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Diffstat (limited to 'webclient/js/angular-animate.js')
| -rw-r--r-- | webclient/js/angular-animate.js | 1045 |
1 files changed, 618 insertions, 427 deletions
diff --git a/webclient/js/angular-animate.js b/webclient/js/angular-animate.js index bea4bc5232..c15f793c1b 100644 --- a/webclient/js/angular-animate.js +++ b/webclient/js/angular-animate.js @@ -1,5 +1,5 @@ /** - * @license AngularJS v1.2.20 + * @license AngularJS v1.3.0-rc.1 * (c) 2010-2014 Google, Inc. http://angularjs.org * License: MIT */ @@ -12,11 +12,8 @@ * @name ngAnimate * @description * - * # ngAnimate - * * The `ngAnimate` module provides support for JavaScript, CSS3 transition and CSS3 keyframe animation hooks within existing core and custom directives. * - * * <div doc-module-components="ngAnimate"></div> * * # Usage @@ -28,17 +25,18 @@ * * Below is a more detailed breakdown of the supported animation events provided by pre-existing ng directives: * - * | Directive | Supported Animations | - * |---------------------------------------------------------- |----------------------------------------------------| - * | {@link ng.directive:ngRepeat#usage_animations ngRepeat} | enter, leave and move | - * | {@link ngRoute.directive:ngView#usage_animations ngView} | enter and leave | - * | {@link ng.directive:ngInclude#usage_animations ngInclude} | enter and leave | - * | {@link ng.directive:ngSwitch#usage_animations ngSwitch} | enter and leave | - * | {@link ng.directive:ngIf#usage_animations ngIf} | enter and leave | - * | {@link ng.directive:ngClass#usage_animations ngClass} | add and remove | - * | {@link ng.directive:ngShow#usage_animations ngShow & ngHide} | add and remove (the ng-hide class value) | - * | {@link ng.directive:form#usage_animations form} | add and remove (dirty, pristine, valid, invalid & all other validations) | - * | {@link ng.directive:ngModel#usage_animations ngModel} | add and remove (dirty, pristine, valid, invalid & all other validations) | + * | Directive | Supported Animations | + * |-----------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------| + * | {@link ng.directive:ngRepeat#usage_animations ngRepeat} | enter, leave and move | + * | {@link ngRoute.directive:ngView#usage_animations ngView} | enter and leave | + * | {@link ng.directive:ngInclude#usage_animations ngInclude} | enter and leave | + * | {@link ng.directive:ngSwitch#usage_animations ngSwitch} | enter and leave | + * | {@link ng.directive:ngIf#usage_animations ngIf} | enter and leave | + * | {@link ng.directive:ngClass#usage_animations ngClass} | add and remove (the CSS class(es) present) | + * | {@link ng.directive:ngShow#usage_animations ngShow} & {@link ng.directive:ngHide#usage_animations ngHide} | add and remove (the ng-hide class value) | + * | {@link ng.directive:form#usage_animations form} & {@link ng.directive:ngModel#usage_animations ngModel} | add and remove (dirty, pristine, valid, invalid & all other validations) | + * | {@link ngMessages.directive:ngMessage#usage_animations ngMessages} | add and remove (ng-active & ng-inactive) | + * | {@link ngMessages.directive:ngMessage#usage_animations ngMessage} | enter and leave | * * You can find out more information about animations upon visiting each directive page. * @@ -52,9 +50,9 @@ * } * * .slide.ng-enter { } /* starting animations for enter */ - * .slide.ng-enter-active { } /* terminal animations for enter */ + * .slide.ng-enter.ng-enter-active { } /* terminal animations for enter */ * .slide.ng-leave { } /* starting animations for leave */ - * .slide.ng-leave-active { } /* terminal animations for leave */ + * .slide.ng-leave.ng-leave-active { } /* terminal animations for leave */ * </style> * * <!-- @@ -81,6 +79,16 @@ * When the `on` expression value changes and an animation is triggered then each of the elements within * will all animate without the block being applied to child elements. * + * ## Are animations run when the application starts? + * No they are not. When an application is bootstrapped Angular will disable animations from running to avoid + * a frenzy of animations from being triggered as soon as the browser has rendered the screen. For this to work, + * Angular will wait for two digest cycles until enabling animations. From there on, any animation-triggering + * layout changes in the application will trigger animations as normal. + * + * In addition, upon bootstrap, if the routing system or any directives or load remote data (via $http) then Angular + * will automatically extend the wait time to enable animations once **all** of the outbound HTTP requests + * are complete. + * * <h2>CSS-defined Animations</h2> * The animate service will automatically apply two CSS classes to the animated element and these two CSS classes * are designed to contain the start and end CSS styling. Both CSS transitions and keyframe animations are supported @@ -150,7 +158,74 @@ * immediately resulting in a DOM element that is at its final state. This final state is when the DOM element * has no CSS transition/animation classes applied to it. * - * <h3>CSS Staggering Animations</h3> + * ### Structural transition animations + * + * Structural transitions (such as enter, leave and move) will always apply a `0s none` transition + * value to force the browser into rendering the styles defined in the setup (.ng-enter, .ng-leave + * or .ng-move) class. This means that any active transition animations operating on the element + * will be cut off to make way for the enter, leave or move animation. + * + * ### Class-based transition animations + * + * Class-based transitions refer to transition animations that are triggered when a CSS class is + * added to or removed from the element (via `$animate.addClass`, `$animate.removeClass`, + * `$animate.setClass`, or by directives such as `ngClass`, `ngModel` and `form`). + * They are different when compared to structural animations since they **do not cancel existing + * animations** nor do they **block successive transitions** from rendering on the same element. + * This distinction allows for **multiple class-based transitions** to be performed on the same element. + * + * In addition to ngAnimate supporting the default (natural) functionality of class-based transition + * animations, ngAnimate also decorates the element with starting and ending CSS classes to aid the + * developer in further styling the element throughout the transition animation. Earlier versions + * of ngAnimate may have caused natural CSS transitions to break and not render properly due to + * $animate temporarily blocking transitions using `0s none` in order to allow the setup CSS class + * (the `-add` or `-remove` class) to be applied without triggering an animation. However, as of + * **version 1.3**, this workaround has been removed with ngAnimate and all non-ngAnimate CSS + * class transitions are compatible with ngAnimate. + * + * There is, however, one special case when dealing with class-based transitions in ngAnimate. + * When rendering class-based transitions that make use of the setup and active CSS classes + * (e.g. `.fade-add` and `.fade-add-active` for when `.fade` is added) be sure to define + * the transition value **on the active CSS class** and not the setup class. + * + * ```css + * .fade-add { + * /* remember to place a 0s transition here + * to ensure that the styles are applied instantly + * even if the element already has a transition style */ + * transition:0s linear all; + * + * /* starting CSS styles */ + * opacity:1; + * } + * .fade-add.fade-add-active { + * /* this will be the length of the animation */ + * transition:1s linear all; + * opacity:0; + * } + * ``` + * + * The setup CSS class (in this case `.fade-add`) also has a transition style property, however, it + * has a duration of zero. This may not be required, however, incase the browser is unable to render + * the styling present in this CSS class instantly then it could be that the browser is attempting + * to perform an unnecessary transition. + * + * This workaround, however, does not apply to standard class-based transitions that are rendered + * when a CSS class containing a transition is applied to an element: + * + * ```css + * .fade { + * /* this works as expected */ + * transition:1s linear all; + * opacity:0; + * } + * ``` + * + * Please keep this in mind when coding the CSS markup that will be used within class-based transitions. + * Also, try not to mix the two class-based animation flavors together since the CSS code may become + * overly complex. + * + * ### CSS Staggering Animations * A Staggering animation is a collection of animations that are issued with a slight delay in between each successive operation resulting in a * curtain-like effect. The ngAnimate module, as of 1.2.0, supports staggering animations and the stagger effect can be * performed by creating a **ng-EVENT-stagger** CSS class and attaching that class to the base CSS class used for @@ -205,7 +280,7 @@ * * Stagger animations are currently only supported within CSS-defined animations. * - * <h2>JavaScript-defined Animations</h2> + * ## JavaScript-defined Animations * In the event that you do not want to use CSS3 transitions or CSS3 animations or if you wish to offer animations on browsers that do not * yet support CSS transitions/animations, then you can make use of JavaScript animations defined inside of your AngularJS module. * @@ -273,7 +348,7 @@ angular.module('ngAnimate', ['ng']) var NG_ANIMATE_CHILDREN = '$$ngAnimateChildren'; return function(scope, element, attrs) { var val = attrs.ngAnimateChildren; - if(angular.isString(val) && val.length === 0) { //empty attribute + if (angular.isString(val) && val.length === 0) { //empty attribute element.data(NG_ANIMATE_CHILDREN, true); } else { scope.$watch(val, function(value) { @@ -307,6 +382,7 @@ angular.module('ngAnimate', ['ng']) var noop = angular.noop; var forEach = angular.forEach; var selectors = $animateProvider.$$selectors; + var isArray = angular.isArray; var ELEMENT_NODE = 1; var NG_ANIMATE_STATE = '$$ngAnimateState'; @@ -317,7 +393,7 @@ angular.module('ngAnimate', ['ng']) function extractElementNode(element) { for(var i = 0; i < element.length; i++) { var elm = element[i]; - if(elm.nodeType == ELEMENT_NODE) { + if (elm.nodeType == ELEMENT_NODE) { return elm; } } @@ -335,24 +411,38 @@ angular.module('ngAnimate', ['ng']) return extractElementNode(elm1) == extractElementNode(elm2); } - $provide.decorator('$animate', ['$delegate', '$injector', '$sniffer', '$rootElement', '$$asyncCallback', '$rootScope', '$document', - function($delegate, $injector, $sniffer, $rootElement, $$asyncCallback, $rootScope, $document) { + $provide.decorator('$animate', + ['$delegate', '$$q', '$injector', '$sniffer', '$rootElement', '$$asyncCallback', '$rootScope', '$document', '$templateRequest', + function($delegate, $$q, $injector, $sniffer, $rootElement, $$asyncCallback, $rootScope, $document, $templateRequest) { - var globalAnimationCounter = 0; $rootElement.data(NG_ANIMATE_STATE, rootAnimateState); - // disable animations during bootstrap, but once we bootstrapped, wait again - // for another digest until enabling animations. The reason why we digest twice - // is because all structural animations (enter, leave and move) all perform a - // post digest operation before animating. If we only wait for a single digest - // to pass then the structural animation would render its animation on page load. - // (which is what we're trying to avoid when the application first boots up.) - $rootScope.$$postDigest(function() { - $rootScope.$$postDigest(function() { - rootAnimateState.running = false; - }); - }); + // Wait until all directive and route-related templates are downloaded and + // compiled. The $templateRequest.totalPendingRequests variable keeps track of + // all of the remote templates being currently downloaded. If there are no + // templates currently downloading then the watcher will still fire anyway. + var deregisterWatch = $rootScope.$watch( + function() { return $templateRequest.totalPendingRequests; }, + function(val, oldVal) { + if (val !== 0) return; + deregisterWatch(); + + // Now that all templates have been downloaded, $animate will wait until + // the post digest queue is empty before enabling animations. By having two + // calls to $postDigest calls we can ensure that the flag is enabled at the + // very end of the post digest queue. Since all of the animations in $animate + // use $postDigest, it's important that the code below executes at the end. + // This basically means that the page is fully downloaded and compiled before + // any animations are triggered. + $rootScope.$$postDigest(function() { + $rootScope.$$postDigest(function() { + rootAnimateState.running = false; + }); + }); + } + ); + var globalAnimationCounter = 0; var classNameFilter = $animateProvider.classNameFilter(); var isAnimatableClassName = !classNameFilter ? function() { return true; } @@ -360,10 +450,81 @@ angular.module('ngAnimate', ['ng']) return classNameFilter.test(className); }; - function blockElementAnimations(element) { + function classBasedAnimationsBlocked(element, setter) { var data = element.data(NG_ANIMATE_STATE) || {}; - data.running = true; - element.data(NG_ANIMATE_STATE, data); + if (setter) { + data.running = true; + data.structural = true; + element.data(NG_ANIMATE_STATE, data); + } + return data.disabled || (data.running && data.structural); + } + + function runAnimationPostDigest(fn) { + var cancelFn, defer = $$q.defer(); + defer.promise.$$cancelFn = function() { + cancelFn && cancelFn(); + }; + $rootScope.$$postDigest(function() { + cancelFn = fn(function() { + defer.resolve(); + }); + }); + return defer.promise; + } + + function resolveElementClasses(element, cache, runningAnimations) { + runningAnimations = runningAnimations || {}; + var map = {}; + + forEach(cache.add, function(className) { + if (className && className.length) { + map[className] = map[className] || 0; + map[className]++; + } + }); + + forEach(cache.remove, function(className) { + if (className && className.length) { + map[className] = map[className] || 0; + map[className]--; + } + }); + + var lookup = []; + forEach(runningAnimations, function(data, selector) { + forEach(selector.split(' '), function(s) { + lookup[s]=data; + }); + }); + + var toAdd = [], toRemove = []; + forEach(map, function(status, className) { + var hasClass = angular.$$hasClass(element[0], className); + var matchingAnimation = lookup[className] || {}; + + // When addClass and removeClass is called then $animate will check to + // see if addClass and removeClass cancel each other out. When there are + // more calls to removeClass than addClass then the count falls below 0 + // and then the removeClass animation will be allowed. Otherwise if the + // count is above 0 then that means an addClass animation will commence. + // Once an animation is allowed then the code will also check to see if + // there exists any on-going animation that is already adding or remvoing + // the matching CSS class. + if (status < 0) { + //does it have the class or will it have the class + if (hasClass || matchingAnimation.event == 'addClass') { + toRemove.push(className); + } + } else if (status > 0) { + //is the class missing or will it be removed? + if (!hasClass || matchingAnimation.event == 'removeClass') { + toAdd.push(className); + } + } + }); + + return (toAdd.length + toRemove.length) > 0 && [toAdd.join(' '), toRemove.join(' ')]; } function lookup(name) { @@ -387,7 +548,7 @@ angular.module('ngAnimate', ['ng']) for(var i=0; i < classes.length; i++) { var klass = classes[i], selectorFactoryName = selectors[klass]; - if(selectorFactoryName && !flagMap[klass]) { + if (selectorFactoryName && !flagMap[klass]) { matches.push($injector.get(selectorFactoryName)); flagMap[klass] = true; } @@ -400,25 +561,34 @@ angular.module('ngAnimate', ['ng']) //transcluded directives may sometimes fire an animation using only comment nodes //best to catch this early on to prevent any animation operations from occurring var node = element[0]; - if(!node) { + if (!node) { return; } + var classNameAdd; + var classNameRemove; + if (isArray(className)) { + classNameAdd = className[0]; + classNameRemove = className[1]; + if (!classNameAdd) { + className = classNameRemove; + animationEvent = 'removeClass'; + } else if (!classNameRemove) { + className = classNameAdd; + animationEvent = 'addClass'; + } else { + className = classNameAdd + ' ' + classNameRemove; + } + } + var isSetClassOperation = animationEvent == 'setClass'; var isClassBased = isSetClassOperation || animationEvent == 'addClass' || animationEvent == 'removeClass'; - var classNameAdd, classNameRemove; - if(angular.isArray(className)) { - classNameAdd = className[0]; - classNameRemove = className[1]; - className = classNameAdd + ' ' + classNameRemove; - } - var currentClassName = element.attr('class'); var classes = currentClassName + ' ' + className; - if(!isAnimatableClassName(classes)) { + if (!isAnimatableClassName(classes)) { return; } @@ -432,7 +602,7 @@ angular.module('ngAnimate', ['ng']) var animationLookup = (' ' + classes).replace(/\s+/g,'.'); forEach(lookup(animationLookup), function(animationFactory) { var created = registerAnimation(animationFactory, animationEvent); - if(!created && isSetClassOperation) { + if (!created && isSetClassOperation) { registerAnimation(animationFactory, 'addClass'); registerAnimation(animationFactory, 'removeClass'); } @@ -441,8 +611,8 @@ angular.module('ngAnimate', ['ng']) function registerAnimation(animationFactory, event) { var afterFn = animationFactory[event]; var beforeFn = animationFactory['before' + event.charAt(0).toUpperCase() + event.substr(1)]; - if(afterFn || beforeFn) { - if(event == 'leave') { + if (afterFn || beforeFn) { + if (event == 'leave') { beforeFn = afterFn; //when set as null then animation knows to skip this phase afterFn = null; @@ -465,9 +635,9 @@ angular.module('ngAnimate', ['ng']) var count = 0; function afterAnimationComplete(index) { - if(cancellations) { + if (cancellations) { (cancellations[index] || noop)(); - if(++count < animations.length) return; + if (++count < animations.length) return; cancellations = null; } allCompleteFn(); @@ -496,7 +666,7 @@ angular.module('ngAnimate', ['ng']) } }); - if(cancellations && cancellations.length === 0) { + if (cancellations && cancellations.length === 0) { allCompleteFn(); } } @@ -522,13 +692,13 @@ angular.module('ngAnimate', ['ng']) }); }, cancel : function() { - if(beforeCancel) { + if (beforeCancel) { forEach(beforeCancel, function(cancelFn) { (cancelFn || noop)(true); }); beforeComplete(true); } - if(afterCancel) { + if (afterCancel) { forEach(afterCancel, function(cancelFn) { (cancelFn || noop)(true); }); @@ -541,7 +711,7 @@ angular.module('ngAnimate', ['ng']) /** * @ngdoc service * @name $animate - * @kind function + * @kind object * * @description * The `$animate` service provides animation detection support while performing DOM operations (enter, leave and move) as well as during addClass and removeClass operations. @@ -555,6 +725,46 @@ angular.module('ngAnimate', ['ng']) * Requires the {@link ngAnimate `ngAnimate`} module to be installed. * * Please visit the {@link ngAnimate `ngAnimate`} module overview page learn more about how to use animations in your application. + * ## Callback Promises + * With AngularJS 1.3, each of the animation methods, on the `$animate` service, return a promise when called. The + * promise itself is then resolved once the animation has completed itself, has been cancelled or has been + * skipped due to animations being disabled. (Note that even if the animation is cancelled it will still + * call the resolve function of the animation.) + * + * ```js + * $animate.enter(element, container).then(function() { + * //...this is called once the animation is complete... + * }); + * ``` + * + * Also note that, due to the nature of the callback promise, if any Angular-specific code (like changing the scope, + * location of the page, etc...) is executed within the callback promise then be sure to wrap the code using + * `$scope.$apply(...)`; + * + * ```js + * $animate.leave(element).then(function() { + * $scope.$apply(function() { + * $location.path('/new-page'); + * }); + * }); + * ``` + * + * An animation can also be cancelled by calling the `$animate.cancel(promise)` method with the provided + * promise that was returned when the animation was started. + * + * ```js + * var promise = $animate.addClass(element, 'super-long-animation').then(function() { + * //this will still be called even if cancelled + * }); + * + * element.on('click', function() { + * //tooo lazy to wait for the animation to end + * $animate.cancel(promise); + * }); + * ``` + * + * (Keep in mind that the promise cancellation is unique to `$animate` since promises in + * general cannot be cancelled.) * */ return { @@ -569,34 +779,36 @@ angular.module('ngAnimate', ['ng']) * * Below is a breakdown of each step that occurs during enter animation: * - * | Animation Step | What the element class attribute looks like | - * |----------------------------------------------------------------------------------------------|---------------------------------------------| - * | 1. $animate.enter(...) is called | class="my-animation" | - * | 2. element is inserted into the parentElement element or beside the afterElement element | class="my-animation" | - * | 3. $animate runs any JavaScript-defined animations on the element | class="my-animation ng-animate" | - * | 4. the .ng-enter class is added to the element | class="my-animation ng-animate ng-enter" | - * | 5. $animate scans the element styles to get the CSS transition/animation duration and delay | class="my-animation ng-animate ng-enter" | - * | 6. $animate waits for 10ms (this performs a reflow) | class="my-animation ng-animate ng-enter" | - * | 7. the .ng-enter-active and .ng-animate-active classes are added (this triggers the CSS transition/animation) | class="my-animation ng-animate ng-animate-active ng-enter ng-enter-active" | - * | 8. $animate waits for X milliseconds for the animation to complete | class="my-animation ng-animate ng-animate-active ng-enter ng-enter-active" | - * | 9. The animation ends and all generated CSS classes are removed from the element | class="my-animation" | - * | 10. The doneCallback() callback is fired (if provided) | class="my-animation" | + * | Animation Step | What the element class attribute looks like | + * |-------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------| + * | 1. $animate.enter(...) is called | class="my-animation" | + * | 2. element is inserted into the parentElement element or beside the afterElement element | class="my-animation" | + * | 3. $animate waits for the next digest to start the animation | class="my-animation ng-animate" | + * | 4. $animate runs the JavaScript-defined animations detected on the element | class="my-animation ng-animate" | + * | 5. the .ng-enter class is added to the element | class="my-animation ng-animate ng-enter" | + * | 6. $animate scans the element styles to get the CSS transition/animation duration and delay | class="my-animation ng-animate ng-enter" | + * | 7. $animate blocks all CSS transitions on the element to ensure the .ng-enter class styling is applied right away | class="my-animation ng-animate ng-enter" | + * | 8. $animate waits for a single animation frame (this performs a reflow) | class="my-animation ng-animate ng-enter" | + * | 9. $animate removes the CSS transition block placed on the element | class="my-animation ng-animate ng-enter" | + * | 10. the .ng-enter-active class is added (this triggers the CSS transition/animation) | class="my-animation ng-animate ng-enter ng-enter-active" | + * | 11. $animate waits for the animation to complete (via events and timeout) | class="my-animation ng-animate ng-enter ng-enter-active" | + * | 12. The animation ends and all generated CSS classes are removed from the element | class="my-animation" | + * | 13. The returned promise is resolved. | class="my-animation" | * * @param {DOMElement} element the element that will be the focus of the enter animation * @param {DOMElement} parentElement the parent element of the element that will be the focus of the enter animation * @param {DOMElement} afterElement the sibling element (which is the previous element) of the element that will be the focus of the enter animation - * @param {function()=} doneCallback the callback function that will be called once the animation is complete + * @return {Promise} the animation callback promise */ - enter : function(element, parentElement, afterElement, doneCallback) { + enter : function(element, parentElement, afterElement) { element = angular.element(element); parentElement = prepareElement(parentElement); afterElement = prepareElement(afterElement); - blockElementAnimations(element); + classBasedAnimationsBlocked(element, true); $delegate.enter(element, parentElement, afterElement); - $rootScope.$$postDigest(function() { - element = stripCommentsFromElement(element); - performAnimation('enter', 'ng-enter', element, parentElement, afterElement, noop, doneCallback); + return runAnimationPostDigest(function(done) { + return performAnimation('enter', 'ng-enter', stripCommentsFromElement(element), parentElement, afterElement, noop, done); }); }, @@ -611,30 +823,35 @@ angular.module('ngAnimate', ['ng']) * * Below is a breakdown of each step that occurs during leave animation: * - * | Animation Step | What the element class attribute looks like | - * |----------------------------------------------------------------------------------------------|---------------------------------------------| - * | 1. $animate.leave(...) is called | class="my-animation" | - * | 2. $animate runs any JavaScript-defined animations on the element | class="my-animation ng-animate" | - * | 3. the .ng-leave class is added to the element | class="my-animation ng-animate ng-leave" | - * | 4. $animate scans the element styles to get the CSS transition/animation duration and delay | class="my-animation ng-animate ng-leave" | - * | 5. $animate waits for 10ms (this performs a reflow) | class="my-animation ng-animate ng-leave" | - * | 6. the .ng-leave-active and .ng-animate-active classes is added (this triggers the CSS transition/animation) | class="my-animation ng-animate ng-animate-active ng-leave ng-leave-active" | - * | 7. $animate waits for X milliseconds for the animation to complete | class="my-animation ng-animate ng-animate-active ng-leave ng-leave-active" | - * | 8. The animation ends and all generated CSS classes are removed from the element | class="my-animation" | - * | 9. The element is removed from the DOM | ... | - * | 10. The doneCallback() callback is fired (if provided) | ... | + * | Animation Step | What the element class attribute looks like | + * |-------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------| + * | 1. $animate.leave(...) is called | class="my-animation" | + * | 2. $animate runs the JavaScript-defined animations detected on the element | class="my-animation ng-animate" | + * | 3. $animate waits for the next digest to start the animation | class="my-animation ng-animate" | + * | 4. the .ng-leave class is added to the element | class="my-animation ng-animate ng-leave" | + * | 5. $animate scans the element styles to get the CSS transition/animation duration and delay | class="my-animation ng-animate ng-leave" | + * | 6. $animate blocks all CSS transitions on the element to ensure the .ng-leave class styling is applied right away | class="my-animation ng-animate ng-leave” | + * | 7. $animate waits for a single animation frame (this performs a reflow) | class="my-animation ng-animate ng-leave" | + * | 8. $animate removes the CSS transition block placed on the element | class="my-animation ng-animate ng-leave” | + * | 9. the .ng-leave-active class is added (this triggers the CSS transition/animation) | class="my-animation ng-animate ng-leave ng-leave-active" | + * | 10. $animate waits for the animation to complete (via events and timeout) | class="my-animation ng-animate ng-leave ng-leave-active" | + * | 11. The animation ends and all generated CSS classes are removed from the element | class="my-animation" | + * | 12. The element is removed from the DOM | ... | + * | 13. The returned promise is resolved. | ... | * * @param {DOMElement} element the element that will be the focus of the leave animation - * @param {function()=} doneCallback the callback function that will be called once the animation is complete + * @return {Promise} the animation callback promise */ - leave : function(element, doneCallback) { + leave : function(element) { element = angular.element(element); + cancelChildAnimations(element); - blockElementAnimations(element); - $rootScope.$$postDigest(function() { - performAnimation('leave', 'ng-leave', stripCommentsFromElement(element), null, null, function() { + classBasedAnimationsBlocked(element, true); + this.enabled(false, element); + return runAnimationPostDigest(function(done) { + return performAnimation('leave', 'ng-leave', stripCommentsFromElement(element), null, null, function() { $delegate.leave(element); - }, doneCallback); + }, done); }); }, @@ -650,35 +867,37 @@ angular.module('ngAnimate', ['ng']) * * Below is a breakdown of each step that occurs during move animation: * - * | Animation Step | What the element class attribute looks like | - * |----------------------------------------------------------------------------------------------|---------------------------------------------| - * | 1. $animate.move(...) is called | class="my-animation" | - * | 2. element is moved into the parentElement element or beside the afterElement element | class="my-animation" | - * | 3. $animate runs any JavaScript-defined animations on the element | class="my-animation ng-animate" | - * | 4. the .ng-move class is added to the element | class="my-animation ng-animate ng-move" | - * | 5. $animate scans the element styles to get the CSS transition/animation duration and delay | class="my-animation ng-animate ng-move" | - * | 6. $animate waits for 10ms (this performs a reflow) | class="my-animation ng-animate ng-move" | - * | 7. the .ng-move-active and .ng-animate-active classes is added (this triggers the CSS transition/animation) | class="my-animation ng-animate ng-animate-active ng-move ng-move-active" | - * | 8. $animate waits for X milliseconds for the animation to complete | class="my-animation ng-animate ng-animate-active ng-move ng-move-active" | - * | 9. The animation ends and all generated CSS classes are removed from the element | class="my-animation" | - * | 10. The doneCallback() callback is fired (if provided) | class="my-animation" | + * | Animation Step | What the element class attribute looks like | + * |------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------| + * | 1. $animate.move(...) is called | class="my-animation" | + * | 2. element is moved into the parentElement element or beside the afterElement element | class="my-animation" | + * | 3. $animate waits for the next digest to start the animation | class="my-animation ng-animate" | + * | 4. $animate runs the JavaScript-defined animations detected on the element | class="my-animation ng-animate" | + * | 5. the .ng-move class is added to the element | class="my-animation ng-animate ng-move" | + * | 6. $animate scans the element styles to get the CSS transition/animation duration and delay | class="my-animation ng-animate ng-move" | + * | 7. $animate blocks all CSS transitions on the element to ensure the .ng-move class styling is applied right away | class="my-animation ng-animate ng-move” | + * | 8. $animate waits for a single animation frame (this performs a reflow) | class="my-animation ng-animate ng-move" | + * | 9. $animate removes the CSS transition block placed on the element | class="my-animation ng-animate ng-move” | + * | 10. the .ng-move-active class is added (this triggers the CSS transition/animation) | class="my-animation ng-animate ng-move ng-move-active" | + * | 11. $animate waits for the animation to complete (via events and timeout) | class="my-animation ng-animate ng-move ng-move-active" | + * | 12. The animation ends and all generated CSS classes are removed from the element | class="my-animation" | + * | 13. The returned promise is resolved. | class="my-animation" | * * @param {DOMElement} element the element that will be the focus of the move animation * @param {DOMElement} parentElement the parentElement element of the element that will be the focus of the move animation * @param {DOMElement} afterElement the sibling element (which is the previous element) of the element that will be the focus of the move animation - * @param {function()=} doneCallback the callback function that will be called once the animation is complete + * @return {Promise} the animation callback promise */ - move : function(element, parentElement, afterElement, doneCallback) { + move : function(element, parentElement, afterElement) { element = angular.element(element); parentElement = prepareElement(parentElement); afterElement = prepareElement(afterElement); cancelChildAnimations(element); - blockElementAnimations(element); + classBasedAnimationsBlocked(element, true); $delegate.move(element, parentElement, afterElement); - $rootScope.$$postDigest(function() { - element = stripCommentsFromElement(element); - performAnimation('move', 'ng-move', element, parentElement, afterElement, noop, doneCallback); + return runAnimationPostDigest(function(done) { + return performAnimation('move', 'ng-move', stripCommentsFromElement(element), parentElement, afterElement, noop, done); }); }, @@ -690,33 +909,29 @@ angular.module('ngAnimate', ['ng']) * Triggers a custom animation event based off the className variable and then attaches the className value to the element as a CSS class. * Unlike the other animation methods, the animate service will suffix the className value with {@type -add} in order to provide * the animate service the setup and active CSS classes in order to trigger the animation (this will be skipped if no CSS transitions - * or keyframes are defined on the -add or base CSS class). + * or keyframes are defined on the -add-active or base CSS class). * * Below is a breakdown of each step that occurs during addClass animation: * - * | Animation Step | What the element class attribute looks like | - * |------------------------------------------------------------------------------------------------|---------------------------------------------| - * | 1. $animate.addClass(element, 'super') is called | class="my-animation" | - * | 2. $animate runs any JavaScript-defined animations on the element | class="my-animation ng-animate" | - * | 3. the .super-add class are added to the element | class="my-animation ng-animate super-add" | - * | 4. $animate scans the element styles to get the CSS transition/animation duration and delay | class="my-animation ng-animate super-add" | - * | 5. $animate waits for 10ms (this performs a reflow) | class="my-animation ng-animate super-add" | - * | 6. the .super, .super-add-active and .ng-animate-active classes are added (this triggers the CSS transition/animation) | class="my-animation ng-animate ng-animate-active super super-add super-add-active" | - * | 7. $animate waits for X milliseconds for the animation to complete | class="my-animation super super-add super-add-active" | - * | 8. The animation ends and all generated CSS classes are removed from the element | class="my-animation super" | - * | 9. The super class is kept on the element | class="my-animation super" | - * | 10. The doneCallback() callback is fired (if provided) | class="my-animation super" | + * | Animation Step | What the element class attribute looks like | + * |----------------------------------------------------------------------------------------------------|------------------------------------------------------------------| + * | 1. $animate.addClass(element, 'super') is called | class="my-animation" | + * | 2. $animate runs the JavaScript-defined animations detected on the element | class="my-animation ng-animate" | + * | 3. the .super-add class is added to the element | class="my-animation ng-animate super-add" | + * | 4. $animate waits for a single animation frame (this performs a reflow) | class="my-animation ng-animate super-add" | + * | 5. the .super and .super-add-active classes are added (this triggers the CSS transition/animation) | class="my-animation ng-animate super super-add super-add-active" | + * | 6. $animate scans the element styles to get the CSS transition/animation duration and delay | class="my-animation ng-animate super-add" | + * | 7. $animate waits for the animation to complete (via events and timeout) | class="my-animation super super-add super-add-active" | + * | 8. The animation ends and all generated CSS classes are removed from the element | class="my-animation super" | + * | 9. The super class is kept on the element | class="my-animation super" | + * | 10. The returned promise is resolved. | class="my-animation super" | * * @param {DOMElement} element the element that will be animated * @param {string} className the CSS class that will be added to the element and then animated - * @param {function()=} doneCallback the callback function that will be called once the animation is complete + * @return {Promise} the animation callback promise */ - addClass : function(element, className, doneCallback) { - element = angular.element(element); - element = stripCommentsFromElement(element); - performAnimation('addClass', className, element, null, null, function() { - $delegate.addClass(element, className); - }, doneCallback); + addClass : function(element, className) { + return this.setClass(element, className, []); }, /** @@ -731,51 +946,106 @@ angular.module('ngAnimate', ['ng']) * * Below is a breakdown of each step that occurs during removeClass animation: * - * | Animation Step | What the element class attribute looks like | - * |-----------------------------------------------------------------------------------------------|---------------------------------------------| - * | 1. $animate.removeClass(element, 'super') is called | class="my-animation super" | - * | 2. $animate runs any JavaScript-defined animations on the element | class="my-animation super ng-animate" | - * | 3. the .super-remove class are added to the element | class="my-animation super ng-animate super-remove"| - * | 4. $animate scans the element styles to get the CSS transition/animation duration and delay | class="my-animation super ng-animate super-remove" | - * | 5. $animate waits for 10ms (this performs a reflow) | class="my-animation super ng-animate super-remove" | - * | 6. the .super-remove-active and .ng-animate-active classes are added and .super is removed (this triggers the CSS transition/animation) | class="my-animation ng-animate ng-animate-active super-remove super-remove-active" | - * | 7. $animate waits for X milliseconds for the animation to complete | class="my-animation ng-animate ng-animate-active super-remove super-remove-active" | - * | 8. The animation ends and all generated CSS classes are removed from the element | class="my-animation" | - * | 9. The doneCallback() callback is fired (if provided) | class="my-animation" | + * | Animation Step | What the element class attribute looks like | + * |------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------| + * | 1. $animate.removeClass(element, 'super') is called | class="my-animation super" | + * | 2. $animate runs the JavaScript-defined animations detected on the element | class="my-animation super ng-animate" | + * | 3. the .super-remove class is added to the element | class="my-animation super ng-animate super-remove" | + * | 4. $animate waits for a single animation frame (this performs a reflow) | class="my-animation super ng-animate super-remove" | + * | 5. the .super-remove-active classes are added and .super is removed (this triggers the CSS transition/animation) | class="my-animation ng-animate super-remove super-remove-active" | + * | 6. $animate scans the element styles to get the CSS transition/animation duration and delay | class="my-animation super ng-animate super-remove" | + * | 7. $animate waits for the animation to complete (via events and timeout) | class="my-animation ng-animate super-remove super-remove-active" | + * | 8. The animation ends and all generated CSS classes are removed from the element | class="my-animation" | + * | 9. The returned promise is resolved. | class="my-animation" | * * * @param {DOMElement} element the element that will be animated * @param {string} className the CSS class that will be animated and then removed from the element - * @param {function()=} doneCallback the callback function that will be called once the animation is complete + * @return {Promise} the animation callback promise */ - removeClass : function(element, className, doneCallback) { - element = angular.element(element); - element = stripCommentsFromElement(element); - performAnimation('removeClass', className, element, null, null, function() { - $delegate.removeClass(element, className); - }, doneCallback); + removeClass : function(element, className) { + return this.setClass(element, [], className); }, - /** - * - * @ngdoc function - * @name $animate#setClass - * @function - * @description Adds and/or removes the given CSS classes to and from the element. - * Once complete, the done() callback will be fired (if provided). - * @param {DOMElement} element the element which will its CSS classes changed - * removed from it - * @param {string} add the CSS classes which will be added to the element - * @param {string} remove the CSS class which will be removed from the element - * @param {Function=} done the callback function (if provided) that will be fired after the - * CSS classes have been set on the element - */ - setClass : function(element, add, remove, doneCallback) { + /** + * + * @ngdoc method + * @name $animate#setClass + * + * @description Adds and/or removes the given CSS classes to and from the element. + * Once complete, the done() callback will be fired (if provided). + * + * | Animation Step | What the element class attribute looks like | + * |--------------------------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------| + * | 1. $animate.removeClass(element, ‘on’, ‘off’) is called | class="my-animation super off” | + * | 2. $animate runs the JavaScript-defined animations detected on the element | class="my-animation super ng-animate off” | + * | 3. the .on-add and .off-remove classes are added to the element | class="my-animation ng-animate on-add off-remove off” | + * | 4. $animate waits for a single animation frame (this performs a reflow) | class="my-animation ng-animate on-add off-remove off” | + * | 5. the .on, .on-add-active and .off-remove-active classes are added and .off is removed (this triggers the CSS transition/animation) | class="my-animation ng-animate on on-add on-add-active off-remove off-remove-active” | + * | 6. $animate scans the element styles to get the CSS transition/animation duration and delay | class="my-animation ng-animate on on-add on-add-active off-remove off-remove-active" | + * | 7. $animate waits for the animation to complete (via events and timeout) | class="my-animation ng-animate on on-add on-add-active off-remove off-remove-active" | + * | 8. The animation ends and all generated CSS classes are removed from the element | class="my-animation on" | + * | 9. The returned promise is resolved. | class="my-animation on" | + * + * @param {DOMElement} element the element which will have its CSS classes changed + * removed from it + * @param {string} add the CSS classes which will be added to the element + * @param {string} remove the CSS class which will be removed from the element + * CSS classes have been set on the element + * @return {Promise} the animation callback promise + */ + setClass : function(element, add, remove) { + var STORAGE_KEY = '$$animateClasses'; element = angular.element(element); element = stripCommentsFromElement(element); - performAnimation('setClass', [add, remove], element, null, null, function() { - $delegate.setClass(element, add, remove); - }, doneCallback); + + if (classBasedAnimationsBlocked(element)) { + return $delegate.setClass(element, add, remove); + } + + add = isArray(add) ? add : add.split(' '); + remove = isArray(remove) ? remove : remove.split(' '); + + var cache = element.data(STORAGE_KEY); + if (cache) { + cache.add = cache.add.concat(add); + cache.remove = cache.remove.concat(remove); + + //the digest cycle will combine all the animations into one function + return cache.promise; + } else { + element.data(STORAGE_KEY, cache = { + add : add, + remove : remove + }); + } + + return cache.promise = runAnimationPostDigest(function(done) { + var cache = element.data(STORAGE_KEY); + element.removeData(STORAGE_KEY); + + var state = element.data(NG_ANIMATE_STATE) || {}; + var classes = resolveElementClasses(element, cache, state.active); + return !classes + ? done() + : performAnimation('setClass', classes, element, null, null, function() { + $delegate.setClass(element, classes[0], classes[1]); + }, done); + }); + }, + + /** + * @ngdoc method + * @name $animate#cancel + * @kind function + * + * @param {Promise} animationPromise The animation promise that is returned when an animation is started. + * + * @description + * Cancels the provided animation. + */ + cancel : function(promise) { + promise.$$cancelFn(); }, /** @@ -794,7 +1064,7 @@ angular.module('ngAnimate', ['ng']) enabled : function(value, element) { switch(arguments.length) { case 2: - if(value) { + if (value) { cleanup(element); } else { var data = element.data(NG_ANIMATE_STATE) || {}; @@ -824,15 +1094,17 @@ angular.module('ngAnimate', ['ng']) */ function performAnimation(animationEvent, className, element, parentElement, afterElement, domOperation, doneCallback) { + var noopCancel = noop; var runner = animationRunner(element, animationEvent, className); - if(!runner) { + if (!runner) { fireDOMOperation(); fireBeforeCallbackAsync(); fireAfterCallbackAsync(); closeAnimation(); - return; + return noopCancel; } + animationEvent = runner.event; className = runner.className; var elementEvents = angular.element._data(runner.node); elementEvents = elementEvents && elementEvents.events; @@ -841,54 +1113,44 @@ angular.module('ngAnimate', ['ng']) parentElement = afterElement ? afterElement.parent() : element.parent(); } - var ngAnimateState = element.data(NG_ANIMATE_STATE) || {}; - var runningAnimations = ngAnimateState.active || {}; - var totalActiveAnimations = ngAnimateState.totalActive || 0; - var lastAnimation = ngAnimateState.last; - - //only allow animations if the currently running animation is not structural - //or if there is no animation running at all - var skipAnimations; - if (runner.isClassBased) { - skipAnimations = ngAnimateState.running || - ngAnimateState.disabled || - (lastAnimation && !lastAnimation.isClassBased); - } - //skip the animation if animations are disabled, a parent is already being animated, //the element is not currently attached to the document body or then completely close //the animation if any matching animations are not found at all. //NOTE: IE8 + IE9 should close properly (run closeAnimation()) in case an animation was found. - if (skipAnimations || animationsDisabled(element, parentElement)) { + if (animationsDisabled(element, parentElement)) { fireDOMOperation(); fireBeforeCallbackAsync(); fireAfterCallbackAsync(); closeAnimation(); - return; + return noopCancel; } + var ngAnimateState = element.data(NG_ANIMATE_STATE) || {}; + var runningAnimations = ngAnimateState.active || {}; + var totalActiveAnimations = ngAnimateState.totalActive || 0; + var lastAnimation = ngAnimateState.last; var skipAnimation = false; - if(totalActiveAnimations > 0) { + + if (totalActiveAnimations > 0) { var animationsToCancel = []; - if(!runner.isClassBased) { - if(animationEvent == 'leave' && runningAnimations['ng-leave']) { + if (!runner.isClassBased) { + if (animationEvent == 'leave' && runningAnimations['ng-leave']) { skipAnimation = true; } else { //cancel all animations when a structural animation takes place for(var klass in runningAnimations) { animationsToCancel.push(runningAnimations[klass]); - cleanup(element, klass); } - runningAnimations = {}; - totalActiveAnimations = 0; + ngAnimateState = {}; + cleanup(element, true); } - } else if(lastAnimation.event == 'setClass') { + } else if (lastAnimation.event == 'setClass') { animationsToCancel.push(lastAnimation); cleanup(element, className); } - else if(runningAnimations[className]) { + else if (runningAnimations[className]) { var current = runningAnimations[className]; - if(current.event == animationEvent) { + if (current.event == animationEvent) { skipAnimation = true; } else { animationsToCancel.push(current); @@ -896,35 +1158,38 @@ angular.module('ngAnimate', ['ng']) } } - if(animationsToCancel.length > 0) { + if (animationsToCancel.length > 0) { forEach(animationsToCancel, function(operation) { operation.cancel(); }); } } - if(runner.isClassBased && !runner.isSetClassOperation && !skipAnimation) { + if (runner.isClassBased && !runner.isSetClassOperation && !skipAnimation) { skipAnimation = (animationEvent == 'addClass') == element.hasClass(className); //opposite of XOR } - if(skipAnimation) { + if (skipAnimation) { fireDOMOperation(); fireBeforeCallbackAsync(); fireAfterCallbackAsync(); fireDoneCallbackAsync(); - return; + return noopCancel; } - if(animationEvent == 'leave') { + runningAnimations = ngAnimateState.active || {}; + totalActiveAnimations = ngAnimateState.totalActive || 0; + + if (animationEvent == 'leave') { //there's no need to ever remove the listener since the element //will be removed (destroyed) after the leave animation ends or //is cancelled midway element.one('$destroy', function(e) { var element = angular.element(this); var state = element.data(NG_ANIMATE_STATE); - if(state) { + if (state) { var activeLeaveAnimation = state.active['ng-leave']; - if(activeLeaveAnimation) { + if (activeLeaveAnimation) { activeLeaveAnimation.cancel(); cleanup(element, 'ng-leave'); } @@ -957,7 +1222,7 @@ angular.module('ngAnimate', ['ng']) (runner.isClassBased && data.active[className].event != animationEvent); fireDOMOperation(); - if(cancelled === true) { + if (cancelled === true) { closeAnimation(); } else { fireAfterCallbackAsync(); @@ -965,9 +1230,11 @@ angular.module('ngAnimate', ['ng']) } }); + return runner.cancel; + function fireDOMCallback(animationPhase) { var eventName = '$animate:' + animationPhase; - if(elementEvents && elementEvents[eventName] && elementEvents[eventName].length > 0) { + if (elementEvents && elementEvents[eventName] && elementEvents[eventName].length > 0) { $$asyncCallback(function() { element.triggerHandler(eventName, { event : animationEvent, @@ -987,37 +1254,33 @@ angular.module('ngAnimate', ['ng']) function fireDoneCallbackAsync() { fireDOMCallback('close'); - if(doneCallback) { - $$asyncCallback(function() { - doneCallback(); - }); - } + doneCallback(); } //it is less complicated to use a flag than managing and canceling //timeouts containing multiple callbacks. function fireDOMOperation() { - if(!fireDOMOperation.hasBeenRun) { + if (!fireDOMOperation.hasBeenRun) { fireDOMOperation.hasBeenRun = true; domOperation(); } } function closeAnimation() { - if(!closeAnimation.hasBeenRun) { + if (!closeAnimation.hasBeenRun) { closeAnimation.hasBeenRun = true; var data = element.data(NG_ANIMATE_STATE); - if(data) { + if (data) { /* only structural animations wait for reflow before removing an animation, but class-based animations don't. An example of this failing would be when a parent HTML tag has a ng-class attribute causing ALL directives below to skip animations during the digest */ - if(runner && runner.isClassBased) { + if (runner && runner.isClassBased) { cleanup(element, className); } else { $$asyncCallback(function() { var data = element.data(NG_ANIMATE_STATE) || {}; - if(localAnimationCount == data.index) { + if (localAnimationCount == data.index) { cleanup(element, className, animationEvent); } }); @@ -1038,7 +1301,7 @@ angular.module('ngAnimate', ['ng']) forEach(nodes, function(element) { element = angular.element(element); var data = element.data(NG_ANIMATE_STATE); - if(data && data.active) { + if (data && data.active) { forEach(data.active, function(runner) { runner.cancel(); }); @@ -1048,21 +1311,21 @@ angular.module('ngAnimate', ['ng']) } function cleanup(element, className) { - if(isMatchingElement(element, $rootElement)) { - if(!rootAnimateState.disabled) { + if (isMatchingElement(element, $rootElement)) { + if (!rootAnimateState.disabled) { rootAnimateState.running = false; rootAnimateState.structural = false; } - } else if(className) { + } else if (className) { var data = element.data(NG_ANIMATE_STATE) || {}; var removeAnimations = className === true; - if(!removeAnimations && data.active && data.active[className]) { + if (!removeAnimations && data.active && data.active[className]) { data.totalActive--; delete data.active[className]; } - if(removeAnimations || !data.totalActive) { + if (removeAnimations || !data.totalActive) { element.removeClass(NG_ANIMATE_CLASS_NAME); element.removeData(NG_ANIMATE_STATE); } @@ -1101,7 +1364,7 @@ angular.module('ngAnimate', ['ng']) //it will be discarded and all child animations will be restricted if (allowChildAnimations !== false) { var animateChildrenFlag = parentElement.data(NG_ANIMATE_CHILDREN); - if(angular.isDefined(animateChildrenFlag)) { + if (angular.isDefined(animateChildrenFlag)) { allowChildAnimations = animateChildrenFlag; } } @@ -1151,9 +1414,9 @@ angular.module('ngAnimate', ['ng']) var PROPERTY_KEY = 'Property'; var DELAY_KEY = 'Delay'; var ANIMATION_ITERATION_COUNT_KEY = 'IterationCount'; + var ANIMATION_PLAYSTATE_KEY = 'PlayState'; var NG_ANIMATE_PARENT_KEY = '$$ngAnimateKey'; var NG_ANIMATE_CSS_DATA_KEY = '$$ngAnimateCSS3Data'; - var NG_ANIMATE_BLOCK_CLASS_NAME = 'ng-animate-block-transitions'; var ELAPSED_TIME_MAX_DECIMAL_PLACES = 3; var CLOSING_TIME_BUFFER = 1.5; var ONE_SECOND = 1000; @@ -1163,7 +1426,7 @@ angular.module('ngAnimate', ['ng']) var animationReflowQueue = []; var cancelAnimationReflow; function afterReflow(element, callback) { - if(cancelAnimationReflow) { + if (cancelAnimationReflow) { cancelAnimationReflow(); } animationReflowQueue.push(callback); @@ -1192,7 +1455,7 @@ angular.module('ngAnimate', ['ng']) //but it may not need to cancel out the existing timeout //if the timestamp is less than the previous one var futureTimestamp = Date.now() + totalTime; - if(futureTimestamp <= closingTimestamp) { + if (futureTimestamp <= closingTimestamp) { return; } @@ -1208,64 +1471,52 @@ angular.module('ngAnimate', ['ng']) function closeAllAnimations(elements) { forEach(elements, function(element) { var elementData = element.data(NG_ANIMATE_CSS_DATA_KEY); - if(elementData) { - (elementData.closeAnimationFn || noop)(); + if (elementData) { + forEach(elementData.closeAnimationFns, function(fn) { + fn(); + }); } }); } function getElementAnimationDetails(element, cacheKey) { var data = cacheKey ? lookupCache[cacheKey] : null; - if(!data) { + if (!data) { var transitionDuration = 0; var transitionDelay = 0; var animationDuration = 0; var animationDelay = 0; - var transitionDelayStyle; - var animationDelayStyle; - var transitionDurationStyle; - var transitionPropertyStyle; //we want all the styles defined before and after forEach(element, function(element) { if (element.nodeType == ELEMENT_NODE) { var elementStyles = $window.getComputedStyle(element) || {}; - transitionDurationStyle = elementStyles[TRANSITION_PROP + DURATION_KEY]; - + var transitionDurationStyle = elementStyles[TRANSITION_PROP + DURATION_KEY]; transitionDuration = Math.max(parseMaxTime(transitionDurationStyle), transitionDuration); - transitionPropertyStyle = elementStyles[TRANSITION_PROP + PROPERTY_KEY]; - - transitionDelayStyle = elementStyles[TRANSITION_PROP + DELAY_KEY]; - + var transitionDelayStyle = elementStyles[TRANSITION_PROP + DELAY_KEY]; transitionDelay = Math.max(parseMaxTime(transitionDelayStyle), transitionDelay); - animationDelayStyle = elementStyles[ANIMATION_PROP + DELAY_KEY]; - - animationDelay = Math.max(parseMaxTime(animationDelayStyle), animationDelay); + var animationDelayStyle = elementStyles[ANIMATION_PROP + DELAY_KEY]; + animationDelay = Math.max(parseMaxTime(elementStyles[ANIMATION_PROP + DELAY_KEY]), animationDelay); var aDuration = parseMaxTime(elementStyles[ANIMATION_PROP + DURATION_KEY]); - if(aDuration > 0) { + if (aDuration > 0) { aDuration *= parseInt(elementStyles[ANIMATION_PROP + ANIMATION_ITERATION_COUNT_KEY], 10) || 1; } - animationDuration = Math.max(aDuration, animationDuration); } }); data = { total : 0, - transitionPropertyStyle: transitionPropertyStyle, - transitionDurationStyle: transitionDurationStyle, - transitionDelayStyle: transitionDelayStyle, transitionDelay: transitionDelay, transitionDuration: transitionDuration, - animationDelayStyle: animationDelayStyle, animationDelay: animationDelay, animationDuration: animationDuration }; - if(cacheKey) { + if (cacheKey) { lookupCache[cacheKey] = data; } } @@ -1286,20 +1537,22 @@ angular.module('ngAnimate', ['ng']) function getCacheKey(element) { var parentElement = element.parent(); var parentID = parentElement.data(NG_ANIMATE_PARENT_KEY); - if(!parentID) { + if (!parentID) { parentElement.data(NG_ANIMATE_PARENT_KEY, ++parentCounter); parentID = parentCounter; } return parentID + '-' + extractElementNode(element).getAttribute('class'); } - function animateSetup(animationEvent, element, className, calculationDecorator) { + function animateSetup(animationEvent, element, className) { + var structural = ['ng-enter','ng-leave','ng-move'].indexOf(className) >= 0; + var cacheKey = getCacheKey(element); var eventCacheKey = cacheKey + ' ' + className; var itemIndex = lookupCache[eventCacheKey] ? ++lookupCache[eventCacheKey].total : 0; var stagger = {}; - if(itemIndex > 0) { + if (itemIndex > 0) { var staggerClassName = className + '-stagger'; var staggerCacheKey = cacheKey + ' ' + staggerClassName; var applyClasses = !lookupCache[staggerCacheKey]; @@ -1311,154 +1564,137 @@ angular.module('ngAnimate', ['ng']) applyClasses && element.removeClass(staggerClassName); } - /* the animation itself may need to add/remove special CSS classes - * before calculating the anmation styles */ - calculationDecorator = calculationDecorator || - function(fn) { return fn(); }; - element.addClass(className); var formerData = element.data(NG_ANIMATE_CSS_DATA_KEY) || {}; - - var timings = calculationDecorator(function() { - return getElementAnimationDetails(element, eventCacheKey); - }); - + var timings = getElementAnimationDetails(element, eventCacheKey); var transitionDuration = timings.transitionDuration; var animationDuration = timings.animationDuration; - if(transitionDuration === 0 && animationDuration === 0) { + + if (structural && transitionDuration === 0 && animationDuration === 0) { element.removeClass(className); return false; } + var blockTransition = structural && transitionDuration > 0; + var blockAnimation = animationDuration > 0 && + stagger.animationDelay > 0 && + stagger.animationDuration === 0; + + var closeAnimationFns = formerData.closeAnimationFns || []; element.data(NG_ANIMATE_CSS_DATA_KEY, { + stagger : stagger, + cacheKey : eventCacheKey, running : formerData.running || 0, itemIndex : itemIndex, - stagger : stagger, - timings : timings, - closeAnimationFn : noop + blockTransition : blockTransition, + closeAnimationFns : closeAnimationFns }); - //temporarily disable the transition so that the enter styles - //don't animate twice (this is here to avoid a bug in Chrome/FF). - var isCurrentlyAnimating = formerData.running > 0 || animationEvent == 'setClass'; - if(transitionDuration > 0) { - blockTransitions(element, className, isCurrentlyAnimating); - } - - //staggering keyframe animations work by adjusting the `animation-delay` CSS property - //on the given element, however, the delay value can only calculated after the reflow - //since by that time $animate knows how many elements are being animated. Therefore, - //until the reflow occurs the element needs to be blocked (where the keyframe animation - //is set to `none 0s`). This blocking mechanism should only be set for when a stagger - //animation is detected and when the element item index is greater than 0. - if(animationDuration > 0 && stagger.animationDelay > 0 && stagger.animationDuration === 0) { - blockKeyframeAnimations(element); - } - - return true; - } - - function isStructuralAnimation(className) { - return className == 'ng-enter' || className == 'ng-move' || className == 'ng-leave'; - } + var node = extractElementNode(element); - function blockTransitions(element, className, isAnimating) { - if(isStructuralAnimation(className) || !isAnimating) { - extractElementNode(element).style[TRANSITION_PROP + PROPERTY_KEY] = 'none'; - } else { - element.addClass(NG_ANIMATE_BLOCK_CLASS_NAME); + if (blockTransition) { + blockTransitions(node, true); } - } - - function blockKeyframeAnimations(element) { - extractElementNode(element).style[ANIMATION_PROP] = 'none 0s'; - } - function unblockTransitions(element, className) { - var prop = TRANSITION_PROP + PROPERTY_KEY; - var node = extractElementNode(element); - if(node.style[prop] && node.style[prop].length > 0) { - node.style[prop] = ''; + if (blockAnimation) { + blockAnimations(node, true); } - element.removeClass(NG_ANIMATE_BLOCK_CLASS_NAME); - } - function unblockKeyframeAnimations(element) { - var prop = ANIMATION_PROP; - var node = extractElementNode(element); - if(node.style[prop] && node.style[prop].length > 0) { - node.style[prop] = ''; - } + return true; } function animateRun(animationEvent, element, className, activeAnimationComplete) { var node = extractElementNode(element); var elementData = element.data(NG_ANIMATE_CSS_DATA_KEY); - if(node.getAttribute('class').indexOf(className) == -1 || !elementData) { + if (node.getAttribute('class').indexOf(className) == -1 || !elementData) { activeAnimationComplete(); return; } + if (elementData.blockTransition) { + blockTransitions(node, false); + } + var activeClassName = ''; + var pendingClassName = ''; forEach(className.split(' '), function(klass, i) { - activeClassName += (i > 0 ? ' ' : '') + klass + '-active'; + var prefix = (i > 0 ? ' ' : '') + klass; + activeClassName += prefix + '-active'; + pendingClassName += prefix + '-pending'; }); - var stagger = elementData.stagger; - var timings = elementData.timings; + var style = ''; + var appliedStyles = []; var itemIndex = elementData.itemIndex; - var maxDuration = Math.max(timings.transitionDuration, timings.animationDuration); - var maxDelay = Math.max(timings.transitionDelay, timings.animationDelay); - var maxDelayTime = maxDelay * ONE_SECOND; - - var startTime = Date.now(); - var css3AnimationEvents = ANIMATIONEND_EVENT + ' ' + TRANSITIONEND_EVENT; + var stagger = elementData.stagger; + var staggerTime = 0; + if (itemIndex > 0) { + var transitionStaggerDelay = 0; + if (stagger.transitionDelay > 0 && stagger.transitionDuration === 0) { + transitionStaggerDelay = stagger.transitionDelay * itemIndex; + } - var style = '', appliedStyles = []; - if(timings.transitionDuration > 0) { - var propertyStyle = timings.transitionPropertyStyle; - if(propertyStyle.indexOf('all') == -1) { - style += CSS_PREFIX + 'transition-property: ' + propertyStyle + ';'; - style += CSS_PREFIX + 'transition-duration: ' + timings.transitionDurationStyle + ';'; - appliedStyles.push(CSS_PREFIX + 'transition-property'); - appliedStyles.push(CSS_PREFIX + 'transition-duration'); + var animationStaggerDelay = 0; + if (stagger.animationDelay > 0 && stagger.animationDuration === 0) { + animationStaggerDelay = stagger.animationDelay * itemIndex; + appliedStyles.push(CSS_PREFIX + 'animation-play-state'); } + + staggerTime = Math.round(Math.max(transitionStaggerDelay, animationStaggerDelay) * 100) / 100; } - if(itemIndex > 0) { - if(stagger.transitionDelay > 0 && stagger.transitionDuration === 0) { - var delayStyle = timings.transitionDelayStyle; - style += CSS_PREFIX + 'transition-delay: ' + - prepareStaggerDelay(delayStyle, stagger.transitionDelay, itemIndex) + '; '; - appliedStyles.push(CSS_PREFIX + 'transition-delay'); - } + if (!staggerTime) { + element.addClass(activeClassName); + } - if(stagger.animationDelay > 0 && stagger.animationDuration === 0) { - style += CSS_PREFIX + 'animation-delay: ' + - prepareStaggerDelay(timings.animationDelayStyle, stagger.animationDelay, itemIndex) + '; '; - appliedStyles.push(CSS_PREFIX + 'animation-delay'); - } + var eventCacheKey = elementData.cacheKey + ' ' + activeClassName; + var timings = getElementAnimationDetails(element, eventCacheKey); + var maxDuration = Math.max(timings.transitionDuration, timings.animationDuration); + if (maxDuration === 0) { + element.removeClass(activeClassName); + animateClose(element, className); + activeAnimationComplete(); + return; } - if(appliedStyles.length > 0) { + var maxDelay = Math.max(timings.transitionDelay, timings.animationDelay); + var maxDelayTime = maxDelay * ONE_SECOND; + + if (appliedStyles.length > 0) { //the element being animated may sometimes contain comment nodes in //the jqLite object, so we're safe to use a single variable to house //the styles since there is always only one element being animated var oldStyle = node.getAttribute('style') || ''; - node.setAttribute('style', oldStyle + '; ' + style); + if (oldStyle.charAt(oldStyle.length-1) !== ';') { + oldStyle += ';'; + } + node.setAttribute('style', oldStyle + ' ' + style); + } + + var startTime = Date.now(); + var css3AnimationEvents = ANIMATIONEND_EVENT + ' ' + TRANSITIONEND_EVENT; + var animationTime = (maxDelay + maxDuration) * CLOSING_TIME_BUFFER; + var totalTime = (staggerTime + animationTime) * ONE_SECOND; + + var staggerTimeout; + if (staggerTime > 0) { + element.addClass(pendingClassName); + staggerTimeout = $timeout(function() { + staggerTimeout = null; + element.addClass(activeClassName); + element.removeClass(pendingClassName); + if (timings.animationDuration > 0) { + blockAnimations(node, false); + } + }, staggerTime * ONE_SECOND, false); } element.on(css3AnimationEvents, onAnimationProgress); - element.addClass(activeClassName); - elementData.closeAnimationFn = function() { + elementData.closeAnimationFns.push(function() { onEnd(); activeAnimationComplete(); - }; - - var staggerTime = itemIndex * (Math.max(stagger.animationDelay, stagger.transitionDelay) || 0); - var animationTime = (maxDelay + maxDuration) * CLOSING_TIME_BUFFER; - var totalTime = (staggerTime + animationTime) * ONE_SECOND; + }); elementData.running++; animationCloseHandler(element, totalTime); @@ -1470,6 +1706,10 @@ angular.module('ngAnimate', ['ng']) function onEnd(cancelled) { element.off(css3AnimationEvents, onAnimationProgress); element.removeClass(activeClassName); + element.removeClass(pendingClassName); + if (staggerTimeout) { + $timeout.cancel(staggerTimeout); + } animateClose(element, className); var node = extractElementNode(element); for (var i in appliedStyles) { @@ -1493,23 +1733,22 @@ angular.module('ngAnimate', ['ng']) * 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) { + if (Math.max(timeStamp - startTime, 0) >= maxDelayTime && elapsedTime >= maxDuration) { activeAnimationComplete(); } } } - function prepareStaggerDelay(delayStyle, staggerDelay, index) { - var style = ''; - forEach(delayStyle.split(','), function(val, i) { - style += (i > 0 ? ',' : '') + - (index * staggerDelay + parseInt(val, 10)) + 's'; - }); - return style; + function blockTransitions(node, bool) { + node.style[TRANSITION_PROP + PROPERTY_KEY] = bool ? 'none' : ''; + } + + function blockAnimations(node, bool) { + node.style[ANIMATION_PROP + ANIMATION_PLAYSTATE_KEY] = bool ? 'paused' : ''; } function animateBefore(animationEvent, element, className, calculationDecorator) { - if(animateSetup(animationEvent, element, className, calculationDecorator)) { + if (animateSetup(animationEvent, element, className, calculationDecorator)) { return function(cancelled) { cancelled && animateClose(element, className); }; @@ -1517,7 +1756,7 @@ angular.module('ngAnimate', ['ng']) } function animateAfter(animationEvent, element, className, afterAnimationComplete) { - if(element.data(NG_ANIMATE_CSS_DATA_KEY)) { + if (element.data(NG_ANIMATE_CSS_DATA_KEY)) { return animateRun(animationEvent, element, className, afterAnimationComplete); } else { animateClose(element, className); @@ -1530,7 +1769,7 @@ angular.module('ngAnimate', ['ng']) //cancellation function then it means that there is no animation //to perform at all var preReflowCancellation = animateBefore(animationEvent, element, className); - if(!preReflowCancellation) { + if (!preReflowCancellation) { animationComplete(); return; } @@ -1542,8 +1781,6 @@ angular.module('ngAnimate', ['ng']) //happen in the first place var cancel = preReflowCancellation; afterReflow(element, function() { - unblockTransitions(element, className); - unblockKeyframeAnimations(element); //once the reflow is complete then we point cancel to //the new cancellation function which will remove all of the //animation properties from the active animation @@ -1558,11 +1795,11 @@ angular.module('ngAnimate', ['ng']) function animateClose(element, className) { element.removeClass(className); var data = element.data(NG_ANIMATE_CSS_DATA_KEY); - if(data) { - if(data.running) { + if (data) { + if (data.running) { data.running--; } - if(!data.running || data.running === 0) { + if (!data.running || data.running === 0) { element.removeData(NG_ANIMATE_CSS_DATA_KEY); } } @@ -1584,49 +1821,27 @@ angular.module('ngAnimate', ['ng']) beforeSetClass : function(element, add, remove, animationCompleted) { var className = suffixClasses(remove, '-remove') + ' ' + suffixClasses(add, '-add'); - var cancellationMethod = animateBefore('setClass', element, className, function(fn) { - /* when classes are removed from an element then the transition style - * that is applied is the transition defined on the element without the - * CSS class being there. This is how CSS3 functions outside of ngAnimate. - * http://plnkr.co/edit/j8OzgTNxHTb4n3zLyjGW?p=preview */ - var klass = element.attr('class'); - element.removeClass(remove); - element.addClass(add); - var timings = fn(); - element.attr('class', klass); - return timings; - }); - - if(cancellationMethod) { - afterReflow(element, function() { - unblockTransitions(element, className); - unblockKeyframeAnimations(element); - animationCompleted(); - }); + var cancellationMethod = animateBefore('setClass', element, className); + if (cancellationMethod) { + afterReflow(element, animationCompleted); return cancellationMethod; } animationCompleted(); }, beforeAddClass : function(element, className, animationCompleted) { - var cancellationMethod = animateBefore('addClass', element, suffixClasses(className, '-add'), function(fn) { - - /* when a CSS class is added to an element then the transition style that - * is applied is the transition defined on the element when the CSS class - * is added at the time of the animation. This is how CSS3 functions - * outside of ngAnimate. */ - element.addClass(className); - var timings = fn(); - element.removeClass(className); - return timings; - }); + var cancellationMethod = animateBefore('addClass', element, suffixClasses(className, '-add')); + if (cancellationMethod) { + afterReflow(element, animationCompleted); + return cancellationMethod; + } + animationCompleted(); + }, - if(cancellationMethod) { - afterReflow(element, function() { - unblockTransitions(element, className); - unblockKeyframeAnimations(element); - animationCompleted(); - }); + beforeRemoveClass : function(element, className, animationCompleted) { + var cancellationMethod = animateBefore('removeClass', element, suffixClasses(className, '-remove')); + if (cancellationMethod) { + afterReflow(element, animationCompleted); return cancellationMethod; } animationCompleted(); @@ -1643,30 +1858,6 @@ angular.module('ngAnimate', ['ng']) return animateAfter('addClass', element, suffixClasses(className, '-add'), animationCompleted); }, - beforeRemoveClass : function(element, className, animationCompleted) { - var cancellationMethod = animateBefore('removeClass', element, suffixClasses(className, '-remove'), function(fn) { - /* when classes are removed from an element then the transition style - * that is applied is the transition defined on the element without the - * CSS class being there. This is how CSS3 functions outside of ngAnimate. - * http://plnkr.co/edit/j8OzgTNxHTb4n3zLyjGW?p=preview */ - var klass = element.attr('class'); - element.removeClass(className); - var timings = fn(); - element.attr('class', klass); - return timings; - }); - - if(cancellationMethod) { - afterReflow(element, function() { - unblockTransitions(element, className); - unblockKeyframeAnimations(element); - animationCompleted(); - }); - return cancellationMethod; - } - animationCompleted(); - }, - removeClass : function(element, className, animationCompleted) { return animateAfter('removeClass', element, suffixClasses(className, '-remove'), animationCompleted); } @@ -1674,9 +1865,9 @@ angular.module('ngAnimate', ['ng']) function suffixClasses(classes, suffix) { var className = ''; - classes = angular.isArray(classes) ? classes : classes.split(/\s+/); + classes = isArray(classes) ? classes : classes.split(/\s+/); forEach(classes, function(klass, i) { - if(klass && klass.length > 0) { + if (klass && klass.length > 0) { className += (i > 0 ? ' ' : '') + klass + suffix; } }); |