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优化图片缓存

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Fin 2025-06-04 09:41:55 +08:00
parent c1d9dfe7f6
commit 639e511c30
1 changed files with 19 additions and 7 deletions
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26
View/MessageList/MessageItemView.swift
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@ -90,13 +90,9 @@ class MessageItemView: UIView {
var tapAction: ((_ message: MessageItemModel, _ sourceView: MessageItemView) -> Void)?
static var imageCache: ImageCache?
static var imageCacheCreatedTime: Date?
/// 用于查找通知扩展缓存的图片
lazy var imageCache: ImageCache = {
let groupUrl = FileManager.default.containerURL(forSecurityApplicationGroupIdentifier: "group.bark")
let cache = try? ImageCache(name: "shared", cacheDirectoryURL: groupUrl)
return cache ?? KingfisherManager.shared.cache
}()
init() {
super.init(frame: .zero)
@ -163,6 +159,22 @@ class MessageItemView: UIView {
}
extension MessageItemView {
/// 获取图片缓存，用于查找由通知扩展缓存的图片
/// - Note: 如果创建的图片缓存时间点在传入 date 之前，则需要重新创建图片缓存。因为 Kingfisher/DiskStorage 会在创建时，使用 maybeCached Set 缓存图片路径。
/// 由于 Bark 会在 NotificationServiceExtension 使用新的 ImageCache 示例缓存图片， 导致新缓存的图片没有更新到主 APP 的 ImageCache 实例中的 maybeCached，于是被误认为没有缓存导致问题
/// - Parameter date: 图片缓存有效时间点
/// - Returns: 图片缓存
func getImageCache(date: Date) -> ImageCache {
if let cache = MessageItemView.imageCache, let createdTime = MessageItemView.imageCacheCreatedTime, createdTime > date {
return cache
}
let groupUrl = FileManager.default.containerURL(forSecurityApplicationGroupIdentifier: "group.bark")
let cache = try? ImageCache(name: "shared", cacheDirectoryURL: groupUrl)
MessageItemView.imageCache = cache
MessageItemView.imageCacheCreatedTime = Date()
return cache ?? ImageCache.default
}
func setMessage(message: MessageItemModel) {
self.bodyLabel.attributedText = message.attributedText
self.dateLabel.text = message.dateText
@ -174,7 +186,7 @@ extension MessageItemView {
imageView.removeImageViewer()
// loadDiskFileSynchronously
imageView.kf.setImage(with: URL(string: image), options: [.targetCache(imageCache), .keepCurrentImageWhileLoading, .loadDiskFileSynchronously]) { [weak self] result in
imageView.kf.setImage(with: URL(string: image), options: [.targetCache(getImageCache(date: message.createDate ?? Date())), .keepCurrentImageWhileLoading, .loadDiskFileSynchronously]) { [weak self] result in
guard let self else { return }
guard let image = try? result.get().image else {
self.imageView.image = nil