~ubuntu-core-dev/update-notifier/ubuntu

#ifdef HAVE_CONFIG_H

#include "config.h"

#endif

#include <sys/types.h>

#include <sys/stat.h>

#include <unistd.h>

#include <libnotify/notify.h>

#include "update-notifier.h"

#include "update.h"

static gboolean

check_system_crashes() {

   int exitcode;

   if(!in_admin_group())

      return FALSE;

   // check for system crashes

   gchar *argv[] = { CRASHREPORT_HELPER, "--system", NULL };

   if(!g_spawn_sync(NULL,

                    argv,

                    NULL,

                    G_SPAWN_STDOUT_TO_DEV_NULL|G_SPAWN_STDERR_TO_DEV_NULL,

                    NULL,

                    NULL,

                    NULL,

                    NULL,

                    &exitcode,

                    NULL)) {

      g_warning("Can not run %s\n", CRASHREPORT_HELPER);

      return FALSE;

   }

   return exitcode == 0;

}

static gboolean

ask_invoke_apport_with_gksu()

{

   GtkDialog *dialog;

   gchar *msg = _("System program problem detected");

   gchar *descr = _("Do you want to reporting the problem "

                    "now?");

   dialog = gtk_message_dialog_new (NULL,

                                    GTK_DIALOG_DESTROY_WITH_PARENT,

                                    GTK_MESSAGE_QUESTION,

                                    GTK_BUTTONS_NONE,

                                    msg);

   gtk_message_dialog_format_secondary_text(dialog, descr);

   gtk_dialog_add_button(dialog, GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL);

   gtk_dialog_add_button(dialog, _("Report problem…"), GTK_RESPONSE_ACCEPT);

   int res = gtk_dialog_run(dialog);

   gtk_widget_destroy(dialog);

   if (res == GTK_RESPONSE_ACCEPT)

      return TRUE;

   return FALSE;

}

static gboolean 

run_apport(TrayApplet *ta)

{

   g_debug("fire up the crashreport tool\n");

   if (check_system_crashes()) {

      // be nice and always ask first before firing up gksu with its fullscreen

      // window

      if (ask_invoke_apport_with_gksu()) {

         invoke_with_gksu(CRASHREPORT_REPORT_APP, 

                          _("<span weight=\"bold\" size=\"larger\">Please enter your password to access problem reports of system programs</span>"),

                          TRUE);

      }

      return TRUE;

   } else

      return g_spawn_command_line_async(CRASHREPORT_REPORT_APP, NULL);

}

static gboolean

show_notification (TrayApplet *ta)

{

   NotifyNotification *n;

   // check if the update-icon is still visible (in the delay time a 

   // update may already have been performed)

   if(!gtk_status_icon_get_visible(ta->tray_icon))

      return FALSE;

   GdkRectangle area;

   gtk_status_icon_get_geometry(ta->tray_icon, NULL, &area, NULL);

   // no usefull coordiante yet, do another timeout

   if(area.x <= 0 || area.y <= 0 || area.width <= 0 || area.height <= 0)

      return TRUE;

   // now show a notification handle 

   n = notify_notification_new_with_status_icon(

				     _("Crash report detected"),

				     _("An application has crashed on your "

				       "system (now or in the past). "

				       "Click on the notification icon to "

				       "display details. "

				       ),

				     GTK_STOCK_DIALOG_INFO,

				     ta->tray_icon);

	notify_notification_set_timeout (n, 60000);

	notify_notification_show (n, NULL);

	g_object_set_data (G_OBJECT(ta->tray_icon), "notification", n);

	return FALSE;

}

static void 

hide_crash_applet(TrayApplet *ta)

{

   NotifyNotification *n;

   gtk_status_icon_set_visible(ta->tray_icon, FALSE);

   /* Hide any notification popup */

   n = g_object_get_data (G_OBJECT(ta->tray_icon), "notification");

   if (n)

      notify_notification_close (n, NULL);

   g_object_set_data (G_OBJECT(ta->tray_icon), "notification", NULL);

}

gboolean

crashreport_check (TrayApplet *ta)

{

   int crashreports_found = 0;

   static gboolean first_run = TRUE;

   gboolean system_crashes;

   g_debug("crashreport_check\n");

   // don't do anything if no apport-gtk is installed

   if(!g_file_test(CRASHREPORT_REPORT_APP, G_FILE_TEST_IS_EXECUTABLE))

      return FALSE;

   // Check whether the user doesn't want notifications

   if (!gconf_client_get_bool ((GConfClient*) ta->user_data,

       GCONF_KEY_APPORT_NOTIFICATIONS, NULL)) {

      g_debug("apport notifications disabled in gconf, not displaying crashes");

      return FALSE;

   }

   // check for (new) reports by calling CRASHREPORT_HELPER

   // and checking the return code

   int exitcode;

   gchar *argv[] = { CRASHREPORT_HELPER, NULL };

   if(!g_spawn_sync(NULL,

                    argv,

                    NULL,

                    G_SPAWN_STDOUT_TO_DEV_NULL|G_SPAWN_STDERR_TO_DEV_NULL,

                    NULL,

                    NULL,

                    NULL,

                    NULL,

                    &exitcode,

                    NULL)) {

      g_warning("Can not run %s\n", CRASHREPORT_HELPER);

      return FALSE;

   }

   // exitcode == 0: repots found, else no reports

   system_crashes = check_system_crashes();

   crashreports_found = !exitcode || system_crashes;

   gboolean visible = gtk_status_icon_get_visible(ta->tray_icon);

   // normal operation

   // crashreport found and first run: show notification bubble and

   // return

   if((crashreports_found > 0) && (system_crashes || first_run)) {

      gtk_status_icon_set_tooltip(ta->tray_icon,

				  _("Crash report detected"));

      gtk_status_icon_set_visible(ta->tray_icon, TRUE);

      /* Show the notification, after a delay so it doesn't look ugly

       * if we've just logged in */

      g_timeout_add(5000, (GSourceFunc)(show_notification), ta);

   }

   // crashreport found and already visible

   else if((crashreports_found > 0) && !(system_crashes || first_run)) {

      run_apport(ta);

      // if apport was run, we don't care anymore and hide the icon

      crashreports_found=0;

   }

   // no crashreports, but visible

   if((crashreports_found == 0) && visible) {

      hide_crash_applet(ta);

   }

   // special case for unity (and generally stuff that lacks a 

   // notification area, if the icon can not be embedded we just

   // fire up apport regardless in-your-face

   // WARNING: this needs to be *after* the normal operation

   //          and the event loop needs to be flushed, otherwise

   //          gtk_status_icon_is_embedded() will return FALSE

   while (gtk_events_pending())

      gtk_main_iteration();

   if (!gtk_status_icon_is_embedded (ta->tray_icon) && 

       crashreports_found > 0) {

      g_debug("unity handler");

      crashreports_found=0;

      run_apport(ta);

      return TRUE;

   }

   first_run = FALSE;

   return TRUE;

}

static gboolean

button_release_cb (GtkWidget *widget,

		   TrayApplet *ta)

{

   run_apport(ta);

   hide_crash_applet(ta);

   return TRUE;

}

static gboolean

crashreport_check_initially(TrayApplet *ta)

{

   crashreport_check(ta);

   // stop timeout handler

   return FALSE;

}

void

crashreport_tray_icon_init (TrayApplet *ta)

{

	ta->user_data = gconf_client_get_default();

        g_signal_connect (G_OBJECT(ta->tray_icon),

			  "activate",

			  G_CALLBACK (button_release_cb),

			  ta);

	/* Check for crashes for the first time */

	g_timeout_add_seconds(1, crashreport_check_initially, ta);

}