From c9af7bb67bfefc3f37b4cdd4a066a29138f202b3 Mon Sep 17 00:00:00 2001
From: piernov <piernov@piernov.org>
Date: Thu, 13 Mar 2014 16:48:55 +0100
Subject: Importation du projet

---
 Processing-js/libs/js/Window/Event.js | 1901 +++++++++++++++++++++++++++++++++
 1 file changed, 1901 insertions(+)
 create mode 100644 Processing-js/libs/js/Window/Event.js

(limited to 'Processing-js/libs/js/Window/Event.js')

diff --git a/Processing-js/libs/js/Window/Event.js b/Processing-js/libs/js/Window/Event.js
new file mode 100644
index 0000000..db9215b
--- /dev/null
+++ b/Processing-js/libs/js/Window/Event.js
@@ -0,0 +1,1901 @@
+/*:
+	----------------------------------------------------
+	event.js : 1.1.5 : 2013/12/12 : MIT License
+	----------------------------------------------------
+	https://github.com/mudcube/Event.js
+	----------------------------------------------------
+	1  : click, dblclick, dbltap
+	1+ : tap, longpress, drag, swipe
+	2+ : pinch, rotate
+	   : mousewheel, devicemotion, shake
+	----------------------------------------------------
+	Ideas for the future
+	----------------------------------------------------
+	* GamePad, and other input abstractions.
+	* Event batching - i.e. for every x fingers down a new gesture is created.
+	----------------------------------------------------
+	http://www.w3.org/TR/2011/WD-touch-events-20110505/
+	----------------------------------------------------	
+*/
+
+if (typeof(eventjs) === "undefined") var eventjs = {};
+
+(function(root) { "use strict";
+
+// Add custom *EventListener commands to HTMLElements (set false to prevent funkiness).
+root.modifyEventListener = false;
+
+// Add bulk *EventListener commands on NodeLists from querySelectorAll and others  (set false to prevent funkiness).
+root.modifySelectors = false;
+
+// Event maintenance.
+root.add = function(target, type, listener, configure) {
+	return eventManager(target, type, listener, configure, "add");
+};
+
+root.remove = function(target, type, listener, configure) {
+	return eventManager(target, type, listener, configure, "remove");
+};
+
+root.returnFalse = function(event) {
+	return false;	
+};
+
+root.stop = function(event) {
+	if (!event) return;
+	if (event.stopPropagation) event.stopPropagation();
+	event.cancelBubble = true; // <= IE8
+	event.cancelBubbleCount = 0;
+};
+
+root.prevent = function(event) {
+	if (!event) return;
+	if (event.preventDefault) {
+		event.preventDefault();
+	} else if (event.preventManipulation) {
+		event.preventManipulation(); // MS
+	} else {
+		event.returnValue = false; // <= IE8
+	}
+};
+
+root.cancel = function(event) {
+	root.stop(event);
+	root.prevent(event);
+};
+
+root.blur = function() { // Blurs the focused element. Useful when using eventjs.cancel as canceling will prevent focused elements from being blurred.
+	var node = document.activeElement;
+	if (!node) return;
+	var nodeName = document.activeElement.nodeName;
+	if (nodeName === "INPUT" || nodeName === "TEXTAREA" || node.contentEditable === "true") {
+		if (node.blur) node.blur();
+	}
+};
+
+// Check whether event is natively supported (via @kangax)
+root.getEventSupport = function (target, type) {
+	if (typeof(target) === "string") {
+		type = target;
+		target = window;
+	}
+	type = "on" + type;
+	if (type in target) return true;
+	if (!target.setAttribute) target = document.createElement("div");
+	if (target.setAttribute && target.removeAttribute) {
+		target.setAttribute(type, "");
+		var isSupported = typeof target[type] === "function";
+		if (typeof target[type] !== "undefined") target[type] = null;
+		target.removeAttribute(type);
+		return isSupported;
+	}
+};
+
+var clone = function (obj) {
+	if (!obj || typeof (obj) !== 'object') return obj;
+	var temp = new obj.constructor();
+	for (var key in obj) {
+		if (!obj[key] || typeof (obj[key]) !== 'object') {
+			temp[key] = obj[key];
+		} else { // clone sub-object
+			temp[key] = clone(obj[key]);
+		}
+	}
+	return temp;
+};
+
+/// Handle custom *EventListener commands.
+var eventManager = function(target, type, listener, configure, trigger, fromOverwrite) {
+	configure = configure || {};
+	// Check whether target is a configuration variable;
+	if (String(target) === "[object Object]") {
+		var data = target;
+		target = data.target; delete data.target;
+		///
+		if (data.type && data.listener) {
+			type = data.type; delete data.type;
+			listener = data.listener; delete data.listener;
+			for (var key in data) {
+				configure[key] = data[key];
+			}
+		} else { // specialness
+			for (var param in data) {
+				var value = data[param];
+				if (typeof(value) === "function") continue;
+				configure[param] = value;
+			}
+			///
+			var ret = {};
+			for (var key in data) {
+				var param = key.split(",");
+				var o = data[key];
+				var conf = {};
+				for (var k in configure) { // clone base configuration
+					conf[k] = configure[k];
+				}
+				///
+				if (typeof(o) === "function") { // without configuration
+					var listener = o;
+				} else if (typeof(o.listener) === "function") { // with configuration
+					var listener = o.listener;
+					for (var k in o) { // merge configure into base configuration
+						if (typeof(o[k]) === "function") continue;
+						conf[k] = o[k];
+					}
+				} else { // not a listener
+					continue;
+				}
+				///
+				for (var n = 0; n < param.length; n ++) {
+					ret[key] = eventjs.add(target, param[n], listener, conf, trigger);
+				}
+			}
+			return ret;
+		}
+	}
+	///
+	if (!target || !type || !listener) return;
+	// Check for element to load on interval (before onload).
+	if (typeof(target) === "string" && type === "ready") {
+		if (window.eventjs_stallOnReady) { /// force stall for scripts to load
+			type = "load";
+			target = window;
+		} else { //
+			var time = (new Date()).getTime();
+			var timeout = configure.timeout;
+			var ms = configure.interval || 1000 / 60;
+			var interval = window.setInterval(function() {
+				if ((new Date()).getTime() - time > timeout) {
+					window.clearInterval(interval);
+				}
+				if (document.querySelector(target)) {
+					window.clearInterval(interval);
+					setTimeout(listener, 1);
+				}
+			}, ms);
+			return;
+		}
+	}
+	// Get DOM element from Query Selector.
+	if (typeof(target) === "string") {
+		target = document.querySelectorAll(target);
+		if (target.length === 0) return createError("Missing target on listener!", arguments); // No results.
+		if (target.length === 1) { // Single target.
+			target = target[0];
+		}
+	}
+
+	/// Handle multiple targets.
+	var event;
+	var events = {};
+	if (target.length > 0 && target !== window) { 
+		for (var n0 = 0, length0 = target.length; n0 < length0; n0 ++) {
+			event = eventManager(target[n0], type, listener, clone(configure), trigger);
+			if (event) events[n0] = event;
+		}	
+		return createBatchCommands(events);
+	}
+
+	/// Check for multiple events in one string.
+	if (typeof(type) === "string") {
+		type = type.toLowerCase();
+		if (type.indexOf(" ") !== -1) {
+			type = type.split(" ");
+		} else if (type.indexOf(",") !== -1) {
+			type = type.split(",");
+		}
+	}
+	
+	/// Attach or remove multiple events associated with a target.
+	if (typeof(type) !== "string") { // Has multiple events.
+		if (typeof(type.length) === "number") { // Handle multiple listeners glued together.
+			for (var n1 = 0, length1 = type.length; n1 < length1; n1 ++) { // Array [type]
+				event = eventManager(target, type[n1], listener, clone(configure), trigger);
+				if (event) events[type[n1]] = event;
+			}
+		} else { // Handle multiple listeners.
+			for (var key in type) { // Object {type}
+				if (typeof(type[key]) === "function") { // without configuration.
+					event = eventManager(target, key, type[key], clone(configure), trigger);
+				} else { // with configuration.
+					event = eventManager(target, key, type[key].listener, clone(type[key]), trigger);
+				}
+				if (event) events[key] = event;
+			}
+		}
+		return createBatchCommands(events);
+	} else if (type.indexOf("on") === 0) { // to support things like "onclick" instead of "click"
+		type = type.substr(2);
+	}
+
+	// Ensure listener is a function.
+	if (typeof(target) !== "object") return createError("Target is not defined!", arguments);
+	if (typeof(listener) !== "function") return createError("Listener is not a function!", arguments);
+
+	// Generate a unique wrapper identifier.
+	var useCapture = configure.useCapture || false;
+	var id = getID(target) + "." + getID(listener) + "." + (useCapture ? 1 : 0);
+	// Handle the event.
+	if (root.Gesture && root.Gesture._gestureHandlers[type]) { // Fire custom event.
+		id = type + id;
+		if (trigger === "remove") { // Remove event listener.
+			if (!wrappers[id]) return; // Already removed.
+			wrappers[id].remove();
+			delete wrappers[id];
+		} else if (trigger === "add") { // Attach event listener.
+			if (wrappers[id]) {
+				wrappers[id].add();
+				return wrappers[id]; // Already attached.
+			}
+			// Retains "this" orientation.
+			if (configure.useCall && !root.modifyEventListener) {
+				var tmp = listener;
+				listener = function(event, self) {
+					for (var key in self) event[key] = self[key];
+					return tmp.call(target, event);
+				};
+			}
+			// Create listener proxy.
+			configure.gesture = type; 
+			configure.target = target;
+			configure.listener = listener;
+			configure.fromOverwrite = fromOverwrite;
+			// Record wrapper.
+			wrappers[id] = root.proxy[type](configure); 
+		}
+		return wrappers[id];
+	} else { // Fire native event.
+		var eventList = getEventList(type);
+		for (var n = 0, eventId; n < eventList.length; n ++) {
+			type = eventList[n];
+			eventId = type + "." + id;
+			if (trigger === "remove") { // Remove event listener.
+				if (!wrappers[eventId]) continue; // Already removed.
+				target[remove](type, listener, useCapture); 
+				delete wrappers[eventId];
+			} else if (trigger === "add") { // Attach event listener.
+				if (wrappers[eventId]) return wrappers[eventId]; // Already attached.
+				target[add](type, listener, useCapture); 
+				// Record wrapper.
+				wrappers[eventId] = { 
+					id: eventId,
+					type: type,
+					target: target,
+					listener: listener,
+					remove: function() {
+						for (var n = 0; n < eventList.length; n ++) {
+							root.remove(target, eventList[n], listener, configure);
+						}
+					}
+				};
+			}
+		}
+		return wrappers[eventId];
+	}
+};
+
+/// Perform batch actions on multiple events.
+var createBatchCommands = function(events) {
+	return {
+		remove: function() { // Remove multiple events.
+			for (var key in events) {
+				events[key].remove();
+			}
+		},
+		add: function() { // Add multiple events.
+			for (var key in events) {
+				events[key].add();
+			}
+		}
+	};
+};
+
+/// Display error message in console.
+var createError = function(message, data) {
+	if (typeof(console) === "undefined") return;
+	if (typeof(console.error) === "undefined") return;
+	console.error(message, data);
+};
+
+/// Handle naming discrepancies between platforms.
+var pointerDefs = {
+	"msPointer": [ "MSPointerDown", "MSPointerMove", "MSPointerUp" ],
+	"touch": [ "touchstart", "touchmove", "touchend" ],
+	"mouse": [ "mousedown", "mousemove", "mouseup" ]
+};
+
+var pointerDetect = {
+	// MSPointer
+	"MSPointerDown": 0, 
+	"MSPointerMove": 1, 
+	"MSPointerUp": 2,
+	// Touch
+	"touchstart": 0,
+	"touchmove": 1,
+	"touchend": 2,
+	// Mouse
+	"mousedown": 0,
+	"mousemove": 1,
+	"mouseup": 2
+};
+
+var getEventSupport = (function() {
+	root.supports = {};
+	if (window.navigator.msPointerEnabled) {
+		root.supports.msPointer = true;
+	}
+	if (root.getEventSupport("touchstart")) {
+		root.supports.touch = true;
+	}
+	if (root.getEventSupport("mousedown")) {
+		root.supports.mouse = true;
+	}
+})();
+
+var getEventList = (function() {
+	return function(type) {
+		var prefix = document.addEventListener ? "" : "on"; // IE
+		var idx = pointerDetect[type];
+		if (isFinite(idx)) {
+			var types = [];
+			for (var key in root.supports) {
+				types.push(prefix + pointerDefs[key][idx]);
+			}
+			return types;
+		} else {
+			return [ prefix + type ];
+		}
+	};
+})();
+
+/// Event wrappers to keep track of all events placed in the window.
+var wrappers = {};
+var counter = 0;
+var getID = function(object) {
+	if (object === window) return "#window";
+	if (object === document) return "#document";
+	if (!object.uniqueID) object.uniqueID = "e" + counter ++;
+	return object.uniqueID;
+};
+
+/// Detect platforms native *EventListener command.
+var add = document.addEventListener ? "addEventListener" : "attachEvent";
+var remove = document.removeEventListener ? "removeEventListener" : "detachEvent";
+
+/*
+	Pointer.js
+	----------------------------------------
+	Modified from; https://github.com/borismus/pointer.js
+*/
+
+root.createPointerEvent = function (event, self, preventRecord) {
+	var eventName = self.gesture;
+	var target = self.target;
+	var pts = event.changedTouches || root.proxy.getCoords(event);
+	if (pts.length) {
+		var pt = pts[0];
+		self.pointers = preventRecord ? [] : pts;
+		self.pageX = pt.pageX;
+		self.pageY = pt.pageY;
+		self.x = self.pageX;
+		self.y = self.pageY;
+	}
+	///
+	var newEvent = document.createEvent("Event");
+	newEvent.initEvent(eventName, true, true);
+	newEvent.originalEvent = event;
+	for (var k in self) {
+		if (k === "target") continue;
+		newEvent[k] = self[k];
+	}
+	///
+	var type = newEvent.type;
+	if (root.Gesture && root.Gesture._gestureHandlers[type]) { // capture custom events.
+//		target.dispatchEvent(newEvent);
+		self.oldListener.call(target, newEvent, self, false);
+	}
+};
+
+/// Allows *EventListener to use custom event proxies.
+if (root.modifyEventListener && window.HTMLElement) (function() {
+	var augmentEventListener = function(proto) {
+		var recall = function(trigger) { // overwrite native *EventListener's
+			var handle = trigger + "EventListener";
+			var handler = proto[handle];
+			proto[handle] = function (type, listener, useCapture) {
+				if (root.Gesture && root.Gesture._gestureHandlers[type]) { // capture custom events.
+					var configure = useCapture;
+					if (typeof(useCapture) === "object") {
+						configure.useCall = true;
+					} else { // convert to configuration object.
+						configure = {
+							useCall: true,
+							useCapture: useCapture
+						};
+					}
+					eventManager(this, type, listener, configure, trigger, true);
+//					handler.call(this, type, listener, useCapture);
+				} else { // use native function.
+					var types = getEventList(type);
+					for (var n = 0; n < types.length; n ++) {
+						handler.call(this, types[n], listener, useCapture);
+					}
+				}
+			};
+		};
+		recall("add");
+		recall("remove");
+	};
+	// NOTE: overwriting HTMLElement doesn't do anything in Firefox.
+	if (navigator.userAgent.match(/Firefox/)) {
+		// TODO: fix Firefox for the general case.
+		augmentEventListener(HTMLDivElement.prototype);
+		augmentEventListener(HTMLCanvasElement.prototype);
+	} else {
+		augmentEventListener(HTMLElement.prototype);
+	}
+	augmentEventListener(document);
+	augmentEventListener(window);
+})();
+
+/// Allows querySelectorAll and other NodeLists to perform *EventListener commands in bulk.
+if (root.modifySelectors) (function() {
+	var proto = NodeList.prototype;
+	proto.removeEventListener = function(type, listener, useCapture) {
+		for (var n = 0, length = this.length; n < length; n ++) {
+			this[n].removeEventListener(type, listener, useCapture);
+		}
+	};
+	proto.addEventListener = function(type, listener, useCapture) {
+		for (var n = 0, length = this.length; n < length; n ++) {
+			this[n].addEventListener(type, listener, useCapture);
+		}
+	};
+})();
+
+return root;
+
+})(eventjs);
+/*:
+	----------------------------------------------------
+	eventjs.proxy : 0.4.2 : 2013/07/17 : MIT License
+	----------------------------------------------------
+	https://github.com/mudcube/eventjs.js
+	----------------------------------------------------
+*/
+
+if (typeof(eventjs) === "undefined") var eventjs = {};
+if (typeof(eventjs.proxy) === "undefined") eventjs.proxy = {};
+
+eventjs.proxy = (function(root) { "use strict";
+
+/*
+	Create a new pointer gesture instance.
+*/
+
+root.pointerSetup = function(conf, self) {
+	/// Configure.
+	conf.target = conf.target || window;
+	conf.doc = conf.target.ownerDocument || conf.target; // Associated document.
+	conf.minFingers = conf.minFingers || conf.fingers || 1; // Minimum required fingers.
+	conf.maxFingers = conf.maxFingers || conf.fingers || Infinity; // Maximum allowed fingers.
+	conf.position = conf.position || "relative"; // Determines what coordinate system points are returned.
+	delete conf.fingers; //- 
+	/// Convenience data.
+	self = self || {};
+	self.enabled = true;
+	self.gesture = conf.gesture;
+	self.target = conf.target;
+	self.env = conf.env;
+	///
+	if (eventjs.modifyEventListener && conf.fromOverwrite) {
+		conf.oldListener = conf.listener;
+		conf.listener = eventjs.createPointerEvent;
+	}
+	/// Convenience commands.
+	var fingers = 0;
+	var type = self.gesture.indexOf("pointer") === 0 && eventjs.modifyEventListener ? "pointer" : "mouse";
+	if (conf.oldListener) self.oldListener = conf.oldListener;
+	///
+	self.listener = conf.listener;
+	self.proxy = function(listener) {
+		self.defaultListener = conf.listener;
+		conf.listener = listener;
+		listener(conf.event, self);
+	};
+	self.add = function() {
+		if (self.enabled === true) return;
+		if (conf.onPointerDown) eventjs.add(conf.target, type + "down", conf.onPointerDown);
+		if (conf.onPointerMove) eventjs.add(conf.doc, type + "move", conf.onPointerMove);
+		if (conf.onPointerUp) eventjs.add(conf.doc, type + "up", conf.onPointerUp);
+		self.enabled = true;
+	};
+	self.remove = function() {
+		if (self.enabled === false) return;
+		if (conf.onPointerDown) eventjs.remove(conf.target, type + "down", conf.onPointerDown);
+		if (conf.onPointerMove) eventjs.remove(conf.doc, type + "move", conf.onPointerMove);
+		if (conf.onPointerUp) eventjs.remove(conf.doc, type + "up", conf.onPointerUp);
+		self.reset();
+		self.enabled = false;
+	};
+	self.pause = function(opt) {
+		if (conf.onPointerMove && (!opt || opt.move)) eventjs.remove(conf.doc, type + "move", conf.onPointerMove);
+		if (conf.onPointerUp && (!opt || opt.up)) eventjs.remove(conf.doc, type + "up", conf.onPointerUp);
+		fingers = conf.fingers;
+		conf.fingers = 0;
+	};
+	self.resume = function(opt) {
+		if (conf.onPointerMove && (!opt || opt.move)) eventjs.add(conf.doc, type + "move", conf.onPointerMove);
+		if (conf.onPointerUp && (!opt || opt.up)) eventjs.add(conf.doc, type + "up", conf.onPointerUp);
+		conf.fingers = fingers;
+	};
+	self.reset = function() {
+		conf.tracker = {};
+		conf.fingers = 0;
+	};
+	///
+	return self;
+};
+
+/*
+	Begin proxied pointer command.
+*/
+
+var sp = eventjs.supports; // Default pointerType
+///
+eventjs.isMouse = !!sp.mouse;
+eventjs.isMSPointer = !!sp.touch;
+eventjs.isTouch = !!sp.msPointer;
+///
+root.pointerStart = function(event, self, conf) {
+	/// tracks multiple inputs
+	var type = (event.type || "mousedown").toUpperCase();
+	if (type.indexOf("MOUSE") === 0) {
+		eventjs.isMouse = true;
+		eventjs.isTouch = false;
+		eventjs.isMSPointer = false;
+	} else if (type.indexOf("TOUCH") === 0) {
+		eventjs.isMouse = false;
+		eventjs.isTouch = true;
+		eventjs.isMSPointer = false;
+	} else if (type.indexOf("MSPOINTER") === 0) {
+		eventjs.isMouse = false;
+		eventjs.isTouch = false;
+		eventjs.isMSPointer = true;
+	}
+	///
+	var addTouchStart = function(touch, sid) {	
+		var bbox = conf.bbox;
+		var pt = track[sid] = {};
+		///
+		switch(conf.position) {
+			case "absolute": // Absolute from within window.
+				pt.offsetX = 0;
+				pt.offsetY = 0;
+				break;
+			case "differenceFromLast": // Since last coordinate recorded.
+				pt.offsetX = touch.pageX;
+				pt.offsetY = touch.pageY;
+				break;
+			case "difference": // Relative from origin.
+				pt.offsetX = touch.pageX;
+				pt.offsetY = touch.pageY;
+				break;
+			case "move": // Move target element.
+				pt.offsetX = touch.pageX - bbox.x1;
+				pt.offsetY = touch.pageY - bbox.y1;
+				break;
+			default: // Relative from within target.
+				pt.offsetX = bbox.x1 - bbox.scrollLeft;
+				pt.offsetY = bbox.y1 - bbox.scrollTop;
+				break;
+		}
+		///
+		var x = touch.pageX - pt.offsetX;
+		var y = touch.pageY - pt.offsetY;
+		///
+		pt.rotation = 0;
+		pt.scale = 1;
+		pt.startTime = pt.moveTime = (new Date()).getTime();
+		pt.move = { x: x, y: y };
+		pt.start = { x: x, y: y };
+		///
+		conf.fingers ++;
+	};
+	///
+	conf.event = event;
+	if (self.defaultListener) {
+		conf.listener = self.defaultListener;
+		delete self.defaultListener;
+	}
+	///
+	var isTouchStart = !conf.fingers;
+	var track = conf.tracker;
+	var touches = event.changedTouches || root.getCoords(event);
+	var length = touches.length;
+	// Adding touch events to tracking.
+	for (var i = 0; i < length; i ++) {
+		var touch = touches[i];
+		var sid = touch.identifier || Infinity; // Touch ID.
+		// Track the current state of the touches.
+		if (conf.fingers) {
+			if (conf.fingers >= conf.maxFingers) {
+				var ids = [];
+				for (var sid in conf.tracker) ids.push(sid);
+				self.identifier = ids.join(",");
+				return isTouchStart;
+			}
+			var fingers = 0; // Finger ID.
+			for (var rid in track) {
+				// Replace removed finger.
+				if (track[rid].up) {
+					delete track[rid];
+					addTouchStart(touch, sid);
+					conf.cancel = true;
+					break;
+				}
+				fingers ++;
+			}
+			// Add additional finger.
+			if (track[sid]) continue;
+			addTouchStart(touch, sid);
+		} else { // Start tracking fingers.
+			track = conf.tracker = {};
+			self.bbox = conf.bbox = root.getBoundingBox(conf.target);
+			conf.fingers = 0;
+			conf.cancel = false;
+			addTouchStart(touch, sid);
+		}
+	}
+	///
+	var ids = [];
+	for (var sid in conf.tracker) ids.push(sid);
+	self.identifier = ids.join(",");
+	///
+	return isTouchStart;
+};
+
+/*
+	End proxied pointer command.
+*/
+
+root.pointerEnd = function(event, self, conf, onPointerUp) {
+	// Record changed touches have ended (iOS changedTouches is not reliable).
+	var touches = event.touches || [];
+	var length = touches.length;
+	var exists = {};
+	for (var i = 0; i < length; i ++) {
+		var touch = touches[i];
+		var sid = touch.identifier;
+		exists[sid || Infinity] = true;
+	}
+	for (var sid in conf.tracker) {
+		var track = conf.tracker[sid];
+		if (exists[sid] || track.up) continue;
+		if (onPointerUp) { // add changedTouches to mouse.
+			onPointerUp({
+				pageX: track.pageX,
+				pageY: track.pageY,
+				changedTouches: [{
+					pageX: track.pageX,
+					pageY: track.pageY,
+					identifier: sid === "Infinity" ? Infinity : sid 
+				}]
+			}, "up");
+		}
+		track.up = true;
+		conf.fingers --;
+	}
+/*	// This should work but fails in Safari on iOS4 so not using it.
+	var touches = event.changedTouches || root.getCoords(event);
+	var length = touches.length;
+	// Record changed touches have ended (this should work).
+	for (var i = 0; i < length; i ++) {
+		var touch = touches[i];
+		var sid = touch.identifier || Infinity;
+		var track = conf.tracker[sid];
+		if (track && !track.up) {
+			if (onPointerUp) { // add changedTouches to mouse.
+				onPointerUp({
+					changedTouches: [{
+						pageX: track.pageX,
+						pageY: track.pageY,
+						identifier: sid === "Infinity" ? Infinity : sid 
+					}]
+				}, "up");
+			}
+			track.up = true;
+			conf.fingers --;
+		}
+	} */
+	// Wait for all fingers to be released.
+	if (conf.fingers !== 0) return false;
+	// Record total number of fingers gesture used.
+	var ids = [];
+	conf.gestureFingers = 0;
+	for (var sid in conf.tracker) {
+		conf.gestureFingers ++;
+		ids.push(sid);
+	}
+	self.identifier = ids.join(",");
+	// Our pointer gesture has ended.
+	return true;
+};
+
+/*
+	Returns mouse coords in an array to match event.*Touches
+	------------------------------------------------------------
+	var touch = event.changedTouches || root.getCoords(event);
+*/
+
+root.getCoords = function(event) {
+	if (typeof(event.pageX) !== "undefined") { // Desktop browsers.
+		root.getCoords = function(event) {
+			return Array({
+				type: "mouse",
+				x: event.pageX,
+				y: event.pageY,
+				pageX: event.pageX,
+				pageY: event.pageY,
+				identifier: event.pointerId || Infinity // pointerId is MS
+			});
+		};
+	} else { // Internet Explorer <= 8.0
+		root.getCoords = function(event) {
+			var doc = document.documentElement;
+			event = event || window.event;
+			return Array({
+				type: "mouse",
+				x: event.clientX + doc.scrollLeft,
+				y: event.clientY + doc.scrollTop,
+				pageX: event.clientX + doc.scrollLeft,
+				pageY: event.clientY + doc.scrollTop,
+				identifier: Infinity
+			});
+		};
+	}
+	return root.getCoords(event);
+};
+
+/*
+	Returns single coords in an object.
+	------------------------------------------------------------
+	var mouse = root.getCoord(event);
+*/
+
+root.getCoord = function(event) {
+	if ("ontouchstart" in window) { // Mobile browsers.
+		var pX = 0;
+		var pY = 0;
+		root.getCoord = function(event) {
+			var touches = event.changedTouches;
+			if (touches && touches.length) { // ontouchstart + ontouchmove
+				return {
+					x: pX = touches[0].pageX,
+					y: pY = touches[0].pageY
+				};
+			} else { // ontouchend
+				return {
+					x: pX,
+					y: pY
+				};
+			}
+		};
+	} else if(typeof(event.pageX) !== "undefined" && typeof(event.pageY) !== "undefined") { // Desktop browsers.
+		root.getCoord = function(event) {
+			return {
+				x: event.pageX,
+				y: event.pageY
+			};
+		};
+	} else { // Internet Explorer <=8.0
+		root.getCoord = function(event) {
+			var doc = document.documentElement;
+			event = event || window.event;
+			return {
+				x: event.clientX + doc.scrollLeft,
+				y: event.clientY + doc.scrollTop
+			};
+		};
+	}
+	return root.getCoord(event);
+};
+
+/*
+	Get target scale and position in space.	
+*/
+
+var getPropertyAsFloat = function(o, type) {
+	var n = parseFloat(o.getPropertyValue(type), 10);
+	return isFinite(n) ? n : 0;
+};
+
+root.getBoundingBox = function(o) { 
+	if (o === window || o === document) o = document.body;
+	///
+	var bbox = {};
+	var bcr = o.getBoundingClientRect();
+	bbox.width = bcr.width;
+	bbox.height = bcr.height;
+	bbox.x1 = bcr.left;
+	bbox.y1 = bcr.top;
+	bbox.scaleX = bcr.width / o.offsetWidth || 1;
+	bbox.scaleY = bcr.height / o.offsetHeight || 1;
+	bbox.scrollLeft = 0;
+	bbox.scrollTop = 0;
+	///
+	var style = window.getComputedStyle(o);
+	var borderBox = style.getPropertyValue("box-sizing") === "border-box";
+	///
+	if (borderBox === false) {
+		var left = getPropertyAsFloat(style, "border-left-width");
+		var right = getPropertyAsFloat(style, "border-right-width");
+		var bottom = getPropertyAsFloat(style, "border-bottom-width");
+		var top = getPropertyAsFloat(style, "border-top-width");
+		bbox.border = [ left, right, top, bottom ];
+		bbox.x1 += left;
+		bbox.y1 += top;
+		bbox.width -= right + left;
+		bbox.height -= bottom + top;
+	}
+
+/*	var left = getPropertyAsFloat(style, "padding-left");
+	var right = getPropertyAsFloat(style, "padding-right");
+	var bottom = getPropertyAsFloat(style, "padding-bottom");
+	var top = getPropertyAsFloat(style, "padding-top");
+	bbox.padding = [ left, right, top, bottom ];*/
+	///
+	bbox.x2 = bbox.x1 + bbox.width;
+	bbox.y2 = bbox.y1 + bbox.height;
+	
+	/// Get the scroll of container element.
+	var position = style.getPropertyValue("position");
+	var tmp = position === "fixed" ? o : o.parentNode;
+	while (tmp !== null) {
+		if (tmp === document.body) break;
+		if (tmp.scrollTop === undefined) break;
+		var style = window.getComputedStyle(tmp);
+		var position = style.getPropertyValue("position");
+		if (position === "absolute") {
+
+		} else if (position === "fixed") {
+//			bbox.scrollTop += document.body.scrollTop;
+//			bbox.scrollLeft += document.body.scrollLeft;
+			bbox.scrollTop -= tmp.parentNode.scrollTop;
+			bbox.scrollLeft -= tmp.parentNode.scrollLeft;
+			break;
+		} else {
+			bbox.scrollLeft += tmp.scrollLeft;
+			bbox.scrollTop += tmp.scrollTop;
+		}
+		///
+		tmp = tmp.parentNode;
+	};
+	///
+	bbox.scrollBodyLeft = (window.pageXOffset !== undefined) ? window.pageXOffset : (document.documentElement || document.body.parentNode || document.body).scrollLeft;
+	bbox.scrollBodyTop = (window.pageYOffset !== undefined) ? window.pageYOffset : (document.documentElement || document.body.parentNode || document.body).scrollTop;
+	///
+	bbox.scrollLeft -= bbox.scrollBodyLeft;
+	bbox.scrollTop -= bbox.scrollBodyTop;
+	///
+	return bbox;
+};
+
+/*
+	Keep track of metaKey, the proper ctrlKey for users platform.
+	----------------------------------------------------
+	http://www.quirksmode.org/js/keys.html
+*/
+
+(function() {
+	var agent = navigator.userAgent.toLowerCase();
+	var mac = agent.indexOf("macintosh") !== -1;
+	var metaKeys;
+	if (mac && agent.indexOf("khtml") !== -1) { // chrome, safari.
+		metaKeys = { 91: true, 93: true };
+	} else if (mac && agent.indexOf("firefox") !== -1) {  // mac firefox.
+		metaKeys = { 224: true };
+	} else { // windows, linux, or mac opera.
+		metaKeys = { 17: true };
+	}
+	(root.metaTrackerReset = function() {
+		eventjs.fnKey = root.fnKey = false;
+		eventjs.metaKey = root.metaKey = false;
+		eventjs.ctrlKey = root.ctrlKey = false;
+		eventjs.shiftKey = root.shiftKey = false;
+		eventjs.altKey = root.altKey = false;
+	})();
+	root.metaTracker = function(event) {
+		var metaCheck = !!metaKeys[event.keyCode];
+		if (metaCheck) eventjs.metaKey = root.metaKey = event.type === "keydown";
+		eventjs.ctrlKey = root.ctrlKey = event.ctrlKey;
+		eventjs.shiftKey = root.shiftKey = event.shiftKey;
+		eventjs.altKey = root.altKey = event.altKey;
+		return metaCheck;
+	};
+})();
+
+return root;
+
+})(eventjs.proxy);
+/*:
+	----------------------------------------------------
+	"MutationObserver" event proxy.
+	----------------------------------------------------
+	author: Selvakumar Arumugam - MIT LICENSE
+	   src: http://stackoverflow.com/questions/10868104/can-you-have-a-javascript-hook-trigger-after-a-dom-elements-style-object-change
+	----------------------------------------------------
+*/
+if (typeof(eventjs) === "undefined") var eventjs = {};
+
+eventjs.MutationObserver = (function() {
+	var MutationObserver = window.MutationObserver || window.WebKitMutationObserver || window.MozMutationObserver;
+	var DOMAttrModifiedSupported = !MutationObserver && (function() {
+		var p = document.createElement("p");
+		var flag = false;
+		var fn = function() { flag = true };
+		if (p.addEventListener) {
+			p.addEventListener("DOMAttrModified", fn, false);
+		} else if (p.attachEvent) {
+			p.attachEvent("onDOMAttrModified", fn);
+		} else {
+			return false;
+		}
+		///
+		p.setAttribute("id", "target");
+		///
+		return flag;
+	})();
+	///
+	return function(container, callback) {
+		if (MutationObserver) {
+			var options = {
+				subtree: false,
+				attributes: true
+			};
+			var observer = new MutationObserver(function(mutations) {
+				mutations.forEach(function(e) {
+					callback.call(e.target, e.attributeName);
+				});
+			});
+			observer.observe(container, options)
+		} else if (DOMAttrModifiedSupported) {
+			eventjs.add(container, "DOMAttrModified", function(e) {
+				callback.call(container, e.attrName);
+			});
+		} else if ("onpropertychange" in document.body) {
+			eventjs.add(container, "propertychange", function(e) {
+				callback.call(container, window.event.propertyName);
+			});
+		}
+	}
+})();
+/*:
+	"Click" event proxy.
+	----------------------------------------------------
+	eventjs.add(window, "click", function(event, self) {});
+*/
+
+if (typeof(eventjs) === "undefined") var eventjs = {};
+if (typeof(eventjs.proxy) === "undefined") eventjs.proxy = {};
+
+eventjs.proxy = (function(root) { "use strict";
+
+root.click = function(conf) {
+	conf.gesture = conf.gesture || "click";
+	conf.maxFingers = conf.maxFingers || conf.fingers || 1;
+	/// Tracking the events.
+	conf.onPointerDown = function (event) {
+		if (root.pointerStart(event, self, conf)) {
+			eventjs.add(conf.target, "mouseup", conf.onPointerUp);
+		}
+	};
+	conf.onPointerUp = function(event) {
+		if (root.pointerEnd(event, self, conf)) {
+			eventjs.remove(conf.target, "mouseup", conf.onPointerUp);
+			var pointers = event.changedTouches || root.getCoords(event);
+			var pointer = pointers[0];
+			var bbox = conf.bbox;
+			var newbbox = root.getBoundingBox(conf.target);
+			var y = pointer.pageY - newbbox.scrollBodyTop;
+			var x = pointer.pageX - newbbox.scrollBodyLeft;
+			////
+			if (x > bbox.x1 && y > bbox.y1 &&
+				x < bbox.x2 && y < bbox.y2 &&
+				bbox.scrollTop === newbbox.scrollTop) { // has not been scrolled
+				///
+				for (var key in conf.tracker) break; //- should be modularized? in dblclick too
+				var point = conf.tracker[key];
+				self.x = point.start.x;
+				self.y = point.start.y;
+				///
+				conf.listener(event, self);
+			}
+		}
+	};
+	// Generate maintenance commands, and other configurations.
+	var self = root.pointerSetup(conf);
+	self.state = "click";
+	// Attach events.
+	eventjs.add(conf.target, "mousedown", conf.onPointerDown);
+	// Return this object.
+	return self;
+};
+
+eventjs.Gesture = eventjs.Gesture || {};
+eventjs.Gesture._gestureHandlers = eventjs.Gesture._gestureHandlers || {};
+eventjs.Gesture._gestureHandlers.click = root.click;
+
+return root;
+
+})(eventjs.proxy);
+/*:
+	"Double-Click" aka "Double-Tap" event proxy.
+	----------------------------------------------------
+	eventjs.add(window, "dblclick", function(event, self) {});
+	----------------------------------------------------
+	Touch an target twice for <= 700ms, with less than 25 pixel drift.
+*/
+
+if (typeof(eventjs) === "undefined") var eventjs = {};
+if (typeof(eventjs.proxy) === "undefined") eventjs.proxy = {};
+
+eventjs.proxy = (function(root) { "use strict";
+
+root.dbltap =
+root.dblclick = function(conf) {
+	conf.gesture = conf.gesture || "dbltap";
+	conf.maxFingers = conf.maxFingers || conf.fingers || 1;
+	// Setting up local variables.
+	var delay = 700; // in milliseconds
+	var time0, time1, timeout; 
+	var pointer0, pointer1;
+	// Tracking the events.
+	conf.onPointerDown = function (event) {
+		var pointers = event.changedTouches || root.getCoords(event);
+		if (time0 && !time1) { // Click #2
+			pointer1 = pointers[0];
+			time1 = (new Date()).getTime() - time0;
+		} else { // Click #1
+			pointer0 = pointers[0];
+			time0 = (new Date()).getTime();
+			time1 = 0;
+			clearTimeout(timeout);
+			timeout = setTimeout(function() {
+				time0 = 0;
+			}, delay);
+		}
+		if (root.pointerStart(event, self, conf)) {
+			eventjs.add(conf.target, "mousemove", conf.onPointerMove).listener(event);
+			eventjs.add(conf.target, "mouseup", conf.onPointerUp);
+		}
+	};
+	conf.onPointerMove = function (event) {
+		if (time0 && !time1) {
+			var pointers = event.changedTouches || root.getCoords(event);
+			pointer1 = pointers[0];
+		}
+		var bbox = conf.bbox;
+		var ax = (pointer1.pageX - bbox.x1);
+		var ay = (pointer1.pageY - bbox.y1);
+		if (!(ax > 0 && ax < bbox.width && // Within target coordinates..
+			  ay > 0 && ay < bbox.height &&
+			  Math.abs(pointer1.pageX - pointer0.pageX) <= 25 && // Within drift deviance.
+			  Math.abs(pointer1.pageY - pointer0.pageY) <= 25)) {
+			// Cancel out this listener.
+			eventjs.remove(conf.target, "mousemove", conf.onPointerMove);
+			clearTimeout(timeout);
+			time0 = time1 = 0;
+		}
+	};
+	conf.onPointerUp = function(event) {
+		if (root.pointerEnd(event, self, conf)) {
+			eventjs.remove(conf.target, "mousemove", conf.onPointerMove);
+			eventjs.remove(conf.target, "mouseup", conf.onPointerUp);
+		}
+		if (time0 && time1) {
+			if (time1 <= delay) { // && !(event.cancelBubble && ++event.cancelBubbleCount > 1)) {
+				self.state = conf.gesture;
+				for (var key in conf.tracker) break;
+				var point = conf.tracker[key];
+				self.x = point.start.x;
+				self.y = point.start.y;
+				conf.listener(event, self);
+			}
+			clearTimeout(timeout);
+			time0 = time1 = 0;
+		}
+	};
+	// Generate maintenance commands, and other configurations.
+	var self = root.pointerSetup(conf);
+	self.state = "dblclick";
+	// Attach events.
+	eventjs.add(conf.target, "mousedown", conf.onPointerDown);
+	// Return this object.
+	return self;
+};
+
+eventjs.Gesture = eventjs.Gesture || {};
+eventjs.Gesture._gestureHandlers = eventjs.Gesture._gestureHandlers || {};
+eventjs.Gesture._gestureHandlers.dbltap = root.dbltap;
+eventjs.Gesture._gestureHandlers.dblclick = root.dblclick;
+
+return root;
+
+})(eventjs.proxy);
+/*:
+	"Drag" event proxy (1+ fingers).
+	----------------------------------------------------
+	CONFIGURE: maxFingers, position.
+	----------------------------------------------------
+	eventjs.add(window, "drag", function(event, self) {
+		console.log(self.gesture, self.state, self.start, self.x, self.y, self.bbox);
+	});
+*/
+
+if (typeof(eventjs) === "undefined") var eventjs = {};
+if (typeof(eventjs.proxy) === "undefined") eventjs.proxy = {};
+
+eventjs.proxy = (function(root) { "use strict";
+
+root.dragElement = function(that, event) {
+	root.drag({
+		event: event,
+		target: that,
+		position: "move",
+		listener: function(event, self) {
+			that.style.left = self.x + "px";
+			that.style.top = self.y + "px";
+			eventjs.prevent(event);
+		}
+	});
+};
+
+root.drag = function(conf) {
+	conf.gesture = "drag";
+	conf.onPointerDown = function (event) {
+		if (root.pointerStart(event, self, conf)) {
+			if (!conf.monitor) {
+				eventjs.add(conf.doc, "mousemove", conf.onPointerMove);
+				eventjs.add(conf.doc, "mouseup", conf.onPointerUp);
+			}
+		}
+		// Process event listener.
+		conf.onPointerMove(event, "down");
+	};
+	conf.onPointerMove = function (event, state) {
+		if (!conf.tracker) return conf.onPointerDown(event);
+//alertify.log('move')
+		var bbox = conf.bbox;
+		var touches = event.changedTouches || root.getCoords(event);
+		var length = touches.length;
+		for (var i = 0; i < length; i ++) {
+			var touch = touches[i];
+			var identifier = touch.identifier || Infinity;
+			var pt = conf.tracker[identifier];
+			// Identifier defined outside of listener.
+			if (!pt) continue;
+			pt.pageX = touch.pageX;
+			pt.pageY = touch.pageY;
+			// Record data.
+			self.state = state || "move";
+			self.identifier = identifier;
+			self.start = pt.start;
+			self.fingers = conf.fingers;
+			if (conf.position === "differenceFromLast") {
+				self.x = (pt.pageX - pt.offsetX);
+				self.y = (pt.pageY - pt.offsetY);
+				pt.offsetX = pt.pageX;
+				pt.offsetY = pt.pageY;
+			} else {
+				self.x = (pt.pageX - pt.offsetX);
+				self.y = (pt.pageY - pt.offsetY);
+			}
+			///
+			conf.listener(event, self);
+		}
+	};
+	conf.onPointerUp = function(event) {
+		// Remove tracking for touch.
+		if (root.pointerEnd(event, self, conf, conf.onPointerMove)) {
+			if (!conf.monitor) {
+				eventjs.remove(conf.doc, "mousemove", conf.onPointerMove);
+				eventjs.remove(conf.doc, "mouseup", conf.onPointerUp);
+			}
+		}
+	};
+	// Generate maintenance commands, and other configurations.
+	var self = root.pointerSetup(conf);
+	// Attach events.
+	if (conf.event) {
+		conf.onPointerDown(conf.event);
+	} else { //
+		eventjs.add(conf.target, "mousedown", conf.onPointerDown);
+		if (conf.monitor) {
+			eventjs.add(conf.doc, "mousemove", conf.onPointerMove);
+			eventjs.add(conf.doc, "mouseup", conf.onPointerUp);
+		}
+	}
+	// Return this object.
+	return self;
+};
+
+eventjs.Gesture = eventjs.Gesture || {};
+eventjs.Gesture._gestureHandlers = eventjs.Gesture._gestureHandlers || {};
+eventjs.Gesture._gestureHandlers.drag = root.drag;
+
+return root;
+
+})(eventjs.proxy);
+/*:
+	"Gesture" event proxy (2+ fingers).
+	----------------------------------------------------
+	CONFIGURE: minFingers, maxFingers.
+	----------------------------------------------------
+	eventjs.add(window, "gesture", function(event, self) {
+		console.log(
+			self.x, // centroid 
+			self.y,
+			self.rotation,
+			self.scale, 
+			self.fingers, 
+			self.state
+		);
+	});
+*/
+
+if (typeof(eventjs) === "undefined") var eventjs = {};
+if (typeof(eventjs.proxy) === "undefined") eventjs.proxy = {};
+
+eventjs.proxy = (function(root) { "use strict";
+
+var RAD_DEG = Math.PI / 180;
+var getCentroid = function(self, points) {
+	var centroidx = 0;
+	var centroidy = 0;
+	var length = 0;
+	for (var sid in points) {
+		var touch = points[sid];
+		if (touch.up) continue;
+		centroidx += touch.move.x;
+		centroidy += touch.move.y;
+		length ++;
+	}
+	self.x = centroidx /= length;
+	self.y = centroidy /= length;
+	return self;
+};
+
+root.gesture = function(conf) {
+	conf.gesture = conf.gesture || "gesture";
+	conf.minFingers = conf.minFingers || conf.fingers || 2;
+	// Tracking the events.
+	conf.onPointerDown = function (event) {
+		var fingers = conf.fingers;
+		if (root.pointerStart(event, self, conf)) {
+			eventjs.add(conf.doc, "mousemove", conf.onPointerMove);
+			eventjs.add(conf.doc, "mouseup", conf.onPointerUp);
+		}
+		// Record gesture start.
+		if (conf.fingers === conf.minFingers && fingers !== conf.fingers) {
+			self.fingers = conf.minFingers;
+			self.scale = 1;
+			self.rotation = 0;
+			self.state = "start";
+			var sids = ""; //- FIXME(mud): can generate duplicate IDs.
+			for (var key in conf.tracker) sids += key;
+			self.identifier = parseInt(sids);
+			getCentroid(self, conf.tracker);
+			conf.listener(event, self);
+		}
+	};
+	///
+	conf.onPointerMove = function (event, state) {
+		var bbox = conf.bbox;
+		var points = conf.tracker;
+		var touches = event.changedTouches || root.getCoords(event);
+		var length = touches.length;
+		// Update tracker coordinates.
+		for (var i = 0; i < length; i ++) {
+			var touch = touches[i];
+			var sid = touch.identifier || Infinity;
+			var pt = points[sid];
+			// Check whether "pt" is used by another gesture.
+			if (!pt) continue; 
+			// Find the actual coordinates.
+			pt.move.x = (touch.pageX - bbox.x1);
+			pt.move.y = (touch.pageY - bbox.y1);
+		}
+		///
+		if (conf.fingers < conf.minFingers) return;
+		///
+		var touches = [];
+		var scale = 0;
+		var rotation = 0;
+
+		/// Calculate centroid of gesture.
+		getCentroid(self, points);
+		///
+		for (var sid in points) {
+			var touch = points[sid];
+			if (touch.up) continue;
+			var start = touch.start;
+			if (!start.distance) {
+				var dx = start.x - self.x;
+				var dy = start.y - self.y;
+				start.distance = Math.sqrt(dx * dx + dy * dy);
+				start.angle = Math.atan2(dx, dy) / RAD_DEG;
+			}
+			// Calculate scale.
+			var dx = touch.move.x - self.x;
+			var dy = touch.move.y - self.y;
+			var distance = Math.sqrt(dx * dx + dy * dy);
+			scale += distance / start.distance;
+			// Calculate rotation.
+			var angle = Math.atan2(dx, dy) / RAD_DEG;
+			var rotate = (start.angle - angle + 360) % 360 - 180;
+			touch.DEG2 = touch.DEG1; // Previous degree.
+			touch.DEG1 = rotate > 0 ? rotate : -rotate; // Current degree.
+			if (typeof(touch.DEG2) !== "undefined") {
+				if (rotate > 0) {
+					touch.rotation += touch.DEG1 - touch.DEG2;
+				} else {
+					touch.rotation -= touch.DEG1 - touch.DEG2;
+				}
+				rotation += touch.rotation;
+			}
+			// Attach current points to self.
+			touches.push(touch.move);
+		}
+		///
+		self.touches = touches;
+		self.fingers = conf.fingers;
+		self.scale = scale / conf.fingers;
+		self.rotation = rotation / conf.fingers;
+		self.state = "change";
+		conf.listener(event, self);
+	};
+	conf.onPointerUp = function(event) {
+		// Remove tracking for touch.
+		var fingers = conf.fingers;
+		if (root.pointerEnd(event, self, conf)) {
+			eventjs.remove(conf.doc, "mousemove", conf.onPointerMove);
+			eventjs.remove(conf.doc, "mouseup", conf.onPointerUp);
+		}
+		// Check whether fingers has dropped below minFingers.
+		if (fingers === conf.minFingers && conf.fingers < conf.minFingers) {
+			self.fingers = conf.fingers;
+			self.state = "end";
+			conf.listener(event, self);
+		}
+	};
+	// Generate maintenance commands, and other configurations.
+	var self = root.pointerSetup(conf);
+	// Attach events.
+	eventjs.add(conf.target, "mousedown", conf.onPointerDown);
+	// Return this object.
+	return self;
+};
+
+eventjs.Gesture = eventjs.Gesture || {};
+eventjs.Gesture._gestureHandlers = eventjs.Gesture._gestureHandlers || {};
+eventjs.Gesture._gestureHandlers.gesture = root.gesture;
+
+return root;
+
+})(eventjs.proxy);
+/*:
+	"Pointer" event proxy (1+ fingers).
+	----------------------------------------------------
+	CONFIGURE: minFingers, maxFingers.
+	----------------------------------------------------
+	eventjs.add(window, "gesture", function(event, self) {
+		console.log(self.rotation, self.scale, self.fingers, self.state);
+	});
+*/
+
+if (typeof(eventjs) === "undefined") var eventjs = {};
+if (typeof(eventjs.proxy) === "undefined") eventjs.proxy = {};
+
+eventjs.proxy = (function(root) { "use strict";
+
+root.pointerdown = 
+root.pointermove = 
+root.pointerup = function(conf) {
+	conf.gesture = conf.gesture || "pointer";
+	if (conf.target.isPointerEmitter) return;
+	// Tracking the events.
+	var isDown = true;
+	conf.onPointerDown = function (event) {
+		isDown = false;
+		self.gesture = "pointerdown";
+		conf.listener(event, self);
+	};
+	conf.onPointerMove = function (event) {
+		self.gesture = "pointermove";
+		conf.listener(event, self, isDown);
+	};
+	conf.onPointerUp = function (event) {
+		isDown = true;
+		self.gesture = "pointerup";
+		conf.listener(event, self, true);
+	};
+	// Generate maintenance commands, and other configurations.
