/* -*- 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 CHART2_FEATURECOMMANDDISPATCHBASE_HXX
#define CHART2_FEATURECOMMANDDISPATCHBASE_HXX

#include "CommandDispatch.hxx"

#include <com/sun/star/frame/CommandGroup.hpp>
#include <com/sun/star/frame/DispatchInformation.hpp>
#include <com/sun/star/util/URL.hpp>

namespace chart
{

struct ControllerFeature: public ::com::sun::star::frame::DispatchInformation
{
    sal_uInt16 nFeatureId;
};

typedef ::std::map< OUString,
                    ControllerFeature,
                    ::std::less< OUString > > SupportedFeatures;

struct FeatureState
{
    bool bEnabled;
    ::com::sun::star::uno::Any aState;

    FeatureState() : bEnabled( false ) { }
};

/** This is a base class for CommandDispatch implementations with feature support.
 */
class FeatureCommandDispatchBase: public CommandDispatch
{
public:
    FeatureCommandDispatchBase( const ::com::sun::star::uno::Reference<
        ::com::sun::star::uno::XComponentContext >& rxContext );
    virtual ~FeatureCommandDispatchBase();

    // late initialisation, especially for adding as listener
    virtual void initialize();

    virtual bool isFeatureSupported( const OUString& rCommandURL );

protected:
    // XDispatch
    virtual void SAL_CALL dispatch( const ::com::sun::star::util::URL& URL,
        const ::com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyValue >& Arguments )
        throw (::com::sun::star::uno::RuntimeException);

    virtual void fireStatusEvent( const OUString& rURL,
        const ::com::sun::star::uno::Reference< ::com::sun::star::frame::XStatusListener >& xSingleListener );

    // state of a feature
    virtual FeatureState getState( const OUString& rCommand ) = 0;

    // execute a feature
    virtual void execute( const OUString& rCommand, const ::com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyValue>& rArgs ) = 0;

    // all the features which should be handled by this class
    virtual void describeSupportedFeatures() = 0;

    /** describes a feature supported by the controller

        Must not be called outside <member>describeSupportedFeatures</member>.

        @param pAsciiCommandURL
            the URL of the feature command
        @param nId
            the id of the feature. Later references to this feature usually happen by id, not by
            URL.
        @param nGroup
            the command group of the feature. This is important for configuring the controller UI
            by the user, see also <type scope="com::sun::star::frame">CommandGroup</type>.
    */
    void implDescribeSupportedFeature( const sal_Char* pAsciiCommandURL, sal_uInt16 nId,
        sal_Int16 nGroup = ::com::sun::star::frame::CommandGroup::INTERNAL );

    mutable SupportedFeatures m_aSupportedFeatures;

    sal_uInt16 m_nFeatureId;

private:
    void fillSupportedFeatures();
};

} //  namespace chart

// CHART2_FEATURECOMMANDDISPATCHBASE_HXX
#endif

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