From: Christian Heller <c.heller@plomlompom.de>
Date: Thu, 28 Nov 2024 15:41:41 +0000 (+0100)
Subject: Allow greater playlist control even if mpv not directly running.
X-Git-Url: https://plomlompom.com/repos/%7B%7B%20web_path%20%7D%7D/decks/%7B%7Bdb.prefix%7D%7D/%7B%7Bprefix%7D%7D/balance?a=commitdiff_plain;p=ytplom

Allow greater playlist control even if mpv not directly running.
---

diff --git a/src/ytplom/misc.py b/src/ytplom/misc.py
index 339c97c..8409aee 100644
--- a/src/ytplom/misc.py
+++ b/src/ytplom/misc.py
@@ -1,7 +1,7 @@
 """Main ytplom lib."""
 
 # included libs
-from typing import TypeAlias, Optional, NewType, Callable, Self, Any
+from typing import Any, NewType, Optional, Self, TypeAlias
 from os import chdir, environ, getcwd, makedirs, scandir, remove as os_remove
 from os.path import (dirname, isdir, isfile, exists as path_exists,
                      join as path_join, normpath, splitext, basename)
@@ -486,16 +486,6 @@ class Player:
         shuffle(self._files)
         self._idx = 0
 
-    @property
-    def _mpv_available(self) -> bool:
-        return bool(self._mpv and not self._mpv.core_shutdown)
-
-    @staticmethod
-    def _if_mpv_available(f) -> Callable:
-        def wrapper(self, *args, **kwargs):
-            return f(self, *args, **kwargs) if self._mpv else None
-        return wrapper
-
     def _signal_update(self) -> None:
         self.last_update = PlayerUpdateId(f'{self._idx}:{time()}')
 
@@ -504,6 +494,8 @@ class Player:
                         input_vo_keyboard=True,
                         config=True)
         self._mpv.observe_property('pause', lambda a, b: self._signal_update())
+        for path in [f.full_path for f in self._files]:
+            self._mpv.command('loadfile', path, 'append')
 
         @self._mpv.event_callback('start-file')
         def on_start_file(_) -> None:
@@ -517,15 +509,12 @@ class Player:
             self._mpv = None
             self._signal_update()
 
-        for path in [f.full_path for f in self._files]:
-            self._mpv.command('loadfile', path, 'append')
         self._mpv.command('playlist-play-index', self._idx)
 
-    @_if_mpv_available
     def _kill_mpv(self) -> None:
-        assert self._mpv is not None
-        self._mpv.terminate()
-        self._mpv = None
+        if self._mpv:
+            self._mpv.terminate()
+            self._mpv = None
 
     @property
     def current_file(self) -> Optional[VideoFile]:
@@ -551,55 +540,48 @@ class Player:
     @property
     def is_running(self) -> bool:
         """Return if player is running/available."""
-        return self._mpv_available
+        return bool(self._mpv)
 
     @property
     def is_paused(self) -> bool:
         """Return if player is paused."""
-        if self._mpv_available:
-            assert self._mpv is not None
+        if self._mpv:
             return self._mpv.pause
         return False
 
     def toggle_run(self) -> None:
         """Toggle player running."""
-        if self._mpv_available:
+        if self._mpv:
             self._kill_mpv()
         else:
             self._start_mpv()
         self._signal_update()
 
-    @_if_mpv_available
     def toggle_pause(self) -> None:
         """Toggle player pausing."""
-        assert self._mpv is not None
-        self._mpv.pause = not self._mpv.pause
-        self._signal_update()
+        if self._mpv:
+            self._mpv.pause = not self._mpv.pause
+            self._signal_update()
 
-    @_if_mpv_available
     def prev(self) -> None:
         """Move player to previous item in playlist."""
-        assert self._mpv is not None
-        if self._mpv.playlist_pos > 0:
-            self._mpv.command('playlist-prev')
-        else:
-            self._mpv.command('playlist-play-index', 0)
+        if self._idx > 0:
+            self._idx -= 1
+        if self._mpv:
+            self._mpv.command('playlist-play-index', self._idx)
 
-    @_if_mpv_available
     def next(self) -> None:
         """Move player to next item in playlist."""
-        assert self._mpv is not None
-        max_idx = len(self._mpv.playlist) - 1
-        if self._mpv.playlist_pos < max_idx:
-            self._mpv.command('playlist-next')
-        else:
-            self._mpv.command('playlist-play-index', max_idx)
+        if self._idx < len(self._files) - 1:
+            self._idx += 1
+        if self._mpv:
+            self._mpv.command('playlist-play-index', self._idx)
 
-    @_if_mpv_available
     def jump_to(self, target_idx: int) -> None:
         """Move player to target_idx position in playlist."""
-        assert self._mpv is not None
-        self._mpv.command('playlist-play_index', target_idx)
+        self._idx = target_idx
+        if self._mpv:
+            self._mpv.command('playlist-play-index', self._idx)
 
     def reload(self) -> None:
         """Close MPV, re-read (and re-shuffle) filenames, then re-start MPV."""