From be5b0af7fa7fa341363e0ccfe0c7f8a85213d37f Mon Sep 17 00:00:00 2001
From: Max Krummenacher <max.krummenacher@toradex.com>
Date: Wed, 29 May 2019 20:05:35 +0200
Subject: wayland-app-launch: add a simple systemd service

This tries to start a wayland application after weston got started.
Create a copy of wayland-terminal-launch_1.0.bb with the variables
changed according to your needs.

Signed-off-by: Max Krummenacher <max.krummenacher@toradex.com>
---
 .../wayland-app-launch/wayland-app-launch.inc      | 29 ++++++++++++++++++++++
 .../wayland-app-launch/wayland-app-launch.service  | 11 ++++++++
 .../wayland-app-launch/wayland-app-launch.sh.in    | 14 +++++++++++
 .../wayland-terminal-launch_1.0.bb                 |  8 ++++++
 4 files changed, 62 insertions(+)
 create mode 100644 recipes-graphics/wayland-app-launch/wayland-app-launch.inc
 create mode 100644 recipes-graphics/wayland-app-launch/wayland-app-launch/wayland-app-launch.service
 create mode 100644 recipes-graphics/wayland-app-launch/wayland-app-launch/wayland-app-launch.sh.in
 create mode 100644 recipes-graphics/wayland-app-launch/wayland-terminal-launch_1.0.bb

diff --git a/recipes-graphics/wayland-app-launch/wayland-app-launch.inc b/recipes-graphics/wayland-app-launch/wayland-app-launch.inc
new file mode 100644
index 0000000..20a6c25
--- /dev/null
+++ b/recipes-graphics/wayland-app-launch/wayland-app-launch.inc
@@ -0,0 +1,29 @@
+SUMMARY = "Wayland application autostart"
+DESCRIPTION = "This will start a wayland application after the wayland socket has been created."
+LICENSE = "MIT"
+LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda2f7b4f302"
+
+inherit allarch systemd
+
+RDEPENDS_${PN} += "weston-init ${INITIAL_APP_PKGS}"
+
+S = "${WORKDIR}"
+
+SRC_URI = " \
+    file://wayland-app-launch.service \
+    file://wayland-app-launch.sh.in \
+"
+FILESEXTRAPATHS_prepend := "${THISDIR}/wayland-app-launch:"
+
+do_compile () {
+    sed -e "s:@@wayland-application@@:${WAYLAND_APPLICATION}:" wayland-app-launch.sh.in > wayland-app-launch.sh
+}
+
+do_install () {
+    install -d ${D}/${bindir} ${D}${systemd_unitdir}/system/
+    install -m 0644 ${WORKDIR}/wayland-app-launch.service ${D}${systemd_unitdir}/system
+    install -m 0755 ${S}/wayland-app-launch.sh ${D}/${bindir}
+}
+
+SYSTEMD_PACKAGES = "${PN}"
+SYSTEMD_SERVICE_${PN} = "wayland-app-launch.service"
diff --git a/recipes-graphics/wayland-app-launch/wayland-app-launch/wayland-app-launch.service b/recipes-graphics/wayland-app-launch/wayland-app-launch/wayland-app-launch.service
new file mode 100644
index 0000000..d41615b
--- /dev/null
+++ b/recipes-graphics/wayland-app-launch/wayland-app-launch/wayland-app-launch.service
@@ -0,0 +1,11 @@
+[Unit]
+Description=Start a wayland application
+After=weston.service
+Requires=weston.service
+
+[Service]
+Type=forking
+ExecStart=/usr/bin/wayland-app-launch.sh
+
+[Install]
+WantedBy=multi-user.target
diff --git a/recipes-graphics/wayland-app-launch/wayland-app-launch/wayland-app-launch.sh.in b/recipes-graphics/wayland-app-launch/wayland-app-launch/wayland-app-launch.sh.in
new file mode 100644
index 0000000..411184b
--- /dev/null
+++ b/recipes-graphics/wayland-app-launch/wayland-app-launch/wayland-app-launch.sh.in
@@ -0,0 +1,14 @@
+#!/bin/sh
+if test -z "$XDG_RUNTIME_DIR"; then
+    export XDG_RUNTIME_DIR=/run/user/`id -u`
+    if ! test -d "$XDG_RUNTIME_DIR"; then
+        mkdir --parents $XDG_RUNTIME_DIR
+        chmod 0700 $XDG_RUNTIME_DIR
+    fi
+fi
+
+# wait for weston
+while [ ! -e  $XDG_RUNTIME_DIR/wayland-0 ] ; do sleep 0.1; done
+sleep 0.5
+
+@@wayland-application@@
diff --git a/recipes-graphics/wayland-app-launch/wayland-terminal-launch_1.0.bb b/recipes-graphics/wayland-app-launch/wayland-terminal-launch_1.0.bb
new file mode 100644
index 0000000..6b669a0
--- /dev/null
+++ b/recipes-graphics/wayland-app-launch/wayland-terminal-launch_1.0.bb
@@ -0,0 +1,8 @@
+# set the following variable to your one and only application which should
+# be launched right after weston started
+
+INITIAL_APP_PKGS ?= "weston"
+INITIAL_PATH ?= ""
+WAYLAND_APPLICATION ?= "/usr/bin/weston-terminal"
+
+require wayland-app-launch.inc
-- 
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