/* -*- 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_SVX_GALLERY1_HXX

#define INCLUDED_SVX_GALLERY1_HXX

#include <rtl/ustring.hxx>

#include <svl/SfxBroadcaster.hxx>

#include <svx/svxdllapi.h>

#include <tools/urlobj.hxx>

#include <cstdio>

#include <memory>

#include <vector>

class Gallery;

class GalleryFileStorage;

class GalleryFileStorageEntry;

class GalleryObjectCollection;

class GalleryStorageLocations;

class GalleryTheme;

class SVXCORE_DLLPUBLIC GalleryThemeEntry

{

private:

    std::unique_ptr<GalleryFileStorageEntry> mpGalleryStorageEngineEntry;

    OUString                maName;

    sal_uInt32              mnId;

    bool                    mbReadOnly;

    bool                    mbModified;

    bool                    mbThemeNameFromResource;

public:

                            GalleryThemeEntry( bool bCreateUniqueURL,

                                               const INetURLObject& rBaseURL,

                                               const OUString& rName,

                                               bool bReadOnly, bool bNewFile,

                                               sal_uInt32 nId, bool bThemeNameFromResource );

    ~GalleryThemeEntry();

    GalleryStorageLocations& getGalleryStorageLocations() const;

    GalleryTheme* createGalleryTheme(Gallery* pGallery);

    std::unique_ptr<GalleryFileStorage> createGalleryStorageEngine(GalleryObjectCollection& mrGalleryObjectCollection);

    const OUString&         GetThemeName() const { return maName; }

    bool                    IsReadOnly() const { return mbReadOnly; }

    bool                    IsDefault() const;

    bool                    IsHidden() const { return maName.match("private://gallery/hidden/"); }

    bool                    IsModified() const { return mbModified; }

    void                    SetModified( bool bSet ) { mbModified = ( bSet && !IsReadOnly() ); }

    void                    SetName( const OUString& rNewName );

    bool                    IsNameFromResource() const { return mbThemeNameFromResource; }

    sal_uInt32              GetId() const { return mnId; }

    void                    SetId( sal_uInt32 nNewId, bool bResetThemeName );

    void removeTheme();

    std::unique_ptr<GalleryTheme> getCachedTheme(Gallery* pGallery);

    void setStorageLocations(INetURLObject& rURL);

};

class SfxListener;

class GalleryThemeCacheEntry;

class SVXCORE_DLLPUBLIC Gallery final : public SfxBroadcaster

{

    typedef std::vector<GalleryThemeCacheEntry*> GalleryCacheThemeList;

private:

    std::vector< std::unique_ptr<GalleryThemeEntry> > m_aThemeList;

    GalleryCacheThemeList       m_aThemeCache;

    INetURLObject               m_aRelURL;

    INetURLObject               m_aUserURL;

    bool                        m_bMultiPath;

    SAL_DLLPRIVATE void         ImplLoad( std::u16string_view rMultiPath );

    SAL_DLLPRIVATE void         ImplLoadSubDirs( const INetURLObject& rBaseURL, bool& rbIsReadOnly );

    GalleryThemeEntry*          ImplGetThemeEntry( std::u16string_view rThemeName );

    SAL_DLLPRIVATE GalleryTheme* ImplGetCachedTheme( GalleryThemeEntry* pThemeEntry );

    SAL_DLLPRIVATE void         ImplDeleteCachedTheme( GalleryTheme const * pTheme );

    Gallery&                    operator=( Gallery const & ) = delete; // MSVC2015 workaround

                                Gallery( Gallery const & ) = delete; // MSVC2015 workaround

public:

                                // only for gengal utility!

                                Gallery( std::u16string_view rMultiPath );

                                virtual ~Gallery() override;

    static Gallery*             GetGalleryInstance();

    size_t                      GetThemeCount() const { return m_aThemeList.size(); }

    SAL_DLLPRIVATE const GalleryThemeEntry* GetThemeInfo( size_t nPos )

                                { return nPos < m_aThemeList.size() ? m_aThemeList[ nPos ].get() : nullptr; }

    const GalleryThemeEntry* GetThemeInfo( std::u16string_view rThemeName ) { return ImplGetThemeEntry( rThemeName ); }

    bool                        HasTheme( std::u16string_view rThemeName );

    SAL_DLLPRIVATE OUString     GetThemeName( sal_uInt32 nThemeId ) const;

    bool                        CreateTheme( const OUString& rThemeName );

    void                        RenameTheme( const OUString& rOldName, const OUString& rNewName );

    bool                        RemoveTheme( const OUString& rThemeName );

    SAL_RET_MAYBENULL GalleryTheme* AcquireTheme( std::u16string_view rThemeName, SfxListener& rListener );

    void                        ReleaseTheme( GalleryTheme* pTheme, SfxListener& rListener );

public:

    SAL_DLLPRIVATE const INetURLObject& GetUserURL() const { return m_aUserURL; }

    SAL_DLLPRIVATE const INetURLObject& GetRelativeURL() const { return m_aRelURL; }

};

#endif // INCLUDED_SVX_GALLERY1_HXX

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