add autoClearGestures feature

alibaba · Mar 12, 2018 · 36ade84 · 36ade84
1 parent 8dfca94
commit 36ade84
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Showing 2 changed files with 12 additions and 2 deletions.
diff --git a/LazyScrollView/TMLazyScrollView.h b/LazyScrollView/TMLazyScrollView.h
@@ -60,9 +60,17 @@
  If it is YES, LazyScrollView will add created item view into
  its subviews automatically.
  Default value is NO.
+ Please only set this value before you reload data for the first time.
  */
 @property (nonatomic, assign) BOOL autoAddSubview;
 
+/**
+ If it is YES, LazyScrollView will clear all gestures for item view before
+ reusing it.
+ Default value is YES.
+ */
+@property (nonatomic, assign) BOOL autoClearGestures;
+
 /**
  Item views which is in the buffer area.
  They will be shown soon.

diff --git a/LazyScrollView/TMLazyScrollView.m b/LazyScrollView/TMLazyScrollView.m
@@ -11,8 +11,8 @@
 #import "UIView+TMLazyScrollView.h"
 #import "TMLazyReusePool.h"
 
-#define LazyBufferHeight 20.0
-#define LazyHalfBufferHeight (LazyBufferHeight / 2.0)
+#define LazyBufferHeight 30.0
+#define LazyHalfBufferHeight 15.0
 void * const LazyObserverContext = "LazyObserverContext";
 
 @interface TMLazyOuterScrollViewObserver: NSObject
@@ -469,7 +469,9 @@ - (UIView *)dequeueReusableItemWithIdentifier:(NSString *)identifier muiID:(NSSt
             result = [self.reusePool dequeueItemViewForReuseIdentifier:identifier];
         }
         if (result) {
+            if (self.autoClearGestures) {
             result.gestureRecognizers = nil;
+            }
             if ([result respondsToSelector:@selector(mui_prepareForReuse)]) {
                 [(id<TMLazyItemViewProtocol>)result mui_prepareForReuse];
             }