//
//  TPCollectionController.h
//  ThePaperHD
//
//  Created by scar1900 on 15/1/6.
//  Copyright (c) 2015年 scar1900. All rights reserved.
//

#import "TPHttpController.h"
#import "UIScrollView+GifPullToRefresh.h"

static NSString * const collectCellIdentifier = @"collectCellIdentifier";
static NSString * const collectLoadIndentfier = @"collectLoadIndentfier";

#pragma mark - 控件的刷新状态
typedef enum {
    RefreshStatePulling = 1, // 松开就可以进行刷新的状态
    RefreshStateNormal = 2, // 普通状态
    RefreshStateRefreshing = 3, // 正在刷新中的状态
    RefreshStateCancel = 4,
    RefreshStateSucess = 5,
    RefreshStateIsPulling = 6,
    RefreshStateNoMore = 7,
    RefreshStateFailed = 8
} collectLoadState;

@protocol collectLoadDelegate<NSObject>
@optional
- (void)startLoad;//开始刷新代理
@end

@interface collectLoadView : UICollectionReusableView
@property(nonatomic, strong)UIActivityIndicatorView *activityView;
@property(nonatomic, assign)collectLoadState state;
@property(nonatomic, weak)id<collectLoadDelegate> delegate;
@property(nonatomic, strong)UILabel *textLabel;
@end


@interface TPCollectionController : TPHttpController<UICollectionViewDataSource,UICollectionViewDelegate,UICollectionViewDelegateFlowLayout,collectLoadDelegate> {
    BOOL isCanLoad;
    BOOL isCanRefresh;
}
@property(nonatomic, strong)UICollectionView *collectionView;
@property(nonatomic, strong)UICollectionViewFlowLayout *collectionLayout;
@property (nonatomic, strong)NSMutableArray *loadingImgs;
@property (nonatomic, strong)NSMutableArray *drawingImgs;
@property(nonatomic, strong)collectLoadView *loadFooter;


- (id)initWithCollectionViewLayout:(UICollectionViewFlowLayout *)layout;

@property(nonatomic, strong)NSString *nextUrl;

- (void)configCanRefresh:(BOOL)canRefresh canLoad:(BOOL)canLoad;

/*上拉刷新*/
- (void)manualRefresh; //手动调用刷新
- (void)endRefresh:(void (^)(void))animate completion:(void (^)(void))completion; //结束上拉刷新
- (void)pullRefreshHandler;   //上拉刷新回调


/*下拉加载*/
- (void)manualLoad; //手动调用加载
- (void)noMoreLoad; //没有更多数据处理
- (void)loadSuccess; //加载成功
- (void)pullLoadMoreHander;   //下拉加载回调


@end