1 files changed, 55 insertions, 0 deletions
diff --git a/widget/gtk/WakeLockListener.h b/widget/gtk/WakeLockListener.h
new file mode 100644
index 0000000000..4f163434df
--- /dev/null
+++ b/widget/gtk/WakeLockListener.h
@@ -0,0 +1,55 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:expandtab:shiftwidth=2:tabstop=2:
+ */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef __WakeLockListener_h__
+#define __WakeLockListener_h__
+
+#include <unistd.h>
+
+#include "mozilla/StaticPtr.h"
+#include "nsHashKeys.h"
+#include "nsClassHashtable.h"
+
+#include "nsIDOMWakeLockListener.h"
+
+#ifdef MOZ_ENABLE_DBUS
+#  include "mozilla/DBusHelpers.h"
+#endif
+
+class WakeLockTopic;
+
+/**
+ * Receives WakeLock events and simply passes it on to the right WakeLockTopic
+ * to inhibit the screensaver.
+ */
+class WakeLockListener final : public nsIDOMMozWakeLockListener {
+ public:
+  NS_DECL_ISUPPORTS;
+
+  static WakeLockListener* GetSingleton(bool aCreate = true);
+  static void Shutdown();
+
+  virtual nsresult Callback(const nsAString& topic,
+                            const nsAString& state) override;
+
+ private:
+  WakeLockListener();
+  ~WakeLockListener() = default;
+
+  bool EnsureDBusConnection();
+
+  static mozilla::StaticRefPtr<WakeLockListener> sSingleton;
+
+#ifdef MOZ_ENABLE_DBUS
+  RefPtr<DBusConnection> mConnection;
+#endif
+  // Map of topic names to |WakeLockTopic|s.
+  // We assume a small, finite-sized set of topics.
+  nsClassHashtable<nsStringHashKey, WakeLockTopic> mTopics;
+};
+
+#endif  // __WakeLockListener_h__