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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 16:51:28 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 16:51:28 +0000
commit940b4d1848e8c70ab7642901a68594e8016caffc (patch)
treeeb72f344ee6c3d9b80a7ecc079ea79e9fba8676d /svx/source/unodraw/unoshcol.cxx
parentInitial commit. (diff)
downloadlibreoffice-940b4d1848e8c70ab7642901a68594e8016caffc.tar.xz
libreoffice-940b4d1848e8c70ab7642901a68594e8016caffc.zip
Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'svx/source/unodraw/unoshcol.cxx')
-rw-r--r--svx/source/unodraw/unoshcol.cxx259
1 files changed, 259 insertions, 0 deletions
diff --git a/svx/source/unodraw/unoshcol.cxx b/svx/source/unodraw/unoshcol.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 <com/sun/star/document/EventObject.hpp>
+#include <com/sun/star/drawing/XShapes.hpp>
+#include <com/sun/star/lang/IndexOutOfBoundsException.hpp>
+#include <com/sun/star/lang/XComponent.hpp>
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include <com/sun/star/uno/XComponentContext.hpp>
+
+#include <cppuhelper/implbase3.hxx>
+#include <cppuhelper/interfacecontainer.hxx>
+#include <comphelper/interfacecontainer2.hxx>
+#include <cppuhelper/supportsservice.hxx>
+#include <osl/mutex.hxx>
+#include <sal/log.hxx>
+
+using namespace ::com::sun::star;
+using namespace ::com::sun::star::uno;
+
+namespace {
+
+class SvxShapeCollectionMutex
+{
+public:
+ ::osl::Mutex maMutex;
+};
+
+class SvxShapeCollection :
+ public cppu::WeakAggImplHelper3<drawing::XShapes, lang::XServiceInfo, lang::XComponent>,
+ public SvxShapeCollectionMutex
+{
+private:
+ comphelper::OInterfaceContainerHelper2 maShapeContainer;
+
+ cppu::OBroadcastHelper mrBHelper;
+
+public:
+ SvxShapeCollection() throw();
+
+ // XInterface
+ virtual void SAL_CALL release() throw() override;
+
+ // XComponent
+ virtual void SAL_CALL dispose() override;
+ virtual void SAL_CALL addEventListener( const css::uno::Reference< css::lang::XEventListener >& aListener ) override;
+ virtual void SAL_CALL removeEventListener( const css::uno::Reference< css::lang::XEventListener >& aListener ) override;
+
+ // XIndexAccess
+ virtual sal_Int32 SAL_CALL getCount() override ;
+ virtual css::uno::Any SAL_CALL getByIndex( sal_Int32 Index ) override;
+
+ // XElementAccess
+ virtual css::uno::Type SAL_CALL getElementType() override;
+ virtual sal_Bool SAL_CALL hasElements() override;
+
+ // XShapes
+ virtual void SAL_CALL add( const css::uno::Reference< css::drawing::XShape >& xShape ) override;
+ virtual void SAL_CALL remove( const css::uno::Reference< css::drawing::XShape >& xShape ) override;
+
+ // XServiceInfo
+ virtual OUString SAL_CALL getImplementationName() override;
+ virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
+ virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
+};
+
+SvxShapeCollection::SvxShapeCollection() throw()
+: maShapeContainer( maMutex ), mrBHelper( maMutex )
+{
+}
+
+// XInterface
+void SvxShapeCollection::release() throw()
+{
+ uno::Reference< uno::XInterface > x( xDelegator );
+ if (! x.is())
+ {
+ if (osl_atomic_decrement( &m_refCount ) == 0)
+ {
+ if (! mrBHelper.bDisposed)
+ {
+ uno::Reference< uno::XInterface > xHoldAlive( static_cast<uno::XWeak*>(this) );
+ // First dispose
+ try
+ {
+ dispose();
+ }
+ catch(css::uno::Exception&)
+ {
+ // release should not throw exceptions
+ }
+
+ // only the alive ref holds the object
+ OSL_ASSERT( m_refCount == 1 );
+ // destroy the object if xHoldAlive decrement the refcount to 0
+ return;
+ }
+ }
+ // restore the reference count
+ osl_atomic_increment( &m_refCount );
+ }
+ OWeakAggObject::release();
+}
+
+// XComponent
+void SvxShapeCollection::dispose()
+{
+ // An frequently programming error is to release the last
+ // reference to this object in the disposing message.
+ // Make it robust, hold a self Reference.
+ uno::Reference< lang::XComponent > xSelf( this );
+
+ // Guard dispose against multiple threading
+ // Remark: It is an error to call dispose more than once
+ bool bDoDispose = false;
+ {
+ osl::MutexGuard aGuard( mrBHelper.rMutex );
+ if( !mrBHelper.bDisposed && !mrBHelper.bInDispose )
+ {
+ // only one call go into this section
+ mrBHelper.bInDispose = true;
+ bDoDispose = true;
+ }
+ }
+
+ // Do not hold the mutex because we are broadcasting
+ if( bDoDispose )
+ {
+ // Create an event with this as sender
+ try
+ {
+ uno::Reference< uno::XInterface > xSource( uno::Reference< uno::XInterface >::query( static_cast<lang::XComponent *>(this) ) );
+ document::EventObject aEvt;
+ aEvt.Source = xSource;
+ // inform all listeners to release this object
+ // The listener container are automatically cleared
+ mrBHelper.aLC.disposeAndClear( aEvt );
+ maShapeContainer.clear();
+ }
+ catch(const css::uno::Exception&)
+ {
+ // catch exception and throw again but signal that
+ // the object was disposed. Dispose should be called
+ // only once.
+ mrBHelper.bDisposed = true;
+ mrBHelper.bInDispose = false;
+ throw;
+ }
+
+ // the values bDispose and bInDisposing must set in this order.
+ // No multithread call overcome the "!rBHelper.bDisposed && !rBHelper.bInDispose" guard.
+ mrBHelper.bDisposed = true;
+ mrBHelper.bInDispose = false;
+ }
+ else
+ {
+ // in a multithreaded environment, it can't be avoided, that dispose is called twice.
+ // However this condition is traced, because it MAY indicate an error.
+ SAL_INFO("svx", "dispose called twice" );
+ }
+}
+
+// XComponent
+void SAL_CALL SvxShapeCollection::addEventListener( const css::uno::Reference< css::lang::XEventListener >& aListener )
+{
+ mrBHelper.addListener( cppu::UnoType<decltype(aListener)>::get() , aListener );
+}
+
+// XComponent
+void SAL_CALL SvxShapeCollection::removeEventListener( const css::uno::Reference< css::lang::XEventListener >& aListener )
+{
+ mrBHelper.removeListener( cppu::UnoType<decltype(aListener)>::get() , aListener );
+}
+
+// XShapes
+
+void SAL_CALL SvxShapeCollection::add( const Reference< drawing::XShape >& xShape )
+{
+ maShapeContainer.addInterface( xShape );
+}
+
+
+void SAL_CALL SvxShapeCollection::remove( const uno::Reference< drawing::XShape >& xShape )
+{
+ maShapeContainer.removeInterface( xShape );
+}
+
+
+sal_Int32 SAL_CALL SvxShapeCollection::getCount()
+{
+ return maShapeContainer.getLength();
+}
+
+
+uno::Any SAL_CALL SvxShapeCollection::getByIndex( sal_Int32 Index )
+{
+ if( Index < 0 || Index >= getCount() )
+ throw lang::IndexOutOfBoundsException();
+
+ std::vector< Reference< uno::XInterface> > aElements( maShapeContainer.getElements() );
+
+
+ return uno::makeAny( Reference< drawing::XShape>(static_cast< drawing::XShape* >( aElements[Index].get())) );
+}
+
+// XElementAccess
+uno::Type SAL_CALL SvxShapeCollection::getElementType()
+{
+ return cppu::UnoType<drawing::XShape>::get();
+}
+
+sal_Bool SAL_CALL SvxShapeCollection::hasElements()
+{
+ return getCount() != 0;
+}
+
+// XServiceInfo
+OUString SAL_CALL SvxShapeCollection::getImplementationName()
+{
+ return "com.sun.star.drawing.SvxShapeCollection";
+}
+
+sal_Bool SAL_CALL SvxShapeCollection::supportsService( const OUString& ServiceName )
+{
+ return cppu::supportsService( this, ServiceName);
+}
+
+uno::Sequence< OUString > SAL_CALL SvxShapeCollection::getSupportedServiceNames()
+{
+ return { "com.sun.star.drawing.Shapes", "com.sun.star.drawing.ShapeCollection" };
+}
+
+}
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface *
+com_sun_star_drawing_SvxShapeCollection_get_implementation(
+ css::uno::XComponentContext *,
+ css::uno::Sequence<css::uno::Any> const &)
+{
+ return cppu::acquire(new SvxShapeCollection);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */