video upload support.

src/screenrecorder.py

@@ -0,0 +1,79 @@
+import gi
+
+gi.require_version('Gtk', '4.0')
+gi.require_version('Adw', '1')
+from gi.repository import Gtk, Adw, GLib, Gio
+import os
+
+
+class ScreenRecorder:
+    def __init__(self, parent_window):
+        self.window = parent_window
+        self.recording = False
+        self.output_path = os.path.join(GLib.get_user_cache_dir(), "screen")
+        self.init_proxy()
+
+    def init_proxy(self):
+        try:
+            self.proxy = Gio.DBusProxy.new_for_bus_sync(
+                Gio.BusType.SESSION,
+                Gio.DBusProxyFlags.NONE,
+                None,
+                'org.gnome.Shell.Screencast',
+                '/org/gnome/Shell/Screencast',
+                'org.gnome.Shell.Screencast',
+                None
+            )
+        except GLib.Error as e:
+            self.show_error(str(e))
+
+    def start(self):
+        if not self.recording:
+            try:
+                old_file = self.output_path + ".mp4"
+                if os.path.exists(old_file):
+                    try:
+                        os.remove(old_file)
+                    except OSError as e:
+                        self.show_error(str(e))
+                        return False
+
+                success, path = self.proxy.call_sync(
+                    'Screencast',
+                    GLib.Variant(
+                        '(sa{sv})',
+                        (self.output_path, {})
+                    ),
+                    Gio.DBusCallFlags.NONE,
+                    -1,
+                    None
+                )
+                if success:
+                    self.recording = True
+                    return True
+
+            except GLib.Error as e:
+                self.show_error(str(e))
+            return False
+
+    def stop(self, *args):
+        if self.recording:
+            try:
+                self.proxy.call_sync(
+                    'StopScreencast',
+                    None,
+                    Gio.DBusCallFlags.NONE,
+                    -1,
+                    None
+                )
+                self.recording = False
+            except GLib.Error as e:
+                self.show_error(str(e))
+
+    def show_error(self, message):
+        dialog = Adw.MessageDialog.new(self.window)
+        dialog.set_heading("Error")
+        dialog.set_body(str(message))
+        dialog.set_modal(True)
+        dialog.add_response("ok", "OK")
+        dialog.present()