157 lines
5.4 KiB
C++
157 lines
5.4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <DrawController.hxx>
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#include <ViewShellBase.hxx>
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#include <slideshow.hxx>
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#include "SlideShowRestarter.hxx"
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#include <comphelper/propertyvalue.hxx>
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#include <framework/ConfigurationController.hxx>
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#include <framework/FrameworkHelper.hxx>
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#include <sfx2/dispatch.hxx>
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#include <sfx2/viewfrm.hxx>
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#include <svx/svxids.hrc>
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#include <utility>
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#include <vcl/svapp.hxx>
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#include <functional>
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using namespace ::com::sun::star::uno;
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using namespace ::com::sun::star::lang;
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using ::sd::framework::FrameworkHelper;
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namespace sd {
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SlideShowRestarter::SlideShowRestarter (
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::rtl::Reference<SlideShow> pSlideShow,
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ViewShellBase* pViewShellBase)
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: mnEventId(nullptr),
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mpSlideShow(std::move(pSlideShow)),
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mpViewShellBase(pViewShellBase),
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mnDisplayCount(Application::GetScreenCount()),
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mpDispatcher(pViewShellBase->GetViewFrame().GetDispatcher()),
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mnCurrentSlideNumber(0)
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{
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}
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SlideShowRestarter::~SlideShowRestarter()
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{
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}
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void SlideShowRestarter::Restart (bool bForce)
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{
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// Prevent multiple and concurrently restarts.
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if (mnEventId != nullptr)
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return;
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if (bForce)
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mnDisplayCount = 0;
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// Remember the current slide in order to restore it after the slide
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// show has been restarted.
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if (mpSlideShow.is())
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mnCurrentSlideNumber = mpSlideShow->getCurrentPageNumber();
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// Remember a shared pointer to this object to prevent its destruction
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// before the whole restarting process has finished.
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mpSelf = shared_from_this();
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// We do not know in what situation this method was called. So, in
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// order to be able to cleanly stop the presentation, we do that
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// asynchronously.
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mnEventId = Application::PostUserEvent(
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LINK(this, SlideShowRestarter, EndPresentation));
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}
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IMPL_LINK_NOARG(SlideShowRestarter, EndPresentation, void*, void)
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{
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mnEventId = nullptr;
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if (!mpSlideShow.is())
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return;
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if (mnDisplayCount == static_cast<sal_Int32>(Application::GetScreenCount()))
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return;
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bool bIsExitAfterPresenting = mpSlideShow->IsExitAfterPresenting();
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mpSlideShow->SetExitAfterPresenting(false);
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mpSlideShow->end();
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mpSlideShow->SetExitAfterPresenting(bIsExitAfterPresenting);
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// The following piece of code should not be here because the
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// slide show should be aware of the existence of the presenter
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// console (which is displayed in the FullScreenPane). But the
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// timing has to be right and I did not find a better place for
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// it.
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// Wait for the full screen pane, which displays the presenter
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// console, to disappear. Only when it is gone, call
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// InitiatePresenterStart(), in order to begin the asynchronous
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// restart of the slide show.
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if (mpViewShellBase == nullptr)
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return;
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::std::shared_ptr<FrameworkHelper> pHelper(
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FrameworkHelper::Instance(*mpViewShellBase));
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if (pHelper->GetConfigurationController()->getResource(
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FrameworkHelper::CreateResourceId(FrameworkHelper::msFullScreenPaneURL)).is())
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{
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::sd::framework::ConfigurationController::Lock aLock (
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pHelper->GetConfigurationController());
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pHelper->RunOnConfigurationEvent(
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FrameworkHelper::msConfigurationUpdateEndEvent,
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::std::bind(&SlideShowRestarter::StartPresentation, shared_from_this()));
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pHelper->UpdateConfiguration();
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}
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else
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{
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StartPresentation();
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}
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}
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void SlideShowRestarter::StartPresentation()
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{
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//rhbz#1091117 crash because we're exiting the application, and this is
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//being called during the configuration update event on exit. At this point
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//newly created objects won't get disposed called on them, because the
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//disposer is doing its last execution of that now.
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if (mpViewShellBase && mpViewShellBase->GetDrawController()->IsDisposing())
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return;
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if (mpDispatcher == nullptr && mpViewShellBase!=nullptr)
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mpDispatcher = mpViewShellBase->GetViewFrame().GetDispatcher();
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// Start the slide show on the saved current slide.
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if (mpDispatcher != nullptr)
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{
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mpDispatcher->Execute(SID_PRESENTATION, SfxCallMode::ASYNCHRON);
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if (mpSlideShow.is())
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{
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Sequence aProperties{ comphelper::makePropertyValue(u"FirstPage"_ustr,
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"page" + OUString::number(mnCurrentSlideNumber+1)) };
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mpSlideShow->startWithArguments(aProperties);
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}
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mpSelf.reset();
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}
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}
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} // end of namespace sd
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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