From 951bf5ec2e4ca73e3c517b5d83ee8b5508b9972a Mon Sep 17 00:00:00 2001
From: Mario Vavti <mario@mariovavti.com>
Date: Thu, 16 Jun 2016 11:22:08 +0200
Subject: update 3rd party lib fullcalendar to version 2.7.3

---
 library/fullcalendar/fullcalendar.js | 1722 ++++++++++++++++++++++++----------
 1 file changed, 1249 insertions(+), 473 deletions(-)

(limited to 'library/fullcalendar/fullcalendar.js')

diff --git a/library/fullcalendar/fullcalendar.js b/library/fullcalendar/fullcalendar.js
index d6042cc17..cbe67697d 100644
--- a/library/fullcalendar/fullcalendar.js
+++ b/library/fullcalendar/fullcalendar.js
@@ -1,7 +1,7 @@
 /*!
- * FullCalendar v2.6.1
+ * FullCalendar v2.7.3
  * Docs & License: http://fullcalendar.io/
- * (c) 2015 Adam Shaw
+ * (c) 2016 Adam Shaw
  */
 
 (function(factory) {
@@ -19,8 +19,8 @@
 ;;
 
 var FC = $.fullCalendar = {
-	version: "2.6.1",
-	internalApiVersion: 3
+	version: "2.7.3",
+	internalApiVersion: 4
 };
 var fcViews = FC.views = {};
 
@@ -262,29 +262,25 @@ function matchCellWidths(els) {
 }
 
 
-// Turns a container element into a scroller if its contents is taller than the allotted height.
-// Returns true if the element is now a scroller, false otherwise.
-// NOTE: this method is best because it takes weird zooming dimensions into account
-function setPotentialScroller(containerEl, height) {
-	containerEl.height(height).addClass('fc-scroller');
-
-	// are scrollbars needed?
-	if (containerEl[0].scrollHeight - 1 > containerEl[0].clientHeight) { // !!! -1 because IE is often off-by-one :(
-		return true;
-	}
-
-	unsetScroller(containerEl); // undo
-	return false;
-}
+// Given one element that resides inside another,
+// Subtracts the height of the inner element from the outer element.
+function subtractInnerElHeight(outerEl, innerEl) {
+	var both = outerEl.add(innerEl);
+	var diff;
 
+	// effin' IE8/9/10/11 sometimes returns 0 for dimensions. this weird hack was the only thing that worked
+	both.css({
+		position: 'relative', // cause a reflow, which will force fresh dimension recalculation
+		left: -1 // ensure reflow in case the el was already relative. negative is less likely to cause new scroll
+	});
+	diff = outerEl.outerHeight() - innerEl.outerHeight(); // grab the dimensions
+	both.css({ position: '', left: '' }); // undo hack
 
-// Takes an element that might have been a scroller, and turns it back into a normal element.
-function unsetScroller(containerEl) {
-	containerEl.height('').removeClass('fc-scroller');
+	return diff;
 }
 
 
-/* General DOM Utilities
+/* Element Geom Utilities
 ----------------------------------------------------------------------------------------------------------------------*/
 
 FC.getOuterRect = getOuterRect;
@@ -309,26 +305,30 @@ function getScrollParent(el) {
 
 // Queries the outer bounding area of a jQuery element.
 // Returns a rectangle with absolute coordinates: left, right (exclusive), top, bottom (exclusive).
-function getOuterRect(el) {
+// Origin is optional.
+function getOuterRect(el, origin) {
 	var offset = el.offset();
+	var left = offset.left - (origin ? origin.left : 0);
+	var top = offset.top - (origin ? origin.top : 0);
 
 	return {
-		left: offset.left,
-		right: offset.left + el.outerWidth(),
-		top: offset.top,
-		bottom: offset.top + el.outerHeight()
+		left: left,
+		right: left + el.outerWidth(),
+		top: top,
+		bottom: top + el.outerHeight()
 	};
 }
 
 
 // Queries the area within the margin/border/scrollbars of a jQuery element. Does not go within the padding.
 // Returns a rectangle with absolute coordinates: left, right (exclusive), top, bottom (exclusive).
+// Origin is optional.
 // NOTE: should use clientLeft/clientTop, but very unreliable cross-browser.
-function getClientRect(el) {
+function getClientRect(el, origin) {
 	var offset = el.offset();
 	var scrollbarWidths = getScrollbarWidths(el);
-	var left = offset.left + getCssFloat(el, 'border-left-width') + scrollbarWidths.left;
-	var top = offset.top + getCssFloat(el, 'border-top-width') + scrollbarWidths.top;
+	var left = offset.left + getCssFloat(el, 'border-left-width') + scrollbarWidths.left - (origin ? origin.left : 0);
+	var top = offset.top + getCssFloat(el, 'border-top-width') + scrollbarWidths.top - (origin ? origin.top : 0);
 
 	return {
 		left: left,
@@ -341,10 +341,13 @@ function getClientRect(el) {
 
 // Queries the area within the margin/border/padding of a jQuery element. Assumed not to have scrollbars.
 // Returns a rectangle with absolute coordinates: left, right (exclusive), top, bottom (exclusive).
-function getContentRect(el) {
+// Origin is optional.
+function getContentRect(el, origin) {
 	var offset = el.offset(); // just outside of border, margin not included
-	var left = offset.left + getCssFloat(el, 'border-left-width') + getCssFloat(el, 'padding-left');
-	var top = offset.top + getCssFloat(el, 'border-top-width') + getCssFloat(el, 'padding-top');
+	var left = offset.left + getCssFloat(el, 'border-left-width') + getCssFloat(el, 'padding-left') -
+		(origin ? origin.left : 0);
+	var top = offset.top + getCssFloat(el, 'border-top-width') + getCssFloat(el, 'padding-top') -
+		(origin ? origin.top : 0);
 
 	return {
 		left: left,
@@ -414,13 +417,82 @@ function getCssFloat(el, prop) {
 }
 
 
+/* Mouse / Touch Utilities
+----------------------------------------------------------------------------------------------------------------------*/
+
+FC.preventDefault = preventDefault;
+
+
 // Returns a boolean whether this was a left mouse click and no ctrl key (which means right click on Mac)
 function isPrimaryMouseButton(ev) {
 	return ev.which == 1 && !ev.ctrlKey;
 }
 
 
-/* Geometry
+function getEvX(ev) {
+	if (ev.pageX !== undefined) {
+		return ev.pageX;
+	}
+	var touches = ev.originalEvent.touches;
+	if (touches) {
+		return touches[0].pageX;
+	}
+}
+
+
+function getEvY(ev) {
+	if (ev.pageY !== undefined) {
+		return ev.pageY;
+	}
+	var touches = ev.originalEvent.touches;
+	if (touches) {
+		return touches[0].pageY;
+	}
+}
+
+
+function getEvIsTouch(ev) {
+	return /^touch/.test(ev.type);
+}
+
+
+function preventSelection(el) {
+	el.addClass('fc-unselectable')
+		.on('selectstart', preventDefault);
+}
+
+
+// Stops a mouse/touch event from doing it's native browser action
+function preventDefault(ev) {
+	ev.preventDefault();
+}
+
+
+// attach a handler to get called when ANY scroll action happens on the page.
+// this was impossible to do with normal on/off because 'scroll' doesn't bubble.
+// http://stackoverflow.com/a/32954565/96342
+// returns `true` on success.
+function bindAnyScroll(handler) {
+	if (window.addEventListener) {
+		window.addEventListener('scroll', handler, true); // useCapture=true
+		return true;
+	}
+	return false;
+}
+
+
+// undoes bindAnyScroll. must pass in the original function.
+// returns `true` on success.
+function unbindAnyScroll(handler) {
+	if (window.removeEventListener) {
+		window.removeEventListener('scroll', handler, true); // useCapture=true
+		return true;
+	}
+	return false;
+}
+
+
+/* General Geometry Utils
 ----------------------------------------------------------------------------------------------------------------------*/
 
 FC.intersectRects = intersectRects;
@@ -946,22 +1018,21 @@ function proxy(obj, methodName) {
 
 // Returns a function, that, as long as it continues to be invoked, will not
 // be triggered. The function will be called after it stops being called for
-// N milliseconds.
+// N milliseconds. If `immediate` is passed, trigger the function on the
+// leading edge, instead of the trailing.
 // https://github.com/jashkenas/underscore/blob/1.6.0/underscore.js#L714
-function debounce(func, wait) {
-	var timeoutId;
-	var args;
-	var context;
-	var timestamp; // of most recent call
+function debounce(func, wait, immediate) {
+	var timeout, args, context, timestamp, result;
+
 	var later = function() {
 		var last = +new Date() - timestamp;
-		if (last < wait && last > 0) {
-			timeoutId = setTimeout(later, wait - last);
+		if (last < wait) {
+			timeout = setTimeout(later, wait - last);
 		}
 		else {
-			timeoutId = null;
-			func.apply(context, args);
-			if (!timeoutId) {
+			timeout = null;
+			if (!immediate) {
+				result = func.apply(context, args);
 				context = args = null;
 			}
 		}
@@ -971,9 +1042,15 @@ function debounce(func, wait) {
 		context = this;
 		args = arguments;
 		timestamp = +new Date();
-		if (!timeoutId) {
-			timeoutId = setTimeout(later, wait);
+		var callNow = immediate && !timeout;
+		if (!timeout) {
+			timeout = setTimeout(later, wait);
+		}
+		if (callNow) {
+			result = func.apply(context, args);
+			context = args = null;
 		}
+		return result;
 	};
 }
 
@@ -1777,61 +1854,162 @@ function extendClass(superClass, members) {
 
 
 function mixIntoClass(theClass, members) {
-	copyOwnProps(members.prototype || members, theClass.prototype); // TODO: copyNativeMethods?
+	copyOwnProps(members, theClass.prototype); // TODO: copyNativeMethods?
 }
 ;;
 
-var Emitter = FC.Emitter = Class.extend({
+var EmitterMixin = FC.EmitterMixin = {
 
-	callbackHash: null,
+	// jQuery-ification via $(this) allows a non-DOM object to have
+	// the same event handling capabilities (including namespaces).
 
 
-	on: function(name, callback) {
-		this.getCallbacks(name).add(callback);
+	on: function(types, handler) {
+
+		// handlers are always called with an "event" object as their first param.
+		// sneak the `this` context and arguments into the extra parameter object
+		// and forward them on to the original handler.
+		var intercept = function(ev, extra) {
+			return handler.apply(
+				extra.context || this,
+				extra.args || []
+			);
+		};
+
+		// mimick jQuery's internal "proxy" system (risky, I know)
+		// causing all functions with the same .guid to appear to be the same.
+		// https://github.com/jquery/jquery/blob/2.2.4/src/core.js#L448
+		// this is needed for calling .off with the original non-intercept handler.
+		if (!handler.guid) {
+			handler.guid = $.guid++;
+		}
+		intercept.guid = handler.guid;
+
+		$(this).on(types, intercept);
+
 		return this; // for chaining
 	},
 
 
-	off: function(name, callback) {
-		this.getCallbacks(name).remove(callback);
+	off: function(types, handler) {
+		$(this).off(types, handler);
+
 		return this; // for chaining
 	},
 
 
-	trigger: function(name) { // args...
-		var args = Array.prototype.slice.call(arguments, 1);
+	trigger: function(types) {
+		var args = Array.prototype.slice.call(arguments, 1); // arguments after the first
 
-		this.triggerWith(name, this, args);
+		// pass in "extra" info to the intercept
+		$(this).triggerHandler(types, { args: args });
 
 		return this; // for chaining
 	},
 
 
-	triggerWith: function(name, context, args) {
-		var callbacks = this.getCallbacks(name);
+	triggerWith: function(types, context, args) {
 
-		callbacks.fireWith(context, args);
+		// `triggerHandler` is less reliant on the DOM compared to `trigger`.
+		// pass in "extra" info to the intercept.
+		$(this).triggerHandler(types, { context: context, args: args });
 
 		return this; // for chaining
-	},
+	}
+
+};
 
+;;
 
