fix(loading): options.hideOnStateChange: also hide on stateChangeError

Closes #3051.

Author: ajoslin

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

@@ -72,7 +72,8 @@ function($ionicLoadingConfig, $ionicBody, $ionicTemplateLoader, $ionicBackdrop,
   var loaderInstance;
   //default values
   var deregisterBackAction = noop;
-  var deregisterStateListener = noop;
+  var deregisterStateListener1 = noop;
+  var deregisterStateListener2 = noop;
   var loadingShowDelay = $q.when();
 
   return {
@@ -193,9 +194,11 @@ function($ionicLoadingConfig, $ionicBody, $ionicTemplateLoader, $ionicBackdrop,
     options = extend({}, $ionicLoadingConfig || {}, options || {});
     var delay = options.delay || options.showDelay || 0;
 
-    deregisterStateListener();
+    deregisterStateListener1();
+    deregisterStateListener2();
     if (options.hideOnStateChange) {
-      deregisterStateListener = $rootScope.$on('$stateChangeSuccess', hideLoader);
+      deregisterStateListener1 = $rootScope.$on('$stateChangeSuccess', hideLoader);
+      deregisterStateListener2 = $rootScope.$on('$stateChangeError', hideLoader);
     }
 
     //If loading.show() was called previously, cancel it and show with our new options
@@ -219,7 +222,8 @@ function($ionicLoadingConfig, $ionicBody, $ionicTemplateLoader, $ionicBackdrop,
   }
 
   function hideLoader() {
-    deregisterStateListener();
+    deregisterStateListener1();
+    deregisterStateListener2();
     $timeout.cancel(loadingShowDelay);
     getLoader().then(function(loader) {
       loader.hide();

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

@@ -194,7 +194,7 @@ describe('$ionicLoading service', function() {
     }));
   });
 
-  it('should use options.hideOnStateChange', inject(function($ionicLoading, $rootScope, $timeout) {
+  it('should use options.hideOnStateChange to hide on $stateChangeSuccess', inject(function($ionicLoading, $rootScope, $timeout) {
     var loader = TestUtil.unwrapPromise($ionicLoading._getLoader());
     $ionicLoading.show({
       hideOnStateChange: true,
@@ -206,6 +206,18 @@ describe('$ionicLoading service', function() {
     expect(loader.hide).toHaveBeenCalled();
   }));
 
+  it('should use options.hideOnStateChange to hide on $stateChangeError', inject(function($ionicLoading, $rootScope, $timeout) {
+    var loader = TestUtil.unwrapPromise($ionicLoading._getLoader());
+    $ionicLoading.show({
+      hideOnStateChange: true,
+      template: ''
+    });
+    spyOn(loader, 'hide');
+    $rootScope.$broadcast('$stateChangeError');
+    $rootScope.$apply();
+    expect(loader.hide).toHaveBeenCalled();
+  }));
+
   it('should default false options.hideOnStateChange', inject(function($ionicLoading, $rootScope, $timeout) {
     var loader = TestUtil.unwrapPromise($ionicLoading._getLoader());
     $ionicLoading.show({