/****************************************************************************

**

** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (developer.feedback@nokia.com)

**

** This file is part of the HbCore module of the UI Extensions for Mobile.

**

** GNU Lesser General Public License Usage

** This file may be used under the terms of the GNU Lesser General Public

** License version 2.1 as published by the Free Software Foundation and

** appearing in the file LICENSE.LGPL included in the packaging of this file.

** Please review the following information to ensure the GNU Lesser General

** Public License version 2.1 requirements will be met:

** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

**

** In addition, as a special exception, Nokia gives you certain additional

** rights.  These rights are described in the Nokia Qt LGPL Exception

** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

**

** If you have questions regarding the use of this file, please contact

** Nokia at developer.feedback@nokia.com.

**

****************************************************************************/

#ifndef HBWIDGETSTYLELOADER_P_H

#define HBWIDGETSTYLELOADER_P_H

#include <hbglobal.h>

#include <hblayeredstyleloader_p.h>

class HbWidget;

class HB_CORE_PRIVATE_EXPORT HbWidgetStyleLoader

{

public:

    static HbWidgetStyleLoader *instance();

	bool addFilePath(const QString &filePath,

        const HbLayeredStyleLoader::Concern concern,

        const HbLayeredStyleLoader::LayerPriority priority);

	bool removeFilePath(const QString &filePath,

        const HbLayeredStyleLoader::Concern concern,

        const HbLayeredStyleLoader::LayerPriority priority);

	void clearConcernFileList(const HbLayeredStyleLoader::Concern concern);

	void clearLayerFileList(

        const HbLayeredStyleLoader::Concern concern, 

		const HbLayeredStyleLoader::LayerPriority priority);

	void loadCss(const HbWidget *widget);

private:

    enum FileSetType {

        FileSetType_Unknown,

        FileSetType_Pattern,

        FileSetType_CSS,

        FileSetType_WidgetML

    };

    bool doAddFileSet(

        const QString &path,

        FileSetType type,

        const HbLayeredStyleLoader::Concern concern,

		const HbLayeredStyleLoader::LayerPriority priority);

	bool doRemoveFileSet(

        const QString &path,

        const HbLayeredStyleLoader::Concern *concern = 0,

		const HbLayeredStyleLoader::LayerPriority *priority = 0);

    struct FileSet {

		QString path;

        FileSetType type;

		HbLayeredStyleLoader::Concern concern;

		HbLayeredStyleLoader::LayerPriority priority;

		QHash<QString,int> loadedCss;

        QStringList missedCss;

        int referenceCount;

		FileSet(const QString &pat,

                FileSetType typ,

                const HbLayeredStyleLoader::Concern con,

				const HbLayeredStyleLoader::LayerPriority pri) {

			path = pat;

            type = typ;

			concern = con;

			priority = pri;

            referenceCount = 1;

		}

	};

	QList<FileSet> mFileSets;

    QVector<uint> mFullyLoadedWidgets;

};

#endif // HBWIDGETSTYLELOADER_P_H