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/* -*- 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__
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