svgtviewer/SvgtViewerPlugin/ScreenSaverPluginSrc/SvgScreenSaver.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 25 May 2010 12:28:38 +0300
branchRCL_3
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permissions -rw-r--r--
Revision: 201019 Kit: 2010121
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/*
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* Copyright (c) 2005 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:  This file implements the SVGT Screen Saver Plugin which
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*                is used by Screen Saver application to display SVGT content
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*
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*/
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#include <eikenv.h>
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#include <bautils.h>
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#include <aknnotewrappers.h> 
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#include <SVGTCustControl.h>
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#include <coecntrl.h>
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#include <SVGTUIDialog.hrh>
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#include <SVGTAppObserverUtil.h>
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#include "SvgScreenSaver.h"
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#include "SvgRenderFrameControl.h"
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_LIT( KSccSmilFitValue,"meet" );
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// ============================ MEMBER FUNCTIONS ===============================
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// -----------------------------------------------------------------------------
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// CSvgScreenSaver::CSvgScreenSaver
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// -----------------------------------------------------------------------------
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//
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CSvgScreenSaver::CSvgScreenSaver():iIsRenderFrameControl(ETrue),
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                                   iLastError(KErrNone)
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    {        
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    }
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// -----------------------------------------------------------------------------
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// CSvgScreenSaver::~CSvgScreenSaver
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// -----------------------------------------------------------------------------
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//   
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CSvgScreenSaver::~CSvgScreenSaver()
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    {
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    iFileHandle.Close();
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    delete iSvgControl;    
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    }
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// -----------------------------------------------------------------------------
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// CSvgScreenSaver::SetRect
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// -----------------------------------------------------------------------------
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//    
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void CSvgScreenSaver::SetRect(const TRect& aRect)
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    {
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    iRect = aRect;
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    if ( iIsRenderFrameControl )
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        {
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        if ( iSvgControl )
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            {
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            TInt index = STATIC_CAST(CSvgRenderFrameControl*, iSvgControl)->
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                GetCurrentIndex(); 
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            delete iSvgControl;      
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            iSvgControl = NULL;
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            AsFile( iFileName );
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            if ( iIsRenderFrameControl && iSvgControl )
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                {
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                STATIC_CAST(CSvgRenderFrameControl*, iSvgControl)->
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                   SetCurrentIndex( index );                    
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                }
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            }        
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        }
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    else
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        {
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        if ( iSvgControl )
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            {
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            iSvgControl->SetExtentToWholeScreen();
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            }
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        }        
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    }
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// -----------------------------------------------------------------------------
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// CSvgScreenSaver::SendCommandL
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// -----------------------------------------------------------------------------
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//
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void CSvgScreenSaver::SendCommandL( TInt aCommand )
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    {
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    if ( !iSvgControl )
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        {
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        User::Leave( KErrGeneral );
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        }
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    if ( iIsRenderFrameControl )
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        {
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        STATIC_CAST(CSvgRenderFrameControl*, iSvgControl)->
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                ProcessViewerCommandL( aCommand );
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        }
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    else
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        {
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        STATIC_CAST(CSVGTCustControl*, iSvgControl)->
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                ProcessViewerCommandL( aCommand );
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        }    
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    }
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// -----------------------------------------------------------------------------
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// CSvgScreenSaver::MakeVisible
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// -----------------------------------------------------------------------------
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//
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void CSvgScreenSaver::MakeVisible( TBool aVisible )
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    {
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    if ( iSvgControl )
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        {
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        iSvgControl->MakeVisible( aVisible );        
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        }    
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    }
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// -----------------------------------------------------------------------------
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// CSvgScreenSaver::GetLastError
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// -----------------------------------------------------------------------------
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//
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TInt CSvgScreenSaver::GetLastError() const
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    {
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    return iLastError;
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    }
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// -----------------------------------------------------------------------------
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// CSvgScreenSaver::FetchImage
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// -----------------------------------------------------------------------------
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//    
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TInt CSvgScreenSaver::FetchImage( const TDesC& aUri, RFs& aSession, 
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                 RFile& aFileHandle )
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    {
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    CSVGTAppObserverUtil::TDownloadNeeded dnloadNeeded = 
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                                     CSVGTAppObserverUtil::ELocalImageFile ;
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    TRAPD( err, 
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       dnloadNeeded = CSVGTAppObserverUtil::IsDownloadNeededL( aUri ));
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    if ( err != KErrNone )
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        {        
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        return err;   
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        }
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    if ( CSVGTAppObserverUtil::ELocalImageFile == dnloadNeeded )
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        {
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        TFileName fileName;    
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        if ( CSVGTAppObserverUtil::GetLocalFile( aUri, fileName, iFileName ) )
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            {
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            return aFileHandle.Open( aSession, fileName, EFileShareAny );
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            }
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        else
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            {
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            return KErrNotFound;
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            }
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        }
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    return KErrNotFound;
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    }
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// -----------------------------------------------------------------------------
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// CSvgScreenSaver::GetSmilFitValue
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// -----------------------------------------------------------------------------
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//
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void CSvgScreenSaver::GetSmilFitValue(TDes& aSmilValue)
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    {
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    aSmilValue.Copy( KSccSmilFitValue );
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    }
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// -----------------------------------------------------------------------------
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// CSvgScreenSaver::NotifyL
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// -----------------------------------------------------------------------------
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//    
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TInt CSvgScreenSaver::NotifyL(TNotificationType /*aCallType*/, 
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                                    void* /*aParam*/)
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    {
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    return KErrNone;
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   181
    }
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// -----------------------------------------------------------------------------
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// CSvgScreenSaver::ConstructL
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// -----------------------------------------------------------------------------
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//    
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void CSvgScreenSaver::ConstructL( const CCoeControl* aParent )
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   188
    { 
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    iParent = aParent; 
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    iEikEnv = CEikonEnv::Static();
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    }
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// -----------------------------------------------------------------------------
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// CSvgScreenSaver::AsFile
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// -----------------------------------------------------------------------------
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//     
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TInt CSvgScreenSaver::AsFile(const TDesC& aFileName)
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    {
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    iFileName = aFileName;
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    iLastError = iFileHandle.Open( iEikEnv->FsSession(), 
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                                 aFileName, 
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                                 EFileShareReadersOnly );
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   203
                                 
