widget/qt/nsIdleServiceQt.h

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /* vim:expandtab:shiftwidth=4:tabstop=4:
   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 nsIdleServiceQt_h__
   9 #define nsIdleServiceQt_h__
  10
  11 #include "nsIdleService.h"
  12
  13 #if defined(MOZ_X11)
  14 #include <X11/Xlib.h>
  15 #include <X11/Xutil.h>
  16
  17 typedef struct {
  18     Window window;              // Screen saver window
  19     int state;                  // ScreenSaver(Off,On,Disabled)
  20     int kind;                   // ScreenSaver(Blanked,Internal,External)
  21     unsigned long til_or_since; // milliseconds since/til screensaver kicks in
  22     unsigned long idle;         // milliseconds idle
  23     unsigned long event_mask;   // event stuff
  24 } XScreenSaverInfo;
  25 #endif
  26
  27 class nsIdleServiceQt : public nsIdleService
  28 {
  29 public:
  30     NS_DECL_ISUPPORTS_INHERITED
  31
  32     bool PollIdleTime(uint32_t* aIdleTime);
  33
  34     static already_AddRefed<nsIdleServiceQt> GetInstance()
  35     {
  36         nsRefPtr<nsIdleServiceQt> idleService =
  37             nsIdleService::GetInstance().downcast<nsIdleServiceQt>();
  38         if (!idleService) {
  39             idleService = new nsIdleServiceQt();
  40         }
  41
  42         return idleService.forget();
  43     }
  44
  45 private:
  46 #if defined(MOZ_X11)
  47     XScreenSaverInfo* mXssInfo;
  48 #endif
  49
  50 protected:
  51     nsIdleServiceQt();
  52     virtual ~nsIdleServiceQt();
  53     bool UsePollMode();
  54 };
  55
  56 #endif // nsIdleServiceQt_h__