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libreoffice/slideshow/source/engine/slide/shapemanagerimpl.cxx
Daniel Baumann 8e63e14cf6
Adding upstream version 4:25.2.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-22 16:20:04 +02:00

427 lines
13 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 <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: */