QModInstaller: add install slot

Install is done in a separate thread so that the UI can keep updating

src/leek/qmod_installer.py

@@ -1,10 +1,15 @@
+import time
 from pathlib import Path
 from urllib.parse import urlparse
 
-from PySide6.QtCore import Property, QObject, Signal
+from PySide6.QtCore import Property, QObject, QRunnable, QThreadPool, Signal, Slot
 from PySide6.QtQml import QmlElement, QmlSingleton
 
-from leek.mod_installer import ModInstaller, UnsupportedArchiveTypeError, NoModExceptionError
+from leek.mod_installer import (
+    ModInstaller,
+    NoModExceptionError,
+    UnsupportedArchiveTypeError,
+)
 
 QML_IMPORT_NAME = "Leek.QModInstaller"
 QML_IMPORT_MAJOR_VERSION = 1
@@ -58,3 +63,31 @@ class QModInstaller(QObject):
     @Property(str, notify=status_changed)
     def status(self) -> str:
         return self.__status
+
+    finished_install = Signal(name="finishedInstall")
+
+    @Slot()
+    def install(self) -> None:
+        worker = InstallWorker(InstallWorkerSignals())
+        # worker.signals.installed.connect(self.mod_finished_installing)
+        worker.signals.installed.connect(self.finished_install)
+        QThreadPool.globalInstance().start(worker)
+
+
+class InstallWorker(QRunnable):
+    def __init__(self, signals) -> None:
+        super().__init__()
+        self.signals = signals
+
+    # @Slot()
+    def run(self) -> None:
+        # Fake installing for now
+        time.sleep(4)
+        self.signals.installed.emit()
+
+
+class InstallWorkerSignals(QObject):
+    def __init__(self):
+        super().__init__()
+
+    installed = Signal()