Add notifications

Notifications are sent hourly and provide a button the user can use to instantly add water

src/gwr-window.c

@@ -89,13 +89,17 @@ gwr_window_init (GwrWindow *self)
     level_changed(self->remaining, NULL, self);
 }
 
+void
+gwr_window_add_water(GwrWindow *self)
+{
+    gwr_water_level_set_level (self->remaining, gwr_water_level_get_level (self->remaining) - 0.1);
+    gwr_water_level_set_level (self->level, gwr_water_level_get_level (self->level) + 0.1);
+}
+
 static void
  gwr_window_add_action(GSimpleAction *action,
                        GVariant      *parameter,
                        gpointer       user_data)
 {
-    GwrWindow *self = GWR_WINDOW(user_data);
-
-    gwr_water_level_set_level (self->remaining, gwr_water_level_get_level (self->remaining) - 0.1);
-    gwr_water_level_set_level (self->level, gwr_water_level_get_level (self->level) + 0.1);
+    gwr_window_add_water(GWR_WINDOW(user_data));
 }

src/gwr-window.h

@@ -26,4 +26,6 @@ G_BEGIN_DECLS
 
 G_DECLARE_FINAL_TYPE (GwrWindow, gwr_window, GWR, WINDOW, GtkApplicationWindow)
 
+void gwr_window_add_water(GwrWindow *window);
+
 G_END_DECLS

src/main.c

@@ -17,75 +17,88 @@
  */
 
 #include <glib/gi18n.h>
+#include <libnotify/notify.h>
 
 #include "gwr-config.h"
 #include "gwr-window.h"
 
+static void
+add_some(NotifyNotification *notification,
+         char               *action,
+         gpointer            user_data)
+{
+    GwrWindow *window = GWR_WINDOW(user_data);
+    GError *error = NULL;
+
+    if (!notify_notification_close(notification, &error)) {
+        g_warning("Could not close notification: %s", error->message);
+
+        g_clear_error(&error);
+    }
+
+    gwr_window_add_water(window);
+}
+
+static gboolean
+show_notification(gpointer user_data)
+{
+    NotifyNotification *notification;
+    GwrWindow *window = GWR_WINDOW(user_data);
+    GError *error = NULL;
+
+    notification = notify_notification_new(_("Remember to drink water!"), NULL, NULL);
+    notify_notification_set_timeout(notification, 5000);
+    notify_notification_add_action(notification, "add", _("I just drank"), add_some, g_object_ref(window), g_object_unref);
+
+    if (!notify_notification_show(notification, &error)) {
+        g_warning("Could not present notification: %s", error->message);
+        g_clear_error(&error);
+    }
+}
+
 static void
 on_activate (GtkApplication *app)
 {
 	GtkWindow *window;
 
-	/* It's good practice to check your parameters at the beginning of the
-	 * function. It helps catch errors early and in development instead of
-	 * by your users.
-	 */
 	g_assert (GTK_IS_APPLICATION (app));
 
 	/* Get the current window or create one if necessary. */
 	window = gtk_application_get_active_window (app);
-	if (window == NULL)
-		window = g_object_new (GWR_TYPE_WINDOW,
-		                       "application", app,
-		                       "default-width", 600,
-		                       "default-height", 300,
-		                       NULL);
+
+    if (window == NULL) {
+        window = g_object_new (GWR_TYPE_WINDOW,
+                               "application", app,
+                               NULL);
+    }
 
 	/* Ask the window manager/compositor to present the window. */
 	gtk_window_present (window);
+
+    g_timeout_add_seconds(3600, show_notification, window);
 }
 
 int
 main (int   argc,
       char *argv[])
 {
+    gint ret;
+
 	g_autoptr(GtkApplication) app = NULL;
-	int ret;
 
 	/* Set up gettext translations */
 	bindtextdomain (GETTEXT_PACKAGE, LOCALEDIR);
 	bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
 	textdomain (GETTEXT_PACKAGE);
 
-	/*
-	 * Create a new GtkApplication. The application manages our main loop,
-	 * application windows, integration with the window manager/compositor, and
-	 * desktop features such as file opening and single-instance applications.
-	 */
 	app = gtk_application_new ("eu.polonkai.gergely.GnomeWaterReminder", G_APPLICATION_FLAGS_NONE);
-
-	/*
-	 * We connect to the activate signal to create a window when the application
-	 * has been lauched. Additionally, this signal notifies us when the user
-	 * tries to launch a "second instance" of the application. When they try
-	 * to do that, we'll just present any existing window.
-	 *
-	 * Because we can't pass a pointer to any function type, we have to cast
-	 * our "on_activate" function to a GCallback.
-	 */
 	g_signal_connect (app, "activate", G_CALLBACK (on_activate), NULL);
 
-	/*
-	 * Run the application. This function will block until the applicaiton
-	 * exits. Upon return, we have our exit code to return to the shell. (This
-	 * is the code you see when you do `echo $?` after running a command in a
-	 * terminal.
-	 *
-	 * Since GtkApplication inherits from GApplication, we use the parent class
-	 * method "run". But we need to cast, which is what the "G_APPLICATION()"
-	 * macro does.
-	 */
-	ret = g_application_run (G_APPLICATION (app), argc, argv);
+    notify_init(_("Water Reminder"));
 
-	return ret;
+    ret = g_application_run (G_APPLICATION (app), argc, argv);
+
+    notify_uninit();
+
+    return ret;
 }

src/meson.build

@@ -10,6 +10,7 @@ gwr_enums = gnome.mkenums_simple('gwr-enums', sources: 'gwr-water-level.h')
 gwr_deps = [
   dependency('gio-2.0', version: '>= 2.50'),
   dependency('gtk+-3.0', version: '>= 3.22'),
+  dependency('libnotify', version: '>= 0.7'),
 ]
 
 executable('gnome-water-reminder', gwr_sources, gwr_enums,