/* -*- 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_SC_SOURCE_FILTER_INC_FAPIHELPER_HXX #define INCLUDED_SC_SOURCE_FILTER_INC_FAPIHELPER_HXX #include #include #include #include #include #include #include #include #include #include "ftools.hxx" #include "scdllapi.h" namespace com { namespace sun { namespace star { namespace lang { class XMultiServiceFactory; } } } } namespace comphelper { class IDocPasswordVerifier; } // Static helper functions ==================================================== class SfxMedium; class SfxObjectShell; /** Static API helper functions. */ class ScfApiHelper { public: /** Converts a tools color to a UNO color value. */ inline static sal_Int32 ConvertToApiColor( const Color& rColor ) { return static_cast< sal_Int32 >( rColor.GetColor() ); } /** Converts a UNO color value to a tools color. */ inline static Color ConvertFromApiColor( sal_Int32 nApiColor ) { return Color( static_cast< ColorData >( nApiColor ) ); } /** Converts a non-empty vector into a UNO sequence containing elements of the same type. */ template< typename Type > static ::com::sun::star::uno::Sequence< Type > VectorToSequence( const ::std::vector< Type >& rVector ); /** Returns the service name provided via the XServiceName interface, or an empty string on error. */ static OUString GetServiceName( const css::uno::Reference< css::uno::XInterface >& xInt ); /** Returns the multi service factory from a document shell. */ static css::uno::Reference< css::lang::XMultiServiceFactory > GetServiceFactory( SfxObjectShell* pShell ); /** Creates an instance from the passed service name, using the passed service factory. */ static css::uno::Reference< css::uno::XInterface > CreateInstance( const css::uno::Reference< css::lang::XMultiServiceFactory >& xFactory, const OUString& rServiceName ); /** Creates an instance from the passed service name, using the service factory of the passed object. */ static css::uno::Reference< css::uno::XInterface > CreateInstance( SfxObjectShell* pShell, const OUString& rServiceName ); /** Creates an instance from the passed service name, using the process service factory. */ static css::uno::Reference< css::uno::XInterface > CreateInstance( const OUString& rServiceName ); /** Opens a password dialog and returns the encryption data. @return The encryption data or an empty sequence on 'Cancel' or any error. */ static ::com::sun::star::uno::Sequence< ::com::sun::star::beans::NamedValue > QueryEncryptionDataForMedium( SfxMedium& rMedium, ::comphelper::IDocPasswordVerifier& rVerifier, const ::std::vector< OUString >* pDefaultPasswords = 0 ); }; template< typename Type > ::com::sun::star::uno::Sequence< Type > ScfApiHelper::VectorToSequence( const ::std::vector< Type >& rVector ) { OSL_ENSURE( !rVector.empty(), "ScfApiHelper::VectorToSequence - vector is empty" ); return ::com::sun::star::uno::Sequence< Type >( &rVector.front(), static_cast< sal_Int32 >( rVector.size() ) ); } // Property sets ============================================================== /** A wrapper for a UNO property set. This class provides functions to silently get and set properties (without exceptions, without the need to check validity of the UNO property set). An instance is constructed with the reference to a UNO property set or any other interface (the constructor will query for the XPropertySet interface then). The reference to the property set will be kept as long as the instance of this class is alive. The functions GetProperties() and SetProperties() try to handle all passed values at once, using the XMultiPropertySet interface. If the implementation does not support the XMultiPropertySet interface, all properties are handled separately in a loop. */ class ScfPropertySet { public: inline explicit ScfPropertySet() {} /** Constructs a property set wrapper with the passed UNO property set. */ inline explicit ScfPropertySet( const css::uno::Reference< css::beans::XPropertySet > & xPropSet ) { Set( xPropSet ); } /** Constructs a property set wrapper after querying the XPropertySet interface. */ template< typename InterfaceType > inline explicit ScfPropertySet( const css::uno::Reference< InterfaceType >& xInterface ) { Set( xInterface ); } ~ScfPropertySet(); /** Sets the passed UNO property set and releases the old UNO property set. */ void Set( css::uno::Reference< css::beans::XPropertySet > xPropSet ); /** Queries the passed interface for an XPropertySet and releases the old UNO property set. */ template< typename InterfaceType > inline void Set( ::com::sun::star::uno::Reference< InterfaceType > xInterface ) { Set( css::uno::Reference< css::beans::XPropertySet >( xInterface, ::com::sun::star::uno::UNO_QUERY ) ); } /** Returns true, if the contained XPropertySet interface is valid. */ inline bool Is() const { return mxPropSet.is(); } /** Returns the contained XPropertySet interface. */ inline css::uno::Reference< css::beans::XPropertySet > GetApiPropertySet() const { return mxPropSet; } /** Returns the service name provided via the XServiceName interface, or an empty string on error. */ OUString GetServiceName() const; // Get properties --------------------------------------------------------- /** Returns true, if the property set contains the specified property. */ bool HasProperty( const OUString& rPropName ) const; /** Gets the specified property from the property set. @return true, if the Any could be filled with the property value. */ bool GetAnyProperty( css::uno::Any& rValue, const OUString& rPropName ) const; /** Gets the specified property from the property set. @return true, if the passed variable could be filled with the property value. */ template< typename Type > inline bool GetProperty( Type& rValue, const OUString& rPropName ) const { css::uno::Any aAny; return GetAnyProperty( aAny, rPropName ) && (aAny >>= rValue); } /** Gets the specified Boolean property from the property set. @return true = property contains true; false = property contains false or error occurred. */ bool GetBoolProperty( const OUString& rPropName ) const; /** Gets the specified Boolean property from the property set. */ OUString GetStringProperty( const OUString& rPropName ) const; /** Gets the specified color property from the property set. @return true, if the passed color variable could be filled with the property value. */ bool GetColorProperty( Color& rColor, const OUString& rPropName ) const; /** Gets the specified properties from the property set. Tries to use the XMultiPropertySet interface. @param rPropNames The property names. MUST be ordered alphabetically. @param rValues The related property values. */ void GetProperties( css::uno::Sequence< css::uno::Any >& rValues, const css::uno::Sequence< OUString >& rPropNames ) const; // Set properties --------------------------------------------------------- /** Puts the passed Any into the property set. */ void SetAnyProperty( const OUString& rPropName, const css::uno::Any& rValue ); /** Puts the passed value into the property set. */ template< typename Type > inline void SetProperty( const OUString& rPropName, const Type& rValue ) { SetAnyProperty( rPropName, ::com::sun::star::uno::makeAny( rValue ) ); } /** Puts the passed Boolean value into the property set. */ inline void SetBoolProperty( const OUString& rPropName, bool bValue ) { SetAnyProperty( rPropName, ::comphelper::makeBoolAny( bValue ) ); } /** Puts the passed string into the property set. */ inline void SetStringProperty( const OUString& rPropName, const OUString& rValue ) { SetProperty( rPropName, rValue ); } /** Puts the passed color into the property set. */ inline void SetColorProperty( const OUString& rPropName, const Color& rColor ) { SetProperty( rPropName, ScfApiHelper::ConvertToApiColor( rColor ) ); } /** Puts the passed properties into the property set. Tries to use the XMultiPropertySet interface. @param rPropNames The property names. MUST be ordered alphabetically. @param rValues The related property values. */ void SetProperties( const css::uno::Sequence< OUString > & rPropNames, const css::uno::Sequence< css::uno::Any >& rValues ); private: css::uno::Reference< css::beans::XPropertySet > mxPropSet; /// The mandatory property set interface. css::uno::Reference< css::beans::XMultiPropertySet > mxMultiPropSet; /// The optional multi property set interface. }; /** Generic helper class for reading from and writing to property sets. Usage: 1) Call the constructor with a null-terminated array of ASCII strings. 2a) Read properties from a property set: Call the ReadFromPropertySet() function, then get the properties with the ReadValue() functions or the operator>> stream operator. The properties are returned in order of the array of property names passed in the constructor. 2b) Write properties to a property set: Call InitializeWrite() to start a new cycle. Set the values with the WriteValue() functions or the operator<< stream operator. The order of the properties is equal to the array of property names passed in the constructor. Finally, call the WriteToPropertySet() function. */ class ScfPropSetHelper { public: /** @param ppPropNames A null-terminated array of ASCII property names. */ explicit ScfPropSetHelper( const sal_Char* const* ppcPropNames ); // read properties -------------------------------------------------------- /** Reads all values from the passed property set. */ void ReadFromPropertySet( const ScfPropertySet& rPropSet ); /** Reads the next value from the value sequence. */ template< typename Type > bool ReadValue( Type& rValue ); /** Reads an Any from the value sequence. */ bool ReadValue( css::uno::Any& rAny ); /** Reads a color value from the value sequence. */ bool ReadValue( Color& rColor ); /** Reads a C++ boolean value from the value sequence. */ bool ReadValue( bool& rbValue ); // write properties ------------------------------------------------------- /** Must be called before reading or storing property values in the helper. */ void InitializeWrite( bool bClearAllAnys = false ); /** Writes the next value to the value sequence. */ template< typename Type > void WriteValue( const Type& rValue ); /** Writes an Any to the value sequence. */ void WriteValue( const css::uno::Any& rAny ); /** Writes a color value to the value sequence. */ inline void WriteValue( const Color& rColor ) { WriteValue( ScfApiHelper::ConvertToApiColor( rColor ) ); } /** Writes a C++ boolean value to the value sequence. */ void WriteValue( const bool& rbValue ); /** Writes all values to the passed property set. */ void WriteToPropertySet( ScfPropertySet& rPropSet ) const; private: /** Returns a pointer to the next Any to be written to. */ css::uno::Any* GetNextAny(); private: css::uno::Sequence< OUString > maNameSeq; /// Sequence of property names. css::uno::Sequence< css::uno::Any > maValueSeq; /// Sequence of property values. ScfInt32Vec maNameOrder; /// Maps initial order to alphabetical order. size_t mnNextIdx; /// Counter for next Any to be processed. }; template< typename Type > bool ScfPropSetHelper::ReadValue( Type& rValue ) { css::uno::Any* pAny = GetNextAny(); return pAny && (*pAny >>= rValue); } template< typename Type > void ScfPropSetHelper::WriteValue( const Type& rValue ) { css::uno::Any* pAny = GetNextAny(); if( pAny ) *pAny <<= rValue; } template< typename Type > ScfPropSetHelper& operator>>( ScfPropSetHelper& rPropSetHelper, Type& rValue ) { rPropSetHelper.ReadValue( rValue ); return rPropSetHelper; } template< typename Type > ScfPropSetHelper& operator<<( ScfPropSetHelper& rPropSetHelper, const Type& rValue ) { rPropSetHelper.WriteValue( rValue ); return rPropSetHelper; } #endif /* vim:set shiftwidth=4 softtabstop=4 expandtab: */