speed up dealing with large shape selections

cuts the time spent waiting when changing large selections by 90%

Change-Id: I558b5b28449d0cc6b1d3b5e9e4cf455a4b37016a
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/151360
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

1 files changed, 74 insertions, 0 deletions

diff --git a/svx/inc/shapecollection.hxx b/svx/inc/shapecollection.hxx
new file mode 100644
index 000000000000..67610f056763
--- /dev/null
+++ b/svx/inc/shapecollection.hxx
@@ -0,0 +1,74 @@
+/* -*- 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 .
+ */
+#pragma once
+
+#include <cppuhelper/implbase3.hxx>
+#include <comphelper/interfacecontainer4.hxx>
+#include <com/sun/star/drawing/XShapes.hpp>
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include <com/sun/star/uno/XComponentContext.hpp>
+#include <com/sun/star/lang/XComponent.hpp>
+#include <mutex>
+#include <vector>
+
+class SvxShapeCollection
+    : public cppu::WeakAggImplHelper3<css::drawing::XShapes, css::lang::XServiceInfo,
+                                      css::lang::XComponent>
+{
+private:
+    std::mutex m_aMutex;
+    std::vector<css::uno::Reference<css::drawing::XShape>> maShapeContainer;
+    comphelper::OInterfaceContainerHelper4<css::lang::XEventListener> maEventListeners;
+    bool bDisposed = false;
+    bool bInDispose = false;
+
+public:
+    SvxShapeCollection() noexcept;
+
+    // XInterface
+    virtual void SAL_CALL release() noexcept 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;
+
+    void getAllShapes(std::vector<css::uno::Reference<css::drawing::XShape>>& rShapes) const;
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */