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 /*!

 * jQuery Simulate v0.0.1 - simulate browser mouse and keyboard events

 * https://github.com/jquery/jquery-simulate

 *

 * Copyright 2012 jQuery Foundation and other contributors

 * Released under the MIT license.

 * http://jquery.org/license

 *

 * Date: Thu May 29 21:31:24 2014 +0200

 */

;(function( $, undefined ) {

var rkeyEvent = /^key/,

	rmouseEvent = /^(?:mouse|contextmenu)|click/;

$.fn.simulate = function( type, options ) {

	return this.each(function() {

		new $.simulate( this, type, options );

	});

};

$.simulate = function( elem, type, options ) {

	var method = $.camelCase( "simulate-" + type );

	this.target = elem;

	this.options = options;

	if ( this[ method ] ) {

		this[ method ]();

	} else {

		this.simulateEvent( elem, type, options );

	}

};

$.extend( $.simulate, {

	keyCode: {

		BACKSPACE: 8,

		COMMA: 188,

		DELETE: 46,

		DOWN: 40,

		END: 35,

		ENTER: 13,

		ESCAPE: 27,

		HOME: 36,

		LEFT: 37,

		NUMPAD_ADD: 107,

		NUMPAD_DECIMAL: 110,

		NUMPAD_DIVIDE: 111,

		NUMPAD_ENTER: 108,

		NUMPAD_MULTIPLY: 106,

		NUMPAD_SUBTRACT: 109,

		PAGE_DOWN: 34,

		PAGE_UP: 33,

		PERIOD: 190,

		RIGHT: 39,

		SPACE: 32,

		TAB: 9,

		UP: 38

	},

	buttonCode: {

		LEFT: 0,

		MIDDLE: 1,

		RIGHT: 2

	}

});

$.extend( $.simulate.prototype, {

	simulateEvent: function( elem, type, options ) {

		var event = this.createEvent( type, options );

		this.dispatchEvent( elem, type, event, options );

	},

	createEvent: function( type, options ) {

		if ( rkeyEvent.test( type ) ) {

			return this.keyEvent( type, options );

		}

		if ( rmouseEvent.test( type ) ) {

			return this.mouseEvent( type, options );

		}

	},

	mouseEvent: function( type, options ) {

		var event, eventDoc, doc, body;

		options = $.extend({

			bubbles: true,

			cancelable: (type !== "mousemove"),

			view: window,

			detail: 0,

			screenX: 0,

			screenY: 0,

			clientX: 1,

			clientY: 1,

			ctrlKey: false,

			altKey: false,

			shiftKey: false,

			metaKey: false,

			button: 0,

			relatedTarget: undefined

		}, options );

		if ( document.createEvent ) {

			event = document.createEvent( "MouseEvents" );

			event.initMouseEvent( type, options.bubbles, options.cancelable,

				options.view, options.detail,

				options.screenX, options.screenY, options.clientX, options.clientY,

				options.ctrlKey, options.altKey, options.shiftKey, options.metaKey,

				options.button, options.relatedTarget || document.body.parentNode );

			// IE 9+ creates events with pageX and pageY set to 0.

			// Trying to modify the properties throws an error,

			// so we define getters to return the correct values.

			if ( event.pageX === 0 && event.pageY === 0 && Object.defineProperty ) {

				eventDoc = event.relatedTarget.ownerDocument || document;

				doc = eventDoc.documentElement;

				body = eventDoc.body;

				Object.defineProperty( event, "pageX", {

					get: function() {

						return options.clientX +

							( doc && doc.scrollLeft || body && body.scrollLeft || 0 ) -

							( doc && doc.clientLeft || body && body.clientLeft || 0 );

					}

				});

				Object.defineProperty( event, "pageY", {

					get: function() {

						return options.clientY +

							( doc && doc.scrollTop || body && body.scrollTop || 0 ) -

							( doc && doc.clientTop || body && body.clientTop || 0 );

					}

				});

			}

		} else if ( document.createEventObject ) {

			event = document.createEventObject();

			$.extend( event, options );

			// standards event.button uses constants defined here: http://msdn.microsoft.com/en-us/library/ie/ff974877(v=vs.85).aspx

			// old IE event.button uses constants defined here: http://msdn.microsoft.com/en-us/library/ie/ms533544(v=vs.85).aspx

			// so we actually need to map the standard back to oldIE

			event.button = {

				0: 1,

				1: 4,

				2: 2

			}[ event.button ] || event.button;

		}

		return event;

	},

	keyEvent: function( type, options ) {

		var event;

		options = $.extend({

			bubbles: true,

			cancelable: true,

			view: window,

			ctrlKey: false,

			altKey: false,

			shiftKey: false,

			metaKey: false,

			keyCode: 0,

			charCode: undefined

		}, options );

		if ( document.createEvent ) {

			try {

				event = document.createEvent( "KeyEvents" );

				event.initKeyEvent( type, options.bubbles, options.cancelable, options.view,

					options.ctrlKey, options.altKey, options.shiftKey, options.metaKey,

					options.keyCode, options.charCode );

			// initKeyEvent throws an exception in WebKit

			// see: http://stackoverflow.com/questions/6406784/initkeyevent-keypress-only-works-in-firefox-need-a-cross-browser-solution

			// and also https://bugs.webkit.org/show_bug.cgi?id=13368

			// fall back to a generic event until we decide to implement initKeyboardEvent

			} catch( err ) {

				event = document.createEvent( "Events" );

				event.initEvent( type, options.bubbles, options.cancelable );

				$.extend( event, {

					view: options.view,

					ctrlKey: options.ctrlKey,

					altKey: options.altKey,

					shiftKey: options.shiftKey,

					metaKey: options.metaKey,

					keyCode: options.keyCode,

					charCode: options.charCode

				});

			}

		} else if ( document.createEventObject ) {

			event = document.createEventObject();

			$.extend( event, options );

		}

		if ( !!/msie [\w.]+/.exec( navigator.userAgent.toLowerCase() ) || (({}).toString.call( window.opera ) === "[object Opera]") ) {

			event.keyCode = (options.charCode > 0) ? options.charCode : options.keyCode;

			event.charCode = undefined;

		}

		return event;

	},

	dispatchEvent: function( elem, type, event ) {

		if ( elem[ type ] ) {

			elem[ type ]();

		} else if ( elem.dispatchEvent ) {

			elem.dispatchEvent( event );

		} else if ( elem.fireEvent ) {

			elem.fireEvent( "on" + type, event );

		}

	},

	simulateFocus: function() {

		var focusinEvent,

			triggered = false,

			element = $( this.target );

		function trigger() {

			triggered = true;

		}

		element.bind( "focus", trigger );

		element[ 0 ].focus();

		if ( !triggered ) {

			focusinEvent = $.Event( "focusin" );

			focusinEvent.preventDefault();

			element.trigger( focusinEvent );

			element.triggerHandler( "focus" );

		}

		element.unbind( "focus", trigger );

	},

	simulateBlur: function() {

		var focusoutEvent,

			triggered = false,

			element = $( this.target );

		function trigger() {

			triggered = true;

		}

		element.bind( "blur", trigger );

		element[ 0 ].blur();

		// blur events are async in IE

		setTimeout(function() {

			// IE won't let the blur occur if the window is inactive

			if ( element[ 0 ].ownerDocument.activeElement === element[ 0 ] ) {

				element[ 0 ].ownerDocument.body.focus();

			}

			// Firefox won't trigger events if the window is inactive

			// IE doesn't trigger events if we had to manually focus the body

			if ( !triggered ) {

				focusoutEvent = $.Event( "focusout" );

				focusoutEvent.preventDefault();

				element.trigger( focusoutEvent );

				element.triggerHandler( "blur" );

			}

			element.unbind( "blur", trigger );

		}, 1 );

	}

});

/** complex events **/

function findCenter( elem ) {

	var offset,

		document = $( elem.ownerDocument );

	elem = $( elem );

	offset = elem.offset();

	return {

		x: offset.left + elem.outerWidth() / 2 - document.scrollLeft(),

		y: offset.top + elem.outerHeight() / 2 - document.scrollTop()

	};

}

$.extend( $.simulate.prototype, {

	simulateDrag: function() {

		var i = 0,

			target = this.target,

			options = this.options,

			center = findCenter( target ),

			x = Math.floor( center.x ),

			y = Math.floor( center.y ),

			dx = options.dx || 0,

			dy = options.dy || 0,

			moves = options.moves || 3,

			coord = { clientX: x, clientY: y };

		this.simulateEvent( target, "mousedown", coord );

		for ( ; i < moves ; i++ ) {

			x += dx / moves;

			y += dy / moves;

			coord = {

				clientX: Math.round( x ),

				clientY: Math.round( y )

			};

			this.simulateEvent( document, "mousemove", coord );

		}

		this.simulateEvent( target, "mouseup", coord );

		this.simulateEvent( target, "click", coord );

	}

});

})( jQuery );