-	getCallbacks: function(name) {
-		var callbacks;
+/*
+Utility methods for easily listening to events on another object,
+and more importantly, easily unlistening from them.
+*/
+var ListenerMixin = FC.ListenerMixin = (function() {
+	var guid = 0;
+	var ListenerMixin = {
+
+		listenerId: null,
+
+		/*
+		Given an `other` object that has on/off methods, bind the given `callback` to an event by the given name.
+		The `callback` will be called with the `this` context of the object that .listenTo is being called on.
+		Can be called:
+			.listenTo(other, eventName, callback)
+		OR
+			.listenTo(other, {
+				eventName1: callback1,
+				eventName2: callback2
+			})
+		*/
+		listenTo: function(other, arg, callback) {
+			if (typeof arg === 'object') { // given dictionary of callbacks
+				for (var eventName in arg) {
+					if (arg.hasOwnProperty(eventName)) {
+						this.listenTo(other, eventName, arg[eventName]);
+					}
+				}
+			}
+			else if (typeof arg === 'string') {
+				other.on(
+					arg + '.' + this.getListenerNamespace(), // use event namespacing to identify this object
+					$.proxy(callback, this) // always use `this` context
+						// the usually-undesired jQuery guid behavior doesn't matter,
+						// because we always unbind via namespace
+				);
+			}
+		},
 
-		if (!this.callbackHash) {
-			this.callbackHash = {};
-		}
+		/*
+		Causes the current object to stop listening to events on the `other` object.
+		`eventName` is optional. If omitted, will stop listening to ALL events on `other`.
+		*/
+		stopListeningTo: function(other, eventName) {
+			other.off((eventName || '') + '.' + this.getListenerNamespace());
+		},
 
-		callbacks = this.callbackHash[name];
-		if (!callbacks) {
-			callbacks = this.callbackHash[name] = $.Callbacks();
+		/*
+		Returns a string, unique to this object, to be used for event namespacing
+		*/
+		getListenerNamespace: function() {
+			if (this.listenerId == null) {
+				this.listenerId = guid++;
+			}
+			return '_listener' + this.listenerId;
 		}
 
-		return callbacks;
+	};
+	return ListenerMixin;
+})();
+;;
+
+// simple class for toggle a `isIgnoringMouse` flag on delay
+// initMouseIgnoring must first be called, with a millisecond delay setting.
+var MouseIgnorerMixin = {
+
+	isIgnoringMouse: false, // bool
+	delayUnignoreMouse: null, // method
+
+
+	initMouseIgnoring: function(delay) {
+		this.delayUnignoreMouse = debounce(proxy(this, 'unignoreMouse'), delay || 1000);
+	},
+
+
+	// temporarily ignore mouse actions on segments
+	tempIgnoreMouse: function() {
+		this.isIgnoringMouse = true;
+		this.delayUnignoreMouse();
+	},
+
+
+	// delayUnignoreMouse eventually calls this
+	unignoreMouse: function() {
+		this.isIgnoringMouse = false;
 	}
 
-});
+};
+
 ;;
 
 /* A rectangular panel that is absolutely positioned over other content
@@ -1848,12 +2026,11 @@ Options:
 	- hide (callback)
 */
 
-var Popover = Class.extend({
+var Popover = Class.extend(ListenerMixin, {
 
 	isHidden: true,
 	options: null,
 	el: null, // the container element for the popover. generated by this object
-	documentMousedownProxy: null, // document mousedown handler bound to `this`
 	margin: 10, // the space required between the popover and the edges of the scroll container
 
 
@@ -1907,7 +2084,7 @@ var Popover = Class.extend({
 		});
 
 		if (options.autoHide) {
-			$(document).on('mousedown', this.documentMousedownProxy = proxy(this, 'documentMousedown'));
+			this.listenTo($(document), 'mousedown', this.documentMousedown);
 		}
 	},
 
@@ -1930,7 +2107,7 @@ var Popover = Class.extend({
 			this.el = null;
 		}
 
-		$(document).off('mousedown', this.documentMousedownProxy);
+		this.stopListeningTo($(document), 'mousedown');
 	},
 
 
@@ -2243,257 +2420,421 @@ var CoordCache = FC.CoordCache = Class.extend({
 ----------------------------------------------------------------------------------------------------------------------*/
 // TODO: use Emitter
 
-var DragListener = FC.DragListener = Class.extend({
+var DragListener = FC.DragListener = Class.extend(ListenerMixin, MouseIgnorerMixin, {
 
 	options: null,
 
-	isListening: false,
-	isDragging: false,
+	// for IE8 bug-fighting behavior
+	subjectEl: null,
+	subjectHref: null,
 
 	// coordinates of the initial mousedown
 	originX: null,
 	originY: null,
 
-	// handler attached to the document, bound to the DragListener's `this`
-	mousemoveProxy: null,
-	mouseupProxy: null,
+	// the wrapping element that scrolls, or MIGHT scroll if there's overflow.
+	// TODO: do this for wrappers that have overflow:hidden as well.
+	scrollEl: null,
 
-	// for IE8 bug-fighting behavior, for now
-	subjectEl: null, // the element being draged. optional
-	subjectHref: null,
+	isInteracting: false,
+	isDistanceSurpassed: false,
+	isDelayEnded: false,
+	isDragging: false,
+	isTouch: false,
 
-	scrollEl: null,
-	scrollBounds: null, // { top, bottom, left, right }
-	scrollTopVel: null, // pixels per second
-	scrollLeftVel: null, // pixels per second
-	scrollIntervalId: null, // ID of setTimeout for scrolling animation loop
-	scrollHandlerProxy: null, // this-scoped function for handling when scrollEl is scrolled
+	delay: null,
+	delayTimeoutId: null,
+	minDistance: null,
 
-	scrollSensitivity: 30, // pixels from edge for scrolling to start
-	scrollSpeed: 200, // pixels per second, at maximum speed
-	scrollIntervalMs: 50, // millisecond wait between scroll increment
+	handleTouchScrollProxy: null, // calls handleTouchScroll, always bound to `this`
 
 
 	constructor: function(options) {
-		options = options || {};
-		this.options = options;
-		this.subjectEl = options.subjectEl;
+		this.options = options || {};
+		this.handleTouchScrollProxy = proxy(this, 'handleTouchScroll');
+		this.initMouseIgnoring(500);
 	},
 
 
-	// Call this when the user does a mousedown. Will probably lead to startListening
-	mousedown: function(ev) {
-		if (isPrimaryMouseButton(ev)) {
+	// Interaction (high-level)
+	// -----------------------------------------------------------------------------------------------------------------
+
+
+	startInteraction: function(ev, extraOptions) {
+		var isTouch = getEvIsTouch(ev);
+
+		if (ev.type === 'mousedown') {
+			if (this.isIgnoringMouse) {
+				return;
+			}
+			else if (!isPrimaryMouseButton(ev)) {
+				return;
+			}
+			else {
+				ev.preventDefault(); // prevents native selection in most browsers
+			}
+		}
+
+		if (!this.isInteracting) {
+
+			// process options
+			extraOptions = extraOptions || {};
+			this.delay = firstDefined(extraOptions.delay, this.options.delay, 0);
+			this.minDistance = firstDefined(extraOptions.distance, this.options.distance, 0);
+			this.subjectEl = this.options.subjectEl;
+
+			this.isInteracting = true;
+			this.isTouch = isTouch;
+			this.isDelayEnded = false;
+			this.isDistanceSurpassed = false;
 
-			ev.preventDefault(); // prevents native selection in most browsers
+			this.originX = getEvX(ev);
+			this.originY = getEvY(ev);
+			this.scrollEl = getScrollParent($(ev.target));
 
-			this.startListening(ev);
+			this.bindHandlers();
+			this.initAutoScroll();
+			this.handleInteractionStart(ev);
+			this.startDelay(ev);
 
-			// start the drag immediately if there is no minimum distance for a drag start
-			if (!this.options.distance) {
-				this.startDrag(ev);
+			if (!this.minDistance) {
+				this.handleDistanceSurpassed(ev);
 			}
 		}
 	},
 
 
-	// Call this to start tracking mouse movements
-	startListening: function(ev) {
-		var scrollParent;
+	handleInteractionStart: function(ev) {
+		this.trigger('interactionStart', ev);
+	},
 
-		if (!this.isListening) {
 
-			// grab scroll container and attach handler
-			if (ev && this.options.scroll) {
-				scrollParent = getScrollParent($(ev.target));
-				if (!scrollParent.is(window) && !scrollParent.is(document)) {
-					this.scrollEl = scrollParent;
+	endInteraction: function(ev, isCancelled) {
+		if (this.isInteracting) {
+			this.endDrag(ev);
 
-					// scope to `this`, and use `debounce` to make sure rapid calls don't happen
-					this.scrollHandlerProxy = debounce(proxy(this, 'scrollHandler'), 100);
-					this.scrollEl.on('scroll', this.scrollHandlerProxy);
-				}
+			if (this.delayTimeoutId) {
+				clearTimeout(this.delayTimeoutId);
+				this.delayTimeoutId = null;
 			}
 
-			$(document)
-				.on('mousemove', this.mousemoveProxy = proxy(this, 'mousemove'))
-				.on('mouseup', this.mouseupProxy = proxy(this, 'mouseup'))
-				.on('selectstart', this.preventDefault); // prevents native selection in IE<=8
+			this.destroyAutoScroll();
+			this.unbindHandlers();
+
+			this.isInteracting = false;
+			this.handleInteractionEnd(ev, isCancelled);
 
-			if (ev) {
-				this.originX = ev.pageX;
-				this.originY = ev.pageY;
+			// a touchstart+touchend on the same element will result in the following addition simulated events:
+			// mouseover + mouseout + click
+			// let's ignore these bogus events
+			if (this.isTouch) {
+				this.tempIgnoreMouse();
 			}
-			else {
-				// if no starting information was given, origin will be the topleft corner of the screen.
-				// if so, dx/dy in the future will be the absolute coordinates.
-				this.originX = 0;
-				this.originY = 0;
+		}
+	},
+
+
+	handleInteractionEnd: function(ev, isCancelled) {
+		this.trigger('interactionEnd', ev, isCancelled || false);
+	},
+
+
+	// Binding To DOM
+	// -----------------------------------------------------------------------------------------------------------------
+
+
+	bindHandlers: function() {
+		var _this = this;
+		var touchStartIgnores = 1;
+
+		if (this.isTouch) {
+			this.listenTo($(document), {
+				touchmove: this.handleTouchMove,
+				touchend: this.endInteraction,
+				touchcancel: this.endInteraction,
+
+				// Sometimes touchend doesn't fire
+				// (can't figure out why. touchcancel doesn't fire either. has to do with scrolling?)
+				// If another touchstart happens, we know it's bogus, so cancel the drag.
+				// touchend will continue to be broken until user does a shorttap/scroll, but this is best we can do.
+				touchstart: function(ev) {
+					if (touchStartIgnores) { // bindHandlers is called from within a touchstart,
+						touchStartIgnores--; // and we don't want this to fire immediately, so ignore.
+					}
+					else {
+						_this.endInteraction(ev, true); // isCancelled=true
+					}
+				}
+			});
+
+			// listen to ALL scroll actions on the page
+			if (
+				!bindAnyScroll(this.handleTouchScrollProxy) && // hopefully this works and short-circuits the rest
+				this.scrollEl // otherwise, attach a single handler to this
+			) {
+				this.listenTo(this.scrollEl, 'scroll', this.handleTouchScroll);
 			}
+		}
+		else {
+			this.listenTo($(document), {
+				mousemove: this.handleMouseMove,
+				mouseup: this.endInteraction
+			});
+		}
+
+		this.listenTo($(document), {
+			selectstart: preventDefault, // don't allow selection while dragging
+			contextmenu: preventDefault // long taps would open menu on Chrome dev tools
+		});
+	},
+
+
+	unbindHandlers: function() {
+		this.stopListeningTo($(document));
+
+		// unbind scroll listening
+		unbindAnyScroll(this.handleTouchScrollProxy);
+		if (this.scrollEl) {
+			this.stopListeningTo(this.scrollEl, 'scroll');
+		}
+	},
+
+
+	// Drag (high-level)
+	// -----------------------------------------------------------------------------------------------------------------
+
+
+	// extraOptions ignored if drag already started
+	startDrag: function(ev, extraOptions) {
+		this.startInteraction(ev, extraOptions); // ensure interaction began
 
-			this.isListening = true;
-			this.listenStart(ev);
+		if (!this.isDragging) {
+			this.isDragging = true;
+			this.handleDragStart(ev);
 		}
 	},
 
 
-	// Called when drag listening has started (but a real drag has not necessarily began)
-	listenStart: function(ev) {
-		this.trigger('listenStart', ev);
+	handleDragStart: function(ev) {
+		this.trigger('dragStart', ev);
+		this.initHrefHack();
 	},
 
 
-	// Called when the user moves the mouse
-	mousemove: function(ev) {
-		var dx = ev.pageX - this.originX;
-		var dy = ev.pageY - this.originY;
-		var minDistance;
+	handleMove: function(ev) {
+		var dx = getEvX(ev) - this.originX;
+		var dy = getEvY(ev) - this.originY;
+		var minDistance = this.minDistance;
 		var distanceSq; // current distance from the origin, squared
 
-		if (!this.isDragging) { // if not already dragging...
-			// then start the drag if the minimum distance criteria is met
-			minDistance = this.options.distance || 1;
+		if (!this.isDistanceSurpassed) {
 			distanceSq = dx * dx + dy * dy;
 			if (distanceSq >= minDistance * minDistance) { // use pythagorean theorem
-				this.startDrag(ev);
+				this.handleDistanceSurpassed(ev);
 			}
 		}
 
 		if (this.isDragging) {
-			this.drag(dx, dy, ev); // report a drag, even if this mousemove initiated the drag
+			this.handleDrag(dx, dy, ev);
 		}
 	},
 
 
-	// Call this to initiate a legitimate drag.
-	// This function is called internally from this class, but can also be called explicitly from outside
-	startDrag: function(ev) {
+	// Called while the mouse is being moved and when we know a legitimate drag is taking place
+	handleDrag: function(dx, dy, ev) {
+		this.trigger('drag', dx, dy, ev);
+		this.updateAutoScroll(ev); // will possibly cause scrolling
+	},
 
-		if (!this.isListening) { // startDrag must have manually initiated
-			this.startListening();
-		}
 
-		if (!this.isDragging) {
-			this.isDragging = true;
-			this.dragStart(ev);
+	endDrag: function(ev) {
+		if (this.isDragging) {
+			this.isDragging = false;
+			this.handleDragEnd(ev);
 		}
 	},
 
 
-	// Called when the actual drag has started (went beyond minDistance)
-	dragStart: function(ev) {
-		var subjectEl = this.subjectEl;
+	handleDragEnd: function(ev) {
+		this.trigger('dragEnd', ev);
+		this.destroyHrefHack();
+	},
 
-		this.trigger('dragStart', ev);
 
-		// remove a mousedown'd <a>'s href so it is not visited (IE8 bug)
-		if ((this.subjectHref = subjectEl ? subjectEl.attr('href') : null)) {
-			subjectEl.removeAttr('href');
+	// Delay
+	// -----------------------------------------------------------------------------------------------------------------
+
+
+	startDelay: function(initialEv) {
+		var _this = this;
+
+		if (this.delay) {
+			this.delayTimeoutId = setTimeout(function() {
+				_this.handleDelayEnd(initialEv);
+			}, this.delay);
+		}
+		else {
+			this.handleDelayEnd(initialEv);
 		}
 	},
 
 
-	// Called while the mouse is being moved and when we know a legitimate drag is taking place
-	drag: function(dx, dy, ev) {
-		this.trigger('drag', dx, dy, ev);
-		this.updateScroll(ev); // will possibly cause scrolling
+	handleDelayEnd: function(initialEv) {
+		this.isDelayEnded = true;
+
+		if (this.isDistanceSurpassed) {
+			this.startDrag(initialEv);
+		}
 	},
 
 
-	// Called when the user does a mouseup
-	mouseup: function(ev) {
-		this.stopListening(ev);
+	// Distance
+	// -----------------------------------------------------------------------------------------------------------------
+
+
+	handleDistanceSurpassed: function(ev) {
+		this.isDistanceSurpassed = true;
+
+		if (this.isDelayEnded) {
+			this.startDrag(ev);
+		}
 	},
 
 
-	// Called when the drag is over. Will not cause listening to stop however.
-	// A concluding 'cellOut' event will NOT be triggered.
-	stopDrag: function(ev) {
+	// Mouse / Touch
+	// -----------------------------------------------------------------------------------------------------------------
+
+
+	handleTouchMove: function(ev) {
+		// prevent inertia and touchmove-scrolling while dragging
 		if (this.isDragging) {
-			this.stopScrolling();
-			this.dragStop(ev);
-			this.isDragging = false;
+			ev.preventDefault();
 		}
+
+		this.handleMove(ev);
 	},
 
 
-	// Called when dragging has been stopped
-	dragStop: function(ev) {
-		var _this = this;
+	handleMouseMove: function(ev) {
+		this.handleMove(ev);
+	},
 
-		this.trigger('dragStop', ev);
 
-		// restore a mousedown'd <a>'s href (for IE8 bug)
-		setTimeout(function() { // must be outside of the click's execution
-			if (_this.subjectHref) {
-				_this.subjectEl.attr('href', _this.subjectHref);
-			}
-		}, 0);
-	},
+	// Scrolling (unrelated to auto-scroll)
+	// -----------------------------------------------------------------------------------------------------------------
 
 
-	// Call this to stop listening to the user's mouse events
-	stopListening: function(ev) {
-		this.stopDrag(ev); // if there's a current drag, kill it
+	handleTouchScroll: function(ev) {
+		// if the drag is being initiated by touch, but a scroll happens before
+		// the drag-initiating delay is over, cancel the drag
+		if (!this.isDragging) {
+			this.endInteraction(ev, true); // isCancelled=true
+		}
+	},
 
-		if (this.isListening) {
 
-			// remove the scroll handler if there is a scrollEl
-			if (this.scrollEl) {
-				this.scrollEl.off('scroll', this.scrollHandlerProxy);
-				this.scrollHandlerProxy = null;
-			}
+	// <A> HREF Hack
+	// -----------------------------------------------------------------------------------------------------------------
 
-			$(document)
-				.off('mousemove', this.mousemoveProxy)
-				.off('mouseup', this.mouseupProxy)
-				.off('selectstart', this.preventDefault);
 
-			this.mousemoveProxy = null;
-			this.mouseupProxy = null;
+	initHrefHack: function() {
+		var subjectEl = this.subjectEl;
 
-			this.isListening = false;
-			this.listenStop(ev);
+		// remove a mousedown'd <a>'s href so it is not visited (IE8 bug)
+		if ((this.subjectHref = subjectEl ? subjectEl.attr('href') : null)) {
+			subjectEl.removeAttr('href');
 		}
 	},
 
 
-	// Called when drag listening has stopped
-	listenStop: function(ev) {
-		this.trigger('listenStop', ev);
+	destroyHrefHack: function() {
+		var subjectEl = this.subjectEl;
+		var subjectHref = this.subjectHref;
+
+		// restore a mousedown'd <a>'s href (for IE8 bug)
+		setTimeout(function() { // must be outside of the click's execution
+			if (subjectHref) {
+				subjectEl.attr('href', subjectHref);
+			}
+		}, 0);
 	},
 
 
+	// Utils
+	// -----------------------------------------------------------------------------------------------------------------
+
+
 	// Triggers a callback. Calls a function in the option hash of the same name.
 	// Arguments beyond the first `name` are forwarded on.
 	trigger: function(name) {
 		if (this.options[name]) {
 			this.options[name].apply(this, Array.prototype.slice.call(arguments, 1));
 		}
-	},
+		// makes _methods callable by event name. TODO: kill this
+		if (this['_' + name]) {
+			this['_' + name].apply(this, Array.prototype.slice.call(arguments, 1));
+		}
+	}
+
+
+});
+
+;;
+/*
+this.scrollEl is set in DragListener
+*/
+DragListener.mixin({
+
+	isAutoScroll: false,
+
+	scrollBounds: null, // { top, bottom, left, right }
+	scrollTopVel: null, // pixels per second
+	scrollLeftVel: null, // pixels per second
+	scrollIntervalId: null, // ID of setTimeout for scrolling animation loop
+
+	// defaults
+	scrollSensitivity: 30, // pixels from edge for scrolling to start
+	scrollSpeed: 200, // pixels per second, at maximum speed
+	scrollIntervalMs: 50, // millisecond wait between scroll increment
+
+
+	initAutoScroll: function() {
+		var scrollEl = this.scrollEl;
 
+		this.isAutoScroll =
+			this.options.scroll &&
+			scrollEl &&
+			!scrollEl.is(window) &&
+			!scrollEl.is(document);
 
-	// Stops a given mouse event from doing it's native browser action. In our case, text selection.
-	preventDefault: function(ev) {
-		ev.preventDefault();
+		if (this.isAutoScroll) {
+			// debounce makes sure rapid calls don't happen
+			this.listenTo(scrollEl, 'scroll', debounce(this.handleDebouncedScroll, 100));
+		}
 	},
 
 
-	/* Scrolling
-	------------------------------------------------------------------------------------------------------------------*/
+	destroyAutoScroll: function() {
+		this.endAutoScroll(); // kill any animation loop
+
+		// remove the scroll handler if there is a scrollEl
+		if (this.isAutoScroll) {
+			this.stopListeningTo(this.scrollEl, 'scroll'); // will probably get removed by unbindHandlers too :(
+		}
+	},
 
 
 	// Computes and stores the bounding rectangle of scrollEl
 	computeScrollBounds: function() {
-		var el = this.scrollEl;
-
-		this.scrollBounds = el ? getOuterRect(el) : null;
+		if (this.isAutoScroll) {
+			this.scrollBounds = getOuterRect(this.scrollEl);
 			// TODO: use getClientRect in future. but prevents auto scrolling when on top of scrollbars
+		}
 	},
 
 
 	// Called when the dragging is in progress and scrolling should be updated
-	updateScroll: function(ev) {
+	updateAutoScroll: function(ev) {
 		var sensitivity = this.scrollSensitivity;
 		var bounds = this.scrollBounds;
 		var topCloseness, bottomCloseness;
@@ -2504,10 +2845,10 @@ var DragListener = FC.DragListener = Class.extend({
 		if (bounds) { // only scroll if scrollEl exists
 
 			// compute closeness to edges. valid range is from 0.0 - 1.0
-			topCloseness = (sensitivity - (ev.pageY - bounds.top)) / sensitivity;
-			bottomCloseness = (sensitivity - (bounds.bottom - ev.pageY)) / sensitivity;
-			leftCloseness = (sensitivity - (ev.pageX - bounds.left)) / sensitivity;
-			rightCloseness = (sensitivity - (bounds.right - ev.pageX)) / sensitivity;
+			topCloseness = (sensitivity - (getEvY(ev) - bounds.top)) / sensitivity;
+			bottomCloseness = (sensitivity - (bounds.bottom - getEvY(ev))) / sensitivity;
+			leftCloseness = (sensitivity - (getEvX(ev) - bounds.left)) / sensitivity;
+			rightCloseness = (sensitivity - (bounds.right - getEvX(ev))) / sensitivity;
 
 			// translate vertical closeness into velocity.
 			// mouse must be completely in bounds for velocity to happen.
@@ -2594,38 +2935,36 @@ var DragListener = FC.DragListener = Class.extend({
 
 		// if scrolled all the way, which causes the vels to be zero, stop the animation loop
 		if (!this.scrollTopVel && !this.scrollLeftVel) {
-			this.stopScrolling();
+			this.endAutoScroll();
 		}
 	},
 
 
 	// Kills any existing scrolling animation loop
-	stopScrolling: function() {
+	endAutoScroll: function() {
 		if (this.scrollIntervalId) {
 			clearInterval(this.scrollIntervalId);
 			this.scrollIntervalId = null;
 
-			// when all done with scrolling, recompute positions since they probably changed
-			this.scrollStop();
+			this.handleScrollEnd();
 		}
 	},
 
 
 	// Get called when the scrollEl is scrolled (NOTE: this is delayed via debounce)
-	scrollHandler: function() {
+	handleDebouncedScroll: function() {
 		// recompute all coordinates, but *only* if this is *not* part of our scrolling animation
 		if (!this.scrollIntervalId) {
-			this.scrollStop();
+			this.handleScrollEnd();
 		}
 	},
 
 
 	// Called when scrolling has stopped, whether through auto scroll, or the user scrolling
-	scrollStop: function() {
+	handleScrollEnd: function() {
 	}
 
 });
-
 ;;
 
 /* Tracks mouse movements over a component and raises events about which hit the mouse is over.
@@ -2654,18 +2993,16 @@ var HitDragListener = DragListener.extend({
 
 	// Called when drag listening starts (but a real drag has not necessarily began).
 	// ev might be undefined if dragging was started manually.
-	listenStart: function(ev) {
+	handleInteractionStart: function(ev) {
 		var subjectEl = this.subjectEl;
 		var subjectRect;
 		var origPoint;
 		var point;
 
-		DragListener.prototype.listenStart.apply(this, arguments); // call the super-method
-
 		this.computeCoords();
 
 		if (ev) {
-			origPoint = { left: ev.pageX, top: ev.pageY };
+			origPoint = { left: getEvX(ev), top: getEvY(ev) };
 			point = origPoint;
 
 			// constrain the point to bounds of the element being dragged
@@ -2695,61 +3032,64 @@ var HitDragListener = DragListener.extend({
 			this.origHit = null;
 			this.coordAdjust = null;
 		}
+
+		// call the super-method. do it after origHit has been computed
+		DragListener.prototype.handleInteractionStart.apply(this, arguments);
 	},
 
 
 	// Recomputes the drag-critical positions of elements
 	computeCoords: function() {
 		this.component.prepareHits();
-		this.computeScrollBounds(); // why is this here???
+		this.computeScrollBounds(); // why is this here??????
 	},
 
 
 	// Called when the actual drag has started
-	dragStart: function(ev) {
+	handleDragStart: function(ev) {
 		var hit;
 
-		DragListener.prototype.dragStart.apply(this, arguments); // call the super-method
+		DragListener.prototype.handleDragStart.apply(this, arguments); // call the super-method
 
 		// might be different from this.origHit if the min-distance is large
-		hit = this.queryHit(ev.pageX, ev.pageY);
+		hit = this.queryHit(getEvX(ev), getEvY(ev));
 
 		// report the initial hit the mouse is over
 		// especially important if no min-distance and drag starts immediately
 		if (hit) {
-			this.hitOver(hit);
+			this.handleHitOver(hit);
 		}
 	},
 
 
 	// Called when the drag moves
-	drag: function(dx, dy, ev) {
+	handleDrag: function(dx, dy, ev) {
 		var hit;
 
-		DragListener.prototype.drag.apply(this, arguments); // call the super-method
+		DragListener.prototype.handleDrag.apply(this, arguments); // call the super-method
 
-		hit = this.queryHit(ev.pageX, ev.pageY);
+		hit = this.queryHit(getEvX(ev), getEvY(ev));
 
 		if (!isHitsEqual(hit, this.hit)) { // a different hit than before?
 			if (this.hit) {
-				this.hitOut();
+				this.handleHitOut();
 			}
 			if (hit) {
-				this.hitOver(hit);
+				this.handleHitOver(hit);
 			}
 		}
 	},
 
 
 	// Called when dragging has been stopped
-	dragStop: function() {
-		this.hitDone();
-		DragListener.prototype.dragStop.apply(this, arguments); // call the super-method
+	handleDragEnd: function() {
+		this.handleHitDone();
+		DragListener.prototype.handleDragEnd.apply(this, arguments); // call the super-method
 	},
 
 
 	// Called when a the mouse has just moved over a new hit
-	hitOver: function(hit) {
+	handleHitOver: function(hit) {
 		var isOrig = isHitsEqual(hit, this.origHit);
 
 		this.hit = hit;
@@ -2759,26 +3099,26 @@ var HitDragListener = DragListener.extend({
 
 
 	// Called when the mouse has just moved out of a hit
-	hitOut: function() {
+	handleHitOut: function() {
 		if (this.hit) {
 			this.trigger('hitOut', this.hit);
-			this.hitDone();
+			this.handleHitDone();
 			this.hit = null;
 		}
 	},
 
 
 	// Called after a hitOut. Also called before a dragStop
-	hitDone: function() {
+	handleHitDone: function() {
 		if (this.hit) {
 			this.trigger('hitDone', this.hit);
 		}
 	},
 
 
-	// Called when drag listening has stopped
-	listenStop: function() {
-		DragListener.prototype.listenStop.apply(this, arguments); // call the super-method
+	// Called when the interaction ends, whether there was a real drag or not
+	handleInteractionEnd: function() {
+		DragListener.prototype.handleInteractionEnd.apply(this, arguments); // call the super-method
 
 		this.origHit = null;
 		this.hit = null;
@@ -2788,8 +3128,8 @@ var HitDragListener = DragListener.extend({
 
 
 	// Called when scrolling has stopped, whether through auto scroll, or the user scrolling
-	scrollStop: function() {
-		DragListener.prototype.scrollStop.apply(this, arguments); // call the super-method
+	handleScrollEnd: function() {
+		DragListener.prototype.handleScrollEnd.apply(this, arguments); // call the super-method
 
 		this.computeCoords(); // hits' absolute positions will be in new places. recompute
 	},
@@ -2844,7 +3184,7 @@ function isHitPropsWithin(subHit, superHit) {
 /* Creates a clone of an element and lets it track the mouse as it moves
 ----------------------------------------------------------------------------------------------------------------------*/
 
-var MouseFollower = Class.extend({
+var MouseFollower = Class.extend(ListenerMixin, {
 
 	options: null,
 
@@ -2856,16 +3196,14 @@ var MouseFollower = Class.extend({
 	top0: null,
 	left0: null,
 
-	// the initial position of the mouse
-	mouseY0: null,
-	mouseX0: null,
+	// the absolute coordinates of the initiating touch/mouse action
+	y0: null,
+	x0: null,
 
 	// the number of pixels the mouse has moved from its initial position
 	topDelta: null,
 	leftDelta: null,
 
-	mousemoveProxy: null, // document mousemove handler, bound to the MouseFollower's `this`
-
 	isFollowing: false,
 	isHidden: false,
 	isAnimating: false, // doing the revert animation?
@@ -2882,8 +3220,8 @@ var MouseFollower = Class.extend({
 		if (!this.isFollowing) {
 			this.isFollowing = true;
 
-			this.mouseY0 = ev.pageY;
-			this.mouseX0 = ev.pageX;
+			this.y0 = getEvY(ev);
+			this.x0 = getEvX(ev);
 			this.topDelta = 0;
 			this.leftDelta = 0;
 
@@ -2891,7 +3229,12 @@ var MouseFollower = Class.extend({
 				this.updatePosition();
 			}
 
-			$(document).on('mousemove', this.mousemoveProxy = proxy(this, 'mousemove'));
+			if (getEvIsTouch(ev)) {
+				this.listenTo($(document), 'touchmove', this.handleMove);
+			}
+			else {
+				this.listenTo($(document), 'mousemove', this.handleMove);
+			}
 		}
 	},
 
@@ -2916,7 +3259,7 @@ var MouseFollower = Class.extend({
 		if (this.isFollowing && !this.isAnimating) { // disallow more than one stop animation at a time
 			this.isFollowing = false;
 
-			$(document).off('mousemove', this.mousemoveProxy);
+			this.stopListeningTo($(document));
 
 			if (shouldRevert && revertDuration && !this.isHidden) { // do a revert animation?
 				this.isAnimating = true;
@@ -2942,6 +3285,7 @@ var MouseFollower = Class.extend({
 		if (!el) {
 			this.sourceEl.width(); // hack to force IE8 to compute correct bounding box
 			el = this.el = this.sourceEl.clone()
+				.addClass(this.options.additionalClass || '')
 				.css({
 					position: 'absolute',
 					visibility: '', // in case original element was hidden (commonly through hideEvents())
@@ -2953,8 +3297,13 @@ var MouseFollower = Class.extend({
 					height: this.sourceEl.height(), // explicit width in case there was a 'bottom' value
 					opacity: this.options.opacity || '',
 					zIndex: this.options.zIndex
-				})
-				.appendTo(this.parentEl);
+				});
+
+			// we don't want long taps or any mouse interaction causing selection/menus.
+			// would use preventSelection(), but that prevents selectstart, causing problems.
+			el.addClass('fc-unselectable');
+
+			el.appendTo(this.parentEl);
 		}
 
 		return el;
@@ -2994,9 +3343,9 @@ var MouseFollower = Class.extend({
 
 
 	// Gets called when the user moves the mouse
-	mousemove: function(ev) {
-		this.topDelta = ev.pageY - this.mouseY0;
-		this.leftDelta = ev.pageX - this.mouseX0;
+	handleMove: function(ev) {
+		this.topDelta = getEvY(ev) - this.y0;
+		this.leftDelta = getEvX(ev) - this.x0;
 
 		if (!this.isHidden) {
 			this.updatePosition();
@@ -3031,7 +3380,7 @@ var MouseFollower = Class.extend({
 /* An abstract class comprised of a "grid" of areas that each represent a specific datetime
 ----------------------------------------------------------------------------------------------------------------------*/
 
-var Grid = FC.Grid = Class.extend({
+var Grid = FC.Grid = Class.extend(ListenerMixin, MouseIgnorerMixin, {
 
 	view: null, // a View object
 	isRTL: null, // shortcut to the view's isRTL option
@@ -3042,8 +3391,6 @@ var Grid = FC.Grid = Class.extend({
 	el: null, // the containing element
 	elsByFill: null, // a hash of jQuery element sets used for rendering each fill. Keyed by fill name.
 
-	externalDragStartProxy: null, // binds the Grid's scope to externalDragStart (in DayGrid.events)
-
 	// derived from options
 	eventTimeFormat: null,
 	displayEventTime: null,
@@ -3056,13 +3403,19 @@ var Grid = FC.Grid = Class.extend({
 	// TODO: port isTimeScale into same system?
 	largeUnit: null,
 
+	dayDragListener: null,
+	segDragListener: null,
+	segResizeListener: null,
+	externalDragListener: null,
+
 
 	constructor: function(view) {
 		this.view = view;
 		this.isRTL = view.opt('isRTL');
-
 		this.elsByFill = {};
-		this.externalDragStartProxy = proxy(this, 'externalDragStart');
+
+		this.dayDragListener = this.buildDayDragListener();
+		this.initMouseIgnoring();
 	},
 
 
@@ -3195,26 +3548,33 @@ var Grid = FC.Grid = Class.extend({
 	// Sets the container element that the grid should render inside of.
 	// Does other DOM-related initializations.
 	setElement: function(el) {
-		var _this = this;
-
 		this.el = el;
+		preventSelection(el);
+
+		this.bindDayHandler('touchstart', this.dayTouchStart);
+		this.bindDayHandler('mousedown', this.dayMousedown);
+
+		// attach event-element-related handlers. in Grid.events
+		// same garbage collection note as above.
+		this.bindSegHandlers();
+
+		this.bindGlobalHandlers();
+	},
+
+
+	bindDayHandler: function(name, handler) {
+		var _this = this;
 
 		// attach a handler to the grid's root element.
 		// jQuery will take care of unregistering them when removeElement gets called.
-		el.on('mousedown', function(ev) {
+		this.el.on(name, function(ev) {
 			if (
 				!$(ev.target).is('.fc-event-container *, .fc-more') && // not an an event element, or "more.." link
 				!$(ev.target).closest('.fc-popover').length // not on a popover (like the "more.." events one)
 			) {
-				_this.dayMousedown(ev);
+				return handler.call(_this, ev);
 			}
 		});
-
-		// attach event-element-related handlers. in Grid.events
-		// same garbage collection note as above.
-		this.bindSegHandlers();
-
-		this.bindGlobalHandlers();
 	},
 
 
@@ -3222,6 +3582,7 @@ var Grid = FC.Grid = Class.extend({
 	// DOES NOT remove any content beforehand (doesn't clear events or call unrenderDates), unlike View
 	removeElement: function() {
 		this.unbindGlobalHandlers();
+		this.clearDragListeners();
 
 		this.el.remove();
 
@@ -3254,18 +3615,47 @@ var Grid = FC.Grid = Class.extend({
 
 	// Binds DOM handlers to elements that reside outside the grid, such as the document
 	bindGlobalHandlers: function() {
-		$(document).on('dragstart sortstart', this.externalDragStartProxy); // jqui
+		this.listenTo($(document), {
+			dragstart: this.externalDragStart, // jqui
+			sortstart: this.externalDragStart // jqui
+		});
 	},
 
 
 	// Unbinds DOM handlers from elements that reside outside the grid
 	unbindGlobalHandlers: function() {
-		$(document).off('dragstart sortstart', this.externalDragStartProxy); // jqui
+		this.stopListeningTo($(document));
 	},
 
 
 	// Process a mousedown on an element that represents a day. For day clicking and selecting.
 	dayMousedown: function(ev) {
+		if (!this.isIgnoringMouse) {
+			this.dayDragListener.startInteraction(ev, {
+				//distance: 5, // needs more work if we want dayClick to fire correctly
+			});
+		}
+	},
+
+
+	dayTouchStart: function(ev) {
+		var view = this.view;
+
+		// HACK to prevent a user's clickaway for unselecting a range or an event
+		// from causing a dayClick.
+		if (view.isSelected || view.selectedEvent) {
+			this.tempIgnoreMouse();
+		}
+
+		this.dayDragListener.startInteraction(ev, {
+			delay: this.view.opt('longPressDelay')
+		});
+	},
+
+
+	// Creates a listener that tracks the user's drag across day elements.
+	// For day clicking and selecting.
+	buildDayDragListener: function() {
 		var _this = this;
 		var view = this.view;
 		var isSelectable = view.opt('selectable');
@@ -3276,14 +3666,21 @@ var Grid = FC.Grid = Class.extend({
 		// if the drag ends on the same day, it is a 'dayClick'.
 		// if 'selectable' is enabled, this listener also detects selections.
 		var dragListener = new HitDragListener(this, {
-			//distance: 5, // needs more work if we want dayClick to fire correctly
 			scroll: view.opt('dragScroll'),
+			interactionStart: function() {
+				dayClickHit = dragListener.origHit; // for dayClick, where no dragging happens
+			},
 			dragStart: function() {
 				view.unselect(); // since we could be rendering a new selection, we want to clear any old one
 			},
 			hitOver: function(hit, isOrig, origHit) {
 				if (origHit) { // click needs to have started on a hit
-					dayClickHit = isOrig ? hit : null; // single-hit selection is a day click
+
+					// if user dragged to another cell at any point, it can no longer be a dayClick
+					if (!isOrig) {
+						dayClickHit = null;
+					}
+
 					if (isSelectable) {
 						selectionSpan = _this.computeSelection(
 							_this.getHitSpan(origHit),
@@ -3304,23 +3701,46 @@ var Grid = FC.Grid = Class.extend({
 				_this.unrenderSelection();
 				enableCursor();
 			},
-			listenStop: function(ev) {
-				if (dayClickHit) {
-					view.triggerDayClick(
-						_this.getHitSpan(dayClickHit),
-						_this.getHitEl(dayClickHit),
-						ev
-					);
-				}
-				if (selectionSpan) {
-					// the selection will already have been rendered. just report it
-					view.reportSelection(selectionSpan, ev);
+			interactionEnd: function(ev, isCancelled) {
+				if (!isCancelled) {
+					if (
+						dayClickHit &&
+						!_this.isIgnoringMouse // see hack in dayTouchStart
+					) {
+						view.triggerDayClick(
+							_this.getHitSpan(dayClickHit),
+							_this.getHitEl(dayClickHit),
+							ev
+						);
+					}
+					if (selectionSpan) {
+						// the selection will already have been rendered. just report it
+						view.reportSelection(selectionSpan, ev);
+					}
+					enableCursor();
 				}
-				enableCursor();
 			}
 		});
 
-		dragListener.mousedown(ev); // start listening, which will eventually initiate a dragStart
+		return dragListener;
+	},
+
+
+	// Kills all in-progress dragging.
+	// Useful for when public API methods that result in re-rendering are invoked during a drag.
+	// Also useful for when touch devices misbehave and don't fire their touchend.
+	clearDragListeners: function() {
+		this.dayDragListener.endInteraction();
+
+		if (this.segDragListener) {
+			this.segDragListener.endInteraction(); // will clear this.segDragListener
+		}
+		if (this.segResizeListener) {
+			this.segResizeListener.endInteraction(); // will clear this.segResizeListener
+		}
+		if (this.externalDragListener) {
+			this.externalDragListener.endInteraction(); // will clear this.externalDragListener
+		}
 	},
 
 
@@ -3330,10 +3750,11 @@ var Grid = FC.Grid = Class.extend({
 
 
 	// Renders a mock event at the given event location, which contains zoned start/end properties.
+	// Returns all mock event elements.
 	renderEventLocationHelper: function(eventLocation, sourceSeg) {
 		var fakeEvent = this.fabricateHelperEvent(eventLocation, sourceSeg);
 
-		this.renderHelper(fakeEvent, sourceSeg); // do the actual rendering
+		return this.renderHelper(fakeEvent, sourceSeg); // do the actual rendering
 	},
 
 
@@ -3361,6 +3782,7 @@ var Grid = FC.Grid = Class.extend({
 
 
 	// Renders a mock event. Given zoned event date properties.
+	// Must return all mock event elements.
 	renderHelper: function(eventLocation, sourceSeg) {
 		// subclasses must implement
 	},
@@ -3640,7 +4062,8 @@ Grid.mixin({
 
 	// Unrenders all events currently rendered on the grid
 	unrenderEvents: function() {
-		this.triggerSegMouseout(); // trigger an eventMouseout if user's mouse is over an event
+		this.handleSegMouseout(); // trigger an eventMouseout if user's mouse is over an event
+		this.clearDragListeners();
 
 		this.unrenderFgSegs();
 		this.unrenderBgSegs();
@@ -3768,48 +4191,44 @@ Grid.mixin({
 
 	// Attaches event-element-related handlers to the container element and leverage bubbling
 	bindSegHandlers: function() {
+		this.bindSegHandler('touchstart', this.handleSegTouchStart);
+		this.bindSegHandler('touchend', this.handleSegTouchEnd);
+		this.bindSegHandler('mouseenter', this.handleSegMouseover);
+		this.bindSegHandler('mouseleave', this.handleSegMouseout);
+		this.bindSegHandler('mousedown', this.handleSegMousedown);
+		this.bindSegHandler('click', this.handleSegClick);
+	},
+
+
+	// Executes a handler for any a user-interaction on a segment.
+	// Handler gets called with (seg, ev), and with the `this` context of the Grid
+	bindSegHandler: function(name, handler) {
 		var _this = this;
-		var view = this.view;
 
-		$.each(
-			{
-				mouseenter: function(seg, ev) {
-					_this.triggerSegMouseover(seg, ev);
-				},
-				mouseleave: function(seg, ev) {
-					_this.triggerSegMouseout(seg, ev);
-				},
-				click: function(seg, ev) {
-					return view.trigger('eventClick', this, seg.event, ev); // can return `false` to cancel
-				},
-				mousedown: function(seg, ev) {
-					if ($(ev.target).is('.fc-resizer') && view.isEventResizable(seg.event)) {
-						_this.segResizeMousedown(seg, ev, $(ev.target).is('.fc-start-resizer'));
-					}
-					else if (view.isEventDraggable(seg.event)) {
-						_this.segDragMousedown(seg, ev);
-					}
-				}
-			},
-			function(name, func) {
-				// attach the handler to the container element and only listen for real event elements via bubbling
-				_this.el.on(name, '.fc-event-container > *', function(ev) {
-					var seg = $(this).data('fc-seg'); // grab segment data. put there by View::renderEvents
-
-					// only call the handlers if there is not a drag/resize in progress
-					if (seg && !_this.isDraggingSeg && !_this.isResizingSeg) {
-						return func.call(this, seg, ev); // `this` will be the event element
-					}
-				});
+		this.el.on(name, '.fc-event-container > *', function(ev) {
+			var seg = $(this).data('fc-seg'); // grab segment data. put there by View::renderEvents
+
+			// only call the handlers if there is not a drag/resize in progress
+			if (seg && !_this.isDraggingSeg && !_this.isResizingSeg) {
+				return handler.call(_this, seg, ev); // context will be the Grid
 			}
-		);
+		});
+	},
+
+
+	handleSegClick: function(seg, ev) {
+		return this.view.trigger('eventClick', seg.el[0], seg.event, ev); // can return `false` to cancel
 	},
 
 
 	// Updates internal state and triggers handlers for when an event element is moused over
-	triggerSegMouseover: function(seg, ev) {
-		if (!this.mousedOverSeg) {
+	handleSegMouseover: function(seg, ev) {
+		if (
+			!this.isIgnoringMouse &&
+			!this.mousedOverSeg
+		) {
 			this.mousedOverSeg = seg;
+			seg.el.addClass('fc-allow-mouse-resize');
 			this.view.trigger('eventMouseover', seg.el[0], seg.event, ev);
 		}
 	},
@@ -3817,56 +4236,132 @@ Grid.mixin({
 
 	// Updates internal state and triggers handlers for when an event element is moused out.
 	// Can be given no arguments, in which case it will mouseout the segment that was previously moused over.
-	triggerSegMouseout: function(seg, ev) {
+	handleSegMouseout: function(seg, ev) {
 		ev = ev || {}; // if given no args, make a mock mouse event
 
 		if (this.mousedOverSeg) {
 			seg = seg || this.mousedOverSeg; // if given no args, use the currently moused-over segment
 			this.mousedOverSeg = null;
+			seg.el.removeClass('fc-allow-mouse-resize');
 			this.view.trigger('eventMouseout', seg.el[0], seg.event, ev);
 		}
 	},
 
 
+	handleSegMousedown: function(seg, ev) {
+		var isResizing = this.startSegResize(seg, ev, { distance: 5 });
+
+		if (!isResizing && this.view.isEventDraggable(seg.event)) {
+			this.buildSegDragListener(seg)
+				.startInteraction(ev, {
+					distance: 5
+				});
+		}
+	},
+
+
+	handleSegTouchStart: function(seg, ev) {
+		var view = this.view;
+		var event = seg.event;
+		var isSelected = view.isEventSelected(event);
+		var isDraggable = view.isEventDraggable(event);
+		var isResizable = view.isEventResizable(event);
+		var isResizing = false;
+		var dragListener;
+
+		if (isSelected && isResizable) {
+			// only allow resizing of the event is selected
+			isResizing = this.startSegResize(seg, ev);
+		}
+
+		if (!isResizing && (isDraggable || isResizable)) { // allowed to be selected?
+
+			dragListener = isDraggable ?
+				this.buildSegDragListener(seg) :
+				this.buildSegSelectListener(seg); // seg isn't draggable, but still needs to be selected
+
+			dragListener.startInteraction(ev, { // won't start if already started
+				delay: isSelected ? 0 : this.view.opt('longPressDelay') // do delay if not already selected
+			});
+		}
+
+		// a long tap simulates a mouseover. ignore this bogus mouseover.
+		this.tempIgnoreMouse();
+	},
+
+
+	handleSegTouchEnd: function(seg, ev) {
+		// touchstart+touchend = click, which simulates a mouseover.
+		// ignore this bogus mouseover.
+		this.tempIgnoreMouse();
+	},
+
+
+	// returns boolean whether resizing actually started or not.
+	// assumes the seg allows resizing.
+	// `dragOptions` are optional.
+	startSegResize: function(seg, ev, dragOptions) {
+		if ($(ev.target).is('.fc-resizer')) {
+			this.buildSegResizeListener(seg, $(ev.target).is('.fc-start-resizer'))
+				.startInteraction(ev, dragOptions);
+			return true;
+		}
+		return false;
+	},
+
+
+
 	/* Event Dragging
 	------------------------------------------------------------------------------------------------------------------*/
 
 
-	// Called when the user does a mousedown on an event, which might lead to dragging.
+	// Builds a listener that will track user-dragging on an event segment.
 	// Generic enough to work with any type of Grid.
-	segDragMousedown: function(seg, ev) {
+	// Has side effect of setting/unsetting `segDragListener`
+	buildSegDragListener: function(seg) {
 		var _this = this;
 		var view = this.view;
 		var calendar = view.calendar;
 		var el = seg.el;
 		var event = seg.event;
+		var isDragging;
+		var mouseFollower; // A clone of the original element that will move with the mouse
 		var dropLocation; // zoned event date properties
 
-		// A clone of the original element that will move with the mouse
-		var mouseFollower = new MouseFollower(seg.el, {
-			parentEl: view.el,
-			opacity: view.opt('dragOpacity'),
-			revertDuration: view.opt('dragRevertDuration'),
-			zIndex: 2 // one above the .fc-view
-		});
+		if (this.segDragListener) {
+			return this.segDragListener;
+		}
 
 		// Tracks mouse movement over the *view's* coordinate map. Allows dragging and dropping between subcomponents
 		// of the view.
-		var dragListener = new HitDragListener(view, {
-			distance: 5,
+		var dragListener = this.segDragListener = new HitDragListener(view, {
 			scroll: view.opt('dragScroll'),
 			subjectEl: el,
 			subjectCenter: true,
-			listenStart: function(ev) {
+			interactionStart: function(ev) {
+				isDragging = false;
+				mouseFollower = new MouseFollower(seg.el, {
+					additionalClass: 'fc-dragging',
+					parentEl: view.el,
+					opacity: dragListener.isTouch ? null : view.opt('dragOpacity'),
+					revertDuration: view.opt('dragRevertDuration'),
+					zIndex: 2 // one above the .fc-view
+				});
 				mouseFollower.hide(); // don't show until we know this is a real drag
 				mouseFollower.start(ev);
 			},
 			dragStart: function(ev) {
-				_this.triggerSegMouseout(seg, ev); // ensure a mouseout on the manipulated event has been reported
+				if (dragListener.isTouch && !view.isEventSelected(event)) {
+					// if not previously selected, will fire after a delay. then, select the event
+					view.selectEvent(event);
+				}
+				isDragging = true;
+				_this.handleSegMouseout(seg, ev); // ensure a mouseout on the manipulated event has been reported
 				_this.segDragStart(seg, ev);
 				view.hideEvent(event); // hide all event segments. our mouseFollower will take over
 			},
 			hitOver: function(hit, isOrig, origHit) {
+				var dragHelperEls;
 
 				// starting hit could be forced (DayGrid.limit)
 				if (seg.hit) {
@@ -3886,7 +4381,13 @@ Grid.mixin({
 				}
 
 				// if a valid drop location, have the subclass render a visual indication
-				if (dropLocation && view.renderDrag(dropLocation, seg)) {
+				if (dropLocation && (dragHelperEls = view.renderDrag(dropLocation, seg))) {
+
+					dragHelperEls.addClass('fc-dragging');
+					if (!dragListener.isTouch) {
+						_this.applyDragOpacity(dragHelperEls);
+					}
+
 					mouseFollower.hide(); // if the subclass is already using a mock event "helper", hide our own
 				}
 				else {
@@ -3902,27 +4403,54 @@ Grid.mixin({
 				mouseFollower.show(); // show in case we are moving out of all hits
 				dropLocation = null;
 			},
-			hitDone: function() { // Called after a hitOut OR before a dragStop
+			hitDone: function() { // Called after a hitOut OR before a dragEnd
 				enableCursor();
 			},
-			dragStop: function(ev) {
+			interactionEnd: function(ev) {
 				// do revert animation if hasn't changed. calls a callback when finished (whether animation or not)
 				mouseFollower.stop(!dropLocation, function() {
-					view.unrenderDrag();
-					view.showEvent(event);
-					_this.segDragStop(seg, ev);
-
+					if (isDragging) {
+						view.unrenderDrag();
+						view.showEvent(event);
+						_this.segDragStop(seg, ev);
+					}
 					if (dropLocation) {
 						view.reportEventDrop(event, dropLocation, this.largeUnit, el, ev);
 					}
 				});
+				_this.segDragListener = null;
+			}
+		});
+
+		return dragListener;
+	},
+
+
+	// seg isn't draggable, but let's use a generic DragListener
+	// simply for the delay, so it can be selected.
+	// Has side effect of setting/unsetting `segDragListener`
+	buildSegSelectListener: function(seg) {
+		var _this = this;
+		var view = this.view;
+		var event = seg.event;
+
+		if (this.segDragListener) {
+			return this.segDragListener;
+		}
+
+		var dragListener = this.segDragListener = new DragListener({
+			dragStart: function(ev) {
+				if (dragListener.isTouch && !view.isEventSelected(event)) {
+					// if not previously selected, will fire after a delay. then, select the event
+					view.selectEvent(event);
+				}
 			},
-			listenStop: function() {
-				mouseFollower.stop(); // put in listenStop in case there was a mousedown but the drag never started
+			interactionEnd: function(ev) {
+				_this.segDragListener = null;
 			}
 		});
 
-		dragListener.mousedown(ev); // start listening, which will eventually lead to a dragStart
+		return dragListener;
 	},
 
 
@@ -4038,8 +4566,8 @@ Grid.mixin({
 		var dropLocation; // a null value signals an unsuccessful drag
 
 		// listener that tracks mouse movement over date-associated pixel regions
-		var dragListener = new HitDragListener(this, {
-			listenStart: function() {
+		var dragListener = _this.externalDragListener = new HitDragListener(this, {
+			interactionStart: function() {
 				_this.isDraggingExternal = true;
 			},
 			hitOver: function(hit) {
@@ -4063,17 +4591,16 @@ Grid.mixin({
 			hitOut: function() {
 				dropLocation = null; // signal unsuccessful
 			},
-			hitDone: function() { // Called after a hitOut OR before a dragStop
+			hitDone: function() { // Called after a hitOut OR before a dragEnd
 				enableCursor();
 				_this.unrenderDrag();
 			},
-			dragStop: function() {
+			interactionEnd: function(ev) {
 				if (dropLocation) { // element was dropped on a valid hit
 					_this.view.reportExternalDrop(meta, dropLocation, el, ev, ui);
 				}
-			},
-			listenStop: function() {
 				_this.isDraggingExternal = false;
+				_this.externalDragListener = null;
 			}
 		});
 
@@ -4114,6 +4641,7 @@ Grid.mixin({
 	// `dropLocation` contains hypothetical start/end/allDay values the event would have if dropped. end can be null.
 	// `seg` is the internal segment object that is being dragged. If dragging an external element, `seg` is null.
 	// A truthy returned value indicates this method has rendered a helper element.
+	// Must return elements used for any mock events.
 	renderDrag: function(dropLocation, seg) {
 		// subclasses must implement
 	},
@@ -4129,24 +4657,28 @@ Grid.mixin({
 	------------------------------------------------------------------------------------------------------------------*/
 
 
-	// Called when the user does a mousedown on an event's resizer, which might lead to resizing.
+	// Creates a listener that tracks the user as they resize an event segment.
 	// Generic enough to work with any type of Grid.
-	segResizeMousedown: function(seg, ev, isStart) {
+	buildSegResizeListener: function(seg, isStart) {
 		var _this = this;
 		var view = this.view;
 		var calendar = view.calendar;
 		var el = seg.el;
 		var event = seg.event;
 		var eventEnd = calendar.getEventEnd(event);
+		var isDragging;
 		var resizeLocation; // zoned event date properties. falsy if invalid resize
 
 		// Tracks mouse movement over the *grid's* coordinate map
-		var dragListener = new HitDragListener(this, {
-			distance: 5,
+		var dragListener = this.segResizeListener = new HitDragListener(this, {
 			scroll: view.opt('dragScroll'),
 			subjectEl: el,
+			interactionStart: function() {
+				isDragging = false;
+			},
 			dragStart: function(ev) {
-				_this.triggerSegMouseout(seg, ev); // ensure a mouseout on the manipulated event has been reported
+				isDragging = true;
+				_this.handleSegMouseout(seg, ev); // ensure a mouseout on the manipulated event has been reported
 				_this.segResizeStart(seg, ev);
 			},
 			hitOver: function(hit, isOrig, origHit) {
@@ -4181,16 +4713,18 @@ Grid.mixin({
 				view.showEvent(event);
 				enableCursor();
 			},
-			dragStop: function(ev) {
-				_this.segResizeStop(seg, ev);
-
+			interactionEnd: function(ev) {
+				if (isDragging) {
+					_this.segResizeStop(seg, ev);
+				}
 				if (resizeLocation) { // valid date to resize to?
 					view.reportEventResize(event, resizeLocation, this.largeUnit, el, ev);
 				}
+				_this.segResizeListener = null;
 			}
 		});
 
-		dragListener.mousedown(ev); // start listening, which will eventually lead to a dragStart
+		return dragListener;
 	},
 
 
@@ -4267,6 +4801,7 @@ Grid.mixin({
 
 	// Renders a visual indication of an event being resized.
 	// `range` has the updated dates of the event. `seg` is the original segment object involved in the drag.
+	// Must return elements used for any mock events.
 	renderEventResize: function(range, seg) {
 		// subclasses must implement
 	},
@@ -4312,6 +4847,7 @@ Grid.mixin({
 
 	// Generic utility for generating the HTML classNames for an event segment's element
 	getSegClasses: function(seg, isDraggable, isResizable) {
+		var view = this.view;
 		var event = seg.event;
 		var classes = [
 			'fc-event',
@@ -4329,6 +4865,11 @@ Grid.mixin({
 			classes.push('fc-resizable');
 		}
 
+		// event is currently selected? attach a className.
+		if (view.isEventSelected(event)) {
+			classes.push('fc-selected');
+		}
+
 		return classes;
 	},
 
@@ -5311,10 +5852,7 @@ var DayGrid = FC.DayGrid = Grid.extend(DayTableMixin, {
 		// if a segment from the same calendar but another component is being dragged, render a helper event
 		if (seg && !seg.el.closest(this.el).length) {
 
-			this.renderEventLocationHelper(eventLocation, seg);
-			this.applyDragOpacity(this.helperEls);
-
-			return true; // a helper has been rendered
+			return this.renderEventLocationHelper(eventLocation, seg); // returns mock event elements
 		}
 	},
 
@@ -5333,7 +5871,7 @@ var DayGrid = FC.DayGrid = Grid.extend(DayTableMixin, {
 	// Renders a visual indication of an event being resized
 	renderEventResize: function(eventLocation, seg) {
 		this.renderHighlight(this.eventToSpan(eventLocation));
-		this.renderEventLocationHelper(eventLocation, seg);
+		return this.renderEventLocationHelper(eventLocation, seg); // returns mock event elements
 	},
 
 
@@ -5379,7 +5917,9 @@ var DayGrid = FC.DayGrid = Grid.extend(DayTableMixin, {
 			helperNodes.push(skeletonEl[0]);
 		});
 
-		this.helperEls = $(helperNodes); // array -> jQuery set
+		return ( // must return the elements rendered
+			this.helperEls = $(helperNodes) // array -> jQuery set
+		);
 	},
 
 
@@ -6165,6 +6705,7 @@ var TimeGrid = FC.TimeGrid = Grid.extend(DayTableMixin, {
 	labelInterval: null, // duration of how often a label should be displayed for a slot
 
 	colEls: null, // cells elements in the day-row background
+	slatContainerEl: null, // div that wraps all the slat rows
 	slatEls: null, // elements running horizontally across all columns
 	nowIndicatorEls: null,
 
@@ -6184,7 +6725,8 @@ var TimeGrid = FC.TimeGrid = Grid.extend(DayTableMixin, {
 	renderDates: function() {
 		this.el.html(this.renderHtml());
 		this.colEls = this.el.find('.fc-day');
-		this.slatEls = this.el.find('.fc-slats tr');
+		this.slatContainerEl = this.el.find('.fc-slats');
+		this.slatEls = this.slatContainerEl.find('tr');
 
 		this.colCoordCache = new CoordCache({
 			els: this.colEls,
@@ -6463,6 +7005,11 @@ var TimeGrid = FC.TimeGrid = Grid.extend(DayTableMixin, {
 	},
 
 
+	getTotalSlatHeight: function() {
+		return this.slatContainerEl.outerHeight();
+	},
+
+
 	// Computes the top coordinate, relative to the bounds of the grid, of the given date.
 	// A `startOfDayDate` must be given for avoiding ambiguity over how to treat midnight.
 	computeDateTop: function(date, startOfDayDate) {
@@ -6511,13 +7058,10 @@ var TimeGrid = FC.TimeGrid = Grid.extend(DayTableMixin, {
 	renderDrag: function(eventLocation, seg) {
 
 		if (seg) { // if there is event information for this drag, render a helper event
-			this.renderEventLocationHelper(eventLocation, seg);
-
-			for (var i = 0; i < this.helperSegs.length; i++) {
-				this.applyDragOpacity(this.helperSegs[i].el);
-			}
 
-			return true; // signal that a helper has been rendered
+			// returns mock event elements
+			// signal that a helper has been rendered
+			return this.renderEventLocationHelper(eventLocation, seg);
 		}
 		else {
 			// otherwise, just render a highlight
@@ -6539,7 +7083,7 @@ var TimeGrid = FC.TimeGrid = Grid.extend(DayTableMixin, {
 
 	// Renders a visual indication of an event being resized
 	renderEventResize: function(eventLocation, seg) {
-		this.renderEventLocationHelper(eventLocation, seg);
+		return this.renderEventLocationHelper(eventLocation, seg); // returns mock event elements
 	},
 
 
@@ -6555,7 +7099,7 @@ var TimeGrid = FC.TimeGrid = Grid.extend(DayTableMixin, {
 
 	// Renders a mock "helper" event. `sourceSeg` is the original segment object and might be null (an external drag)
 	renderHelper: function(event, sourceSeg) {
-		this.renderHelperSegs(this.eventToSegs(event), sourceSeg);
+		return this.renderHelperSegs(this.eventToSegs(event), sourceSeg); // returns mock event elements
 	},
 
 
@@ -6749,6 +7293,7 @@ TimeGrid.mixin({
 
 
 	renderHelperSegs: function(segs, sourceSeg) {
+		var helperEls = [];
 		var i, seg;
 		var sourceEl;
 
@@ -6766,9 +7311,12 @@ TimeGrid.mixin({
 					'margin-right': sourceEl.css('margin-right')
 				});
 			}
+			helperEls.push(seg.el[0]);
 		}
 
 		this.helperSegs = segs;
+
+		return $(helperEls); // must return rendered helpers
 	},
 
 
@@ -7279,7 +7827,7 @@ function isSlotSegCollision(seg1, seg2) {
 /* An abstract class from which other views inherit from
 ----------------------------------------------------------------------------------------------------------------------*/
 
-var View = FC.View = Class.extend({
+var View = FC.View = Class.extend(EmitterMixin, ListenerMixin, {
 
 	type: null, // subclass' view name (string)
 	name: null, // deprecated. use `type` instead
@@ -7306,13 +7854,10 @@ var View = FC.View = Class.extend({
 
 	isRTL: false,
 	isSelected: false, // boolean whether a range of time is user-selected or not
+	selectedEvent: null,
 
 	eventOrderSpecs: null, // criteria for ordering events when they have same date/time
 
-	// subclasses can optionally use a scroll container
-	scrollerEl: null, // the element that will most likely scroll when content is too tall
-	scrollTop: null, // cached vertical scroll value
-
 	// classNames styled by jqui themes
 	widgetHeaderClass: null,
 	widgetContentClass: null,
@@ -7322,9 +7867,6 @@ var View = FC.View = Class.extend({
 	nextDayThreshold: null,
 	isHiddenDayHash: null,
 
-	// document handlers, bound to `this` object
-	documentMousedownProxy: null, // TODO: doesn't work with touch
-
 	// now indicator
 	isNowIndicatorRendered: null,
 	initialNowDate: null, // result first getNow call
@@ -7347,8 +7889,6 @@ var View = FC.View = Class.extend({
 
 		this.eventOrderSpecs = parseFieldSpecs(this.opt('eventOrder'));
 
-		this.documentMousedownProxy = proxy(this, 'documentMousedown');
-
 		this.initialize();
 	},
 
@@ -7674,13 +8214,14 @@ var View = FC.View = Class.extend({
 
 	// Binds DOM handlers to elements that reside outside the view container, such as the document
 	bindGlobalHandlers: function() {
-		$(document).on('mousedown', this.documentMousedownProxy);
+		this.listenTo($(document), 'mousedown', this.handleDocumentMousedown);
+		this.listenTo($(document), 'touchstart', this.processUnselect);
 	},
 
 
 	// Unbinds DOM handlers from elements that reside outside the view container
 	unbindGlobalHandlers: function() {
-		$(document).off('mousedown', this.documentMousedownProxy);
+		this.stopListeningTo($(document));
 	},
 
 
@@ -7848,27 +8389,6 @@ var View = FC.View = Class.extend({
 	------------------------------------------------------------------------------------------------------------------*/
 
 
-	// Given the total height of the view, return the number of pixels that should be used for the scroller.
-	// Utility for subclasses.
-	computeScrollerHeight: function(totalHeight) {
-		var scrollerEl = this.scrollerEl;
-		var both;
-		var otherHeight; // cumulative height of everything that is not the scrollerEl in the view (header+borders)
-
-		both = this.el.add(scrollerEl);
-
-		// fuckin IE8/9/10/11 sometimes returns 0 for dimensions. this weird hack was the only thing that worked
-		both.css({
-			position: 'relative', // cause a reflow, which will force fresh dimension recalculation
-			left: -1 // ensure reflow in case the el was already relative. negative is less likely to cause new scroll
-		});
-		otherHeight = this.el.outerHeight() - scrollerEl.height(); // grab the dimensions
-		both.css({ position: '', left: '' }); // undo hack
-
-		return totalHeight - otherHeight;
-	},
-
-
 	// Computes the initial pre-configured scroll state prior to allowing the user to change it.
 	// Given the scroll state from the previous rendering. If first time rendering, given null.
 	computeInitialScroll: function(previousScrollState) {
@@ -7878,17 +8398,13 @@ var View = FC.View = Class.extend({
 
 	// Retrieves the view's current natural scroll state. Can return an arbitrary format.
 	queryScroll: function() {
-		if (this.scrollerEl) {
-			return this.scrollerEl.scrollTop(); // operates on scrollerEl by default
-		}
+		// subclasses must implement
 	},
 
 
 	// Sets the view's scroll state. Will accept the same format computeInitialScroll and queryScroll produce.
 	setScroll: function(scrollState) {
-		if (this.scrollerEl) {
-			return this.scrollerEl.scrollTop(scrollState); // operates on scrollerEl by default
-		}
+		// subclasses must implement
 	},
 
 
@@ -8103,7 +8619,8 @@ var View = FC.View = Class.extend({
 
 
 	// Renders a visual indication of a event or external-element drag over the given drop zone.
-	// If an external-element, seg will be `null`
+	// If an external-element, seg will be `null`.
+	// Must return elements used for any mock events.
 	renderDrag: function(dropLocation, seg) {
 		// subclasses must implement
 	},
@@ -8166,7 +8683,7 @@ var View = FC.View = Class.extend({
 	},
 
 
-	/* Selection
+	/* Selection (time range)
 	------------------------------------------------------------------------------------------------------------------*/
 
 
@@ -8224,13 +8741,62 @@ var View = FC.View = Class.extend({
 	},
 
 
-	// Handler for unselecting when the user clicks something and the 'unselectAuto' setting is on
-	documentMousedown: function(ev) {
-		var ignore;
+	/* Event Selection
+	------------------------------------------------------------------------------------------------------------------*/
+
+
+	selectEvent: function(event) {
+		if (!this.selectedEvent || this.selectedEvent !== event) {
+			this.unselectEvent();
+			this.renderedEventSegEach(function(seg) {
+				seg.el.addClass('fc-selected');
+			}, event);
+			this.selectedEvent = event;
+		}
+	},
+
+
+	unselectEvent: function() {
+		if (this.selectedEvent) {
+			this.renderedEventSegEach(function(seg) {
+				seg.el.removeClass('fc-selected');
+			}, this.selectedEvent);
+			this.selectedEvent = null;
+		}
+	},
+
+
+	isEventSelected: function(event) {
+		// event references might change on refetchEvents(), while selectedEvent doesn't,
+		// so compare IDs
+		return this.selectedEvent && this.selectedEvent._id === event._id;
+	},
+
+
+	/* Mouse / Touch Unselecting (time range & event unselection)
+	------------------------------------------------------------------------------------------------------------------*/
+	// TODO: move consistently to down/start or up/end?
+	// TODO: don't kill previous selection if touch scrolling
+
+
+	handleDocumentMousedown: function(ev) {
+		if (isPrimaryMouseButton(ev)) {
+			this.processUnselect(ev);
+		}
+	},
+
 
-		// is there a selection, and has the user made a proper left click?
-		if (this.isSelected && this.opt('unselectAuto') && isPrimaryMouseButton(ev)) {
+	processUnselect: function(ev) {
+		this.processRangeUnselect(ev);
+		this.processEventUnselect(ev);
+	},
+
+
+	processRangeUnselect: function(ev) {
+		var ignore;
 
+		// is there a time-range selection?
+		if (this.isSelected && this.opt('unselectAuto')) {
 			// only unselect if the clicked element is not identical to or inside of an 'unselectCancel' element
 			ignore = this.opt('unselectCancel');
 			if (!ignore || !$(ev.target).closest(ignore).length) {
@@ -8240,6 +8806,15 @@ var View = FC.View = Class.extend({
 	},
 
 
+	processEventUnselect: function(ev) {
+		if (this.selectedEvent) {
+			if (!$(ev.target).closest('.fc-selected').length) {
+				this.unselectEvent();
+			}
+		}
+	},
+
+
 	/* Day Click
 	------------------------------------------------------------------------------------------------------------------*/
 
@@ -8354,6 +8929,127 @@ var View = FC.View = Class.extend({
 
 ;;
 
+/*
+Embodies a div that has potential scrollbars
+*/
+var Scroller = FC.Scroller = Class.extend({
+
+	el: null, // the guaranteed outer element
+	scrollEl: null, // the element with the scrollbars
+	overflowX: null,
+	overflowY: null,
+
+
+	constructor: function(options) {
+		options = options || {};
+		this.overflowX = options.overflowX || options.overflow || 'auto';
+		this.overflowY = options.overflowY || options.overflow || 'auto';
+	},
+
+
+	render: function() {
+		this.el = this.renderEl();
+		this.applyOverflow();
+	},
+
+
+	renderEl: function() {
+		return (this.scrollEl = $('<div class="fc-scroller"></div>'));
+	},
+
+
+	// sets to natural height, unlocks overflow
+	clear: function() {
+		this.setHeight('auto');
+		this.applyOverflow();
+	},
+
+
+	destroy: function() {
+		this.el.remove();
+	},
+
+
+	// Overflow
+	// -----------------------------------------------------------------------------------------------------------------
+
+
+	applyOverflow: function() {
+		this.scrollEl.css({
+			'overflow-x': this.overflowX,
+			'overflow-y': this.overflowY
+		});
+	},
+
+
+	// Causes any 'auto' overflow values to resolves to 'scroll' or 'hidden'.
+	// Useful for preserving scrollbar widths regardless of future resizes.
+	// Can pass in scrollbarWidths for optimization.
+	lockOverflow: function(scrollbarWidths) {
+		var overflowX = this.overflowX;
+		var overflowY = this.overflowY;
+
+		scrollbarWidths = scrollbarWidths || this.getScrollbarWidths();
+
+		if (overflowX === 'auto') {
+			overflowX = (
+					scrollbarWidths.top || scrollbarWidths.bottom || // horizontal scrollbars?
+					// OR scrolling pane with massless scrollbars?
+					this.scrollEl[0].scrollWidth - 1 > this.scrollEl[0].clientWidth
+						// subtract 1 because of IE off-by-one issue
+				) ? 'scroll' : 'hidden';
+		}
+
+		if (overflowY === 'auto') {
+			overflowY = (
+					scrollbarWidths.left || scrollbarWidths.right || // vertical scrollbars?
+					// OR scrolling pane with massless scrollbars?
+					this.scrollEl[0].scrollHeight - 1 > this.scrollEl[0].clientHeight
+						// subtract 1 because of IE off-by-one issue
+				) ? 'scroll' : 'hidden';
+		}
+
+		this.scrollEl.css({ 'overflow-x': overflowX, 'overflow-y': overflowY });
+	},
+
+
+	// Getters / Setters
+	// -----------------------------------------------------------------------------------------------------------------
+
+
+	setHeight: function(height) {
+		this.scrollEl.height(height);
+	},
+
+
+	getScrollTop: function() {
+		return this.scrollEl.scrollTop();
+	},
+
+
+	setScrollTop: function(top) {
+		this.scrollEl.scrollTop(top);
+	},
+
+
+	getClientWidth: function() {
+		return this.scrollEl[0].clientWidth;
+	},
+
+
+	getClientHeight: function() {
+		return this.scrollEl[0].clientHeight;
+	},
+
+
+	getScrollbarWidths: function() {
+		return getScrollbarWidths(this.scrollEl);
+	}
+
+});
+
+;;
+
 var Calendar = FC.Calendar = Class.extend({
 
 	dirDefaults: null, // option defaults related to LTR or RTL
@@ -8608,7 +9304,7 @@ var Calendar = FC.Calendar = Class.extend({
 });
 
 
-Calendar.mixin(Emitter);
+Calendar.mixin(EmitterMixin);
 
 
 function Calendar_constructor(element, overrides) {
@@ -9369,7 +10065,9 @@ Calendar.defaults = {
 	dayPopoverFormat: 'LL',
 	
 	handleWindowResize: true,
-	windowResizeDelay: 200 // milliseconds before an updateSize happens
+	windowResizeDelay: 200, // milliseconds before an updateSize happens
+
+	longPressDelay: 1000
 	
 };
 
@@ -10368,6 +11066,8 @@ function EventManager(options) { // assumed to be a calendar
 			assignDatesToEvent(start, end, allDay, out);
 		}
 
+		t.normalizeEvent(out); // hook for external use. a prototype method
+
 		return out;
 	}
 
