diff options
Diffstat (limited to 'sd/source/ui/slideshow/SlideShowRestarter.cxx')
| -rw-r--r-- | sd/source/ui/slideshow/SlideShowRestarter.cxx | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/sd/source/ui/slideshow/SlideShowRestarter.cxx b/sd/source/ui/slideshow/SlideShowRestarter.cxx new file mode 100644 index 000000000000..70e42801793d --- /dev/null +++ b/sd/source/ui/slideshow/SlideShowRestarter.cxx @@ -0,0 +1,187 @@ +/* -*- 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: */ |