/*

* 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 "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:  SVGScreenSaver provides an implementation of ScreenSaverPlugin

*                for Svg files.

*

*/

#ifndef SVGSCREENSAVER_H

#define SVGSCREENSAVER_H

#include <coecntrl.h>

#include <pluginadapterinterface.h>

#include <SVGTAppObserver.h>

#include <NPNExtensions.h>

const TInt KMaxFileSize=10000;  

class CSVGTCustControl;

class CEikonEnv;

/**

*  CSvgScreenSaver provides an implementation of MSvgtAppObserver

*  It makes use of RenderFrames Control or SVGTCustControl to render

*  the SVGT content.

*  @lib SVGTScreenSaverPlugin.lib

*  @since 3.1

*/

class CSvgScreenSaver: public CBase,

                       public MSvgtAppObserver,

                       public MPluginNotifier                 

    {    

    public:             

        /**

        * Default Constructor

        * @since 3.1

        */  

        CSvgScreenSaver();

        /**

        * Destructor.

        */

        virtual ~CSvgScreenSaver(); 

        /**

        * 2nd phase constructor

        * @since 3.1

        */

        void ConstructL( const CCoeControl* aParent );

        /**

        * Creates an SVG Custom Control or RenderFrames Control 

        * for the file

        * @param aFileName 

        * @since 3.1

        */        

        TInt AsFile(const TDesC& aFileName);    

        /**

        * Sets the rect for SVG Custom Control or RenderFrames Control         

        * for the file

        * @param aRect

        * @since 3.1

        */  

        void SetRect(const TRect& aRect);   

        /**

        * Sends the command to SVG Custom Control or RenderFrames Control         

        * @param aCommand command to be sent to the control

        * @since 3.1

        */  

        void SendCommandL( TInt aCommand );

        /**

        * makes the control to be (in)visible        

        * @param aVisible ETrue makes the control visible

        *                 EFalse makes the control invisible

        * @since 3.1

        */

        void MakeVisible( TBool aVisible );

        /**

        * gets the last error encountered by the Control        

        * @since 3.1

        */

        TInt GetLastError() const;

    public: // Functions From MSvgtAppObserver

        /**

        * From MSvgtAppObserver 

        * @see MSvgtAppObserver::FetchImage

        */

        virtual TInt FetchImage( const TDesC& aUri, RFs& aSession, 

                                 RFile& aFileHandle );

        /**

        * From MSvgtAppObserver 

        * @see MSvgtAppObserver::GetSmilFitValue

        */

        virtual  void GetSmilFitValue(TDes& aSmilValue);

        /**

        * From MSvgtAppObserver

        * @see MSvgtAppObserver::LinkActivated

        */

        virtual TBool LinkActivated( const TDesC& aUri );

        /**

        * From MSvgtAppObserver

        * @see MSvgtAppObserver::LinkActivatedWithShow

        */

        virtual TBool LinkActivatedWithShow( const TDesC& aUri, 

                                             const TDesC& aShow );

        /**

        * This function is called by the application to enable/disable the

        * downloads menu in the options menu

        * @since 3.0

        * @param aAddDownloadMenu enable/disable the downloads menu  

        */   

        void SetDownloadMenu( TBool aAddDownloadMenu );

        /**

        * This function is called by the Ui Dialog to enable/disable the

        * downloads menu in the options menu

        * @since 3.0

        * @return iDownloadMenuEnabled enable/disable the downloads menu  

        */   

        virtual TBool CanShowDownload() const;

        /**

        * From MSvgtAppObserver

        * @see MSvgtAppObserver::DisplayDownloadMenuL

        */ 

        virtual void DisplayDownloadMenuL();   

        /**

        * From MSvgtAppObserver

        * @see MSvgtAppObserver::CanShowSave

        */

        virtual TBool CanShowSave();

        /**

        * From MSvgtAppObserver

        * @see MSvgtAppObserver::IsSavingDone

        */

        virtual TBool IsSavingDone();

        /**

        * From MSvgtAppObserver

        * @see MSvgtAppObserver::DoSaveL

        */ 

        virtual void DoSaveL( TInt aCommandId );         

        /**

        * From MSvgtAppObserver

        * @see MSvgtAppObserver::NewFetchImageData

        */ 

        virtual TInt NewFetchImageData( const TDesC& aUri );

        /**

        * From MSvgtAppObserver

        * @see MSvgtAppObserver::AssignEmbededDataL

        */ 

        virtual void AssignEmbededDataL( const TDesC& aUri );

        /**

        * From MSvgtAppObserver

        * @see MSvgtAppObserver::ExitWhenOrientationChange

        */

        virtual TBool ExitWhenOrientationChange();

    private: // In MPluginNotify in S60

        TInt NotifyL(TNotificationType aCallType, void* aParam);    

    private:                                

        // Pointer to the Svg control               

        CCoeControl* iSvgControl;

        // Pointer to the Parent Control

        const CCoeControl* iParent;

        // file Handle of the file displayed

        RFile iFileHandle;

        // environment pointer

        CEikonEnv* iEikEnv;

        // current size of the control

        TRect iRect;

        // flag to indicate whether render frames control or

        // Custom control is used.

        TBool iIsRenderFrameControl;

        // Name of the Svg file

        TFileName iFileName;

        // last error encountered by the SVG Plugin

        TInt iLastError;

    };

#endif //  SVGSCREENSAVER_H

// End of File