/* -*- 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 INCLUDED_SFX2_REQUEST_HXX
#define INCLUDED_SFX2_REQUEST_HXX

#include <sal/config.h>
#include <sfx2/dllapi.h>
#include <sal/types.h>
#include <svl/itemset.hxx>
#include <svl/hint.hxx>

#include <memory>

class SfxPoolItem;
class SfxItemPool;
class SfxShell;
class SfxSlot;
class SfxViewFrame;
struct SfxRequest_Impl;
enum class SfxCallMode : sal_uInt16;

namespace com::sun::star::beans { struct PropertyValue; }
namespace com::sun::star::frame { class XDispatchRecorder; }
namespace com::sun::star::uno { template <class E> class Sequence; }
namespace weld { class Window; }

class SFX2_DLLPUBLIC SfxRequest final : public SfxHint
{
friend struct SfxRequest_Impl;

    sal_uInt16          nSlot;
    std::unique_ptr<SfxAllItemSet>        pArgs;
    std::unique_ptr< SfxRequest_Impl >    pImpl;

public:
    SAL_DLLPRIVATE void Record_Impl( SfxShell &rSh, const SfxSlot &rSlot,
                                     const css::uno::Reference< css::frame::XDispatchRecorder >& xRecorder,
                                     SfxViewFrame* );
private:
    SAL_DLLPRIVATE void Done_Impl( const SfxItemSet *pSet );

public:
                        SfxRequest( SfxViewFrame&, sal_uInt16 nSlotId );
                        SfxRequest( sal_uInt16 nSlot, SfxCallMode nCallMode, SfxItemPool &rPool );
                        SfxRequest( const SfxSlot* pSlot, const css::uno::Sequence < css::beans::PropertyValue >& rArgs,
                                            SfxCallMode nCallMode, SfxItemPool &rPool );
                        SfxRequest(sal_uInt16 nSlot, SfxCallMode nCallMode, const SfxAllItemSet& rSfxArgs);
                        SfxRequest( sal_uInt16 nSlot, SfxCallMode nCallMode, const SfxAllItemSet& rSfxArgs, const SfxAllItemSet& rSfxInternalArgs );
                        SfxRequest( const SfxRequest& rOrig );
                        virtual ~SfxRequest() override;

    sal_uInt16              GetSlot() const { return nSlot; }
    void                SetSlot(sal_uInt16 nNewSlot) { nSlot = nNewSlot; }

    sal_uInt16          GetModifier() const;
    void                SetModifier( sal_uInt16 nModi );
    void                SetInternalArgs_Impl( const SfxAllItemSet& rArgs );
    SAL_DLLPRIVATE const SfxItemSet* GetInternalArgs_Impl() const;
    const SfxItemSet*   GetArgs() const { return pArgs.get(); }
    void                SetArgs( const SfxAllItemSet& rArgs );
    void                AppendItem(const SfxPoolItem &);
    void                RemoveItem( sal_uInt16 nSlotId );

    /** Templatized access to the individual parameters of the SfxRequest.

        Use like: const SfxInt32Item *pPosItem = rReq.GetArg<SfxInt32Item>(SID_POS);
    */
    template<class T> const T* GetArg(sal_uInt16 nSlotId) const
    {
        if (!pArgs)
            return nullptr;
        return pArgs->GetItem<T>(nSlotId, false);
    }
    template<class T> const T* GetArg(TypedWhichId<T> nSlotId) const
    {
        if (!pArgs)
            return nullptr;
        return pArgs->GetItem(nSlotId, false);
    }

    void                ReleaseArgs();
    void                SetReturnValue(const SfxPoolItem &);
    const SfxPoolItem*  GetReturnValue() const;

    static css::uno::Reference< css::frame::XDispatchRecorder > GetMacroRecorder(const SfxViewFrame& rFrame);
    static bool         HasMacroRecorder(const SfxViewFrame& rFrame);
    SfxCallMode         GetCallMode() const;
    void                AllowRecording( bool );
    bool                AllowsRecording() const;
    bool                IsAPI() const;
    bool                IsSynchronCall() const;
    void                SetSynchronCall( bool bSynchron );

    bool                IsDone() const;
    void                Done( bool bRemove = false );

    void                Ignore();
    void                Cancel();
    bool                IsCancelled() const;
    void                Done(const SfxItemSet &);

    void                ForgetAllArgs();

    /** Return the window that should be used as the parent for any dialogs this request creates
    */
    weld::Window* GetFrameWeld() const;
private:
    const SfxRequest&   operator=(const SfxRequest &) = delete;
};

#endif

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