/*

* Copyright (c) 2003 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:  SVGT Plugin Implementation header file

 *

*/

#ifndef __SVGTPLUGIN_H

#define __SVGTPLUGIN_H

#include <e32std.h>

#include <coecntrl.h>

#include <coemain.h>

#include <fbs.h>

#include <barsread.h>

#include <hwrmlight.h>

//SVGT Engine interface

#include <SVGRequestObserver.h>

#include <SVGEngineInterfaceImpl.h>

#include <SVGHyperlinkListener.h>

#include "SVGListener.h"

#include <npupp.h>

#include "MRepositoryVolumeObserver.h"

class   CSvgtPlugin;

class   CSvgEngineInterfaceImpl;

class   CFbsBitmap;

class   CVolumeKeyListener;

class   CRepositoryVolumeListener;

/******************************************

This class is specific to ECom Style Plugin.

This is used for passing plugin specific initialization information to and from

browser.

*******************************************/

IMPORT_C NPError InitializeFuncs(NPPluginFuncs* aPpf);

const TInt KSvgtPluginImplementationValue = 0x101F8823; //implementation id Svgt Ecom Plugin

class CSvgtPluginEcomMain :  public CEcomBrowserPluginInterface

	{

    public: // Functions from base classes

        static CSvgtPluginEcomMain* NewL(TAny* aInitParam);

        ~CSvgtPluginEcomMain();

        NPNetscapeFuncs* Funcs() {return iNpf;}

    private:

        CSvgtPluginEcomMain(NPNetscapeFuncs* aNpf);

        void ConstructL(NPPluginFuncs* aPluginFuncs);

        NPNetscapeFuncs* iNpf;

	};

/****************************************

Class CSvgtPluginControl

Class to Handle UI related actions

****************************************/

class CSvgtPluginControl : public CCoeControl, public MCoeControlObserver,

                           public MPluginNotifier, public MHWRMLightObserver

    {

public:

    ~CSvgtPluginControl();

    void ConstructL(CSvgtPlugin *aPlugin, const CCoeControl *aParentControl);

    TKeyResponse OfferKeyEventL(const TKeyEvent& aKeyEvent,TEventCode aType);

    void FocusChanged(TDrawNow aDrawNow);

private: // new - possible notifications

#ifndef ER5

    TCoeInputCapabilities InputCapabilities() const;

#endif

    void ApplicationFocusChanged(TBool aInFocus);

    void SystemNotification();

    void Draw(const TRect& aRect) const;

    TInt CountComponentControls() const;

    CCoeControl* ComponentControl(TInt aIndex) const;

    void HandlePointerEventL(const TPointerEvent& aPointerEvent);

    void SizeChanged();

    void HandleControlEventL(CCoeControl* aControl, TCoeEvent aEventType);

private: // in MPluginNottify in S60

    TInt NotifyL(TNotificationType aCallType, void* aParam);

public: //From MEikMenuObserver

public:

    void LightStatusChanged(TInt aTarget, CHWRMLight::TLightStatus aStatus);

	CHWRMLight* iLightObserver; 

    void AsFile(const TDesC& fname,NPStream* stream);

    TBool IsAsFileCalled();

    TDesC& GetFilename();

private:

    void UpdatePointer(TInt aShiftX =0 , TInt aShiftY=0);

public:

	TSize iContentDimension;

private:

    CSvgtPlugin *iPlugin;

    TInt iPointerDx, iPointerDy;// increment decrement

    TInt iPointerX, iPointerY;//actual Pointer position with respect to Document.

    TBool iAsFileCalled;

    TBuf<256> iFilename;

    TBool iShowCursor;

	TInt iXPosAtMouseDown;

    TInt iYPosAtMouseDown;

	TKeyEvent iPreviousScanCode; //Introduced to differentiate long keypress and short key press

    };

/*******************************************************

Class CSvgtPlugin

********************************************************/

class CSvgtPlugin : public CBase,

                    public MSvgRequestObserver,

                    public MSvgHyperlinkListener,

                    public MSvgViewPortListener

                    ,

                    public MRepositoryVolumeObserver

    {

	struct ImageInfo

		{

		TBuf<256>						iImageRefUri;

		TBool							iImagePendingOps;

		};

public:

    static CSvgtPlugin* NewL(NPP anInstance);

    ~CSvgtPlugin();

    void ConstructL(NPP anInstance);

    void PrepareToExitL();

    CSvgtPluginControl* Control();

    void GetSizeOfRenderBuffer(TSize& aSize);

    NPP Instance();

    void SetWindowL(const NPWindow  *aWindow,const TRect& aRect);

    /**

     * ResizeWindow This function set width & height to the browser

     * and tell brower to resize.

     *

     * @since S60 3.1

     * @param TInt width that needed to be used.

     * @param TInt height that needed to be used.

     * @return void

     */

    void ResizeWindow(TInt width, TInt height);

    /**

     * AdjustDimention

     *

     * @since S60 3.1

     * @return ETrue if dimention needs to be changed. EFalse if dimention

     * remains the same.

     */

     TBool AdjustDimention( TBool aWidthInPercentage, 

             TBool aHeightInPercentage );

    /**

     * This function retrieves attributes from HTML that is

     * passed in by browser engine.

     *

     * @since S60 3.1

     * @param NPMIMEType

     * @param NPP

     * @param uint16

     * @param DesC16Array* attribute names

     * @param CDesC16Array* attribute values

     * @param NPSavedData*

     * @return NPError

     */

     NPError SvgPluginNew(NPMIMEType pluginType, NPP instance, uint16 mode,

        CDesC16Array* argn, CDesC16Array* argv, NPSavedData* saved);

public: // implements MSvgRequestObserver

        void    UpdateScreen();

        TBool   ScriptCall( const TDesC& aScript,

                                    CSvgElementImpl* aCallerElement );

        TInt FetchImage( const TDesC& aUri, RFs& aSession, RFile& aFileHandle );

		TInt FetchFont( const TDesC& aUri, RFs& aSession, RFile& aFileHandle );

        void    GetSmilFitValue(TDes& aSmilValue);

        void    UpdatePresentation(const TInt32&  aNoOfAnimation);

        // MHyperlinkListener interface methods

        TBool   LinkEntered( const TDesC& aUri );

        TBool   LinkExited( const TDesC& aUri );

        TBool   LinkActivated( const TDesC& aUri );

        TBool   LinkActivatedWithShow(const TDesC& aUri,const TDesC& aShow);

        //MSvgViewPortListener method

        void GetViewPort(TInt getWidth, TInt getHeight,TBool isWidthInPer, TBool isHeightInPer, TInt &setWidth, TInt &setHeight);

        //  From MRepositoryVolumeObserver

        void VolumeChanged(TInt aNewValue);

		TBool   LoadSvgFile( const TDesC& aFilename );

private:

        void FetchImageL(const TDesC&  aUri);       

public:

    CFbsBitmap *                iRenderBuffer;

	TSize						iControlSize;

 	TBool          				iSetWindowCalled;

 	TBool                       iStartCalled;

    CSvgEngineInterfaceImpl *    iSvgModule;

    TInt iRenderWidth;

    TInt iRenderHeight;

    TInt iObjectWidth;

    TInt iObjectHeight;

    NPWindow iCurrentWindow;

    TBool   iTotalNumerOfAnimation, iStaticContent;

	/*Image Rendering*/

	RPointerArray<HBufC>	        iImageUrlInfoList;

    TInt                iViewPortWidth;

    TInt                iViewPortHeight;

private:

    CVolumeKeyListener* iKeyListener;

    CRepositoryVolumeListener* iRepositoryListener;

    MPluginAdapter*             iPluginAdapter;

    //Control of UI for SVGT Engine

    CCoeControl             *   iParentControl;

    CSvgtPluginControl      *   iControl;

    NPP                         iInstance;

    TBool                       iIsRenderBufferDefined;

    TInt                        iResourceFileIndex;

    TBool						iExpectedDefaultSize;

    TBool						iAdjusted;

    // Flag indicates whether object height is specified 

    // as percentage value

    TBool                       iObjHeightInPercentage;

    // Flag indicates whether object width is specified 

    // as percentage value    

    TBool                       iObjWidthInPercentage;

    //While parsing are object width height are specified or not

    TBool   iObjectWidthSpecified;

    TBool   iObjectHeightSpecified;

    };

/*********************************************************************************

    Plugin API methods

*/

/**

  * Create a plugin.

  */

NPError SvgtPluginNewp(NPMIMEType pluginType, NPP instance, uint16 mode, CDesCArray* argn, CDesCArray* argv, NPSavedData* saved);

/**

  * Destroy a plugin.

  */

NPError SvgtPluginDestroy(NPP instance, NPSavedData** save);

/**

  * This is the parent window of a plugin.

  */

NPError SvgtPluginSetWindow(NPP instance, NPWindow* window);

/**

  * A new data stream has been created for sending data to the plugin.

  */

NPError SvgtPluginNewStream(NPP instance, NPMIMEType type, NPStream* stream, NPBool seekable, uint16* stype);

/**

  * A data stream has been terminated.

  */

NPError SvgtPluginDestroyStream(NPP instance, NPStream* stream, NPReason reason);

/**

  * A data stream has been fully saved to a file.

  */

void SvgtPluginAsFile(NPP instance, NPStream* stream, const TDesC& fname);

/**

  * Return the maximum number of bytes this plugin can accept from the stream.

  */

int32 SvgtPluginWriteReady(NPP instance, NPStream* stream);

/**

  * Receive more data - return number of bytes processed.

  */

int32 SvgtPluginWrite(NPP instance, NPStream* stream, int32 offset, int32 len, void* buffer);

/**

  * Generic hook to set values/attributes within the plugin.

  */

NPError SvgtPluginSetValue(NPP instance, NPNVariable variable, void *ret_value);

/**

  * Generic hook to get values/attributes from the plugin.

  */

NPError SvgtPluginGetValue(NPP instance, NPNVariable variable, void* *ret_value);

/**

  * Event

  */

int16 SvgtPluginEvent(NPP instance, void* event);

void SvgtPluginURLNotify(NPP instance, const TDesC& url, NPReason reason, void* notifyData);

void SvgtPluginPrint(NPP instance, NPPrint* platformPrint);

#endif // __PLGPLUGIN_H