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+/* -*- 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 <comphelper/processfactory.hxx>
+#include <comphelper/diagnose_ex.hxx>
+#include <com/sun/star/awt/MouseButton.hpp>
+#include <com/sun/star/awt/SystemPointer.hpp>
+#include <com/sun/star/system/SystemShellExecute.hpp>
+#include <com/sun/star/system/SystemShellExecuteFlags.hpp>
+#include <com/sun/star/system/XSystemShellExecute.hpp>
+#include <svx/ImageMapInfo.hxx>
+
+#include "shapemanagerimpl.hxx"
+
+#include <functional>
+#include <utility>
+
+using namespace css;
+using namespace css::uno;
+using namespace css::drawing;
+using namespace css::system;
+
+namespace slideshow::internal {
+
+ShapeManagerImpl::ShapeManagerImpl( EventMultiplexer& rMultiplexer,
+ LayerManagerSharedPtr xLayerManager,
+ CursorManager& rCursorManager,
+ const ShapeEventListenerMap& rGlobalListenersMap,
+ const ShapeCursorMap& rGlobalCursorMap,
+ const Reference<XDrawPage>& xDrawPage ):
+ mrMultiplexer(rMultiplexer),
+ mpLayerManager(std::move(xLayerManager)),
+ mrCursorManager(rCursorManager),
+ mrGlobalListenersMap(rGlobalListenersMap),
+ mrGlobalCursorMap(rGlobalCursorMap),
+ maShapeListenerMap(),
+ maShapeCursorMap(),
+ maHyperlinkShapes(),
+ mbEnabled(false),
+ mxDrawPage(xDrawPage)
+{
+}
+
+void ShapeManagerImpl::activate()
+{
+ if( mbEnabled )
+ return;
+
+ mbEnabled = true;
+
+ // register this handler on EventMultiplexer.
+ // Higher prio (overrides other engine handlers)
+ mrMultiplexer.addMouseMoveHandler( shared_from_this(), 2.0 );
+ mrMultiplexer.addClickHandler( shared_from_this(), 2.0 );
+ mrMultiplexer.addShapeListenerHandler( shared_from_this() );
+
+ // clone listener map
+ for( const auto& rListener : mrGlobalListenersMap )
+ listenerAdded( rListener.first );
+
+ // clone cursor map
+ for( const auto& rListener : mrGlobalCursorMap )
+ cursorChanged( rListener.first, rListener.second );
+
+ if( mpLayerManager )
+ mpLayerManager->activate();
+}
+
+void ShapeManagerImpl::deactivate()
+{
+ if( !mbEnabled )
+ return;
+
+ mbEnabled = false;
+
+ if( mpLayerManager )
+ mpLayerManager->deactivate();
+
+ maShapeListenerMap.clear();
+ maShapeCursorMap.clear();
+
+ mrMultiplexer.removeShapeListenerHandler( shared_from_this() );
+ mrMultiplexer.removeMouseMoveHandler( shared_from_this() );
+ mrMultiplexer.removeClickHandler( shared_from_this() );
+}
+
+void ShapeManagerImpl::dispose()
+{
+ // remove listeners (EventMultiplexer holds shared_ptr on us)
+ deactivate();
+
+ maHyperlinkShapes.clear();
+ maShapeCursorMap.clear();
+ maShapeListenerMap.clear();
+ mpLayerManager.reset();
+}
+
+bool ShapeManagerImpl::handleMousePressed( awt::MouseEvent const& )
+{
+ // not used here
+ return false; // did not handle the event
+}
+
+bool ShapeManagerImpl::handleMouseReleased( awt::MouseEvent const& e )
+{
+ if( !mbEnabled || e.Buttons != awt::MouseButton::LEFT)
+ return false;
+
+ basegfx::B2DPoint const aPosition( e.X, e.Y );
+
+ // first check for hyperlinks, because these have
+ // highest prio:
+ OUString const hyperlink( checkForHyperlink(aPosition) );
+ if( !hyperlink.isEmpty() )
+ {
+ mrMultiplexer.notifyHyperlinkClicked(hyperlink);
+ return true; // event consumed
+ }
+
+ // tdf#74045 Handle ImageMaps
+ OUString const imageMapLink(checkForImageMap(e));
+ if (!imageMapLink.isEmpty())
+ {
+ Reference<XSystemShellExecute> exec(
+ SystemShellExecute::create(comphelper::getProcessComponentContext()));
+ exec->execute(imageMapLink, OUString(), SystemShellExecuteFlags::URIS_ONLY);
+
+ return true;
+ }
+
+ // find matching shape (scan reversely, to coarsely match
+ // paint order)
+ auto aCurrBroadcaster = std::find_if(maShapeListenerMap.rbegin(), maShapeListenerMap.rend(),
+ [&aPosition](const ShapeToListenersMap::value_type& rBroadcaster) {
+ // TODO(F2): Get proper geometry polygon from the
+ // shape, to avoid having areas outside the shape
+ // react on the mouse
+ return rBroadcaster.first->getBounds().isInside( aPosition )
+ && rBroadcaster.first->isVisible();
+ });
+ if (aCurrBroadcaster != maShapeListenerMap.rend())
+ {
+ // shape hit, and shape is visible. Raise
+ // event.
+
+ std::shared_ptr<comphelper::OInterfaceContainerHelper3<css::presentation::XShapeEventListener>> const & pCont =
+ aCurrBroadcaster->second;
+ uno::Reference<drawing::XShape> const xShape(
+ aCurrBroadcaster->first->getXShape() );
+
+ // DON'T do anything with /this/ after this point!
+ pCont->forEach(
+ [&xShape, &e]( const uno::Reference< presentation::XShapeEventListener >& rListener )
+ { return rListener->click( xShape, e ); } );
+
+ return true; // handled this event
+ }
+
+ return false; // did not handle this event
+}
+
+bool ShapeManagerImpl::handleMouseDragged( const awt::MouseEvent& )
+{
+ // not used here
+ return false; // did not handle the event
+}
+
+bool ShapeManagerImpl::handleMouseMoved( const awt::MouseEvent& e )
+{
+ if( !mbEnabled )
+ return false;
+
+ // find hit shape in map
+ const ::basegfx::B2DPoint aPosition( e.X, e.Y );
+ sal_Int16 nNewCursor(-1);
+
+ if( !checkForHyperlink(aPosition).isEmpty() || !checkForImageMap(e).isEmpty() )
+ {
+ nNewCursor = awt::SystemPointer::REFHAND;
+ }
+ else
+ {
+ // find matching shape (scan reversely, to coarsely match
+ // paint order)
+ auto aCurrCursor = std::find_if(maShapeCursorMap.rbegin(), maShapeCursorMap.rend(),
+ [&aPosition](const ShapeToCursorMap::value_type& rCursor) {
+ // TODO(F2): Get proper geometry polygon from the
+ // shape, to avoid having areas outside the shape
+ // react on the mouse
+ return rCursor.first->getBounds().isInside( aPosition )
+ && rCursor.first->isVisible();
+ });
+ if (aCurrCursor != maShapeCursorMap.rend())
+ {
+ // shape found, and it's visible. set
+ // requested cursor to shape's
+ nNewCursor = aCurrCursor->second;
+ }
+ }
+
+ if( nNewCursor == -1 )
+ mrCursorManager.resetCursor();
+ else
+ mrCursorManager.requestCursor( nNewCursor );
+
+ return false; // we don't /eat/ this event. Lower prio
+ // handler should see it, too.
+}
+
+bool ShapeManagerImpl::update()
+{
+ if( mbEnabled && mpLayerManager )
+ return mpLayerManager->update();
+
+ return false;
+}
+
+bool ShapeManagerImpl::needsUpdate() const
+{
+ if( mbEnabled && mpLayerManager )
+ return mpLayerManager->isUpdatePending();
+
+ return false;
+}
+
+void ShapeManagerImpl::enterAnimationMode( const AnimatableShapeSharedPtr& rShape )
+{
+ if( mbEnabled && mpLayerManager )
+ mpLayerManager->enterAnimationMode(rShape);
+}
+
+void ShapeManagerImpl::leaveAnimationMode( const AnimatableShapeSharedPtr& rShape )
+{
+ if( mbEnabled && mpLayerManager )
+ mpLayerManager->leaveAnimationMode(rShape);
+}
+
+void ShapeManagerImpl::notifyShapeUpdate( const ShapeSharedPtr& rShape )
+{
+ if( mbEnabled && mpLayerManager )
+ mpLayerManager->notifyShapeUpdate(rShape);
+}
+
+ShapeSharedPtr ShapeManagerImpl::lookupShape( uno::Reference< drawing::XShape > const & xShape ) const
+{
+ if( mpLayerManager )
+ return mpLayerManager->lookupShape(xShape);
+
+ return ShapeSharedPtr();
+}
+
+const XShapeToShapeMap& ShapeManagerImpl::getXShapeToShapeMap() const
+{
+ assert( mpLayerManager );
+ return mpLayerManager->getXShapeToShapeMap();
+}
+
+void ShapeManagerImpl::addHyperlinkArea( const HyperlinkAreaSharedPtr& rArea )
+{
+ maHyperlinkShapes.insert(rArea);
+}
+
+AttributableShapeSharedPtr ShapeManagerImpl::getSubsetShape( const AttributableShapeSharedPtr& rOrigShape,
+ const DocTreeNode& rTreeNode )
+{
+ if( mpLayerManager )
+ return mpLayerManager->getSubsetShape(rOrigShape,rTreeNode);
+
+ return AttributableShapeSharedPtr();
+}
+
+void ShapeManagerImpl::revokeSubset( const AttributableShapeSharedPtr& rOrigShape,
+ const AttributableShapeSharedPtr& rSubsetShape )
+{
+ if( mpLayerManager )
+ mpLayerManager->revokeSubset(rOrigShape,rSubsetShape);
+}
+
+bool ShapeManagerImpl::listenerAdded(
+ const uno::Reference<drawing::XShape>& xShape )
+{
+ ShapeEventListenerMap::const_iterator aIter = mrGlobalListenersMap.find( xShape );
+ if( aIter == mrGlobalListenersMap.end() )
+ {
+ ENSURE_OR_RETURN_FALSE(false,
+ "ShapeManagerImpl::listenerAdded(): global "
+ "shape listener map inconsistency!");
+ }
+
+ // is this one of our shapes? other shapes are ignored.
+ ShapeSharedPtr pShape( lookupShape(xShape) );
+ if( pShape )
+ {
+ maShapeListenerMap.emplace(pShape, aIter->second);
+ }
+
+ return true;
+}
+
+bool ShapeManagerImpl::listenerRemoved( const uno::Reference<drawing::XShape>& xShape )
+{
+ // shape really erased from map? maybe there are other listeners
+ // for the same shape pending...
+ if( mrGlobalListenersMap.find(xShape) == mrGlobalListenersMap.end() )
+ {
+ // is this one of our shapes? other shapes are ignored.
+ ShapeSharedPtr pShape( lookupShape(xShape) );
+ if( pShape )
+ maShapeListenerMap.erase(pShape);
+ }
+
+ return true;
+}
+
+void ShapeManagerImpl::cursorChanged( const uno::Reference<drawing::XShape>& xShape,
+ sal_Int16 nCursor )
+{
+ ShapeSharedPtr pShape( lookupShape(xShape) );
+
+ // is this one of our shapes? other shapes are ignored.
+ if( !pShape )
+ return;
+
+ if( mrGlobalCursorMap.find(xShape) == mrGlobalCursorMap.end() )
+ {
+ // erased from global map - erase locally, too
+ maShapeCursorMap.erase(pShape);
+ }
+ else
+ {
+ // included in global map - update local one
+ ShapeToCursorMap::iterator aIter;
+ if( (aIter = maShapeCursorMap.find(pShape))
+ == maShapeCursorMap.end() )
+ {
+ maShapeCursorMap.emplace(pShape, nCursor);
+ }
+ else
+ {
+ aIter->second = nCursor;
+ }
+ }
+}
+
+OUString ShapeManagerImpl::checkForHyperlink( basegfx::B2DPoint const& hitPos ) const
+{
+ // find matching region (scan reversely, to coarsely match
+ // paint order): set is ordered by priority
+ AreaSet::const_reverse_iterator iPos( maHyperlinkShapes.rbegin() );
+ AreaSet::const_reverse_iterator const iEnd( maHyperlinkShapes.rend() );
+ for( ; iPos != iEnd; ++iPos )
+ {
+ HyperlinkAreaSharedPtr const& pArea = *iPos;
+
+ HyperlinkArea::HyperlinkRegions const linkRegions(
+ pArea->getHyperlinkRegions() );
+
+ for( std::size_t i = linkRegions.size(); i--; )
+ {
+ basegfx::B2DRange const& region = linkRegions[i].first;
+ if( region.isInside(hitPos) )
+ return linkRegions[i].second;
+ }
+ }
+
+ return OUString();
+}
+
+OUString ShapeManagerImpl::checkForImageMap( awt::MouseEvent const& evt ) const
+{
+ for (sal_Int32 i = 0; i < mxDrawPage->getCount(); i++)
+ {
+ Reference<XShape> xShape(mxDrawPage->getByIndex(i), UNO_QUERY_THROW);
+ SdrObject* pObj = SdrObject::getSdrObjectFromXShape(xShape);
+ if (!pObj)
+ continue;
+ const IMapObject* pIMapObj = SvxIMapInfo::GetHitIMapObject(pObj, Point(evt.X, evt.Y));
+ if (pIMapObj && !pIMapObj->GetURL().isEmpty())
+ {
+ return pIMapObj->GetURL();
+ }
+ }
+ return OUString();
+}
+
+void ShapeManagerImpl::addIntrinsicAnimationHandler( const IntrinsicAnimationEventHandlerSharedPtr& rHandler )
+{
+ maIntrinsicAnimationEventHandlers.add( rHandler );
+}
+
+void ShapeManagerImpl::removeIntrinsicAnimationHandler( const IntrinsicAnimationEventHandlerSharedPtr& rHandler )
+{
+ maIntrinsicAnimationEventHandlers.remove( rHandler );
+}
+
+void ShapeManagerImpl::notifyIntrinsicAnimationsEnabled()
+{
+ maIntrinsicAnimationEventHandlers.applyAll(
+ std::mem_fn(&IntrinsicAnimationEventHandler::enableAnimations));
+}
+
+void ShapeManagerImpl::notifyIntrinsicAnimationsDisabled()
+{
+ maIntrinsicAnimationEventHandlers.applyAll(
+ std::mem_fn(&IntrinsicAnimationEventHandler::disableAnimations));
+}
+
+
+} // namespace slideshow::internal
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */