Be more selective about when to show and dismiss the High Volume Warning Dialog. Fixes: #1504065

Approved by: PS Jenkins bot, Xavi Garcia

1 files changed, 70 insertions, 0 deletions

diff --git a/src/notification.vala b/src/notification.vala
new file mode 100644
index 0000000..3a3060f
--- /dev/null
+++ b/src/notification.vala
@@ -0,0 +1,70 @@
+/*
+ * Copyright 2015 Canonical Ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 3.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Authors:
+ *      Charles Kerr <charles.kerr@canonical.com>
+ */
+
+public abstract class IndicatorSound.Notification: Object
+{
+	public Notification () {
+		BusWatcher.watch_namespace (
+			GLib.BusType.SESSION,
+			"org.freedesktop.Notifications",
+			() => { debug ("Notifications name appeared"); },
+			() => { debug ("Notifications name vanshed"); _server_caps = null; });
+
+		_notification = create_notification ();
+	}
+
+	public void close () {
+		var n = _notification;
+
+		return_if_fail (n != null);
+
+		if (n.id != 0) {
+			try {
+				n.close ();
+			} catch (GLib.Error e) {
+				GLib.warning ("Unable to close notification: %s", e.message);
+			}
+		}
+	}
+
+	~Notification () {
+		close ();
+	}
+
+	protected abstract Notify.Notification create_notification ();
+
+	protected void show_notification () {
+		try {
+			_notification.show ();
+		} catch (GLib.Error e) {
+			GLib.warning ("Unable to show notification: %s", e.message);
+		}
+	}
+
+	protected bool notify_server_supports (string cap) {
+		if (_server_caps == null)
+			_server_caps = Notify.get_server_caps ();
+
+		return _server_caps.find_custom (cap, strcmp) != null;
+	}
+
+	protected Notify.Notification _notification = null;
+
+	private static List<string> _server_caps = null;
+}