/*

* Copyright (c) 2008-2009 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:  glximgvwrmetadatadialog.h

*

*/

#ifndef GLXIMGVWRMETADATADIALOG_H_

#define GLXIMGVWRMETADATADIALOG_H_

// SYSTEM INCLUDES

#include <AknDialog.h>

#include <alf/alfscreenbuffer.h>

#include <glximgvwrmetadatacontainer.h>

// FORWARD DECLARATIONS

class CGlxMetadataCommandHandler;

class CGlxCommandHandlerAddToContainer;

class CGlxUiUtility;

// CLASS DECLARATION

/**

 *  CGlxImgVwrMetadataDialog

 * 

 *  Metadata dialog implementation

 */

class CGlxImgVwrMetadataDialog : public CAknDialog

    {

public: // Constructors and destructor

    /**

     * Two-phased constructor.

     *

     * @param aURI uri or file name of item

     */

    IMPORT_C static CGlxImgVwrMetadataDialog* NewL( const TDesC& aUri );

    /**

     * Destructor.

     */

    virtual ~CGlxImgVwrMetadataDialog();

private :

    CGlxImgVwrMetadataDialog(const TDesC& aUri);

public: // Functions from base classes

    /**

     * Initializes the dialog and calls CAknDialog's 

     *   ExecuteLD()

     * This method need to be called to execute the dialog.

     * After exiting the dialog gets automatically destroyed

     *

     * @return TInt  ID value of the button that closed the dialog.

     */

    IMPORT_C TInt ExecuteLD();

protected:  // Functions from base classes

    /**

     * From MEikCommandObserver Prosesses menucommands

     *

     * @param aCommandId     Commant value defined in resources.

     */

    void ProcessCommandL( TInt aCommandId );

    /**

     * From MEikMenuObserver Initializes items on the menu

     *

     * @param aMenuId    Current menu's resource Id

     * @param aMenuPane  Pointer to menupane

     */

    void DynInitMenuPaneL(TInt aMenuId, CEikMenuPane* aMenuPane);

    //hanldes orientation changes.

    void HandleResourceChange( TInt aType );

    void SizeChanged();

private:        

    /**

     * Initializes the dialog's controls before the dialog is sized and 

     * layed out. Empty by default.

     */

    void PreLayoutDynInitL();

    /**

     * Initializes the dialog's controls after the dialog has been sized 

     * but before it has been activated.

     */

    void PostLayoutDynInitL();

    /**

     * Symbian 2nd phase constructor.

     * 

     * @param aURI

     */

    void ConstructL();

    /**

     * Constructs the Alf Environment and display

     */

    void ConstructAlfEnvL();

    /**

     * Initalise the resource

     *

     */

    void InitResourceL();   

    /** 

     * To deal with any specific commands

     *

     * @param aCommand The command to respond to

     * @return ETrue if the command has been handled.

     *

     */

    TBool HandleViewCommandL(TInt aCommand);

private:

    void Draw( const TRect& /*aRect*/ ) const;    

    void HandlePointerEventL(const TPointerEvent& aPointerEvent);       

    /**

     * SetTitleL

     * Sets title for view

     * @param aTitleText title of view to be set

     */

    void SetTitleL(const TDesC& aTitleText);    

    /**

     * SetPreviousTitleL

     * Sets title of previous view

     */

    void SetPreviousTitleL();

    void SetDetailsDlgToolbarVisibility(TBool aVisible);

public: // from MEikDialogPageObserver

    /**

     * @ref MEikDialogPageObserver::CreateCustomControlL

     */

    SEikControlInfo CreateCustomControlL(TInt aControlType);

public:

    /*

     *  

     */

    void HandleToolbarResetting(TBool aVisible);

private: //data

    TInt iResourceOffset;

    TBool iStatusPaneAvailable;

    CGlxUiUtility* iUiUtility;      

    HBufC* iPreviousTitle;    

    const TDesC& iUri; 

    CGlxImgVwrMetadataContainer* iContainer;

    };

#endif /* GLXIMGVWRMETADATADIALOG_H_ */