/*

* 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:    Upload commmand handler

*

*/

#ifndef __GLXCOMMANDHANDLERUPLOAD_H__

#define __GLXCOMMANDHANDLERUPLOAD_H__

//  EXTERNAL INCLUDES

#include "AiwServiceHandler.h"                  // AIW service handler

#include <centralrepository.h>              // for checking the ShareOnline version

#include <thumbnailmanager.h>

#include <thumbnailmanagerobserver.h>

//  INTERNAL INCLUDES

#include "glxmedialistcommandhandler.h"         // for MediaListCommandHandler

#include <glxuiutility.h>                       // for UiUtility

//  FORWARD DECLARATIONS

class MGlxMediaListProvider;

class CGlxDefaultAttributeContext;

class CGlxUploadCenRepWatcher;

// For upload icon change notification

class MGlxUploadIconObserver

    {

public:

    /**

     * Handle upload icon changes

     */

    virtual void HandleUploadIconChangedL( ) = 0;

    };

/**

 * Command handler that launches Upload AIW ShareOnline

 * @class CGlxCommandHandlerUpload

 * @author Abhijit S 

 */

// CLASS DECLARATION

NONSHARABLE_CLASS (CGlxCommandHandlerUpload) : public CGlxMediaListCommandHandler,

public MGlxMediaListObserver, public MThumbnailManagerObserver, public MGlxUploadIconObserver

	{

public:  // Constructors and destructor

	/**

	* Two-phased constructor.

    * @param aMediaListProvider pointer to media list owner

    * @param aHasToolbarItem Whether Command Should be toolbar item (ETrue - if toolbar item)

    * @return pointer to CGlxCommandHandlerUpload object

    */

	IMPORT_C static CGlxCommandHandlerUpload* NewL(MGlxMediaListProvider* 

	                                                    aMediaListProvider, TBool aHasToolbarItem);

    /**

    * Destructor.

    */

    IMPORT_C ~CGlxCommandHandlerUpload();

    /**

     * To set the Help Text for Upload button on toolbar

     */

    void SetToolTipL();

public: // From MGlxMediaListObserver

    void HandleItemAddedL(TInt aStartIndex, TInt aEndIndex, 

                                            MGlxMediaList* aList);

    void HandleMediaL(TInt aListIndex, MGlxMediaList* aList);

    void HandleItemRemovedL(TInt aStartIndex, TInt aEndIndex, 

                                        MGlxMediaList* aList);

    void HandleItemModifiedL(const RArray<TInt>& aItemIndexes, 

                                        MGlxMediaList* aList);

    void HandleAttributesAvailableL(TInt aItemIndex,     

        const RArray<TMPXAttribute>& aAttributes, MGlxMediaList* aList);

    void HandleFocusChangedL(NGlxListDefs::TFocusChangeType aType, 

                        TInt aNewIndex, TInt aOldIndex, MGlxMediaList* aList);

    void HandleItemSelectedL(TInt aIndex, TBool aSelected, MGlxMediaList* aList);

    void HandleMessageL(const CMPXMessage& aMessage, MGlxMediaList* aList);

    void HandlePopulatedL(MGlxMediaList* aList);

public: // from MGlxUploadIconObserver

    /**

     * @ref MGlxUploadIconObserver::HandleUploadIconChangedL

     */

    void HandleUploadIconChangedL( );    

protected:

	//@ref From CGlxCommandHandler

	void PopulateToolbarL();

private:

	/**

    * Symbian 2nd phase constructor

	*/

    void ConstructL();

    /**

    * C++ default constructor.

    * @param aMediaListProvider pointer to media list owner

    * @param aHasToolbarItem Whether Command Should be toolbar item (ETrue - if toolbar item)

    * @ref CGlxMediaListCommandHandler

    */

    CGlxCommandHandlerUpload(MGlxMediaListProvider* aMediaListProvider, TBool aHasToolbarItem);

    /**

     * Gets the tooltip text or the Help Text from AIWServiceHandler

     */

    void GetToolTipL(HBufC*& aToolTipText);

private: // From CGlxMediaListCommandHandler

	/**

    * Execute the command, if applicable. 

	* @param aCommand The command to handle

	* @param aList List of media items

    * @return ETrue if command was handled, EFalse otherwise

    * @ref CGlxMediaListCommandHandler	

	*/

	TBool DoExecuteL (TInt aCommandId, MGlxMediaList& aList);	

	/**

	* Called when the owning view is activated

	* @param aViewId The ID of the view

    * @ref CGlxMediaListCommandHandler	

	*/

	void DoActivateL (TInt aViewId);

	/**

	* Called when the owning view is deactivated

	*/

	void Deactivate();	

private: // From MThumbnailManagerObserver

    void ThumbnailPreviewReady( MThumbnailData& aThumbnail,

        TThumbnailRequestId aId );

    void ThumbnailReady( TInt aError, MThumbnailData& aThumbnail,

        TThumbnailRequestId aId );	

private:

	/**

	* Retrieve the currently selected items file name and path

	* @return The currently selected items filename and path

	*/	

	void AppendSelectedFilesL(CAiwGenericParamList& aInputParams);

	/**

	 * To check whether OneClickUpload is supported by the Shareonline 

	 * application. 

	 * NOTE: OneClickUpload is a feature of ShareOnline 4.3 and above. Hence this function

	 * ensures that the upload command works only if this version of ShareOnline is 

	 * available in the build. Else, Upload will not work! 

	 */

	void CheckVersionL();

	/**

	 * To attach the aiw share interest resource to the servicehandler

	 */

	void InitializeOneClickUploadL();

	/**

	 * To check whether its is fullscreen view

	 */

	TBool IsFullScreenViewL();

	/**

	 * Disable/Enable the upload toolbar item

	 */	

	void DisableUploadToolbarItem(TBool aDimmed);

	/**

	 * Updates the selection count based on the mimetypes

	 */		

	void UpdateSelectionCount(TInt aIndex, TBool aSelected, MGlxMediaList* aList);

	/**

	 * Gets the Icon path and fileName from the cenrep

	 */	

	void GetIconNameL(TDes& aUplaodIconName);

	/**

	 * Decodes the Icon using the TNM Manager

	 */	

	void DecodeIconL(const TDes& aUplaodIconNmae);

	/**

	 * Updates the Toolbar upload icon based on the current selection

	 */	

	void UpdateFSUploadIconL();

	/**

     * Sets the decoded upload icon to the toolbar item

     */	

	void SetDecodedUploadIconL(MThumbnailData& aThumbnail);

private: // data

    //Cenrep watcher for monitoring the icon changes

    CGlxUploadCenRepWatcher* iUploadCenRepWatcher;

    // ID of owning view 

    TInt iViewId;

    // True if ShareOnline versioned 4.3 and above is present in the build

    TBool iUploadSupported;

    // Not owned - Provider of media list

    MGlxMediaListProvider* iMediaListProvider;

    // Not owned - UI utility 

    CGlxUiUtility* iUiUtility;

    // Owned - AIW Service Handler

    CAiwServiceHandler* iServiceHandler;

    CThumbnailManager* iTnEngine; // Own

    //Keep the count of no. of images/videos selected

    TInt iSelectedImageCount;

    TInt iSelectedVideoCount;

	//keep track of current icon used

    enum TCenRepMonitors

        {

            EMonitorNone,

            EImageMonitor,

            EVideoMonitor,

            EImageVideoMonitor

        };

    TCenRepMonitors iCurrentCenRepMonitor;

	//Toolbar instance of current view

    CAknToolbar* iToolbar;

    TThumbnailRequestId iTnmRequestID;

	};

#endif //__GLXCOMMANDHANDLERUPLOAD_H__