From 267c6f2ac71f92999e969232431ba04678e7437e Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Mon, 15 Apr 2024 07:54:39 +0200
Subject: Adding upstream version 4:24.2.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 include/comphelper/propmultiplex2.hxx | 111 ++++++++++++++++++++++++++++++++++
 1 file changed, 111 insertions(+)
 create mode 100644 include/comphelper/propmultiplex2.hxx

(limited to 'include/comphelper/propmultiplex2.hxx')

diff --git a/include/comphelper/propmultiplex2.hxx b/include/comphelper/propmultiplex2.hxx
new file mode 100644
index 0000000000..ff3a9abaf2
--- /dev/null
+++ b/include/comphelper/propmultiplex2.hxx
@@ -0,0 +1,111 @@
+/* -*- 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 <com/sun/star/beans/XPropertyChangeListener.hpp>
+#include <cppuhelper/implbase.hxx>
+#include <comphelper/comphelperdllapi.h>
+#include <rtl/ref.hxx>
+#include <mutex>
+#include <vector>
+
+namespace com::sun::star::beans
+{
+class XPropertySet;
+}
+
+//= property helper classes
+
+namespace comphelper
+{
+class OPropertyChangeMultiplexer2;
+
+//= OPropertyChangeListener
+
+/// simple listener adapter for property sets
+class COMPHELPER_DLLPUBLIC OPropertyChangeListener2
+{
+    friend class OPropertyChangeMultiplexer2;
+
+    rtl::Reference<OPropertyChangeMultiplexer2> m_xAdapter;
+
+public:
+    virtual ~OPropertyChangeListener2();
+
+    /// @throws css::uno::RuntimeException
+    virtual void _propertyChanged(const css::beans::PropertyChangeEvent& _rEvent) = 0;
+
+protected:
+    /** If the derivee also owns the mutex which we know as reference, then call this within your
+            derivee's dtor.
+        */
+    void disposeAdapter(std::unique_lock<std::mutex>& rGuard);
+
+private:
+    void setAdapter(std::unique_lock<std::mutex>& rGuard, OPropertyChangeMultiplexer2* _pAdapter);
+};
+
+//= OPropertyChangeMultiplexer2
+// A copy of OPropertyChangeMultiplexer except that it uses std::mutex instead osl::Mutex
+
+/// multiplexer for property changes
+// workaround for incremental linking bugs in MSVC2019
+class SAL_DLLPUBLIC_TEMPLATE OPropertyChangeMultiplexer_Base2
+    : public cppu::WeakImplHelper<css::beans::XPropertyChangeListener>
+{
+};
+class COMPHELPER_DLLPUBLIC OPropertyChangeMultiplexer2 final
+    : public OPropertyChangeMultiplexer_Base2
+{
+    friend class OPropertyChangeListener2;
+    std::mutex& m_rMutex;
+    std::vector<OUString> m_aProperties;
+    css::uno::Reference<css::beans::XPropertySet> m_xSet;
+    OPropertyChangeListener2* m_pListener;
+    sal_Int32 m_nLockCount;
+    bool m_bListening : 1;
+
+    void onListenerDestruction();
+    virtual ~OPropertyChangeMultiplexer2() override;
+
+public:
+    OPropertyChangeMultiplexer2(std::mutex& rMutex, std::unique_lock<std::mutex>& rGuard,
+                                OPropertyChangeListener2* _pListener,
+                                const css::uno::Reference<css::beans::XPropertySet>& _rxSet);
+
+    // XEventListener
+    virtual void SAL_CALL disposing(const css::lang::EventObject& Source) override;
+
+    // XPropertyChangeListener
+    virtual void SAL_CALL propertyChange(const css::beans::PropertyChangeEvent& evt) override;
+
+    /// incremental lock
+    void lock();
+    /// incremental unlock
+    void unlock();
+    /// get the lock count
+    sal_Int32 locked() const { return m_nLockCount; }
+
+    void addProperty(const OUString& aPropertyName);
+    void dispose(std::unique_lock<std::mutex>& rGuard);
+};
+
+} // namespace comphelper
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
-- 
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