fix(viewSwitcher): do not finish transition from bubbled transitionend events

Closes #3006. Closes #3063.

Author: ajoslin

Diff for: js/angular/controller/navViewController.js

@@ -29,6 +29,7 @@ function($scope, $element, $attrs, $compile, $controller, $ionicNavBarDelegate,
   var transitionDuration, transitionTiming;
 
   self.scope = $scope;
+  self.element = $element;
 
   self.init = function() {
     var navViewName = $attrs.name || '';
@@ -399,7 +400,7 @@ function($scope, $element, $attrs, $compile, $controller, $ionicNavBarDelegate,
       ionic.offGesture(deregDragStart, 'dragstart', onDragStart);
       ionic.offGesture(deregDrag, 'drag', onDrag);
       ionic.offGesture(deregRelease, 'release', onRelease);
-      viewTransition = associatedNavBarCtrl = null;
+      self.element = viewTransition = associatedNavBarCtrl = null;
     });
   };
 

Diff for: js/angular/service/viewSwitcher.js

@@ -170,7 +170,7 @@ function($timeout, $document, $q, $ionicClickBlock, $ionicConfig, $ionicNavBarDe
 
           if (viewTransition.shouldAnimate) {
             // attach transitionend events (and fallback timer)
-            enteringEle.on(TRANSITIONEND_EVENT, transitionComplete);
+            enteringEle.on(TRANSITIONEND_EVENT, completeOnTransitionEnd);
             enteringEle.data(DATA_FALLBACK_TIMER, $timeout(transitionComplete, defaultTimeout));
             $ionicClickBlock.show(defaultTimeout);
           }
@@ -209,7 +209,7 @@ function($timeout, $document, $q, $ionicClickBlock, $ionicConfig, $ionicNavBarDe
               run: viewTransition.run,
               cancel: function(shouldAnimate) {
                 if (shouldAnimate) {
-                  enteringEle.on(TRANSITIONEND_EVENT, cancelTransition);
+                  enteringEle.on(TRANSITIONEND_EVENT, cancelOnTransitionEnd);
                   enteringEle.data(DATA_FALLBACK_TIMER, $timeout(cancelTransition, defaultTimeout));
                   $ionicClickBlock.show(defaultTimeout);
                 } else {
@@ -248,11 +248,17 @@ function($timeout, $document, $q, $ionicClickBlock, $ionicConfig, $ionicNavBarDe
             }
           }
 
+          // Make sure that transitionend events bubbling up from children won't fire
+          // transitionComplete. Will only go forward if ev.target == the element listening.
+          function completeOnTransitionEnd(ev) {
+            if (ev.target !== this) return;
+            transitionComplete();
+          }
           function transitionComplete() {
             if (transitionComplete.x) return;
             transitionComplete.x = true;
 
-            enteringEle.off(TRANSITIONEND_EVENT, transitionComplete);
+            enteringEle.off(TRANSITIONEND_EVENT, completeOnTransitionEnd);
             $timeout.cancel(enteringEle.data(DATA_FALLBACK_TIMER));
             leavingEle && $timeout.cancel(leavingEle.data(DATA_FALLBACK_TIMER));
 
@@ -279,10 +285,16 @@ function($timeout, $document, $q, $ionicClickBlock, $ionicConfig, $ionicNavBarDe
             nextTransition = nextDirection = enteringView = leavingView = enteringEle = leavingEle = null;
           }
 
+          // Make sure that transitionend events bubbling up from children won't fire
+          // transitionComplete. Will only go forward if ev.target == the element listening.
+          function cancelOnTransitionEnd(ev) {
+            if (ev.target !== this) return;
+            cancelTransition();
+          }
           function cancelTransition() {
             navViewAttr(enteringEle, VIEW_STATUS_CACHED);
             navViewAttr(leavingEle, VIEW_STATUS_ACTIVE);
-            enteringEle.off(TRANSITIONEND_EVENT, cancelTransition);
+            enteringEle.off(TRANSITIONEND_EVENT, cancelOnTransitionEnd);
             $timeout.cancel(enteringEle.data(DATA_FALLBACK_TIMER));
             ionicViewSwitcher.transitionEnd([navViewCtrl]);
           }

Diff for: js/utils/dom.js

@@ -297,6 +297,7 @@
         }
       }
     }
+
   };
 
   //Shortcuts

Diff for: test/unit/angular/service/viewSwitcher.unit.js

@@ -225,4 +225,58 @@ describe('Ionic View Switcher', function() {
     expect(switcher.enteringEle().data('$accessed')).toBeDefined();
   }));
 
+  it('should end the transition on transitionend', inject(function($ionicViewSwitcher, $rootScope, $ionicConfig, $compile) {
+    $ionicConfig.views.transition('test');
+    $ionicConfig.transitions.views.test = function() {
+      return { run: angular.noop, shouldAnimate: true };
+    };
+    var afterEnterSpy = jasmine.createSpy('afterEnter');
+    var navViewCtrl = setup();
+    var enteringEle = $compile('<enter>')($rootScope);
+    navViewCtrl.element.append(enteringEle);
+
+    enteringEle.data('$eleId', 'foo');
+    var switcher = $ionicViewSwitcher.create(navViewCtrl, {}, {
+      viewId: 'foo'
+    });
+
+    switcher.loadViewElements({});
+    $rootScope.$on('$ionicView.afterEnter', afterEnterSpy);
+    switcher.transition('forward');
+
+    expect(afterEnterSpy).not.toHaveBeenCalled();
+    enteringEle.triggerHandler('transitionend');
+    expect(afterEnterSpy).toHaveBeenCalled();
+  }));
+
+  it('should not end the transition on bubbled transitionend', inject(function($ionicViewSwitcher, $rootScope, $ionicConfig, $compile) {
+    $ionicConfig.views.transition('test');
+    $ionicConfig.transitions.views.test = function() {
+      return { run: angular.noop, shouldAnimate: true };
+    };
+    var afterEnterSpy = jasmine.createSpy('afterEnter');
+    var navViewCtrl = setup();
+    var enteringEle = $compile('<enter>')($rootScope);
+    navViewCtrl.element.append(enteringEle);
+
+    var enteringEleChild = angular.element('<child>');
+    enteringEle.append(enteringEleChild);
+
+    enteringEle.data('$eleId', 'foo');
+    var switcher = $ionicViewSwitcher.create(navViewCtrl, {}, {
+      viewId: 'foo'
+    });
+
+    switcher.loadViewElements({});
+    $rootScope.$on('$ionicView.afterEnter', afterEnterSpy);
+    switcher.transition('forward');
+
+    expect(afterEnterSpy).not.toHaveBeenCalled();
+    enteringEle.triggerHandler({
+      type: 'transitionend',
+      target: enteringEleChild[0]
+    });
+    expect(afterEnterSpy).not.toHaveBeenCalled();
+  }));
+
 });