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    if ( iLastError != KErrNone )
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   205
        {
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        return iLastError;
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   207
        }
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    TInt aSize = 0;
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   209
    iFileHandle.Size(aSize);
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   210
        
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   211
    if ( aSize > KMaxFileSize )
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   212
       {
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            iLastError = KErrGeneral;
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   214
        }
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   215
                                     
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   216
    else
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   217
        {
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   218
            TRAP( iLastError,
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   219
            iSvgControl = CSvgRenderFrameControl::NewL( iParent, iFileHandle, this ) );    
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   220
        }                                   
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parents:
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   221
            
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   222
    if ( iLastError != KErrNone )
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   223
        {
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   224
        iIsRenderFrameControl = EFalse;
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   225
        delete iSvgControl;
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   226
        iSvgControl = NULL;
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   227
     
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        // reset iLastError
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   229
        iLastError = KErrNone;
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parents:
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   230
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   231
        // Render Frames returned error
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   232
        TRAP( iLastError, 
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   233
          iSvgControl = CSVGTCustControl::NewL( iFileHandle,
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parents:
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   234
                                              this,   // App Observer
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                                              NULL,   // Progress Bar Draw Impl
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                                              NULL,	  // MSK label Impl
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                                              NULL,   // Exit Observer
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                                              EFalse, // No Progressive Render
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                                              iParent,
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                                              ESvgWindowOwning ));
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        if ( iSvgControl )
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            {
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            STATIC_CAST(CSVGTCustControl*, iSvgControl)->
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                    SetCurrentFullScreenStatus( ETrue );
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            // trigger a size changed event
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            iSvgControl->SetExtentToWholeScreen();                    
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            TRAP_IGNORE(STATIC_CAST(CSVGTCustControl*, iSvgControl)->
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                    ProcessViewerCommandL(ESvgtDlgStopCommand));
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            }          
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        else
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            {
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            // Control is not created.
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            iLastError = KErrGeneral;
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            }
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        } 
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    iFileHandle.Close();
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    return iLastError;
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    }
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// -----------------------------------------------------------------------------
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// CSvgScreenSaver::LinkActivated
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// -----------------------------------------------------------------------------
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//  
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TBool CSvgScreenSaver::LinkActivated( const TDesC& /*aUri*/ )
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    {
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    return EFalse;
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    }
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parents:
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parents:
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// -----------------------------------------------------------------------------
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// CSvgScreenSaver::LinkActivatedWithShow
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// -----------------------------------------------------------------------------
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// 
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TBool CSvgScreenSaver::LinkActivatedWithShow( const TDesC& /*aUri*/, 
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                                              const TDesC& /*aShow*/ )
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    {
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    return EFalse;
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    }
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// -----------------------------------------------------------------------------
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// CSvgScreenSaver::SetDownloadMenu
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// -----------------------------------------------------------------------------
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// 
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void CSvgScreenSaver::SetDownloadMenu( TBool /*aAddDownloadMenu*/ )
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    {
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    }
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// -----------------------------------------------------------------------------
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// CSvgScreenSaver::CanShowDownload
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// -----------------------------------------------------------------------------
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//   
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TBool CSvgScreenSaver::CanShowDownload() const
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    {
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    return EFalse;
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   299
    }       
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   300
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// -----------------------------------------------------------------------------
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// CSvgScreenSaver::DisplayDownloadMenuL
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// -----------------------------------------------------------------------------
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//  
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   305
void CSvgScreenSaver::DisplayDownloadMenuL()
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    {
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   307
    }
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// -----------------------------------------------------------------------------
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// CSvgScreenSaver::CanShowSave
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// -----------------------------------------------------------------------------
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   311
// 
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   312
TBool CSvgScreenSaver::CanShowSave()
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    {
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    return EFalse;
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   315
    }
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parents:
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   316
        
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// -----------------------------------------------------------------------------
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   318
// CSvgScreenSaver::IsSavingDone
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   319
// -----------------------------------------------------------------------------
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   320
// 
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parents:
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   321
TBool CSvgScreenSaver::IsSavingDone()
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   322
    {
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   323
    return EFalse;
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parents:
diff changeset
   324
    }
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parents:
diff changeset
   325
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parents:
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   326
// -----------------------------------------------------------------------------
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parents:
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   327
// CSvgScreenSaver::DoSaveL
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parents:
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   328
// -----------------------------------------------------------------------------
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parents:
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   329
//  
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   330
void CSvgScreenSaver::DoSaveL( TInt /*aCommandId*/ )
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parents:
diff changeset
   331
    {
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parents:
diff changeset
   332
    }
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parents:
diff changeset
   333
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parents:
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   334
// -----------------------------------------------------------------------------
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parents:
diff changeset
   335
// CSvgScreenSaver::NewFetchImageData
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parents:
diff changeset
   336
// -----------------------------------------------------------------------------
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parents:
diff changeset
   337
//  
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parents:
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   338
TInt CSvgScreenSaver::NewFetchImageData( const TDesC& /* aUri */ )
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parents:
diff changeset
   339
    {
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   340
    return KErrNone;
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parents:
diff changeset
   341
    }
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parents:
diff changeset
   342
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parents:
diff changeset
   343
// -----------------------------------------------------------------------------
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parents:
diff changeset
   344
// CSvgScreenSaver::AssignEmbededDataL
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parents:
diff changeset
   345
// -----------------------------------------------------------------------------
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parents:
diff changeset
   346
//  
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parents:
diff changeset
   347
void CSvgScreenSaver::AssignEmbededDataL( const TDesC& /*aUri*/ )
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parents:
diff changeset
   348
    {
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parents:
diff changeset
   349
    }
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parents:
diff changeset
   350
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parents:
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   351
// -----------------------------------------------------------------------------
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parents:
diff changeset
   352
// CSvgScreenSaver::ExitWhenOrientationChange
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parents:
diff changeset
   353
// -----------------------------------------------------------------------------
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//  
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TBool CSvgScreenSaver::ExitWhenOrientationChange()
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    {
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        return EFalse;
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    }
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// End Of file.
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