Fix collection editing (#1081)

* fix SIMULATE_WEB_RESPONSE not imported #449

* Fix to make rangeMode update in right time

* remove uncessary assert

* Fix collection cell editing bug for iOS 9 & 10

* Rename to reordering.

* Adjust _reordering more acuratedly

* Add change log

CHANGELOG.md

@@ -1,5 +1,6 @@
 ## master
 * Add your own contributions to the next release on the line below this with your name.
+- [ASCollectionView] Fix reording of cells manually for iOS 9 & 10. [Max Wang](https://github.com/wsdwsd0829). [#1081](https://github.com/TextureGroup/Texture/pull/1081)
 - [ASDisplayNode] Allow add/remove interface state delegates on background thread. [Max Wang](https://github.com/wsdwsd0829). [#1090](https://github.com/TextureGroup/Texture/pull/1090)
 - [License] Simplify the Texture license to be pure Apache 2 (removing ASDK-Licenses).[Scott Goodson](https://github.com/appleguy) [#1077](https://github.com/TextureGroup/Texture/pull/1077) 
 - [ASNetworkImageNode] Allow delegate methods to be called on background thread. [Max Wang](https://github.com/wsdwsd0829). [#1007](https://github.com/TextureGroup/Texture/pull/1007)

Source/ASCollectionView.mm

@@ -139,6 +139,12 @@ static NSString * const kReuseIdentifier = @"_ASCollectionReuseIdentifier";
    * (0 sections) we always check at least once after each update (initial reload is the first update.)
    */
   BOOL _hasEverCheckedForBatchFetchingDueToUpdate;
+
+  /**
+   * Set during beginInteractiveMovementForItemAtIndexPath and UIGestureRecognizerStateEnded
+   * (or UIGestureRecognizerStateFailed, UIGestureRecognizerStateCancelled.
+   */
+  BOOL _reordering;
   
   /**
    * Counter used to keep track of nested batch updates.
@@ -1013,9 +1019,29 @@ static NSString * const kReuseIdentifier = @"_ASCollectionReuseIdentifier";
 - (void)moveItemAtIndexPath:(NSIndexPath *)indexPath toIndexPath:(NSIndexPath *)newIndexPath
 {
   ASDisplayNodeAssertMainThread();
-  [self performBatchUpdates:^{
-    [_changeSet moveItemAtIndexPath:indexPath toIndexPath:newIndexPath animationOptions:kASCollectionViewAnimationNone];
-  } completion:nil];
+  if (!_reordering) {
+    [self performBatchUpdates:^{
+      [_changeSet moveItemAtIndexPath:indexPath toIndexPath:newIndexPath animationOptions:kASCollectionViewAnimationNone];
+    } completion:nil];
+  } else {
+    [super moveItemAtIndexPath:indexPath toIndexPath:newIndexPath];
+  }
+}
+
+- (BOOL)beginInteractiveMovementForItemAtIndexPath:(NSIndexPath *)indexPath {
+  BOOL success = [super beginInteractiveMovementForItemAtIndexPath:indexPath];
+  _reordering = success;
+  return success;
+}
+
+- (void)endInteractiveMovement {
+  _reordering = NO;
+  [super endInteractiveMovement];
+}
+
+- (void)cancelInteractiveMovement {
+  _reordering = NO;
+  [super cancelInteractiveMovement];
 }
 
 #pragma mark -