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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /vcl/inc/saltimer.hxx
parentInitial commit. (diff)
downloadlibreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz
libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vcl/inc/saltimer.hxx')
-rw-r--r--vcl/inc/saltimer.hxx103
1 files changed, 103 insertions, 0 deletions
diff --git a/vcl/inc/saltimer.hxx b/vcl/inc/saltimer.hxx
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+/* -*- 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 .
+ */
+
+#ifndef INCLUDED_VCL_INC_SALTIMER_HXX
+#define INCLUDED_VCL_INC_SALTIMER_HXX
+
+#include <sal/config.h>
+#include <vcl/dllapi.h>
+#include "salwtype.hxx"
+
+/*
+ * note: there will be only a single instance of SalTimer
+ * SalTimer originally had only static methods, but
+ * this needed to be virtualized for the sal plugin migration
+ */
+
+class VCL_PLUGIN_PUBLIC SalTimer
+{
+ SALTIMERPROC m_pProc;
+
+public:
+ SalTimer() : m_pProc( nullptr ) {}
+ virtual ~SalTimer() COVERITY_NOEXCEPT_FALSE;
+
+ // AutoRepeat and Restart
+ virtual void Start( sal_uInt64 nMS ) = 0;
+ virtual void Stop() = 0;
+
+ // Callbacks (indepen in \sv\source\app\timer.cxx)
+ void SetCallback( SALTIMERPROC pProc )
+ {
+ m_pProc = pProc;
+ }
+
+ void CallCallback()
+ {
+ if( m_pProc )
+ m_pProc();
+ }
+};
+
+class VersionedEvent
+{
+ /**
+ * The "additional event data" members on macOS are integers, so we can't
+ * use an unsigned integer and rely on the defined unsigned overflow in
+ * InvalidateEvent().
+ */
+ sal_Int32 m_nEventVersion;
+ bool m_bIsValidVersion;
+
+public:
+ VersionedEvent() : m_nEventVersion( 0 ), m_bIsValidVersion( false ) {}
+
+ sal_Int32 GetNextEventVersion()
+ {
+ InvalidateEvent();
+ m_bIsValidVersion = true;
+ return m_nEventVersion;
+ }
+
+ void InvalidateEvent()
+ {
+ if ( m_bIsValidVersion )
+ {
+ if ( m_nEventVersion == SAL_MAX_INT32 )
+ m_nEventVersion = 0;
+ else
+ ++m_nEventVersion;
+ m_bIsValidVersion = false;
+ }
+ }
+
+ bool ExistsValidEvent() const
+ {
+ return m_bIsValidVersion;
+ }
+
+ bool IsValidEventVersion( const sal_Int32 nEventVersion ) const
+ {
+ return m_bIsValidVersion && nEventVersion == m_nEventVersion;
+ }
+};
+
+#endif // INCLUDED_VCL_INC_SALTIMER_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */