text: /*!
   * OOjs v1.1.9 optimised for jQuery
   * https://www.mediawiki.org/wiki/OOjs
   *
   * Copyright 2011-2015 OOjs Team and other contributors.
   * Released under the MIT license
   * http://oojs.mit-license.org
   *
   * Date: 2015-08-25T21:35:29Z
   */
  ( function ( global ) {
  
  'use strict';
  
  /*exported toString */
  var
  	/**
  	 * Namespace for all classes, static methods and static properties.
  	 * @class OO
  	 * @singleton
  	 */
  	oo = {},
  	// Optimisation: Local reference to Object.prototype.hasOwnProperty
  	hasOwn = oo.hasOwnProperty,
  	toString = oo.toString,
  	// Object.create() is impossible to fully polyfill, so don't require it
  	createObject = Object.create || ( function () {
  		// Reusable constructor function
  		function Empty() {}
  		return function ( prototype, properties ) {
  			var obj;
  			Empty.prototype = prototype;
  			obj = new Empty();
  			if ( properties && hasOwn.call( properties, 'constructor' ) ) {
  				obj.constructor = properties.constructor.value;
  			}
  			return obj;
  		};
  	} )();
  
  /* Class Methods */
  
  /**
   * Utility to initialize a class for OO inheritance.
   *
   * Currently this just initializes an empty static object.
   *
   * @param {Function} fn
   */
  oo.initClass = function ( fn ) {
  	fn.static = fn.static || {};
  };
  
  /**
   * Inherit from prototype to another using Object#create.
   *
   * Beware: This redefines the prototype, call before setting your prototypes.
   *
   * Beware: This redefines the prototype, can only be called once on a function.
   * If called multiple times on the same function, the previous prototype is lost.
   * This is how prototypal inheritance works, it can only be one straight chain
   * (just like classical inheritance in PHP for example). If you need to work with
   * multiple constructors consider storing an instance of the other constructor in a
   * property instead, or perhaps use a mixin (see OO.mixinClass).
   *
   *     function Thing() {}
   *     Thing.prototype.exists = function () {};
   *
   *     function Person() {
   *         Person.super.apply( this, arguments );
   *     }
   *     OO.inheritClass( Person, Thing );
   *     Person.static.defaultEyeCount = 2;
   *     Person.prototype.walk = function () {};
   *
   *     function Jumper() {
   *         Jumper.super.apply( this, arguments );
   *     }
   *     OO.inheritClass( Jumper, Person );
   *     Jumper.prototype.jump = function () {};
   *
   *     Jumper.static.defaultEyeCount === 2;
   *     var x = new Jumper();
   *     x.jump();
   *     x.walk();
   *     x instanceof Thing && x instanceof Person && x instanceof Jumper;
   *
   * @param {Function} targetFn
   * @param {Function} originFn
   * @throws {Error} If target already inherits from origin
   */
  oo.inheritClass = function ( targetFn, originFn ) {
  	if ( targetFn.prototype instanceof originFn ) {
  		throw new Error( 'Target already inherits from origin' );
  	}
  
  	var targetConstructor = targetFn.prototype.constructor;
  
  	// Using ['super'] instead of .super because 'super' is not supported
  	// by IE 8 and below (bug 63303).
  	// Provide .parent as alias for code supporting older browsers which
  	// allows people to comply with their style guide.
  	targetFn['super'] = targetFn.parent = originFn;
  
  	targetFn.prototype = createObject( originFn.prototype, {
  		// Restore constructor property of targetFn
  		constructor: {
  			value: targetConstructor,
  			enumerable: false,
  			writable: true,
  			configurable: true
  		}
  	} );
  
  	// Extend static properties - always initialize both sides
  	oo.initClass( originFn );
  	targetFn.static = createObject( originFn.static );
  };
  
  /**
   * Copy over *own* prototype properties of a mixin.
   *
   * The 'constructor' (whether implicit or explicit) is not copied over.
   *
   * This does not create inheritance to the origin. If you need inheritance,
   * use OO.inheritClass instead.
   *
   * Beware: This can redefine a prototype property, call before setting your prototypes.
   *
   * Beware: Don't call before OO.inheritClass.
   *
   *     function Foo() {}
   *     function Context() {}
   *
   *     // Avoid repeating this code
   *     function ContextLazyLoad() {}
   *     ContextLazyLoad.prototype.getContext = function () {
   *         if ( !this.context ) {
   *             this.context = new Context();
   *         }
   *         return this.context;
   *     };
   *
   *     function FooBar() {}
   *     OO.inheritClass( FooBar, Foo );
   *     OO.mixinClass( FooBar, ContextLazyLoad );
   *
   * @param {Function} targetFn
   * @param {Function} originFn
   */
  oo.mixinClass = function ( targetFn, originFn ) {
  	var key;
  
  	// Copy prototype properties
  	for ( key in originFn.prototype ) {
  		if ( key !== 'constructor' && hasOwn.call( originFn.prototype, key ) ) {
  			targetFn.prototype[key] = originFn.prototype[key];
  		}
  	}
  
  	// Copy static properties - always initialize both sides
  	oo.initClass( targetFn );
  	if ( originFn.static ) {
  		for ( key in originFn.static ) {
  			if ( hasOwn.call( originFn.static, key ) ) {
  				targetFn.static[key] = originFn.static[key];
  			}
  		}
  	} else {
  		oo.initClass( originFn );
  	}
  };
  
  /* Object Methods */
  
  /**
   * Get a deeply nested property of an object using variadic arguments, protecting against
   * undefined property errors.
   *
   * `quux = oo.getProp( obj, 'foo', 'bar', 'baz' );` is equivalent to `quux = obj.foo.bar.baz;`
   * except that the former protects against JS errors if one of the intermediate properties
   * is undefined. Instead of throwing an error, this function will return undefined in
   * that case.
   *
   * @param {Object} obj
   * @param {Mixed...} [keys]
   * @return obj[arguments[1]][arguments[2]].... or undefined
   */
  oo.getProp = function ( obj ) {
  	var i,
  		retval = obj;
  	for ( i = 1; i < arguments.length; i++ ) {
  		if ( retval === undefined || retval === null ) {
  			// Trying to access a property of undefined or null causes an error
  			return undefined;
  		}
  		retval = retval[arguments[i]];
  	}
  	return retval;
  };
  
  /**
   * Set a deeply nested property of an object using variadic arguments, protecting against
   * undefined property errors.
   *
   * `oo.setProp( obj, 'foo', 'bar', 'baz' );` is equivalent to `obj.foo.bar = baz;` except that
   * the former protects against JS errors if one of the intermediate properties is
   * undefined. Instead of throwing an error, undefined intermediate properties will be
   * initialized to an empty object. If an intermediate property is not an object, or if obj itself
   * is not an object, this function will silently abort.
   *
   * @param {Object} obj
   * @param {Mixed...} [keys]
   * @param {Mixed} [value]
   */
  oo.setProp = function ( obj ) {
  	var i,
  		prop = obj;
  	if ( Object( obj ) !== obj ) {
  		return;
  	}
  	for ( i = 1; i < arguments.length - 2; i++ ) {
  		if ( prop[arguments[i]] === undefined ) {
  			prop[arguments[i]] = {};
  		}
  		if ( Object( prop[arguments[i]] ) !== prop[arguments[i]] ) {
  			return;
  		}
  		prop = prop[arguments[i]];
  	}
  	prop[arguments[arguments.length - 2]] = arguments[arguments.length - 1];
  };
  
