1 files changed, 84 insertions, 0 deletions
diff --git a/sfx2/source/control/itemdel.cxx b/sfx2/source/control/itemdel.cxx
new file mode 100644
index 000000000..756133c47
--- /dev/null
+++ b/sfx2/source/control/itemdel.cxx
@@ -0,0 +1,84 @@
+/* -*- 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 <sal/config.h>
+
+#include <itemdel.hxx>
+#include <svl/poolitem.hxx>
+#include <vcl/idle.hxx>
+
+#include <tools/debug.hxx>
+
+class SfxItemDisruptor_Impl
+{
+    std::unique_ptr<SfxPoolItem> pItem;
+    Idle m_Idle;
+
+private:
+    DECL_LINK( Delete, Timer*, void );
+
+public:
+    explicit SfxItemDisruptor_Impl(std::unique_ptr<SfxPoolItem> pItemToDesrupt);
+    void LaunchDeleteOnIdle();
+    ~SfxItemDisruptor_Impl();
+    SfxItemDisruptor_Impl(const SfxItemDisruptor_Impl&) = delete;
+    SfxItemDisruptor_Impl& operator=(const SfxItemDisruptor_Impl&) = delete;
+};
+
+SfxItemDisruptor_Impl::SfxItemDisruptor_Impl(std::unique_ptr<SfxPoolItem> pItemToDisrupt)
+    : pItem(std::move(pItemToDisrupt))
+    , m_Idle("sfx SfxItemDisruptor_Impl::Delete")
+{
+    m_Idle.SetInvokeHandler(LINK(this, SfxItemDisruptor_Impl, Delete));
+    m_Idle.SetPriority(TaskPriority::DEFAULT_IDLE);
+    m_Idle.SetDebugName("sfx::SfxItemDisruptor_Impl m_Idle");
+
+    DBG_ASSERT( 0 == pItem->GetRefCount(), "disrupting pooled item" );
+    pItem->SetKind(SfxItemKind::DeleteOnIdle);
+}
+
+void SfxItemDisruptor_Impl::LaunchDeleteOnIdle()
+{
+    m_Idle.Start();
+}
+
+SfxItemDisruptor_Impl::~SfxItemDisruptor_Impl()
+{
+    m_Idle.Stop();
+
+    // reset RefCount (was set to SFX_ITEMS_SPECIAL before!)
+    pItem->SetRefCount( 0 );
+
+    pItem.reset();
+}
+
+IMPL_LINK_NOARG(SfxItemDisruptor_Impl, Delete, Timer*, void)
+{
+    delete this;
+}
+
+void DeleteItemOnIdle(std::unique_ptr<SfxPoolItem> pItem)
+{
+    DBG_ASSERT( 0 == pItem->GetRefCount(), "deleting item in use" );
+    SfxItemDisruptor_Impl *pDesruptor = new SfxItemDisruptor_Impl(std::move(pItem));
+    pDesruptor->LaunchDeleteOnIdle();
+    // coverity[leaked_storage] - pDesruptor takes care of its own destruction at idle time
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */