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From jo...@apache.org
Subject [26/27] struts git commit: Upgrade angular archetype to use latest AngularJS version 1.5
Date Tue, 15 Mar 2016 18:37:56 GMT
http://git-wip-us.apache.org/repos/asf/struts/blob/d358f1f7/archetypes/struts2-archetype-angularjs/src/main/resources/archetype-resources/src/main/webapp/js/lib/angular/angular-animate.js
----------------------------------------------------------------------
diff --git a/archetypes/struts2-archetype-angularjs/src/main/resources/archetype-resources/src/main/webapp/js/lib/angular/angular-animate.js b/archetypes/struts2-archetype-angularjs/src/main/resources/archetype-resources/src/main/webapp/js/lib/angular/angular-animate.js
index b19f02d..2778fc5 100644
--- a/archetypes/struts2-archetype-angularjs/src/main/resources/archetype-resources/src/main/webapp/js/lib/angular/angular-animate.js
+++ b/archetypes/struts2-archetype-angularjs/src/main/resources/archetype-resources/src/main/webapp/js/lib/angular/angular-animate.js
@@ -1,12 +1,13 @@
 /**
- * @license AngularJS v1.4.5
- * (c) 2010-2015 Google, Inc. http://angularjs.org
+ * @license AngularJS v1.5.0
+ * (c) 2010-2016 Google, Inc. http://angularjs.org
  * License: MIT
  */
 (function(window, angular, undefined) {'use strict';
 
 /* jshint ignore:start */
 var noop        = angular.noop;
+var copy        = angular.copy;
 var extend      = angular.extend;
 var jqLite      = angular.element;
 var forEach     = angular.forEach;
@@ -25,6 +26,7 @@ var ADD_CLASS_SUFFIX = '-add';
 var REMOVE_CLASS_SUFFIX = '-remove';
 var EVENT_CLASS_PREFIX = 'ng-';
 var ACTIVE_CLASS_SUFFIX = '-active';
+var PREPARE_CLASS_SUFFIX = '-prepare';
 
 var NG_ANIMATE_CLASSNAME = 'ng-animate';
 var NG_ANIMATE_CHILDREN_DATA = '$$ngAnimateChildren';
@@ -41,7 +43,7 @@ var CSS_PREFIX = '', TRANSITION_PROP, TRANSITIONEND_EVENT, ANIMATION_PROP, ANIMA
 // Also, the only modern browser that uses vendor prefixes for transitions/keyframes is webkit
 // therefore there is no reason to test anymore for other vendor prefixes:
 // http://caniuse.com/#search=transition
-if (window.ontransitionend === undefined && window.onwebkittransitionend !== undefined) {
+if (isUndefined(window.ontransitionend) && isDefined(window.onwebkittransitionend)) {
   CSS_PREFIX = '-webkit-';
   TRANSITION_PROP = 'WebkitTransition';
   TRANSITIONEND_EVENT = 'webkitTransitionEnd transitionend';
@@ -50,7 +52,7 @@ if (window.ontransitionend === undefined && window.onwebkittransitionend !== und
   TRANSITIONEND_EVENT = 'transitionend';
 }
 
-if (window.onanimationend === undefined && window.onwebkitanimationend !== undefined) {
+if (isUndefined(window.onanimationend) && isDefined(window.onwebkitanimationend)) {
   CSS_PREFIX = '-webkit-';
   ANIMATION_PROP = 'WebkitAnimation';
   ANIMATIONEND_EVENT = 'webkitAnimationEnd animationend';
@@ -76,6 +78,7 @@ var isPromiseLike = function(p) {
   return p && p.then ? true : false;
 };
 
+var ngMinErr = angular.$$minErr('ng');
 function assertArg(arg, name, reason) {
   if (!arg) {
     throw ngMinErr('areq', "Argument '{0}' is {1}", (name || '?'), (reason || "required"));
@@ -220,7 +223,10 @@ function applyAnimationToStyles(element, options) {
   }
 }
 
-function mergeAnimationOptions(element, target, newOptions) {
+function mergeAnimationDetails(element, oldAnimation, newAnimation) {
+  var target = oldAnimation.options || {};
+  var newOptions = newAnimation.options || {};
+
   var toAdd = (target.addClass || '') + ' ' + (newOptions.addClass || '');
   var toRemove = (target.removeClass || '') + ' ' + (newOptions.removeClass || '');
   var classes = resolveElementClasses(element.attr('class'), toAdd, toRemove);
@@ -252,6 +258,9 @@ function mergeAnimationOptions(element, target, newOptions) {
     target.removeClass = null;
   }
 
+  oldAnimation.addClass = target.addClass;
+  oldAnimation.removeClass = target.removeClass;
+
   return target;
 }
 
@@ -373,12 +382,6 @@ function concatWithSpace(a,b) {
   return a + ' ' + b;
 }
 
-function $$BodyProvider() {
-  this.$get = ['$document', function($document) {
-    return jqLite($document[0].body);
-  }];
-}
-
 var $$rAFSchedulerFactory = ['$$rAF', function($$rAF) {
   var queue, cancelFn;
 
@@ -393,7 +396,7 @@ var $$rAFSchedulerFactory = ['$$rAF', function($$rAF) {
   queue = scheduler.queue = [];
 
   /* waitUntilQuiet does two things:
-   * 1. It will run the FINAL `fn` value only when an uncancelled RAF has passed through
+   * 1. It will run the FINAL `fn` value only when an uncanceled RAF has passed through
    * 2. It will delay the next wave of tasks from running until the quiet `fn` has run.
    *
    * The motivation here is that animation code can request more time from the scheduler
@@ -428,16 +431,101 @@ var $$rAFSchedulerFactory = ['$$rAF', function($$rAF) {
   }
 }];
 
-var $$AnimateChildrenDirective = [function() {
-  return function(scope, element, attrs) {
-    var val = attrs.ngAnimateChildren;
-    if (angular.isString(val) && val.length === 0) { //empty attribute
-      element.data(NG_ANIMATE_CHILDREN_DATA, true);
-    } else {
-      attrs.$observe('ngAnimateChildren', function(value) {
+/**
+ * @ngdoc directive
+ * @name ngAnimateChildren
+ * @restrict AE
+ * @element ANY
+ *
+ * @description
+ *
+ * ngAnimateChildren allows you to specify that children of this element should animate even if any
+ * of the children's parents are currently animating. By default, when an element has an active `enter`, `leave`, or `move`
+ * (structural) animation, child elements that also have an active structural animation are not animated.
+ *
+ * Note that even if `ngAnimteChildren` is set, no child animations will run when the parent element is removed from the DOM (`leave` animation).
+ *
+ *
+ * @param {string} ngAnimateChildren If the value is empty, `true` or `on`,
+ *     then child animations are allowed. If the value is `false`, child animations are not allowed.
+ *
+ * @example
+ * <example module="ngAnimateChildren" name="ngAnimateChildren" deps="angular-animate.js" animations="true">
+     <file name="index.html">
+       <div ng-controller="mainController as main">
+         <label>Show container? <input type="checkbox" ng-model="main.enterElement" /></label>
+         <label>Animate children? <input type="checkbox" ng-model="main.animateChildren" /></label>
+         <hr>
+         <div ng-animate-children="{{main.animateChildren}}">
+           <div ng-if="main.enterElement" class="container">
+             List of items:
+             <div ng-repeat="item in [0, 1, 2, 3]" class="item">Item {{item}}</div>
+           </div>
+         </div>
+       </div>
+     </file>
+     <file name="animations.css">
+
+      .container.ng-enter,
+      .container.ng-leave {
+        transition: all ease 1.5s;
+      }
+
+      .container.ng-enter,
+      .container.ng-leave-active {
+        opacity: 0;
+      }
+
+      .container.ng-leave,
+      .container.ng-enter-active {
+        opacity: 1;
+      }
+
+      .item {
+        background: firebrick;
+        color: #FFF;
+        margin-bottom: 10px;
+      }
+
+      .item.ng-enter,
+      .item.ng-leave {
+        transition: transform 1.5s ease;
+      }
+
+      .item.ng-enter {
+        transform: translateX(50px);
+      }
+
+      .item.ng-enter-active {
+        transform: translateX(0);
+      }
+    </file>
+    <file name="script.js">
+      angular.module('ngAnimateChildren', ['ngAnimate'])
+        .controller('mainController', function() {
+          this.animateChildren = false;
+          this.enterElement = false;
+        });
+    </file>
+  </example>
+ */
+var $$AnimateChildrenDirective = ['$interpolate', function($interpolate) {
+  return {
+    link: function(scope, element, attrs) {
+      var val = attrs.ngAnimateChildren;
+      if (angular.isString(val) && val.length === 0) { //empty attribute
+        element.data(NG_ANIMATE_CHILDREN_DATA, true);
+      } else {
+        // Interpolate and set the value, so that it is available to
+        // animations that run right after compilation
+        setData($interpolate(val)(scope));
+        attrs.$observe('ngAnimateChildren', setData);
+      }
+
+      function setData(value) {
         value = value === 'on' || value === 'true';
         element.data(NG_ANIMATE_CHILDREN_DATA, value);
-      });
+      }
     }
   };
 }];
@@ -609,7 +697,7 @@ var ANIMATE_TIMER_KEY = '$$animateCss';
  * ```
  *
  * To actually start the animation we need to run `animation.start()` which will then return a promise that we can hook into to detect when the animation ends.
- * If we choose not to run the animation then we MUST run `animation.end()` to perform a cleanup on the element (since some CSS classes and stlyes may have been
+ * If we choose not to run the animation then we MUST run `animation.end()` to perform a cleanup on the element (since some CSS classes and styles may have been
  * applied to the element during the preparation phase). Note that all other properties such as duration, delay, transitions and keyframes are just properties
  * and that changing them will not reconfigure the parameters of the animation.
  *
@@ -628,8 +716,10 @@ var ANIMATE_TIMER_KEY = '$$animateCss';
  *
  * * `event` - The DOM event (e.g. enter, leave, move). When used, a generated CSS class of `ng-EVENT` and `ng-EVENT-active` will be applied
  * to the element during the animation. Multiple events can be provided when spaces are used as a separator. (Note that this will not perform any DOM operation.)
+ * * `structural` - Indicates that the `ng-` prefix will be added to the event class. Setting to `false` or omitting will turn `ng-EVENT` and
+ * `ng-EVENT-active` in `EVENT` and `EVENT-active`. Unused if `event` is omitted.
  * * `easing` - The CSS easing value that will be applied to the transition or keyframe animation (or both).
- * * `transition` - The raw CSS transition style that will be used (e.g. `1s linear all`).
+ * * `transitionStyle` - The raw CSS transition style that will be used (e.g. `1s linear all`).
  * * `keyframeStyle` - The raw CSS keyframe animation style that will be used (e.g. `1s my_animation linear`).
  * * `from` - The starting CSS styles (a key/value object) that will be applied at the start of the animation.
  * * `to` - The ending CSS styles (a key/value object) that will be applied across the animation via a CSS transition.
@@ -644,8 +734,12 @@ var ANIMATE_TIMER_KEY = '$$animateCss';
  * * `stagger` - A numeric time value representing the delay between successively animated elements
  * ({@link ngAnimate#css-staggering-animations Click here to learn how CSS-based staggering works in ngAnimate.})
  * * `staggerIndex` - The numeric index representing the stagger item (e.g. a value of 5 is equal to the sixth item in the stagger; therefore when a
- * * `stagger` option value of `0.1` is used then there will be a stagger delay of `600ms`)
- * * `applyClassesEarly` - Whether or not the classes being added or removed will be used when detecting the animation. This is set by `$animate` when enter/leave/move animations are fired to ensure that the CSS classes are resolved in time. (Note that this will prevent any transitions from occuring on the classes being added and removed.)
+ *   `stagger` option value of `0.1` is used then there will be a stagger delay of `600ms`)
+ * * `applyClassesEarly` - Whether or not the classes being added or removed will be used when detecting the animation. This is set by `$animate` when enter/leave/move animations are fired to ensure that the CSS classes are resolved in time. (Note that this will prevent any transitions from occurring on the classes being added and removed.)
+ * * `cleanupStyles` - Whether or not the provided `from` and `to` styles will be removed once
+ *    the animation is closed. This is useful for when the styles are used purely for the sake of
+ *    the animation and do not have a lasting visual effect on the element (e.g. a collapse and open animation).
+ *    By default this value is set to `false`.
  *
  * @return {object} an object with start and end methods and details about the animation.
  *
@@ -697,7 +791,7 @@ function computeCssStyles($window, element, properties) {
       }
 
       // by setting this to null in the event that the delay is not set or is set directly as 0
-      // then we can still allow for zegative values to be used later on and not mistake this
+      // then we can still allow for negative values to be used later on and not mistake this
       // value for being greater than any other negative value.
       if (val === 0) {
         val = null;
@@ -766,14 +860,31 @@ function createLocalCacheLookup() {
   };
 }
 
+// we do not reassign an already present style value since
+// if we detect the style property value again we may be
+// detecting styles that were added via the `from` styles.
+// We make use of `isDefined` here since an empty string
+// or null value (which is what getPropertyValue will return
+// for a non-existing style) will still be marked as a valid
+// value for the style (a falsy value implies that the style
+// is to be removed at the end of the animation). If we had a simple
+// "OR" statement then it would not be enough to catch that.
+function registerRestorableStyles(backup, node, properties) {
+  forEach(properties, function(prop) {
+    backup[prop] = isDefined(backup[prop])
+        ? backup[prop]
+        : node.style.getPropertyValue(prop);
+  });
+}
+
 var $AnimateCssProvider = ['$animateProvider', function($animateProvider) {
   var gcsLookup = createLocalCacheLookup();
   var gcsStaggerLookup = createLocalCacheLookup();
 
   this.$get = ['$window', '$$jqLite', '$$AnimateRunner', '$timeout',
-               '$$forceReflow', '$sniffer', '$$rAFScheduler', '$animate',
+               '$$forceReflow', '$sniffer', '$$rAFScheduler', '$$animateQueue',
        function($window,   $$jqLite,   $$AnimateRunner,   $timeout,
-                $$forceReflow,   $sniffer,   $$rAFScheduler, $animate) {
+                $$forceReflow,   $sniffer,   $$rAFScheduler, $$animateQueue) {
 
     var applyAnimationClasses = applyAnimationClassesFactory($$jqLite);
 
@@ -796,7 +907,7 @@ var $AnimateCssProvider = ['$animateProvider', function($animateProvider) {
       }
 
       // we keep putting this in multiple times even though the value and the cacheKey are the same
-      // because we're keeping an interal tally of how many duplicate animations are detected.
+      // because we're keeping an internal tally of how many duplicate animations are detected.
       gcsLookup.put(cacheKey, timings);
       return timings;
     }
@@ -865,16 +976,24 @@ var $AnimateCssProvider = ['$animateProvider', function($animateProvider) {
       return timings;
     }
 
-    return function init(element, options) {
+    return function init(element, initialOptions) {
+      // all of the animation functions should create
+      // a copy of the options data, however, if a
+      // parent service has already created a copy then
+      // we should stick to using that
+      var options = initialOptions || {};
+      if (!options.$$prepared) {
+        options = prepareAnimationOptions(copy(options));
+      }
+
+      var restoreStyles = {};
       var node = getDomNode(element);
       if (!node
           || !node.parentNode
-          || !$animate.enabled()) {
+          || !$$animateQueue.enabled()) {
         return closeAndReturnNoopAnimator();
       }
 
-      options = prepareAnimationOptions(options);
-
       var temporaryStyles = [];
       var classes = element.attr('class');
       var styles = packageStyles(options);
@@ -887,6 +1006,8 @@ var $AnimateCssProvider = ['$animateProvider', function($animateProvider) {
       var maxDelayTime;
       var maxDuration;
       var maxDurationTime;
+      var startTime;
+      var events = [];
 
       if (options.duration === 0 || (!$sniffer.animations && !$sniffer.transitions)) {
         return closeAndReturnNoopAnimator();
@@ -1040,7 +1161,12 @@ var $AnimateCssProvider = ['$animateProvider', function($animateProvider) {
       }
 
       if (options.delay != null) {
-        var delayStyle = parseFloat(options.delay);
+        var delayStyle;
+        if (typeof options.delay !== "boolean") {
+          delayStyle = parseFloat(options.delay);
+          // number in options.delay means we have to recalculate the delay for the closing timeout
+          maxDelay = Math.max(delayStyle, 0);
+        }
 
         if (flags.applyTransitionDelay) {
           temporaryStyles.push(getCssDelayStyle(delayStyle));
@@ -1067,7 +1193,12 @@ var $AnimateCssProvider = ['$animateProvider', function($animateProvider) {
                                        stagger.animationDuration === 0;
       }
 
-      applyAnimationFromStyles(element, options);
+      if (options.from) {
+        if (options.cleanupStyles) {
+          registerRestorableStyles(restoreStyles, node, Object.keys(options.from));
+        }
+        applyAnimationFromStyles(element, options);
+      }
 
       if (flags.blockTransition || flags.blockKeyframeAnimation) {
         applyBlocking(maxDuration);
@@ -1134,6 +1265,13 @@ var $AnimateCssProvider = ['$animateProvider', function($animateProvider) {
         applyAnimationClasses(element, options);
         applyAnimationStyles(element, options);
 
+        if (Object.keys(restoreStyles).length) {
+          forEach(restoreStyles, function(value, prop) {
+            value ? node.style.setProperty(prop, value)
+                  : node.style.removeProperty(prop);
+          });
+        }
+
         // the reason why we have this option is to allow a synchronous closing callback
         // that is fired as SOON as the animation ends (when the CSS is removed) or if
         // the animation never takes off at all. A good example is a leave animation since
@@ -1143,6 +1281,18 @@ var $AnimateCssProvider = ['$animateProvider', function($animateProvider) {
           options.onDone();
         }
 
+        if (events && events.length) {
+          // Remove the transitionend / animationend listener(s)
+          element.off(events.join(' '), onAnimationProgress);
+        }
+
+        //Cancel the fallback closing timeout and remove the timer data
+        var animationTimerData = element.data(ANIMATE_TIMER_KEY);
+        if (animationTimerData) {
+          $timeout.cancel(animationTimerData[0].timer);
+          element.removeData(ANIMATE_TIMER_KEY);
+        }
+
         // if the preparation function fails then the promise is not setup
         if (runner) {
           runner.complete(!rejected);
@@ -1178,6 +1328,33 @@ var $AnimateCssProvider = ['$animateProvider', function($animateProvider) {
         };
       }
 
+      function onAnimationProgress(event) {
+        event.stopPropagation();
+        var ev = event.originalEvent || event;
+
+        // we now always use `Date.now()` due to the recent changes with
+        // event.timeStamp in Firefox, Webkit and Chrome (see #13494 for more info)
+        var timeStamp = ev.$manualTimeStamp || Date.now();
+
+        /* Firefox (or possibly just Gecko) likes to not round values up
+         * when a ms measurement is used for the animation */
+        var elapsedTime = parseFloat(ev.elapsedTime.toFixed(ELAPSED_TIME_MAX_DECIMAL_PLACES));
+
+        /* $manualTimeStamp is a mocked timeStamp value which is set
+         * within browserTrigger(). This is only here so that tests can
+         * mock animations properly. Real events fallback to event.timeStamp,
+         * or, if they don't, then a timeStamp is automatically created for them.
+         * We're checking to see if the timeStamp surpasses the expected delay,
+         * but we're using elapsedTime instead of the timeStamp on the 2nd
+         * pre-condition since animationPauseds sometimes close off early */
+        if (Math.max(timeStamp - startTime, 0) >= maxDelayTime && elapsedTime >= maxDuration) {
+          // we set this flag to ensure that if the transition is paused then, when resumed,
+          // the animation will automatically close itself since transitions cannot be paused.
+          animationCompleted = true;
+          close();
+        }
+      }
+
       function start() {
         if (animationClosed) return;
         if (!node.parentNode) {
@@ -1185,8 +1362,6 @@ var $AnimateCssProvider = ['$animateProvider', function($animateProvider) {
           return;
         }
 
-        var startTime, events = [];
-
         // even though we only pause keyframe animations here the pause flag
         // will still happen when transitions are used. Only the transition will
         // not be paused since that is not possible. If the animation ends when
@@ -1206,9 +1381,9 @@ var $AnimateCssProvider = ['$animateProvider', function($animateProvider) {
           }
         };
 
-        // checking the stagger duration prevents an accidently cascade of the CSS delay style
+        // checking the stagger duration prevents an accidentally cascade of the CSS delay style
         // being inherited from the parent. If the transition duration is zero then we can safely
-        // rely that the delay value is an intential stagger delay style.
+        // rely that the delay value is an intentional stagger delay style.
         var maxStagger = itemIndex > 0
                          && ((timings.transitionDuration && stagger.transitionDuration === 0) ||
                             (timings.animationDuration && stagger.animationDuration === 0))
@@ -1327,8 +1502,16 @@ var $AnimateCssProvider = ['$animateProvider', function($animateProvider) {
             element.data(ANIMATE_TIMER_KEY, animationsData);
           }
 
-          element.on(events.join(' '), onAnimationProgress);
-          applyAnimationToStyles(element, options);
+          if (events.length) {
+            element.on(events.join(' '), onAnimationProgress);
+          }
+
+          if (options.to) {
+            if (options.cleanupStyles) {
+              registerRestorableStyles(restoreStyles, node, Object.keys(options.to));
+            }
+            applyAnimationToStyles(element, options);
+          }
         }
 
         function onAnimationExpired() {
@@ -1344,30 +1527,6 @@ var $AnimateCssProvider = ['$animateProvider', function($animateProvider) {
             element.removeData(ANIMATE_TIMER_KEY);
           }
         }
-
-        function onAnimationProgress(event) {
-          event.stopPropagation();
-          var ev = event.originalEvent || event;
-          var timeStamp = ev.$manualTimeStamp || ev.timeStamp || Date.now();
-
-          /* Firefox (or possibly just Gecko) likes to not round values up
-           * when a ms measurement is used for the animation */
-          var elapsedTime = parseFloat(ev.elapsedTime.toFixed(ELAPSED_TIME_MAX_DECIMAL_PLACES));
-
-          /* $manualTimeStamp is a mocked timeStamp value which is set
-           * within browserTrigger(). This is only here so that tests can
-           * mock animations properly. Real events fallback to event.timeStamp,
-           * or, if they don't, then a timeStamp is automatically created for them.
-           * We're checking to see if the timeStamp surpasses the expected delay,
-           * but we're using elapsedTime instead of the timeStamp on the 2nd
-           * pre-condition since animations sometimes close off early */
-          if (Math.max(timeStamp - startTime, 0) >= maxDelayTime && elapsedTime >= maxDuration) {
-            // we set this flag to ensure that if the transition is paused then, when resumed,
-            // the animation will automatically close itself since transitions cannot be paused.
-            animationCompleted = true;
-            close();
-          }
-        }
       }
     };
   }];
@@ -1382,16 +1541,25 @@ var $$AnimateCssDriverProvider = ['$$animationProvider', function($$animationPro
   var NG_OUT_ANCHOR_CLASS_NAME = 'ng-anchor-out';
   var NG_IN_ANCHOR_CLASS_NAME = 'ng-anchor-in';
 
-  this.$get = ['$animateCss', '$rootScope', '$$AnimateRunner', '$rootElement', '$$body', '$sniffer', '$$jqLite',
-       function($animateCss,   $rootScope,   $$AnimateRunner,   $rootElement,   $$body,   $sniffer,   $$jqLite) {
+  function isDocumentFragment(node) {
+    return node.parentNode && node.parentNode.nodeType === 11;
+  }
+
+  this.$get = ['$animateCss', '$rootScope', '$$AnimateRunner', '$rootElement', '$sniffer', '$$jqLite', '$document',
+       function($animateCss,   $rootScope,   $$AnimateRunner,   $rootElement,   $sniffer,   $$jqLite,   $document) {
 
     // only browsers that support these properties can render animations
     if (!$sniffer.animations && !$sniffer.transitions) return noop;
 
-    var bodyNode = getDomNode($$body);
+    var bodyNode = $document[0].body;
     var rootNode = getDomNode($rootElement);
 
-    var rootBodyElement = jqLite(bodyNode.parentNode === rootNode ? bodyNode : rootNode);
+    var rootBodyElement = jqLite(
+      // this is to avoid using something that exists outside of the body
+      // we also special case the doc fragment case because our unit test code
+      // appends the $rootElement to the body after the app has been bootstrapped
+      isDocumentFragment(rootNode) || bodyNode.contains(rootNode) ? rootNode : bodyNode
+    );
 
     var applyAnimationClasses = applyAnimationClassesFactory($$jqLite);
 
@@ -1488,7 +1656,7 @@ var $$AnimateCssDriverProvider = ['$$animationProvider', function($$animationPro
         var coords = getDomNode(anchor).getBoundingClientRect();
 
         // we iterate directly since safari messes up and doesn't return
-        // all the keys for the coods object when iterated
+        // all the keys for the coords object when iterated
         forEach(['width','height','top','left'], function(key) {
           var value = coords[key];
           switch (key) {
@@ -1643,6 +1811,8 @@ var $$AnimateJsProvider = ['$animateProvider', function($animateProvider) {
     var applyAnimationClasses = applyAnimationClassesFactory($$jqLite);
          // $animateJs(element, 'enter');
     return function(element, event, classes, options) {
+      var animationClosed = false;
+
       // the `classes` argument is optional and if it is not used
       // then the classes will be resolved from the element's className
       // property as well as options.addClass/options.removeClass.
@@ -1695,8 +1865,32 @@ var $$AnimateJsProvider = ['$animateProvider', function($animateProvider) {
         applyAnimationClasses(element, options);
       }
 
+      function close() {
+        animationClosed = true;
+        applyOptions();
+        applyAnimationStyles(element, options);
+      }
+
+      var runner;
+
       return {
+        $$willAnimate: true,
+        end: function() {
+          if (runner) {
+            runner.end();
+          } else {
+            close();
+            runner = new $$AnimateRunner();
+            runner.complete(true);
+          }
+          return runner;
+        },
         start: function() {
+          if (runner) {
+            return runner;
+          }
+
+          runner = new $$AnimateRunner();
           var closeActiveAnimations;
           var chain = [];
 
@@ -1721,8 +1915,7 @@ var $$AnimateJsProvider = ['$animateProvider', function($animateProvider) {
             });
           }
 
-          var animationClosed = false;
-          var runner = new $$AnimateRunner({
+          runner.setHost({
             end: function() {
               endAnimations();
             },
@@ -1735,9 +1928,7 @@ var $$AnimateJsProvider = ['$animateProvider', function($animateProvider) {
           return runner;
 
           function onComplete(success) {
-            animationClosed = true;
-            applyOptions();
-            applyAnimationStyles(element, options);
+            close(success);
             runner.complete(success);
           }
 
@@ -1957,6 +2148,7 @@ var NG_ANIMATE_PIN_DATA = '$ngAnimatePin';
 var $$AnimateQueueProvider = ['$animateProvider', function($animateProvider) {
   var PRE_DIGEST_STATE = 1;
   var RUNNING_STATE = 2;
+  var ONE_SPACE = ' ';
 
   var rules = this.rules = {
     skip: [],
@@ -1964,28 +2156,50 @@ var $$AnimateQueueProvider = ['$animateProvider', function($animateProvider) {
     join: []
   };
 
+  function makeTruthyCssClassMap(classString) {
+    if (!classString) {
+      return null;
+    }
+
+    var keys = classString.split(ONE_SPACE);
+    var map = Object.create(null);
+
+    forEach(keys, function(key) {
+      map[key] = true;
+    });
+    return map;
+  }
+
+  function hasMatchingClasses(newClassString, currentClassString) {
+    if (newClassString && currentClassString) {
+      var currentClassMap = makeTruthyCssClassMap(currentClassString);
+      return newClassString.split(ONE_SPACE).some(function(className) {
+        return currentClassMap[className];
+      });
+    }
+  }
+
   function isAllowed(ruleType, element, currentAnimation, previousAnimation) {
     return rules[ruleType].some(function(fn) {
       return fn(element, currentAnimation, previousAnimation);
     });
   }
 
-  function hasAnimationClasses(options, and) {
-    options = options || {};
-    var a = (options.addClass || '').length > 0;
-    var b = (options.removeClass || '').length > 0;
+  function hasAnimationClasses(animation, and) {
+    var a = (animation.addClass || '').length > 0;
+    var b = (animation.removeClass || '').length > 0;
     return and ? a && b : a || b;
   }
 
   rules.join.push(function(element, newAnimation, currentAnimation) {
     // if the new animation is class-based then we can just tack that on
-    return !newAnimation.structural && hasAnimationClasses(newAnimation.options);
+    return !newAnimation.structural && hasAnimationClasses(newAnimation);
   });
 
   rules.skip.push(function(element, newAnimation, currentAnimation) {
     // there is no need to animate anything if no classes are being added and
     // there is no structural animation that will be triggered
-    return !newAnimation.structural && !hasAnimationClasses(newAnimation.options);
+    return !newAnimation.structural && !hasAnimationClasses(newAnimation);
   });
 
   rules.skip.push(function(element, newAnimation, currentAnimation) {
@@ -2011,22 +2225,46 @@ var $$AnimateQueueProvider = ['$animateProvider', function($animateProvider) {
   });
 
   rules.cancel.push(function(element, newAnimation, currentAnimation) {
-    var nO = newAnimation.options;
-    var cO = currentAnimation.options;
+    var nA = newAnimation.addClass;
+    var nR = newAnimation.removeClass;
+    var cA = currentAnimation.addClass;
+    var cR = currentAnimation.removeClass;
+
+    // early detection to save the global CPU shortage :)
+    if ((isUndefined(nA) && isUndefined(nR)) || (isUndefined(cA) && isUndefined(cR))) {
+      return false;
+    }
 
-    // if the exact same CSS class is added/removed then it's safe to cancel it
-    return (nO.addClass && nO.addClass === cO.removeClass) || (nO.removeClass && nO.removeClass === cO.addClass);
+    return hasMatchingClasses(nA, cR) || hasMatchingClasses(nR, cA);
   });
 
-  this.$get = ['$$rAF', '$rootScope', '$rootElement', '$document', '$$body', '$$HashMap',
+  this.$get = ['$$rAF', '$rootScope', '$rootElement', '$document', '$$HashMap',
                '$$animation', '$$AnimateRunner', '$templateRequest', '$$jqLite', '$$forceReflow',
-       function($$rAF,   $rootScope,   $rootElement,   $document,   $$body,   $$HashMap,
+       function($$rAF,   $rootScope,   $rootElement,   $document,   $$HashMap,
                 $$animation,   $$AnimateRunner,   $templateRequest,   $$jqLite,   $$forceReflow) {
 
     var activeAnimationsLookup = new $$HashMap();
     var disabledElementsLookup = new $$HashMap();
     var animationsEnabled = null;
 
+    function postDigestTaskFactory() {
+      var postDigestCalled = false;
+      return function(fn) {
+        // we only issue a call to postDigest before
+        // it has first passed. This prevents any callbacks
+        // from not firing once the animation has completed
+        // since it will be out of the digest cycle.
+        if (postDigestCalled) {
+          fn();
+        } else {
+          $rootScope.$$postDigest(function() {
+            postDigestCalled = true;
+            fn();
+          });
+        }
+      };
+    }
+
     // Wait until all directive and route-related templates are downloaded and
     // compiled. The $templateRequest.totalPendingRequests variable keeps track of
     // all of the remote templates being currently downloaded. If there are no
@@ -2069,18 +2307,28 @@ var $$AnimateQueueProvider = ['$animateProvider', function($animateProvider) {
 
     var applyAnimationClasses = applyAnimationClassesFactory($$jqLite);
 
-    function normalizeAnimationOptions(element, options) {
-      return mergeAnimationOptions(element, options, {});
+    function normalizeAnimationDetails(element, animation) {
+      return mergeAnimationDetails(element, animation, {});
     }
 
-    function findCallbacks(element, event) {
+    // IE9-11 has no method "contains" in SVG element and in Node.prototype. Bug #10259.
+    var contains = Node.prototype.contains || function(arg) {
+      // jshint bitwise: false
+      return this === arg || !!(this.compareDocumentPosition(arg) & 16);
+      // jshint bitwise: true
+    };
+
+    function findCallbacks(parent, element, event) {
       var targetNode = getDomNode(element);
+      var targetParentNode = getDomNode(parent);
 
       var matches = [];
       var entries = callbackRegistry[event];
       if (entries) {
         forEach(entries, function(entry) {
-          if (entry.node.contains(targetNode)) {
+          if (contains.call(entry.node, targetNode)) {
+            matches.push(entry.callback);
+          } else if (event === 'leave' && contains.call(entry.node, targetParentNode)) {
             matches.push(entry.callback);
           }
         });
@@ -2089,14 +2337,6 @@ var $$AnimateQueueProvider = ['$animateProvider', function($animateProvider) {
       return matches;
     }
 
-    function triggerCallback(event, element, phase, data) {
-      $$rAF(function() {
-        forEach(findCallbacks(element, event), function(callback) {
-          callback(element, phase, data);
-        });
-      });
-    }
-
     return {
       on: function(event, container, callback) {
         var node = extractElementNode(container);
@@ -2163,12 +2403,7 @@ var $$AnimateQueueProvider = ['$animateProvider', function($animateProvider) {
               bool = !recordExists;
             } else {
               // (element, bool) - Element setter
-              bool = !!bool;
-              if (!bool) {
-                disabledElementsLookup.put(node, true);
-              } else if (recordExists) {
-                disabledElementsLookup.remove(node);
-              }
+              disabledElementsLookup.put(node, !bool);
             }
           }
         }
@@ -2177,7 +2412,12 @@ var $$AnimateQueueProvider = ['$animateProvider', function($animateProvider) {
       }
     };
 
-    function queueAnimation(element, event, options) {
+    function queueAnimation(element, event, initialOptions) {
+      // we always make a copy of the options since
+      // there should never be any side effects on
+      // the input data when running `$animateCss`.
+      var options = copy(initialOptions);
+
       var node, parent;
       element = stripCommentsFromElement(element);
       if (element) {
@@ -2191,6 +2431,9 @@ var $$AnimateQueueProvider = ['$animateProvider', function($animateProvider) {
       // These methods will become available after the digest has passed
       var runner = new $$AnimateRunner();
 
+      // this is used to trigger callbacks in postDigest mode
+      var runInNextPostDigestOrNow = postDigestTaskFactory();
+
       if (isArray(options.addClass)) {
         options.addClass = options.addClass.join(' ');
       }
@@ -2234,7 +2477,9 @@ var $$AnimateQueueProvider = ['$animateProvider', function($animateProvider) {
       // this is a hard disable of all animations for the application or on
       // the element itself, therefore  there is no need to continue further
       // past this point if not enabled
-      var skipAnimations = !animationsEnabled || disabledElementsLookup.get(node);
+      // Animations are also disabled if the document is currently hidden (page is not visible
+      // to the user), because browsers slow down or do not flush calls to requestAnimationFrame
+      var skipAnimations = !animationsEnabled || $document[0].hidden || disabledElementsLookup.get(node);
       var existingAnimation = (!skipAnimations && activeAnimationsLookup.get(node)) || {};
       var hasExistingAnimation = !!existingAnimation.state;
 
@@ -2257,6 +2502,8 @@ var $$AnimateQueueProvider = ['$animateProvider', function($animateProvider) {
         structural: isStructural,
         element: element,
         event: event,
+        addClass: options.addClass,
+        removeClass: options.removeClass,
         close: close,
         options: options,
         runner: runner
@@ -2269,11 +2516,10 @@ var $$AnimateQueueProvider = ['$animateProvider', function($animateProvider) {
             close();
             return runner;
           } else {
-            mergeAnimationOptions(element, existingAnimation.options, options);
+            mergeAnimationDetails(element, existingAnimation, newAnimation);
             return existingAnimation.runner;
           }
         }
-
         var cancelAnimationFlag = isAllowed('cancel', element, newAnimation, existingAnimation);
         if (cancelAnimationFlag) {
           if (existingAnimation.state === RUNNING_STATE) {
@@ -2288,7 +2534,8 @@ var $$AnimateQueueProvider = ['$animateProvider', function($animateProvider) {
             existingAnimation.close();
           } else {
             // this will merge the new animation options into existing animation options
-            mergeAnimationOptions(element, existingAnimation.options, newAnimation.options);
+            mergeAnimationDetails(element, existingAnimation, newAnimation);
+
             return existingAnimation.runner;
           }
         } else {
@@ -2298,12 +2545,12 @@ var $$AnimateQueueProvider = ['$animateProvider', function($animateProvider) {
           var joinAnimationFlag = isAllowed('join', element, newAnimation, existingAnimation);
           if (joinAnimationFlag) {
             if (existingAnimation.state === RUNNING_STATE) {
-              normalizeAnimationOptions(element, options);
+              normalizeAnimationDetails(element, newAnimation);
             } else {
               applyGeneratedPreparationClasses(element, isStructural ? event : null, options);
 
               event = newAnimation.event = existingAnimation.event;
-              options = mergeAnimationOptions(element, existingAnimation.options, newAnimation.options);
+              options = mergeAnimationDetails(element, existingAnimation, newAnimation);
 
               //we return the same runner since only the option values of this animation will
               //be fed into the `existingAnimation`.
@@ -2314,7 +2561,7 @@ var $$AnimateQueueProvider = ['$animateProvider', function($animateProvider) {
       } else {
         // normalization in this case means that it removes redundant CSS classes that
         // already exist (addClass) or do not exist (removeClass) on the element
-        normalizeAnimationOptions(element, options);
+        normalizeAnimationDetails(element, newAnimation);
       }
 
       // when the options are merged and cleaned up we may end up not having to do
@@ -2324,7 +2571,7 @@ var $$AnimateQueueProvider = ['$animateProvider', function($animateProvider) {
       if (!isValidAnimation) {
         // animate (from/to) can be quickly checked first, otherwise we check if any classes are present
         isValidAnimation = (newAnimation.event === 'animate' && Object.keys(newAnimation.options.to || {}).length > 0)
-                            || hasAnimationClasses(newAnimation.options);
+                            || hasAnimationClasses(newAnimation);
       }
 
       if (!isValidAnimation) {
@@ -2354,7 +2601,7 @@ var $$AnimateQueueProvider = ['$animateProvider', function($animateProvider) {
         var isValidAnimation = parentElement.length > 0
                                 && (animationDetails.event === 'animate'
                                     || animationDetails.structural
-                                    || hasAnimationClasses(animationDetails.options));
+                                    || hasAnimationClasses(animationDetails));
 
         // this means that the previous animation was cancelled
         // even if the follow-up animation is the same event
@@ -2386,7 +2633,7 @@ var $$AnimateQueueProvider = ['$animateProvider', function($animateProvider) {
 
         // this combined multiple class to addClass / removeClass into a setClass event
         // so long as a structural event did not take over the animation
-        event = !animationDetails.structural && hasAnimationClasses(animationDetails.options, true)
+        event = !animationDetails.structural && hasAnimationClasses(animationDetails, true)
             ? 'setClass'
             : animationDetails.event;
 
@@ -2411,7 +2658,20 @@ var $$AnimateQueueProvider = ['$animateProvider', function($animateProvider) {
       return runner;
 
       function notifyProgress(runner, event, phase, data) {
-        triggerCallback(event, element, phase, data);
+        runInNextPostDigestOrNow(function() {
+          var callbacks = findCallbacks(parent, element, event);
+          if (callbacks.length) {
+            // do not optimize this call here to RAF because
+            // we don't know how heavy the callback code here will
+            // be and if this code is buffered then this can
+            // lead to a performance regression.
+            $$rAF(function() {
+              forEach(callbacks, function(callback) {
+                callback(element, phase, data);
+              });
+            });
+          }
+        });
         runner.progress(event, phase, data);
       }
 
@@ -2430,15 +2690,15 @@ var $$AnimateQueueProvider = ['$animateProvider', function($animateProvider) {
       forEach(children, function(child) {
         var state = parseInt(child.getAttribute(NG_ANIMATE_ATTR_NAME));
         var animationDetails = activeAnimationsLookup.get(child);
-        switch (state) {
-          case RUNNING_STATE:
-            animationDetails.runner.end();
-            /* falls through */
-          case PRE_DIGEST_STATE:
-            if (animationDetails) {
+        if (animationDetails) {
+          switch (state) {
+            case RUNNING_STATE:
+              animationDetails.runner.end();
+              /* falls through */
+            case PRE_DIGEST_STATE:
               activeAnimationsLookup.remove(child);
-            }
-            break;
+              break;
+          }
         }
       });
     }
@@ -2453,11 +2713,20 @@ var $$AnimateQueueProvider = ['$animateProvider', function($animateProvider) {
       return getDomNode(nodeOrElmA) === getDomNode(nodeOrElmB);
     }
 
+    /**
+     * This fn returns false if any of the following is true:
+     * a) animations on any parent element are disabled, and animations on the element aren't explicitly allowed
+     * b) a parent element has an ongoing structural animation, and animateChildren is false
+     * c) the element is not a child of the body
+     * d) the element is not a child of the $rootElement
+     */
     function areAnimationsAllowed(element, parentElement, event) {
-      var bodyElementDetected = isMatchingElement(element, $$body) || element[0].nodeName === 'HTML';
+      var bodyElement = jqLite($document[0].body);
+      var bodyElementDetected = isMatchingElement(element, bodyElement) || element[0].nodeName === 'HTML';
       var rootElementDetected = isMatchingElement(element, $rootElement);
       var parentAnimationDetected = false;
       var animateChildren;
+      var elementDisabled = disabledElementsLookup.get(getDomNode(element));
 
       var parentHost = element.data(NG_ANIMATE_PIN_DATA);
       if (parentHost) {
@@ -2482,7 +2751,18 @@ var $$AnimateQueueProvider = ['$animateProvider', function($animateProvider) {
         // therefore we can't allow any animations to take place
         // but if a parent animation is class-based then that's ok
         if (!parentAnimationDetected) {
-          parentAnimationDetected = details.structural || disabledElementsLookup.get(parentNode);
+          var parentElementDisabled = disabledElementsLookup.get(parentNode);
+
+          if (parentElementDisabled === true && elementDisabled !== false) {
+            // disable animations if the user hasn't explicitly enabled animations on the
+            // current element
+            elementDisabled = true;
+            // element is disabled via parent element, no need to check anything else
+            break;
+          } else if (parentElementDisabled === false) {
+            elementDisabled = false;
+          }
+          parentAnimationDetected = details.structural;
         }
 
         if (isUndefined(animateChildren) || animateChildren === true) {
@@ -2495,28 +2775,32 @@ var $$AnimateQueueProvider = ['$animateProvider', function($animateProvider) {
         // there is no need to continue traversing at this point
         if (parentAnimationDetected && animateChildren === false) break;
 
-        if (!rootElementDetected) {
-          // angular doesn't want to attempt to animate elements outside of the application
-          // therefore we need to ensure that the rootElement is an ancestor of the current element
-          rootElementDetected = isMatchingElement(parentElement, $rootElement);
-          if (!rootElementDetected) {
-            parentHost = parentElement.data(NG_ANIMATE_PIN_DATA);
-            if (parentHost) {
-              parentElement = parentHost;
-            }
-          }
-        }
-
         if (!bodyElementDetected) {
-          // we also need to ensure that the element is or will be apart of the body element
+          // we also need to ensure that the element is or will be a part of the body element
           // otherwise it is pointless to even issue an animation to be rendered
-          bodyElementDetected = isMatchingElement(parentElement, $$body);
+          bodyElementDetected = isMatchingElement(parentElement, bodyElement);
+        }
+
+        if (bodyElementDetected && rootElementDetected) {
+          // If both body and root have been found, any other checks are pointless,
+          // as no animation data should live outside the application
+          break;
+        }
+
+        if (!rootElementDetected) {
+          // If no rootElement is detected, check if the parentElement is pinned to another element
+          parentHost = parentElement.data(NG_ANIMATE_PIN_DATA);
+          if (parentHost) {
+            // The pin target element becomes the next parent element
+            parentElement = parentHost;
+            continue;
+          }
         }
 
         parentElement = parentElement.parent();
       }
 
-      var allowAnimation = !parentAnimationDetected || animateChildren;
+      var allowAnimation = (!parentAnimationDetected || animateChildren) && elementDisabled !== true;
       return allowAnimation && rootElementDetected && bodyElementDetected;
     }
 
@@ -2536,171 +2820,6 @@ var $$AnimateQueueProvider = ['$animateProvider', function($animateProvider) {
   }];
 }];
 
-var $$AnimateAsyncRunFactory = ['$$rAF', function($$rAF) {
-  var waitQueue = [];
-
-  function waitForTick(fn) {
-    waitQueue.push(fn);
-    if (waitQueue.length > 1) return;
-    $$rAF(function() {
-      for (var i = 0; i < waitQueue.length; i++) {
-        waitQueue[i]();
-      }
-      waitQueue = [];
-    });
-  }
-
-  return function() {
-    var passed = false;
-    waitForTick(function() {
-      passed = true;
-    });
-    return function(callback) {
-      passed ? callback() : waitForTick(callback);
-    };
-  };
-}];
-
-var $$AnimateRunnerFactory = ['$q', '$sniffer', '$$animateAsyncRun',
-                      function($q,   $sniffer,   $$animateAsyncRun) {
-
-  var INITIAL_STATE = 0;
-  var DONE_PENDING_STATE = 1;
-  var DONE_COMPLETE_STATE = 2;
-
-  AnimateRunner.chain = function(chain, callback) {
-    var index = 0;
-
-    next();
-    function next() {
-      if (index === chain.length) {
-        callback(true);
-        return;
-      }
-
-      chain[index](function(response) {
-        if (response === false) {
-          callback(false);
-          return;
-        }
-        index++;
-        next();
-      });
-    }
-  };
-
-  AnimateRunner.all = function(runners, callback) {
-    var count = 0;
-    var status = true;
-    forEach(runners, function(runner) {
-      runner.done(onProgress);
-    });
-
-    function onProgress(response) {
-      status = status && response;
-      if (++count === runners.length) {
-        callback(status);
-      }
-    }
-  };
-
-  function AnimateRunner(host) {
-    this.setHost(host);
-
-    this._doneCallbacks = [];
-    this._runInAnimationFrame = $$animateAsyncRun();
-    this._state = 0;
-  }
-
-  AnimateRunner.prototype = {
-    setHost: function(host) {
-      this.host = host || {};
-    },
-
-    done: function(fn) {
-      if (this._state === DONE_COMPLETE_STATE) {
-        fn();
-      } else {
-        this._doneCallbacks.push(fn);
-      }
-    },
-
-    progress: noop,
-
-    getPromise: function() {
-      if (!this.promise) {
-        var self = this;
-        this.promise = $q(function(resolve, reject) {
-          self.done(function(status) {
-            status === false ? reject() : resolve();
-          });
-        });
-      }
-      return this.promise;
-    },
-
-    then: function(resolveHandler, rejectHandler) {
-      return this.getPromise().then(resolveHandler, rejectHandler);
-    },
-
-    'catch': function(handler) {
-      return this.getPromise()['catch'](handler);
-    },
-
-    'finally': function(handler) {
-      return this.getPromise()['finally'](handler);
-    },
-
-    pause: function() {
-      if (this.host.pause) {
-        this.host.pause();
-      }
-    },
-
-    resume: function() {
-      if (this.host.resume) {
-        this.host.resume();
-      }
-    },
-
-    end: function() {
-      if (this.host.end) {
-        this.host.end();
-      }
-      this._resolve(true);
-    },
-
-    cancel: function() {
-      if (this.host.cancel) {
-        this.host.cancel();
-      }
-      this._resolve(false);
-    },
-
-    complete: function(response) {
-      var self = this;
-      if (self._state === INITIAL_STATE) {
-        self._state = DONE_PENDING_STATE;
-        self._runInAnimationFrame(function() {
-          self._resolve(response);
-        });
-      }
-    },
-
-    _resolve: function(response) {
-      if (this._state !== DONE_COMPLETE_STATE) {
-        forEach(this._doneCallbacks, function(fn) {
-          fn(response);
-        });
-        this._doneCallbacks.length = 0;
-        this._state = DONE_COMPLETE_STATE;
-      }
-    }
-  };
-
-  return AnimateRunner;
-}];
-
 var $$AnimationProvider = ['$animateProvider', function($animateProvider) {
   var NG_ANIMATE_REF_ATTR = 'ng-animate-ref';
 
@@ -2836,6 +2955,12 @@ var $$AnimationProvider = ['$animateProvider', function($animateProvider) {
         options.tempClasses = null;
       }
 
+      var prepareClassName;
+      if (isStructural) {
+        prepareClassName = 'ng-' + event + PREPARE_CLASS_SUFFIX;
+        $$jqLite.addClass(element, prepareClassName);
+      }
+
       animationQueue.push({
         // this data is used by the postDigest code and passed into
         // the driver step function
@@ -3000,7 +3125,7 @@ var $$AnimationProvider = ['$animateProvider', function($animateProvider) {
             };
 
             // the anchor animations require that the from and to elements both have at least
-            // one shared CSS class which effictively marries the two elements together to use
+            // one shared CSS class which effectively marries the two elements together to use
             // the same animation driver and to properly sequence the anchor animation.
             if (group.classes.length) {
               preparedAnimations.push(group);
@@ -3058,6 +3183,10 @@ var $$AnimationProvider = ['$animateProvider', function($animateProvider) {
         if (tempClasses) {
           $$jqLite.addClass(element, tempClasses);
         }
+        if (prepareClassName) {
+          $$jqLite.removeClass(element, prepareClassName);
+          prepareClassName = null;
+        }
       }
 
       function updateAnimationRunners(animation, newRunner) {
@@ -3099,13 +3228,121 @@ var $$AnimationProvider = ['$animateProvider', function($animateProvider) {
   }];
 }];
 
+/**
+ * @ngdoc directive
+ * @name ngAnimateSwap
+ * @restrict A
+ * @scope
+ *
+ * @description
+ *
+ * ngAnimateSwap is a animation-oriented directive that allows for the container to
+ * be removed and entered in whenever the associated expression changes. A
+ * common usecase for this directive is a rotating banner component which
+ * contains one image being present at a time. When the active image changes
+ * then the old image will perform a `leave` animation and the new element
+ * will be inserted via an `enter` animation.
+ *
+ * @example
+ * <example name="ngAnimateSwap-directive" module="ngAnimateSwapExample"
+ *          deps="angular-animate.js"
+ *          animations="true" fixBase="true">
+ *   <file name="index.html">
+ *     <div class="container" ng-controller="AppCtrl">
+ *       <div ng-animate-swap="number" class="cell swap-animation" ng-class="colorClass(number)">
+ *         {{ number }}
+ *       </div>
+ *     </div>
+ *   </file>
+ *   <file name="script.js">
+ *     angular.module('ngAnimateSwapExample', ['ngAnimate'])
+ *       .controller('AppCtrl', ['$scope', '$interval', function($scope, $interval) {
+ *         $scope.number = 0;
+ *         $interval(function() {
+ *           $scope.number++;
+ *         }, 1000);
+ *
+ *         var colors = ['red','blue','green','yellow','orange'];
+ *         $scope.colorClass = function(number) {
+ *           return colors[number % colors.length];
+ *         };
+ *       }]);
+ *   </file>
+ *  <file name="animations.css">
+ *  .container {
+ *    height:250px;
+ *    width:250px;
+ *    position:relative;
+ *    overflow:hidden;
+ *    border:2px solid black;
+ *  }
+ *  .container .cell {
+ *    font-size:150px;
+ *    text-align:center;
+ *    line-height:250px;
+ *    position:absolute;
+ *    top:0;
+ *    left:0;
+ *    right:0;
+ *    border-bottom:2px solid black;
+ *  }
+ *  .swap-animation.ng-enter, .swap-animation.ng-leave {
+ *    transition:0.5s linear all;
+ *  }
+ *  .swap-animation.ng-enter {
+ *    top:-250px;
+ *  }
+ *  .swap-animation.ng-enter-active {
+ *    top:0px;
+ *  }
+ *  .swap-animation.ng-leave {
+ *    top:0px;
+ *  }
+ *  .swap-animation.ng-leave-active {
+ *    top:250px;
+ *  }
+ *  .red { background:red; }
+ *  .green { background:green; }
+ *  .blue { background:blue; }
+ *  .yellow { background:yellow; }
+ *  .orange { background:orange; }
+ *  </file>
+ * </example>
+ */
+var ngAnimateSwapDirective = ['$animate', '$rootScope', function($animate, $rootScope) {
+  return {
+    restrict: 'A',
+    transclude: 'element',
+    terminal: true,
+    priority: 600, // we use 600 here to ensure that the directive is caught before others
+    link: function(scope, $element, attrs, ctrl, $transclude) {
+      var previousElement, previousScope;
+      scope.$watchCollection(attrs.ngAnimateSwap || attrs['for'], function(value) {
+        if (previousElement) {
+          $animate.leave(previousElement);
+        }
+        if (previousScope) {
+          previousScope.$destroy();
+          previousScope = null;
+        }
+        if (value || value === 0) {
+          previousScope = scope.$new();
+          $transclude(previousScope, function(element) {
+            previousElement = element;
+            $animate.enter(element, null, $element);
+          });
+        }
+      });
+    }
+  };
+}];
+
 /* global angularAnimateModule: true,
 
-   $$BodyProvider,
+   ngAnimateSwapDirective,
    $$AnimateAsyncRunFactory,
    $$rAFSchedulerFactory,
    $$AnimateChildrenDirective,
-   $$AnimateRunnerFactory,
    $$AnimateQueueProvider,
    $$AnimationProvider,
    $AnimateCssProvider,
@@ -3354,11 +3591,39 @@ var $$AnimationProvider = ['$animateProvider', function($animateProvider) {
  * the CSS class once an animation has completed.)
  *
  *
+ * ### The `ng-[event]-prepare` class
+ *
+ * This is a special class that can be used to prevent unwanted flickering / flash of content before
+ * the actual animation starts. The class is added as soon as an animation is initialized, but removed
+ * before the actual animation starts (after waiting for a $digest).
+ * It is also only added for *structural* animations (`enter`, `move`, and `leave`).
+ *
+ * In practice, flickering can appear when nesting elements with structural animations such as `ngIf`
+ * into elements that have class-based animations such as `ngClass`.
+ *
+ * ```html
+ * <div ng-class="{red: myProp}">
+ *   <div ng-class="{blue: myProp}">
+ *     <div class="message" ng-if="myProp"></div>
+ *   </div>
+ * </div>
+ * ```
+ *
+ * It is possible that during the `enter` animation, the `.message` div will be briefly visible before it starts animating.
+ * In that case, you can add styles to the CSS that make sure the element stays hidden before the animation starts:
+ *
+ * ```css
+ * .message.ng-enter-prepare {
+ *   opacity: 0;
+ * }
+ *
+ * ```
+ *
  * ## JavaScript-based Animations
  *
  * ngAnimate also allows for animations to be consumed by JavaScript code. The approach is similar to CSS-based animations (where there is a shared
  * CSS class that is referenced in our HTML code) but in addition we need to register the JavaScript animation on the module. By making use of the
- * `module.animation()` module function we can register the ainmation.
+ * `module.animation()` module function we can register the animation.
  *
  * Let's see an example of a enter/leave animation using `ngRepeat`:
  *
@@ -3390,7 +3655,7 @@ var $$AnimationProvider = ['$animateProvider', function($animateProvider) {
  *       jQuery(element).fadeOut(1000, doneFn);
  *     }
  *   }
- * }]
+ * }]);
  * ```
  *
  * The nice thing about JS-based animations is that we can inject other services and make use of advanced animation libraries such as
@@ -3421,7 +3686,7 @@ var $$AnimationProvider = ['$animateProvider', function($animateProvider) {
  *       // do some cool animation and call the doneFn
  *     }
  *   }
- * }]
+ * }]);
  * ```
  *
  * ## CSS + JS Animations Together
@@ -3443,7 +3708,7 @@ var $$AnimationProvider = ['$animateProvider', function($animateProvider) {
  *       jQuery(element).slideIn(1000, doneFn);
  *     }
  *   }
- * }]
+ * }]);
  * ```
  *
  * ```css
@@ -3463,16 +3728,15 @@ var $$AnimationProvider = ['$animateProvider', function($animateProvider) {
  * ```js
  * myModule.animation('.slide', ['$animateCss', function($animateCss) {
  *   return {
- *     enter: function(element, doneFn) {
+ *     enter: function(element) {
 *        // this will trigger `.slide.ng-enter` and `.slide.ng-enter-active`.
- *       var runner = $animateCss(element, {
+ *       return $animateCss(element, {
  *         event: 'enter',
  *         structural: true
- *       }).start();
-*        runner.done(doneFn);
+ *       });
  *     }
  *   }
- * }]
+ * }]);
  * ```
  *
  * The nice thing here is that we can save bandwidth by sticking to our CSS-based animation code and we don't need to rely on a 3rd-party animation framework.
@@ -3484,19 +3748,17 @@ var $$AnimationProvider = ['$animateProvider', function($animateProvider) {
  * ```js
  * myModule.animation('.slide', ['$animateCss', function($animateCss) {
  *   return {
- *     enter: function(element, doneFn) {
- *       var runner = $animateCss(element, {
+ *     enter: function(element) {
+ *       return $animateCss(element, {
  *         event: 'enter',
  *         structural: true,
  *         addClass: 'maroon-setting',
  *         from: { height:0 },
  *         to: { height: 200 }
- *       }).start();
- *
- *       runner.done(doneFn);
+ *       });
  *     }
  *   }
- * }]
+ * }]);
  * ```
  *
  * Now we can fill in the rest via our transition CSS code:
@@ -3841,14 +4103,11 @@ var $$AnimationProvider = ['$animateProvider', function($animateProvider) {
  * Click here {@link ng.$animate to learn more about animations with `$animate`}.
  */
 angular.module('ngAnimate', [])
-  .provider('$$body', $$BodyProvider)
+  .directive('ngAnimateSwap', ngAnimateSwapDirective)
 
   .directive('ngAnimateChildren', $$AnimateChildrenDirective)
   .factory('$$rAFScheduler', $$rAFSchedulerFactory)
 
-  .factory('$$AnimateRunner', $$AnimateRunnerFactory)
-  .factory('$$animateAsyncRun', $$AnimateAsyncRunFactory)
-
   .provider('$$animateQueue', $$AnimateQueueProvider)
   .provider('$$animation', $$AnimationProvider)
 


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