@@ -10900,6 +11600,12 @@ function EventManager(options) { // assumed to be a calendar
 }
 
 
+// hook for external libs to manipulate event properties upon creation.
+// should manipulate the event in-place.
+Calendar.prototype.normalizeEvent = function(event) {
+};
+
+
 // Returns a list of events that the given event should be compared against when being considered for a move to
 // the specified span. Attached to the Calendar's prototype because EventManager is a mixin for a Calendar.
 Calendar.prototype.getPeerEvents = function(span, event) {
@@ -10937,6 +11643,8 @@ function backupEventDates(event) {
 
 var BasicView = FC.BasicView = View.extend({
 
+	scroller: null,
+
 	dayGridClass: DayGrid, // class the dayGrid will be instantiated from (overridable by subclasses)
 	dayGrid: null, // the main subcomponent that does most of the heavy lifting
 
@@ -10951,6 +11659,11 @@ var BasicView = FC.BasicView = View.extend({
 
 	initialize: function() {
 		this.dayGrid = this.instantiateDayGrid();
+
+		this.scroller = new Scroller({
+			overflowX: 'hidden',
+			overflowY: 'auto'
+		});
 	},
 
 
@@ -11003,9 +11716,12 @@ var BasicView = FC.BasicView = View.extend({
 		this.el.addClass('fc-basic-view').html(this.renderSkeletonHtml());
 		this.renderHead();
 
-		this.scrollerEl = this.el.find('.fc-day-grid-container');
+		this.scroller.render();
+		var dayGridContainerEl = this.scroller.el.addClass('fc-day-grid-container');
+		var dayGridEl = $('<div class="fc-day-grid" />').appendTo(dayGridContainerEl);
+		this.el.find('.fc-body > tr > td').append(dayGridContainerEl);
 
-		this.dayGrid.setElement(this.el.find('.fc-day-grid'));
+		this.dayGrid.setElement(dayGridEl);
 		this.dayGrid.renderDates(this.hasRigidRows());
 	},
 
@@ -11024,6 +11740,7 @@ var BasicView = FC.BasicView = View.extend({
 	unrenderDates: function() {
 		this.dayGrid.unrenderDates();
 		this.dayGrid.removeElement();
+		this.scroller.destroy();
 	},
 
 
@@ -11044,11 +11761,7 @@ var BasicView = FC.BasicView = View.extend({
 				'</thead>' +
 				'<tbody class="fc-body">' +
 					'<tr>' +
-						'<td class="' + this.widgetContentClass + '">' +
-							'<div class="fc-day-grid-container">' +
-								'<div class="fc-day-grid"/>' +
-							'</div>' +
-						'</td>' +
+						'<td class="' + this.widgetContentClass + '"></td>' +
 					'</tr>' +
 				'</tbody>' +
 			'</table>';
@@ -11091,9 +11804,10 @@ var BasicView = FC.BasicView = View.extend({
 	setHeight: function(totalHeight, isAuto) {
 		var eventLimit = this.opt('eventLimit');
 		var scrollerHeight;
+		var scrollbarWidths;
 
 		// reset all heights to be natural
-		unsetScroller(this.scrollerEl);
+		this.scroller.clear();
 		uncompensateScroll(this.headRowEl);
 
 		this.dayGrid.removeSegPopover(); // kill the "more" popover if displayed
@@ -11103,6 +11817,8 @@ var BasicView = FC.BasicView = View.extend({
 			this.dayGrid.limitRows(eventLimit); // limit the levels first so the height can redistribute after
 		}
 
+		// distribute the height to the rows
+		// (totalHeight is a "recommended" value if isAuto)
 		scrollerHeight = this.computeScrollerHeight(totalHeight);
 		this.setGridHeight(scrollerHeight, isAuto);
 
@@ -11111,17 +11827,33 @@ var BasicView = FC.BasicView = View.extend({
 			this.dayGrid.limitRows(eventLimit); // limit the levels after the grid's row heights have been set
 		}
 
-		if (!isAuto && setPotentialScroller(this.scrollerEl, scrollerHeight)) { // using scrollbars?
+		if (!isAuto) { // should we force dimensions of the scroll container?
 
-			compensateScroll(this.headRowEl, getScrollbarWidths(this.scrollerEl));
+			this.scroller.setHeight(scrollerHeight);
+			scrollbarWidths = this.scroller.getScrollbarWidths();
 
-			// doing the scrollbar compensation might have created text overflow which created more height. redo
-			scrollerHeight = this.computeScrollerHeight(totalHeight);
-			this.scrollerEl.height(scrollerHeight);
+			if (scrollbarWidths.left || scrollbarWidths.right) { // using scrollbars?
+
+				compensateScroll(this.headRowEl, scrollbarWidths);
+
+				// doing the scrollbar compensation might have created text overflow which created more height. redo
+				scrollerHeight = this.computeScrollerHeight(totalHeight);
+				this.scroller.setHeight(scrollerHeight);
+			}
+
+			// guarantees the same scrollbar widths
+			this.scroller.lockOverflow(scrollbarWidths);
 		}
 	},
 
 
+	// given a desired total height of the view, returns what the height of the scroller should be
+	computeScrollerHeight: function(totalHeight) {
+		return totalHeight -
+			subtractInnerElHeight(this.el, this.scroller.el); // everything that's NOT the scroller
+	},
+
+
 	// Sets the height of just the DayGrid component in this view
 	setGridHeight: function(height, isAuto) {
 		if (isAuto) {
@@ -11133,6 +11865,20 @@ var BasicView = FC.BasicView = View.extend({
 	},
 
 
+	/* Scroll
+	------------------------------------------------------------------------------------------------------------------*/
+
+
+	queryScroll: function() {
+		return this.scroller.getScrollTop();
+	},
+
+
+	setScroll: function(top) {
+		this.scroller.setScrollTop(top);
+	},
+
+
 	/* Hit Areas
 	------------------------------------------------------------------------------------------------------------------*/
 	// forward all hit-related method calls to dayGrid
@@ -11368,6 +12114,8 @@ fcViews.month = {
 
 var AgendaView = FC.AgendaView = View.extend({
 
+	scroller: null,
+
 	timeGridClass: TimeGrid, // class used to instantiate the timeGrid. subclasses can override
 	timeGrid: null, // the main time-grid subcomponent of this view
 
@@ -11377,11 +12125,10 @@ var AgendaView = FC.AgendaView = View.extend({
 	axisWidth: null, // the width of the time axis running down the side
 
 	headContainerEl: null, // div that hold's the timeGrid's rendered date header
-	noScrollRowEls: null, // set of fake row elements that must compensate when scrollerEl has scrollbars
+	noScrollRowEls: null, // set of fake row elements that must compensate when scroller has scrollbars
 
 	// when the time-grid isn't tall enough to occupy the given height, we render an <hr> underneath
 	bottomRuleEl: null,
-	bottomRuleHeight: null,
 
 
 	initialize: function() {
@@ -11390,6 +12137,11 @@ var AgendaView = FC.AgendaView = View.extend({
 		if (this.opt('allDaySlot')) { // should we display the "all-day" area?
 			this.dayGrid = this.instantiateDayGrid(); // the all-day subcomponent of this view
 		}
+
+		this.scroller = new Scroller({
+			overflowX: 'hidden',
+			overflowY: 'auto'
+		});
 	},
 
 
@@ -11430,10 +12182,12 @@ var AgendaView = FC.AgendaView = View.extend({
 		this.el.addClass('fc-agenda-view').html(this.renderSkeletonHtml());
 		this.renderHead();
 
-		// the element that wraps the time-grid that will probably scroll
-		this.scrollerEl = this.el.find('.fc-time-grid-container');
+		this.scroller.render();
+		var timeGridWrapEl = this.scroller.el.addClass('fc-time-grid-container');
+		var timeGridEl = $('<div class="fc-time-grid" />').appendTo(timeGridWrapEl);
+		this.el.find('.fc-body > tr > td').append(timeGridWrapEl);
 
-		this.timeGrid.setElement(this.el.find('.fc-time-grid'));
+		this.timeGrid.setElement(timeGridEl);
 		this.timeGrid.renderDates();
 
 		// the <hr> that sometimes displays under the time-grid
@@ -11470,6 +12224,8 @@ var AgendaView = FC.AgendaView = View.extend({
 			this.dayGrid.unrenderDates();
 			this.dayGrid.removeElement();
 		}
+
+		this.scroller.destroy();
 	},
 
 
@@ -11491,9 +12247,6 @@ var AgendaView = FC.AgendaView = View.extend({
 								'<hr class="fc-divider ' + this.widgetHeaderClass + '"/>' :
 								''
 								) +
-							'<div class="fc-time-grid-container">' +
-								'<div class="fc-time-grid"/>' +
-							'</div>' +
 						'</td>' +
 					'</tr>' +
 				'</tbody>' +
@@ -11573,16 +12326,11 @@ var AgendaView = FC.AgendaView = View.extend({
 	setHeight: function(totalHeight, isAuto) {
 		var eventLimit;
 		var scrollerHeight;
-
-		if (this.bottomRuleHeight === null) {
-			// calculate the height of the rule the very first time
-			this.bottomRuleHeight = this.bottomRuleEl.outerHeight();
-		}
-		this.bottomRuleEl.hide(); // .show() will be called later if this <hr> is necessary
+		var scrollbarWidths;
 
 		// reset all dimensions back to the original state
-		this.scrollerEl.css('overflow', '');
-		unsetScroller(this.scrollerEl);
+		this.bottomRuleEl.hide(); // .show() will be called later if this <hr> is necessary
+		this.scroller.clear(); // sets height to 'auto' and clears overflow
 		uncompensateScroll(this.noScrollRowEls);
 
 		// limit number of events in the all-day area
@@ -11598,28 +12346,46 @@ var AgendaView = FC.AgendaView = View.extend({
 			}
 		}
 
-		if (!isAuto) { // should we force dimensions of the scroll container, or let the contents be natural height?
+		if (!isAuto) { // should we force dimensions of the scroll container?
 
 			scrollerHeight = this.computeScrollerHeight(totalHeight);
-			if (setPotentialScroller(this.scrollerEl, scrollerHeight)) { // using scrollbars?
+			this.scroller.setHeight(scrollerHeight);
+			scrollbarWidths = this.scroller.getScrollbarWidths();
+
+			if (scrollbarWidths.left || scrollbarWidths.right) { // using scrollbars?
 
 				// make the all-day and header rows lines up
-				compensateScroll(this.noScrollRowEls, getScrollbarWidths(this.scrollerEl));
+				compensateScroll(this.noScrollRowEls, scrollbarWidths);
 
 				// the scrollbar compensation might have changed text flow, which might affect height, so recalculate
 				// and reapply the desired height to the scroller.
 				scrollerHeight = this.computeScrollerHeight(totalHeight);
-				this.scrollerEl.height(scrollerHeight);
+				this.scroller.setHeight(scrollerHeight);
 			}
-			else { // no scrollbars
-				// still, force a height and display the bottom rule (marks the end of day)
-				this.scrollerEl.height(scrollerHeight).css('overflow', 'hidden'); // in case <hr> goes outside
+
+			// guarantees the same scrollbar widths
+			this.scroller.lockOverflow(scrollbarWidths);
+
+			// if there's any space below the slats, show the horizontal rule.
+			// this won't cause any new overflow, because lockOverflow already called.
+			if (this.timeGrid.getTotalSlatHeight() < scrollerHeight) {
 				this.bottomRuleEl.show();
 			}
 		}
 	},
 
 
+	// given a desired total height of the view, returns what the height of the scroller should be
+	computeScrollerHeight: function(totalHeight) {
+		return totalHeight -
+			subtractInnerElHeight(this.el, this.scroller.el); // everything that's NOT the scroller
+	},
+
+
+	/* Scroll
+	------------------------------------------------------------------------------------------------------------------*/
+
+
 	// Computes the initial pre-configured scroll state prior to allowing the user to change it
 	computeInitialScroll: function() {
 		var scrollTime = moment.duration(this.opt('scrollTime'));
@@ -11636,6 +12402,16 @@ var AgendaView = FC.AgendaView = View.extend({
 	},
 
 
+	queryScroll: function() {
+		return this.scroller.getScrollTop();
+	},
+
+
+	setScroll: function(top) {
+		this.scroller.setScrollTop(top);
+	},
+
+
 	/* Hit Areas
 	------------------------------------------------------------------------------------------------------------------*/
 	// forward all hit-related method calls to the grids (dayGrid might not be defined)
-- 
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