/*

* Copyright (c) 2006 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:  Handle scrollbar and tab events

*

*/

#ifndef BRCTLBCTESTOBSERVER_H

#define BRCTLBCTESTOBSERVER_H

//  INCLUDES

#include <DocumentHandler.h>    

#include <flogger.h>

class CWebViewApiTestObserver : 

    public CBase, 

    public MBrCtlLayoutObserver,

    public MBrCtlSoftkeysObserver, 

    public MBrCtlSpecialLoadObserver,

    public MBrCtlLoadEventObserver, 

    public MBrCtlLinkResolver,

    public MBrCtlDownloadObserver

    {

    public:  // Constructors and destructor

        /**

        * Two-phased constructor.

        */

        static CWebViewApiTestObserver* NewL();

        /**

        * Destructor.

        */

        ~CWebViewApiTestObserver();

        /**

        * Update the position of vertical scrollbar.

        * @since 2.8

        * @param aDocumentHeight The total height of the markup page

        * @param aDisplayHeight The height of the display

        * @param aDisplayPosY The current Y position

        * @return void

        */

        void UpdateBrowserVScrollBarL(TInt /*aDocumentHeight*/, 

                                              TInt /*aDisplayHeight*/,

                                              TInt /*aDisplayPosY*/ ) ;

        /**

        * Update the position of horizontal scrollbar.

        * @since 2.8

        * @param aDocumentWidth The total width of the markup page

        * @param aDisplayWidth The width of the display

        * @param aDisplayPosX The current X position

        * @return void

        */

        void UpdateBrowserHScrollBarL(TInt /*aDocumentWidth*/, 

                                              TInt /*aDisplayWidth*/,

                                              TInt /*aDisplayPosX*/ ) ;

        /**

        * Inform the layout of the page: right to left or left to right. Useful when the application draws the scrollbar itself.

        * @since 2.8

        * @param aNewLayout RTL or LTR

        * @return void

        */

        void NotifyLayoutChange( TBrCtlLayout /*aNewLayout*/ ) ;

        /**

        * Update the title of the page in history view

        * @since 3.0

        * @param aTitle Title of the page

        * @return void

        */

        void UpdateTitleL( const TDesC& aTitle );

        /**

        * Browser Control requests to update a softkey

        * @since 2.8

        * @param aKeySoftkey Update the left softkey or the right softkey

        * @param aLabel The label associated with the softkey update

        * @param aCommandId The command to use if the softkey is selected by the user

        * @param aBrCtlSoftkeyChangeReason The reason for the softkey change

        * @return void

        */

        void UpdateSoftkeyL(TBrCtlKeySoftkey /*aKeySoftkey*/,

                                    const TDesC& /*aLabel*/,

                                    TUint32 /*aCommandId*/,

                                    TBrCtlSoftkeyChangeReason /*aBrCtlSoftkeyChangeReason*/) ;

        /**

        * Request to create a network connection.

        * @since 2.8

        * @param aConnectionPtr A pointer to the new connection. If NULL, the proxy filter will automatically create a network connection

        * @param aSockSvrHandle A handle to the socket server.

        * @param aNewConn A flag if a new connection was created. If the connection is not new, proxy filter optimization will not read the proxy again from CommsBd

        * @param aBearerType The bearer type of the new connection

        * @return void

        */

        void NetworkConnectionNeededL(TInt* /*aConnectionPtr*/,

                                              TInt* /*aSockSvrHandle*/,

                                              TBool* /*aNewConn*/,

                                              TApBearerType* /*aBearerType*/) ;

        /**

        * Request the host applicaion to handle non-http request.

        * @since 2.8

        * @param aUrl The non-http(s) or file URL

        * @param aParamList Parameters to pass to the host application. Contain referer header. It could be NULL

        * @return ETrue is handled by the host application. EFlase if not

        */

        TBool HandleRequestL(RArray<TUint>* aTypeArray, CDesCArrayFlat* aDesArray);

        /**

        * Request the host applicaion to handle downloads

        * @since 2.8

        * @param aTypeArray array of download parameter types

        * @param aDesArray array of values associated with the types in the type array

        * @return ETrue is handled by the host application. EFlase if not

        */

        TBool HandleDownloadL(RArray<TUint>* aTypeArray, CDesCArrayFlat* aDesArray);

        /**

        * A load events notification

        * @since 2.8

        * @param aLoadEvent The load event   

        * @param aSize Size depends on the event

        * @param aTransactionId The transaction id of the transaction that had this event

        * @return void

        */

        void HandleBrowserLoadEventL(TBrCtlDefs::TBrCtlLoadEvent aLoadEvent, TUint aSize, TUint16 aTransactionId) ;

    	/**

    	* Browser plug-in calls this method when embedded link is found. Used with ECapabilityClientResolveEmbeddedURL

        * @since 2.8

    	* @param aEmbeddedUrl The url of the embedded content

    	* @param aCurrentUrl The url of the current page

    	* @param aLoadContentType The expected type of the embedded content

    	* @param aEmbeddedLinkContent a callback interface to return the embedded content

    	* @return EFalse, browser will resolve the link

    	*/

        TBool ResolveEmbeddedLinkL(const TDesC& aEmbeddedUrl,

    		                               const TDesC& aCurrentUrl,

        	                               TBrCtlLoadContentType aLoadContentType, 

        	                               MBrCtlLinkContent& aEmbeddedLinkContent) ; 

    	/**

    	* Browser plug-in calls this method when the user requests to load content via selecting a link, or any other way. Used with ECapabilityClientNotifyURL 

        * @since 2.8

    	* @param aUrl The requested url

    	* @param aCurrentUrl The url of the current page

    	* @param aBrCtlLinkContent a callback interface to return the embedded content

    	* @return EFalse, browser will resolve the link

    	*/

        TBool ResolveLinkL(const TDesC& aUrl, const TDesC& aCurrentUrl,

                                   MBrCtlLinkContent& aBrCtlLinkContent) ;

		/**

		* Cancel all outstanding resolving operations

        * @since 2.8

    	* @return void

    	*/

        void CancelAll() ;

        /**

        * Inform the host application that a new download has started using the Download Manager

        * @since 3.0

        * @param aTransactionID The ID of the transaction, it is unique as long as the transaction is on-going

        * @param aFileName The name of file in which the content is stored/

        * @param aContentType The content type of the downloaded content

        * @param aUrl The Url of the request to be done in the new window

        * @return Return ETrue if the file is handled progressively, EFalse otherwise

        */

        TBool NewDownloadL(TUint aTransactionID,

                           const TDesC& aFileName,

                           const TDesC& aContentType,

                           const TDesC& aUrl);

        /**

        * Inform the host application that a new download has started using the Download Manager

        * @since 3.0

        * @param aTransactionID The ID of the transaction, it is unique as long as the transaction is on-going

        * @param aFileName The name of file in which the content is stored/

        * @param aContentType The content type of the downloaded content

        * @param aUrl The Url of the request to be done in the new window

        * @return Return ETrue if the file is handled progressively, EFalse otherwise

        */

        void ResumeDownloadL(TUint aTransactionID,

                                   TUint aLength,

                                   const TDesC& aFileName,

                                   const TDesC& aContentType,

                                   const TDesC& aUrl);

        /**

        * Inform the host application of a progress event related to a download

        * @since 3.0

        * @param aTransactionID The ID of the transaction, it is unique as long as the transaction is on-going

        * @param aDownloadEvent The event to be reported

        * @param aValue The value depends on the event

        * @return void

        */

        void HandleDownloadEventL(TUint aTransactionID, 

                                  TBrCtlDownloadEvent aDownloadEvent,

                                  TUint aValue);             

    private:

	    /**

        * By default Symbian 2nd phase constructor is private.

        */

        void ConstructL();

	    /**

        * Find if the scheme if file://

        */

        TBool IsFileScheme(const TDesC& aFileName);

	    /**

        * Read the file.

        */

        HBufC8* ReadFileLC(const TDesC& aFileName);

	    /**

        * Rcognize the mime type.

        */

        HBufC* RecognizeLC(const TDesC& aFileName, const TDesC8& aData);

	    /**

        * Translate the file name from a URL to a valid file name in the system..

        */

        TBool GetFileNameL(const TDesC& aFileName);

    private:   // data

        // The loaded file's name. This is different from the URL. It does not contain the scheme.

        HBufC* iFileName;

        CDocumentHandler* iHandler;

    };

#endif      // BRCTLBCTESTOBSERVER_H

// End of File