/* -*- 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 <stdtypes.h>

#include <com/sun/star/embed/VerbAttributes.hpp>

#include <com/sun/star/embed/VerbDescriptor.hpp>

#include <svtools/popupmenucontrollerbase.hxx>

#include <cppuhelper/supportsservice.hxx>

#include <cppuhelper/weak.hxx>

#include <vcl/svapp.hxx>

#include <osl/mutex.hxx>

#include <toolkit/awt/vclxmenu.hxx>

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

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

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

namespace {

class ObjectMenuController :  public svt::PopupMenuControllerBase

{

    using svt::PopupMenuControllerBase::disposing;

public:

    explicit ObjectMenuController( const css::uno::Reference< css::uno::XComponentContext >& xContext );

    // XServiceInfo

    virtual OUString SAL_CALL getImplementationName() override

    {

        return u"com.sun.star.comp.framework.ObjectMenuController"_ustr;

    }

    virtual sal_Bool SAL_CALL supportsService(OUString const & ServiceName) override

    {

        return cppu::supportsService(this, ServiceName);

    }

    virtual css::uno::Sequence<OUString> SAL_CALL getSupportedServiceNames() override

    {

        return {u"com.sun.star.frame.PopupMenuController"_ustr};

    }

    // XStatusListener

    virtual void SAL_CALL statusChanged( const css::frame::FeatureStateEvent& Event ) override;

    // XEventListener

    virtual void SAL_CALL disposing( const css::lang::EventObject& Source ) override;

private:

    void fillPopupMenu( const css::uno::Sequence< css::embed::VerbDescriptor >& rVerbCommandSeq, css::uno::Reference< css::awt::XPopupMenu > const & rPopupMenu );

};

ObjectMenuController::ObjectMenuController( const css::uno::Reference< css::uno::XComponentContext >& xContext ) :

    svt::PopupMenuControllerBase( xContext )

{

}

// private function

void ObjectMenuController::fillPopupMenu( const Sequence< css::embed::VerbDescriptor >& rVerbCommandSeq, Reference< css::awt::XPopupMenu > const & rPopupMenu )

{

    SolarMutexGuard aSolarMutexGuard;

    resetPopupMenu( rPopupMenu );

    static constexpr OUStringLiteral aVerbCommand( u".uno:ObjectMenue?VerbID:short=" );

    for ( sal_Int32 i = 0; i < rVerbCommandSeq.getLength(); i++ )

    {

        const css::embed::VerbDescriptor& rVerb = rVerbCommandSeq[i];

        if ( rVerb.VerbAttributes & css::embed::VerbAttributes::MS_VERBATTR_ONCONTAINERMENU )

        {

            m_xPopupMenu->insertItem( i+1, rVerb.VerbName, 0, i );

            OUString aCommand = aVerbCommand + OUString::number( rVerb.VerbID );

            m_xPopupMenu->setCommand( i+1, aCommand ); // Store verb command

        }

    }

}

// XEventListener

void SAL_CALL ObjectMenuController::disposing( const EventObject& )

{

    Reference< css::awt::XMenuListener > xHolder(this);

    std::unique_lock aLock( m_aMutex );

    m_xFrame.clear();

    m_xDispatch.clear();

    if ( m_xPopupMenu.is() )

        m_xPopupMenu->removeMenuListener( Reference< css::awt::XMenuListener >(this) );

    m_xPopupMenu.clear();

}

// XStatusListener

void SAL_CALL ObjectMenuController::statusChanged( const FeatureStateEvent& Event )

{

    Sequence < css::embed::VerbDescriptor > aVerbCommandSeq;

    if ( Event.State >>= aVerbCommandSeq )

    {

        std::unique_lock aLock( m_aMutex );

        if ( m_xPopupMenu.is() )

            fillPopupMenu( aVerbCommandSeq, m_xPopupMenu );

    }

}

}

extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface *

com_sun_star_comp_framework_ObjectMenuController_get_implementation(

    css::uno::XComponentContext *context,

    css::uno::Sequence<css::uno::Any> const &)

{

    return cppu::acquire(new ObjectMenuController(context));

}

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