/* -*- 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_GALCTRL_HXX

#define INCLUDED_SVX_GALCTRL_HXX

#include <vcl/graph.hxx>

#include <svtools/valueset.hxx>

#include <vcl/GraphicObject.hxx>

#include <vcl/weld/ScrolledWindow.hxx>

#include <vcl/weld/customweld.hxx>

#include <svx/svxdllapi.h>

class GalleryDragDrop;

class GalleryTheme;

class GalleryBrowser;

class INetURLObject;

class GalleryPreview final : public weld::CustomWidgetController

{

private:

    std::unique_ptr<GalleryDragDrop> mxDragDropTargetHelper;

    std::unique_ptr<weld::ScrolledWindow> mxScrolledWindow;

    GraphicObject m_aGraphicObj;

    tools::Rectangle m_aPreviewRect;

    GalleryBrowser* mpParent;

    GalleryTheme* mpTheme;

    bool             ImplGetGraphicCenterRect( const Graphic& rGraphic, tools::Rectangle& rResultRect ) const;

    // Window

    virtual void     Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle& rRect) override;

    virtual void     SetDrawingArea(weld::DrawingArea* pDrawingArea) override;

    virtual bool     MouseButtonDown(const MouseEvent& rMEvt) override;

    virtual bool     Command(const CommandEvent& rCEvt) override;

    virtual bool     KeyInput( const KeyEvent& rKEvt ) override;

public:

    GalleryPreview(GalleryBrowser* pParent, std::unique_ptr<weld::ScrolledWindow> xScrolledWindow);

    void SetTheme(GalleryTheme* pTheme) { mpTheme = pTheme; }

    virtual ~GalleryPreview() override;

    virtual bool StartDrag() override;

    virtual void Show() override;

    virtual void Hide() override;

    void                SetGraphic( const Graphic& rGraphic ) { m_aGraphicObj.SetGraphic( rGraphic ); }

    static void         PreviewMedia( const INetURLObject& rURL );

};

class SVXCORE_DLLPUBLIC DialogGalleryPreview final : public weld::CustomWidgetController

{

private:

    GraphicObject maGraphicObj;

    tools::Rectangle maPreviewRect;

    SVX_DLLPRIVATE bool             ImplGetGraphicCenterRect( const Graphic& rGraphic, tools::Rectangle& rResultRect ) const;

    SVX_DLLPRIVATE virtual void     Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle& rRect) override;

public:

    DialogGalleryPreview();

    virtual void        SetDrawingArea(weld::DrawingArea* pDrawingArea) override;

    void                SetGraphic( const Graphic& rGraphic ) { maGraphicObj.SetGraphic( rGraphic ); }

    bool                SetGraphic( const INetURLObject& );

};

class GalleryIconView final : public ValueSet

{

private:

    std::unique_ptr<GalleryDragDrop> mxDragDropTargetHelper;

    GalleryBrowser*     mpParent;

    GalleryTheme*       mpTheme;

    // ValueSet

    virtual void        UserDraw( const UserDrawEvent& rUDEvt ) override;

    // Window

    virtual bool        MouseButtonDown( const MouseEvent& rMEvt ) override;

    virtual bool        Command( const CommandEvent& rCEvt ) override;

    virtual bool        KeyInput( const KeyEvent& rKEvt ) override;

    virtual void        SetDrawingArea(weld::DrawingArea* pDrawingArea) override;

public:

    GalleryIconView(GalleryBrowser* pParent, std::unique_ptr<weld::ScrolledWindow> xScrolledWindow);

    void SetTheme(GalleryTheme* pTheme) { mpTheme = pTheme; }

    virtual ~GalleryIconView() override;

    virtual bool StartDrag() override;

    static void drawTransparenceBackground(vcl::RenderContext& rOut, const Point& rPos, const Size& rSize);

};

#endif // INCLUDED_SVX_GALCTRL_HXX

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