    /* -*- 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 <com/sun/star/embed/XHatchWindowController.hpp>
    #include <com/sun/star/lang/IllegalArgumentException.hpp>

    #include <hatchwindow.hxx>
    #include "ipwin.hxx"

    #include <toolkit/helper/convert.hxx>
    #include <cppuhelper/queryinterface.hxx>
    #include <osl/mutex.hxx>
    #include <vcl/svapp.hxx>

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

    VCLXHatchWindow::VCLXHatchWindow()
    : VCLXWindow()
    , pHatchWindow(nullptr)
    {
    }

    VCLXHatchWindow::~VCLXHatchWindow()
    {
    }

    void VCLXHatchWindow::initializeWindow( const uno::Reference< awt::XWindowPeer >& xParent,
                    const awt::Rectangle& aBounds,
                    const awt::Size& aSize )
    {
        SolarMutexGuard aGuard;

        VclPtr<vcl::Window> pParent;
        VCLXWindow* pParentComponent = VCLXWindow::GetImplementation( xParent );

        if ( pParentComponent )
            pParent = pParentComponent->GetWindow();

        OSL_ENSURE( pParent, "No parent window is provided!" );
        if ( !pParent )
            throw lang::IllegalArgumentException(); // TODO

        pHatchWindow = VclPtr<SvResizeWindow>::Create( pParent, this );
        pHatchWindow->setPosSizePixel( aBounds.X, aBounds.Y, aBounds.Width, aBounds.Height );
        aHatchBorderSize = aSize;
        pHatchWindow->SetHatchBorderPixel( Size( aSize.Width, aSize.Height ) );

        SetWindow( pHatchWindow );
        pHatchWindow->SetComponentInterface( this );

        //pHatchWindow->Show();
    }

    void VCLXHatchWindow::QueryObjAreaPixel( tools::Rectangle & aRect )
    {
        if ( !m_xController.is() )
            return;

        awt::Rectangle aUnoRequestRect = AWTRectangle( aRect );

        try {
            awt::Rectangle aUnoResultRect = m_xController->calcAdjustedRectangle( aUnoRequestRect );
            aRect = VCLRectangle( aUnoResultRect );
        }
        catch( uno::Exception& )
        {
            OSL_FAIL( "Can't adjust rectangle size!" );
        }
    }

    void VCLXHatchWindow::RequestObjAreaPixel( const tools::Rectangle & aRect )
    {
        if ( m_xController.is() )
        {
            awt::Rectangle aUnoRequestRect = AWTRectangle( aRect );

            try {
                m_xController->requestPositioning( aUnoRequestRect );
            }
            catch( uno::Exception& )
            {
                OSL_FAIL( "Can't request resizing!" );
            }
        }
    }

    void VCLXHatchWindow::InplaceDeactivate()
    {
        if ( m_xController.is() )
        {
            // TODO: communicate with controller
        }
    }

    uno::Any SAL_CALL VCLXHatchWindow::queryInterface( const uno::Type & rType )
    {
        // Attention:
        //    Don't use mutex or guard in this method!!! Is a method of XInterface.

        uno::Any aReturn( ::cppu::queryInterface( rType,
                                               static_cast< embed::XHatchWindow* >( this ) ) );

        if ( aReturn.hasValue() )
        {
            return aReturn ;
        }

        return VCLXWindow::queryInterface( rType ) ;
    }

    void SAL_CALL VCLXHatchWindow::acquire()
        throw()
    {
        VCLXWindow::acquire();
    }

    void SAL_CALL VCLXHatchWindow::release()
        throw()
    {
        VCLXWindow::release();
    }

    uno::Sequence< uno::Type > SAL_CALL VCLXHatchWindow::getTypes()
    {
        static ::cppu::OTypeCollection* pTypeCollection = nullptr ;

        if ( pTypeCollection == nullptr )
        {
            ::osl::MutexGuard aGuard( ::osl::Mutex::getGlobalMutex() ) ;

            if ( pTypeCollection == nullptr )
            {
                static ::cppu::OTypeCollection aTypeCollection(
                        cppu::UnoType<embed::XHatchWindow>::get(),
                        VCLXHatchWindow::getTypes() );

                pTypeCollection = &aTypeCollection ;
            }
        }

        return pTypeCollection->getTypes() ;
    }

    uno::Sequence< sal_Int8 > SAL_CALL VCLXHatchWindow::getImplementationId()
    {
        return css::uno::Sequence<sal_Int8>();
    }

    css::awt::Size SAL_CALL VCLXHatchWindow::getHatchBorderSize()
    {
        return aHatchBorderSize;
    }

    void SAL_CALL VCLXHatchWindow::setHatchBorderSize( const css::awt::Size& _hatchbordersize )
    {
        if ( pHatchWindow )
        {
            aHatchBorderSize = _hatchbordersize;
            pHatchWindow->SetHatchBorderPixel( Size( aHatchBorderSize.Width, aHatchBorderSize.Height ) );
        }
    }

    void SAL_CALL VCLXHatchWindow::setController( const uno::Reference< embed::XHatchWindowController >& xController )
    {
        m_xController = xController;
    }

    void SAL_CALL VCLXHatchWindow::dispose()
    {
        pHatchWindow.clear();
        VCLXWindow::dispose();
    }

    void SAL_CALL VCLXHatchWindow::addEventListener( const uno::Reference< lang::XEventListener >& xListener )
    {
        VCLXWindow::addEventListener( xListener );
    }

    void SAL_CALL VCLXHatchWindow::removeEventListener( const uno::Reference< lang::XEventListener >& xListener )
    {
        VCLXWindow::removeEventListener( xListener );
    }

    void VCLXHatchWindow::Activated()
    {
        if ( m_xController.is() )
            m_xController->activated();
    }

    void VCLXHatchWindow::Deactivated()
    {
        if ( m_xController.is() )
            m_xController->deactivated();
    }

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

↑ V547 Expression 'pTypeCollection == nullptr' is always true.