/* -*- 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 <string.h>

#include <com/sun/star/lang/IndexOutOfBoundsException.hpp>
#include <comphelper/servicehelper.hxx>
#include <comphelper/sequence.hxx>
#include <uielement/rootitemcontainer.hxx>
#include <uielement/itemcontainer.hxx>
#include <uielement/constitemcontainer.hxx>
#include <general.h>
#include <properties.h>

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

using namespace cppu;
using namespace com::sun::star::uno;
using namespace com::sun::star::lang;
using namespace com::sun::star::beans;
using namespace com::sun::star::container;

const char WRONG_TYPE_EXCEPTION[] = "Type must be css::uno::Sequence< css::beans::PropertyValue >";

const int PROPHANDLE_UINAME     = 1;
const int PROPCOUNT             = 1;
const char PROPNAME_UINAME[]    = "UIName";

namespace framework
{

RootItemContainer::RootItemContainer()
    :   ::cppu::OBroadcastHelperVar< ::cppu::OMultiTypeInterfaceContainerHelper, ::cppu::OMultiTypeInterfaceContainerHelper::keyType >( m_aMutex )
    ,   ::cppu::OPropertySetHelper  ( *static_cast< ::cppu::OBroadcastHelper* >(this) )
{
}

RootItemContainer::RootItemContainer( const Reference< XIndexAccess >& rSourceContainer )
    :   ::cppu::OBroadcastHelperVar< ::cppu::OMultiTypeInterfaceContainerHelper, ::cppu::OMultiTypeInterfaceContainerHelper::keyType >( m_aMutex )
    ,   ::cppu::OPropertySetHelper  ( *static_cast< ::cppu::OBroadcastHelper* >(this) )
{
    // We also have to copy the UIName property
    try
    {
        Reference< XPropertySet > xPropSet( rSourceContainer, UNO_QUERY );
        if ( xPropSet.is() )
        {
            xPropSet->getPropertyValue("UIName") >>= m_aUIName;
        }
    }
    catch ( const Exception& )
    {
    }

    if ( rSourceContainer.is() )
    {
        sal_Int32 nCount = rSourceContainer->getCount();
        try
        {
            for ( sal_Int32 i = 0; i < nCount; i++ )
            {
                Sequence< PropertyValue > aPropSeq;
                if ( rSourceContainer->getByIndex( i ) >>= aPropSeq )
                {
                    sal_Int32 nContainerIndex = -1;
                    Reference< XIndexAccess > xIndexAccess;
                    for ( sal_Int32 j = 0; j < aPropSeq.getLength(); j++ )
                    {
                        if ( aPropSeq[j].Name == "ItemDescriptorContainer" )
                        {
                            aPropSeq[j].Value >>= xIndexAccess;
                            nContainerIndex = j;
                            break;
                        }
                    }

                    if ( xIndexAccess.is() && nContainerIndex >= 0 )
                        aPropSeq[nContainerIndex].Value <<= deepCopyContainer( xIndexAccess );

                    m_aItemVector.push_back( aPropSeq );
                }
            }
        }
        catch ( const IndexOutOfBoundsException& )
        {
        }
    }
}

RootItemContainer::~RootItemContainer()
{
}

Any SAL_CALL RootItemContainer::queryInterface( const Type& _rType )
{
    Any aRet = RootItemContainer_BASE::queryInterface( _rType );
    if ( !aRet.hasValue() )
        aRet = OPropertySetHelper::queryInterface( _rType );
    return aRet;
}

Sequence< Type > SAL_CALL RootItemContainer::getTypes(  )
{
    return comphelper::concatSequences(
        RootItemContainer_BASE::getTypes(),
        ::cppu::OPropertySetHelper::getTypes()
    );
}

Reference< XIndexAccess > RootItemContainer::deepCopyContainer( const Reference< XIndexAccess >& rSubContainer )
{
    Reference< XIndexAccess > xReturn;
    if ( rSubContainer.is() )
    {
        ConstItemContainer* pSource = ConstItemContainer::GetImplementation( rSubContainer );
        ItemContainer* pSubContainer( nullptr );
        if ( pSource )
            pSubContainer = new ItemContainer( *pSource, m_aShareMutex );
        else
            pSubContainer = new ItemContainer( rSubContainer, m_aShareMutex );
        xReturn.set( static_cast< OWeakObject* >( pSubContainer ), UNO_QUERY );
    }

    return xReturn;
}

// XUnoTunnel
sal_Int64 RootItemContainer::getSomething( const css::uno::Sequence< sal_Int8 >& rIdentifier )
{
    if( ( rIdentifier.getLength() == 16 ) && ( 0 == memcmp( RootItemContainer::GetUnoTunnelId().getConstArray(), rIdentifier.getConstArray(), 16 ) ) )
        return sal::static_int_cast< sal_Int64 >( reinterpret_cast< sal_IntPtr >( this ));
    return 0;
}

namespace
{
    class theRootItemContainerUnoTunnelId : public rtl::Static< UnoTunnelIdInit, theRootItemContainerUnoTunnelId > {};
}

const Sequence< sal_Int8 >& RootItemContainer::GetUnoTunnelId() throw()
{
    return theRootItemContainerUnoTunnelId::get().getSeq();
}

RootItemContainer* RootItemContainer::GetImplementation( const css::uno::Reference< css::uno::XInterface >& rxIFace ) throw()
{
    css::uno::Reference< css::lang::XUnoTunnel > xUT( rxIFace, css::uno::UNO_QUERY );
    return xUT.is() ? reinterpret_cast< RootItemContainer* >(sal::static_int_cast< sal_IntPtr >(
                          xUT->getSomething( RootItemContainer::GetUnoTunnelId() ))) : nullptr;
}

// XElementAccess
sal_Bool SAL_CALL RootItemContainer::hasElements()
{
    ShareGuard aLock( m_aShareMutex );
    return ( !m_aItemVector.empty() );
}

// XIndexAccess
sal_Int32 SAL_CALL RootItemContainer::getCount()
{
    ShareGuard aLock( m_aShareMutex );
    return m_aItemVector.size();
}

Any SAL_CALL RootItemContainer::getByIndex( sal_Int32 Index )
{
    ShareGuard aLock( m_aShareMutex );
    if ( sal_Int32( m_aItemVector.size()) <= Index )
        throw IndexOutOfBoundsException( OUString(), static_cast<OWeakObject *>(this) );

    return makeAny( m_aItemVector[Index] );
}

// XIndexContainer
void SAL_CALL RootItemContainer::insertByIndex( sal_Int32 Index, const Any& aItem )
{
    Sequence< PropertyValue > aSeq;
    if ( !(aItem >>= aSeq) )
        throw IllegalArgumentException( WRONG_TYPE_EXCEPTION, static_cast<OWeakObject *>(this), 2 );

    ShareGuard aLock( m_aShareMutex );
    if ( sal_Int32( m_aItemVector.size()) == Index )
        m_aItemVector.push_back( aSeq );
    else if ( sal_Int32( m_aItemVector.size()) >Index )
    {
        std::vector< Sequence< PropertyValue > >::iterator aIter = m_aItemVector.begin();
        aIter += Index;
        m_aItemVector.insert( aIter, aSeq );
    }
    else
        throw IndexOutOfBoundsException( OUString(), static_cast<OWeakObject *>(this) );
}

void SAL_CALL RootItemContainer::removeByIndex( sal_Int32 nIndex )
{
    ShareGuard aLock( m_aShareMutex );
    if ( static_cast<sal_Int32>(m_aItemVector.size()) <= nIndex )
        throw IndexOutOfBoundsException( OUString(), static_cast<OWeakObject *>(this) );

    m_aItemVector.erase(m_aItemVector.begin() + nIndex);
}

void SAL_CALL RootItemContainer::replaceByIndex( sal_Int32 Index, const Any& aItem )
{
    Sequence< PropertyValue > aSeq;
    if ( !(aItem >>= aSeq) )
        throw IllegalArgumentException( WRONG_TYPE_EXCEPTION, static_cast<OWeakObject *>(this), 2 );

    ShareGuard aLock( m_aShareMutex );
    if ( sal_Int32( m_aItemVector.size()) <= Index )
        throw IndexOutOfBoundsException( OUString(), static_cast<OWeakObject *>(this) );

    m_aItemVector[Index] = aSeq;
}

Reference< XInterface > SAL_CALL RootItemContainer::createInstanceWithContext( const Reference< XComponentContext >& )
{
    return static_cast<OWeakObject *>(new ItemContainer( m_aShareMutex ));
}

Reference< XInterface > SAL_CALL RootItemContainer::createInstanceWithArgumentsAndContext( const Sequence< Any >&, const Reference< XComponentContext >& )
{
    return static_cast<OWeakObject *>(new ItemContainer( m_aShareMutex ));
}

// XPropertySet helper
sal_Bool SAL_CALL RootItemContainer::convertFastPropertyValue( Any&       aConvertedValue ,
                                                               Any&       aOldValue       ,
                                                               sal_Int32  nHandle         ,
                                                               const Any& aValue             )
{
    //  Initialize state with sal_False !!!
    //  (Handle can be invalid)
    bool bReturn = false;

    switch( nHandle )
    {
        case PROPHANDLE_UINAME:
            bReturn = PropHelper::willPropertyBeChanged(
                        css::uno::makeAny(m_aUIName),
                        aValue,
                        aOldValue,
                        aConvertedValue);
            break;
    }

    // Return state of operation.
    return bReturn;
}

void SAL_CALL RootItemContainer::setFastPropertyValue_NoBroadcast( sal_Int32               nHandle ,
                                                                   const css::uno::Any&    aValue  )
{
    switch( nHandle )
    {
        case PROPHANDLE_UINAME:
            aValue >>= m_aUIName;
            break;
    }
}

void SAL_CALL RootItemContainer::getFastPropertyValue( css::uno::Any& aValue  ,
                                                       sal_Int32                 nHandle                ) const
{
    switch( nHandle )
    {
        case PROPHANDLE_UINAME:
            aValue <<= m_aUIName;
            break;
    }
}

::cppu::IPropertyArrayHelper& SAL_CALL RootItemContainer::getInfoHelper()
{
    // Define static member to give structure of properties to baseclass "OPropertySetHelper".
    // "impl_getStaticPropertyDescriptor" is a non exported and static function, who will define a static propertytable.
    // "true" say: Table is sorted by name.
    static ::cppu::OPropertyArrayHelper ourInfoHelper( impl_getStaticPropertyDescriptor(), true );

    return ourInfoHelper;
}

css::uno::Reference< css::beans::XPropertySetInfo > SAL_CALL RootItemContainer::getPropertySetInfo()
{
    // Create structure of propertysetinfo for baseclass "OPropertySetHelper".
    // (Use method "getInfoHelper()".)
    static css::uno::Reference< css::beans::XPropertySetInfo > xInfo( createPropertySetInfo( getInfoHelper() ) );

    return xInfo;
}

const css::uno::Sequence< css::beans::Property > RootItemContainer::impl_getStaticPropertyDescriptor()
{
    // Create a property array to initialize sequence!
    // Table of all predefined properties of this class. Its used from OPropertySetHelper-class!
    // Don't forget to change the defines (see begin of this file), if you add, change or delete a property in this list!!!
    // It's necessary for methods of OPropertySetHelper.
    // ATTENTION:
    //      YOU MUST SORT FOLLOW TABLE BY NAME ALPHABETICAL !!!

    const css::beans::Property pProperties[] =
    {
        css::beans::Property( PROPNAME_UINAME, PROPHANDLE_UINAME ,
                              cppu::UnoType<OUString>::get(),
                              css::beans::PropertyAttribute::TRANSIENT )
    };
    // Use it to initialize sequence!
    const css::uno::Sequence< css::beans::Property > lPropertyDescriptor( pProperties, PROPCOUNT );
    // Return "PropertyDescriptor"
    return lPropertyDescriptor;
}

} // namespace framework

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