/*

* Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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:  Forwards Dialog requests to the BrowserDialogsProvider

*

*/

#ifndef WIDGETUIDIALOGSPROVIDERPROXY_H

#define WIDGETUIDIALOGSPROVIDERPROXY_H

//  INCLUDES

// User includes

// System Includes

#include <brctldialogsprovider.h>

#include <browserdialogsprovider.h>

#include <e32std.h>

// CONSTANTS

// FORWARD DECLARATIONS

class CBrCtlDialogsProvider;

class CBrowserDialogsProviderBlocker;

class CWidgetUiWindow;

class MBrowserDialogsProviderObserver;

// CLASS DECLARATION

/**

*  Provide dialogs needed for browser operation

*

*  @since 3.0

*/

class CWidgetUiDialogsProviderProxy :    public  CBase,

                                        public  MBrCtlDialogsProvider

    {

    // Construction/Destruction

    public:

        // Two stage constructor

        static CWidgetUiDialogsProviderProxy* NewL( 

                        CBrowserDialogsProvider& aDialogsProvider,

                        MBrowserDialogsProviderObserver* aDialogsObserver,

                        CWidgetUiWindow& aWidgetWindow );

        // Destructor

        virtual ~CWidgetUiDialogsProviderProxy();

    protected:

        // 1st stage Constructor

        CWidgetUiDialogsProviderProxy( 

                        CBrowserDialogsProvider& aDialogsProvider,

                        MBrowserDialogsProviderObserver* aDialogsObserver,

                        CWidgetUiWindow& aWidgetWindow );

        // 2nd stage constructor

        void ConstructL();

    public: // From  MBrCtlDialogsProvider

        /**

        * Notify the user of an error

        * @since 3.0

        * @param aErrCode The error that occured

        * @return void

        */

        virtual void DialogNotifyErrorL( TInt aErrCode );

        /**

        * Notify the user of an http error

        * @since 3.0

        * @param aErrCode The error that occured

        * @param aUri The uri of the request that failed

        * @return void

        */

        virtual void DialogNotifyHttpErrorL( TInt aErrCode,

                                                        const TDesC& aUri );

        /**

        * File selection dialog

        * @since 3.0

        * @param aStartPath The initial displayed directory

        * @param aRootPath The top most directory that the user can go up to

        * @param aSelectedFileName The selected file name. 

        * Returned on cleanup stack. Browser control will free the buffer

        * @return EFalse if the user canceled, ETrue otherwise

        */

        virtual TBool DialogFileSelectLC( const TDesC& aStartPath,

                                            const TDesC& aRootPath,

                                            HBufC*& aSelectedFileName);

        /**

        * List selection dialog

        * @since 3.0

        * @param aTitle The title, could be empty

        * @param aBrowserSelectOptionType The type of the list box 

        * @param aOptions A list of options to display

        * @return EFalse if the user canceled, ETrue otherwise

        */

        virtual TBool DialogSelectOptionL(

                            const TDesC& aTitle, 

                            TBrCtlSelectOptionType aBrowserSelectOptionType, 

                            CArrayFix<TBrCtlSelectOptionData>& aOptions );

        /**

        * User Authentication dialog. 

        * User name and password are returned on cleanup stack

        * @since 3.0

        * @param aUrl The url requiring authentication

        * @param aRealm The realm requiring authentication

        * @param aDefaultUser/Name The user name that was used before for this

        * realm and path, if any

        * @param aReturnedUserName The user name entered by the user

        * @param aReturnedPasswd The password entered by the user

        * @param aBasicAuthentication A flag if basic authentication was used

        * @return EFalse if the user canceled, ETrue otherwise

        */

        virtual TBool DialogUserAuthenticationLC(

                                        const TDesC& aUrl, 

                                        const TDesC& aRealm, 

                                        const TDesC& aDefaultUserName, 

                                        HBufC*& aReturnedUserName, 

                                        HBufC*& aReturnedPasswd,

                                        TBool aBasicAuthentication = EFalse);

        /**

        * Display a note to the user. No softkeys

        * @since 3.0

        * @param aMessage The message to display

        * @return void

        */

        virtual void DialogNoteL( const TDesC& aMessage ); 

        /**

        * Display a note to the user with ok softkey only

        * @since 3.0

        * @param aTitle The title, could be empty

        * @param aMessage The message to display

        * @return void

        */

        virtual void DialogAlertL( const TDesC& aTitle,

                                    const TDesC& aMessage );

        /**

        * Display confirmation message to the user

        * @since 3.0

        * @param aTitle The title, could be empty

        * @param aMessage The message to display

        * @param aYesMessage The text to display on left softkey

        * @param aNoMessage The text to display on right softkey

        * @return EFalse if the user canceled, ETrue otherwise

        */

        virtual TBool DialogConfirmL(  const TDesC& aTitle,

                                        const TDesC& aMessage,

                                        const TDesC& aYesMessage,

                                        const TDesC& aNoMessage);

        /**

        * Display input dialog to the user

        * @since 3.0

        * @param aTitle The title, could be empty

        * @param aMessage The message to display

        * @param aDefaultInput The default input if available

        * @param aReturnedInput The input entered by the user

        * Returned on the cleanup stack, owned by the calling application

        * @return EFalse if the user canceled, ETrue otherwise

        */

        virtual TBool DialogPromptLC(const TDesC& aTitle,

                                     const TDesC& aMessage,

                                     const TDesC& aDefaultInput,

                                     HBufC*& aReturnedInput);

        /**

        * Display object info and ask confirmation before download

        * @since 3.0

        * @param aBrCtlObjectInfo The object info

        * @return EFalse if the user canceled, ETrue otherwise

        */

        virtual TBool DialogDownloadObjectL( 

                                        CBrCtlObjectInfo* aBrCtlObjectInfo );

        /**

        * DIsplay the images that appear in the current page

        * @since 3.0

        * @param aPageImages The images that appear in this page

        * @return vois

        */

        virtual void DialogDisplayPageImagesL( 

                            CArrayFixFlat<TBrCtlImageCarrier>& aPageImages);

        /**

        * Cancel any dialog that is being displayed due to 

        * e.g. Browser exit or page was destroyed

        * @since 3.0

        * @return void

        */

        virtual void CancelAll();

        /**

        * Display search on page dialog

        * @since 3.0

        * @return void

        */

        virtual void DialogFindL() { /* TODO: implement this body!!! */ } ;

        /**

        * Mime File selection dialog for specific mime type files

        * @since 3.2

        * @param aSelectedFileName The selected file name. 

        * @param aMimeType The accepted mime type

        * Returned on cleanup stack. Browser control will free the buffer

        * @return EFalse if the user canceled, ETrue otherwise

        */

        virtual TBool DialogMimeFileSelectLC( HBufC*& aSelectedFileName,

									  const TDesC& aMimeType );

    public:     // New functions

        /**

        * Display a tooltip (info popup note)

        * @since 3.0

        * @return void

        */                                   

        void ShowTooltipL( const TDesC& aText, TInt aDuration, TInt aDelay );

        /**

        * Display a dialog which tracks upload progress

        * @since 3.0    

        * @param aTotalSize     the total size of a file being uploaded

        * @param aChunkSize     the size of the current chunk being uploaded

        * @param aIsLastChunk   boolean value indicating whether the current 

        * @param aObserver      an observer for the upload progress dialog

        * chunk is the last one in the entire download

        * @return void

        */

        void UploadProgressNoteL( 

                            TInt32 aTotalSize, 

                            TInt32 aChunkSize,

                            TBool aIsLastChunk,

                            MBrowserDialogsProviderObserver* aObserver );

    protected:      // New functions

        /**

        * Handles dialog requests from Browser Control

        * @since 3.0

        */

        void HandleDialogRequestL();

    // DATA MEMBERS

    private:

        CBrowserDialogsProvider&            iDialogsProvider;

        MBrowserDialogsProviderObserver*    iDialogsObserver;

        CWidgetUiWindow&                    iWidgetWindow;

        TBool iCancelWaitingDialogs;    // ETrue means that waiting dialogs should not be displayed when flushed

    };

#endif      // WIDGETUIDIALOGSPROVIDERPROXY_H   

// End of File