svgtopt/SVGTPlugin/inc/Svgtplugin.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 27 Apr 2010 17:34:09 +0300
branchRCL_3
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Revision: 201016 Kit: 201017
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/*
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* Copyright (c) 2003 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:  SVGT Plugin Implementation header file
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 *
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*/
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#ifndef __SVGTPLUGIN_H
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#define __SVGTPLUGIN_H
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#include <e32std.h>
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#include <coecntrl.h>
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#include <coemain.h>
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#include <fbs.h>
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#include <barsread.h>
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#include <hwrmlight.h>
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//SVGT Engine interface
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#include <SVGRequestObserver.h>
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#include <SVGEngineInterfaceImpl.h>
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#include <SVGHyperlinkListener.h>
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#include "SVGListener.h"
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#include <npupp.h>
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#include <pluginadapterinterface.h>
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#include <cecombrowserplugininterface.h>
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#include "MRepositoryVolumeObserver.h"
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class   CSvgtPlugin;
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class   CSvgEngineInterfaceImpl;
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class   CFbsBitmap;
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class   CVolumeKeyListener;
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class   CRepositoryVolumeListener;
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/******************************************
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This class is specific to ECom Style Plugin.
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This is used for passing plugin specific initialization information to and from
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browser.
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*******************************************/
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IMPORT_C NPError InitializeFuncs(NPPluginFuncs* aPpf);
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const TInt KSvgtPluginImplementationValue = 0x101F8823; //implementation id Svgt Ecom Plugin
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class CSvgtPluginEcomMain :  public CEcomBrowserPluginInterface
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	{
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    public: // Functions from base classes
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        static CSvgtPluginEcomMain* NewL(TAny* aInitParam);
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        ~CSvgtPluginEcomMain();
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        NPNetscapeFuncs* Funcs() {return iNpf;}
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    private:
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        CSvgtPluginEcomMain(NPNetscapeFuncs* aNpf);
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        void ConstructL(NPPluginFuncs* aPluginFuncs);
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        NPNetscapeFuncs* iNpf;
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	};
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/****************************************
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Class CSvgtPluginControl
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Class to Handle UI related actions
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****************************************/
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class CSvgtPluginControl : public CCoeControl, public MCoeControlObserver,
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                           public MPluginNotifier, public MHWRMLightObserver
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    {
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public:
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    ~CSvgtPluginControl();
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    void ConstructL(CSvgtPlugin *aPlugin, const CCoeControl *aParentControl);
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    TKeyResponse OfferKeyEventL(const TKeyEvent& aKeyEvent,TEventCode aType);
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    void FocusChanged(TDrawNow aDrawNow);
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private: // new - possible notifications
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#ifndef ER5
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    TCoeInputCapabilities InputCapabilities() const;
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#endif
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    void ApplicationFocusChanged(TBool aInFocus);
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    void SystemNotification();
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    void Draw(const TRect& aRect) const;
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    TInt CountComponentControls() const;
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    CCoeControl* ComponentControl(TInt aIndex) const;
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    void HandlePointerEventL(const TPointerEvent& aPointerEvent);
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    void SizeChanged();
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    void HandleControlEventL(CCoeControl* aControl, TCoeEvent aEventType);
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private: // in MPluginNottify in S60
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    TInt NotifyL(TNotificationType aCallType, void* aParam);
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public: //From MEikMenuObserver
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public:
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    void LightStatusChanged(TInt aTarget, CHWRMLight::TLightStatus aStatus);
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	CHWRMLight* iLightObserver; 
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    void AsFile(const TDesC& fname,NPStream* stream);
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    TBool IsAsFileCalled();
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    TDesC& GetFilename();
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private:
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    void UpdatePointer(TInt aShiftX =0 , TInt aShiftY=0);
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public:
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	TSize iContentDimension;
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private:
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    CSvgtPlugin *iPlugin;
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    TInt iPointerDx, iPointerDy;// increment decrement
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    TInt iPointerX, iPointerY;//actual Pointer position with respect to Document.
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    TBool iAsFileCalled;
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    TBuf<256> iFilename;
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    TBool iShowCursor;
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	TInt iXPosAtMouseDown;
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    TInt iYPosAtMouseDown;
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	TKeyEvent iPreviousScanCode; //Introduced to differentiate long keypress and short key press
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    };
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/*******************************************************
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Class CSvgtPlugin
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********************************************************/
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class CSvgtPlugin : public CBase,
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                    public MSvgRequestObserver,
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                    public MSvgHyperlinkListener,
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                    public MSvgViewPortListener
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                    ,
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                    public MRepositoryVolumeObserver
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    {
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	struct ImageInfo
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		{
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		TBuf<256>						iImageRefUri;
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		TBool							iImagePendingOps;
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		};
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public:
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    static CSvgtPlugin* NewL(NPP anInstance);
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    ~CSvgtPlugin();
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    void ConstructL(NPP anInstance);
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    void PrepareToExitL();
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    CSvgtPluginControl* Control();
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    void GetSizeOfRenderBuffer(TSize& aSize);
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    NPP Instance();
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    void SetWindowL(const NPWindow  *aWindow,const TRect& aRect);
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    /**
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     * ResizeWindow This function set width & height to the browser
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     * and tell brower to resize.
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     *
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     * @since S60 3.1
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     * @param TInt width that needed to be used.
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     * @param TInt height that needed to be used.
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     * @return void
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     */
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    void ResizeWindow(TInt width, TInt height);
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    /**
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     * AdjustDimention
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     *
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     * @since S60 3.1
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     * @return ETrue if dimention needs to be changed. EFalse if dimention
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     * remains the same.
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     */
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     TBool AdjustDimention( TBool aWidthInPercentage, 
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             TBool aHeightInPercentage );
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    /**
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     * This function retrieves attributes from HTML that is
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     * passed in by browser engine.
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     *
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     * @since S60 3.1
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     * @param NPMIMEType
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     * @param NPP
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     * @param uint16
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     * @param DesC16Array* attribute names
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     * @param CDesC16Array* attribute values
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     * @param NPSavedData*
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     * @return NPError
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     */
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     NPError SvgPluginNew(NPMIMEType pluginType, NPP instance, uint16 mode,
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        CDesC16Array* argn, CDesC16Array* argv, NPSavedData* saved);
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public: // implements MSvgRequestObserver
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        void    UpdateScreen();
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        TBool   ScriptCall( const TDesC& aScript,
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                                    CSvgElementImpl* aCallerElement );
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        TInt FetchImage( const TDesC& aUri, RFs& aSession, RFile& aFileHandle );
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		TInt FetchFont( const TDesC& aUri, RFs& aSession, RFile& aFileHandle );
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        void    GetSmilFitValue(TDes& aSmilValue);
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        void    UpdatePresentation(const TInt32&  aNoOfAnimation);
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        // MHyperlinkListener interface methods
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        TBool   LinkEntered( const TDesC& aUri );
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        TBool   LinkExited( const TDesC& aUri );
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        TBool   LinkActivated( const TDesC& aUri );
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        TBool   LinkActivatedWithShow(const TDesC& aUri,const TDesC& aShow);
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        //MSvgViewPortListener method
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        void GetViewPort(TInt getWidth, TInt getHeight,TBool isWidthInPer, TBool isHeightInPer, TInt &setWidth, TInt &setHeight);
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        //  From MRepositoryVolumeObserver
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        void VolumeChanged(TInt aNewValue);
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		TBool   LoadSvgFile( const TDesC& aFilename );
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private:
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        void FetchImageL(const TDesC&  aUri);       
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public:
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    CFbsBitmap *                iRenderBuffer;
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	TSize						iControlSize;
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 	TBool          				iSetWindowCalled;
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 	TBool                       iStartCalled;
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    CSvgEngineInterfaceImpl *    iSvgModule;
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    TInt iRenderWidth;
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    TInt iRenderHeight;
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    TInt iObjectWidth;
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    TInt iObjectHeight;
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    NPWindow iCurrentWindow;
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    TBool   iTotalNumerOfAnimation, iStaticContent;
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	/*Image Rendering*/
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	RPointerArray<HBufC>	        iImageUrlInfoList;
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    TInt                iViewPortWidth;
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    TInt                iViewPortHeight;
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private:
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    CVolumeKeyListener* iKeyListener;
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    CRepositoryVolumeListener* iRepositoryListener;
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    MPluginAdapter*             iPluginAdapter;
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    //Control of UI for SVGT Engine
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    CCoeControl             *   iParentControl;
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    CSvgtPluginControl      *   iControl;
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    NPP                         iInstance;
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    TBool                       iIsRenderBufferDefined;
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    TInt                        iResourceFileIndex;
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    TBool						iExpectedDefaultSize;
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    TBool						iAdjusted;
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    // Flag indicates whether object height is specified 
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    // as percentage value
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    TBool                       iObjHeightInPercentage;
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    // Flag indicates whether object width is specified 
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    // as percentage value    
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    TBool                       iObjWidthInPercentage;
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    //While parsing are object width height are specified or not
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    TBool   iObjectWidthSpecified;
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    TBool   iObjectHeightSpecified;
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    };
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/*********************************************************************************
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    Plugin API methods
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*/
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/**
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  * Create a plugin.
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  */
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NPError SvgtPluginNewp(NPMIMEType pluginType, NPP instance, uint16 mode, CDesCArray* argn, CDesCArray* argv, NPSavedData* saved);
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/**
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  * Destroy a plugin.
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  */
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NPError SvgtPluginDestroy(NPP instance, NPSavedData** save);
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/**
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  * This is the parent window of a plugin.
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  */
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NPError SvgtPluginSetWindow(NPP instance, NPWindow* window);
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/**
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  * A new data stream has been created for sending data to the plugin.
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  */
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NPError SvgtPluginNewStream(NPP instance, NPMIMEType type, NPStream* stream, NPBool seekable, uint16* stype);
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/**
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  * A data stream has been terminated.
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  */
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NPError SvgtPluginDestroyStream(NPP instance, NPStream* stream, NPReason reason);
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/**
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  * A data stream has been fully saved to a file.
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  */
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void SvgtPluginAsFile(NPP instance, NPStream* stream, const TDesC& fname);
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/**
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  * Return the maximum number of bytes this plugin can accept from the stream.
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  */
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int32 SvgtPluginWriteReady(NPP instance, NPStream* stream);
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/**
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  * Receive more data - return number of bytes processed.
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  */
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int32 SvgtPluginWrite(NPP instance, NPStream* stream, int32 offset, int32 len, void* buffer);
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/**
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  * Generic hook to set values/attributes within the plugin.
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  */
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NPError SvgtPluginSetValue(NPP instance, NPNVariable variable, void *ret_value);
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/**
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  * Generic hook to get values/attributes from the plugin.
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  */
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NPError SvgtPluginGetValue(NPP instance, NPNVariable variable, void* *ret_value);
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/**
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  * Event
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  */
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int16 SvgtPluginEvent(NPP instance, void* event);
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void SvgtPluginURLNotify(NPP instance, const TDesC& url, NPReason reason, void* notifyData);
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void SvgtPluginPrint(NPP instance, NPPrint* platformPrint);
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#endif // __PLGPLUGIN_H