app: make DBus-activatable

This commit installs a service file, renames the desktop file
to follow the bus name, and adds the DBusActivatable key to the
desktop file, following
https://wiki.gnome.org/HowDoI/DBusApplicationLaunching

Updates POTFILE files accordingly

configure.ac

@@ -101,7 +101,7 @@ AC_CONFIG_FILES([
       Makefile
       src/Makefile
       data/Makefile
-      data/gnome-calendar.desktop.in
+      data/org.gnome.Calendar.desktop.in
       data/icons/Makefile
       po/Makefile.in
 ])

data/Makefile.am

@@ -1,11 +1,24 @@
 SUBDIRS = icons
 
 desktopdir = $(datadir)/applications
+desktop_in_files = org.gnome.Calendar.desktop.in
 desktop_DATA = $(desktop_in_files:.desktop.in=.desktop)
-  desktop_in_files = gnome-calendar.desktop.in
 
 @INTLTOOL_DESKTOP_RULE@
 
+servicedir = $(datadir)/dbus-1/services
+service_DATA = org.gnome.Calendar.service
+
+%.service: %.service.in Makefile
+	$(AM_V_GEN) [ -d $(@D) ] || $(mkdir_p) $(@D) ; \
+	            sed -e "s|\@libexecdir\@|$(libexecdir)|" $< > $@.tmp && mv $@.tmp $@
+
+org.gnome.Calendar.service:
+	$(AM_V_GEN) (echo '[D-BUS Service]'; \
+	            echo 'Name=org.gnome.Calendar'; \
+	            echo 'Exec=${bindir}/gnome-calendar --gapplication-service') > $@.tmp && \
+	            mv $@.tmp $@
+
 gsettings_ENUM_NAMESPACE = org.gnome.calendar
 gsettings_ENUM_FILES = \
 	$(top_srcdir)/src/gcal-utils.h
@@ -18,7 +31,7 @@ gsettings_SCHEMAS = $(gsettingsschema_in_files:.xml.in=.xml)
 @GSETTINGS_RULES@
 
 EXTRA_DIST=                     \
-  gnome-calendar.desktop        \
+  org.gnome.Calendar.desktop    \
   calendar.gresource.xml        \
   ui/edit-dialog.ui             \
   ui/menus.ui                   \

data/org.gnome.Calendar.desktop.in.in

@@ -9,3 +9,4 @@ StartupNotify=true
 OnlyShowIn=GNOME;
 Categories=GNOME;GTK;Utility;Core;
 MimeType=text/calendar;
+DBusActivatable=true

po/POTFILES.in

@@ -1,5 +1,5 @@
 # List of source files containing translatable strings.
-data/gnome-calendar.desktop.in.in
+data/org.gnome.Calendar.desktop.in.in
 data/org.gnome.calendar.gschema.xml.in
 [type: gettext/glade]data/ui/edit-dialog.ui
 [type: gettext/glade]data/ui/menus.ui

po/POTFILES.skip

@@ -1,2 +1,2 @@
 # List of skipped of translation files
-data/gnome-calendar.desktop.in
+data/org.gnome.Calendar.desktop.in