/*  This file is part of KDevelop
    Copyright 2009 Aleix Pol <aleixpol@kde.org>

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
*/

#ifndef IDOCUMENTATIONPROVIDER_H
#define IDOCUMENTATIONPROVIDER_H

#include <KDE/KSharedPtr>

#include "iextension.h"
#include "interfacesexport.h"

class QIcon;
class QModelIndex;
class QAbstractListModel;
namespace KDevelop
{
class Declaration;
class IDocumentation;

class KDEVPLATFORMINTERFACES_EXPORT IDocumentationProvider
{
    public:
        virtual ~IDocumentationProvider();
        
        /** @returns an IDocument instance for the specified declaration or a null pointer if none could be found.*/
        virtual KSharedPtr<IDocumentation> documentationForDeclaration(KDevelop::Declaration* declaration) const=0;
        
        /** @returns an instance of an interface to create an index for all the items provided by this class. */
        virtual QAbstractListModel* indexModel() const=0;
        
        /** @returns the documentation information related to the index in the model. */
        virtual KSharedPtr<IDocumentation> documentationForIndex(const QModelIndex& idx) const=0;
    
        /** @returns some icon associated to the provider. */
        virtual QIcon icon() const=0;
        
        /** @returns a name to identify the provider to the user. */
        virtual QString name() const=0;
        
        /** @returns a documentation item where we can show some home page information such a context index. */
        virtual KSharedPtr<IDocumentation> homePage() const=0;
        
    Q_SIGNALS:
        virtual void addHistory(const KSharedPtr<IDocumentation>& doc) const=0;
};

}

KDEV_DECLARE_EXTENSION_INTERFACE_NS( KDevelop, IDocumentationProvider, "org.kdevelop.IDocumentationProvider")
Q_DECLARE_INTERFACE( KDevelop::IDocumentationProvider, "org.kdevelop.IDocumentationProvider")

#endif

