Add mpris support

hm/desktop/default.nix

@@ -52,7 +52,7 @@
           hwdec = "auto-safe";
           profile = "gpu-hq";
         };
-        scripts = with pkgs.mpvScripts; [ thumbnail ];
+        scripts = with pkgs.mpvScripts; [ thumbnail mpris ];
         scriptOpts = {
           mpv_thumbnail_script = {
             autogenerate = false; # TODO It creates too many processes at once, crashing the system

hm/desktop/frobar/default.nix

@@ -25,7 +25,7 @@ pkgs.python3Packages.buildPythonApplication {
     pulsectl
     pyinotify
   ];
-  makeWrapperArgs = [ "--prefix PATH : ${pkgs.lib.makeBinPath ([ lemonbar ] ++ (with pkgs; [ wirelesstools ]))}" ];
+  makeWrapperArgs = [ "--prefix PATH : ${pkgs.lib.makeBinPath ([ lemonbar ] ++ (with pkgs; [ wirelesstools playerctl ]))}" ];
 
   src = ./.;
 }

hm/desktop/frobar/frobar/__init__.py

@@ -37,7 +37,8 @@ def run() -> None:
     )
 
     # TODO Middle
-    Bar.addSectionAll(fp.MpdProvider(theme=9), BarGroupType.LEFT)
+    Bar.addSectionAll(fp.MprisProvider(theme=9), BarGroupType.LEFT)
+    # Bar.addSectionAll(fp.MpdProvider(theme=9), BarGroupType.LEFT)
     # Bar.addSectionAll(I3WindowTitleProvider(), BarGroupType.LEFT)
 
     # TODO Computer modes

hm/desktop/frobar/frobar/providers.py

@@ -849,3 +849,96 @@ class MpdProvider(Section, ThreadedUpdater):
             self.connect()
         except BaseException as e:
             log.error(e, exc_info=True)
+
+
+class MprisProviderSection(Section, Updater):
+    def __init__(self, parent: "MprisProvider"):
+        Updater.__init__(self)
+        Section.__init__(self, theme=parent.theme)
+        self.parent = parent
+
+
+class MprisProvider(Section, ThreadedUpdater):
+    # TODO Controls (select player at least)
+    # TODO Use the Python native thing for it:
+    # https://github.com/altdesktop/playerctl?tab=readme-ov-file#using-the-library
+    # TODO Make it less sucky
+
+    SECTIONS = [
+        "{{ playerName }} {{ status }}",
+        "{{ album }}",
+        "{{ artist }}",
+        "{{ duration(position) }}|{{ duration(mpris:length) }}"
+        " {{ title }}",
+    ]
+
+    # nf-fd icons don't work (UTF-16?)
+    SUBSTITUTIONS = {
+        "Playing": "",
+        "Paused": "",
+        "Stopped": "",
+        "mpd": "",
+        "firefox": "",
+        "chromium": "",
+        "mpv": "",
+    }
+
+    ICONS = {
+        1: "",
+        2: "",
+        3: "",
+    }
+
+    def __init__(self, theme: int | None = None):
+        ThreadedUpdater.__init__(self)
+        Section.__init__(self, theme)
+
+        self.line = ""
+        self.start()
+
+        self.sections: list[Section] = []
+
+    def fetcher(self) -> Element:
+        create = not len(self.sections)
+        populate = self.line
+        split = self.line.split("\t")
+
+        lastSection: Section = self
+        for i in range(len(self.SECTIONS)):
+            if create:
+                section = Section(theme=self.theme)
+                lastSection.appendAfter(section)
+                lastSection = section
+                self.sections.append(section)
+            else:
+                section = self.sections[i]
+
+            if populate:
+                text = split[i]
+                if i == 0:
+                    for key, val in self.SUBSTITUTIONS.items():
+                        text = text.replace(key, val)
+                if text:
+                    if i in self.ICONS:
+                        text = f"{self.ICONS[i]} {text}"
+                    section.updateText(text)
+                else:
+                    section.updateText(None)
+            else:
+                section.updateText(None)
+
+        return None
+
+    def loop(self) -> None:
+        cmd = [
+            "playerctl",
+            "metadata",
+            "--format",
+            "\t".join(self.SECTIONS),
+            "--follow",
+        ]
+        p = subprocess.Popen(cmd, stdout=subprocess.PIPE)
+        assert p.stdout
+        while p.poll() is None:
+            self.line = p.stdout.readline().decode().strip()
+            self.refreshData()

hm/desktop/frobar/frobar/updaters.py

@@ -4,6 +4,7 @@ import functools
 import logging
 import math
 import os
+import subprocess
 import threading
 import time
 
@@ -11,8 +12,8 @@ import coloredlogs
 import i3ipc
 import pyinotify
 
-from frobar.display import Element
 from frobar.common import notBusy
+from frobar.display import Element
 
 coloredlogs.install(level="DEBUG", fmt="%(levelname)s %(message)s")
 log = logging.getLogger()

hm/desktop/mpd/default.nix

@@ -6,12 +6,14 @@
         ashuffle
         mpc-cli
         vimpc
+        playerctl
       ];
       sessionVariables = {
         MPD_PORT = "${toString config.services.mpd.network.port}";
       };
     };
-    services.mpd = {
+    services = {
+      mpd = {
         enable = true;
         network = {
           listenAddress = "0.0.0.0"; # Can be controlled remotely, determined with firewall
@@ -27,6 +29,14 @@
         # UPST auto audio_output ?
         musicDirectory = "${config.home.homeDirectory}/Musiques";
       };
+      # Expose mpd to mpris
+      # mpd-mpris also exists but is MIT and make playerctld not pick up on play/pause events
+      mpdris2.enable = true;
+      # Allow control from headset
+      mpris-proxy.enable = true;
+      # Remember the last player
+      playerctld.enable = true;
+    };
     xdg = {
       configFile = {
         "vimpc/vimpcrc" = {
@@ -45,9 +55,9 @@
     };
     xsession.windowManager.i3.config.keybindings =
       {
-        "XF86AudioPrev" = "exec ${pkgs.mpc-cli}/bin/mpc prev";
-        "XF86AudioPlay" = "exec ${pkgs.mpc-cli}/bin/mpc toggle";
-        "XF86AudioNext" = "exec ${pkgs.mpc-cli}/bin/mpc next";
+        "XF86AudioPrev" = "exec ${lib.getExe pkgs.playerctl} previous";
+        "XF86AudioPlay" = "exec ${lib.getExe pkgs.playerctl} play-pause";
+        "XF86AudioNext" = "exec ${lib.getExe pkgs.playerctl} next";
       };
   };
 }