124 lines
4.8 KiB
Swift
124 lines
4.8 KiB
Swift
//
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// CIImageView.swift
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// SimpleX
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//
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// Created by JRoberts on 12/04/2022.
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// Copyright © 2022 SimpleX Chat. All rights reserved.
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//
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import SwiftUI
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import SimpleXChat
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struct CIImageView: View {
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@Environment(\.colorScheme) var colorScheme
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let chatItem: ChatItem
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let image: String
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let maxWidth: CGFloat
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@Binding var imgWidth: CGFloat?
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@State var scrollProxy: ScrollViewProxy?
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@State private var showFullScreenImage = false
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var body: some View {
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let file = chatItem.file
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VStack(alignment: .center, spacing: 6) {
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if let uiImage = getLoadedImage(file) {
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imageView(uiImage)
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.fullScreenCover(isPresented: $showFullScreenImage) {
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FullScreenMediaView(chatItem: chatItem, image: uiImage, showView: $showFullScreenImage, scrollProxy: scrollProxy)
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}
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.onTapGesture { showFullScreenImage = true }
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} else if let data = Data(base64Encoded: dropImagePrefix(image)),
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let uiImage = UIImage(data: data) {
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imageView(uiImage)
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.onTapGesture {
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if let file = file {
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switch file.fileStatus {
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case .rcvInvitation:
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Task {
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if let user = ChatModel.shared.currentUser {
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await receiveFile(user: user, fileId: file.fileId)
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}
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// TODO image accepted alert?
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}
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case .rcvAccepted:
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switch file.fileProtocol {
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case .xftp:
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AlertManager.shared.showAlertMsg(
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title: "Waiting for image",
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message: "Image will be received when your contact completes uploading it."
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)
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case .smp:
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AlertManager.shared.showAlertMsg(
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title: "Waiting for image",
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message: "Image will be received when your contact is online, please wait or check later!"
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)
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}
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case .rcvTransfer: () // ?
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case .rcvComplete: () // ?
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case .rcvCancelled: () // TODO
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default: ()
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}
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}
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}
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}
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}
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}
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private func imageView(_ img: UIImage) -> some View {
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let w = img.size.width <= img.size.height ? maxWidth * 0.75 : img.imageData == nil ? .infinity : maxWidth
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DispatchQueue.main.async { imgWidth = w }
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return ZStack(alignment: .topTrailing) {
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if img.imageData == nil {
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Image(uiImage: img)
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.resizable()
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.scaledToFit()
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.frame(maxWidth: w)
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} else {
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SwiftyGif(image: img)
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.frame(width: w, height: w * img.size.height / img.size.width)
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.scaledToFit()
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}
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loadingIndicator()
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}
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}
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@ViewBuilder private func loadingIndicator() -> some View {
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if let file = chatItem.file {
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switch file.fileStatus {
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case .sndStored:
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switch file.fileProtocol {
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case .xftp: progressView()
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case .smp: EmptyView()
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}
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case .sndTransfer: progressView()
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case .sndComplete: fileIcon("checkmark", 10, 13)
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case .sndCancelled: fileIcon("xmark", 10, 13)
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case .sndError: fileIcon("xmark", 10, 13)
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case .rcvInvitation: fileIcon("arrow.down", 10, 13)
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case .rcvAccepted: fileIcon("ellipsis", 14, 11)
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case .rcvTransfer: progressView()
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case .rcvCancelled: fileIcon("xmark", 10, 13)
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case .rcvError: fileIcon("xmark", 10, 13)
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default: EmptyView()
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}
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}
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}
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private func fileIcon(_ icon: String, _ size: CGFloat, _ padding: CGFloat) -> some View {
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Image(systemName: icon)
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.resizable()
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.aspectRatio(contentMode: .fit)
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.frame(width: size, height: size)
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.foregroundColor(.white)
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.padding(padding)
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}
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private func progressView() -> some View {
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ProgressView()
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.progressViewStyle(.circular)
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.frame(width: 20, height: 20)
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.tint(.white)
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.padding(8)
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}
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}
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