  /**
   * Create a new object that is an instance of the same
   * constructor as the input, inherits from the same object
   * and contains the same own properties.
   *
   * This makes a shallow non-recursive copy of own properties.
   * To create a recursive copy of plain objects, use #copy.
   *
   *     var foo = new Person( mom, dad );
   *     foo.setAge( 21 );
   *     var foo2 = OO.cloneObject( foo );
   *     foo.setAge( 22 );
   *
   *     // Then
   *     foo2 !== foo; // true
   *     foo2 instanceof Person; // true
   *     foo2.getAge(); // 21
   *     foo.getAge(); // 22
   *
   * @param {Object} origin
   * @return {Object} Clone of origin
   */
  oo.cloneObject = function ( origin ) {
  	var key, r;
  
  	r = createObject( origin.constructor.prototype );
  
  	for ( key in origin ) {
  		if ( hasOwn.call( origin, key ) ) {
  			r[key] = origin[key];
  		}
  	}
  
  	return r;
  };
  
  /**
   * Get an array of all property values in an object.
   *
   * @param {Object} Object to get values from
   * @return {Array} List of object values
   */
  oo.getObjectValues = function ( obj ) {
  	var key, values;
  
  	if ( obj !== Object( obj ) ) {
  		throw new TypeError( 'Called on non-object' );
  	}
  
  	values = [];
  	for ( key in obj ) {
  		if ( hasOwn.call( obj, key ) ) {
  			values[values.length] = obj[key];
  		}
  	}
  
  	return values;
  };
  
  /**
   * Recursively compare properties between two objects.
   *
   * A false result may be caused by property inequality or by properties in one object missing from
   * the other. An asymmetrical test may also be performed, which checks only that properties in the
   * first object are present in the second object, but not the inverse.
   *
   * If either a or b is null or undefined it will be treated as an empty object.
   *
   * @param {Object|undefined|null} a First object to compare
   * @param {Object|undefined|null} b Second object to compare
   * @param {boolean} [asymmetrical] Whether to check only that a's values are equal to b's
   *  (i.e. a is a subset of b)
   * @return {boolean} If the objects contain the same values as each other
   */
  oo.compare = function ( a, b, asymmetrical ) {
  	var aValue, bValue, aType, bType, k;
  
  	if ( a === b ) {
  		return true;
  	}
  
  	a = a || {};
  	b = b || {};
  
  	if ( typeof a.nodeType === 'number' && typeof a.isEqualNode === 'function' ) {
  		return a.isEqualNode( b );
  	}
  
  	for ( k in a ) {
  		if ( !hasOwn.call( a, k ) || a[k] === undefined || a[k] === b[k] ) {
  			// Support es3-shim: Without the hasOwn filter, comparing [] to {} will be false in ES3
  			// because the shimmed "forEach" is enumerable and shows up in Array but not Object.
  			// Also ignore undefined values, because there is no conceptual difference between
  			// a key that is absent and a key that is present but whose value is undefined.
  			continue;
  		}
  
  		aValue = a[k];
  		bValue = b[k];
  		aType = typeof aValue;
  		bType = typeof bValue;
  		if ( aType !== bType ||
  			(
  				( aType === 'string' || aType === 'number' || aType === 'boolean' ) &&
  				aValue !== bValue
  			) ||
  			( aValue === Object( aValue ) && !oo.compare( aValue, bValue, true ) ) ) {
  			return false;
  		}
  	}
  	// If the check is not asymmetrical, recursing with the arguments swapped will verify our result
  	return asymmetrical ? true : oo.compare( b, a, true );
  };
  
  /**
   * Create a plain deep copy of any kind of object.
   *
   * Copies are deep, and will either be an object or an array depending on `source`.
   *
   * @param {Object} source Object to copy
   * @param {Function} [leafCallback] Applied to leaf values after they are cloned but before they are added to the clone
   * @param {Function} [nodeCallback] Applied to all values before they are cloned.  If the nodeCallback returns a value other than undefined, the returned value is used instead of attempting to clone.
   * @return {Object} Copy of source object
   */
  oo.copy = function ( source, leafCallback, nodeCallback ) {
  	var key, destination;
  
  	if ( nodeCallback ) {
  		// Extensibility: check before attempting to clone source.
  		destination = nodeCallback( source );
  		if ( destination !== undefined ) {
  			return destination;
  		}
  	}
  
