Merge pull request #4 from samzong/feat/macos-media-control

✨ feat: Support macos media control play/pause music (close #3)

AppDelegate.swift

@@ -6,7 +6,9 @@
 //
 
 import Cocoa
+import MediaPlayer
 import SwiftUI
+import AVFoundation
 
 class AppDelegate: NSObject, NSApplicationDelegate {
     var statusItem: NSStatusItem?
@@ -26,6 +28,7 @@ class AppDelegate: NSObject, NSApplicationDelegate {
         }
 
         setupMenu()
+        setupRemoteCommandCenter()
     }
 
     func setupMenu() {
@@ -51,7 +54,7 @@ class AppDelegate: NSObject, NSApplicationDelegate {
         menu.addItem(NSMenuItem.separator())
 
         // Reconfigure folder
-        menu.addItem(NSMenuItem(title: "Sources", action: #selector(reconfigureFolder), keyEquivalent: ""))
+        menu.addItem(NSMenuItem(title: "Sources", action: #selector(reconfigureFolder), keyEquivalent: "s"))
 
         menu.addItem(NSMenuItem.separator())
 
@@ -63,6 +66,30 @@ class AppDelegate: NSObject, NSApplicationDelegate {
         NotificationCenter.default.addObserver(self, selector: #selector(updateMenuItems), name: NSNotification.Name("PlaybackStateChanged"), object: nil)
     }
 
+    func setupRemoteCommandCenter() {
+        let commandCenter = MPRemoteCommandCenter.shared()
+
+        commandCenter.playCommand.addTarget { [weak self] _ in
+            self?.playerManager.play()
+            return .success
+        }
+
+        commandCenter.pauseCommand.addTarget { [weak self] _ in
+            self?.playerManager.pause()
+            return .success
+        }
+
+        commandCenter.nextTrackCommand.addTarget { [weak self] _ in
+            self?.playerManager.playNext()
+            return .success
+        }
+
+        commandCenter.previousTrackCommand.addTarget { [weak self] _ in
+            self?.playerManager.playPrevious()
+            return .success
+        }
+    }
+
     @objc func toggleMenu() {
         updateMenuItems()
         statusItem?.menu = menu

MacMusicPlayer.xcodeproj/project.pbxproj

@@ -25,9 +25,22 @@
 		991C445C2C9AB7FA00F2BB76 /* AppDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppDelegate.swift; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
+/* Begin PBXFileSystemSynchronizedBuildFileExceptionSet section */
+		999217BB2C9D42B2008F5CC3 /* Exceptions for "MacMusicPlayer" folder in "MacMusicPlayer" target */ = {
+			isa = PBXFileSystemSynchronizedBuildFileExceptionSet;
+			membershipExceptions = (
+				Info.plist,
+			);
+			target = 991C44362C9A9C6E00F2BB76 /* MacMusicPlayer */;
+		};
+/* End PBXFileSystemSynchronizedBuildFileExceptionSet section */
+
 /* Begin PBXFileSystemSynchronizedRootGroup section */
 		991C44392C9A9C6E00F2BB76 /* MacMusicPlayer */ = {
 			isa = PBXFileSystemSynchronizedRootGroup;
+			exceptions = (
+				999217BB2C9D42B2008F5CC3 /* Exceptions for "MacMusicPlayer" folder in "MacMusicPlayer" target */,
+			);
 			path = MacMusicPlayer;
 			sourceTree = "<group>";
 		};

MacMusicPlayer.xcodeproj/xcuserdata/samzonglu.xcuserdatad/xcdebugger/Breakpoints_v2.xcbkptlist

@@ -3,4 +3,22 @@
    uuid = "C5D46313-4BC6-4EEB-9A79-353627BEAB5B"
    type = "1"
    version = "2.0">
+   <Breakpoints>
+      <BreakpointProxy
+         BreakpointExtensionID = "Xcode.Breakpoint.FileBreakpoint">
+         <BreakpointContent
+            uuid = "1DF877E0-F1F2-48BD-B6DC-9AEC47DEB856"
+            shouldBeEnabled = "No"
+            ignoreCount = "0"
+            continueAfterRunningActions = "No"
+            filePath = "AppDelegate.swift"
+            startingColumnNumber = "9223372036854775807"
+            endingColumnNumber = "9223372036854775807"
+            startingLineNumber = "41"
+            endingLineNumber = "41"
+            landmarkName = "setupMenu()"
+            landmarkType = "7">
+         </BreakpointContent>
+      </BreakpointProxy>
+   </Breakpoints>
 </Bucket>

MacMusicPlayer/Info.plist

@@ -17,5 +17,9 @@
 	<array>
 		<dict/>
 	</array>
+    <key>UIBackgroundModes</key>
+    <array>
+        <string>audio</string>
+    </array>
 </dict>
 </plist>

Managers/PlayerManager.swift

@@ -8,6 +8,7 @@
 import Foundation
 import AVFoundation
 import SwiftUI
+import MediaPlayer
 
 class PlayerManager: NSObject, ObservableObject, AVAudioPlayerDelegate {
     @Published var playlist: [Track] = []
@@ -23,20 +24,23 @@ class PlayerManager: NSObject, ObservableObject, AVAudioPlayerDelegate {
     }
     private var player: AVAudioPlayer?
     private var currentIndex = 0
-
+    var audioEngine: AVAudioEngine!
+    var playerNode: AVAudioPlayerNode!
+
     override init() {
         super.init()
+        setupAudioEngine()
         loadSavedMusicFolder()
     }
-    
+
     private func loadSavedMusicFolder() {
         if let savedPath = UserDefaults.standard.string(forKey: "MusicFolderPath") {
             loadTracksFromMusicFolder(URL(fileURLWithPath: savedPath))
         } else {
             requestMusicFolderAccess()
         }
     }
-    
+
     func requestMusicFolderAccess() {
         DispatchQueue.main.async {
             let openPanel = NSOpenPanel()
@@ -53,7 +57,38 @@ class PlayerManager: NSObject, ObservableObject, AVAudioPlayerDelegate {
             }
         }
     }
-
+
+    func setupAudioEngine() {
+        audioEngine = AVAudioEngine()
+        playerNode = AVAudioPlayerNode()
+        audioEngine.attach(playerNode)
+        let mainMixer = audioEngine.mainMixerNode
+        audioEngine.connect(playerNode, to: mainMixer, format: nil)
+
+        do {
+            try audioEngine.start()
+        } catch {
+            print("Failed to start audio engine: \(error)")
+        }
+    }
+
+    func updateNowPlayingInfo() {
+        var nowPlayingInfo = [String: Any]()
+
+        if let currentTrack = currentTrack {
+            nowPlayingInfo[MPMediaItemPropertyTitle] = currentTrack.title
+            nowPlayingInfo[MPMediaItemPropertyArtist] = currentTrack.artist
+
+            if let player = player {
+                nowPlayingInfo[MPMediaItemPropertyPlaybackDuration] = player.duration
+                nowPlayingInfo[MPNowPlayingInfoPropertyElapsedPlaybackTime] = player.currentTime
+                nowPlayingInfo[MPNowPlayingInfoPropertyPlaybackRate] = player.isPlaying ? 1.0 : 0.0
+            }
+        }
+
+        MPNowPlayingInfoCenter.default().nowPlayingInfo = nowPlayingInfo
+    }
+
     private func loadTracksFromMusicFolder(_ folderURL: URL) {
         do {
             let fileURLs = try FileManager.default.contentsOfDirectory(at: folderURL, includingPropertiesForKeys: nil, options: [.skipsHiddenFiles])
@@ -77,7 +112,7 @@ class PlayerManager: NSObject, ObservableObject, AVAudioPlayerDelegate {
             print("Error accessing Music folder: \(error)")
         }
     }
-    
+
     func play() {
         guard let track = currentTrack else {
             print("No current track to play")
@@ -93,28 +128,36 @@ class PlayerManager: NSObject, ObservableObject, AVAudioPlayerDelegate {
         } catch {
             print("Could not create player for \(track.title): \(error)")
         }
+
+        updateNowPlayingInfo()
     }
-    
+
     func pause() {
         player?.pause()
         isPlaying = false
         print("Paused playback")
+
+        updateNowPlayingInfo()
     }
-    
+
     func playNext() {
         guard !playlist.isEmpty else { return }
         currentIndex = (currentIndex + 1) % playlist.count
         currentTrack = playlist[currentIndex]
         play()
+
+        updateNowPlayingInfo()
     }
-    
+
     func playPrevious() {
         guard !playlist.isEmpty else { return }
         currentIndex = (currentIndex - 1 + playlist.count) % playlist.count
         currentTrack = playlist[currentIndex]
         play()
+
+        updateNowPlayingInfo()
     }
-    
+
     // AVAudioPlayerDelegate 方法
     func audioPlayerDidFinishPlaying(_ player: AVAudioPlayer, successfully flag: Bool) {
         if flag {