Add missing scrollViewWillEndDragging passthrough delegate (#796)

* Add scrollViewWillEndDragging delegate * Make sure delegate can respond to scrollViewWillEndDragging * Add changes to CHANGELOG.md
TextureGroup · Feb 12, 2018 · f0f3f9a · f0f3f9a
1 parent 479d404
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -25,6 +25,7 @@
 - Optimized ASNetworkImageNode loading and resolved edge cases where the image provided to the delegate was not the image that was loaded. [Adlai Holler](https://github.com/Adlai-Holler) [#778](https://github.com/TextureGroup/Texture/pull/778/)
 - Make `ASCellNode` tint color apply to table view cell accessories. [Vladyslav Chapaev](https://github.com/ShogunPhyched) [#764](https://github.com/TextureGroup/Texture/pull/764)
 - Fix ASTextNode2 is accessing backgroundColor off main while sizing / layout is happening. [Michael Schneider](https://github.com/maicki) [#794](https://github.com/TextureGroup/Texture/pull/778/)
+- Pass scrollViewWillEndDragging delegation through in ASIGListAdapterDataSource for IGListKit integration. [#796](https://github.com/TextureGroup/Texture/pull/796)
 
 ## 2.6
 - [Xcode 9] Updated to require Xcode 9 (to fix warnings) [Garrett Moon](https://github.com/garrettmoon)

diff --git a/Source/Private/ASIGListAdapterBasedDataSource.m b/Source/Private/ASIGListAdapterBasedDataSource.m
@@ -102,6 +102,14 @@ - (void)scrollViewWillBeginDragging:(UIScrollView *)scrollView
   [self.delegate scrollViewWillBeginDragging:scrollView];
 }
 
+- (void)scrollViewWillEndDragging:(UIScrollView *)scrollView withVelocity:(CGPoint)velocity targetContentOffset:(inout CGPoint *)targetContentOffset
+{
+  // IGListAdapter doesn't implement scrollViewWillEndDragging yet (pending pull request), so we need this check for now. Doesn't hurt to have it anyways :)
+  if ([self.delegate respondsToSelector:@selector(scrollViewWillEndDragging:withVelocity:targetContentOffset:)]) {
+    [self.delegate scrollViewWillEndDragging:scrollView withVelocity:velocity targetContentOffset:targetContentOffset];
+  }
+}
+
 - (void)scrollViewDidEndDragging:(UIScrollView *)scrollView willDecelerate:(BOOL)decelerate
 {
   [self.delegate scrollViewDidEndDragging:scrollView willDecelerate:decelerate];