  	if ( Array.isArray( source ) ) {
  		// Array (fall through)
  		destination = new Array( source.length );
  	} else if ( source && typeof source.clone === 'function' ) {
  		// Duck type object with custom clone method
  		return leafCallback ? leafCallback( source.clone() ) : source.clone();
  	} else if ( source && typeof source.cloneNode === 'function' ) {
  		// DOM Node
  		return leafCallback ?
  			leafCallback( source.cloneNode( true ) ) :
  			source.cloneNode( true );
  	} else if ( oo.isPlainObject( source ) ) {
  		// Plain objects (fall through)
  		destination = {};
  	} else {
  		// Non-plain objects (incl. functions) and primitive values
  		return leafCallback ? leafCallback( source ) : source;
  	}
  
  	// source is an array or a plain object
  	for ( key in source ) {
  		destination[key] = oo.copy( source[key], leafCallback, nodeCallback );
  	}
  
  	// This is an internal node, so we don't apply the leafCallback.
  	return destination;
  };
  
  /**
   * Generate a hash of an object based on its name and data.
   *
   * Performance optimization: <http://jsperf.com/ve-gethash-201208#/toJson_fnReplacerIfAoForElse>
   *
   * To avoid two objects with the same values generating different hashes, we utilize the replacer
   * argument of JSON.stringify and sort the object by key as it's being serialized. This may or may
   * not be the fastest way to do this; we should investigate this further.
   *
   * Objects and arrays are hashed recursively. When hashing an object that has a .getHash()
   * function, we call that function and use its return value rather than hashing the object
   * ourselves. This allows classes to define custom hashing.
   *
   * @param {Object} val Object to generate hash for
   * @return {string} Hash of object
   */
  oo.getHash = function ( val ) {
  	return JSON.stringify( val, oo.getHash.keySortReplacer );
  };
  
  /**
   * Sort objects by key (helper function for OO.getHash).
   *
   * This is a callback passed into JSON.stringify.
   *
   * @method getHash_keySortReplacer
   * @param {string} key Property name of value being replaced
   * @param {Mixed} val Property value to replace
   * @return {Mixed} Replacement value
   */
  oo.getHash.keySortReplacer = function ( key, val ) {
  	var normalized, keys, i, len;
  	if ( val && typeof val.getHashObject === 'function' ) {
  		// This object has its own custom hash function, use it
  		val = val.getHashObject();
  	}
  	if ( !Array.isArray( val ) && Object( val ) === val ) {
  		// Only normalize objects when the key-order is ambiguous
  		// (e.g. any object not an array).
  		normalized = {};
  		keys = Object.keys( val ).sort();
  		i = 0;
  		len = keys.length;
  		for ( ; i < len; i += 1 ) {
  			normalized[keys[i]] = val[keys[i]];
  		}
  		return normalized;
  
  	// Primitive values and arrays get stable hashes
  	// by default. Lets those be stringified as-is.
  	} else {
  		return val;
  	}
  };
  
  /**
   * Get the unique values of an array, removing duplicates
   *
   * @param {Array} arr Array
   * @return {Array} Unique values in array
   */
  oo.unique = function ( arr ) {
  	return arr.reduce( function ( result, current ) {
  		if ( result.indexOf( current ) === -1 ) {
  			result.push( current );
  		}
  		return result;
  	}, [] );
  };
  
  /**
   * Compute the union (duplicate-free merge) of a set of arrays.
   *
   * Arrays values must be convertable to object keys (strings).
   *
   * By building an object (with the values for keys) in parallel with
   * the array, a new item's existence in the union can be computed faster.
   *
   * @param {Array...} arrays Arrays to union
   * @return {Array} Union of the arrays
   */
  oo.simpleArrayUnion = function () {
  	var i, ilen, arr, j, jlen,
  		obj = {},
  		result = [];
  
  	for ( i = 0, ilen = arguments.length; i < ilen; i++ ) {
  		arr = arguments[i];
  		for ( j = 0, jlen = arr.length; j < jlen; j++ ) {
  			if ( !obj[ arr[j] ] ) {
  				obj[ arr[j] ] = true;
  				result.push( arr[j] );
  			}
  		}
  	}
  
  	return result;
  };
  
