/* -*- 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 <svx/gallery1.hxx>

#include <svx/galtheme.hxx>

#include <svx/gallery.hxx>

#include <galobj.hxx>

namespace

{

    SfxListener& theLockListener()

    {

        static SfxListener SINGLETON;

        return SINGLETON;

    }

}

bool GalleryExplorer::FillThemeList( std::vector<OUString>& rThemeList )

{

    Gallery* pGal = ::Gallery::GetGalleryInstance();

    if( pGal )

    {

        for( sal_uInt32 i = 0, nCount = pGal->GetThemeCount(); i < nCount; i++ )

        {

            const GalleryThemeEntry* pEntry = pGal->GetThemeInfo( i );

            if( pEntry && !pEntry->IsReadOnly() && !pEntry->IsHidden() )

                rThemeList.push_back(pEntry->GetThemeName());

        }

    }

    return !rThemeList.empty();

}

bool GalleryExplorer::FillObjList( std::u16string_view rThemeName, std::vector<OUString> &rObjList )

{

    Gallery* pGal = ::Gallery::GetGalleryInstance();

    if( pGal )

    {

        SfxListener     aListener;

        GalleryTheme*   pTheme = pGal->AcquireTheme( rThemeName, aListener );

        if( pTheme )

        {

            for( sal_uInt32 i = 0, nCount = pTheme->GetObjectCount(); i < nCount; i++ )

                rObjList.push_back( pTheme->GetObjectURL( i ).GetMainURL( INetURLObject::DecodeMechanism::NONE ) );

            pGal->ReleaseTheme( pTheme, aListener );

        }

    }

    return !rObjList.empty();

}

bool GalleryExplorer::FillObjList( const sal_uInt32 nThemeId, std::vector<OUString> &rObjList )

{

    Gallery* pGal = ::Gallery::GetGalleryInstance();

    if (!pGal)

        return false;

    return FillObjList( pGal->GetThemeName( nThemeId ), rObjList );

}

bool GalleryExplorer::FillObjListTitle( const sal_uInt32 nThemeId, std::vector< OUString >& rList )

{

    Gallery* pGal = ::Gallery::GetGalleryInstance();

    if( pGal )

    {

        SfxListener     aListener;

        GalleryTheme*   pTheme = pGal->AcquireTheme( pGal->GetThemeName( nThemeId ), aListener );

        if( pTheme )

        {

            for( sal_uInt32 i = 0, nCount = pTheme->GetObjectCount(); i < nCount; i++ )

            {

                std::unique_ptr<SgaObject>  pObj = pTheme->AcquireObject( i );

                if ( pObj )

                {

                    OUString aTitle( pObj->GetTitle() );

                    rList.push_back( aTitle );

                }

            }

            pGal->ReleaseTheme( pTheme, aListener );

        }

    }

    return !rList.empty();

}

bool GalleryExplorer::InsertURL( std::u16string_view rThemeName, std::u16string_view rURL )

{

    Gallery*    pGal = ::Gallery::GetGalleryInstance();

    bool        bRet = false;

    if( pGal )

    {

        SfxListener   aListener;

        GalleryTheme* pTheme = pGal->AcquireTheme( rThemeName, aListener );

        if( pTheme )

        {

            INetURLObject aURL( rURL );

            DBG_ASSERT( aURL.GetProtocol() != INetProtocol::NotValid, "invalid URL" );

            bRet = pTheme->InsertURL( aURL );

            pGal->ReleaseTheme( pTheme, aListener );

        }

    }

    return bRet;

}

bool GalleryExplorer::InsertURL( sal_uInt32 nThemeId, std::u16string_view rURL )

{

    Gallery* pGal = ::Gallery::GetGalleryInstance();

    return pGal && InsertURL( pGal->GetThemeName( nThemeId ), rURL );

}

bool GalleryExplorer::GetGraphicObj( std::u16string_view rThemeName, sal_uInt32 nPos,

                                     Graphic* pGraphic )

{

    Gallery*    pGal = ::Gallery::GetGalleryInstance();

    bool        bRet = false;

    if( pGal )

    {

        SfxListener     aListener;

        GalleryTheme*   pTheme = pGal->AcquireTheme( rThemeName, aListener );

        if( pTheme )

        {

            if( pGraphic )

                bRet = bRet || pTheme->GetGraphic( nPos, *pGraphic );

            pGal->ReleaseTheme( pTheme, aListener );

        }

    }

    return bRet;

