Mike Renoir
140 lines
5.0 KiB
Swift
140 lines
5.0 KiB
Swift
//
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// SecretChatKeyViewController.swift
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// Telegram
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//
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// Created by keepcoder on 15/03/2017.
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// Copyright © 2017 Telegram. All rights reserved.
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//
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import Cocoa
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import TGUIKit
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import Postbox
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import TelegramCore
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import ObjcUtils
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import SwiftSignalKit
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class SecretChatKeyView : View {
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private let scrollView = ScrollView(frame: .zero)
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let imageView:ImageView = ImageView()
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let textView:TextView = TextView()
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let descriptionView = TextView()
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private let documentView = View()
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required init(frame frameRect: NSRect) {
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super.init(frame: frameRect)
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addSubview(scrollView)
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documentView.addSubview(imageView)
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documentView.addSubview(textView)
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documentView.addSubview(descriptionView)
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scrollView.documentView = documentView
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descriptionView.userInteractionEnabled = false
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updateLocalizationAndTheme(theme: theme)
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}
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required init?(coder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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func update(with fingerprint: SecretChatKeyFingerprint, participant:Peer) {
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let keySignatureData = fingerprint.sha1.data()
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let additionalSignature = fingerprint.sha256.data()
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let image = TGIdenticonImage(keySignatureData, additionalSignature, NSMakeSize(264, 264))
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imageView.image = image.precomposed(flipVertical: true)
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imageView.sizeToFit()
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var data = Data()
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data.append(keySignatureData)
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data.append(additionalSignature)
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let s1: String = (data.subdata(in: 0 ..< 8) as NSData).stringByEncodingInHex()
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let s2: String = (data.subdata(in: 8 ..< 16) as NSData).stringByEncodingInHex()
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let s3: String = (additionalSignature.subdata(in: 0 ..< 8) as NSData).stringByEncodingInHex()
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let s4: String = (additionalSignature.subdata(in : 8 ..< 16) as NSData).stringByEncodingInHex()
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let text: String = "\(s1)\n\(s2)\n\(s3)\n\(s4)"
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let style = NSMutableParagraphStyle()
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style.lineSpacing = 3.0
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style.lineBreakMode = .byWordWrapping
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style.alignment = .center
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let attributedString = NSAttributedString(string: text, attributes: [.paragraphStyle: style, NSAttributedString.Key.font: NSFont.code(.title), .foregroundColor: theme.colors.text])
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let layout = TextViewLayout(attributedString, maximumNumberOfLines: 4, alignment: .center)
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layout.measure(width: 264)
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textView.update(layout)
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let attr = NSMutableAttributedString()
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_ = attr.append(string: strings().encryptionKeyDescription(participant.compactDisplayTitle, participant.compactDisplayTitle), color: theme.colors.grayText, font: .normal(.text))
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attr.detectBoldColorInString(with: .medium(.text))
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attr.detectLinks(type: [.Links])
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let descriptionLayout = TextViewLayout(attr, alignment: .center)
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descriptionLayout.interactions = globalLinkExecutor
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descriptionLayout.measure(width: frame.width - 60)
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descriptionView.update(descriptionLayout)
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needsLayout = true
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}
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override func updateLocalizationAndTheme(theme: PresentationTheme) {
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super.updateLocalizationAndTheme(theme: theme)
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}
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override func layout() {
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super.layout()
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scrollView.frame = bounds
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documentView.frame = bounds
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imageView.centerX(y: 30)
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textView.centerX(y: imageView.frame.maxY + 30)
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descriptionView.resize(frame.width - 60)
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descriptionView.centerX(y: textView.frame.maxY + 30)
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documentView.frame = .init(origin: .zero, size: NSMakeSize(frame.width, descriptionView.frame.maxY + 30))
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}
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}
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class SecretChatKeyViewController: TelegramGenericViewController<SecretChatKeyView> {
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private let peerId:PeerId
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private let disposable = MetaDisposable()
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override func viewDidLoad() {
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super.viewDidLoad()
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disposable.set((combineLatest(context.account.postbox.combinedView(keys: [.peerChatState(peerId: peerId)]), context.account.viewTracker.peerView(peerId), appearanceSignal) |> deliverOnMainQueue).start(next: { [weak self] view, peerView, _ in
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if let peerId = self?.peerId, let view = view.views[.peerChatState(peerId: peerId)] as? PeerChatStateView, let state = view.chatState?.getLegacy() as? SecretChatState {
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if let keyFingerprint = state.keyFingerprint {
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if let peer = peerViewMainPeer(peerView) {
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self?.genericView.update(with: keyFingerprint, participant: peer)
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}
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}
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self?.readyOnce()
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}
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}))
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}
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override var enableBack: Bool {
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return true
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}
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deinit {
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self.disposable.dispose()
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}
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init(_ context:AccountContext, peerId:PeerId) {
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self.peerId = peerId
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super.init(context)
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}
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}
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