+	var self = root.pointerSetup(conf);
+	// Attach events.
+	eventjs.add(conf.target, "mousedown", conf.onPointerDown);
+	eventjs.add(conf.target, "mousemove", conf.onPointerMove);
+	eventjs.add(conf.doc, "mouseup", conf.onPointerUp);
+	// Return this object.
+	conf.target.isPointerEmitter = true;
+	return self;
+};
+
+eventjs.Gesture = eventjs.Gesture || {};
+eventjs.Gesture._gestureHandlers = eventjs.Gesture._gestureHandlers || {};
+eventjs.Gesture._gestureHandlers.pointerdown = root.pointerdown;
+eventjs.Gesture._gestureHandlers.pointermove = root.pointermove;
+eventjs.Gesture._gestureHandlers.pointerup = root.pointerup;
+
+return root;
+
+})(eventjs.proxy);
+/*:
+	"Device Motion" and "Shake" event proxy.
+	----------------------------------------------------
+	http://developer.android.com/reference/android/hardware/Sensoreventjs.html#values
+	----------------------------------------------------
+	eventjs.add(window, "shake", function(event, self) {});
+	eventjs.add(window, "devicemotion", function(event, self) {
+		console.log(self.acceleration, self.accelerationIncludingGravity);
+	});
+*/
+
+if (typeof(eventjs) === "undefined") var eventjs = {};
+if (typeof(eventjs.proxy) === "undefined") eventjs.proxy = {};
+
+eventjs.proxy = (function(root) { "use strict";
+
+root.shake = function(conf) {
+	// Externally accessible data.
+	var self = {
+		gesture: "devicemotion",
+		acceleration: {},
+		accelerationIncludingGravity: {},
+		target: conf.target,
+		listener: conf.listener,
+		remove: function() {
+			window.removeEventListener('devicemotion', onDeviceMotion, false);
+		}
+	};
+	// Setting up local variables.
+	var threshold = 4; // Gravitational threshold.
+	var timeout = 1000; // Timeout between shake events.
+	var timeframe = 200; // Time between shakes.
+	var shakes = 3; // Minimum shakes to trigger event.
+	var lastShake = (new Date()).getTime();
+	var gravity = { x: 0, y: 0, z: 0 };
+	var delta = {
+		x: { count: 0, value: 0 },
+		y: { count: 0, value: 0 },
+		z: { count: 0, value: 0 }
+	};
+	// Tracking the events.
+	var onDeviceMotion = function(e) {
+		var alpha = 0.8; // Low pass filter.
+		var o = e.accelerationIncludingGravity;
+		gravity.x = alpha * gravity.x + (1 - alpha) * o.x;
+		gravity.y = alpha * gravity.y + (1 - alpha) * o.y;
+		gravity.z = alpha * gravity.z + (1 - alpha) * o.z; 
+		self.accelerationIncludingGravity = gravity;
+		self.acceleration.x = o.x - gravity.x;
+		self.acceleration.y = o.y - gravity.y;
+		self.acceleration.z = o.z - gravity.z;
+		///
+		if (conf.gesture === "devicemotion") {
+			conf.listener(e, self);
+			return;
+		} 
+		var data = "xyz";
+		var now = (new Date()).getTime();
+		for (var n = 0, length = data.length; n < length; n ++) {
+			var letter = data[n];
+			var ACCELERATION = self.acceleration[letter];
+			var DELTA = delta[letter];
+			var abs = Math.abs(ACCELERATION);
+			/// Check whether another shake event was recently registered.
+			if (now - lastShake < timeout) continue;
+			/// Check whether delta surpasses threshold.
+			if (abs > threshold) {
+				var idx = now * ACCELERATION / abs;
+				var span = Math.abs(idx + DELTA.value);
+				// Check whether last delta was registered within timeframe.
+				if (DELTA.value && span < timeframe) {
+					DELTA.value = idx;
+					DELTA.count ++;
+					// Check whether delta count has enough shakes.
+					if (DELTA.count === shakes) {
+						conf.listener(e, self);
+						// Reset tracking.
+						lastShake = now;
+						DELTA.value = 0;
+						DELTA.count = 0;
+					}
+				} else {
+					// Track first shake.
+					DELTA.value = idx;
+					DELTA.count = 1;
+				}
+			}
+		}
+	};
+	// Attach events.
+	if (!window.addEventListener) return;
+	window.addEventListener('devicemotion', onDeviceMotion, false);
+	// Return this object.
+	return self;
+};
+
+eventjs.Gesture = eventjs.Gesture || {};
+eventjs.Gesture._gestureHandlers = eventjs.Gesture._gestureHandlers || {};
+eventjs.Gesture._gestureHandlers.shake = root.shake;
+
+return root;
+
+})(eventjs.proxy);
+/*:
+	"Swipe" event proxy (1+ fingers).
+	----------------------------------------------------
+	CONFIGURE: snap, threshold, maxFingers.
+	----------------------------------------------------
+	eventjs.add(window, "swipe", function(event, self) {
+		console.log(self.velocity, self.angle);
+	});
+*/
+
+if (typeof(eventjs) === "undefined") var eventjs = {};
+if (typeof(eventjs.proxy) === "undefined") eventjs.proxy = {};
+
+eventjs.proxy = (function(root) { "use strict";
+
+var RAD_DEG = Math.PI / 180;
+
+root.swipe = function(conf) {
+	conf.snap = conf.snap || 90; // angle snap.
+	conf.threshold = conf.threshold || 1; // velocity threshold.
+	conf.gesture = conf.gesture || "swipe";
+	// Tracking the events.
+	conf.onPointerDown = function (event) {
+		if (root.pointerStart(event, self, conf)) {
+			eventjs.add(conf.doc, "mousemove", conf.onPointerMove).listener(event);
+			eventjs.add(conf.doc, "mouseup", conf.onPointerUp);
+		}
+	};
+	conf.onPointerMove = function (event) {
+		var touches = event.changedTouches || root.getCoords(event);
+		var length = touches.length;
+		for (var i = 0; i < length; i ++) {
+			var touch = touches[i];
+			var sid = touch.identifier || Infinity;
+			var o = conf.tracker[sid];
+			// Identifier defined outside of listener.
+			if (!o) continue; 
+			o.move.x = touch.pageX;
+			o.move.y = touch.pageY;
+			o.moveTime = (new Date()).getTime();
+		}
+	};
+	conf.onPointerUp = function(event) {
+		if (root.pointerEnd(event, self, conf)) {
+			eventjs.remove(conf.doc, "mousemove", conf.onPointerMove);
+			eventjs.remove(conf.doc, "mouseup", conf.onPointerUp);
+			///
+			var velocity1;
+			var velocity2
+			var degree1;
+			var degree2;
+			/// Calculate centroid of gesture.
+			var start = { x: 0, y: 0 };
+			var endx = 0;
+			var endy = 0;
+			var length = 0;
+			///
+			for (var sid in conf.tracker) {
+				var touch = conf.tracker[sid];
+				var xdist = touch.move.x - touch.start.x;
+				var ydist = touch.move.y - touch.start.y;
+				///
+				endx += touch.move.x;
+				endy += touch.move.y;
+				start.x += touch.start.x;
+				start.y += touch.start.y;
+				length ++;
+				///
+				var distance = Math.sqrt(xdist * xdist + ydist * ydist);
+				var ms = touch.moveTime - touch.startTime;
+				var degree2 = Math.atan2(xdist, ydist) / RAD_DEG + 180;
+				var velocity2 = ms ? distance / ms : 0;
+				if (typeof(degree1) === "undefined") {
+					degree1 = degree2;
+					velocity1 = velocity2;
+				} else if (Math.abs(degree2 - degree1) <= 20) {
+					degree1 = (degree1 + degree2) / 2;
+					velocity1 = (velocity1 + velocity2) / 2;
+				} else {
+					return;
+				}
+			}
+			///
+			var fingers = conf.gestureFingers;
+			if (conf.minFingers <= fingers && conf.maxFingers >= fingers) {
+				if (velocity1 > conf.threshold) {
+					start.x /= length;
+					start.y /= length;
+					self.start = start;
+					self.x = endx / length;
+					self.y = endy / length;
+					self.angle = -((((degree1 / conf.snap + 0.5) >> 0) * conf.snap || 360) - 360);
+					self.velocity = velocity1;
+					self.fingers = fingers;
+					self.state = "swipe";
+					conf.listener(event, self);
+				}
+			}
+		}
+	};
+	// Generate maintenance commands, and other configurations.
+	var self = root.pointerSetup(conf);
+	// Attach events.
+	eventjs.add(conf.target, "mousedown", conf.onPointerDown);
+	// Return this object.
+	return self;
+};
+
+eventjs.Gesture = eventjs.Gesture || {};
+eventjs.Gesture._gestureHandlers = eventjs.Gesture._gestureHandlers || {};
+eventjs.Gesture._gestureHandlers.swipe = root.swipe;
+
+return root;
+
+})(eventjs.proxy);
+/*:
+	"Tap" and "Longpress" event proxy.
+	----------------------------------------------------
+	CONFIGURE: delay (longpress), timeout (tap).
+	----------------------------------------------------
+	eventjs.add(window, "tap", function(event, self) {
+		console.log(self.fingers);
+	});
+	----------------------------------------------------
+	multi-finger tap // touch an target for <= 250ms.
+	multi-finger longpress // touch an target for >= 500ms
+*/
+
+if (typeof(eventjs) === "undefined") var eventjs = {};
+if (typeof(eventjs.proxy) === "undefined") eventjs.proxy = {};
+
+eventjs.proxy = (function(root) { "use strict";
+
+root.longpress = function(conf) {
+	conf.gesture = "longpress";
+	return root.tap(conf);
+};
+
+root.tap = function(conf) {
+	conf.delay = conf.delay || 500;
+	conf.timeout = conf.timeout || 250;
+	conf.driftDeviance = conf.driftDeviance || 10;
+	conf.gesture = conf.gesture || "tap";
+	// Setting up local variables.
+	var timestamp, timeout;
+	// Tracking the events.
+	conf.onPointerDown = function (event) {
+		if (root.pointerStart(event, self, conf)) {
+			timestamp = (new Date()).getTime();
+			// Initialize event listeners.
+			eventjs.add(conf.doc, "mousemove", conf.onPointerMove).listener(event);
+			eventjs.add(conf.doc, "mouseup", conf.onPointerUp);
+			// Make sure this is a "longpress" event.
+			if (conf.gesture !== "longpress") return;
+			timeout = setTimeout(function() {
+				if (event.cancelBubble && ++event.cancelBubbleCount > 1) return;
+				// Make sure no fingers have been changed.
+				var fingers = 0;
+				for (var key in conf.tracker) {
+					var point = conf.tracker[key];
+					if (point.end === true) return;
+					if (conf.cancel) return;
+					fingers ++;
+				}
+				// Send callback.
+				if (conf.minFingers <= fingers && conf.maxFingers >= fingers) {
+					self.state = "start";
+					self.fingers = fingers;
+					self.x = point.start.x;
+					self.y = point.start.y;
+					conf.listener(event, self);
+				}
+			}, conf.delay);
+		}
+	};
+	conf.onPointerMove = function (event) {
+		var bbox = conf.bbox;
+		var touches = event.changedTouches || root.getCoords(event);
+		var length = touches.length;
+		for (var i = 0; i < length; i ++) {
+			var touch = touches[i];
+			var identifier = touch.identifier || Infinity;
+			var pt = conf.tracker[identifier];
+			if (!pt) continue;
+			var x = (touch.pageX - bbox.x1);
+			var y = (touch.pageY - bbox.y1);
+			///
+			var dx = x - pt.start.x;
+			var dy = y - pt.start.y;
+			var distance = Math.sqrt(dx * dx + dy * dy);
+			if (!(x > 0 && x < bbox.width && // Within target coordinates..
+				  y > 0 && y < bbox.height &&
+				  distance <= conf.driftDeviance)) { // Within drift deviance.
+				// Cancel out this listener.
+				eventjs.remove(conf.doc, "mousemove", conf.onPointerMove);
+				conf.cancel = true;
+				return;
+			}
+		}
+	};
+	conf.onPointerUp = function(event) {
+		if (root.pointerEnd(event, self, conf)) {
+			clearTimeout(timeout);
+			eventjs.remove(conf.doc, "mousemove", conf.onPointerMove);
+			eventjs.remove(conf.doc, "mouseup", conf.onPointerUp);
+			if (event.cancelBubble && ++event.cancelBubbleCount > 1) return;
+			// Callback release on longpress.
+			if (conf.gesture === "longpress") {
+				if (self.state === "start") {
+					self.state = "end";
+					conf.listener(event, self);
+				}
+				return;
+			}
+			// Cancel event due to movement.
+			if (conf.cancel) return;
+			// Ensure delay is within margins.
+			if ((new Date()).getTime() - timestamp > conf.timeout) return;
+			// Send callback.
+			var fingers = conf.gestureFingers;
+			if (conf.minFingers <= fingers && conf.maxFingers >= fingers) {
+				self.state = "tap";
+				self.fingers = conf.gestureFingers;
+				conf.listener(event, self);
+			}
+		}
+	};
+	// Generate maintenance commands, and other configurations.
+	var self = root.pointerSetup(conf);
+	// Attach events.
+	eventjs.add(conf.target, "mousedown", conf.onPointerDown);
+	// Return this object.
+	return self;
+};
+
+eventjs.Gesture = eventjs.Gesture || {};
+eventjs.Gesture._gestureHandlers = eventjs.Gesture._gestureHandlers || {};
+eventjs.Gesture._gestureHandlers.tap = root.tap;
+eventjs.Gesture._gestureHandlers.longpress = root.longpress;
+
+return root;
+
+})(eventjs.proxy);
+/*:
+	"Mouse Wheel" event proxy.
+	----------------------------------------------------
+	eventjs.add(window, "wheel", function(event, self) {
+		console.log(self.state, self.wheelDelta);
+	});
+*/
+
+if (typeof(eventjs) === "undefined") var eventjs = {};
+if (typeof(eventjs.proxy) === "undefined") eventjs.proxy = {};
+
+eventjs.proxy = (function(root) { "use strict";
+
+root.wheelPreventElasticBounce = function(el) {
+	if (!el) return;
+	if (typeof(el) === "string") el = document.querySelector(el);
+	eventjs.add(el, "wheel", function(event, self) {
+		self.preventElasticBounce();
+		eventjs.stop(event);
+	});
+};
+
+root.wheel = function(conf) {
+	// Configure event listener.
+	var interval;
+	var timeout = conf.timeout || 150;
+	var count = 0;
+	// Externally accessible data.
+	var self = {
+		gesture: "wheel",
+		state: "start",
+		wheelDelta: 0,
+		target: conf.target,
+		listener: conf.listener,
+		preventElasticBounce: function(event) {
+			var target = this.target;
+			var scrollTop = target.scrollTop;
+			var top = scrollTop + target.offsetHeight;
+			var height = target.scrollHeight;
+			if (top === height && this.wheelDelta <= 0) eventjs.cancel(event);
+			else if (scrollTop === 0 && this.wheelDelta >= 0) eventjs.cancel(event);
+			eventjs.stop(event);
+		},
+		add: function() {
+			conf.target[add](type, onMouseWheel, false);
+		},
+		remove: function() {
+			conf.target[remove](type, onMouseWheel, false);
+		}
+	};
+	// Tracking the events.
+	var onMouseWheel = function(event) {
+		event = event || window.event;
+		self.state = count++ ? "change" : "start";
+		self.wheelDelta = event.detail ? event.detail * -20 : event.wheelDelta;
+		conf.listener(event, self);
+		clearTimeout(interval);
+		interval = setTimeout(function() {
+			count = 0;
+			self.state = "end";
+			self.wheelDelta = 0;
+			conf.listener(event, self);
+		}, timeout);
+	};
+	// Attach events.
+	var add = document.addEventListener ? "addEventListener" : "attachEvent";
+	var remove = document.removeEventListener ? "removeEventListener" : "detachEvent";
+	var type = eventjs.getEventSupport("mousewheel") ? "mousewheel" : "DOMMouseScroll";
+	conf.target[add](type, onMouseWheel, false);
+	// Return this object.
+	return self;
+};
+
+eventjs.Gesture = eventjs.Gesture || {};
+eventjs.Gesture._gestureHandlers = eventjs.Gesture._gestureHandlers || {};
+eventjs.Gesture._gestureHandlers.wheel = root.wheel;
+
+return root;
+
+})(eventjs.proxy);
+
+///
+var addEvent = eventjs.add;
+var removeEvent = eventjs.remove;
+///
+(function() {
+	for (var key in eventjs) {
+		Event[key] = eventjs[key];
+	}
+	for (var key in eventjs.proxy) {
+		addEvent[key] = eventjs.proxy[key];
+	}
+})();
\ No newline at end of file
-- 
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