[drwright] Add persistent notification support

[Christopher Aillon <caillon src gnome org>]

commit 81b0c5e1dd05caedc9489a3248af0c2402af12fa
Author: Christopher Aillon <caillon redhat com>
Date:   Thu Mar 3 13:20:01 2011 -0800

    Add persistent notification support
    
    GNOME bug 643535 part 2

 configure.in   |    2 +
 src/drwright.c |   77 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 79 insertions(+), 0 deletions(-)
---
diff --git a/configure.in b/configure.in
index 52b369b..b79886c 100644
--- a/configure.in
+++ b/configure.in
@@ -44,6 +44,7 @@ GLIB_REQUIRED=2.26.0
 GIO_REQUIRED=2.26.0
 GTK_REQUIRED=3.0.0
 LIBCANBERRA_REQUIRED=0
+LIBNOTIFY_REQUIRED=0.7
 GSD_REQUIRED=2.91.8
 GNOMECC_REQUIRED=2.91.6
 
@@ -56,6 +57,7 @@ PKG_CHECK_MODULES([TYPING],[
   gio-2.0 >= $GIO_REQUIRED
   gtk+-3.0 >= $GTK_REQUIRED
   libcanberra-gtk3 >= $LIBCANBERRA_REQUIRED
+  libnotify >= $LIBNOTIFY_REQUIRED
   x11])
 
 AC_PATH_XTRA
diff --git a/src/drwright.c b/src/drwright.c
index 1b01f1b..7a7ebb9 100644
--- a/src/drwright.c
+++ b/src/drwright.c
@@ -28,6 +28,7 @@
 #include <gdk/gdk.h>
 #include <gdk/gdkkeysyms.h>
 #include <gtk/gtk.h>
+#include <libnotify/notify.h>
 
 #include "drwright.h"
 #include "drw-break-window.h"
@@ -56,6 +57,9 @@ struct _DrWright {
 	GtkWidget      *break_window;
 	GList          *secondary_break_windows;
 
+	NotifyNotification *notification;
+	gint            num_minutes_last_displayed;
+
 	DrwMonitor     *monitor;
 
 	DrwState        state;
@@ -87,6 +91,69 @@ static GList *  create_secondary_break_windows (void);
 extern gboolean debug;
 
 static void
+show_warning_notification (DrWright *dr, gboolean show)
+{
+	NotifyNotification *notification;
+	gint minutes, seconds;
+	gchar *summary, *body;
+	GError *error = NULL;
+
+	if (show == FALSE) {
+		if (dr->notification) {
+			gboolean success = notify_notification_close (dr->notification, &error);
+			if (success) {
+				g_object_unref (dr->notification);
+				dr->notification = NULL;
+			}
+			else {
+				g_warning ("%s", error->message);
+			}
+			g_clear_error (&error);
+		}
+		dr->num_minutes_last_displayed = -1;
+		return;
+	}
+
+	seconds = dr->type_time - drw_timer_elapsed (dr->timer) - dr->save_last_time;
+	minutes = (seconds / 60) + 1;
+
+	if (minutes == dr->num_minutes_last_displayed) {
+		return;
+	}
+	dr->num_minutes_last_displayed = minutes;
+
+	summary = _("Typing Break Reminder");
+
+	if (minutes > 1) {
+		body = g_strdup_printf (ngettext ("Approximately %d minute to the next break.",
+		                                  "Approximately %d minutes to the next break.",
+		                                  minutes),
+		                        minutes);
+	}
+	else {
+		body = g_strdup (_("Less than one minute to the next break."));
+	}
+
+	if (dr->notification) {
+		notification = dr->notification;
+		notify_notification_update (notification, summary, body, "typing-monitor");
+	}
+	else {
+		notification = notify_notification_new (summary, body, "typing-monitor");
+		notify_notification_set_hint (notification, "resident",
+		                              g_variant_new_boolean (TRUE));
+		dr->notification = notification;
+	}
+
+	if (!notify_notification_show (notification, &error)) {
+		g_warning ("%s", error->message);
+	}
+
+	g_clear_error (&error);
+	g_free (body);
+}
+
+static void
 setup_debug_values (DrWright *dr)
 {
 	dr->type_time = 300;
@@ -150,6 +217,7 @@ maybe_change_state (DrWright *dr)
 
 		drw_timer_start (dr->timer);
 		drw_timer_start (dr->idle_timer);
+		show_warning_notification (dr, FALSE);
 
 		if (dr->enabled) {
 			dr->state = STATE_RUNNING;
@@ -167,6 +235,9 @@ maybe_change_state (DrWright *dr)
 			   && elapsed_time >= dr->type_time - dr->warn_time) {
 			dr->state = STATE_WARN;
 		}
+		if (dr->state == STATE_WARN) {
+			show_warning_notification (dr, TRUE);
+		}
 		break;
 
 	case STATE_BREAK_SETUP:
@@ -178,6 +249,8 @@ maybe_change_state (DrWright *dr)
 			break;
 		}
 
+		show_warning_notification (dr, FALSE);
+
 		drw_timer_start (dr->timer);
 
 		dr->break_window = drw_break_window_new ();
@@ -363,6 +436,10 @@ drwright_new (void)
 		setup_debug_values (dr);
 	}
 
+	if (!notify_is_initted ()) {
+		notify_init (PACKAGE_NAME);
+	}
+
 	dr->timer = drw_timer_new ();
 	dr->idle_timer = drw_timer_new ();