}

bool GalleryExplorer::GetGraphicObj( sal_uInt32 nThemeId, sal_uInt32 nPos,

                                     Graphic* pGraphic )

{

    Gallery* pGal = ::Gallery::GetGalleryInstance();

    return pGal && GetGraphicObj( pGal->GetThemeName( nThemeId ), nPos, pGraphic );

}

sal_uInt32 GalleryExplorer::GetSdrObjCount( std::u16string_view rThemeName )

{

    Gallery*    pGal = ::Gallery::GetGalleryInstance();

    sal_uInt32     nRet = 0;

    if( pGal )

    {

        SfxListener     aListener;

        GalleryTheme*   pTheme = pGal->AcquireTheme( rThemeName, aListener );

        if( pTheme )

        {

            for( sal_uInt32 i = 0, nCount = pTheme->GetObjectCount(); i < nCount; i++ )

                if( SgaObjKind::SvDraw == pTheme->GetObjectKind( i ) )

                    nRet++;

            pGal->ReleaseTheme( pTheme, aListener );

        }

    }

    return nRet;

}

sal_uInt32 GalleryExplorer::GetSdrObjCount( sal_uInt32 nThemeId  )

{

    Gallery* pGal = ::Gallery::GetGalleryInstance();

    return( pGal ? GetSdrObjCount( pGal->GetThemeName( nThemeId ) ) : 0 );

}

bool GalleryExplorer::GetSdrObj( std::u16string_view rThemeName, sal_uInt32 nSdrModelPos,

                                 SdrModel* pModel, Bitmap* pThumb )

{

    Gallery*    pGal = ::Gallery::GetGalleryInstance();

    bool        bRet = false;

    if( pGal )

    {

        SfxListener     aListener;

        GalleryTheme*   pTheme = pGal->AcquireTheme( rThemeName, aListener );

        if( pTheme )

        {

            for( sal_uInt32 i = 0, nCount = pTheme->GetObjectCount(), nActPos = 0; ( i < nCount ) && !bRet; i++ )

            {

                if( SgaObjKind::SvDraw == pTheme->GetObjectKind( i ) )

                {

                    if( nActPos++ == nSdrModelPos )

                    {

                        if( pModel )

                            bRet = pTheme->GetModel(i, *pModel);

                        if( pThumb )

                            bRet = bRet || pTheme->GetThumb( i, *pThumb );

                    }

                }

            }

            pGal->ReleaseTheme( pTheme, aListener );

        }

    }

    return bRet;

}

bool GalleryExplorer::GetSdrObj( sal_uInt32 nThemeId, sal_uInt32 nSdrModelPos,

                                 SdrModel* pModel, Bitmap* pThumb )

{

    Gallery* pGal = ::Gallery::GetGalleryInstance();

    return pGal && GetSdrObj( pGal->GetThemeName( nThemeId ), nSdrModelPos, pModel, pThumb );

}

bool GalleryExplorer::BeginLocking( std::u16string_view rThemeName )

{

    Gallery*    pGal = ::Gallery::GetGalleryInstance();

    bool        bRet = false;

    if( pGal )

    {

        GalleryTheme* pTheme = pGal->AcquireTheme( rThemeName, theLockListener() );

        if( pTheme )

        {

            pTheme->LockTheme();

            bRet = true;

        }

    }

    return bRet;

}

bool GalleryExplorer::BeginLocking( sal_uInt32 nThemeId )

{

    Gallery* pGal = ::Gallery::GetGalleryInstance();

    return pGal && BeginLocking( pGal->GetThemeName( nThemeId ) );

}

bool GalleryExplorer::EndLocking( std::u16string_view rThemeName )

{

    Gallery*    pGal = ::Gallery::GetGalleryInstance();

    bool        bRet = false;

    if( pGal )

    {

        SfxListener   aListener;

        GalleryTheme* pTheme = pGal->AcquireTheme( rThemeName, aListener );

        if( pTheme )

        {

            const bool bReleaseLockedTheme = pTheme->UnlockTheme();

            // release acquired theme

            pGal->ReleaseTheme( pTheme, aListener );

            if( bReleaseLockedTheme )

            {

                // release locked theme

                pGal->ReleaseTheme( pTheme, theLockListener() );

                bRet = true;

            }

        }

    }

    return bRet;

}

bool GalleryExplorer::EndLocking( sal_uInt32 nThemeId )

{

    Gallery* pGal = ::Gallery::GetGalleryInstance();

    return pGal && EndLocking( pGal->GetThemeName( nThemeId ) );

}

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