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-rw-r--r--sc/source/ui/Accessibility/DrawModelBroadcaster.cxx107
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diff --git a/sc/source/ui/Accessibility/DrawModelBroadcaster.cxx b/sc/source/ui/Accessibility/DrawModelBroadcaster.cxx
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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 <DrawModelBroadcaster.hxx>
+#include <svx/svdmodel.hxx>
+#include <svx/unomod.hxx>
+#include <svx/svdobj.hxx>
+
+using namespace ::com::sun::star;
+
+ScDrawModelBroadcaster::ScDrawModelBroadcaster( SdrModel *pDrawModel ) :
+ mpDrawModel( pDrawModel )
+{
+ if (mpDrawModel)
+ StartListening( *mpDrawModel );
+}
+
+ScDrawModelBroadcaster::~ScDrawModelBroadcaster()
+{
+ if (mpDrawModel)
+ EndListening( *mpDrawModel );
+}
+
+void SAL_CALL ScDrawModelBroadcaster::addEventListener( const uno::Reference< document::XEventListener >& xListener )
+{
+ std::unique_lock aGuard(maListenerMutex);
+ maEventListeners.addInterface( aGuard, xListener );
+}
+
+void SAL_CALL ScDrawModelBroadcaster::removeEventListener( const uno::Reference< document::XEventListener >& xListener )
+{
+ std::unique_lock aGuard(maListenerMutex);
+ maEventListeners.removeInterface( aGuard, xListener );
+}
+
+void SAL_CALL ScDrawModelBroadcaster::addShapeEventListener(
+ const css::uno::Reference< css::drawing::XShape >& xShape,
+ const uno::Reference< document::XShapeEventListener >& xListener )
+{
+ assert(xShape.is() && "no shape?");
+ std::scoped_lock aGuard(maListenerMutex);
+ auto rv = maShapeListeners.emplace(xShape, xListener);
+ assert(rv.second && "duplicate listener?");
+ (void)rv;
+}
+
+void SAL_CALL ScDrawModelBroadcaster::removeShapeEventListener(
+ const css::uno::Reference< css::drawing::XShape >& xShape,
+ const uno::Reference< document::XShapeEventListener >& xListener )
+{
+ std::scoped_lock aGuard(maListenerMutex);
+ auto it = maShapeListeners.find(xShape);
+ if (it != maShapeListeners.end())
+ {
+ assert(it->second == xListener && "removing wrong listener?");
+ (void)xListener;
+ maShapeListeners.erase(it);
+ }
+}
+
+void ScDrawModelBroadcaster::Notify( SfxBroadcaster&,
+ const SfxHint& rHint )
+{
+ if (rHint.GetId() != SfxHintId::ThisIsAnSdrHint)
+ return;
+ const SdrHint* pSdrHint = static_cast<const SdrHint*>(&rHint);
+
+ document::EventObject aEvent;
+ if( !SvxUnoDrawMSFactory::createEvent( mpDrawModel, pSdrHint, aEvent ) )
+ return;
+
+ std::unique_lock aGuard(maListenerMutex);
+ maEventListeners.forEach(aGuard,
+ [&aEvent](const css::uno::Reference<document::XEventListener>& xListener)
+ {
+ xListener->notifyEvent(aEvent);
+ }
+ );
+
+ // right now, we're only handling the specific event necessary to fix this performance problem
+ if (pSdrHint->GetKind() == SdrHintKind::ObjectChange)
+ {
+ auto pSdrObject = const_cast<SdrObject*>(pSdrHint->GetObject());
+ uno::Reference<drawing::XShape> xShape(pSdrObject->getUnoShape(), uno::UNO_QUERY);
+ auto it = maShapeListeners.find(xShape);
+ if (it != maShapeListeners.end())
+ it->second->notifyShapeEvent(aEvent);
+ }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */