iOS/Sources/Extensions/NotificationContent/VideoAudioAttachmentViewCon...

113 lines
3.8 KiB
Swift

import MobileCoreServices
import PromiseKit
import Shared
import UIKit
import UserNotifications
import UserNotificationsUI
class PlayerAttachmentViewController: UIViewController, NotificationCategory {
enum PlayerAttachmentError: Error {
case noAttachment
}
let api: HomeAssistantAPI
let attachmentURL: URL
let needsEndSecurityScoped: Bool
required init(api: HomeAssistantAPI, notification: UNNotification, attachmentURL: URL?) throws {
guard let attachmentURL else {
throw PlayerAttachmentError.noAttachment
}
self.needsEndSecurityScoped = attachmentURL.startAccessingSecurityScopedResource()
if Current.isCatalyst,
attachmentURL.isFileURL,
!FileManager.default.isReadableFile(atPath: attachmentURL.path) {
// if it's a file URL, on macOS we may not have access to the attachment on disk, so make sure
// FB9638431
throw PlayerAttachmentError.noAttachment
}
self.api = api
self.attachmentURL = attachmentURL
super.init(nibName: nil, bundle: nil)
}
@available(*, unavailable)
required init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
deinit {
if needsEndSecurityScoped {
videoViewController?.url.stopAccessingSecurityScopedResource()
}
}
var videoViewController: CameraStreamHLSViewController? {
willSet {
videoViewController?.url.stopAccessingSecurityScopedResource()
videoViewController?.willMove(toParent: nil)
newValue.flatMap { addChild($0) }
}
didSet {
oldValue?.view.removeFromSuperview()
oldValue?.removeFromParent()
if let videoViewController {
view.addSubview(videoViewController.view)
videoViewController.view.translatesAutoresizingMaskIntoConstraints = false
NSLayoutConstraint.activate([
videoViewController.view.topAnchor.constraint(equalTo: view.topAnchor),
videoViewController.view.leadingAnchor.constraint(equalTo: view.leadingAnchor),
videoViewController.view.trailingAnchor.constraint(equalTo: view.trailingAnchor),
videoViewController.view.bottomAnchor.constraint(equalTo: view.bottomAnchor),
])
videoViewController.didMove(toParent: self)
}
}
}
func start() -> Promise<Void> {
let controller = with(CameraStreamHLSViewController(api: api, url: attachmentURL)) {
var lastState: CameraStreamHandlerState?
$0.didUpdateState = { [extensionContext] state in
guard lastState != state else {
return
}
switch state {
case .playing:
// if this happens too fast (which happens for local files) the extension context ignores it
// so trigger a short delay as well
extensionContext?.mediaPlayingStarted()
DispatchQueue.main.asyncAfter(deadline: .now() + .milliseconds(500)) {
if lastState == .playing {
extensionContext?.mediaPlayingStarted()
}
}
case .paused:
extensionContext?.mediaPlayingPaused()
}
lastState = state
}
}
videoViewController = controller
return controller.promise
}
var mediaPlayPauseButtonType: UNNotificationContentExtensionMediaPlayPauseButtonType { .overlay }
var mediaPlayPauseButtonFrame: CGRect? { nil }
func mediaPlay() {
videoViewController?.play()
}
func mediaPause() {
videoViewController?.pause()
}
}