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742f8cf902
Make avatar building sync Tests on a iPhone5 with 1k threads, 3k contacts show no noticeable lag. Profiling shows ~4% of usage goes to contact avatar building, but once cached, even that goes towards zero. // FREEBIE
47 lines
839 B
Objective-C
47 lines
839 B
Objective-C
//
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// Copyright (c) 2017 Open Whisper Systems. All rights reserved.
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//
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#import "OWSGroupAvatarBuilder.h"
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#import "TSGroupThread.h"
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NS_ASSUME_NONNULL_BEGIN
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@interface OWSGroupAvatarBuilder ()
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@property (nonatomic, readonly) TSGroupThread *thread;
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@end
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@implementation OWSGroupAvatarBuilder
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- (instancetype)initWithThread:(TSGroupThread *)thread
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{
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self = [super init];
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if (!self) {
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return self;
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}
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_thread = thread;
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return self;
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}
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- (nullable UIImage *)buildSavedImage
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{
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return self.thread.groupModel.groupImage;
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}
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- (UIImage *)buildDefaultImage
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{
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static UIImage *defaultGroupImage;
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static dispatch_once_t onceToken;
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dispatch_once(&onceToken, ^{
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defaultGroupImage = [UIImage imageNamed:@"empty-group-avatar"];
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});
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return defaultGroupImage;
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}
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@end
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NS_ASSUME_NONNULL_END
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