Set playing info in media centre, fix bug with ImageCache

apple/InfoPlists/Omnivore.plist

@@ -62,6 +62,7 @@
 	<string>Images from your photo library can be chosen by you to send as feedback.</string>
 	<key>UIBackgroundModes</key>
 	<array>
+		<string>audio</string>
 		<string>fetch</string>
 	</array>
 	<key>UILaunchStoryboardName</key>

apple/OmnivoreKit/Sources/Services/AudioSession/AudioSession.swift

@@ -7,6 +7,7 @@
 
 import AVFoundation
 import Foundation
+import MediaPlayer
 
 import Models
 import Utils
@@ -57,10 +58,12 @@ public class AudioSession: ObservableObject {
       self.audioUrl = Bundle.main.url(forResource: "speech-sample", withExtension: "mp3")!
       if let url = self.audioUrl {
         do {
+          try? AVAudioSession.sharedInstance().setCategory(.playback)
           self.player = try AVAudioPlayer(contentsOf: url)
           if self.player?.play() ?? false {
             self.state = .playing
             self.startTimer()
+            self.setupRemoteControl()
           }
         } catch {
           print(error.localizedDescription)
@@ -110,4 +113,41 @@ public class AudioSession: ObservableObject {
       print("play time in ms: ", Int(player.currentTime * 1000))
     }
   }
+
+  func setupRemoteControl() {
+    UIApplication.shared.beginReceivingRemoteControlEvents()
+
+    MPNowPlayingInfoCenter.default().nowPlayingInfo = [
+      //  MPMediaItemArtwork: ""m
+      MPMediaItemPropertyArtist: item?.author ?? "Omnivore",
+      MPMediaItemPropertyTitle: item?.title ?? "Your Omnivore Article"
+    ]
+
+    if let imageURL = item?.imageURL, let cachedImage = ImageCache.shared[imageURL] {
+//      #if os(iOS)
+//        status = .loaded(image: Image(uiImage: cachedImage))
+//      #else
+//        status = .loaded(image: Image(nsImage: cachedImage))
+//      #endif
+      MPNowPlayingInfoCenter.default().nowPlayingInfo = [
+        MPMediaItemPropertyArtwork: cachedImage,
+        MPMediaItemPropertyArtist: item?.author ?? "Omnivore",
+        MPMediaItemPropertyTitle: item?.title ?? "Your Omnivore Article"
+      ]
+    }
+
+    let commandCenter = MPRemoteCommandCenter.shared()
+
+    commandCenter.playCommand.isEnabled = true
+    commandCenter.playCommand.addTarget { _ -> MPRemoteCommandHandlerStatus in
+      self.unpause()
+      return .success
+    }
+
+    commandCenter.pauseCommand.isEnabled = true
+    commandCenter.pauseCommand.addTarget { _ -> MPRemoteCommandHandlerStatus in
+      self.pause()
+      return .success
+    }
+  }
 }

apple/OmnivoreKit/Sources/Utils/ImageCache.swift

@@ -27,16 +27,18 @@ public final class ImageCache {
   }
 
   private let queue = DispatchQueue(label: "app.omnivore.image.cache.queue", attributes: .concurrent)
-  private let cache = NSCache<AnyObject, PlatformImage>()
+  private let cache = NSCache<NSString, PlatformImage>()
 
   private init() {
-    cache.totalCostLimit = 1024 * 1024 * 50 // 50 MB
+    // cache.totalCostLimit = 1024 * 1024 * 1024 * 50 // 50 MB
+    print("CREATING IMAGE CACHE: ", self)
   }
 
   private func image(_ url: URL) -> PlatformImage? {
     var cachedImage: PlatformImage?
     queue.sync {
-      cachedImage = cache.object(forKey: url as AnyObject)
+      cachedImage = cache.object(forKey: NSString(string: url.absoluteString))
+      print("CACHED IMAGE", cachedImage)
     }
     return cachedImage
   }
@@ -44,7 +46,10 @@ public final class ImageCache {
   private func insertImage(_ image: PlatformImage?, url: URL) {
     guard let image = image else { return }
     queue.async(flags: .barrier) {
-      self.cache.setObject(image, forKey: url as AnyObject, cost: image.diskSize)
+      print("ADDING KEY: ", url, image)
+      self.cache.setObject(image, forKey: NSString(string: url.absoluteString), cost: 1)
+      let cachedImage = self.cache.object(forKey: NSString(string: url.absoluteString))
+      print(" ---- JUST ADDED CACHED IMAGE: ", cachedImage, url)
     }
   }
 }