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 #include <tools/IdleDetection.hxx>
  21
  22 #include <slideshow.hxx>
  23 #include <ViewShellBase.hxx>
  24
  25 #include <vcl/window.hxx>
  26 #include <sfx2/viewfrm.hxx>
  27
  28 #include <com/sun/star/frame/XFrame.hpp>
  29 #include <vcl/svapp.hxx>
  30
  31 using namespace ::com::sun::star;
  32
  33 namespace sd::tools {
  34
  35 IdleState IdleDetection::GetIdleState (const vcl::Window* pWindow)
  36 {
  37     IdleState nResult (CheckInputPending() | CheckSlideShowRunning());
  38     if (pWindow != nullptr)
  39         nResult |= CheckWindowPainting(*pWindow);
  40     return nResult;
  41 }
  42
  43 IdleState IdleDetection::CheckInputPending()
  44 {
  45     if (Application::AnyInput(VclInputFlags::MOUSE | VclInputFlags::KEYBOARD | VclInputFlags::PAINT))
  46         return IdleState::SystemEventPending;
  47     else
  48         return IdleState::Idle;
  49 }
  50
  51 IdleState IdleDetection::CheckSlideShowRunning()
  52 {
  53     IdleState eResult (IdleState::Idle);
  54
  55     // Iterate over all view frames.
  56     for (SfxViewFrame* pViewFrame = SfxViewFrame::GetFirst();
  57          pViewFrame!=nullptr;
  58          pViewFrame = SfxViewFrame::GetNext(*pViewFrame))
  59     {
  60         // Ignore the current frame when it does not exist, is not valid, or
  61         // is not active.
  62         bool bIgnoreFrame (true);
  63         uno::Reference<frame::XFrame> xFrame (pViewFrame->GetFrame().GetFrameInterface());
  64         try
  65         {
  66             if (xFrame.is() && xFrame->isActive())
  67                 bIgnoreFrame = false;
  68         }
  69         catch (const uno::RuntimeException&)
  70         {
  71         }
  72         if (bIgnoreFrame)
  73             continue;
  74
  75         // Get sd::ViewShell from active frame.
  76         ViewShellBase* pBase = ViewShellBase::GetViewShellBase(pViewFrame);
  77         if (pBase != nullptr)
  78         {
  79             rtl::Reference< SlideShow > xSlideShow( SlideShow::GetSlideShow( *pBase ) );
  80             if( xSlideShow.is() && xSlideShow->isRunning() && !xSlideShow->IsInteractiveSlideshow()) // IASS
  81             {
  82                 if (xSlideShow->isFullScreen())
  83                     eResult |= IdleState::FullScreenShowActive;
  84                 else
  85                     eResult |= IdleState::WindowShowActive;
  86             }
  87         }
  88     }
  89
  90     return eResult;
  91 }
  92
  93 IdleState IdleDetection::CheckWindowPainting (const vcl::Window& rWindow)
  94 {
  95     if (rWindow.IsInPaint())
  96         return IdleState::WindowPainting;
  97     else
  98         return IdleState::Idle;
  99 }
 100
 101 } // end of namespace ::sd::tools
 102
 103 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */