Media playing

System/AppDelegate.swift

@@ -1,5 +1,6 @@
 // Copyright © 2020 Metabolist. All rights reserved.
 
+import AVKit
 import Combine
 import UIKit
 
@@ -27,6 +28,8 @@ extension AppDelegate: UIApplicationDelegate {
         didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]? = nil) -> Bool {
         self.application = application
 
+        try? AVAudioSession.sharedInstance().setCategory(.ambient, mode: .default)
+
         return true
     }
 

View Controllers/TableViewController.swift

@@ -1,5 +1,6 @@
 // Copyright © 2020 Metabolist. All rights reserved.
 
+import AVKit
 import Combine
 import SafariServices
 import SwiftUI
@@ -170,6 +171,16 @@ extension TableViewController {
     }
 }
 
+extension TableViewController: AVPlayerViewControllerDelegate {
+    func playerViewController(
+        _ playerViewController: AVPlayerViewController,
+        willEndFullScreenPresentationWithAnimationCoordinator coordinator: UIViewControllerTransitionCoordinator) {
+        try? AVAudioSession.sharedInstance().setCategory(.ambient, mode: .default)
+        playerViewController.player?.isMuted = true
+        updateAutoplayViews()
+    }
+}
+
 private extension TableViewController {
     static let autoplayViews = [PlayerView](repeating: .init(), count: 4)
     static var visibleVideoURLs = Set<URL>()
@@ -250,7 +261,7 @@ private extension TableViewController {
             break
         case let .share(url):
             share(url: url)
-        case let.navigation(navigation):
+        case let .navigation(navigation):
             switch navigation {
             case let .collection(collectionService):
                 show(TableViewController(
@@ -273,6 +284,35 @@ private extension TableViewController {
             case .webfingerEnd:
                 webfingerIndicatorView.stopAnimating()
             }
+        case let .attachment(attachmentViewModel, statusViewModel):
+            present(attachmentViewModel: attachmentViewModel, statusViewModel: statusViewModel)
+        }
+    }
+
+    func present(attachmentViewModel: AttachmentViewModel, statusViewModel: StatusViewModel) {
+        switch attachmentViewModel.attachment.type {
+        case .audio, .video:
+            let playerViewController = AVPlayerViewController()
+            let player: AVPlayer
+
+            if attachmentViewModel.attachment.type == .video {
+                player = PlayerCache.shared.player(url: attachmentViewModel.attachment.url)
+            } else {
+                player = AVPlayer(url: attachmentViewModel.attachment.url)
+            }
+
+            playerViewController.delegate = self
+            playerViewController.player = player
+
+            present(playerViewController, animated: true) {
+                try? AVAudioSession.sharedInstance().setCategory(.playback, mode: .default)
+                player.isMuted = false
+                player.play()
+            }
+        case .image, .gifv:
+            break
+        case .unknown:
+            break
         }
     }
 

ViewModels/Sources/ViewModels/Entities/CollectionItemEvent.swift

@@ -6,5 +6,6 @@ import ServiceLayer
 public enum CollectionItemEvent {
     case ignorableOutput
     case navigation(Navigation)
+    case attachment(AttachmentViewModel, StatusViewModel)
     case share(URL)
 }

ViewModels/Sources/ViewModels/StatusViewModel.swift

@@ -127,28 +127,28 @@ public extension StatusViewModel {
     func toggleShowContent() {
         eventsSubject.send(
             statusService.toggleShowContent()
-                .map { _ in CollectionItemEvent.ignorableOutput }
+                .map { _ in .ignorableOutput }
                 .eraseToAnyPublisher())
     }
 
     func toggleShowAttachments() {
         eventsSubject.send(
             statusService.toggleShowAttachments()
-                .map { _ in CollectionItemEvent.ignorableOutput }
+                .map { _ in .ignorableOutput }
                 .eraseToAnyPublisher())
     }
 
     func urlSelected(_ url: URL) {
         eventsSubject.send(
             statusService.navigationService.item(url: url)
-                .map { CollectionItemEvent.navigation($0) }
+                .map { .navigation($0) }
                 .setFailureType(to: Error.self)
                 .eraseToAnyPublisher())
     }
 
     func accountSelected() {
         eventsSubject.send(
-            Just(CollectionItemEvent.navigation(
+            Just(.navigation(
                     .profile(
                         statusService.navigationService.profileService(
                             account: statusService.status.displayStatus.account))))
@@ -158,14 +158,14 @@ public extension StatusViewModel {
 
     func rebloggedBySelected() {
         eventsSubject.send(
-            Just(CollectionItemEvent.navigation(.collection(statusService.rebloggedByService())))
+            Just(.navigation(.collection(statusService.rebloggedByService())))
                 .setFailureType(to: Error.self)
                 .eraseToAnyPublisher())
     }
 
     func favoritedBySelected() {
         eventsSubject.send(
-            Just(CollectionItemEvent.navigation(.collection(statusService.favoritedByService())))
+            Just(.navigation(.collection(statusService.favoritedByService())))
                 .setFailureType(to: Error.self)
                 .eraseToAnyPublisher())
     }
@@ -173,14 +173,18 @@ public extension StatusViewModel {
     func toggleFavorited() {
         eventsSubject.send(
             statusService.toggleFavorited()
-                .map { _ in CollectionItemEvent.ignorableOutput }
+                .map { _ in .ignorableOutput }
                 .eraseToAnyPublisher())
     }
 
+    func attachmentSelected(viewModel: AttachmentViewModel) {
+        eventsSubject.send(Just(.attachment(viewModel, self)).setFailureType(to: Error.self).eraseToAnyPublisher())
+    }
+
     func shareStatus() {
         guard let url = statusService.status.displayStatus.url else { return }
 
-        eventsSubject.send(Just(CollectionItemEvent.share(url)).setFailureType(to: Error.self).eraseToAnyPublisher())
+        eventsSubject.send(Just(.share(url)).setFailureType(to: Error.self).eraseToAnyPublisher())
     }
 }
 

Views/Status/StatusAttachmentView.swift

@@ -109,6 +109,10 @@ private extension StatusAttachmentView {
         switch viewModel.attachment.type {
         case .image, .video, .gifv:
             imageView.kf.setImage(with: viewModel.attachment.previewUrl)
+        case .audio:
+            playImageView.image = UIImage(systemName: "waveform.circle",
+                                          withConfiguration: UIImage.SymbolConfiguration(textStyle: .largeTitle))
+            backgroundColor = .secondarySystemBackground
         default:
             break
         }

Views/Status/StatusAttachmentsView.swift

@@ -30,8 +30,12 @@ final class StatusAttachmentsView: UIView {
 
             rightStackView.isHidden = attachmentCount == 1
 
-            for (index, viewModel) in attachmentViewModels.enumerated() {
+            for (index, attachmentViewModel) in attachmentViewModels.enumerated() {
-                let attachmentView = StatusAttachmentView(viewModel: viewModel)
+                let attachmentView = StatusAttachmentView(viewModel: attachmentViewModel)
+
+                attachmentView.button.addAction(
+                    UIAction { [weak self] _ in self?.viewModel?.attachmentSelected(viewModel: attachmentViewModel) },
+                    for: .touchUpInside)
 
                 if attachmentCount == 2 && index == 1
                     || attachmentCount == 3 && index != 0