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+/* -*- 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 <DrawController.hxx>
+#include <ViewShellBase.hxx>
+#include <slideshow.hxx>
+#include "SlideShowRestarter.hxx"
+
+#include <comphelper/propertyvalue.hxx>
+#include <framework/ConfigurationController.hxx>
+#include <framework/FrameworkHelper.hxx>
+#include <sfx2/dispatch.hxx>
+#include <sfx2/viewfrm.hxx>
+#include <svx/svxids.hrc>
+#include <vcl/svapp.hxx>
+
+#include <functional>
+
+using namespace ::com::sun::star::uno;
+using namespace ::com::sun::star::lang;
+using ::sd::framework::FrameworkHelper;
+
+namespace sd {
+
+SlideShowRestarter::SlideShowRestarter (
+ const ::rtl::Reference<SlideShow>& rpSlideShow,
+ ViewShellBase* pViewShellBase)
+ : mnEventId(nullptr),
+ mpSlideShow(rpSlideShow),
+ mpViewShellBase(pViewShellBase),
+ mnDisplayCount(Application::GetScreenCount()),
+ mpDispatcher(pViewShellBase->GetViewFrame()->GetDispatcher()),
+ mnCurrentSlideNumber(0)
+{
+}
+
+SlideShowRestarter::~SlideShowRestarter()
+{
+}
+
+void SlideShowRestarter::Restart (bool bForce)
+{
+ // Prevent multiple and concurrently restarts.
+ if (mnEventId != nullptr)
+ return;
+
+ if (bForce)
+ mnDisplayCount = 0;
+
+ // Remember the current slide in order to restore it after the slide
+ // show has been restarted.
+ if (mpSlideShow.is())
+ mnCurrentSlideNumber = mpSlideShow->getCurrentPageNumber();
+
+ // Remember a shared pointer to this object to prevent its destruction
+ // before the whole restarting process has finished.
+ mpSelf = shared_from_this();
+
+ // We do not know in what situation this method was called. So, in
+ // order to be able to cleanly stop the presentation, we do that
+ // asynchronously.
+ mnEventId = Application::PostUserEvent(
+ LINK(this, SlideShowRestarter, EndPresentation));
+}
+
+IMPL_LINK_NOARG(SlideShowRestarter, EndPresentation, void*, void)
+{
+ mnEventId = nullptr;
+ if (!mpSlideShow.is())
+ return;
+
+ if (mnDisplayCount == static_cast<sal_Int32>(Application::GetScreenCount()))
+ return;
+
+ bool bIsExitAfterPresenting = mpSlideShow->IsExitAfterPresenting();
+ mpSlideShow->SetExitAfterPresenting(false);
+ mpSlideShow->end();
+ mpSlideShow->SetExitAfterPresenting(bIsExitAfterPresenting);
+
+ // The following piece of code should not be here because the
+ // slide show should be aware of the existence of the presenter
+ // console (which is displayed in the FullScreenPane). But the
+ // timing has to be right and I did not find a better place for
+ // it.
+
+ // Wait for the full screen pane, which displays the presenter
+ // console, to disappear. Only when it is gone, call
+ // InitiatePresenterStart(), in order to begin the asynchronous
+ // restart of the slide show.
+ if (mpViewShellBase == nullptr)
+ return;
+
+ ::std::shared_ptr<FrameworkHelper> pHelper(
+ FrameworkHelper::Instance(*mpViewShellBase));
+ if (pHelper->GetConfigurationController()->getResource(
+ FrameworkHelper::CreateResourceId(FrameworkHelper::msFullScreenPaneURL)).is())
+ {
+ ::sd::framework::ConfigurationController::Lock aLock (
+ pHelper->GetConfigurationController());
+
+ pHelper->RunOnConfigurationEvent(
+ FrameworkHelper::msConfigurationUpdateEndEvent,
+ ::std::bind(&SlideShowRestarter::StartPresentation, shared_from_this()));
+ pHelper->UpdateConfiguration();
+ }
+ else
+ {
+ StartPresentation();
+ }
+}
+
+void SlideShowRestarter::StartPresentation()
+{
+ //rhbz#1091117 crash because we're exiting the application, and this is
+ //being called during the configuration update event on exit. At this point
+ //newly created objects won't get disposed called on them, because the
+ //disposer is doing its last execution of that now.
+ if (mpViewShellBase && mpViewShellBase->GetDrawController().IsDisposing())
+ return;
+
+ if (mpDispatcher == nullptr && mpViewShellBase!=nullptr)
+ mpDispatcher = mpViewShellBase->GetViewFrame()->GetDispatcher();
+
+ // Start the slide show on the saved current slide.
+ if (mpDispatcher != nullptr)
+ {
+ mpDispatcher->Execute(SID_PRESENTATION, SfxCallMode::ASYNCHRON);
+ if (mpSlideShow.is())
+ {
+ Sequence aProperties{ comphelper::makePropertyValue("FirstPage",
+ "page" + OUString::number(mnCurrentSlideNumber+1)) };
+ mpSlideShow->startWithArguments(aProperties);
+ }
+ mpSelf.reset();
+ }
+}
+
+} // end of namespace sd
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */