diff --git a/AltStore.xcodeproj/project.pbxproj b/AltStore.xcodeproj/project.pbxproj index 8298b064..fb855904 100644 --- a/AltStore.xcodeproj/project.pbxproj +++ b/AltStore.xcodeproj/project.pbxproj @@ -94,6 +94,8 @@ BF770E5422BC044E002A40FE /* AppOperationContext.swift in Sources */ = {isa = PBXBuildFile; fileRef = BF770E5322BC044E002A40FE /* AppOperationContext.swift */; }; BF770E5622BC3C03002A40FE /* Server.swift in Sources */ = {isa = PBXBuildFile; fileRef = BF770E5522BC3C02002A40FE /* Server.swift */; }; BF770E5822BC3D0F002A40FE /* OperationGroup.swift in Sources */ = {isa = PBXBuildFile; fileRef = BF770E5722BC3D0F002A40FE /* OperationGroup.swift */; }; + BF770E6722BD57C4002A40FE /* BackgroundTaskManager.swift in Sources */ = {isa = PBXBuildFile; fileRef = BF770E6622BD57C3002A40FE /* BackgroundTaskManager.swift */; }; + BF770E6922BD57DD002A40FE /* Silence.m4a in Resources */ = {isa = PBXBuildFile; fileRef = BF770E6822BD57DD002A40FE /* Silence.m4a */; }; BF7B9EF322B82B1F0042C873 /* FetchAppsOperation.swift in Sources */ = {isa = PBXBuildFile; fileRef = BF7B9EF222B82B1F0042C873 /* FetchAppsOperation.swift */; }; BF9B63C6229DD44E002F0A62 /* AltSign.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = BF9B63C5229DD44D002F0A62 /* AltSign.framework */; }; BFB11692229322E400BB457C /* DatabaseManager.swift in Sources */ = {isa = PBXBuildFile; fileRef = BFB11691229322E400BB457C /* DatabaseManager.swift */; }; @@ -319,6 +321,8 @@ BF770E5322BC044E002A40FE /* AppOperationContext.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppOperationContext.swift; sourceTree = ""; }; BF770E5522BC3C02002A40FE /* Server.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Server.swift; sourceTree = ""; }; BF770E5722BC3D0F002A40FE /* OperationGroup.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = OperationGroup.swift; sourceTree = ""; }; + BF770E6622BD57C3002A40FE /* BackgroundTaskManager.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = BackgroundTaskManager.swift; sourceTree = ""; }; + BF770E6822BD57DD002A40FE /* Silence.m4a */ = {isa = PBXFileReference; lastKnownFileType = file; path = Silence.m4a; sourceTree = ""; }; BF7B9EF222B82B1F0042C873 /* FetchAppsOperation.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = FetchAppsOperation.swift; sourceTree = ""; }; BF9B63C5229DD44D002F0A62 /* AltSign.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; path = AltSign.framework; sourceTree = BUILT_PRODUCTS_DIR; }; BFB11691229322E400BB457C /* DatabaseManager.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DatabaseManager.swift; sourceTree = ""; }; @@ -742,6 +746,7 @@ BFD2478B2284C4C300981D42 /* AppIconImageView.swift */, BFD2478E2284C8F900981D42 /* Button.swift */, BF43002D22A714AF0051E2BC /* Keychain.swift */, + BF770E6622BD57C3002A40FE /* BackgroundTaskManager.swift */, ); path = Components; sourceTree = ""; @@ -751,6 +756,7 @@ children = ( BFB1169C22932DB100BB457C /* Apps.json */, BFD247762284B9A700981D42 /* Assets.xcassets */, + BF770E6822BD57DD002A40FE /* Silence.m4a */, ); path = Resources; sourceTree = ""; @@ -1040,6 +1046,7 @@ files = ( BFB1169D22932DB100BB457C /* Apps.json in Resources */, BFD2477A2284B9A700981D42 /* LaunchScreen.storyboard in Resources */, + BF770E6922BD57DD002A40FE /* Silence.m4a in Resources */, BFD247772284B9A700981D42 /* Assets.xcassets in Resources */, BFD247752284B9A500981D42 /* Main.storyboard in Resources */, BFE6325A22A83BEB00F30809 /* Authentication.storyboard in Resources */, @@ -1205,6 +1212,7 @@ BFD247702284B9A500981D42 /* AppsViewController.swift in Sources */, BFDB6A0B22AAEDB7007EA6D6 /* Operation.swift in Sources */, BFB116A022933DEB00BB457C /* UpdatesViewController.swift in Sources */, + BF770E6722BD57C4002A40FE /* BackgroundTaskManager.swift in Sources */, BFBBE2DD22931B20002097FA /* AltStore.xcdatamodeld in Sources */, BFE6325C22A83C0100F30809 /* AuthenticationViewController.swift in Sources */, BFB1169B2293274D00BB457C /* JSONDecoder+ManagedObjectContext.swift in Sources */, diff --git a/AltStore/AppDelegate.swift b/AltStore/AppDelegate.swift index fdaa427e..923abbf0 100644 --- a/AltStore/AppDelegate.swift +++ b/AltStore/AppDelegate.swift @@ -91,81 +91,90 @@ extension AppDelegate } } - // Wait a few seconds so we have a chance to discover nearby AltServers. - DispatchQueue.main.asyncAfter(deadline: .now() + 3.0) { - - func finish(_ result: Result<[String: Result], Error>) + BackgroundTaskManager.shared.performExtendedBackgroundTask { (taskResult, taskCompletionHandler) in + if let error = taskResult.error { - ServerManager.shared.stopDiscovering() + print("Error starting extended background task.", error) + } + + // Wait a few seconds so we have a chance to discover nearby AltServers. + DispatchQueue.main.asyncAfter(deadline: .now() + 3.0) { - let content = UNMutableNotificationContent() - var shouldPresentAlert = true - - do + func finish(_ result: Result<[String: Result], Error>) { - let results = try result.get() - shouldPresentAlert = !results.isEmpty + ServerManager.shared.stopDiscovering() - for (_, result) in results + let content = UNMutableNotificationContent() + var shouldPresentAlert = true + + do { - guard case let .failure(error) = result else { continue } - throw error + let results = try result.get() + shouldPresentAlert = !results.isEmpty + + for (_, result) in results + { + guard case let .failure(error) = result else { continue } + throw error + } + + content.title = NSLocalizedString("Refreshed all apps!", comment: "") + } + catch + { + print("Failed to refresh apps in background.", error) + + content.title = NSLocalizedString("Failed to Refresh Apps", comment: "") + content.body = error.localizedDescription + + shouldPresentAlert = true } - content.title = NSLocalizedString("Refreshed all apps!", comment: "") - } - catch - { - print("Failed to refresh apps in background.", error) - - content.title = NSLocalizedString("Failed to Refresh Apps", comment: "") - content.body = error.localizedDescription - - shouldPresentAlert = true - } - - if shouldPresentAlert - { - let trigger = UNTimeIntervalNotificationTrigger(timeInterval: 0.01, repeats: false) - - let request = UNNotificationRequest(identifier: UUID().uuidString, content: content, trigger: trigger) - UNUserNotificationCenter.current().add(request) { (error) in - if let error = error { - print(error) + if shouldPresentAlert + { + let trigger = UNTimeIntervalNotificationTrigger(timeInterval: 0.01, repeats: false) + + let request = UNNotificationRequest(identifier: UUID().uuidString, content: content, trigger: trigger) + UNUserNotificationCenter.current().add(request) { (error) in + if let error = error { + print(error) + } } } - } - - switch result - { - case .failure(ConnectionError.serverNotFound): completionHandler(.newData) - case .failure: completionHandler(.failed) - case .success: completionHandler(.newData) - } - } - - let group = AppManager.shared.refresh(installedApps, presentingViewController: nil) - group.beginInstallationHandler = { (installedApp) in - guard installedApp.app.identifier == App.altstoreAppID else { return } - - // We're starting to install AltStore, which means the app is about to quit. - // So, we say we were successful even though we technically don't know 100% yet. - // Also since AltServer has already received the app, it can finish installing even if we're no longer running in background. - - if let error = group.error - { - finish(.failure(error)) - } - else - { - var results = group.results - results[installedApp.app.identifier] = .success(installedApp) - finish(.success(results)) + switch result + { + case .failure(ConnectionError.serverNotFound): completionHandler(.newData) + case .failure: completionHandler(.failed) + case .success: completionHandler(.newData) + } + + taskCompletionHandler() + } + + let group = AppManager.shared.refresh(installedApps, presentingViewController: nil) + group.beginInstallationHandler = { (installedApp) in + guard installedApp.app.identifier == App.altstoreAppID else { return } + + // We're starting to install AltStore, which means the app is about to quit. + // So, we say we were successful even though we technically don't know 100% yet. + // Also since AltServer has already received the app, it can finish installing even if we're no longer running in background. + + if let error = group.error + { + finish(.failure(error)) + } + else + { + var results = group.results + results[installedApp.app.identifier] = .success(installedApp) + + finish(.success(results)) + } + } + group.completionHandler = { (result) in + finish(result) } - } - group.completionHandler = { (result) in - finish(result) } } } diff --git a/AltStore/Components/BackgroundTaskManager.swift b/AltStore/Components/BackgroundTaskManager.swift new file mode 100644 index 00000000..a275d598 --- /dev/null +++ b/AltStore/Components/BackgroundTaskManager.swift @@ -0,0 +1,102 @@ +// +// BackgroundTaskManager.swift +// AltStore +// +// Created by Riley Testut on 6/19/19. +// Copyright © 2019 Riley Testut. All rights reserved. +// + +import AVFoundation + +class BackgroundTaskManager +{ + static let shared = BackgroundTaskManager() + + private var isPlaying = false + + private let audioEngine: AVAudioEngine + private let player: AVAudioPlayerNode + private let audioFile: AVAudioFile + + private let audioEngineQueue: DispatchQueue + + private init() + { + self.audioEngine = AVAudioEngine() + self.audioEngine.mainMixerNode.outputVolume = 0.0 + + self.player = AVAudioPlayerNode() + self.audioEngine.attach(self.player) + + do + { + let audioFileURL = Bundle.main.url(forResource: "Silence", withExtension: "m4a")! + + self.audioFile = try AVAudioFile(forReading: audioFileURL) + self.audioEngine.connect(self.player, to: self.audioEngine.mainMixerNode, format: self.audioFile.processingFormat) + } + catch + { + fatalError("Error. \(error)") + } + + self.audioEngineQueue = DispatchQueue(label: "com.altstore.BackgroundTaskManager") + } +} + +extension BackgroundTaskManager +{ + func performExtendedBackgroundTask(taskHandler: @escaping ((Result, @escaping () -> Void) -> Void)) + { + func finish() + { + self.player.stop() + self.audioEngine.stop() + + self.isPlaying = false + } + + self.audioEngineQueue.async { + do + { + try AVAudioSession.sharedInstance().setCategory(.playback, options: .mixWithOthers) + try AVAudioSession.sharedInstance().setActive(true) + + // Schedule audio file buffers. + self.scheduleAudioFile() + self.scheduleAudioFile() + + let outputFormat = self.audioEngine.outputNode.outputFormat(forBus: 0) + self.audioEngine.connect(self.audioEngine.mainMixerNode, to: self.audioEngine.outputNode, format: outputFormat) + + try self.audioEngine.start() + self.player.play() + + self.isPlaying = true + + taskHandler(.success(())) { + finish() + } + } + catch + { + taskHandler(.failure(error)) { + finish() + } + } + } + } +} + +private extension BackgroundTaskManager +{ + func scheduleAudioFile() + { + self.player.scheduleFile(self.audioFile, at: nil) { + self.audioEngineQueue.async { + guard self.isPlaying else { return } + self.scheduleAudioFile() + } + } + } +} diff --git a/AltStore/Info.plist b/AltStore/Info.plist index 237c4e22..6db2ac23 100644 --- a/AltStore/Info.plist +++ b/AltStore/Info.plist @@ -43,6 +43,7 @@ UIBackgroundModes + audio fetch UILaunchStoryboardName diff --git a/AltStore/Resources/Silence.m4a b/AltStore/Resources/Silence.m4a new file mode 100644 index 00000000..5e50f1a6 Binary files /dev/null and b/AltStore/Resources/Silence.m4a differ