extensions/source/propctrlr/propertycomposer.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #pragma once
  21
  22 #include "pcrcommon.hxx"
  23 #include "composeduiupdate.hxx"
  24 #include "formbrowsertools.hxx"
  25
  26 #include <com/sun/star/inspection/XPropertyHandler.hpp>
  27 #include <com/sun/star/lang/DisposedException.hpp>
  28 #include <cppuhelper/compbase.hxx>
  29 #include <cppuhelper/basemutex.hxx>
  30
  31 #include <memory>
  32 #include <vector>
  33 #include <set>
  34
  35
  36 namespace pcr
  37 {
  38
  39
  40     //= PropertyComposer
  41
  42     typedef ::cppu::WeakComponentImplHelper    <   css::inspection::XPropertyHandler
  43                                                 ,   css::beans::XPropertyChangeListener
  44                                                 >   PropertyComposer_Base;
  45     /** implements an <type>XPropertyHandler</type> which composes its information
  46         from a set of other property handlers
  47     */
  48     class PropertyComposer  :public ::cppu::BaseMutex
  49                             ,public PropertyComposer_Base
  50                             ,public IPropertyExistenceCheck
  51     {
  52     public:
  53         typedef std::vector< css::uno::Reference< css::inspection::XPropertyHandler > >
  54                                                             HandlerArray;
  55
  56     private:
  57         HandlerArray                                    m_aSlaveHandlers;
  58         std::unique_ptr< ComposedPropertyUIUpdate >   m_pUIRequestComposer;
  59         PropertyChangeListeners                         m_aPropertyListeners;
  60         bool                                            m_bSupportedPropertiesAreKnown;
  61         PropertyBag                                     m_aSupportedProperties;
  62
  63     public:
  64         /** constructs an <type>XPropertyHandler</type> which composes its information from a set
  65             of other property handlers
  66
  67             @param _rSlaveHandlers
  68                 the set of slave handlers to invoke. Must not be <NULL/>
  69         */
  70         explicit PropertyComposer( std::vector< css::uno::Reference< css::inspection::XPropertyHandler > >&& _rSlaveHandlers );
  71
  72     public:
  73         // XPropertyHandler overridables
  74         virtual void                                SAL_CALL inspect( const css::uno::Reference< css::uno::XInterface >& _rxIntrospectee ) override;
  75         virtual css::uno::Any                       SAL_CALL getPropertyValue( const OUString& _rPropertyName ) override;
  76         virtual void                                SAL_CALL setPropertyValue( const OUString& _rPropertyName, const css::uno::Any& _rValue ) override;
  77         virtual css::uno::Any SAL_CALL convertToPropertyValue( const OUString& _rPropertyName, const css::uno::Any& _rControlValue ) override;
  78         virtual css::uno::Any SAL_CALL convertToControlValue( const OUString& _rPropertyName, const css::uno::Any& _rPropertyValue, const css::uno::Type& _rControlValueType ) override;
  79         virtual css::beans::PropertyState
  80                                                     SAL_CALL getPropertyState( const OUString& _rPropertyName ) override;
  81         virtual void                                SAL_CALL addPropertyChangeListener( const css::uno::Reference< css::beans::XPropertyChangeListener >& _rxListener ) override;
  82         virtual void                                SAL_CALL removePropertyChangeListener( const css::uno::Reference< css::beans::XPropertyChangeListener >& _rxListener ) override;
  83         virtual css::uno::Sequence< css::beans::Property >
  84                                                     SAL_CALL getSupportedProperties() override;
  85         virtual css::uno::Sequence< OUString >
  86                                                     SAL_CALL getSupersededProperties( ) override;
  87         virtual css::uno::Sequence< OUString >
  88                                                     SAL_CALL getActuatingProperties( ) override;
  89         virtual css::inspection::LineDescriptor
  90                                                     SAL_CALL describePropertyLine( const OUString& _rPropertyName, const css::uno::Reference< css::inspection::XPropertyControlFactory >& _rxControlFactory ) override;
  91         virtual sal_Bool                            SAL_CALL isComposable( const OUString& _rPropertyName ) override;
  92         virtual css::inspection::InteractiveSelectionResult
  93                                                     SAL_CALL onInteractivePropertySelection( const OUString& _rPropertyName, sal_Bool _bPrimary, css::uno::Any& _rData, const css::uno::Reference< css::inspection::XObjectInspectorUI >& _rxInspectorUI ) override;
  94         virtual void                                SAL_CALL actuatingPropertyChanged( const OUString& _rActuatingPropertyName, const css::uno::Any& _rNewValue, const css::uno::Any& _rOldValue, const css::uno::Reference< css::inspection::XObjectInspectorUI >& _rxInspectorUI, sal_Bool _bFirstTimeInit ) override;
  95         virtual sal_Bool                            SAL_CALL suspend( sal_Bool _bSuspend ) override;
  96
  97         // XComponent
  98         DECLARE_XCOMPONENT()
  99         virtual void                                SAL_CALL disposing() override;
 100
 101         // XPropertyChangeListener
 102         virtual void SAL_CALL propertyChange( const css::beans::PropertyChangeEvent& evt ) override;
 103
 104         // XEventListener
 105         virtual void SAL_CALL disposing( const css::lang::EventObject& Source ) override;
 106
 107         // IPropertyExistenceCheck
 108         virtual bool hasPropertyByName( const OUString& _rName ) override;
 109
 110     private:
 111         /** ensures that m_pUIRequestComposer exists
 112         */
 113         void    impl_ensureUIRequestComposer( const css::uno::Reference< css::inspection::XObjectInspectorUI >& _rxInspectorUI );
 114
 115         /** checks whether a given property exists in <member>m_aSupportedProperties</member>
 116         */
 117         bool    impl_isSupportedProperty_nothrow( const OUString& _rPropertyName )
 118         {
 119             css::beans::Property aDummy; aDummy.Name = _rPropertyName;
 120             return m_aSupportedProperties.find( aDummy ) != m_aSupportedProperties.end();
 121         }
 122
 123     private:
 124         class MethodGuard;
 125         friend class MethodGuard;
 126         class MethodGuard : public ::osl::MutexGuard
 127         {
 128         public:
 129             explicit MethodGuard( PropertyComposer& _rInstance )
 130                 : ::osl::MutexGuard( _rInstance.m_aMutex )
 131             {
 132                 if ( _rInstance.m_aSlaveHandlers.empty() )
 133                     throw css::lang::DisposedException( OUString(), _rInstance );
 134             }
 135         };
 136     };
 137
 138
 139 } // namespace pcr
 140
 141
 142 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */