From a3021efe5f0b9b1a03d7e0e3f1ab1aeaebcf28ed Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marco=20Trevisan=20=28Trevi=C3=B1o=29?= <mail@3v1n0.net>
Date: Wed, 30 Sep 2015 01:57:40 +0200
Subject: GLibDBusNameWatcher: new wrapper class for monitoring DBus names

(bzr r4008.7.10)
---
 UnityCore/CMakeLists.txt          |  2 ++
 UnityCore/GLibDBusNameWatcher.cpp | 44 +++++++++++++++++++++++++++++++
 UnityCore/GLibDBusNameWatcher.h   | 54 +++++++++++++++++++++++++++++++++++++++
 3 files changed, 100 insertions(+)
 create mode 100644 UnityCore/GLibDBusNameWatcher.cpp
 create mode 100644 UnityCore/GLibDBusNameWatcher.h

(limited to 'UnityCore')

diff --git a/UnityCore/CMakeLists.txt b/UnityCore/CMakeLists.txt
index 92191c0d5..f055790d3 100644
--- a/UnityCore/CMakeLists.txt
+++ b/UnityCore/CMakeLists.txt
@@ -25,6 +25,7 @@ set (CORE_HEADERS
      Filter.h
      Filters.h
      GenericPreview.h
+     GLibDBusNameWatcher.h
      GLibDBusProxy.h
      GLibDBusServer.h
      GLibSignal.h
@@ -80,6 +81,7 @@ set (CORE_SOURCES
      Filter.cpp
      Filters.cpp
      GenericPreview.cpp
+     GLibDBusNameWatcher.cpp
      GLibDBusProxy.cpp
      GLibDBusServer.cpp
      GLibSignal.cpp
diff --git a/UnityCore/GLibDBusNameWatcher.cpp b/UnityCore/GLibDBusNameWatcher.cpp
new file mode 100644
index 000000000..92f311210
--- /dev/null
+++ b/UnityCore/GLibDBusNameWatcher.cpp
@@ -0,0 +1,44 @@
+// -*- Mode: C++; indent-tabs-mode: nil; tab-width: 2 -*-
+/*
+ * Copyright (C) 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 version 3 as
+ * published by the Free Software Foundation.
+ *
+ * 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/>.
+ *
+ * Authored by: Marco Trevisan (Treviño) <marco.trevisan@canonical.com>
+ */
+
+#include "GLibDBusNameWatcher.h"
+#include "GLibWrapper.h"
+
+namespace unity
+{
+namespace glib
+{
+
+DBusNameWatcher::DBusNameWatcher(std::string const& name, GBusType bus_type, GBusNameWatcherFlags flags)
+  : watcher_id_(g_bus_watch_name(bus_type, name.c_str(), flags,
+      [] (GDBusConnection *connection, const gchar *name, const gchar *name_owner, gpointer self) {
+        static_cast<DBusNameWatcher*>(self)->appeared.emit(gchar_to_string(name), gchar_to_string(name_owner));
+      },
+      [] (GDBusConnection *connection, const gchar *name, gpointer self) {
+        static_cast<DBusNameWatcher*>(self)->vanished.emit(gchar_to_string(name));
+      }, this, nullptr))
+{}
+
+DBusNameWatcher::~DBusNameWatcher()
+{
+  g_bus_unwatch_name(watcher_id_);
+}
+
+} // namespace glib
+} // namespace unity
diff --git a/UnityCore/GLibDBusNameWatcher.h b/UnityCore/GLibDBusNameWatcher.h
new file mode 100644
index 000000000..b5901d3d4
--- /dev/null
+++ b/UnityCore/GLibDBusNameWatcher.h
@@ -0,0 +1,54 @@
+// -*- Mode: C++; indent-tabs-mode: nil; tab-width: 2 -*-
+/*
+ * Copyright (C) 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 version 3 as
+ * published by the Free Software Foundation.
+ *
+ * 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/>.
+ *
+ * Authored by: Marco Trevisan (Treviño) <marco.trevisan@canonical.com>
+ */
+
+#ifndef UNITY_GLIB_DBUS_NAME_WATCHER_H
+#define UNITY_GLIB_DBUS_NAME_WATCHER_H
+
+#include <gio/gio.h>
+#include <memory>
+#include <sigc++/signal.h>
+
+namespace unity
+{
+namespace glib
+{
+
+class DBusNameWatcher
+{
+public:
+  typedef std::shared_ptr<DBusNameWatcher> Ptr;
+
+  DBusNameWatcher(std::string const& name, GBusType bus_type = G_BUS_TYPE_SESSION, GBusNameWatcherFlags flags = G_BUS_NAME_WATCHER_FLAGS_NONE);
+  virtual ~DBusNameWatcher();
+
+  sigc::signal<void, std::string const& /* name*/, std::string const& /* name owner*/> appeared;
+  sigc::signal<void, std::string const& /* name */> vanished;
+
+private:
+  // not copyable class
+  DBusNameWatcher(DBusNameWatcher const&) = delete;
+  DBusNameWatcher& operator=(DBusNameWatcher const&) = delete;
+
+  uint32_t watcher_id_;
+};
+
+} // namespace glib
+} // namespace unity
+
+#endif //UNITY_GLIB_DBUS_NAME_WATCHER_H
-- 
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