1 files changed, 214 insertions, 0 deletions
diff --git a/svx/source/unodraw/unoshcol.cxx b/svx/source/unodraw/unoshcol.cxx
new file mode 100644
index 0000000000..42cf3fc5f1
--- /dev/null
+++ b/svx/source/unodraw/unoshcol.cxx
@@ -0,0 +1,214 @@
+/* -*- 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/lang/IndexOutOfBoundsException.hpp>
+
+#include <cppuhelper/supportsservice.hxx>
+#include <osl/diagnose.h>
+#include <sal/log.hxx>
+#include <shapecollection.hxx>
+
+using namespace ::com::sun::star;
+using namespace ::com::sun::star::uno;
+
+SvxShapeCollection::SvxShapeCollection() noexcept
+{
+}
+
+// XInterface
+void SvxShapeCollection::release() noexcept
+{
+    uno::Reference< uno::XInterface > x( xDelegator );
+    if (! x.is())
+    {
+        if (osl_atomic_decrement( &m_refCount ) == 0)
+        {
+            if (! bDisposed)
+            {
+                uno::Reference< uno::XInterface > xHoldAlive( getXWeak() );
+                // 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;
+    {
+        std::unique_lock aGuard( m_aMutex );
+        if( !bDisposed && !bInDispose )
+        {
+            // only one call go into this section
+            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
+            std::unique_lock g(m_aMutex);
+            maEventListeners.disposeAndClear( g, 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.
+            bDisposed = true;
+            bInDispose = false;
+            throw;
+        }
+
+        // the values bDispose and bInDisposing must set in this order.
+        // No multithread call overcome the "!rBHelper.bDisposed && !rBHelper.bInDispose" guard.
+        bDisposed = true;
+        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 )
+{
+    std::unique_lock g(m_aMutex);
+    maEventListeners.addInterface( g, aListener );
+}
+
+// XComponent
+void SAL_CALL SvxShapeCollection::removeEventListener( const css::uno::Reference< css::lang::XEventListener >& aListener )
+{
+    std::unique_lock g(m_aMutex);
+    maEventListeners.removeInterface( g, aListener );
+}
+
+// XShapes
+
+void SAL_CALL SvxShapeCollection::add( const Reference< drawing::XShape >& xShape )
+{
+    std::unique_lock g(m_aMutex);
+    maShapeContainer.push_back( xShape );
+}
+
+
+void SAL_CALL SvxShapeCollection::remove( const uno::Reference< drawing::XShape >& xShape )
+{
+    std::unique_lock g(m_aMutex);
+    std::erase(maShapeContainer, xShape);
+}
+
+
+sal_Int32 SAL_CALL SvxShapeCollection::getCount()
+{
+    std::unique_lock g(m_aMutex);
+    return maShapeContainer.size();
+}
+
+
+uno::Any SAL_CALL SvxShapeCollection::getByIndex( sal_Int32 Index )
+{
+    if( Index < 0 || Index >= getCount() )
+        throw lang::IndexOutOfBoundsException();
+
+    std::unique_lock g(m_aMutex);
+    Reference<drawing::XShape> xShape = maShapeContainer[Index];
+    return uno::Any( xShape );
+}
+
+// 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" };
+}
+
+void SvxShapeCollection::getAllShapes(std::vector<css::uno::Reference<css::drawing::XShape>>& rShapes) const
+{
+    rShapes = maShapeContainer;
+}
+
+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: */