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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 <sal/config.h>
+
+#include <string_view>
+
+#include <propertysethelper.hxx>
+#include <com/sun/star/beans/PropertyVetoException.hpp>
+#include <com/sun/star/beans/UnknownPropertyException.hpp>
+
+using namespace ::com::sun::star;
+
+namespace canvas
+{
+ namespace
+ {
+ void throwUnknown( std::u16string_view aPropertyName )
+ {
+ throw beans::UnknownPropertyException(
+ OUString::Concat("PropertySetHelper: property ") +
+ aPropertyName + " not found."
+ );
+ }
+
+ void throwVeto( std::u16string_view aPropertyName )
+ {
+ throw beans::PropertyVetoException(
+ OUString::Concat("PropertySetHelper: property ") +
+ aPropertyName + " access was vetoed." );
+ }
+
+ struct EntryComparator
+ {
+ bool operator()( const PropertySetHelper::MapType::MapEntry& rLHS,
+ const PropertySetHelper::MapType::MapEntry& rRHS )
+ {
+ return strcmp( rLHS.maKey,
+ rRHS.maKey ) < 0;
+ }
+ };
+ }
+
+ PropertySetHelper::PropertySetHelper()
+ {
+ }
+
+ void PropertySetHelper::initProperties( InputMap&& rMap )
+ {
+ mpMap.reset();
+ maMapEntries = std::move(rMap);
+
+ std::sort( maMapEntries.begin(),
+ maMapEntries.end(),
+ EntryComparator() );
+
+ if( !maMapEntries.empty() )
+ mpMap.reset( new MapType(maMapEntries.data(),
+ maMapEntries.size(),
+ true) );
+ }
+
+ void PropertySetHelper::addProperties( const InputMap& rMap )
+ {
+ InputMap aMerged( maMapEntries );
+ aMerged.insert( aMerged.end(),
+ rMap.begin(),
+ rMap.end() );
+
+ initProperties( std::move(aMerged) );
+ }
+
+ bool PropertySetHelper::isPropertyName( const OUString& aPropertyName ) const
+ {
+ if (!mpMap)
+ return false;
+
+ Callbacks aDummy;
+ return mpMap->lookup( aPropertyName,
+ aDummy );
+ }
+
+ uno::Reference< beans::XPropertySetInfo > PropertySetHelper::getPropertySetInfo() const
+ {
+ // we're a stealth property set
+ return uno::Reference< beans::XPropertySetInfo >();
+ }
+
+ void PropertySetHelper::setPropertyValue( const OUString& aPropertyName,
+ const uno::Any& aValue )
+ {
+ Callbacks aCallbacks;
+ if (!mpMap || !mpMap->lookup(aPropertyName, aCallbacks))
+ {
+ throwUnknown( aPropertyName );
+ }
+
+ if (!aCallbacks.setter)
+ throwVeto( aPropertyName );
+
+ aCallbacks.setter(aValue);
+ }
+
+ uno::Any PropertySetHelper::getPropertyValue( const OUString& aPropertyName ) const
+ {
+ Callbacks aCallbacks;
+ if (!mpMap || !mpMap->lookup(aPropertyName, aCallbacks))
+ {
+ throwUnknown( aPropertyName );
+ }
+
+ if (aCallbacks.getter)
+ return aCallbacks.getter();
+
+ // TODO(Q1): subtlety, empty getter method silently returns
+ // the empty any
+ return uno::Any();
+ }
+
+ void PropertySetHelper::addPropertyChangeListener( const OUString& aPropertyName,
+ const uno::Reference< beans::XPropertyChangeListener >& /*xListener*/ )
+ {
+ // check validity of property, but otherwise ignore the
+ // request
+ if( !isPropertyName( aPropertyName ) )
+ throwUnknown( aPropertyName );
+ }
+
+ void PropertySetHelper::addVetoableChangeListener( const OUString& aPropertyName,
+ const uno::Reference< beans::XVetoableChangeListener >& /*xListener*/ )
+ {
+ // check validity of property, but otherwise ignore the
+ // request
+ if( !isPropertyName( aPropertyName ) )
+ throwUnknown( aPropertyName );
+ }
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */