sd/source/ui/tools/IdleDetection.cxx

   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
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20
  21 #include "tools/IdleDetection.hxx"
  22
  23 #include "ViewShell.hxx"
  24 #include "slideshow.hxx"
  25 #include "ViewShellBase.hxx"
  26
  27 #include <vcl/window.hxx>
  28 #include <sfx2/viewfrm.hxx>
  29
  30 #include <com/sun/star/frame/XFrame.hpp>
  31 #include <vcl/svapp.hxx>
  32
  33 using namespace ::com::sun::star;
  34
  35 namespace sd { namespace tools {
  36
  37
  38 sal_Int32 IdleDetection::GetIdleState (const ::Window* pWindow)
  39 {
  40     sal_Int32 nResult (CheckInputPending() | CheckSlideShowRunning());
  41     if (pWindow != NULL)
  42         nResult |= CheckWindowPainting(*pWindow);
  43     return nResult;
  44 }
  45
  46
  47
  48
  49 sal_Int32 IdleDetection::CheckInputPending (void)
  50 {
  51     if (GetpApp()->AnyInput(VCL_INPUT_MOUSE | VCL_INPUT_KEYBOARD | VCL_INPUT_PAINT))
  52         return IDET_SYSTEM_EVENT_PENDING;
  53     else
  54         return IDET_IDLE;
  55 }
  56
  57
  58
  59
  60 sal_Int32 IdleDetection::CheckSlideShowRunning (void)
  61 {
  62     sal_Int32 eResult (IDET_IDLE);
  63
  64     bool bIsSlideShowShowing = false;
  65
  66     // Iterate over all view frames.
  67     SfxViewFrame* pViewFrame = SfxViewFrame::GetFirst();
  68     for (pViewFrame = SfxViewFrame::GetFirst();
  69          pViewFrame!=NULL && !bIsSlideShowShowing;
  70          pViewFrame = SfxViewFrame::GetNext(*pViewFrame))
  71     {
  72         // Ignore the current frame when it does not exist, is not valid, or
  73         // is not active.
  74         bool bIgnoreFrame (true);
  75         uno::Reference<frame::XFrame> xFrame (pViewFrame->GetFrame().GetFrameInterface());
  76         try
  77         {
  78             if (xFrame.is() && xFrame->isActive())
  79                 bIgnoreFrame = false;
  80         }
  81         catch (const uno::RuntimeException&)
  82         {
  83         }
  84         if (bIgnoreFrame)
  85             continue;
  86
  87         // Get sd::ViewShell from active frame.
  88         ViewShellBase* pBase = ViewShellBase::GetViewShellBase(pViewFrame);
  89         if (pBase != NULL)
  90         {
  91             rtl::Reference< SlideShow > xSlideShow( SlideShow::GetSlideShow( *pBase ) );
  92             if( xSlideShow.is() && xSlideShow->isRunning() )
  93             {
  94                 if (xSlideShow->isFullScreen())
  95                     eResult |= IDET_FULL_SCREEN_SHOW_ACTIVE;
  96                 else
  97                     eResult |= IDET_WINDOW_SHOW_ACTIVE;
  98             }
  99         }
 100     }
 101
 102     return eResult;
 103 }
 104
 105
 106
 107
 108 sal_Int32 IdleDetection::CheckWindowPainting (const ::Window& rWindow)
 109 {
 110     if (rWindow.IsInPaint())
 111         return IDET_WINDOW_PAINTING;
 112     else
 113         return IDET_IDLE;
 114 }
 115
 116 } } // end of namespace ::sd::tools
 117
 118 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */