# Cppcheck report - LibreOffice: framework/source/uifactory/windowcontentfactorymanager.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 <sal/config.h>

    #include <uifactory/configurationaccessfactorymanager.hxx>
    #include <helper/mischelper.hxx>

    #include <com/sun/star/beans/PropertyValue.hpp>
    #include <com/sun/star/frame/ModuleManager.hpp>
    #include <com/sun/star/frame/XModuleManager2.hpp>
    #include <com/sun/star/frame/XFrame.hpp>
    #include <com/sun/star/lang/XServiceInfo.hpp>
    #include <com/sun/star/lang/XSingleComponentFactory.hpp>
    #include <com/sun/star/uno/XComponentContext.hpp>

    #include <cppuhelper/basemutex.hxx>
    #include <cppuhelper/compbase2.hxx>
    #include <cppuhelper/supportsservice.hxx>
    #include <tools/diagnose_ex.h>

    using namespace ::com::sun::star;
    using namespace framework;

    namespace {

    typedef ::cppu::WeakComponentImplHelper2<
        com::sun::star::lang::XServiceInfo,
        com::sun::star::lang::XSingleComponentFactory > WindowContentFactoryManager_BASE;

    class WindowContentFactoryManager : private cppu::BaseMutex,
                                        public WindowContentFactoryManager_BASE
    {
    public:
        WindowContentFactoryManager( const css::uno::Reference< css::uno::XComponentContext>& rxContext );
        virtual ~WindowContentFactoryManager();

        virtual OUString SAL_CALL getImplementationName()
            throw (css::uno::RuntimeException, std::exception) SAL_OVERRIDE
        {
            return OUString("com.sun.star.comp.framework.WindowContentFactoryManager");
        }

        virtual sal_Bool SAL_CALL supportsService(OUString const & ServiceName)
            throw (css::uno::RuntimeException, std::exception) SAL_OVERRIDE
        {
            return cppu::supportsService(this, ServiceName);
        }

        virtual css::uno::Sequence<OUString> SAL_CALL getSupportedServiceNames()
            throw (css::uno::RuntimeException, std::exception) SAL_OVERRIDE
        {
            css::uno::Sequence< OUString > aSeq(1);
            aSeq[0] = "com.sun.star.ui.WindowContentFactoryManager";
            return aSeq;
        }

        // XSingleComponentFactory
        virtual css::uno::Reference< css::uno::XInterface > SAL_CALL createInstanceWithContext( const css::uno::Reference< css::uno::XComponentContext >& Context ) throw (css::uno::Exception, css::uno::RuntimeException, std::exception) SAL_OVERRIDE;
        virtual css::uno::Reference< css::uno::XInterface > SAL_CALL createInstanceWithArgumentsAndContext( const css::uno::Sequence< css::uno::Any >& Arguments, const css::uno::Reference< css::uno::XComponentContext >& Context ) throw (css::uno::Exception, css::uno::RuntimeException, std::exception) SAL_OVERRIDE;

    private:
        virtual void SAL_CALL disposing() SAL_OVERRIDE;

        css::uno::Reference< css::uno::XComponentContext >     m_xContext;
        bool                                               m_bConfigRead;
        ConfigurationAccess_FactoryManager*                    m_pConfigAccess;
    };

    WindowContentFactoryManager::WindowContentFactoryManager( const uno::Reference< uno::XComponentContext >& rxContext ) :
        WindowContentFactoryManager_BASE(m_aMutex),
        m_xContext( rxContext ),
        m_bConfigRead( false )
    {
        m_pConfigAccess = new ConfigurationAccess_FactoryManager( m_xContext,
                "/org.openoffice.Office.UI.WindowContentFactories/Registered/ContentFactories" );
        m_pConfigAccess->acquire();
    }

    WindowContentFactoryManager::~WindowContentFactoryManager()
    {
        disposing();
    }

    void SAL_CALL WindowContentFactoryManager::disposing()
    {
        osl::MutexGuard g(rBHelper.rMutex);

        if (m_pConfigAccess)
        {
            // reduce reference count
            m_pConfigAccess->release();
            m_pConfigAccess = 0;
        }
    }

    // XSingleComponentFactory
    uno::Reference< uno::XInterface > SAL_CALL WindowContentFactoryManager::createInstanceWithContext(
        const uno::Reference< uno::XComponentContext >& /*xContext*/ )
    throw (uno::Exception, uno::RuntimeException, std::exception)
    {
        uno::Reference< uno::XInterface > xWindow;
        return xWindow;
    }

    uno::Reference< uno::XInterface > SAL_CALL WindowContentFactoryManager::createInstanceWithArgumentsAndContext(
        const uno::Sequence< uno::Any >& Arguments, const uno::Reference< uno::XComponentContext >& Context )
    throw (uno::Exception, uno::RuntimeException, std::exception)
    {
        uno::Reference< uno::XInterface > xWindow;
        uno::Reference< frame::XFrame >   xFrame;
        OUString                   aResourceURL;

        for (sal_Int32 i=0; i < Arguments.getLength(); i++ )
        {
            beans::PropertyValue aPropValue;
            if ( Arguments[i] >>= aPropValue )
            {
                if ( aPropValue.Name == "Frame" )
                    aPropValue.Value >>= xFrame;
                else if ( aPropValue.Name == "ResourceURL" )
                    aPropValue.Value >>= aResourceURL;
            }
        }

        // Determine the module identifier
        OUString aType;
        OUString aName;
        OUString aModuleId;
        uno::Reference< frame::XModuleManager2 > xModuleManager =
            frame::ModuleManager::create( m_xContext );
        try
        {
            if ( xFrame.is() && xModuleManager.is() )
                aModuleId = xModuleManager->identify( uno::Reference< uno::XInterface >( xFrame, uno::UNO_QUERY ) );
        }
        catch ( const frame::UnknownModuleException& )
        {
        }

        RetrieveTypeNameFromResourceURL( aResourceURL, aType, aName );
        if ( !aType.isEmpty() &&
             !aName.isEmpty() &&
             !aModuleId.isEmpty() )
        {
            OUString                   aImplementationName;
            uno::Reference< uno::XInterface > xHolder( static_cast<cppu::OWeakObject*>(this), uno::UNO_QUERY );

            // Detetmine the implementation name of the window content factory dependent on the
            // module identifier, user interface element type and name
            { // SAFE
            osl::MutexGuard g(rBHelper.rMutex);
            if ( !m_bConfigRead )
            {
                m_bConfigRead = true;
                m_pConfigAccess->readConfigurationData();
            }
            aImplementationName = m_pConfigAccess->getFactorySpecifierFromTypeNameModule( aType, aName, aModuleId );
            } // SAFE

            if ( !aImplementationName.isEmpty() )
            {
                uno::Reference< lang::XMultiServiceFactory > xServiceManager( Context->getServiceManager(), uno::UNO_QUERY );
                if ( xServiceManager.is() )
                {
                    uno::Reference< lang::XSingleComponentFactory > xFactory(
                        xServiceManager->createInstance( aImplementationName ), uno::UNO_QUERY );
                    if ( xFactory.is() )
                    {
                        // Be careful: We call external code. Therefore here we have to catch all exceptions
                        try
                        {
                            xWindow = xFactory->createInstanceWithArgumentsAndContext( Arguments, Context );
                        }
                        catch ( uno::Exception& )
                        {
                            DBG_UNHANDLED_EXCEPTION();
                        }
                    }
                }
            }
        }

        // UNSAFE
        if ( !xWindow.is())
        {
            // Fallback: Use internal factory code to create a toolkit dialog as a content window
            xWindow = createInstanceWithContext(Context);
        }

        return xWindow;
    }

    struct Instance {
        explicit Instance(
            css::uno::Reference<css::uno::XComponentContext> const & context):
            instance(static_cast<cppu::OWeakObject *>(
                        new WindowContentFactoryManager(context)))
        {
        }

        css::uno::Reference<css::uno::XInterface> instance;
    };

    struct Singleton:
        public rtl::StaticWithArg<
            Instance, css::uno::Reference<css::uno::XComponentContext>, Singleton>
    {};

    }

    extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface * SAL_CALL
    com_sun_star_comp_framework_WindowContentFactoryManager_get_implementation(<--- The function 'com_sun_star_comp_framework_WindowContentFactoryManager_get_implementation' is never used.
        css::uno::XComponentContext *context,
        css::uno::Sequence<css::uno::Any> const &)
    {
        return cppu::acquire(static_cast<cppu::OWeakObject *>(
                    Singleton::get(context).instance.get()));
    }

    /* vim:set shiftwidth=4 softtabstop=4 expandtab: */