gio_datasupplier.hxx

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/* -*- 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 .
 */
 
#pragma once
 
#include <ucbhelper/resultset.hxx>
#include "gio_content.hxx"
#include <memory>
#include <vector>
 
namespace gio
{
 
class Content;
 
struct ResultListEntry
{
    OUString aId;
    css::uno::Reference< css::ucb::XContentIdentifier > xId;
    css::uno::Reference< css::ucb::XContent > xContent;
    css::uno::Reference< css::sdbc::XRow > xRow;
    GFileInfo *pInfo;
 
    explicit ResultListEntry( GFileInfo *pInInfo ) : pInfo(pInInfo)
    {
        g_object_ref( pInfo );
    }
 
    ~ResultListEntry()
    {
        g_object_unref( pInfo );
    }
};
 
typedef std::vector< std::unique_ptr<ResultListEntry> > ResultList;
 
class DataSupplier : public ucbhelper::ResultSetDataSupplier
{
private:
    rtl::Reference< ::gio::Content > mxContent;
    sal_Int32 mnOpenMode;
    bool mbCountFinal;
    bool getData();
    ResultList maResults;
public:
    DataSupplier( rtl::Reference< Content > xContent, sal_Int32 nOpenMode );
    virtual ~DataSupplier() override;
 
    virtual OUString queryContentIdentifierString( sal_uInt32 nIndex ) override;
    virtual css::uno::Reference< css::ucb::XContentIdentifier >
        queryContentIdentifier( sal_uInt32 nIndex ) override;
    virtual css::uno::Reference< css::ucb::XContent >
        queryContent( sal_uInt32 nIndex ) override;
 
    virtual bool getResult( sal_uInt32 nIndex ) override;
 
    virtual sal_uInt32 totalCount() override;
    virtual sal_uInt32 currentCount() override;
    virtual bool isCountFinal() override;
 
    virtual css::uno::Reference< css::sdbc::XRow >
        queryPropertyValues( sal_uInt32 nIndex  ) override;
    virtual void releasePropertyValues( sal_uInt32 nIndex ) override;
 
    virtual void close() override;
 
    virtual void validate() override;
};
 
}
 
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