Stub the parts of PyObjC I'm using (whee)

stubs/AppKit/__init__.pyi

@@ -0,0 +1,33 @@
+from typing import Final, Literal
+
+from Foundation import CGSize
+
+# There are many other operations available but we only actually use copy, so we don't need all of them here.
+NSCompositingOperationClear: Final = 0
+NSCompositingOperationCopy: Final = 1
+NSCompositingOperation = Literal[0, 1]
+
+class NSRect:
+    pass
+
+def NSMakeRect(x: float, y: float, w: float, h: float) -> NSRect: ...
+
+class NSImage:
+    @staticmethod
+    def alloc() -> type[NSImage]: ...
+
+    @staticmethod
+    def initByReferencingFile_(file: str) -> NSImage: ...
+
+    @staticmethod
+    def initWithData_(data: bytes) -> NSImage: ...
+
+    @staticmethod
+    def initWithSize_(size: CGSize) -> NSImage: ...
+
+    def size(self) -> CGSize: ...
+
+    def lockFocus(self) -> None: ...
+    def unlockFocus(self) -> None: ...
+
+    def drawInRect_fromRect_operation_fraction_(self, inRect: NSRect, fromRect: NSRect, operation: NSCompositingOperation, fraction: float) -> None: ...

stubs/Foundation/__init__.pyi

@@ -0,0 +1,9 @@
+from typing import Type
+
+class CGSize:
+    width: float
+    height: float
+
+class NSMutableDictionary(dict[str, object]):
+    @classmethod
+    def dictionary(cls: Type[NSMutableDictionary]) -> NSMutableDictionary: ...

stubs/MediaPlayer/__init__.pyi

@@ -0,0 +1,64 @@
+from collections.abc import Callable
+from typing import Final, Literal
+
+from AppKit import NSImage
+from Foundation import CGSize, NSMutableDictionary
+
+MPMusicPlaybackStateStopped: Final = 0
+MPMusicPlaybackStatePlaying: Final = 1
+MPMusicPlaybackStatePaused: Final = 2
+MPMusicPlaybackState = Literal[0, 1, 2]
+
+MPMediaItemPropertyAlbumTitle: Final = 'albumTitle'
+MPMediaItemPropertyArtist: Final = 'artist'
+MPMediaItemPropertyArtwork: Final = 'artwork'
+MPMediaItemPropertyPlaybackDuration: Final = 'playbackDuration'
+MPMediaItemPropertyTitle: Final = 'title'
+
+MPNowPlayingInfoPropertyMediaType: Final = 'MPNowPlayingInfoPropertyMediaType'
+MPNowPlayingInfoMediaTypeAudio: Final = 1
+MPNowPlayingInfoMediaTypeNone: Final = 0
+
+MPNowPlayingInfoPropertyElapsedPlaybackTime: Final = 'MPNowPlayingInfoPropertyElapsedPlaybackTime'
+
+class MPMediaItemArtwork:
+    @staticmethod
+    def alloc() -> type[MPMediaItemArtwork]: ...
+    @staticmethod
+    def initWithBoundsSize_requestHandler_(size: CGSize, handler: Callable[[CGSize], NSImage]) -> MPMediaItemArtwork: ...
+
+class MPNowPlayingInfoCenter:
+    @staticmethod
+    def defaultCenter() -> MPNowPlayingInfoCenter: ...
+
+    def setNowPlayingInfo_(self, info: NSMutableDictionary) -> None: ...
+    def setPlaybackState_(self, state: MPMusicPlaybackState) -> None: ...
+
+MPRemoteCommandHandlerStatusSuccess: Literal[0] = 0
+MPRemoteCommandHandlerStatusCommandFailed: Literal[200] = 200
+MPRemoteCommandHandlerStatus = Literal[0, 200]
+
+class MPRemoteCommandEvent:
+    pass
+
+class MPRemoteCommand:
+    def setEnabled_(self, enabled: bool) -> None: ...
+    def removeTarget_(self, target: object) -> None: ...
+    def addTargetWithHandler_(self, handler: Callable[[MPRemoteCommandEvent], MPRemoteCommandHandlerStatus]) -> None: ...
+
+class MPRemoteCommandCenter:
+    @staticmethod
+    def sharedCommandCenter() -> MPRemoteCommandCenter: ...
+
+    def togglePlayPauseCommand(self) -> MPRemoteCommand: ...
+    def playCommand(self) -> MPRemoteCommand: ...
+    def pauseCommand(self) -> MPRemoteCommand: ...
+    def stopCommand(self) -> MPRemoteCommand: ...
+    def nextTrackCommand(self) -> MPRemoteCommand: ...
+    def previousTrackCommand(self) -> MPRemoteCommand: ...
+    def changePlaybackRateCommand(self) -> MPRemoteCommand: ...
+    def seekBackwardCommand(self) -> MPRemoteCommand: ...
+    def skipBackwardCommand(self) -> MPRemoteCommand: ...
+    def seekForwardCommand(self) -> MPRemoteCommand: ...
+    def skipForwardCommand(self) -> MPRemoteCommand: ...
+    def changePlaybackPositionCommand(self) -> MPRemoteCommand: ...