Port 'Location' demo to Python

demos/Location/main.py

@@ -0,0 +1,126 @@
+import gi
+
+gi.require_version("Xdp", "1.0")
+gi.require_version("XdpGtk4", "1.0")
+from gi.repository import Gio, Xdp, XdpGtk4, GLib
+import workbench
+
+portal = Xdp.Portal()
+parent = XdpGtk4.parent_new_gtk(workbench.window)
+
+revealer = workbench.builder.get_object("revealer")
+start = workbench.builder.get_object("start")
+close = workbench.builder.get_object("close")
+distance_threshold = workbench.builder.get_object("distance_threshold")
+time_threshold = workbench.builder.get_object("time_threshold")
+accuracy_button = workbench.builder.get_object("accuracy_button")
+
+latitude_label = workbench.builder.get_object("latitude")
+longitude_label = workbench.builder.get_object("longitude")
+accuracy_label = workbench.builder.get_object("accuracy")
+altitude_label = workbench.builder.get_object("altitude")
+speed_label = workbench.builder.get_object("speed")
+heading_label = workbench.builder.get_object("heading")
+description_label = workbench.builder.get_object("description")
+timestamp_label = workbench.builder.get_object("timestamp")
+
+locationAccuracy = Xdp.LocationAccuracy.EXACT
+distanceThreshold = distance_threshold.get_value()
+timeThreshold = time_threshold.get_value()
+
+
+def on_location_monitor_started(portal, result):
+    success = portal.location_monitor_start_finish(result)
+    if success:
+        print("Location access granted")
+        revealer.set_reveal_child(True)
+    else:
+        print("Error retrieving location")
+
+
+def start_session():
+    start.set_sensitive(False)
+    close.set_sensitive(True)
+    portal.location_monitor_start(
+        parent,
+        distanceThreshold,
+        timeThreshold,
+        locationAccuracy,
+        Xdp.LocationMonitorFlags.NONE,
+        None,
+        on_location_monitor_started,
+    )
+
+
+def on_time_threshold_changed(_row, _value):
+    portal.location_monitor_stop()
+    revealer.set_reveal_child(False)
+    timeThreshold = time_threshold.get_value()
+    print("Time threshold changed")
+    start_session()
+
+
+def on_distance_threshold_changed(_row, _value):
+    global distanceThreshold
+    portal.location_monitor_stop()
+    revealer.set_reveal_child(False)
+    distanceThreshold = distance_threshold.get_value()
+    print("Distance threshold changed")
+    start_session()
+
+
+def on_selected_item_changed(_row, _item):
+    global locationAccuracy
+    print("Accuracy changed")
+    portal.location_monitor_stop()
+    revealer.set_reveal_child(False)
+    accuracy_flag = accuracy_button.get_selected_item().get_string()
+    locationAccuracy = getattr(Xdp.LocationAccuracy, accuracy_flag.upper())
+    start_session()
+
+
+def on_location_updated(
+    _self,
+    latitude,
+    longitude,
+    altitude,
+    accuracy,
+    speed,
+    heading,
+    description,
+    timestamp_s,
+    timestamp_ms,
+):
+    latitude_label.set_label(str(latitude))
+    longitude_label.set_label(str(longitude))
+    accuracy_label.set_label(str(accuracy))
+    altitude_label.set_label(str(altitude))
+    speed_label.set_label(str(speed))
+    heading_label.set_label(str(heading))
+    description_label.set_label(description)
+
+    # Convert UNIX timestamp to local date and time string
+    timestamp = GLib.DateTime.new_from_unix_local(timestamp_s)
+    formatted_timestamp = timestamp.format("%c")
+    timestamp_label.set_label(formatted_timestamp)
+
+
+def on_close(_button):
+    start.set_sensitive(True)
+    close.set_sensitive(False)
+    portal.location_monitor_stop()
+    revealer.set_reveal_child(False)
+    print("Session closed")
+
+
+time_threshold.connect("notify::value", on_time_threshold_changed)
+
+distance_threshold.connect("notify::value", on_distance_threshold_changed)
+
+accuracy_button.connect("notify::selected-item", on_selected_item_changed)
+
+portal.connect("location-updated", on_location_updated)
+
+start.connect("clicked", lambda _: start_session())
+
+close.connect("clicked", on_close)