UIButton+WebCache.m
8.06 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
/*
* This file is part of the SDWebImage package.
* (c) Olivier Poitrey <rs@dailymotion.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
#import "UIButton+WebCache.h"
#if SD_UIKIT
#import "objc/runtime.h"
#import "UIView+WebCacheOperation.h"
static char imageURLStorageKey;
typedef NSMutableDictionary<NSNumber *, NSURL *> SDStateImageURLDictionary;
@implementation UIButton (WebCache)
- (nullable NSURL *)sd_currentImageURL {
NSURL *url = self.imageURLStorage[@(self.state)];
if (!url) {
url = self.imageURLStorage[@(UIControlStateNormal)];
}
return url;
}
- (nullable NSURL *)sd_imageURLForState:(UIControlState)state {
return self.imageURLStorage[@(state)];
}
- (void)sd_setImageWithURL:(nullable NSURL *)url forState:(UIControlState)state {
[self sd_setImageWithURL:url forState:state placeholderImage:nil options:0 completed:nil];
}
- (void)sd_setImageWithURL:(nullable NSURL *)url forState:(UIControlState)state placeholderImage:(nullable UIImage *)placeholder {
[self sd_setImageWithURL:url forState:state placeholderImage:placeholder options:0 completed:nil];
}
- (void)sd_setImageWithURL:(nullable NSURL *)url forState:(UIControlState)state placeholderImage:(nullable UIImage *)placeholder options:(SDWebImageOptions)options {
[self sd_setImageWithURL:url forState:state placeholderImage:placeholder options:options completed:nil];
}
- (void)sd_setImageWithURL:(nullable NSURL *)url forState:(UIControlState)state completed:(nullable SDExternalCompletionBlock)completedBlock {
[self sd_setImageWithURL:url forState:state placeholderImage:nil options:0 completed:completedBlock];
}
- (void)sd_setImageWithURL:(nullable NSURL *)url forState:(UIControlState)state placeholderImage:(nullable UIImage *)placeholder completed:(nullable SDExternalCompletionBlock)completedBlock {
[self sd_setImageWithURL:url forState:state placeholderImage:placeholder options:0 completed:completedBlock];
}
- (void)sd_setImageWithURL:(nullable NSURL *)url
forState:(UIControlState)state
placeholderImage:(nullable UIImage *)placeholder
options:(SDWebImageOptions)options
completed:(nullable SDExternalCompletionBlock)completedBlock {
[self setImage:placeholder forState:state];
[self sd_cancelImageLoadForState:state];
if (!url) {
[self.imageURLStorage removeObjectForKey:@(state)];
dispatch_main_async_safe(^{
if (completedBlock) {
NSError *error = [NSError errorWithDomain:SDWebImageErrorDomain code:-1 userInfo:@{NSLocalizedDescriptionKey : @"Trying to load a nil url"}];
completedBlock(nil, error, SDImageCacheTypeNone, url);
}
});
return;
}
self.imageURLStorage[@(state)] = url;
__weak __typeof(self)wself = self;
id <SDWebImageOperation> operation = [SDWebImageManager.sharedManager loadImageWithURL:url options:options progress:nil completed:^(UIImage *image, NSData *data, NSError *error, SDImageCacheType cacheType, BOOL finished, NSURL *imageURL) {
if (!wself) return;
dispatch_main_sync_safe(^{
__strong UIButton *sself = wself;
if (!sself) return;
if (image && (options & SDWebImageAvoidAutoSetImage) && completedBlock)
{
completedBlock(image, error, cacheType, url);
return;
}
else if (image) {
[sself setImage:image forState:state];
}
if (completedBlock && finished) {
completedBlock(image, error, cacheType, url);
}
});
}];
[self sd_setImageLoadOperation:operation forState:state];
}
- (void)sd_setBackgroundImageWithURL:(nullable NSURL *)url forState:(UIControlState)state {
[self sd_setBackgroundImageWithURL:url forState:state placeholderImage:nil options:0 completed:nil];
}
- (void)sd_setBackgroundImageWithURL:(nullable NSURL *)url forState:(UIControlState)state placeholderImage:(nullable UIImage *)placeholder {
[self sd_setBackgroundImageWithURL:url forState:state placeholderImage:placeholder options:0 completed:nil];
}
- (void)sd_setBackgroundImageWithURL:(nullable NSURL *)url forState:(UIControlState)state placeholderImage:(nullable UIImage *)placeholder options:(SDWebImageOptions)options {
[self sd_setBackgroundImageWithURL:url forState:state placeholderImage:placeholder options:options completed:nil];
}
- (void)sd_setBackgroundImageWithURL:(nullable NSURL *)url forState:(UIControlState)state completed:(nullable SDExternalCompletionBlock)completedBlock {
[self sd_setBackgroundImageWithURL:url forState:state placeholderImage:nil options:0 completed:completedBlock];
}
- (void)sd_setBackgroundImageWithURL:(nullable NSURL *)url forState:(UIControlState)state placeholderImage:(nullable UIImage *)placeholder completed:(nullable SDExternalCompletionBlock)completedBlock {
[self sd_setBackgroundImageWithURL:url forState:state placeholderImage:placeholder options:0 completed:completedBlock];
}
- (void)sd_setBackgroundImageWithURL:(nullable NSURL *)url
forState:(UIControlState)state
placeholderImage:(nullable UIImage *)placeholder
options:(SDWebImageOptions)options
completed:(nullable SDExternalCompletionBlock)completedBlock {
[self sd_cancelBackgroundImageLoadForState:state];
[self setBackgroundImage:placeholder forState:state];
if (url) {
__weak __typeof(self)wself = self;
id <SDWebImageOperation> operation = [SDWebImageManager.sharedManager loadImageWithURL:url options:options progress:nil completed:^(UIImage *image, NSData *data, NSError *error, SDImageCacheType cacheType, BOOL finished, NSURL *imageURL) {
if (!wself) return;
dispatch_main_sync_safe(^{
__strong UIButton *sself = wself;
if (!sself) return;
if (image && (options & SDWebImageAvoidAutoSetImage) && completedBlock)
{
completedBlock(image, error, cacheType, url);
return;
}
else if (image) {
[sself setBackgroundImage:image forState:state];
}
if (completedBlock && finished) {
completedBlock(image, error, cacheType, url);
}
});
}];
[self sd_setBackgroundImageLoadOperation:operation forState:state];
} else {
dispatch_main_async_safe(^{
NSError *error = [NSError errorWithDomain:SDWebImageErrorDomain code:-1 userInfo:@{NSLocalizedDescriptionKey : @"Trying to load a nil url"}];
if (completedBlock) {
completedBlock(nil, error, SDImageCacheTypeNone, url);
}
});
}
}
- (void)sd_setImageLoadOperation:(id<SDWebImageOperation>)operation forState:(UIControlState)state {
[self sd_setImageLoadOperation:operation forKey:[NSString stringWithFormat:@"UIButtonImageOperation%@", @(state)]];
}
- (void)sd_cancelImageLoadForState:(UIControlState)state {
[self sd_cancelImageLoadOperationWithKey:[NSString stringWithFormat:@"UIButtonImageOperation%@", @(state)]];
}
- (void)sd_setBackgroundImageLoadOperation:(id<SDWebImageOperation>)operation forState:(UIControlState)state {
[self sd_setImageLoadOperation:operation forKey:[NSString stringWithFormat:@"UIButtonBackgroundImageOperation%@", @(state)]];
}
- (void)sd_cancelBackgroundImageLoadForState:(UIControlState)state {
[self sd_cancelImageLoadOperationWithKey:[NSString stringWithFormat:@"UIButtonBackgroundImageOperation%@", @(state)]];
}
- (SDStateImageURLDictionary *)imageURLStorage {
SDStateImageURLDictionary *storage = objc_getAssociatedObject(self, &imageURLStorageKey);
if (!storage)
{
storage = [NSMutableDictionary dictionary];
objc_setAssociatedObject(self, &imageURLStorageKey, storage, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
}
return storage;
}
@end
#endif