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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#include "precompiled_sd.hxx"
#include "SlideShowRestarter.hxx"
#include "framework/ConfigurationController.hxx"
#include "framework/FrameworkHelper.hxx"
#include <comphelper/processfactory.hxx>
#include <sfx2/dispatch.hxx>
#include <sfx2/viewfrm.hxx>
#include <svx/svxids.hrc>
#include <vcl/svapp.hxx>
#include <boost/bind.hpp>
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::lang;
using ::rtl::OUString;
using ::sd::framework::FrameworkHelper;
#define C2U(x) OUString( RTL_CONSTASCII_USTRINGPARAM(x) )
namespace sd {
SlideShowRestarter::SlideShowRestarter (
const ::rtl::Reference<SlideShow>& rpSlideShow,
ViewShellBase* pViewShellBase)
: mnEventId(0),
mpSlideShow(rpSlideShow),
mpViewShellBase(pViewShellBase),
mnDisplayCount(GetDisplayCount()),
mpDispatcher(pViewShellBase->GetViewFrame()->GetDispatcher()),
mnCurrentSlideNumber(0)
{
}
SlideShowRestarter::~SlideShowRestarter (void)
{
}
void SlideShowRestarter::Restart (void)
{
// Prevent multiple and concurrently restarts.
if (mnEventId != 0)
return;
// 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));
}
sal_Int32 SlideShowRestarter::GetDisplayCount (void)
{
const Reference<XComponentContext> xContext (
::comphelper::getProcessComponentContext() );
Reference<XMultiComponentFactory> xFactory (
xContext->getServiceManager(), UNO_QUERY);
if ( ! xFactory.is())
return 0;
Reference<com::sun::star::container::XIndexAccess> xIndexAccess (
xFactory->createInstanceWithContext(C2U("com.sun.star.awt.DisplayAccess"),xContext),
UNO_QUERY);
if ( ! xIndexAccess.is())
return 0;
return xIndexAccess->getCount();
}
IMPL_LINK(SlideShowRestarter, EndPresentation, void*, EMPTYARG)
{
mnEventId = 0;
if (mpSlideShow.is())
{
if (mnDisplayCount!=GetDisplayCount())
{
mpSlideShow->end();
// 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 != NULL)
{
::boost::shared_ptr<FrameworkHelper> pHelper(
FrameworkHelper::Instance(*mpViewShellBase));
if (pHelper->GetConfigurationController()->getResource(
pHelper->CreateResourceId(FrameworkHelper::msFullScreenPaneURL)).is())
{
::sd::framework::ConfigurationController::Lock aLock (
pHelper->GetConfigurationController());
pHelper->RunOnConfigurationEvent(
FrameworkHelper::msConfigurationUpdateEndEvent,
::boost::bind(&SlideShowRestarter::StartPresentation, shared_from_this()));
pHelper->UpdateConfiguration();
}
else
{
StartPresentation();
}
}
}
}
return 0;
}
void SlideShowRestarter::StartPresentation (void)
{
if (mpDispatcher == NULL && mpViewShellBase!=NULL)
mpDispatcher = mpViewShellBase->GetViewFrame()->GetDispatcher();
// Start the slide show on the saved current slide.
if (mpDispatcher != NULL)
{
mpDispatcher->Execute(SID_PRESENTATION, SFX_CALLMODE_ASYNCHRON);
if (mpSlideShow.is())
{
Sequence<css::beans::PropertyValue> aProperties (1);
aProperties[0].Name = C2U("FirstPage");
aProperties[0].Value <<= C2U("page") + OUString::valueOf(mnCurrentSlideNumber+1);
mpSlideShow->startWithArguments(aProperties);
}
mpSelf.reset();
}
}
} // end of namespace sd
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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