AudioControl/Events.py
2022-11-06 22:23:39 +03:00

123 lines
2.1 KiB
Python

from dataclasses import dataclass, field
"""
Processes unique identifies by their PIDs.
From server to client events:
1. New session
PID
2. Session closed
PID
3. State changed
PID
is_active
4. Volume changed
PID
New volume
5. Mute state changed
PID
is_muted
6. Set name
PID
Name
From client to server:
1. Volume increment
PID
increment (for decrement use -increment value)
2. Mute toggle
PID
Cases:
1. New Session:
Send `New Session` event
Send `Name Changed` event
Send `Volume Changed` event
Send `Mute State Changed` event
Send `State changed` event
# Let's call this set of events a full view since it fully describes current information about a session
2. Session closed
Send `Session closed` event
"""
@dataclass
class Event:
PID: int
event: str = field(init=False)
def __post_init__(self):
self.event = self.__class__.__name__
@dataclass
class ServerToClientEvent(Event):
...
@dataclass
class ClientToServerEvent(Event):
...
# Server to Client Events
@dataclass
class NewSession(ServerToClientEvent):
...
@dataclass
class SessionClosed(ServerToClientEvent):
...
@dataclass
class StateChanged(ServerToClientEvent):
is_active: bool
@dataclass
class VolumeChanged(ServerToClientEvent):
new_volume: float
@dataclass
class MuteStateChanged(ServerToClientEvent):
is_muted: bool
@dataclass
class SetName(ServerToClientEvent):
name: str
# Client to Server Events
@dataclass
class VolumeIncrement(ClientToServerEvent):
increment: float
@dataclass
class MuteToggle(ClientToServerEvent):
...
def lookup_event(event_name: str) -> Event:
subclasses = dict()
to_handle = [Event]
while len(to_handle) > 0:
current_item = to_handle.pop()
for subclass in current_item.__subclasses__():
subclasses[subclass.__name__] = subclass
to_handle.append(subclass)
return subclasses[event_name]