vcl/inc/unx/screensaverinhibitor.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
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   9
  10 #ifndef INCLUDED_VCL_INC_UNX_SCREENSAVERINHIBITOR_HXX
  11 #define INCLUDED_VCL_INC_UNX_SCREENSAVERINHIBITOR_HXX
  12
  13 #include <X11/Xlib.h>
  14 #include <X11/Xmd.h>
  15
  16 #include <rtl/ustring.hxx>
  17 #include <vcl/dllapi.h>
  18
  19 #include <boost/optional.hpp>
  20
  21 class VCL_PLUGIN_PUBLIC ScreenSaverInhibitor
  22 {
  23 public:
  24     void inhibit( bool bInhibit, const OUString& sReason,
  25                   bool bIsX11, const boost::optional<unsigned int>& xid, boost::optional<Display*> pDisplay );
  26
  27 private:
  28     // These are all used as guint, however this header may be included
  29     // in kde/tde/etc backends, where we would ideally avoid having
  30     // any glib dependencies, hence the direct use of unsigned int.
  31     boost::optional<unsigned int> mnFDOCookie; // FDO ScreenSaver Inhibit
  32     boost::optional<unsigned int> mnFDOPMCookie; // FDO PowerManagement Inhibit
  33     boost::optional<unsigned int> mnGSMCookie;
  34     boost::optional<unsigned int> mnMSMCookie;
  35
  36     boost::optional<int> mnXScreenSaverTimeout;
  37
  38 #if !defined(__sun) && !defined(AIX)
  39     BOOL mbDPMSWasEnabled;
  40     CARD16 mnDPMSStandbyTimeout;
  41     CARD16 mnDPMSSuspendTimeout;
  42     CARD16 mnDPMSOffTimeout;
  43 #endif
  44
  45     // There are a bunch of different dbus based inhibition APIs. Some call
  46     // themselves ScreenSaver inhibition, some are PowerManagement inhibition,
  47     // but they appear to have the same effect. There doesn't appear to be one
  48     // all encompassing standard, hence we should just try all of them.
  49     //
  50     // The current APIs we have: (note: the list of supported environments is incomplete)
  51     // FDO: org.freedesktop.ScreenSaver::Inhibit - appears to be supported only by KDE?
  52     // FDOPM: org.freedesktop.PowerManagement.Inhibit::Inhibit - XFCE, (KDE) ?
  53     //        (KDE: doesn't inhibit screensaver, but does inhibit PowerManagement)
  54     // GSM: org.gnome.SessionManager::Inhibit - gnome 3
  55     // MSM: org.mate.Sessionmanager::Inhibit - Mate <= 1.10, is identical to GSM
  56     //       (This is replaced by the GSM interface from Mate 1.12 onwards)
  57     //
  58     // Note: the Uninhibit call has different spelling in FDO (UnInhibit) vs GSM (Uninhibit)
  59     void inhibitFDO( bool bInhibit, const char* appname, const char* reason );
  60     void inhibitFDOPM( bool bInhibit, const char* appname, const char* reason );
  61     void inhibitGSM( bool bInhibit, const char* appname, const char* reason, const unsigned int xid );
  62     void inhibitMSM( bool bInhibit, const char* appname, const char* reason, const unsigned int xid );
  63
  64     void inhibitXScreenSaver( bool bInhibit, Display* pDisplay );
  65     static void inhibitXAutoLock( bool bInhibit, Display* pDisplay );
  66     void inhibitDPMS( bool bInhibit, Display* pDisplay );
  67 };
  68
  69 #endif // INCLUDED_VCL_INC_UNX_SCREENSAVERINHIBITOR_HXX
  70
  71 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */