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2017-08-15 16:59:01 +08:00
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+//
+//  KTThumbsView.h
+//  Sample
+//
+//  Created by Kirby Turner on 3/23/10.
+//  Copyright 2010 White Peak Software Inc. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+@protocol KTThumbsViewDataSource;
+@class KTThumbsViewController;
+@class KTThumbView;
+
+@interface KTThumbsView : UIScrollView <UIScrollViewDelegate>
+{
+@private
+  
+   BOOL thumbsHaveBorder_;
+   NSInteger thumbsPerRow_;
+   CGSize thumbSize_;
+   
+   NSMutableSet *reusableThumbViews_;
+   
+   // We use the following ivars to keep track of 
+   // which thumbnail view indexes are visible.
+   NSInteger firstVisibleIndex_;
+   NSInteger lastVisibleIndex_;
+   NSInteger lastItemsPerRow_;
+}
+
+@property (nonatomic, assign) id<KTThumbsViewDataSource> dataSource;
+@property (nonatomic, assign) KTThumbsViewController *controller;
+@property (nonatomic, assign) BOOL thumbsHaveBorder;
+@property (nonatomic, assign) NSInteger thumbsPerRow;
+@property (nonatomic, assign) CGSize thumbSize;
+
+- (KTThumbView *)dequeueReusableThumbView;
+- (void)reloadData;
+
+@end
+
+@protocol KTThumbsViewDataSource <NSObject>
+@required
+- (NSInteger)thumbsViewNumberOfThumbs:(KTThumbsView *)thumbsView;
+- (KTThumbView *)thumbsView:(KTThumbsView *)thumbsView thumbForIndex:(NSInteger)index;
+
+@end