  /**
   * Combine arrays (intersection or difference).
   *
   * An intersection checks the item exists in 'b' while difference checks it doesn't.
   *
   * Arrays values must be convertable to object keys (strings).
   *
   * By building an object (with the values for keys) of 'b' we can
   * compute the result faster.
   *
   * @private
   * @param {Array} a First array
   * @param {Array} b Second array
   * @param {boolean} includeB Whether to items in 'b'
   * @return {Array} Combination (intersection or difference) of arrays
   */
  function simpleArrayCombine( a, b, includeB ) {
  	var i, ilen, isInB,
  		bObj = {},
  		result = [];
  
  	for ( i = 0, ilen = b.length; i < ilen; i++ ) {
  		bObj[ b[i] ] = true;
  	}
  
  	for ( i = 0, ilen = a.length; i < ilen; i++ ) {
  		isInB = !!bObj[ a[i] ];
  		if ( isInB === includeB ) {
  			result.push( a[i] );
  		}
  	}
  
  	return result;
  }
  
  /**
   * Compute the intersection of two arrays (items in both arrays).
   *
   * Arrays values must be convertable to object keys (strings).
   *
   * @param {Array} a First array
   * @param {Array} b Second array
   * @return {Array} Intersection of arrays
   */
  oo.simpleArrayIntersection = function ( a, b ) {
  	return simpleArrayCombine( a, b, true );
  };
  
  /**
   * Compute the difference of two arrays (items in 'a' but not 'b').
   *
   * Arrays values must be convertable to object keys (strings).
   *
   * @param {Array} a First array
   * @param {Array} b Second array
   * @return {Array} Intersection of arrays
   */
  oo.simpleArrayDifference = function ( a, b ) {
  	return simpleArrayCombine( a, b, false );
  };
  
  /*global $ */
  
  oo.isPlainObject = $.isPlainObject;
  
  /*global hasOwn */
  
  ( function () {
  
  	/**
  	 * @class OO.EventEmitter
  	 *
  	 * @constructor
  	 */
  	oo.EventEmitter = function OoEventEmitter() {
  		// Properties
  
  		/**
  		 * Storage of bound event handlers by event name.
  		 *
  		 * @property
  		 */
  		this.bindings = {};
  	};
  
  	oo.initClass( oo.EventEmitter );
  
  	/* Private helper functions */
  
  	/**
  	 * Validate a function or method call in a context
  	 *
  	 * For a method name, check that it names a function in the context object
  	 *
  	 * @private
  	 * @param {Function|string} method Function or method name
  	 * @param {Mixed} context The context of the call
  	 * @throws {Error} A method name is given but there is no context
  	 * @throws {Error} In the context object, no property exists with the given name
  	 * @throws {Error} In the context object, the named property is not a function
  	 */
  	function validateMethod( method, context ) {
  		// Validate method and context
  		if ( typeof method === 'string' ) {
  			// Validate method
  			if ( context === undefined || context === null ) {
  				throw new Error( 'Method name "' + method + '" has no context.' );
  			}
  			if ( typeof context[method] !== 'function' ) {
  				// Technically the property could be replaced by a function before
  				// call time. But this probably signals a typo.
  				throw new Error( 'Property "' + method + '" is not a function' );
  			}
  		} else if ( typeof method !== 'function' ) {
  			throw new Error( 'Invalid callback. Function or method name expected.' );
  		}
  	}
  
  	/* Methods */
  
  	/**
  	 * Add a listener to events of a specific event.
  	 *
  	 * The listener can be a function or the string name of a method; if the latter, then the
  	 * name lookup happens at the time the listener is called.
  	 *
  	 * @param {string} event Type of event to listen to
  	 * @param {Function|string} method Function or method name to call when event occurs
  	 * @param {Array} [args] Arguments to pass to listener, will be prepended to emitted arguments
  	 * @param {Object} [context=null] Context object for function or method call
  	 * @throws {Error} Listener argument is not a function or a valid method name
  	 * @chainable
  	 */
  	oo.EventEmitter.prototype.on = function ( event, method, args, context ) {
  		var bindings;
  
  		validateMethod( method, context );
  
  		if ( hasOwn.call( this.bindings, event ) ) {
  			bindings = this.bindings[event];
  		} else {
  			// Auto-initialize bindings list
  			bindings = this.bindings[event] = [];
  		}
  		// Add binding
  		bindings.push( {
  			method: method,
  			args: args,
  			context: ( arguments.length < 4 ) ? null : context
  		} );
  		return this;
  	};
  
  	/**
  	 * Add a one-time listener to a specific event.
  	 *
  	 * @param {string} event Type of event to listen to
  	 * @param {Function} listener Listener to call when event occurs
  	 * @chainable
  	 */
  	oo.EventEmitter.prototype.once = function ( event, listener ) {
  		var eventEmitter = this,
  			wrapper = function () {
  				eventEmitter.off( event, wrapper );
  				return listener.apply( this, arguments );
  			};
  		return this.on( event, wrapper );
  	};
  
  	/**
  	 * Remove a specific listener from a specific event.
  	 *
  	 * @param {string} event Type of event to remove listener from
  	 * @param {Function|string} [method] Listener to remove. Must be in the same form as was passed
  	 * to "on". Omit to remove all listeners.
  	 * @param {Object} [context=null] Context object function or method call
  	 * @chainable
  	 * @throws {Error} Listener argument is not a function or a valid method name
  	 */
  	oo.EventEmitter.prototype.off = function ( event, method, context ) {
  		var i, bindings;
  
  		if ( arguments.length === 1 ) {
  			// Remove all bindings for event
  			delete this.bindings[event];
  			return this;
  		}
  
  		validateMethod( method, context );
  
  		if ( !hasOwn.call( this.bindings, event ) || !this.bindings[event].length ) {
  			// No matching bindings
  			return this;
  		}
  
  		// Default to null context
  		if ( arguments.length < 3 ) {
  			context = null;
  		}
  
  		// Remove matching handlers
  		bindings = this.bindings[event];
  		i = bindings.length;
  		while ( i-- ) {
  			if ( bindings[i].method === method && bindings[i].context === context ) {
  				bindings.splice( i, 1 );
  			}
  		}
  
  		// Cleanup if now empty
  		if ( bindings.length === 0 ) {
  			delete this.bindings[event];
  		}
  		return this;
  	};
  
  	/**
  	 * Emit an event.
  	 *
  	 * @param {string} event Type of event
  	 * @param {Mixed} args First in a list of variadic arguments passed to event handler (optional)
  	 * @return {boolean} Whether the event was handled by at least one listener
  	 */
  	oo.EventEmitter.prototype.emit = function ( event ) {
  		var args = [],
  			i, len, binding, bindings, method;
  
  		if ( hasOwn.call( this.bindings, event ) ) {
  			// Slicing ensures that we don't get tripped up by event handlers that add/remove bindings
  			bindings = this.bindings[event].slice();
  			for ( i = 1, len = arguments.length; i < len; i++ ) {
  				args.push( arguments[i] );
  			}
  			for ( i = 0, len = bindings.length; i < len; i++ ) {
  				binding = bindings[i];
  				if ( typeof binding.method === 'string' ) {
  					// Lookup method by name (late binding)
  					method = binding.context[ binding.method ];
  				} else {
  					method = binding.method;
  				}
  				method.apply(
  					binding.context,
  					binding.args ? binding.args.concat( args ) : args
  				);
  			}
  			return true;
  		}
  		return false;
  	};
  
  	/**
  	 * Connect event handlers to an object.
  	 *
  	 * @param {Object} context Object to call methods on when events occur
  	 * @param {Object.<string,string>|Object.<string,Function>|Object.<string,Array>} methods List of
  	 *  event bindings keyed by event name containing either method names, functions or arrays containing
  	 *  method name or function followed by a list of arguments to be passed to callback before emitted
  	 *  arguments
  	 * @chainable
  	 */
  	oo.EventEmitter.prototype.connect = function ( context, methods ) {
  		var method, args, event;
  
  		for ( event in methods ) {
  			method = methods[event];
  			// Allow providing additional args
  			if ( Array.isArray( method ) ) {
  				args = method.slice( 1 );
  				method = method[0];
  			} else {
  				args = [];
  			}
  			// Add binding
  			this.on( event, method, args, context );
  		}
  		return this;
  	};
  
  	/**
  	 * Disconnect event handlers from an object.
  	 *
  	 * @param {Object} context Object to disconnect methods from
  	 * @param {Object.<string,string>|Object.<string,Function>|Object.<string,Array>} [methods] List of
  	 * event bindings keyed by event name. Values can be either method names or functions, but must be
  	 * consistent with those used in the corresponding call to "connect".
  	 * @chainable
  	 */
  	oo.EventEmitter.prototype.disconnect = function ( context, methods ) {
  		var i, event, bindings;
  
  		if ( methods ) {
  			// Remove specific connections to the context
  			for ( event in methods ) {
  				this.off( event, methods[event], context );
  			}
  		} else {
  			// Remove all connections to the context
  			for ( event in this.bindings ) {
  				bindings = this.bindings[event];
  				i = bindings.length;
  				while ( i-- ) {
  					// bindings[i] may have been removed by the previous step's
  					// this.off so check it still exists
  					if ( bindings[i] && bindings[i].context === context ) {
  						this.off( event, bindings[i].method, context );
  					}
  				}
  			}
  		}
  
  		return this;
  	};
  
  }() );
  
  /*global hasOwn */
  
  /**
   * @class OO.Registry
   * @mixins OO.EventEmitter
   *
   * @constructor
   */
  oo.Registry = function OoRegistry() {
  	// Mixin constructors
  	oo.EventEmitter.call( this );
  
  	// Properties
  	this.registry = {};
  };
  
  /* Inheritance */
  
  oo.mixinClass( oo.Registry, oo.EventEmitter );
  
  /* Events */
  
  /**
   * @event register
   * @param {string} name
   * @param {Mixed} data
   */
  
  /**
   * @event unregister
   * @param {string} name
   * @param {Mixed} data Data removed from registry
   */
  
  /* Methods */
  
  /**
   * Associate one or more symbolic names with some data.
   *
   * Any existing entry with the same name will be overridden.
   *
   * @param {string|string[]} name Symbolic name or list of symbolic names
   * @param {Mixed} data Data to associate with symbolic name
   * @fires register
   * @throws {Error} Name argument must be a string or array
   */
  oo.Registry.prototype.register = function ( name, data ) {
  	var i, len;
  	if ( typeof name === 'string' ) {
  		this.registry[name] = data;
  		this.emit( 'register', name, data );
  	} else if ( Array.isArray( name ) ) {
  		for ( i = 0, len = name.length; i < len; i++ ) {
  			this.register( name[i], data );
  		}
  	} else {
  		throw new Error( 'Name must be a string or array, cannot be a ' + typeof name );
  	}
  };
  
  /**
   * Remove one or more symbolic names from the registry
   *
   * @param {string|string[]} name Symbolic name or list of symbolic names
   * @fires unregister
   * @throws {Error} Name argument must be a string or array
   */
  oo.Registry.prototype.unregister = function ( name ) {
  	var i, len, data;
  	if ( typeof name === 'string' ) {
  		data = this.lookup( name );
  		if ( data !== undefined ) {
  			delete this.registry[name];
  			this.emit( 'unregister', name, data );
  		}
  	} else if ( Array.isArray( name ) ) {
  		for ( i = 0, len = name.length; i < len; i++ ) {
  			this.unregister( name[i] );
  		}
  	} else {
  		throw new Error( 'Name must be a string or array, cannot be a ' + typeof name );
  	}
  };
  
  /**
   * Get data for a given symbolic name.
   *
   * @param {string} name Symbolic name
   * @return {Mixed|undefined} Data associated with symbolic name
   */
  oo.Registry.prototype.lookup = function ( name ) {
  	if ( hasOwn.call( this.registry, name ) ) {
  		return this.registry[name];
  	}
  };
  
  /*global createObject */
  
  /**
   * @class OO.Factory
   * @extends OO.Registry
   *
   * @constructor
   */
  oo.Factory = function OoFactory() {
  	// Parent constructor
  	oo.Factory.parent.call( this );
  };
  
  /* Inheritance */
  
  oo.inheritClass( oo.Factory, oo.Registry );
  
  /* Methods */
  
  /**
   * Register a constructor with the factory.
   *
   * Classes must have a static `name` property to be registered.
   *
   *     function MyClass() {};
   *     OO.initClass( MyClass );
   *     // Adds a static property to the class defining a symbolic name
   *     MyClass.static.name = 'mine';
   *     // Registers class with factory, available via symbolic name 'mine'
   *     factory.register( MyClass );
   *
   * @param {Function} constructor Constructor to use when creating object
   * @throws {Error} Name must be a string and must not be empty
   * @throws {Error} Constructor must be a function
   */
  oo.Factory.prototype.register = function ( constructor ) {
  	var name;
  
  	if ( typeof constructor !== 'function' ) {
  		throw new Error( 'constructor must be a function, cannot be a ' + typeof constructor );
  	}
  	name = constructor.static && constructor.static.name;
  	if ( typeof name !== 'string' || name === '' ) {
  		throw new Error( 'Name must be a string and must not be empty' );
  	}
  
  	// Parent method
  	oo.Factory.parent.prototype.register.call( this, name, constructor );
  };
  
  /**
   * Unregister a constructor from the factory.
   *
   * @param {Function} constructor Constructor to unregister
   * @throws {Error} Name must be a string and must not be empty
   * @throws {Error} Constructor must be a function
   */
  oo.Factory.prototype.unregister = function ( constructor ) {
  	var name;
  
  	if ( typeof constructor !== 'function' ) {
  		throw new Error( 'constructor must be a function, cannot be a ' + typeof constructor );
  	}
  	name = constructor.static && constructor.static.name;
  	if ( typeof name !== 'string' || name === '' ) {
  		throw new Error( 'Name must be a string and must not be empty' );
  	}
  
  	// Parent method
  	oo.Factory.parent.prototype.unregister.call( this, name );
  };
  
  /**
   * Create an object based on a name.
   *
   * Name is used to look up the constructor to use, while all additional arguments are passed to the
   * constructor directly, so leaving one out will pass an undefined to the constructor.
   *
   * @param {string} name Object name
   * @param {Mixed...} [args] Arguments to pass to the constructor
   * @return {Object} The new object
   * @throws {Error} Unknown object name
   */
  oo.Factory.prototype.create = function ( name ) {
  	var obj, i,
  		args = [],
  		constructor = this.lookup( name );
  
  	if ( !constructor ) {
  		throw new Error( 'No class registered by that name: ' + name );
  	}
  
  	// Convert arguments to array and shift the first argument (name) off
  	for ( i = 1; i < arguments.length; i++ ) {
  		args.push( arguments[i] );
  	}
  
  	// We can't use the "new" operator with .apply directly because apply needs a
  	// context. So instead just do what "new" does: create an object that inherits from
  	// the constructor's prototype (which also makes it an "instanceof" the constructor),
  	// then invoke the constructor with the object as context, and return it (ignoring
  	// the constructor's return value).
  	obj = createObject( constructor.prototype );
  	constructor.apply( obj, args );
  	return obj;
  };
  
  /*jshint node:true */
  if ( typeof module !== 'undefined' && module.exports ) {
  	module.exports = oo;
  } else {
  	global.OO = oo;
  }
  
  }( this ) );
  