nsUserIdleServiceGTK.h

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* vim:expandtab:shiftwidth=4:tabstop=4:

*/

/* 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 nsUserIdleServiceGTK_h__

#define nsUserIdleServiceGTK_h__

#include "nsUserIdleService.h"

#include "mozilla/AppShutdown.h"

#include "mozilla/UniquePtr.h"

class nsUserIdleServiceGTK;

class UserIdleServiceImpl {

 public:

  explicit UserIdleServiceImpl(nsUserIdleServiceGTK* aUserIdleService)

      : mUserIdleServiceGTK(aUserIdleService){};

  virtual bool PollIdleTime(uint32_t* aIdleTime) = 0;

  virtual bool ProbeImplementation() = 0;

  virtual ~UserIdleServiceImpl() = default;

 protected:

  nsUserIdleServiceGTK* mUserIdleServiceGTK;

};

#define IDLE_SERVICE_MUTTER 0

#define IDLE_SERVICE_XSCREENSAVER 1

#define IDLE_SERVICE_NONE 2

class nsUserIdleServiceGTK : public nsUserIdleService {

 public:

  NS_INLINE_DECL_REFCOUNTING_INHERITED(nsUserIdleServiceGTK, nsUserIdleService)

  // The idle time in ms

  virtual bool PollIdleTime(uint32_t* aIdleTime) override;

  static already_AddRefed<nsUserIdleServiceGTK> GetInstance() {

    RefPtr<nsUserIdleServiceGTK> idleService =

        nsUserIdleService::GetInstance().downcast<nsUserIdleServiceGTK>();

    if (!idleService) {

      // Avoid late instantiation or resurrection during shutdown.

      if (mozilla::AppShutdown::IsInOrBeyond(

              mozilla::ShutdownPhase::AppShutdownConfirmed)) {

        return nullptr;

      idleService = new nsUserIdleServiceGTK();

      idleService->ProbeService();

    return idleService.forget();

  void ProbeService();

  void AcceptServiceCallback();

  void RejectAndTryNextServiceCallback();

 protected:

  nsUserIdleServiceGTK() = default;

 private:

  ~nsUserIdleServiceGTK() = default;

  mozilla::UniquePtr<UserIdleServiceImpl> mIdleService;

#ifdef MOZ_ENABLE_DBUS

  int mIdleServiceType = IDLE_SERVICE_MUTTER;

#else

  int mIdleServiceType = IDLE_SERVICE_XSCREENSAVER;

#endif

  // We have a working idle service.

  bool mIdleServiceInitialized = false;

};

#endif  // nsUserIdleServiceGTK_h__