1 files changed, 103 insertions, 0 deletions
diff --git a/sd/source/ui/tools/IdleDetection.cxx b/sd/source/ui/tools/IdleDetection.cxx
new file mode 100644
index 0000000000..988bd849bf
--- /dev/null
+++ b/sd/source/ui/tools/IdleDetection.cxx
@@ -0,0 +1,103 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <tools/IdleDetection.hxx>
+
+#include <slideshow.hxx>
+#include <ViewShellBase.hxx>
+
+#include <vcl/window.hxx>
+#include <sfx2/viewfrm.hxx>
+
+#include <com/sun/star/frame/XFrame.hpp>
+#include <vcl/svapp.hxx>
+
+using namespace ::com::sun::star;
+
+namespace sd::tools {
+
+IdleState IdleDetection::GetIdleState (const vcl::Window* pWindow)
+{
+    IdleState nResult (CheckInputPending() | CheckSlideShowRunning());
+    if (pWindow != nullptr)
+        nResult |= CheckWindowPainting(*pWindow);
+    return nResult;
+}
+
+IdleState IdleDetection::CheckInputPending()
+{
+    if (Application::AnyInput(VclInputFlags::MOUSE | VclInputFlags::KEYBOARD | VclInputFlags::PAINT))
+        return IdleState::SystemEventPending;
+    else
+        return IdleState::Idle;
+}
+
+IdleState IdleDetection::CheckSlideShowRunning()
+{
+    IdleState eResult (IdleState::Idle);
+
+    // Iterate over all view frames.
+    for (SfxViewFrame* pViewFrame = SfxViewFrame::GetFirst();
+         pViewFrame!=nullptr;
+         pViewFrame = SfxViewFrame::GetNext(*pViewFrame))
+    {
+        // Ignore the current frame when it does not exist, is not valid, or
+        // is not active.
+        bool bIgnoreFrame (true);
+        uno::Reference<frame::XFrame> xFrame (pViewFrame->GetFrame().GetFrameInterface());
+        try
+        {
+            if (xFrame.is() && xFrame->isActive())
+                bIgnoreFrame = false;
+        }
+        catch (const uno::RuntimeException&)
+        {
+        }
+        if (bIgnoreFrame)
+            continue;
+
+        // Get sd::ViewShell from active frame.
+        ViewShellBase* pBase = ViewShellBase::GetViewShellBase(pViewFrame);
+        if (pBase != nullptr)
+        {
+            rtl::Reference< SlideShow > xSlideShow( SlideShow::GetSlideShow( *pBase ) );
+            if( xSlideShow.is() && xSlideShow->isRunning() )
+            {
+                if (xSlideShow->isFullScreen())
+                    eResult |= IdleState::FullScreenShowActive;
+                else
+                    eResult |= IdleState::WindowShowActive;
+            }
+        }
+    }
+
+    return eResult;
+}
+
+IdleState IdleDetection::CheckWindowPainting (const vcl::Window& rWindow)
+{
+    if (rWindow.IsInPaint())
+        return IdleState::WindowPainting;
+    else
+        return IdleState::Idle;
+}
+
+} // end of namespace ::sd::tools
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */