Desktop: Display a notification for starting the installer

A git repo with anaconda-notification and anaconda-notification.desktop
is currently set up at https://github.com/kalev/anaconda-notification

fedora-live-desktop.ks

@@ -57,6 +57,88 @@ if [ -f /usr/share/applications/liveinst.desktop ]; then
 favorite-apps=['firefox.desktop', 'evolution.desktop', 'empathy.desktop', 'rhythmbox.desktop', 'shotwell.desktop', 'openoffice.org-writer.desktop', 'nautilus.desktop', 'anaconda.desktop']
 FOE
 
+  cat > /usr/bin/anaconda-notification << FOE
+#!/usr/bin/env python
+
+from gi.repository import GLib
+from gi.repository import Gio
+from gi.repository import Notify
+import sys
+import os
+import time
+
+def install_cb(n, action, data):
+   assert action == "install"
+   n.close()
+   os.execlp("liveinst", "liveinst")
+
+def closed_cb(user_data):
+    sys.exit()
+
+def get_anaconda_desktop_file():
+    desktop_files = ['/usr/share/applications/anaconda.desktop',
+                     '/usr/share/applications/liveinst.desktop']
+
+    for f in desktop_files:
+        if os.path.isfile(f):
+            return f
+
+    return ""
+
+def show_notification(n):
+    # Spin 10 seconds, waiting for the notification service to start
+    retval = False
+    for i in range(1, 10):
+        try:
+            retval = n.show()
+            break
+        except:
+            time.sleep(1)
+
+    return retval
+
+if __name__ == '__main__':
+    appinfo = Gio.DesktopAppInfo()
+    try:
+       desktop = appinfo.new_from_filename(get_anaconda_desktop_file())
+    except:
+       sys.exit(1)
+    label = desktop.get_name()
+    actionlabel = desktop.get_generic_name()
+
+    if not Notify.init(label):
+        sys.exit(1)
+
+    n = Notify.Notification()
+    n.set_property("summary",label)
+    n.set_property("body",
+        "You are currently using an uninstalled live image.\n" +
+        "If you want to keep using Fedora, you can install " +
+        "it to your hard disk.")
+    n.set_property("icon-name","anaconda")
+    n.set_urgency(Notify.Urgency.CRITICAL)
+
+    n.connect("closed", closed_cb)
+    n.add_action("install", actionlabel, install_cb, None, None)
+
+    if not show_notification(n):
+        print "Failed to send notification"
+        sys.exit(1)
+
+    GLib.MainLoop().run()
+FOE
+  chmod +x /usr/bin/anaconda-notification
+
+  mkdir -p ~liveuser/.config/autostart
+  cat > ~liveuser/.config/autostart/anaconda-notification.desktop << FOE
+[Desktop Entry]
+Name=Fedora Install Notification
+Exec=anaconda-notification
+Type=Application
+X-GNOME-Autostart-enabled=true
+FOE
+
+  chown -R liveuser:liveuser /home/liveuser/.config/
 fi
 
 # rebuild schema cache with any overrides we installed