applaunchd: Initial commit

`applaunchd` is a new service, dedicated to starting and monitoring
applications. It is part of the Application Framework rework.

Bug-AGL: SPEC-4160
Signed-off-by: Arnaud Ferraris <arnaud.ferraris@collabora.com>
Change-Id: I9543957f9065670e9112556f5cd2b31d0b2ab9d9

4 files changed, 151 insertions, 0 deletions

diff --git a/data/meson.build b/data/meson.build
new file mode 100644
index 0000000..34aefa4
--- /dev/null
+++ b/data/meson.build
@@ -0,0 +1,57 @@
+#
+# Copyright (C) 2021 Collabora Ltd
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+gnome = import('gnome')
+
+# DBus server interface
+dbus_prefix = 'org.automotivelinux.'
+dbus_namespace = 'applaunchd'
+
+generated_dbus_sources = []
+
+dbus_interfaces = [ 'org.automotivelinux.AppLaunch.xml' ]
+
+generated_dbus_sources += gnome.gdbus_codegen('applaunch-dbus',
+    sources          : dbus_interfaces,
+    object_manager   : false,
+    interface_prefix : 'org.automotivelinux.',
+    install_header   : false,
+    namespace        : 'applaunchd')
+
+dbus_header_dir = meson.current_build_dir()
+dbus_inc = include_directories('.')
+install_data(dbus_interfaces, install_dir: ifacedir)
+
+# Application DBus interface
+generated_dbus_sources += gnome.gdbus_codegen('fdo-dbus',
+    sources          : [ 'org.freedesktop.Application.xml' ],
+    object_manager   : false,
+    interface_prefix : 'org.freedesktop.',
+    install_header   : false,
+    namespace        : 'fdo')
+
+# systemd service file
+service_data = configuration_data()
+service_data.set('bindir', bindir)
+service_file = 'org.automotivelinux.AppLaunch.service'
+
+configure_file(
+  input : service_file + '.in',
+  output : service_file,
+  configuration : service_data,
+  install : true,
+  install_dir: servicedir,
+)
diff --git a/data/org.automotivelinux.AppLaunch.service.in b/data/org.automotivelinux.AppLaunch.service.in
new file mode 100644
index 0000000..41acad5
--- /dev/null
+++ b/data/org.automotivelinux.AppLaunch.service.in
@@ -0,0 +1,3 @@
+[D-BUS Service]
+Name=org.automotivelinux.AppLaunch
+Exec=@bindir@/applaunchd
diff --git a/data/org.automotivelinux.AppLaunch.xml b/data/org.automotivelinux.AppLaunch.xml
new file mode 100644
index 0000000..52aa20b
--- /dev/null
+++ b/data/org.automotivelinux.AppLaunch.xml
@@ -0,0 +1,74 @@
+<!DOCTYPE node PUBLIC "-//freedesktop//DTD D-BUS Object Introspection 1.0//EN" "http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd">
+
+<!--
+ AppLaunch Interface Specification
+
+   Copyright (C) 2021 Collabora Ltd
+-->
+<node name="/org/automotivelinux/AppLaunch" xmlns:doc="http://www.freedesktop.org/dbus/1.0/doc.dtd">
+
+  <!--
+      org.automotivelinux.AppLaunch:
+      @short_description: The AppLaunch interface.
+
+      The AppLaunch interface allows requesting application startup and
+      being notified of application startup and termination events.
+  -->
+  <interface name="org.automotivelinux.AppLaunch">
+
+    <!--
+        start:
+        @appid: Application ID, should match:
+                - the xdg-shell app-id for graphical applications started
+                  through a command line
+                - the D-Bus name owned by the application for D-Bus activated
+                  apps
+
+        Start the application with the corresponding application ID.
+    -->
+    <method name="start">
+      <arg name="appid" type="s" direction="in"/>
+    </method>
+
+    <!--
+        listApplications:
+        @graphical: Whether the should should be limited to graphical
+                    applications.
+        @applist: The application list as an array of variants. Each array item
+                  is an application entry, represented as a structure of 3 strings:
+                  - application ID
+                  - application name
+                  - absolute icon path
+
+        Retrieve the list of applications which can be started using this interface.
+    -->
+    <method name="listApplications">
+      <arg name="graphical" type="b" direction="in"/>
+      <arg name="applist" type="av" direction="out"/>
+    </method>
+
+    <!--
+        started:
+        @appid: Application ID
+
+        Emitted when an application started successfully, which happens when:
+        - the D-Bus name has been taken for D-Bus activated applications
+        - the process was created for other applications
+    -->
+    <signal name="started">
+      <arg name="appid" type="s"/>
+    </signal>
+
+    <!--
+        terminated:
+        @appid: Application ID
+
+        Emitted when an application terminated, which happens when:
+        - the D-Bus name has been released for D-Bus activated applications
+        - the process exited for other applications
+    -->
+    <signal name="terminated">
+      <arg name="appid" type="s"/>
+    </signal>
+  </interface>
+</node>
diff --git a/data/org.freedesktop.Application.xml b/data/org.freedesktop.Application.xml
new file mode 100644
index 0000000..dc03d70
--- /dev/null
+++ b/data/org.freedesktop.Application.xml
@@ -0,0 +1,17 @@
+<!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.freedesktop.Application'>
+    <method name='Activate'>
+      <arg type='a{sv}' name='platform_data' direction='in'/>
+    </method>
+    <method name='Open'>
+      <arg type='as' name='uris' direction='in'/>
+      <arg type='as' name='platform_data' direction='in'/>
+    </method>
+    <method name='ActivateAction'>
+      <arg type='s' name='action_name' direction='in'/>
+      <arg type='av' name='parameter' direction='in'/>
+      <arg type='as' name='platform_data' direction='in'/>
+    </method>
+  </interface>
+</node>