diff --git a/src/ng/animator.js b/src/ng/animator.js index a8064f5e29ff..97c9e0ed2a4e 100644 --- a/src/ng/animator.js +++ b/src/ng/animator.js @@ -46,14 +46,16 @@ * Keep in mind that if an animation is running, no child element of such animation can also be animated. * *

CSS-defined Animations

- * By default, ngAnimate attaches two CSS3 classes per animation event to the DOM element to achieve the animation. - * It is up to you, the developer, to ensure that the animations take place using cross-browser CSS3 transitions. - * All that is required is the following CSS code: + * By default, ngAnimate attaches two CSS classes per animation event to the DOM element to achieve the animation. + * It is up to you, the developer, to ensure that the animations take place using cross-browser CSS3 transitions as + * well as CSS animations. + * + * The following code below demonstrates how to perform animations using **CSS transitions** with ngAnimate: * *
  * 
+ *
+ * 
+ *
+ * + * ngAnimate will first examine any CSS animation code and then fallback to using CSS transitions. + * * Upon DOM mutation, the setup class is added first, then the browser is allowed to reflow the content and then, * the start class is added to trigger the animation. The ngAnimate directive will automatically extract the duration * of the animation to determine when the animation ends. Once the animation is over then both CSS classes will be - * removed from the DOM. If a browser does not support CSS transitions then the animation will start and end + * removed from the DOM. If a browser does not support CSS transitions or CSS animations then the animation will start and end * immediately resulting in a DOM element that is at it's final state. This final state is when the DOM element - * has no CSS animation classes surrounding it. + * has no CSS transition/animation classes surrounding it. * *

JavaScript-defined Animations

- * In the event that you do not want to use CSS3 animations or if you wish to offer animations to browsers that do not - * yet support them, then you can make use of JavaScript animations defined inside ngModule. + * In the event that you do not want to use CSS3 transitions or CSS3 animations or if you wish to offer animations to browsers that do not + * yet support them, then you can make use of JavaScript animations defined inside of your AngularJS module. * *
  * var ngModule = angular.module('YourApp', []);
@@ -117,8 +152,8 @@
  *
  * As you can see, the JavaScript code follows a similar template to the CSS3 animations. Once defined, the animation
  * can be used in the same way with the ngAnimate attribute. Keep in mind that, when using JavaScript-enabled
- * animations, ngAnimate will also add in the same CSS classes that CSS-enabled animations do (even if you're using
- * JavaScript animations) to animated the element, but it will not attempt to find any CSS3 transition duration value.
+ * animations, ngAnimate will also add in the same CSS classes that CSS-enabled animations do (even if you're not using
+ * CSS animations) to animated the element, but it will not attempt to find any CSS3 transition or animation duration/delay values.
  * It will instead close off the animation once the provided done function is executed. So it's important that you
  * make sure your animations remember to fire off the done function once the animations are complete.
  *
@@ -258,6 +293,14 @@ var $AnimatorProvider = function() {
               // $window.setTimeout(beginAnimation, 0); this was causing the element not to animate
               // keep at 1 for animation dom rerender
               $window.setTimeout(beginAnimation, 1);
+            }
+
+            function parseMaxTime(str) {
+              var total = 0, values = isString(str) ? str.split(/\s*,\s*/) : [];
+              forEach(values, function(value) {
+                total = Math.max(parseFloat(value) || 0, total);
+              });
+              return total;
             };
 
             function beginAnimation() {
@@ -265,21 +308,45 @@ var $AnimatorProvider = function() {
               if (polyfillStart) {
                 polyfillStart(element, done, memento);
               } else if (isFunction($window.getComputedStyle)) {
-                var vendorTransitionProp = $sniffer.vendorPrefix + 'Transition';
-                var w3cTransitionProp = 'transition'; //one day all browsers will have this
+                //one day all browsers will have these properties
+                var w3cAnimationProp = 'animation'; 
+                var w3cTransitionProp = 'transition';
 
-                var durationKey = 'Duration';
-                var duration = 0;
+                //but some still use vendor-prefixed styles 
+                var vendorAnimationProp = $sniffer.vendorPrefix + 'Animation';
+                var vendorTransitionProp = $sniffer.vendorPrefix + 'Transition';
 
+                var durationKey = 'Duration',
+                    delayKey = 'Delay',
+                    animationIterationCountKey = 'IterationCount',
+                    duration = 0;
+                
                 //we want all the styles defined before and after
+                var ELEMENT_NODE = 1;
                 forEach(element, function(element) {
-                  if (element.nodeType == 1) {
-                    var globalStyles = $window.getComputedStyle(element) || {};
-                    duration = Math.max(
-                        parseFloat(globalStyles[w3cTransitionProp    + durationKey]) ||
-                        parseFloat(globalStyles[vendorTransitionProp + durationKey]) ||
-                        0,
-                        duration);
+                  if (element.nodeType == ELEMENT_NODE) {
+                    var w3cProp = w3cTransitionProp,
+                        vendorProp = vendorTransitionProp,
+                        iterations = 1,
+                        elementStyles = $window.getComputedStyle(element) || {};
+
+                    //use CSS Animations over CSS Transitions
+                    if(parseFloat(elementStyles[w3cAnimationProp + durationKey]) > 0 ||
+                       parseFloat(elementStyles[vendorAnimationProp + durationKey]) > 0) {
+                      w3cProp = w3cAnimationProp;
+                      vendorProp = vendorAnimationProp;
+                      iterations = Math.max(parseInt(elementStyles[w3cProp    + animationIterationCountKey]) || 0,
+                                            parseInt(elementStyles[vendorProp + animationIterationCountKey]) || 0,
+                                            iterations);
+                    }
+
+                    var parsedDelay     = Math.max(parseMaxTime(elementStyles[w3cProp     + delayKey]),
+                                                   parseMaxTime(elementStyles[vendorProp  + delayKey]));
+
+                    var parsedDuration  = Math.max(parseMaxTime(elementStyles[w3cProp     + durationKey]),
+                                                   parseMaxTime(elementStyles[vendorProp  + durationKey]));
+
+                    duration = Math.max(parsedDelay + (iterations * parsedDuration), duration);
                   }
                 });
                 $window.setTimeout(done, duration * 1000);
diff --git a/test/ng/animatorSpec.js b/test/ng/animatorSpec.js
index 89677852ef2e..5a8ac1a07866 100644
--- a/test/ng/animatorSpec.js
+++ b/test/ng/animatorSpec.js
@@ -295,45 +295,200 @@ describe("$animator", function() {
     }));
   });
 
-  describe("with css3", function() {
+  describe("with CSS3", function() {
     var window, animator, prefix, vendorPrefix;
 
     beforeEach(function() {
       module(function($animationProvider, $provide) {
         $provide.value('$window', window = angular.mock.createMockWindow());
         return function($sniffer, _$rootElement_, $animator) {
-          vendorPrefix = '-' + $sniffer.vendorPrefix + '-';
+          vendorPrefix = '-' + $sniffer.vendorPrefix.toLowerCase() + '-';
           $rootElement = _$rootElement_;
           $animator.enabled(true);
         };
       })
     });
 
-    it("should skip animations if disabled and run when enabled",
+    describe("Animations", function() {
+      it("should properly detect and make use of CSS Animations",
+          inject(function($animator, $rootScope, $compile, $sniffer) {
+        var style = 'animation: some_animation 4s linear 0s 1 alternate;' +
+                    vendorPrefix + 'animation: some_animation 4s linear 0s 1 alternate;';
+        element = $compile(html('
1
'))($rootScope); + var animator = $animator($rootScope, { + ngAnimate : '{show: \'inline-show\'}' + }); + + element.css('display','none'); + expect(element.css('display')).toBe('none'); + + animator.show(element); + if ($sniffer.supportsAnimations) { + window.setTimeout.expect(1).process(); + window.setTimeout.expect(4000).process(); + } + expect(element[0].style.display).toBe(''); + })); + + it("should properly detect and make use of CSS Animations with multiple iterations", + inject(function($animator, $rootScope, $compile, $sniffer) { + var style = 'animation-duration: 2s;' + + 'animation-iteration-count: 3;' + + vendorPrefix + 'animation-duration: 2s;' + + vendorPrefix + 'animation-iteration-count: 3;'; + element = $compile(html('
1
'))($rootScope); + var animator = $animator($rootScope, { + ngAnimate : '{show: \'inline-show\'}' + }); + + element.css('display','none'); + expect(element.css('display')).toBe('none'); + + animator.show(element); + if ($sniffer.supportsAnimations) { + window.setTimeout.expect(1).process(); + window.setTimeout.expect(6000).process(); + } + expect(element[0].style.display).toBe(''); + })); + + it("should fallback to the animation duration if an infinite iteration is provided", + inject(function($animator, $rootScope, $compile, $sniffer) { + var style = 'animation-duration: 2s;' + + 'animation-iteration-count: infinite;' + + vendorPrefix + 'animation-duration: 2s;' + + vendorPrefix + 'animation-iteration-count: infinite;'; + element = $compile(html('
1
'))($rootScope); + var animator = $animator($rootScope, { + ngAnimate : '{show: \'inline-show\'}' + }); + + element.css('display','none'); + expect(element.css('display')).toBe('none'); + + animator.show(element); + if ($sniffer.supportsAnimations) { + window.setTimeout.expect(1).process(); + window.setTimeout.expect(2000).process(); + } + expect(element[0].style.display).toBe(''); + })); + + it("should consider the animation delay is provided", + inject(function($animator, $rootScope, $compile, $sniffer) { + var style = 'animation-duration: 2s;' + + 'animation-delay: 10s;' + + 'animation-iteration-count: 5;' + + vendorPrefix + 'animation-duration: 2s;' + + vendorPrefix + 'animation-delay: 10s;' + + vendorPrefix + 'animation-iteration-count: 5;'; + element = $compile(html('
1
'))($rootScope); + var animator = $animator($rootScope, { + ngAnimate : '{show: \'inline-show\'}' + }); + + element.css('display','none'); + expect(element.css('display')).toBe('none'); + + animator.show(element); + if ($sniffer.supportsTransitions) { + window.setTimeout.expect(1).process(); + window.setTimeout.expect(20000).process(); + } + expect(element[0].style.display).toBe(''); + })); + + it("should skip animations if disabled and run when enabled", + inject(function($animator, $rootScope, $compile, $sniffer) { + $animator.enabled(false); + var style = 'animation: some_animation 2s linear 0s 1 alternate;' + + vendorPrefix + 'animation: some_animation 2s linear 0s 1 alternate;' + + element = $compile(html('
1
'))($rootScope); + var animator = $animator($rootScope, { + ngAnimate : '{show: \'inline-show\'}' + }); + element.css('display','none'); + expect(element.css('display')).toBe('none'); + animator.show(element); + expect(element[0].style.display).toBe(''); + })); + }); + + describe("Transitions", function() { + it("should skip transitions if disabled and run when enabled", + inject(function($animator, $rootScope, $compile, $sniffer) { + $animator.enabled(false); + element = $compile(html('
1
'))($rootScope); + var animator = $animator($rootScope, { + ngAnimate : '{show: \'inline-show\'}' + }); + + element.css('display','none'); + expect(element.css('display')).toBe('none'); + animator.show(element); + expect(element[0].style.display).toBe(''); + + $animator.enabled(true); + + element.css('display','none'); + expect(element.css('display')).toBe('none'); + + animator.show(element); + if ($sniffer.supportsTransitions) { + window.setTimeout.expect(1).process(); + window.setTimeout.expect(1000).process(); + } + expect(element[0].style.display).toBe(''); + })); + + it("should skip animations if disabled and run when enabled picking the longest specified duration", inject(function($animator, $rootScope, $compile, $sniffer) { - $animator.enabled(false); - element = $compile(html('
1
'))($rootScope); - var animator = $animator($rootScope, { - ngAnimate : '{show: \'inline-show\'}' - }); + $animator.enabled(true); + element = $compile(html('
foo
'))($rootScope); + var animator = $animator($rootScope, { + ngAnimate : '{show: \'inline-show\'}' + }); + element.css('display','none'); + animator.show(element); + if ($sniffer.supportsTransitions) { + window.setTimeout.expect(1).process(); + window.setTimeout.expect(2000).process(); + } + expect(element[0].style.display).toBe(''); + })); - element.css('display','none'); - expect(element.css('display')).toBe('none'); - animator.show(element); - expect(element[0].style.display).toBe(''); + it("should skip animations if disabled and run when enabled picking the longest specified duration/delay combination", + inject(function($animator, $rootScope, $compile, $sniffer) { + $animator.enabled(false); + element = $compile(html('
foo
'))($rootScope); - $animator.enabled(true); + var animator = $animator($rootScope, { + ngAnimate : '{show: \'inline-show\'}' + }); - element.css('display','none'); - expect(element.css('display')).toBe('none'); + element.css('display','none'); + expect(element.css('display')).toBe('none'); + animator.show(element); + expect(element[0].style.display).toBe(''); - animator.show(element); - if ($sniffer.transitions) { - window.setTimeout.expect(1).process(); - window.setTimeout.expect(1000).process(); - } - expect(element[0].style.display).toBe(''); - })); + $animator.enabled(true); + + element.css('display','none'); + expect(element.css('display')).toBe('none'); + + animator.show(element); + if ($sniffer.transitions) { + window.setTimeout.expect(1).process(); + window.setTimeout.expect(3000).process(); + return; + } + expect(element[0].style.display).toBe(''); + })); + }); }); describe('anmation evaluation', function () {