/*

* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

* 

* Description:

*     The header file of filemanager view manager

*

*/

#ifndef FMVIEWMANAGER_H

#define FMVIEWMANAGER_H

#include <QObject>

#include <QList>

#include "fmcommon.h"

class FmMainWindow;

class HbView;

class FmViewManager;

class FmOperationService;

class FmOperationBase;

class QFileSystemWatcher;

class FmDriveWatcher;

class FmDialog;

class FmDlgCloseUnit

{

public:

	FmDlgCloseUnit( FmDialog *dialog );

	~FmDlgCloseUnit();

	void addAssociatedDrives( QString drives );

	void removeAssociatedDrives( QString drives );

	QString associatedDrives();

	FmDialog *dialog();

private:

	FmDialog *mDialog;

	QString mAssociatedDrives;

};

class FmViewManager : public QObject

{

    Q_OBJECT

public:

    int viewCount();

    static FmViewManager *CreateViewManager( FmMainWindow* mainWindow );

    static void RemoveViewManager();

    static FmViewManager *viewManager();

    FmOperationService *operationService();

    Qt::Orientation orientation(); 

    void createFileView( const QString &path,

        bool enableBackPathCheck = true, bool disableFind = false );

    void createFindView( const QString &keyword, const QString &path );

    void createDriverView();

    void createSplitView();

	void createBackupView();

	void createRestoreView();

    void createDeleteBackupView();

    void addWatchPath( const QString &path );

    void removeWatchPath( const QString &path );

	// dialog close utils:

	void addDlgCloseUnit( FmDlgCloseUnit* unit )

	{

		FmLogger::log( "FmViewManager::addDlgCloseUnit_" + unit->associatedDrives() );

		mDlgCloseUnitList.append( unit );

	}

	void removeDlgCloseUnit( FmDlgCloseUnit* unit )

	{

		FmLogger::log( "FmViewManager::removeDlgCloseUnit_" + unit->associatedDrives() );

		mDlgCloseUnitList.removeOne( unit );

	}

protected:

    explicit FmViewManager( FmMainWindow* mainWindow );

    ~FmViewManager();

public slots:

   /// popViewAndShow will delete current view and pop view from stack, then show it.

    void popViewAndShow();

    void on_operationService_refreshModel( FmOperationBase* operationBase, const QString &path );

    void on_fsWatcher_fileChanged(const QString &path);

    void on_fsWatcher_directoryChanged(const QString &path);

    void on_driveWatcher_driveAddedOrChanged();

    void on_operationService_notifyFinish( FmOperationBase *operationBase );

signals:

    void refreshModel( const QString &path  );

    void refreshBackupView();

private:

       /// create view will push current view to stack

  //  HbView *createView( FmViewType viewType );

  //  void adjustSecondarySoftKey();

	void checkDlgCloseUnit();

private:

     static FmViewManager *mViewManager;

private:

    FmMainWindow *mMainWindow;

    FmOperationService  *mOperationService;

    QFileSystemWatcher  *mFsWatcher;

    FmDriveWatcher  *mDriveWatcher;

	QList<FmDlgCloseUnit*> mDlgCloseUnitList;

};

#endif