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