forked from zelo72/mastodon-ios
95 lines
3.4 KiB
Swift
95 lines
3.4 KiB
Swift
//
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// MediaView+Configuration.swift
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// Mastodon
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//
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// Created by MainasuK on 2022-1-12.
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//
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import UIKit
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import Combine
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import CoreDataStack
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import MastodonUI
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import AlamofireImage
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extension MediaView {
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public static func configuration(status: Status) -> [MediaView.Configuration] {
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func videoInfo(from attachment: MastodonAttachment) -> MediaView.Configuration.VideoInfo {
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MediaView.Configuration.VideoInfo(
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aspectRadio: attachment.size,
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assetURL: attachment.assetURL,
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previewURL: attachment.previewURL,
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durationMS: attachment.durationMS
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)
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}
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let status = status.reblog ?? status
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let attachments = status.attachments
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let configurations = attachments.map { attachment -> MediaView.Configuration in
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let configuration: MediaView.Configuration = {
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switch attachment.kind {
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case .image:
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let info = MediaView.Configuration.ImageInfo(
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aspectRadio: attachment.size,
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assetURL: attachment.assetURL
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)
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return .init(
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info: .image(info: info),
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blurhash: attachment.blurhash
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)
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case .video:
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let info = videoInfo(from: attachment)
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return .init(
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info: .video(info: info),
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blurhash: attachment.blurhash
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)
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case .gifv:
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let info = videoInfo(from: attachment)
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return .init(
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info: .gif(info: info),
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blurhash: attachment.blurhash
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)
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case .audio:
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let info = videoInfo(from: attachment)
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return .init(
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info: .video(info: info),
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blurhash: attachment.blurhash
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)
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} // end switch
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}()
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if let previewURL = configuration.previewURL,
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let url = URL(string: previewURL)
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{
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let placeholder = UIImage.placeholder(color: .systemGray6)
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let request = URLRequest(url: url)
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ImageDownloader.default.download(request) { response in
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switch response.result {
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case .success(let image):
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configuration.previewImage = image
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case .failure(let error):
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configuration.previewImage = placeholder
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}
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}
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}
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if let assetURL = configuration.assetURL,
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let blurhash = configuration.blurhash
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{
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AppContext.shared.blurhashImageCacheService.image(
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blurhash: blurhash,
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size: configuration.aspectRadio,
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url: assetURL
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)
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.assign(to: \.blurhashImage, on: configuration)
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.store(in: &configuration.blurhashImageDisposeBag)
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}
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configuration.isReveal = status.sensitive ? status.isMediaSensitiveToggled : true
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return configuration
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}
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return configurations
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}
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}
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