\n\r\n    // Simulate the mouseover event\r\n    simulateMouseEvent(event, 'mouseover');\r\n\r\n    // Simulate the mousemove event\r\n    simulateMouseEvent(event, 'mousemove');\r\n\r\n    // Simulate the mousedown event\r\n    simulateMouseEvent(event, 'mousedown');\r\n  };\r\n\r\n  /**\r\n   * Handle the jQuery UI widget's touchmove events\r\n   * @param {Object} event The document's touchmove event\r\n   */\r\n  mouseProto._touchMove = function (event) {\r\n\r\n    // Ignore event if not handled\r\n    if (!touchHandled) {\r\n      return;\r\n    }\r\n\r\n    // Interaction was not a click\r\n    this._touchMoved = true;\r\n\r\n    // Simulate the mousemove event\r\n    simulateMouseEvent(event, 'mousemove');\r\n  };\r\n\r\n  /**\r\n   * Handle the jQuery UI widget's touchend events\r\n   * @param {Object} event The document's touchend event\r\n   */\r\n  mouseProto._touchEnd = function (event) {\r\n\r\n    // Ignore event if not handled\r\n    if (!touchHandled) {\r\n      return;\r\n    }\r\n\r\n    // Simulate the mouseup event\r\n    simulateMouseEvent(event, 'mouseup');\r\n\r\n    // Simulate the mouseout event\r\n    simulateMouseEvent(event, 'mouseout');\r\n\r\n    // If the touch interaction did not move, it should trigger a click\r\n    if (!this._touchMoved) {\r\n\r\n      // Simulate the click event\r\n      simulateMouseEvent(event, 'click');\r\n    }\r\n\r\n    // Unset the flag to allow other widgets to inherit the touch event\r\n    touchHandled = false;\r\n  };\r\n\r\n  /**\r\n   * A duck punch of the $.ui.mouse _mouseInit method to support touch events.\r\n   * This method extends the widget with bound touch event handlers that\r\n   * translate touch events to mouse events and pass them to the widget's\r\n   * original mouse event handling methods.\r\n   */\r\n  mouseProto._mouseInit = function () {\r\n    \r\n    var self = this;\r\n\r\n    // Delegate the touch handlers to the widget's element\r\n    self.element.bind({\r\n      touchstart: $.proxy(self, '_touchStart'),\r\n      touchmove: $.proxy(self, '_touchMove'),\r\n      touchend: $.proxy(self, '_touchEnd')\r\n    });\r\n\r\n    // Call the original $.ui.mouse init method\r\n    _mouseInit.call(self);\r\n  };\r\n\r\n  /**\r\n   * Remove the touch event handlers\r\n   */\r\n  mouseProto._mouseDestroy = function () {\r\n    \r\n    var self = this;\r\n\r\n    // Delegate the touch handlers to the widget's element\r\n    self.element.unbind({\r\n      touchstart: $.proxy(self, '_touchStart'),\r\n      touchmove: $.proxy(self, '_touchMove'),\r\n      touchend: $.proxy(self, '_touchEnd')\r\n    });\r\n\r\n    // Call the original $.ui.mouse destroy method\r\n    _mouseDestroy.call(self);\r\n  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