widget/gtk/WakeLockListener.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim:expandtab:shiftwidth=2:tabstop=2:
   3  */
   4 /* This Source Code Form is subject to the terms of the Mozilla Public
   5  * License, v. 2.0. If a copy of the MPL was not distributed with this
   6  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   7
   8 #ifndef __WakeLockListener_h__
   9 #define __WakeLockListener_h__
  10
  11 #include "nsHashKeys.h"
  12 #include "nsRefPtrHashtable.h"
  13
  14 #include "nsIDOMWakeLockListener.h"
  15
  16 class WakeLockTopic;
  17
  18 /**
  19  * Receives WakeLock events and simply passes it on to the right WakeLockTopic
  20  * to inhibit the screensaver.
  21  */
  22 class WakeLockListener final : public nsIDOMMozWakeLockListener {
  23  public:
  24   NS_DECL_ISUPPORTS;
  25
  26   nsresult Callback(const nsAString& topic, const nsAString& state) override;
  27
  28   WakeLockListener();
  29
  30  private:
  31   ~WakeLockListener();
  32
  33   // Map of topic names to |WakeLockTopic|s.
  34   // We assume a small, finite-sized set of topics.
  35   nsRefPtrHashtable<nsStringHashKey, WakeLockTopic> mTopics;
  36 };
  37
  38 #endif  // __WakeLockListener_h__