gtk3-daemon: don't depend on libgala

daemon-gtk3/DBus.vala

@@ -3,6 +3,44 @@
  * SPDX-License-Identifier: GPL-3.0-or-later
  */
 
+public enum Gala.ActionType {
+    NONE = 0,
+    SHOW_MULTITASKING_VIEW,
+    MAXIMIZE_CURRENT,
+    HIDE_CURRENT,
+    OPEN_LAUNCHER,
+    CUSTOM_COMMAND,
+    WINDOW_OVERVIEW,
+    WINDOW_OVERVIEW_ALL,
+    SWITCH_TO_WORKSPACE_PREVIOUS,
+    SWITCH_TO_WORKSPACE_NEXT,
+    SWITCH_TO_WORKSPACE_LAST,
+    START_MOVE_CURRENT,
+    START_RESIZE_CURRENT,
+    TOGGLE_ALWAYS_ON_TOP_CURRENT,
+    TOGGLE_ALWAYS_ON_VISIBLE_WORKSPACE_CURRENT,
+    MOVE_CURRENT_WORKSPACE_LEFT,
+    MOVE_CURRENT_WORKSPACE_RIGHT,
+    CLOSE_CURRENT,
+    SCREENSHOT_CURRENT
+}
+
+[Flags]
+public enum Gala.WindowFlags {
+    NONE = 0,
+    CAN_HIDE,
+    CAN_MAXIMIZE,
+    IS_MAXIMIZED,
+    ALLOWS_MOVE,
+    ALLOWS_RESIZE,
+    ALWAYS_ON_TOP,
+    ON_ALL_WORKSPACES,
+    CAN_CLOSE,
+    IS_TILED,
+    ALLOWS_MOVE_LEFT,
+    ALLOWS_MOVE_RIGHT
+}
+
 [DBus (name = "org.pantheon.gala")]
 public interface Gala.WMDBus : GLib.Object {
     public abstract void perform_action (Gala.ActionType type) throws DBusError, IOError;

daemon-gtk3/meson.build

@@ -14,6 +14,6 @@ executable(
     'gala-daemon-gtk3',
     gala_daemon_sources,
     config_header,
-    dependencies: [gala_base_dep, gala_dep, granite6_dep, hdy_dep],
+    dependencies: [granite6_dep, hdy_dep],
     install: true,
 )