69 lines
2.4 KiB
Python
69 lines
2.4 KiB
Python
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#!/usr/bin/python3
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from threading import Thread
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from jeepney.bus_messages import message_bus
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from jeepney.io.blocking import DBusConnection, open_dbus_connection
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from .utils import *
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from .dbus_properties import DBusProperties
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from .mpris_root import MPRISRoot
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from .mpris_player import MPRISPlayer
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class MPRISServer:
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def __init__(self, app):
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self.app = app
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self.properties_interface = DBusProperties(self, PROPERTIES_INTERFACE)
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self.root_interface = MPRISRoot(self, MPRIS_ROOT_INTERFACE)
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self.player_interface = MPRISPlayer(self, MPRIS_PLAYER_INTERFACE)
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self.bus_address = DBusAddress(OBJECT_PATH, SERVICE_NAME, PROPERTIES_INTERFACE)
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self.bus: DBusConnection = None
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def start(self):
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self.bus = open_dbus_connection()
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reply = self.bus.send_and_get_reply(message_bus.RequestName(SERVICE_NAME))
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if reply.body[0] == 1:
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print("MPRIS Server connected to DBus: ", SERVICE_NAME)
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Thread(target=self.run_event_loop, daemon=True).start()
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def run_event_loop(self):
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while True:
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msg = self.bus.receive()
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self.app.gui.window.mpris_signal.emit(msg) # queue message in the PyQt event loop
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def handle_event(self, event): # called by app.gui.window.mpris_signal
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self.handle_message(event)
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def handle_message(self, msg: Message):
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object_path = msg.header.fields[HeaderFields.path]
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if not object_path == OBJECT_PATH: # only accept messages for "/org/mpris/MediaPlayer2"
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self.bus.send_message(new_error(msg, *DBusErrors.unknownObject(object_path)))
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return
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interface = msg.header.fields[HeaderFields.interface]
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# let the corresponding interface handle the message
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if interface == PROPERTIES_INTERFACE:
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self.properties_interface.handle_message(msg)
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elif interface == MPRIS_ROOT_INTERFACE:
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self.root_interface.handle_message(msg)
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elif interface == MPRIS_PLAYER_INTERFACE:
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self.player_interface.handle_message(msg)
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def on_playstate_update(self):
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current_playlist = self.app.player.current_playlist
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if current_playlist is not None and current_playlist.current_track is not None:
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current_track = current_playlist.current_track
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self.player_interface.metadata["xesam:title"] = ("s", current_track.metadata.title)
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self.properties_interface.properties_changed(MPRIS_PLAYER_INTERFACE)
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