From 83b9d5c682b21d88133f24da0f94dd56bd79e687 Mon Sep 17 00:00:00 2001
From: 单军华
Date: Thu, 19 Jul 2018 13:38:55 +0800
Subject: [PATCH] change

---
 screendisplay/Pods/MJRefresh/MJRefresh/Custom/Footer/Back/MJRefreshBackGifFooter.m |  127 ++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 127 insertions(+), 0 deletions(-)

diff --git a/screendisplay/Pods/MJRefresh/MJRefresh/Custom/Footer/Back/MJRefreshBackGifFooter.m b/screendisplay/Pods/MJRefresh/MJRefresh/Custom/Footer/Back/MJRefreshBackGifFooter.m
new file mode 100755
index 0000000..fa97c72
--- /dev/null
+++ b/screendisplay/Pods/MJRefresh/MJRefresh/Custom/Footer/Back/MJRefreshBackGifFooter.m
@@ -0,0 +1,127 @@
+//
+//  MJRefreshBackGifFooter.m
+//  MJRefreshExample
+//
+//  Created by MJ Lee on 15/4/24.
+//  Copyright (c) 2015��� ���������. All rights reserved.
+//
+
+#import "MJRefreshBackGifFooter.h"
+
+@interface MJRefreshBackGifFooter()
+{
+    __unsafe_unretained UIImageView *_gifView;
+}
+/** ��������������������������������� */
+@property (strong, nonatomic) NSMutableDictionary *stateImages;
+/** ��������������������������������� */
+@property (strong, nonatomic) NSMutableDictionary *stateDurations;
+@end
+
+@implementation MJRefreshBackGifFooter
+#pragma mark - ���������
+- (UIImageView *)gifView
+{
+    if (!_gifView) {
+        UIImageView *gifView = [[UIImageView alloc] init];
+        [self addSubview:_gifView = gifView];
+    }
+    return _gifView;
+}
+
+- (NSMutableDictionary *)stateImages
+{
+    if (!_stateImages) {
+        self.stateImages = [NSMutableDictionary dictionary];
+    }
+    return _stateImages;
+}
+
+- (NSMutableDictionary *)stateDurations
+{
+    if (!_stateDurations) {
+        self.stateDurations = [NSMutableDictionary dictionary];
+    }
+    return _stateDurations;
+}
+
+#pragma mark - ������������
+- (void)setImages:(NSArray *)images duration:(NSTimeInterval)duration forState:(MJRefreshState)state
+{
+    if (images == nil) return;
+    
+    self.stateImages[@(state)] = images;
+    self.stateDurations[@(state)] = @(duration);
+    
+    /* ��������������������������������� */
+    UIImage *image = [images firstObject];
+    if (image.size.height > self.mj_h) {
+        self.mj_h = image.size.height;
+    }
+}
+
+- (void)setImages:(NSArray *)images forState:(MJRefreshState)state
+{
+    [self setImages:images duration:images.count * 0.1 forState:state];
+}
+
+#pragma mark - ���������������������
+- (void)prepare
+{
+    [super prepare];
+    
+    // ���������������
+    self.labelLeftInset = 20;
+}
+
+- (void)setPullingPercent:(CGFloat)pullingPercent
+{
+    [super setPullingPercent:pullingPercent];
+    NSArray *images = self.stateImages[@(MJRefreshStateIdle)];
+    if (self.state != MJRefreshStateIdle || images.count == 0) return;
+    [self.gifView stopAnimating];
+    NSUInteger index =  images.count * pullingPercent;
+    if (index >= images.count) index = images.count - 1;
+    self.gifView.image = images[index];
+}
+
+- (void)placeSubviews
+{
+    [super placeSubviews];
+    
+    if (self.gifView.constraints.count) return;
+    
+    self.gifView.frame = self.bounds;
+    if (self.stateLabel.hidden) {
+        self.gifView.contentMode = UIViewContentModeCenter;
+    } else {
+        self.gifView.contentMode = UIViewContentModeRight;
+        self.gifView.mj_w = self.mj_w * 0.5 - self.labelLeftInset - self.stateLabel.mj_textWith * 0.5;
+    }
+}
+
+- (void)setState:(MJRefreshState)state
+{
+    MJRefreshCheckState
+    
+    // ���������������������
+    if (state == MJRefreshStatePulling || state == MJRefreshStateRefreshing) {
+        NSArray *images = self.stateImages[@(state)];
+        if (images.count == 0) return;
+        
+        self.gifView.hidden = NO;
+        [self.gifView stopAnimating];
+        if (images.count == 1) { // ������������
+            self.gifView.image = [images lastObject];
+        } else { // ������������
+            self.gifView.animationImages = images;
+            self.gifView.animationDuration = [self.stateDurations[@(state)] doubleValue];
+            [self.gifView startAnimating];
+        }
+    } else if (state == MJRefreshStateIdle) {
+        self.gifView.hidden = NO;
+    } else if (state == MJRefreshStateNoMoreData) {
+        self.gifView.hidden = YES;
+    }
+}
+@end

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