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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 <utility>
#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 (
::rtl::Reference<SlideShow> pSlideShow,
ViewShellBase* pViewShellBase)
: mnEventId(nullptr),
mpSlideShow(std::move(pSlideShow)),
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(u"FirstPage"_ustr,
"page" + OUString::number(mnCurrentSlideNumber+1)) };
mpSlideShow->startWithArguments(aProperties);
}
mpSelf.reset();
}
}
} // end of namespace sd
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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