/* -*- 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 <config_folders.h>

#include <ucbhelper/content.hxx>

#include <vcl/canvastools.hxx>

#include <vcl/vectorgraphicdata.hxx>

#include <com/sun/star/rendering/XIntegerReadOnlyBitmap.hpp>

#include <com/sun/star/beans/PropertyValue.hpp>

#include <com/sun/star/graphic/Primitive2DTools.hpp>

#include <com/sun/star/uno/Reference.h>

#include <unotools/configmgr.hxx>

#include <comphelper/diagnose_ex.hxx>

#include <comphelper/processfactory.hxx>

#include <osl/diagnose.h>

#include <rtl/bootstrap.hxx>

#include <svl/stritem.hxx>

#include <tools/stream.hxx>

#include <tools/urlobj.hxx>

#include <sfx2/app.hxx>

#include <appdata.hxx>

#include <sfx2/dispatch.hxx>

#include <sfx2/module.hxx>

#include <sfx2/msgpool.hxx>

#include <sfx2/sfxsids.hrc>

#include <sfx2/viewfrm.hxx>

#include <sfx2/objface.hxx>

#include <basegfx/matrix/b2dhommatrixtools.hxx>

#include <drawinglayer/primitive2d/transformprimitive2d.hxx>

#define ShellClass_SfxApplication

#include <sfxslots.hxx>

using namespace ::com::sun::star;

using namespace ::com::sun::star::uno;

using namespace ::com::sun::star::util;

using namespace ::com::sun::star::beans;

SFX_IMPL_INTERFACE(SfxApplication,SfxShell)

void SfxApplication::InitInterface_Impl()

{

    GetStaticInterface()->RegisterStatusBar(StatusBarId::GenericStatusBar);

    GetStaticInterface()->RegisterChildWindow(SID_DOCKWIN_0);

    GetStaticInterface()->RegisterChildWindow(SID_DOCKWIN_1);

    GetStaticInterface()->RegisterChildWindow(SID_DOCKWIN_2);

    GetStaticInterface()->RegisterChildWindow(SID_DOCKWIN_3);

    GetStaticInterface()->RegisterChildWindow(SID_DOCKWIN_4);

    GetStaticInterface()->RegisterChildWindow(SID_DOCKWIN_5);

    GetStaticInterface()->RegisterChildWindow(SID_DOCKWIN_6);

    GetStaticInterface()->RegisterChildWindow(SID_DOCKWIN_7);

    GetStaticInterface()->RegisterChildWindow(SID_DOCKWIN_8);

    GetStaticInterface()->RegisterChildWindow(SID_DOCKWIN_9);

}

/** Returns the running SfxProgress for the entire application or 0 if

    none is running for the entire application.

    [Cross-reference]

    <SfxProgress::GetActiveProgress(SfxViewFrame*)>

    <SfxViewFrame::GetProgress()const>

*/

SfxProgress* SfxApplication::GetProgress() const

{

    return pImpl->pProgress;

}

SfxModule* SfxApplication::GetModule_Impl()

{

    SfxModule* pModule = SfxModule::GetActiveModule();

    if ( !pModule )

        pModule = SfxModule::GetActiveModule( SfxViewFrame::GetFirst( nullptr, false ) );

    if( pModule )

        return pModule;

    else

    {

        OSL_FAIL( "No module!" );

        return nullptr;

    }

}

bool  SfxApplication::IsDowning() const { return pImpl->bDowning; }

SfxDispatcher* SfxApplication::GetAppDispatcher_Impl() { return &*pImpl->pAppDispat; }

SfxSlotPool& SfxApplication::GetAppSlotPool_Impl() const { return *pImpl->pSlotPool; }

static bool FileExists( const INetURLObject& rURL )

{

    bool bRet = false;

    if( rURL.GetProtocol() != INetProtocol::NotValid )

    {

        try

        {

            ::ucbhelper::Content  aCnt( rURL.GetMainURL( INetURLObject::DecodeMechanism::NONE ), uno::Reference< ucb::XCommandEnvironment >(), comphelper::getProcessComponentContext() );

            OUString aTitle;

            aCnt.getPropertyValue(u"Title"_ustr) >>= aTitle;

            bRet = ( !aTitle.isEmpty() );

        }

        catch(const Exception&)

        {

            return false;

        }

    }

    return bRet;

}

bool SfxApplication::loadBrandSvg(std::u16string_view sName, Bitmap &rBitmap, int nWidth)

{

    // Load from disk

    OUString aBaseName = u"/"_ustr + sName;

    OUString uri = "$BRAND_BASE_DIR/" LIBO_ETC_FOLDER + aBaseName + ".svg";

    rtl::Bootstrap::expandMacros( uri );

    INetURLObject aObj( uri );

    if ( !FileExists(aObj) )

        return false;

    // Read the SVG file

    SvFileStream aStream(aObj.PathToFileName(), StreamMode::STD_READ);

    if (aStream.GetError())

        return false;

    BinaryDataContainer aDataContainer(aStream, aStream.remainingSize());

    if (aStream.GetError())

        return false;

    VectorGraphicData aVectorGraphicData(std::move(aDataContainer), VectorGraphicDataType::Svg);

    // transform into [0,0,width,width*aspect] std dimensions

    basegfx::B2DRange aRange(aVectorGraphicData.getRange());

    const double fAspectRatio(

        aRange.getHeight() == 0.0 ? 1.0 : aRange.getWidth()/aRange.getHeight());

    basegfx::B2DHomMatrix aTransform(

        basegfx::utils::createTranslateB2DHomMatrix(

            -aRange.getMinX(),

            -aRange.getMinY()));

    aTransform.scale(

        aRange.getWidth() == 0.0 ? 1.0 : nWidth / aRange.getWidth(),

        (aRange.getHeight() == 0.0

         ? 1.0 : nWidth / fAspectRatio / aRange.getHeight()));

    const drawinglayer::primitive2d::Primitive2DReference xTransformRef(

        new drawinglayer::primitive2d::TransformPrimitive2D(

            aTransform,

            drawinglayer::primitive2d::Primitive2DContainer(aVectorGraphicData.getPrimitive2DSequence())));

    // UNO dance to render from drawinglayer

    const uno::Reference< uno::XComponentContext >& xContext(::comphelper::getProcessComponentContext());

    try

    {

        const uno::Reference< graphic::XPrimitive2DRenderer > xPrimitive2DRenderer =

            graphic::Primitive2DTools::create( xContext );

        // cancel out rasterize's mm2pixel conversion

        // see fFactor100th_mmToInch in

        // drawinglayer/source/drawinglayeruno/xprimitive2drenderer.cxx

        constexpr double fFakeDPI = o3tl::convert(1.0, o3tl::Length::in, o3tl::Length::mm100);

        geometry::RealRectangle2D aRealRect(

            0, 0,

            nWidth, nWidth / fAspectRatio);

        const uno::Reference< rendering::XBitmap > xBitmap(

            xPrimitive2DRenderer->rasterize(

                drawinglayer::primitive2d::Primitive2DContainer{xTransformRef}.toSequence(),

                uno::Sequence< beans::PropertyValue >(),

                fFakeDPI,

                fFakeDPI,

                aRealRect,

                500000));

        if(xBitmap.is())

        {

            const uno::Reference< rendering::XIntegerReadOnlyBitmap> xIntBmp(xBitmap, uno::UNO_QUERY_THROW);

            rBitmap = vcl::unotools::bitmapFromXBitmap(xIntBmp);

            return true;

        }

    }

    catch(const uno::Exception&)

    {

        TOOLS_WARN_EXCEPTION("sfx.appl", "Got no graphic::XPrimitive2DRenderer (!)" );

    }

    return false;

}

/** loads the application logo as used in the impress slideshow pause screen */

Bitmap SfxApplication::GetApplicationLogo(tools::Long nWidth)

{

    Bitmap aBitmap;

    SfxApplication::loadBrandSvg(u"shell/about", aBitmap, nWidth);

    return aBitmap;

}

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