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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 /cppuhelper/source/implbase.cxx
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 'cppuhelper/source/implbase.cxx')
-rw-r--r--cppuhelper/source/implbase.cxx285
1 files changed, 285 insertions, 0 deletions
diff --git a/cppuhelper/source/implbase.cxx b/cppuhelper/source/implbase.cxx
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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 .
+ */
+
+#include <cppuhelper/compbase_ex.hxx>
+#include <cppuhelper/exc_hlp.hxx>
+#include <osl/diagnose.h>
+#include <sal/log.hxx>
+
+#include <com/sun/star/lang/WrappedTargetRuntimeException.hpp>
+#include <com/sun/star/uno/RuntimeException.hpp>
+
+using namespace ::osl;
+using namespace ::com::sun::star;
+using namespace ::com::sun::star::uno;
+
+
+namespace cppu
+{
+
+// WeakComponentImplHelperBase
+
+WeakComponentImplHelperBase::WeakComponentImplHelperBase( Mutex & rMutex )
+ : rBHelper( rMutex )
+{
+}
+
+WeakComponentImplHelperBase::~WeakComponentImplHelperBase()
+{
+}
+
+void WeakComponentImplHelperBase::disposing()
+{
+}
+
+Any WeakComponentImplHelperBase::queryInterface( Type const & rType )
+{
+ if (rType == cppu::UnoType<lang::XComponent>::get())
+ {
+ void * p = static_cast< lang::XComponent * >( this );
+ return Any( &p, rType );
+ }
+ return OWeakObject::queryInterface( rType );
+}
+
+void WeakComponentImplHelperBase::acquire()
+ noexcept
+{
+ OWeakObject::acquire();
+}
+
+void WeakComponentImplHelperBase::release()
+ noexcept
+{
+ if (osl_atomic_decrement( &m_refCount ) != 0)
+ return;
+
+ // ensure no other references are created, via the weak connection point, from now on
+ disposeWeakConnectionPoint();
+ // restore reference count:
+ osl_atomic_increment( &m_refCount );
+ if (! rBHelper.bDisposed) {
+ try {
+ dispose();
+ }
+ catch (RuntimeException const& exc) { // don't break throw ()
+ SAL_WARN( "cppuhelper", exc );
+ }
+ OSL_ASSERT( rBHelper.bDisposed );
+ }
+ OWeakObject::release();
+}
+
+void WeakComponentImplHelperBase::dispose()
+{
+ ClearableMutexGuard aGuard( rBHelper.rMutex );
+ if (rBHelper.bDisposed || rBHelper.bInDispose)
+ return;
+
+ rBHelper.bInDispose = true;
+ aGuard.clear();
+ try
+ {
+ // side effect: keeping a reference to this
+ lang::EventObject aEvt( static_cast< OWeakObject * >( this ) );
+ try
+ {
+ rBHelper.aLC.disposeAndClear( aEvt );
+ disposing();
+ }
+ catch (...)
+ {
+ MutexGuard aGuard2( rBHelper.rMutex );
+ // bDisposed and bInDispose must be set in this order:
+ rBHelper.bDisposed = true;
+ rBHelper.bInDispose = false;
+ throw;
+ }
+ MutexGuard aGuard2( rBHelper.rMutex );
+ // bDisposed and bInDispose must be set in this order:
+ rBHelper.bDisposed = true;
+ rBHelper.bInDispose = false;
+ }
+ catch (RuntimeException &)
+ {
+ throw;
+ }
+ catch (Exception & exc)
+ {
+ css::uno::Any anyEx = cppu::getCaughtException();
+ throw lang::WrappedTargetRuntimeException(
+ "unexpected UNO exception caught: " + exc.Message,
+ nullptr, anyEx );
+ }
+}
+
+void WeakComponentImplHelperBase::addEventListener(
+ Reference< lang::XEventListener > const & xListener )
+{
+ ClearableMutexGuard aGuard( rBHelper.rMutex );
+ if (rBHelper.bDisposed || rBHelper.bInDispose)
+ {
+ aGuard.clear();
+ lang::EventObject aEvt( static_cast< OWeakObject * >( this ) );
+ xListener->disposing( aEvt );
+ }
+ else
+ {
+ rBHelper.addListener( cppu::UnoType<decltype(xListener)>::get(), xListener );
+ }
+}
+
+void WeakComponentImplHelperBase::removeEventListener(
+ Reference< lang::XEventListener > const & xListener )
+{
+ rBHelper.removeListener( cppu::UnoType<decltype(xListener)>::get(), xListener );
+}
+
+// WeakAggComponentImplHelperBase
+
+WeakAggComponentImplHelperBase::WeakAggComponentImplHelperBase( Mutex & rMutex )
+ : rBHelper( rMutex )
+{
+}
+
+WeakAggComponentImplHelperBase::~WeakAggComponentImplHelperBase()
+{
+}
+
+void WeakAggComponentImplHelperBase::disposing()
+{
+}
+
+Any WeakAggComponentImplHelperBase::queryInterface( Type const & rType )
+{
+ return OWeakAggObject::queryInterface( rType );
+}
+
+Any WeakAggComponentImplHelperBase::queryAggregation( Type const & rType )
+{
+ if (rType == cppu::UnoType<lang::XComponent>::get())
+ {
+ void * p = static_cast< lang::XComponent * >( this );
+ return Any( &p, rType );
+ }
+ return OWeakAggObject::queryAggregation( rType );
+}
+
+void WeakAggComponentImplHelperBase::acquire()
+ noexcept
+{
+ OWeakAggObject::acquire();
+}
+
+void WeakAggComponentImplHelperBase::release()
+ noexcept
+{
+ Reference<XInterface> const xDelegator_(xDelegator);
+ if (xDelegator_.is()) {
+ OWeakAggObject::release();
+ }
+ else if (osl_atomic_decrement( &m_refCount ) == 0) {
+ // ensure no other references are created, via the weak connection point, from now on
+ disposeWeakConnectionPoint();
+ // restore reference count:
+ osl_atomic_increment( &m_refCount );
+ if (! rBHelper.bDisposed) {
+ try {
+ dispose();
+ }
+ catch (RuntimeException const& exc) { // don't break throw ()
+ SAL_WARN( "cppuhelper", exc );
+ }
+ OSL_ASSERT( rBHelper.bDisposed );
+ }
+ OWeakAggObject::release();
+ }
+}
+
+void WeakAggComponentImplHelperBase::dispose()
+{
+ ClearableMutexGuard aGuard( rBHelper.rMutex );
+ if (rBHelper.bDisposed || rBHelper.bInDispose)
+ return;
+
+ rBHelper.bInDispose = true;
+ aGuard.clear();
+ try
+ {
+ // side effect: keeping a reference to this
+ lang::EventObject aEvt( static_cast< OWeakObject * >( this ) );
+ try
+ {
+ rBHelper.aLC.disposeAndClear( aEvt );
+ disposing();
+ }
+ catch (...)
+ {
+ MutexGuard aGuard2( rBHelper.rMutex );
+ // bDisposed and bInDispose must be set in this order:
+ rBHelper.bDisposed = true;
+ rBHelper.bInDispose = false;
+ throw;
+ }
+ MutexGuard aGuard2( rBHelper.rMutex );
+ // bDisposed and bInDispose must be set in this order:
+ rBHelper.bDisposed = true;
+ rBHelper.bInDispose = false;
+ }
+ catch (RuntimeException &)
+ {
+ throw;
+ }
+ catch (Exception & exc)
+ {
+ css::uno::Any anyEx = cppu::getCaughtException();
+ throw lang::WrappedTargetRuntimeException(
+ "unexpected UNO exception caught: " + exc.Message,
+ nullptr, anyEx );
+ }
+}
+
+void WeakAggComponentImplHelperBase::addEventListener(
+ Reference< lang::XEventListener > const & xListener )
+{
+ ClearableMutexGuard aGuard( rBHelper.rMutex );
+ if (rBHelper.bDisposed || rBHelper.bInDispose)
+ {
+ aGuard.clear();
+ lang::EventObject aEvt( static_cast< OWeakObject * >( this ) );
+ xListener->disposing( aEvt );
+ }
+ else
+ {
+ rBHelper.addListener( cppu::UnoType<decltype(xListener)>::get(), xListener );
+ }
+}
+
+void WeakAggComponentImplHelperBase::removeEventListener(
+ Reference< lang::XEventListener > const & xListener )
+{
+ // if we have disposed, then we have cleared the list already
+ MutexGuard aGuard( rBHelper.rMutex );
+ if (!rBHelper.bDisposed)
+ rBHelper.removeListener( cppu::UnoType<decltype(xListener)>::get(), xListener );
+}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */