/* -*- 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 <com/sun/star/embed/EntryInitModes.hpp>

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

#include <com/sun/star/container/XNameAccess.hpp>

#include <com/sun/star/embed/Aspects.hpp>

#include <com/sun/star/io/IOException.hpp>

#include <com/sun/star/lang/NoSupportException.hpp>

#include <com/sun/star/lang/IllegalArgumentException.hpp>

#include "xolefactory.hxx"

#include <oleembobj.hxx>

#include <cppuhelper/supportsservice.hxx>

#include <cppuhelper/weak.hxx>

#include <officecfg/Office/Common.hxx>

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

// TODO: do not create OLE objects that represent OOo documents

uno::Reference< uno::XInterface > SAL_CALL OleEmbeddedObjectFactory::createInstanceInitFromEntry(

                                                                    const uno::Reference< embed::XStorage >& xStorage,

                                                                    const OUString& sEntName,

                                                                    const uno::Sequence< beans::PropertyValue >& aMedDescr,

                                                                    const uno::Sequence< beans::PropertyValue >& lObjArgs )

{

    if ( officecfg::Office::Common::Security::Scripting::DisableActiveContent::get() )

        throw lang::NoSupportException(u"Active OLE content is disabled!"_ustr);

    if ( !xStorage.is() )

        throw lang::IllegalArgumentException( u"No parent storage is provided!"_ustr,

                                            static_cast< ::cppu::OWeakObject* >(this),

                                            1 );

    if ( sEntName.isEmpty() )

        throw lang::IllegalArgumentException( u"Empty element name is provided!"_ustr,

                                            static_cast< ::cppu::OWeakObject* >(this),

                                            2 );

    uno::Reference< container::XNameAccess > xNameAccess( xStorage, uno::UNO_QUERY_THROW );

    // detect entry existence

    if ( !xNameAccess->hasByName( sEntName ) )

        throw container::NoSuchElementException();

    if ( !xStorage->isStreamElement( sEntName ) )

    {

        // if it is not an OLE object throw an exception

        throw io::IOException(); // TODO:

    }

    uno::Reference< uno::XInterface > xResult(

                    static_cast< ::cppu::OWeakObject* > ( new OleEmbeddedObject( m_xContext, false ) ),

                    uno::UNO_QUERY );

    uno::Reference< embed::XEmbedPersist > xPersist( xResult, uno::UNO_QUERY_THROW );

    xPersist->setPersistentEntry( xStorage,

                                    sEntName,

                                    embed::EntryInitModes::DEFAULT_INIT,

                                    aMedDescr,

                                    lObjArgs );

    for ( beans::PropertyValue const & prop : lObjArgs )

    {

        if ( prop.Name == "CloneFrom" )

        {

            try

            {

                uno::Reference < embed::XEmbeddedObject > xObj;

                uno::Reference < embed::XEmbeddedObject > xNew( xResult, uno::UNO_QUERY );

                prop.Value >>= xObj;

                if ( xObj.is() )

                    xNew->setVisualAreaSize( embed::Aspects::MSOLE_CONTENT, xObj->getVisualAreaSize( embed::Aspects::MSOLE_CONTENT ) );

            }

            catch ( const uno::Exception& ) {}

            break;

        }

    }

    return xResult;

}

uno::Reference< uno::XInterface > SAL_CALL OleEmbeddedObjectFactory::createInstanceInitFromMediaDescriptor(

        const uno::Reference< embed::XStorage >& xStorage,

        const OUString& sEntName,

        const uno::Sequence< beans::PropertyValue >& aMediaDescr,

        const uno::Sequence< beans::PropertyValue >& lObjArgs )

{

    if ( officecfg::Office::Common::Security::Scripting::DisableActiveContent::get() )

        throw lang::NoSupportException(u"Active OLE content is disabled!"_ustr);

    if ( !xStorage.is() )

        throw lang::IllegalArgumentException( u"No parent storage is provided!"_ustr,

                                            static_cast< ::cppu::OWeakObject* >(this),

                                            1 );

    if ( sEntName.isEmpty() )

        throw lang::IllegalArgumentException( u"Empty element name is provided!"_ustr,

                                            static_cast< ::cppu::OWeakObject* >(this),

                                            2 );

    uno::Reference< uno::XInterface > xResult(

                    static_cast< ::cppu::OWeakObject* > ( new OleEmbeddedObject( m_xContext, false ) ),

                    uno::UNO_QUERY );

    uno::Reference< embed::XEmbedPersist > xPersist( xResult, uno::UNO_QUERY_THROW );

    xPersist->setPersistentEntry( xStorage,

                                    sEntName,

                                    embed::EntryInitModes::MEDIA_DESCRIPTOR_INIT,

                                    aMediaDescr,

                                    lObjArgs );

    return xResult;

}

uno::Reference< uno::XInterface > SAL_CALL OleEmbeddedObjectFactory::createInstanceInitNew(

                                            const uno::Sequence< sal_Int8 >& aClassID,

                                            const OUString& aClassName,

                                            const uno::Reference< embed::XStorage >& xStorage,

                                            const OUString& sEntName,

                                            const uno::Sequence< beans::PropertyValue >& lObjArgs )

{

    if ( officecfg::Office::Common::Security::Scripting::DisableActiveContent::get() )

        throw lang::NoSupportException(u"Active OLE content is disabled!"_ustr);

    if ( !xStorage.is() )

        throw lang::IllegalArgumentException( u"No parent storage is provided!"_ustr,

                                            static_cast< ::cppu::OWeakObject* >(this),

                                            3 );

    if ( sEntName.isEmpty() )

        throw lang::IllegalArgumentException( u"Empty element name is provided!"_ustr,

                                            static_cast< ::cppu::OWeakObject* >(this),

                                            4 );

    uno::Reference< uno::XInterface > xResult(

                    static_cast< ::cppu::OWeakObject* > ( new OleEmbeddedObject( m_xContext, aClassID, aClassName ) ),

                    uno::UNO_QUERY );

    uno::Reference< embed::XEmbedPersist > xPersist( xResult, uno::UNO_QUERY_THROW );

    xPersist->setPersistentEntry( xStorage,

                                    sEntName,

                                    embed::EntryInitModes::TRUNCATE_INIT,

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

                                    lObjArgs );

    return xResult;

}

uno::Reference< uno::XInterface > SAL_CALL OleEmbeddedObjectFactory::createInstanceLink(

                                            const uno::Reference< embed::XStorage >& xStorage,

                                            const OUString& sEntName,

                                            const uno::Sequence< beans::PropertyValue >& aMediaDescr,

                                            const uno::Sequence< beans::PropertyValue >& lObjArgs )

{

    if ( officecfg::Office::Common::Security::Scripting::DisableActiveContent::get() )

        throw lang::NoSupportException(u"Active OLE content is disabled!"_ustr);

    if ( !xStorage.is() )

        throw lang::IllegalArgumentException( u"No parent storage is provided!"_ustr,

                                            static_cast< ::cppu::OWeakObject* >(this),

                                            1 );

    if ( sEntName.isEmpty() )

        throw lang::IllegalArgumentException( u"Empty element name is provided!"_ustr,

                                            static_cast< ::cppu::OWeakObject* >(this),

                                            2 );

    uno::Reference< uno::XInterface > xResult(

                static_cast< ::cppu::OWeakObject* > ( new OleEmbeddedObject( m_xContext, true ) ),

                uno::UNO_QUERY );

    uno::Reference< embed::XEmbedPersist > xPersist( xResult, uno::UNO_QUERY_THROW );

    xPersist->setPersistentEntry( xStorage,

                                    sEntName,

                                    embed::EntryInitModes::MEDIA_DESCRIPTOR_INIT,

                                    aMediaDescr,

                                    lObjArgs );

    return xResult;

}

uno::Reference< uno::XInterface > SAL_CALL OleEmbeddedObjectFactory::createInstanceUserInit(

            const uno::Sequence< sal_Int8 >& aClassID,

            const OUString& aClassName,

            const uno::Reference< embed::XStorage >& xStorage,

            const OUString& sEntName,

            sal_Int32 /*nEntryConnectionMode*/,

            const uno::Sequence< beans::PropertyValue >& /*lArguments*/,

            const uno::Sequence< beans::PropertyValue >& lObjArgs )

{

    if (officecfg::Office::Common::Security::Scripting::DisableActiveContent::get())

        throw lang::NoSupportException(u"Active OLE content is disabled!"_ustr);

    // the initialization is completely controlled by user

    if ( !xStorage.is() )

        throw lang::IllegalArgumentException( u"No parent storage is provided!"_ustr,

                                            static_cast< ::cppu::OWeakObject* >(this),

                                            1 );

    if ( sEntName.isEmpty() )

        throw lang::IllegalArgumentException( u"Empty element name is provided!"_ustr,

                                            static_cast< ::cppu::OWeakObject* >(this),

                                            2 );

    uno::Reference< uno::XInterface > xResult(

                static_cast< ::cppu::OWeakObject* > ( new OleEmbeddedObject( m_xContext, aClassID, aClassName ) ),

                uno::UNO_QUERY );

    uno::Reference< embed::XEmbedPersist > xPersist( xResult, uno::UNO_QUERY_THROW );

    xPersist->setPersistentEntry( xStorage,

                                  sEntName,

                                  embed::EntryInitModes::DEFAULT_INIT,

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

                                  lObjArgs );

    return xResult;

}

OUString SAL_CALL OleEmbeddedObjectFactory::getImplementationName()

{

    return u"com.sun.star.comp.embed.OLEEmbeddedObjectFactory"_ustr;

}

sal_Bool SAL_CALL OleEmbeddedObjectFactory::supportsService( const OUString& ServiceName )

{

    return cppu::supportsService(this, ServiceName);

}

uno::Sequence< OUString > SAL_CALL OleEmbeddedObjectFactory::getSupportedServiceNames()

{

    return { u"com.sun.star.embed.OLEEmbeddedObjectFactory"_ustr,

             u"com.sun.star.comp.embed.OLEEmbeddedObjectFactory"_ustr };

}

extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*

embeddedobj_OleEmbeddedObjectFactory_get_implementation(

    css::uno::XComponentContext* context, css::uno::Sequence<css::uno::Any> const&)

{

    return cppu::acquire(new OleEmbeddedObjectFactory(context));

}

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