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| -rw-r--r-- | sdext/source/presenter/PresenterViewFactory.cxx | 503 |
1 files changed, 503 insertions, 0 deletions
diff --git a/sdext/source/presenter/PresenterViewFactory.cxx b/sdext/source/presenter/PresenterViewFactory.cxx new file mode 100644 index 000000000..7c7f8c98b --- /dev/null +++ b/sdext/source/presenter/PresenterViewFactory.cxx @@ -0,0 +1,503 @@ +/* -*- 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 "PresenterViewFactory.hxx" +#include "PresenterPaneContainer.hxx" +#include "PresenterHelpView.hxx" +#include "PresenterNotesView.hxx" +#include "PresenterSlideShowView.hxx" +#include "PresenterSlidePreview.hxx" +#include "PresenterSlideSorter.hxx" +#include "PresenterToolBar.hxx" +#include <com/sun/star/drawing/framework/XControllerManager.hpp> + +using namespace ::com::sun::star; +using namespace ::com::sun::star::uno; +using namespace ::com::sun::star::drawing::framework; + +namespace sdext::presenter { + +namespace { + +/** By default the PresenterSlidePreview shows the preview of the current + slide. This adapter class makes it display the preview of the next + slide. +*/ +class NextSlidePreview : public PresenterSlidePreview +{ +public: + NextSlidePreview ( + const css::uno::Reference<css::uno::XComponentContext>& rxContext, + const css::uno::Reference<css::drawing::framework::XResourceId>& rxViewId, + const css::uno::Reference<css::drawing::framework::XPane>& rxAnchorPane, + const ::rtl::Reference<PresenterController>& rpPresenterController) + : PresenterSlidePreview(rxContext, rxViewId, rxAnchorPane, rpPresenterController) + { + } + + virtual void SAL_CALL setCurrentPage ( + const css::uno::Reference<css::drawing::XDrawPage>& rxSlide) override + { + Reference<presentation::XSlideShowController> xSlideShowController ( + mpPresenterController->GetSlideShowController()); + Reference<drawing::XDrawPage> xSlide; + if (xSlideShowController.is()) + { + const sal_Int32 nCount (xSlideShowController->getSlideCount()); + sal_Int32 nNextSlideIndex (-1); + if (xSlideShowController->getCurrentSlide() == rxSlide) + { + nNextSlideIndex = xSlideShowController->getNextSlideIndex(); + } + else + { + for (sal_Int32 nIndex=0; nIndex<nCount; ++nIndex) + { + if (rxSlide == xSlideShowController->getSlideByIndex(nIndex)) + { + nNextSlideIndex = nIndex + 1; + } + } + } + if (nNextSlideIndex >= 0) + { + if (nNextSlideIndex < nCount) + { + xSlide = xSlideShowController->getSlideByIndex(nNextSlideIndex); + } + } + } + PresenterSlidePreview::setCurrentPage(xSlide); + } +}; + +} // end of anonymous namespace + +//===== PresenterViewFactory ============================================== + +PresenterViewFactory::PresenterViewFactory ( + const Reference<uno::XComponentContext>& rxContext, + const Reference<frame::XController>& rxController, + const ::rtl::Reference<PresenterController>& rpPresenterController) + : PresenterViewFactoryInterfaceBase(m_aMutex), + mxComponentContext(rxContext), + mxControllerWeak(rxController), + mpPresenterController(rpPresenterController) +{ +} + +Reference<drawing::framework::XResourceFactory> PresenterViewFactory::Create ( + const Reference<uno::XComponentContext>& rxContext, + const Reference<frame::XController>& rxController, + const ::rtl::Reference<PresenterController>& rpPresenterController) +{ + rtl::Reference<PresenterViewFactory> pFactory ( + new PresenterViewFactory(rxContext,rxController,rpPresenterController)); + pFactory->Register(rxController); + return Reference<drawing::framework::XResourceFactory>(pFactory); +} + +void PresenterViewFactory::Register (const Reference<frame::XController>& rxController) +{ + try + { + // Get the configuration controller. + Reference<XControllerManager> xCM (rxController, UNO_QUERY_THROW); + mxConfigurationController = xCM->getConfigurationController(); + if ( ! mxConfigurationController.is()) + { + throw RuntimeException(); + } + mxConfigurationController->addResourceFactory(msCurrentSlidePreviewViewURL, this); + mxConfigurationController->addResourceFactory(msNextSlidePreviewViewURL, this); + mxConfigurationController->addResourceFactory(msNotesViewURL, this); + mxConfigurationController->addResourceFactory(msToolBarViewURL, this); + mxConfigurationController->addResourceFactory(msSlideSorterURL, this); + mxConfigurationController->addResourceFactory(msHelpViewURL, this); + } + catch (RuntimeException&) + { + OSL_ASSERT(false); + if (mxConfigurationController.is()) + mxConfigurationController->removeResourceFactoryForReference(this); + mxConfigurationController = nullptr; + + throw; + } +} + +PresenterViewFactory::~PresenterViewFactory() +{ +} + +void SAL_CALL PresenterViewFactory::disposing() +{ + if (mxConfigurationController.is()) + mxConfigurationController->removeResourceFactoryForReference(this); + mxConfigurationController = nullptr; + + if (mpResourceCache == nullptr) + return; + + // Dispose all views in the cache. + for (const auto& rView : *mpResourceCache) + { + try + { + Reference<lang::XComponent> xComponent (rView.second.first, UNO_QUERY); + if (xComponent.is()) + xComponent->dispose(); + } + catch (lang::DisposedException&) + { + } + } + mpResourceCache.reset(); +} + +//----- XViewFactory ---------------------------------------------------------- + +Reference<XResource> SAL_CALL PresenterViewFactory::createResource ( + const Reference<XResourceId>& rxViewId) +{ + ThrowIfDisposed(); + + Reference<XResource> xView; + + if (rxViewId.is()) + { + Reference<XPane> xAnchorPane ( + mxConfigurationController->getResource(rxViewId->getAnchor()), + UNO_QUERY_THROW); + xView = GetViewFromCache(rxViewId, xAnchorPane); + if (xView == nullptr) + xView = CreateView(rxViewId, xAnchorPane); + + // Activate the view. + PresenterPaneContainer::SharedPaneDescriptor pDescriptor ( + mpPresenterController->GetPaneContainer()->FindPaneId(rxViewId->getAnchor())); + if (pDescriptor) + pDescriptor->SetActivationState(true); + } + + return xView; +} + +void SAL_CALL PresenterViewFactory::releaseResource (const Reference<XResource>& rxView) +{ + ThrowIfDisposed(); + + if ( ! rxView.is()) + return; + + // Deactivate the view. + PresenterPaneContainer::SharedPaneDescriptor pDescriptor ( + mpPresenterController->GetPaneContainer()->FindPaneId( + rxView->getResourceId()->getAnchor())); + if (pDescriptor) + pDescriptor->SetActivationState(false); + + // Dispose only views that we can not put into the cache. + CachablePresenterView* pView = dynamic_cast<CachablePresenterView*>(rxView.get()); + if (pView == nullptr || mpResourceCache == nullptr) + { + try + { + if (pView != nullptr) + pView->ReleaseView(); + Reference<lang::XComponent> xComponent (rxView, UNO_QUERY); + if (xComponent.is()) + xComponent->dispose(); + } + catch (lang::DisposedException&) + { + // Do not let disposed exceptions get out. It might be interpreted + // as coming from the factory, which would then be removed from the + // drawing framework. + } + } + else + { + // Put cacheable views in the cache. + Reference<XResourceId> xViewId (rxView->getResourceId()); + if (xViewId.is()) + { + Reference<XPane> xAnchorPane ( + mxConfigurationController->getResource(xViewId->getAnchor()), + UNO_QUERY_THROW); + (*mpResourceCache)[xViewId->getResourceURL()] + = ViewResourceDescriptor(Reference<XView>(rxView, UNO_QUERY), xAnchorPane); + pView->DeactivatePresenterView(); + } + } +} + + +Reference<XResource> PresenterViewFactory::GetViewFromCache( + const Reference<XResourceId>& rxViewId, + const Reference<XPane>& rxAnchorPane) const +{ + if (mpResourceCache == nullptr) + return nullptr; + + try + { + const OUString sResourceURL (rxViewId->getResourceURL()); + + // Can we use a view from the cache? + ResourceContainer::const_iterator iView (mpResourceCache->find(sResourceURL)); + if (iView != mpResourceCache->end()) + { + // The view is in the container but it can only be used if + // the anchor pane is the same now as it was at creation of + // the view. + if (iView->second.second == rxAnchorPane) + { + CachablePresenterView* pView + = dynamic_cast<CachablePresenterView*>(iView->second.first.get()); + if (pView != nullptr) + pView->ActivatePresenterView(); + return iView->second.first; + } + + // Right view, wrong pane. Create a new view. + } + } + catch (RuntimeException&) + { + } + return nullptr; +} + +Reference<XResource> PresenterViewFactory::CreateView( + const Reference<XResourceId>& rxViewId, + const Reference<XPane>& rxAnchorPane) +{ + Reference<XView> xView; + + try + { + const OUString sResourceURL (rxViewId->getResourceURL()); + + if (sResourceURL == msCurrentSlidePreviewViewURL) + { + xView = CreateSlideShowView(rxViewId); + } + else if (sResourceURL == msNotesViewURL) + { + xView = CreateNotesView(rxViewId); + } + else if (sResourceURL == msNextSlidePreviewViewURL) + { + xView = CreateSlidePreviewView(rxViewId, rxAnchorPane); + } + else if (sResourceURL == msToolBarViewURL) + { + xView = CreateToolBarView(rxViewId); + } + else if (sResourceURL == msSlideSorterURL) + { + xView = CreateSlideSorterView(rxViewId); + } + else if (sResourceURL == msHelpViewURL) + { + xView = CreateHelpView(rxViewId); + } + + // Activate it. + CachablePresenterView* pView = dynamic_cast<CachablePresenterView*>(xView.get()); + if (pView != nullptr) + pView->ActivatePresenterView(); + } + catch (RuntimeException&) + { + xView = nullptr; + } + + return xView; +} + +Reference<XView> PresenterViewFactory::CreateSlideShowView( + const Reference<XResourceId>& rxViewId) const +{ + Reference<XView> xView; + + if ( ! mxConfigurationController.is()) + return xView; + if ( ! mxComponentContext.is()) + return xView; + + try + { + rtl::Reference<PresenterSlideShowView> pShowView ( + new PresenterSlideShowView( + mxComponentContext, + rxViewId, + Reference<frame::XController>(mxControllerWeak), + mpPresenterController)); + pShowView->LateInit(); + xView = pShowView; + } + catch (RuntimeException&) + { + xView = nullptr; + } + + return xView; +} + +Reference<XView> PresenterViewFactory::CreateSlidePreviewView( + const Reference<XResourceId>& rxViewId, + const Reference<XPane>& rxAnchorPane) const +{ + Reference<XView> xView; + + if ( ! mxConfigurationController.is()) + return xView; + if ( ! mxComponentContext.is()) + return xView; + + try + { + xView.set( + static_cast<XWeak*>(new NextSlidePreview( + mxComponentContext, + rxViewId, + rxAnchorPane, + mpPresenterController)), + UNO_QUERY_THROW); + } + catch (RuntimeException&) + { + xView = nullptr; + } + + return xView; +} + +Reference<XView> PresenterViewFactory::CreateToolBarView( + const Reference<XResourceId>& rxViewId) const +{ + return new PresenterToolBarView( + mxComponentContext, + rxViewId, + Reference<frame::XController>(mxControllerWeak), + mpPresenterController); +} + +Reference<XView> PresenterViewFactory::CreateNotesView( + const Reference<XResourceId>& rxViewId) const +{ + Reference<XView> xView; + + if ( ! mxConfigurationController.is()) + return xView; + if ( ! mxComponentContext.is()) + return xView; + + try + { + xView.set(static_cast<XWeak*>( + new PresenterNotesView( + mxComponentContext, + rxViewId, + Reference<frame::XController>(mxControllerWeak), + mpPresenterController)), + UNO_QUERY_THROW); + } + catch (RuntimeException&) + { + xView = nullptr; + } + + return xView; +} + +Reference<XView> PresenterViewFactory::CreateSlideSorterView( + const Reference<XResourceId>& rxViewId) const +{ + Reference<XView> xView; + + if ( ! mxConfigurationController.is()) + return xView; + if ( ! mxComponentContext.is()) + return xView; + + try + { + rtl::Reference<PresenterSlideSorter> pView ( + new PresenterSlideSorter( + mxComponentContext, + rxViewId, + Reference<frame::XController>(mxControllerWeak), + mpPresenterController)); + xView = pView.get(); + } + catch (RuntimeException&) + { + xView = nullptr; + } + + return xView; +} + +Reference<XView> PresenterViewFactory::CreateHelpView( + const Reference<XResourceId>& rxViewId) const +{ + return Reference<XView>(new PresenterHelpView( + mxComponentContext, + rxViewId, + Reference<frame::XController>(mxControllerWeak), + mpPresenterController)); +} + +void PresenterViewFactory::ThrowIfDisposed() const +{ + if (rBHelper.bDisposed || rBHelper.bInDispose) + { + throw lang::DisposedException ( + "PresenterViewFactory object has already been disposed", + const_cast<uno::XWeak*>(static_cast<const uno::XWeak*>(this))); + } +} + +//===== CachablePresenterView ================================================= + +CachablePresenterView::CachablePresenterView() + : mbIsPresenterViewActive(true) +{ +} + +void CachablePresenterView::ActivatePresenterView() +{ + mbIsPresenterViewActive = true; +} + +void CachablePresenterView::DeactivatePresenterView() +{ + mbIsPresenterViewActive = false; +} + +void CachablePresenterView::ReleaseView() +{ +} + +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |