shared/ios/KeybaseShare/ShareViewController.swift - master - githubmirror/client

shared/ios/KeybaseShare/ShareViewController.swift
84 строки3 KB
chrisnojima
unify video trim + compression across share extension and in-chat attach. misc share fixes (#29485)
06 авг 2026, 18:54
06 авг 2026, 18:54400178f
//
//  ShareViewController.swift
//  KeybaseShare
//
//  Created by Chris Nojima on 6/12/25.
//  Copyright © 2025 Keybase. All rights reserved.
//

import Foundation
import Intents
import UIKit
import MobileCoreServices
import Keybasego
import KBCommon

@objc(ShareViewController)
public class ShareViewController: UIViewController {
  var iph: ItemProviderHelper?
  var alert: UIAlertController?
  var selectedConvID: String?
  // viewDidAppear fires again when the progress alert is dismissed; only
  // process the share once.
  private var didStartProcessing = false

  func openApp() {
    let path = selectedConvID.map { "keybase://incoming-share/\($0)" } ?? "keybase://incoming-share"
    guard let url = URL(string: path) else { return }
    let sel = #selector(UIApplication.open(_:options:completionHandler:))
    var responder: UIResponder? = self
    while let r = responder {
      if r.responds(to: sel) {
        let imp = r.method(for: sel)
        typealias Func = @convention(c) (AnyObject, Selector, URL, AnyObject?, ((Bool) -> Void)?) -> Void
        let f = unsafeBitCast(imp, to: Func.self)
        f(r, sel, url, nil, nil)
        return
      }
      responder = r.next
    }
  }

  func completeRequestAlreadyInMainThread() {
    alert?.dismiss(animated: true) {
      DispatchQueue.main.async {
        self.openApp()
        self.extensionContext?.completeRequest(returningItems: nil, completionHandler: nil)
      }
    }
  }

  func showProgressView() {
    let alertController = UIAlertController(title: "Working on it", message: "\n\nPreparing content for sharing into Keybase.", preferredStyle: .alert)
    alert = alertController
    let bar = UIProgressView(progressViewStyle: .default)
    bar.translatesAutoresizingMaskIntoConstraints = false
    bar.observedProgress = iph?.progress
    alertController.view.addSubview(bar)
    NSLayoutConstraint.activate([
      bar.leadingAnchor.constraint(equalTo: alertController.view.leadingAnchor, constant: 32),
      bar.trailingAnchor.constraint(equalTo: alertController.view.trailingAnchor, constant: -32),
      bar.centerYAnchor.constraint(equalTo: alertController.view.centerYAnchor, constant: -8)
    ])
    present(alertController, animated: true, completion: nil)
  }

  public override func viewDidAppear(_ animated: Bool) {
    super.viewDidAppear(animated)
    guard !didStartProcessing else { return }
    didStartProcessing = true
    if let intent = extensionContext?.intent as? INSendMessageIntent {
      selectedConvID = intent.conversationIdentifier
    }
    let itemArrs = extensionContext?.inputItems.compactMap {
      ($0 as? NSExtensionItem)?.attachments
    } ?? []

    iph = ItemProviderHelper(forShare: true, withItems: itemArrs) { [weak self] in
      guard let self else { return }
      self.completeRequestAlreadyInMainThread()
    }
    showProgressView()
    iph?.startProcessing()
  }
}