/* -*- 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 DBAUI_ICONTROLLER_HXX
#define DBAUI_ICONTROLLER_HXX

#include <com/sun/star/beans/PropertyValue.hpp>
#include <com/sun/star/uno/Sequence.hxx>
#include "IReference.hxx"
#include "dbaccessdllapi.h"

namespace com { namespace sun { namespace star {
    namespace util {
        struct URL;
    }
    namespace frame {
        class XController;
    }
} } }

class NotifyEvent;

namespace dbaui
{
    // interface for controller depended calls like commands
    class DBACCESS_DLLPUBLIC IController : public IReference
    {
    public:
        /** executes the given command without checking if it is allowed
            @param  _rCommand   the URL of the command
        */
        virtual void executeUnChecked(const ::com::sun::star::util::URL& _rCommand, const ::com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyValue>& aArgs) = 0;

        /** executes the given command only when it is allowed
            @param  _rCommand
                the URL of the command
        */
        virtual void executeChecked(const ::com::sun::star::util::URL& _rCommand, const ::com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyValue>& aArgs) = 0;

        /** executes the given command without checking if it is allowed
            @param  _nCommandId
                the id of the command URL
        */
        virtual void executeUnChecked(sal_uInt16 _nCommandId, const ::com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyValue>& aArgs) = 0;

        /** executes the given command only when it is allowed
            @param  _nCommandId
                the id of the command URL
        */
        virtual void executeChecked(sal_uInt16 _nCommandId, const ::com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyValue>& aArgs) = 0;


        /** checks if the given Command is enabled
            @param  _nCommandId
                the id of the command URL

            @return
                <TRUE/> if the command is allowed, otherwise <FALSE/>.
        */
        virtual sal_Bool isCommandEnabled(sal_uInt16 _nCommandId) const = 0;

        /** checks if the given Command is enabled
            @param  _rCompleteCommandURL
                the URL of the command

            @return
                <TRUE/> if the command is allowed, otherwise <FALSE/>.
        */
        virtual sal_Bool isCommandEnabled( const OUString& _rCompleteCommandURL ) const = 0;

        /** registers a command URL, giving it a unique name

            If you call this with a command URL which is supported by the controller, then
            you will simply get the controller's internal numeric shortcut to this command.

            If you call this with a command URL which is not supported by the controller, then
            you will get a new ID, which is unique during the lifetime of the controller.

            If the command URL is invalid, or the controller cannot register new commands anymore,
            then 0 is returned.
        */
        virtual sal_uInt16
                        registerCommandURL( const OUString& _rCompleteCommandURL ) = 0;

        /** notifyHiContrastChanged will be called when the hicontrast mode changed.
            @param  _bHiContrast
                <TRUE/> when in hicontrast mode.
        */
        virtual void notifyHiContrastChanged() = 0;

        /** checks if the selected data source is read only
            @return
                <TRUE/> if read only, otherwise <FALSE/>
        */
        virtual sal_Bool isDataSourceReadOnly() const = 0;

        /** provides access to the model of the controller

            This must be the same model as returned by XController::getModel, and might be <NULL/> when
            the controller does not have an own model.
        */
        virtual ::com::sun::star::uno::Reference< ::com::sun::star::frame::XController >
                getXController(void) throw( ::com::sun::star::uno::RuntimeException ) = 0;

        /** allows interception of user input, aka mouse clicks and key events
        */
        virtual bool interceptUserInput( const NotifyEvent& _rEvent ) = 0;

    protected:
        ~IController() {}
    };
}
#endif // DBAUI_ICONTROLLER_HXX

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