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"""
Main plugin class for the lsfg-vk Decky Loader plugin.
This plugin provides services for installing and managing the lsfg-vk
Vulkan layer for frame generation on Steam Deck.
"""
import os
from typing import Any, Dict, Optional
import decky
from .installation import InstallationService
from .configuration import ConfigurationService
from .flatpak_service import FlatpakService
from .runtime_service import RuntimeService
from .steam_service import SteamService
from .wrapper_service import WrapperService
class Plugin:
"""
Main plugin class for lsfg-vk management.
This class provides a unified interface for installation, configuration,
and Flatpak management services. It implements the Decky Loader plugin lifecycle
methods (_main, _unload, _uninstall, _migration).
"""
def __init__(self):
"""Initialize the plugin with all necessary services"""
self.runtime_service = RuntimeService()
self.steam_service = SteamService()
self.installation_service = InstallationService(
runtime_service=self.runtime_service,
steam_service=self.steam_service,
)
self.configuration_service = ConfigurationService(runtime_service=self.runtime_service)
self.flatpak_service = FlatpakService()
self.wrapper_service = WrapperService()
async def install_lsfg_vk(self) -> Dict[str, Any]:
"""Install the bundled lsfg-vk runtime to ~/.local
Returns:
InstallationResponse dict with success status and message/error
"""
return self.installation_service.install()
async def check_lsfg_vk_installed(self) -> Dict[str, Any]:
"""Check if lsfg-vk is already installed
Returns:
InstallationCheckResponse dict with installation status and paths
"""
return self.installation_service.check_installation()
async def uninstall_lsfg_vk(self) -> Dict[str, Any]:
"""Uninstall lsfg-vk by removing the installed files
Returns:
UninstallationResponse dict with success status and removed files
"""
return self.installation_service.uninstall()
async def get_game_configs(self) -> Dict[str, Any]:
return self.configuration_service.get_game_configs()
async def get_installed_games(self) -> Dict[str, Any]:
result = self.steam_service.get_installed_games()
if not result.get("success"):
return result
support_cache: Dict[str, Dict[str, Any]] = {}
for game in result.get("games", []):
transport = game.get("transport") if isinstance(game, dict) else None
if not isinstance(transport, dict) or transport.get("kind") != "flatpak":
continue
flatpak_app_id = transport.get("flatpakAppId")
if not isinstance(flatpak_app_id, str) or not flatpak_app_id:
continue
if flatpak_app_id not in support_cache:
support_cache[flatpak_app_id] = self.flatpak_service.resolve_app_support(
flatpak_app_id
)
game["flatpakSupport"] = support_cache[flatpak_app_id]
return result
async def update_game_config(self, appid: str, game_name: str, config: Dict[str, Any]) -> Dict[str, Any]:
return self.configuration_service.update_game_config(appid, game_name, config)
async def reset_game_config(self, appid: str) -> Dict[str, Any]:
return self.configuration_service.reset_game_config(appid)
async def reset_all_game_configs(self) -> Dict[str, Any]:
return self.configuration_service.reset_all_game_configs()
async def get_workaround_state(self, appid: str) -> Dict[str, Any]:
return self.wrapper_service.get(appid)
async def set_workaround_state(
self,
appid: str,
state: Dict[str, Any],
shortcut_exe: Optional[str] = None,
command_token_added: bool = False,
transport: Optional[Dict[str, Any]] = None,
) -> Dict[str, Any]:
return self.wrapper_service.set(
appid,
state,
shortcut_exe,
command_token_added,
transport,
)
async def remove_workaround_state(self, appid: str) -> Dict[str, Any]:
return self.wrapper_service.remove(appid)
async def get_config_file_content(self) -> Dict[str, Any]:
"""Get the current config file content
Returns:
Dict containing the config file content or error message
"""
try:
config_path = self.configuration_service.config_file_path
if not config_path.exists():
return {
"success": False,
"content": None,
"path": str(config_path),
"error": "Config file does not exist"
}
content = config_path.read_text(encoding='utf-8')
return {
"success": True,
"content": content,
"path": str(config_path),
"error": None
}
except Exception as e:
return {
"success": False,
"content": None,
"path": str(config_path) if 'config_path' in locals() else "unknown",
"error": f"Error reading config file: {str(e)}"
}
async def get_lossless_scaling_branch_status(self) -> Dict[str, Any]:
return self.steam_service.get_branch_status()
async def get_flatpak_support_status(self) -> Dict[str, Any]:
return self.flatpak_service.get_flatpak_support_status()
async def ensure_flatpak_support(self, flatpak_app_id: str) -> Dict[str, Any]:
return self.flatpak_service.ensure_app_support(flatpak_app_id)
async def repair_flatpak_support(self, flatpak_app_id: str) -> Dict[str, Any]:
return self.flatpak_service.ensure_app_support(flatpak_app_id)
async def set_flatpak_extension_enabled(self, version: str, enabled: bool) -> Dict[str, Any]:
return self.flatpak_service.set_extension_enabled(version, enabled)
async def remove_plugin_owned_flatpak_extensions(self) -> Dict[str, Any]:
return self.flatpak_service.remove_plugin_owned_extensions()
async def _main(self):
"""
Main entry point for the plugin.
This method is called by Decky Loader when the plugin is loaded.
Any initialization code should go here.
"""
repair = self.wrapper_service.repair()
if not repair.get("success"):
decky.logger.error(f"Could not repair lsfg workaround wrapper: {repair.get('error')}")
decky.logger.info("decky-lsfg-vk plugin loaded")
async def _unload(self):
"""
Cleanup tasks when the plugin is unloaded.
This method is called by Decky Loader when the plugin is being unloaded.
Any cleanup code should go here.
"""
decky.logger.info("decky-lsfg-vk plugin unloaded")
async def _uninstall(self):
"""
Called when the plugin is uninstalled.
This method is called by Decky Loader when the plugin is being uninstalled.
Performs cleanup of plugin files and flatpak extensions.
"""
decky.logger.info("decky-lsfg-vk plugin being uninstalled")
# Clean up lsfg-vk files when the plugin is uninstalled
# Launch integrations are removed with their profiles. Keep the
# generated pass-through wrapper if it is still referenced elsewhere;
# InstallationService only removes files owned by the runtime bundle.
self.installation_service.cleanup_on_uninstall()
try:
result = self.flatpak_service.remove_plugin_owned_extensions()
if not result.get("success"):
decky.logger.warning(result.get("error"))
except Exception as error:
decky.logger.error(f"Error during Flatpak cleanup: {error}")
decky.logger.info("decky-lsfg-vk plugin uninstall cleanup completed")
async def _migration(self):
"""
Migrations that should be performed before entering `_main()`.
This method is called by Decky Loader for plugin migrations.
Currently migrates logs, settings, and runtime data from old locations.
"""
decky.logger.info("Running decky-lsfg-vk plugin migrations")
decky.migrate_logs(os.path.join(decky.DECKY_USER_HOME,
".config", "decky-lossless-scaling-vk", "lossless-scaling-vk.log"))
decky.migrate_settings(
os.path.join(decky.DECKY_HOME, "settings", "lossless-scaling-vk.json"),
os.path.join(decky.DECKY_USER_HOME, ".config", "decky-lossless-scaling-vk"))
decky.migrate_runtime(
os.path.join(decky.DECKY_HOME, "lossless-scaling-vk"),
os.path.join(decky.DECKY_USER_HOME, ".local", "share", "decky-lossless-scaling-vk"))
decky.logger.info("decky-lsfg-vk plugin migrations completed")
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