duoshoubang/FirstLink/Category/UIImageView+...

//
//  UIImageView+FLAddition.m
//  FirstLink
//
//  Created by 王孝道 on 15/5/14.
//  Copyright (c) 2015年 FirstLink. All rights reserved.
//

#import "UIImageView+FLAddition.h"
#import "UIImageView+WebCache.h"

#define kAlphaChangeDuration 0.2f
@implementation UIImageView (FLAddition)
- (void)fl_setImageWithURL:(NSURL *)url
{
    [self fl_setImageWithURL:url placeholderImage:nil];
}
- (void)fl_setImageWithURL:(NSURL *)url placeholderImage:(UIImage *)placeholder
{
//    WeakSelf(weakSelf);
    [self sd_setImageWithURL:url placeholderImage:placeholder options:0 progress:nil completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, NSURL *imageURL) {
//        if (!image) { return; }
//        [UIView transitionWithView:weakSelf
//                          duration:kAlphaChangeDuration
//                           options:UIViewAnimationOptionTransitionCrossDissolve
//                        animations:^{
//                            weakSelf.image = image;
//                        } completion:NULL];
    }];
}
- (void)fl_setImageWithURL:(NSString *)urlString finish:(void (^)(CGSize size, NSString *urlString))finishAction
{
    WeakSelf(weakSelf);
    NSURL *url = [NSURL URLWithString:urlString];
    
    __block typeof(finishAction) weak_finishAction = finishAction;
    [self sd_setImageWithURL:url placeholderImage:nil options:0 progress:nil completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, NSURL *imageURL) {
        if (!image) {
            return;
        }
        if (weak_finishAction) weak_finishAction(image.size, urlString);
        
        [UIView transitionWithView:weakSelf
                          duration:kAlphaChangeDuration
                           options:UIViewAnimationOptionTransitionCrossDissolve
                        animations:^{
                            weakSelf.image = image;
                        } completion:NULL];
    }];
}

- (void)setImageWithURL:(NSString *)urlString placeholderImage:(UIImage *)placeholder width:(CGFloat)width height:(CGFloat)height {
    NSURL *url;
    if ([urlString rangeOfString:@"cdn.firstlinkapp.com"].length > 0) {
        url = [NSURL URLWithString:[NSString stringWithFormat:@"%@%@", urlString,
                                    [FLStringHelper cdnParamaterString:width
                                                                height:height]]];
    } else {
        url = [NSURL URLWithString:[urlString stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]];
    }
    
    [self fl_setImageWithURL:url placeholderImage:placeholder];
}

- (void)setImageWithURL:(NSString *)urlString cdnWidth:(CGFloat)width {
    urlString = [urlString stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];
    NSURL *url = [NSURL URLWithString:[urlString stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]];
    if ([urlString rangeOfString:@"cdn.firstlinkapp.com"].length > 0) {
        url = [NSURL URLWithString:[NSString stringWithFormat:@"%@%@", urlString, [FLStringHelper cdnParamaterString:width]]];
    }
    
    [self fl_setImageWithURL:url placeholderImage:nil];
}

@end