office-gobmx/sd/source/console/PresenterViewFactory.cxx
Noel Grandin 4b1d750f9c use more concrete types in sd console
Change-Id: I5ac9d084616563ba3ae67ee040b4f52156baea67
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/146159
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
2023-01-26 10:05:41 +00:00

503 lines
15 KiB
C++

/* -*- 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 <DrawController.hxx>
#include <utility>
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 rtl::Reference<::sd::DrawController>& rxController,
::rtl::Reference<PresenterController> pPresenterController)
: PresenterViewFactoryInterfaceBase(m_aMutex),
mxComponentContext(rxContext),
mxControllerWeak(rxController),
mpPresenterController(std::move(pPresenterController))
{
}
Reference<drawing::framework::XResourceFactory> PresenterViewFactory::Create (
const Reference<uno::XComponentContext>& rxContext,
const rtl::Reference<::sd::DrawController>& 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 rtl::Reference<::sd::DrawController>& rxController)
{
try
{
// Get the configuration controller.
mxConfigurationController = rxController->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,
mxControllerWeak.get(),
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,
mxControllerWeak.get(),
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,
mxControllerWeak.get(),
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,
mxControllerWeak.get(),
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,
mxControllerWeak.get(),
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: */