From e437743e2bd144b0286c0c5af6b7fd6aec23302d Mon Sep 17 00:00:00 2001
From: Andy Wang <ownzandy@fb.com>
Date: Fri, 27 Mar 2020 13:51:50 -0700
Subject: [PATCH] Properly animate reactions without jitter [IG Direct]
 [Reactions Emitter Animation] [7/x]

Summary: We add a boolean isDisplayingCell method to check the existence of displayingCell in IGListBindingSingleSectionController

Reviewed By: chritto

Differential Revision: D20649871

fbshipit-source-id: f626cfdedff907604514c485d11362cd9ba12b99
---
 Source/IGListKit/IGListBindingSingleSectionController.h | 2 ++
 Source/IGListKit/IGListBindingSingleSectionController.m | 4 ++++
 2 files changed, 6 insertions(+)

diff --git a/Source/IGListKit/IGListBindingSingleSectionController.h b/Source/IGListKit/IGListBindingSingleSectionController.h
index dac74192..3594070f 100644
--- a/Source/IGListKit/IGListBindingSingleSectionController.h
+++ b/Source/IGListKit/IGListBindingSingleSectionController.h
@@ -46,6 +46,8 @@ NS_SWIFT_NAME(ListBindingSingleSectionController)
 // Subclasable. Defaults is no-op.0
 - (void)didUnhighlightItemWithCell:(Cell)cell;
 
+- (BOOL)isDisplayingCell;
+
 @end
 
 NS_ASSUME_NONNULL_END
diff --git a/Source/IGListKit/IGListBindingSingleSectionController.m b/Source/IGListKit/IGListBindingSingleSectionController.m
index 82f76908..405f8486 100644
--- a/Source/IGListKit/IGListBindingSingleSectionController.m
+++ b/Source/IGListKit/IGListBindingSingleSectionController.m
@@ -116,4 +116,8 @@
     [super didEndDisplayingCell:cell atIndex:index listAdapter:listAdapter];
 }
 
+- (BOOL)isDisplayingCell {
+    return _displayingCell != nil;
+}
+
 @end