Reintroduce stuff that's needed

data/mutter-x11-interop.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<protocol name="mutter_x11_interop">
+  <description summary="X11 interoperability helper">
+    This protocol is intended to be used by the portal backend to map Wayland
+    dialogs as modal dialogs on top of X11 windows.
+  </description>
+
+  <interface name="mutter_x11_interop" version="1">
+    <description summary="X11 interoperability helper"/>
+
+    <request name="destroy" type="destructor"/>
+
+    <request name="set_x11_parent">
+      <arg name="surface" type="object" interface="wl_surface"/>
+      <arg name="xwindow" type="uint"/>
+    </request>
+  </interface>
+</protocol>

data/org.gnome.Mutter.ServiceChannel.xml

@@ -0,0 +1,16 @@
+<!DOCTYPE node PUBLIC
+'-//freedesktop//DTD D-BUS Object Introspection 1.0//EN'
+'http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd'>
+<node>
+  <interface name="org.gnome.Mutter.ServiceChannel">
+    <!--
+        ServiceClientTypes:
+           PORTAL_BACKEND: 1
+    -->
+    <method name="OpenWaylandServiceConnection">
+      <arg name="service_client_type" type="u" direction="in" />
+      <annotation name="org.gtk.GDBus.C.UnixFD" value="true"/>
+      <arg name="fd" type="h" direction="out" />
+    </method>
+  </interface>
+</node>

data/org.gnome.Shell.Introspect.xml

@@ -0,0 +1,89 @@
+<!DOCTYPE node PUBLIC
+'-//freedesktop//DTD D-BUS Object Introspection 1.0//EN'
+'http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd'>
+<node>
+
+  <!--
+      org.gnome.Shell.Introspect:
+      @short_description: Introspection interface
+
+      The interface used to introspect the state of Shell, such as running
+      applications, currently active application, etc.
+  -->
+  <interface name="org.gnome.Shell.Introspect">
+
+    <!--
+        RunningApplicationsChanged:
+        @short_description: Notifies when the running applications changes
+    -->
+    <signal name="RunningApplicationsChanged" />
+
+    <!--
+        WindowsChanged:
+        @short_description: Notifies when any window opens or closes
+    -->
+    <signal name="WindowsChanged" />
+
+    <!--
+        GetRunningApplications:
+        @short_description: Retrieves the description of all running applications
+
+        Each application is associated by an application ID. The details of
+        each application consists of a varlist of keys and values. Available
+        keys are listed below.
+
+        'active-on-seats' - (as)   list of seats the application is active on
+                                   (a seat only has at most one active
+                                   application)
+    -->
+    <method name="GetRunningApplications">
+      <arg name="apps" direction="out" type="a{sa{sv}}" />
+    </method>
+
+    <!--
+        GetWindows:
+        @short_description: Retrieves the current list of windows and their properties
+
+        A window is exposed as:
+        * t ID: unique ID of the window
+        * a{sv} properties: high-level properties
+
+          Known properties:
+
+          - "title"       (s): (readonly) title of the window
+          - "app-id"      (s): (readonly) application ID of the window
+          - "wm-class"    (s): (readonly) class of the window
+          - "client-type" (u): (readonly) 0 for Wayland, 1 for X11
+          - "is-hidden"   (b): (readonly) if the window is currently hidden
+          - "has-focus"   (b): (readonly) if the window currently have
+                                          keyboard focus
+          - "width"       (u): (readonly) width of the window
+          - "height"      (u): (readonly) height of the window
+    -->
+    <method name="GetWindows">
+      <arg name="windows" direction="out" type="a{ta{sv}}" />
+    </method>
+
+    <!--
+       AnimationsEnabled:
+       @short_description: Whether the shell animations are enabled
+
+       By default determined by the org.gnome.desktop.interface enable-animations
+       gsetting, but may be overridden, e.g. if there is an active screen cast or
+       remote desktop session that asked for animations to be disabled.
+
+       Since: 2
+    -->
+    <property name="AnimationsEnabled" type="b" access="read"/>
+
+    <!--
+       ScreenSize:
+       @short_description: The size of the screen
+
+       Since: 3
+    -->
+    <property name="ScreenSize" type="(ii)" access="read"/>
+
+    <property name="version" type="u" access="read"/>
+  </interface>
+</node>