/* -*- 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 "unx/salinst.h"

#include <X11_clipboard.hxx>
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#include <com/sun/star/lang/XSingleServiceFactory.hpp>
#include <com/sun/star/registry/XRegistryKey.hpp>
#include <uno/dispatcher.h> // declaration of generic uno interface
#include <uno/mapping.hxx> // mapping stuff
#include <cppuhelper/factory.hxx>
#include <cppuhelper/compbase1.hxx>

using namespace cppu;
using namespace com::sun::star::lang;
using namespace com::sun::star::datatransfer::clipboard;
using namespace com::sun::star::awt;
using namespace x11;

using ::rtl::OUString;

Sequence< OUString > SAL_CALL x11::X11Clipboard_getSupportedServiceNames()
{
    Sequence< OUString > aRet(1);
    aRet[0] = OUString("com.sun.star.datatransfer.clipboard.SystemClipboard");
    return aRet;
}

Sequence< OUString > SAL_CALL x11::Xdnd_getSupportedServiceNames()
{
    Sequence< OUString > aRet(1);
    aRet[0] = OUString("com.sun.star.datatransfer.dnd.X11DragSource");
    return aRet;
}

Sequence< OUString > SAL_CALL x11::Xdnd_dropTarget_getSupportedServiceNames()
{
    Sequence< OUString > aRet(1);
    aRet[0] = OUString("com.sun.star.datatransfer.dnd.X11DropTarget");
    return aRet;
}

// ------------------------------------------------------------------------

css::uno::Reference< XInterface > X11SalInstance::CreateClipboard( const Sequence< Any >& arguments )
{
    OUString aDisplayName;
    Atom nSelection;

    // extract display name from connection argument. An exception is thrown
    // by SelectionManager.initialize() if no display connection is given.
    if( arguments.getLength() > 0 )
    {
        css::uno::Reference< XDisplayConnection > xConn;
        arguments.getConstArray()[0] >>= xConn;

        if( xConn.is() )
        {
            Any aIdentifier = xConn->getIdentifier();
            aIdentifier >>= aDisplayName;
        }
    }

    SelectionManager& rManager = SelectionManager::get( aDisplayName );
    rManager.initialize( arguments );

    // check if any other selection than clipboard selection is specified
    if( arguments.getLength() > 1 )
    {
        OUString aSelectionName;

        arguments.getConstArray()[1] >>= aSelectionName;
        nSelection = rManager.getAtom( aSelectionName );
    }
    else
    {
        // default atom is clipboard selection
        nSelection = rManager.getAtom( OUString("CLIPBOARD") );
    }

    ::boost::unordered_map< Atom, css::uno::Reference< XClipboard > >& rMap( m_aInstances[ aDisplayName ] );
    ::boost::unordered_map< Atom, css::uno::Reference< XClipboard > >::iterator it = rMap.find( nSelection );
    if( it != rMap.end() )
        return it->second;

    X11Clipboard* pClipboard = new X11Clipboard( rManager, nSelection );
    rMap[ nSelection ] = pClipboard;

    return static_cast<OWeakObject*>(pClipboard);
}

// ------------------------------------------------------------------------

css::uno::Reference< XInterface > X11SalInstance::CreateDragSource()
{
    return css::uno::Reference < XInterface >( ( OWeakObject * ) new SelectionManagerHolder() );
}

// ------------------------------------------------------------------------

css::uno::Reference< XInterface > X11SalInstance::CreateDropTarget()
{
    return css::uno::Reference < XInterface >( ( OWeakObject * ) new DropTarget() );
}


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