Initial commit

2017-08-15 16:59:01 +08:00
commit bdc83e07ef
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+//
+//  JHRefreshBaseView.m
+//  JHRefresh
+//
+//  Created by Jiahai on 14-9-12.
+//  Copyright (c) 2014年 Jiahai. All rights reserved.
+//
+
+#import "JHRefreshBaseView.h"
+#import "JHRefreshConfig.h"
+#import "UIScrollView+JHExtension.h"
+#import "UIView+JHExtension.h"
+
+@interface JHRefreshBaseView ()
+@property (nonatomic, assign)       JHRefreshResult    refreshResult; //刷新是否成功
+
+/**
+ *  正在刷新时设置contentInset的值，header设置Top，footer设置bottom
+ */
+- (void)setRefreshingContentInset;
+/**
+ *  刷新完成后还原contentInset的值
+ */
+- (void)resumeContentInset;
+@end
+
+@implementation JHRefreshBaseView
+
+ (instancetype)createView
+{
+    return [[[self class] alloc] init];
+}
+
+- (id)initWithFrame:(CGRect)frame
+{
+    frame.size.height = JHRefreshViewHeight;
+    self = [super initWithFrame:frame];
+    if (self) {
+        // Initialization code
+        self.autoresizingMask = UIViewAutoresizingFlexibleWidth;
+        self.backgroundColor = [UIColor clearColor];
+        
+        self.state = JHRefreshStateNormal;
+        
+    }
+    return self;
+}
+
+- (void)setAniView:(JHRefreshAniBaseView<JHRefreshViewDelegate> *)aniView
+{
+    if(_aniView)
+    {
+        [_aniView removeFromSuperview];
+    }
+    
+    [self addSubview:aniView];
+    _aniView = aniView;
+}
+
+- (void)willMoveToSuperview:(UIView *)newSuperview
+{
+    [super willMoveToSuperview:newSuperview];
+    
+    self.jh_width = newSuperview.jh_width;
+    
+    [self.superview removeObserver:self forKeyPath:JHRefreshContentOffset];
+    
+    [newSuperview addObserver:self forKeyPath:JHRefreshContentOffset options:NSKeyValueObservingOptionNew context:nil];
+    
+    _scrollView = (UIScrollView *)newSuperview;
+    
+}
+
+- (BOOL)refreshing
+{
+    return self.state == JHRefreshStateRefreshing;
+}
+
+- (void)setState:(JHRefreshState)state
+{
+    //状态不改变什么都不做
+    if(_state == state)
+        return;
+    
+    JHRefreshState oldState = _state;
+    _state = state;
+    
+    switch (oldState) {
+        case JHRefreshStateNormal:
+        {
+            if(state == JHRefreshStatePulling)
+            {
+                //普通状态转为下拉状态
+                [_aniView refreshViewAniToBePulling];
+            }
+        }
+            break;
+        case JHRefreshStateRefreshing:
+        {
+            if(state == JHRefreshStateNormal)
+            {
+                //刷新状态转为普通状态
+                [_aniView refreshViewEndRefreshing:_refreshResult];
+                
+                switch (_refreshResult) {
+                    case JHRefreshResultNone:
+                    {
+                        [self resumeContentInset];
+                        [_aniView refreshViewAniToBeNormal];
+                    }
+                        break;
+                    case JHRefreshResultSuccess:
+                    case JHRefreshResultFailure:
+                    {
+                        //展示刷新结果，延时隐藏refreshView;
+                        dispatch_time_t delayInNanoSeconds =dispatch_time(DISPATCH_TIME_NOW, JHRefreshShowResultAnimationDuration * NSEC_PER_SEC);
+                        //延期执行
+                        dispatch_after(delayInNanoSeconds, dispatch_get_main_queue(), ^{
+                            [UIView animateWithDuration:JHRefreshSlowAnimationDuration animations:^{
+                                [self resumeContentInset];
+                                [_aniView refreshViewAniToBeNormal];
+                            }];
+                        });
+                    }
+                        break;
+                }
+            }
+        }
+            break;
+        case JHRefreshStatePulling:
+        {
+            if(state == JHRefreshStateNormal)
+            {
+                //下拉状态转为普通状态
+                [_aniView refreshViewAniToBeNormal];
+            }
+            else if(state == JHRefreshStateRefreshing)
+            {
+                //下拉状态转为刷新状态
+                
+                //
+                [self setRefreshingContentInset];
+                
+                [_aniView refreshViewBeginRefreshing];
+                
+                //执行刷新block
+                if(self.beginRefreshingBlock)
+                    self.beginRefreshingBlock();
+            }
+        }
+            break;
+    }
+}
+
+- (void)endRefreshingWithResult:(JHRefreshResult)result
+{
+    self.refreshResult = result;
+    self.state = JHRefreshStateNormal;
+}
+
+- (void)setRefreshingContentInset
+{
+
+}
+
+- (void)resumeContentInset
+{
+    
+}
+
+/*
+// Only override drawRect: if you perform custom drawing.
+// An empty implementation adversely affects performance during animation.
+- (void)drawRect:(CGRect)rect
+{
+    // Drawing code
+}
+*/
+
+@end