23cbf82353
* iOS switch from file cache to memory cache and use last_picture_update to update the avatar if needed * Android switch from file cache to memory cache and use last_picture_update to update the avatar if needed, split function to multiple files and catch potential exceptions
31 lines
864 B
Swift
31 lines
864 B
Swift
import Foundation
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public final class ImageCache: ImageCacheType {
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public static let `default` = ImageCache()
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struct Config {
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let countLimit: Int
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let memoryLimit: Int
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static let defaultConfig = Config(countLimit: 50, memoryLimit: 1024 * 1024 * 50)
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}
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lazy var imageCache: NSCache<NSString, NSData> = {
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let cache = NSCache<NSString, NSData>()
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cache.countLimit = config.countLimit
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cache.totalCostLimit = config.memoryLimit
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return cache
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}()
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lazy var keysCache: NSCache<NSString, NSString> = {
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let cache = NSCache<NSString, NSString>()
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cache.countLimit = config.countLimit
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return cache
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}()
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let lock = NSLock()
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let config: Config
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private init(config: Config = Config.defaultConfig) {
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self.config = config
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}
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}
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