[kiosk*] rework and introduce kiosk mode modules

changed from slxbrowser only support to modular hook structure to
support additional browser, i.e. chromium
NOTE: kiosk-chromium and kiosk-netpoint only make sense with the new gen

1 files changed, 57 insertions, 0 deletions

diff --git a/core/modules/kiosk-common/data/opt/openslx/scripts/systemd-setup_kiosk b/core/modules/kiosk-common/data/opt/openslx/scripts/systemd-setup_kiosk
new file mode 100755
index 00000000..a19e2bc3
--- /dev/null
+++ b/core/modules/kiosk-common/data/opt/openslx/scripts/systemd-setup_kiosk
@@ -0,0 +1,57 @@
+#!/bin/bash
+
+. /opt/openslx/config
+
+configure_fullscreen() {
+	# TODO having two variants of the rc.xml is quite bad, better to prune it with xmlstarlet?
+	local openbox_rc_file="/etc/xdg/openbox/rc.xml.kiosk"
+	local openbox_namespace="http://openbox.org/3.4/rc"
+	# for fullscreen functionality, use openbox
+	if [ ! -e "$openbox_rc_file" ]; then
+		echo "Could not find global openbox configuration"
+		return 1
+	fi
+	local browser_node="//x:applications/x:application[@role='browser']"
+	local -i browser_node_count="$(xmlstarlet sel -N x="$openbox_namespace" -t -c "count($browser_node)" "$openbox_rc_file")"
+	if [ "$browser_node_count" -gt 1 ]; then
+		echo "More than one node for '$browser_node' found. Removing them all..."
+		xmlstarlet ed -L -N x="$openbox_namespace" -d "$browser_node" "$openbox_rc_file"
+	fi
+	# either we removed everything, or we had none to start with
+	if [ "$browser_node_count" -eq 0 ] ; then
+		local tmpname="application$RANDOM"
+		xmlstarlet ed -L -N x="$openbox_namespace" -s "//x:applications" -t elem -n "$tmpname" -i "//$tmpname" -t attr -n "role" -v "browser" "$openbox_rc_file"
+		browser_node="//x:applications/x:$tmpname"
+	fi
+	# Fullscreen or maximized depends on whether we should start an interactive session or not
+	# For now use SLX_BROWSER_INTERACTIVE
+	local state
+	if [ -n "$SLX_BROWSER_INTERACTIVE" ]; then
+		state="maximized"
+		xmlstarlet ed -L -N x="$openbox_namespace" -d "$browser_node/x:fullscreen" "$openbox_rc_file"
+	else
+		state="fullscreen"
+		xmlstarlet ed -L -N x="$openbox_namespace" -d "$browser_node/x:maximized" "$openbox_rc_file"
+	fi
+
+	if ! xmlstarlet sel -Q -N x="$openbox_namespace" -t -c "$browser_node/x:$state" "$openbox_rc_file"; then
+		xmlstarlet ed -L -N x="$openbox_namespace" -s "$browser_node" -t elem -n "$state" -v "yes" "$openbox_rc_file"
+	elif [ "$(xmlstarlet sel -N x="$openbox_namespace" -t -v "$browser_node/x:$state" "$openbox_rc_file")" != "yes" ]; then
+		xmlstarlet ed -L -N x="$openbox_namespace" -u "$browser_node/x:$state" -v "yes" "$openbox_rc_file"
+	fi
+	xmlstarlet ed -L -N x="$openbox_namespace" -r "$browser_node" -v "application" "$openbox_rc_file"
+}
+
+## MAIN
+configure_fullscreen
+
+# Disable logout delay for demo user on shutdown/reboot/...
+mkdir -p "/run/openslx"
+touch "/run/openslx/demo-no-logout-delay"
+
+for file in "$0".d/*; do
+	# hooks for browser-related stuff
+	. "$file" || slxlog "kiosk-setup" "Failed to source '$file'."
+done
+
+exit 0