/*
 * 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 "Tools.hxx"

#include "sfx2/sidebar/Theme.hxx"

#include "sfx2/imagemgr.hxx"
#include <comphelper/processfactory.hxx>
#include <comphelper/componentcontext.hxx>
#include <comphelper/namedvaluecollection.hxx>
#include <vcl/gradient.hxx>

#include <com/sun/star/graphic/XGraphicProvider.hpp>

#include <cstring>

using namespace css;
using namespace cssu;


namespace sfx2 { namespace sidebar {

Image Tools::GetImage (
    const ::rtl::OUString& rsImageURL,
    const ::rtl::OUString& rsHighContrastImageURL,
    const Reference<frame::XFrame>& rxFrame)
{
    if (Theme::IsHighContrastMode())
        return GetImage(rsHighContrastImageURL, rxFrame);
    else
        return GetImage(rsImageURL, rxFrame);
}




Image Tools::GetImage (
    const ::rtl::OUString& rsURL,
    const Reference<frame::XFrame>& rxFrame)
{
    if (rsURL.getLength() > 0)
    {
        const sal_Char  sUnoCommandPrefix[] = ".uno:";
        const sal_Char  sCommandImagePrefix[] = "private:commandimage/";
        const sal_Int32 nCommandImagePrefixLength = strlen(sCommandImagePrefix);

        if (rsURL.startsWith(sUnoCommandPrefix))
        {
            const Image aPanelImage (::GetImage(rxFrame, rsURL, sal_False));
            return aPanelImage;
        }
        else if (rsURL.startsWith(sCommandImagePrefix))
        {
            ::rtl::OUStringBuffer aCommandName;
            aCommandName.appendAscii(sUnoCommandPrefix);
            aCommandName.append(rsURL.copy(nCommandImagePrefixLength));
            const ::rtl::OUString sCommandName (aCommandName.makeStringAndClear());

            const Image aPanelImage (::GetImage(rxFrame, sCommandName, sal_False));
            return aPanelImage;
        }
        else
        {
            const ::comphelper::ComponentContext aContext (::comphelper::getProcessServiceFactory());
            const Reference<graphic::XGraphicProvider> xGraphicProvider (
                aContext.createComponent("com.sun.star.graphic.GraphicProvider"),
                UNO_QUERY);
            if ( xGraphicProvider.is())
            {
                ::comphelper::NamedValueCollection aMediaProperties;
                aMediaProperties.put("URL", rsURL);
                const Reference<graphic::XGraphic> xGraphic (
                    xGraphicProvider->queryGraphic(aMediaProperties.getPropertyValues()),
                    UNO_QUERY);
                if (xGraphic.is())
                    return Image(xGraphic);
            }
        }
    }
    return Image();
}




css::awt::Gradient Tools::VclToAwtGradient (const Gradient aVclGradient)
{
    css::awt::Gradient aAwtGradient (
        awt::GradientStyle(aVclGradient.GetStyle()),
        aVclGradient.GetStartColor().GetRGBColor(),
        aVclGradient.GetEndColor().GetRGBColor(),
        aVclGradient.GetAngle(),
        aVclGradient.GetBorder(),
        aVclGradient.GetOfsX(),
        aVclGradient.GetOfsY(),
        aVclGradient.GetStartIntensity(),
        aVclGradient.GetEndIntensity(),
        aVclGradient.GetSteps());
    return aAwtGradient;
}




Gradient Tools::AwtToVclGradient (const css::awt::Gradient aAwtGradient)
{
    Gradient aVclGradient (
        GradientStyle(aAwtGradient.Style),
        aAwtGradient.StartColor,
        aAwtGradient.EndColor);
    aVclGradient.SetAngle(aAwtGradient.Angle);
    aVclGradient.SetBorder(aAwtGradient.Border);
    aVclGradient.SetOfsX(aAwtGradient.XOffset);
    aVclGradient.SetOfsY(aAwtGradient.YOffset);
    aVclGradient.SetStartIntensity(aAwtGradient.StartIntensity);
    aVclGradient.SetEndIntensity(aAwtGradient.EndIntensity);
    aVclGradient.SetSteps(aAwtGradient.StepCount);

    return aVclGradient;
}




SvBorder Tools::RectangleToSvBorder (const Rectangle aBox)
{
    return SvBorder(
        aBox.Left(),
        aBox.Top(),
        aBox.Right(),
        aBox.Bottom());
}

} } // end of namespace sfx2::sidebar