add mobile shell private components

this will be used for inter-containment communication between the
panels and the homescreen

CMakeLists.txt

@@ -56,6 +56,8 @@ install( FILES kwinmultitasking/metadata.desktop DESTINATION ${SERVICES_INSTALL_
 
 install( DIRECTORY qtvirtualkeyboardplugin/ DESTINATION ${KDE_INSTALL_QMLDIR}/QtQuick/VirtualKeyboard/Styles/Plasma )
 
+install( DIRECTORY components/ DESTINATION ${KDE_INSTALL_QMLDIR}/org/kde/plasma/private/mobileshell )
+
 add_subdirectory(bin)
 add_subdirectory(applets)
 add_subdirectory(containments)

components/HomeScreenControls.qml

@@ -0,0 +1,31 @@
+/*
+ *  Copyright 2020 Marco Martin <mart@kde.org>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  2.010-1301, USA.
+ */
+
+import QtQuick 2.12
+import QtQuick.Window 2.2
+
+pragma Singleton
+
+QtObject {
+    id: delegate
+
+    signal resetHomeScreenPosition()
+    property Item homeScreen
+    property Window homeScreenWindow
+    property bool homeScreenVisible
+}

components/qmldir

@@ -0,0 +1,3 @@
+module org.kde.mycroft.bigscreen
+
+singleton HomeScreenControls 1.0 HomeScreenControls.qml