1 files changed, 105 insertions, 0 deletions
diff --git a/forms/source/component/EventThread.hxx b/forms/source/component/EventThread.hxx
new file mode 100644
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+++ b/forms/source/component/EventThread.hxx
@@ -0,0 +1,105 @@
+/* -*- 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 <sal/config.h>
+
+#include <memory>
+#include <vector>
+
+#include <com/sun/star/lang/XEventListener.hpp>
+#include <com/sun/star/lang/EventObject.hpp>
+#include <com/sun/star/awt/XControl.hpp>
+#include <osl/thread.hxx>
+#include <osl/conditn.hxx>
+#include <cppuhelper/component.hxx>
+#include <comphelper/uno3.hxx>
+#include <rtl/ref.hxx>
+
+
+using namespace comphelper;
+
+
+namespace frm
+{
+
+
+typedef ::osl::Thread   OComponentEventThread_TBASE;
+class OComponentEventThread
+            :public OComponentEventThread_TBASE
+            ,public css::lang::XEventListener
+            ,public ::cppu::OWeakObject
+{
+    typedef std::vector<std::unique_ptr<css::lang::EventObject>> ThreadEvents;
+    typedef std::vector< css::uno::Reference< css::uno::XAdapter> > ThreadObjects;
+
+    ::osl::Mutex                    m_aMutex;
+    ::osl::Condition                m_aCond;            // Queue filled?
+    ThreadEvents                    m_aEvents;          // EventQueue
+    ThreadObjects                   m_aControls;        // Control for Submit
+    std::vector<bool>               m_aFlags;           // Flags for Submit/Reset
+
+    rtl::Reference<::cppu::OComponentHelper>      m_xComp;    // Implementation of the Control
+
+protected:
+
+    // XThread
+    virtual void SAL_CALL run() override;
+
+    virtual void SAL_CALL onTerminated() override;
+
+    // Edit an Event:
+    // The mutex is not locked, but pCompImpl stays valid in any case.
+    // pEvt can be a derived type, namely the one that cloneEvent returns.
+    // rControl is only set, if a Control has been passed in addEvent.
+    // Because the Control is only held as a WeakRef, it can disappear in the meantime.
+    virtual void processEvent( ::cppu::OComponentHelper* _pCompImpl,
+                               const css::lang::EventObject* _pEvt,
+                               const css::uno::Reference< css::awt::XControl>& _rControl,
+                               bool _bFlag) = 0;
+
+public:
+
+    // UNO binding
+    DECLARE_UNO3_DEFAULTS(OComponentEventThread, OWeakObject)
+    virtual css::uno::Any SAL_CALL queryInterface(const css::uno::Type& _rType) override;
+
+    explicit OComponentEventThread(::cppu::OComponentHelper* pCompImpl);
+    virtual ~OComponentEventThread() override;
+
+    void addEvent( std::unique_ptr<css::lang::EventObject> _pEvt );
+    void addEvent( std::unique_ptr<css::lang::EventObject> _pEvt, const css::uno::Reference< css::awt::XControl>& rControl,
+                   bool bFlag = false );
+
+    // css::lang::XEventListener
+    virtual void SAL_CALL disposing(const css::lang::EventObject& _rSource ) override;
+
+    // Resolve ambiguity: both OWeakObject and osl::Thread have these memory operators
+    using osl::Thread::operator new;
+    using osl::Thread::operator delete;
+
+private:
+    void    impl_clearEventQueue();
+};
+
+
+}   // namespace frm
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */