// Copyright © 2022 Rangeproof Pty Ltd. All rights reserved. import UIKit import SignalUtilitiesKit import SessionUtilitiesKit import SessionMessagingKit /// This is _NOT_ a singleton and will be instantiated each time that the SAE is used. final class ShareAppExtensionContext: AppContext { private let dependencies: Dependencies var rootViewController: UIViewController var reportedApplicationState: UIApplication.State let appLaunchTime: Date = Date() let isShareExtension: Bool = true var frontMostViewController: UIViewController? { rootViewController.findFrontMostViewController(ignoringAlerts: true) } var mainWindow: UIWindow? var wasWokenUpByPushNotification: Bool = false var statusBarHeight: CGFloat { return 20 } var openSystemSettingsAction: UIAlertAction? static func determineDeviceRTL() -> Bool { // Borrowed from PureLayout's AppExtension compatible RTL support. // App Extensions may not access -[UIApplication sharedApplication]; fall back // to checking the bundle's preferred localization character direction return ( Locale.characterDirection( forLanguage: (Bundle.main.preferredLocalizations.first ?? "") ) == Locale.LanguageDirection.rightToLeft ) } // MARK: - Initialization init(rootViewController: UIViewController, using dependencies: Dependencies) { self.dependencies = dependencies self.rootViewController = rootViewController self.reportedApplicationState = .active NotificationCenter.default.addObserver( self, selector: #selector(extensionHostDidBecomeActive(notification:)), name: .NSExtensionHostDidBecomeActive, object: nil ) NotificationCenter.default.addObserver( self, selector: #selector(extensionHostWillResignActive(notification:)), name: .NSExtensionHostWillResignActive, object: nil ) NotificationCenter.default.addObserver( self, selector: #selector(extensionHostDidEnterBackground(notification:)), name: .NSExtensionHostDidEnterBackground, object: nil ) NotificationCenter.default.addObserver( self, selector: #selector(extensionHostWillEnterForeground(notification:)), name: .NSExtensionHostWillEnterForeground, object: nil ) } deinit { NotificationCenter.default.removeObserver(self) } // MARK: - Notifications @objc private func extensionHostDidBecomeActive(notification: NSNotification) { Log.assertOnMainThread() self.reportedApplicationState = .active NotificationCenter.default.post( name: .sessionDidBecomeActive, object: nil ) } @objc private func extensionHostWillResignActive(notification: NSNotification) { Log.assertOnMainThread() self.reportedApplicationState = .inactive NotificationCenter.default.post( name: .sessionWillResignActive, object: nil ) } @objc private func extensionHostDidEnterBackground(notification: NSNotification) { Log.assertOnMainThread() self.reportedApplicationState = .background NotificationCenter.default.post( name: .sessionDidEnterBackground, object: nil ) } @objc private func extensionHostWillEnterForeground(notification: NSNotification) { Log.assertOnMainThread() self.reportedApplicationState = .inactive NotificationCenter.default.post( name: .sessionWillEnterForeground, object: nil ) } }