commonuis/CommonUi/src/Docmidlethandler.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 02 Feb 2010 01:00:49 +0200
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/*
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* Copyright (c) 2002-2005 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:  Implements Midlet handler class for document handler.
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*
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*/
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#include <apgtask.h>
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#include <eikenv.h>
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#include <eikappui.h>
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#include <vwsdef.h>
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#include <e32math.h>
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#include <EikProc.h>                // CEikProcess
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#include <EikDoc.h>                 // CEikDocument
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#include <EikEnv.h>                 // CEikEnv
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#include <UriUtils.h>
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#include <f32file.h>
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#include <s32file.h>
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#include <AiwGenericParam.h>
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#include "DocMidletHandler.h"
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#include "DocSaver.h"                   // CDocAsyncSaver
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// The UID for Java MIDlets
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const TInt KUidJavaMidpAppValue = 0x100096C5;
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// ---------------------------------------------------------    
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// Constructor
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// ---------------------------------------------------------
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CDocMidletHandler::CDocMidletHandler(
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    const TDataType& aDataType,
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    const TUid& aUid,
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    CDocumentHandler* aDocDispatcher) : 
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    CDocDefaultHandler( aDataType, aUid, aDocDispatcher, EDocOpenAndSave )
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    {
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    }
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// ---------------------------------------------------------
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// void CDocMidletHandler::ConstructL(..)
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// Epoc constructor. 
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// ---------------------------------------------------------
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void CDocMidletHandler::ConstructL()
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    {
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    BaseConstructL();
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    }
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// ---------------------------------------------------------
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// CDocMidletHandler::~CDocMidletHandler()
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// Destructor
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// ---------------------------------------------------------
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CDocMidletHandler::~CDocMidletHandler()
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    {
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    }
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// ---------------------------------------------------------
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// CDocMidletHandler* CDocMidletHandler::NewL(..)
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// Returns a contructed CDocMidletHandler object
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// ---------------------------------------------------------
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CDocMidletHandler* CDocMidletHandler::NewL(
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    const TDataType& aDataType,
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    const TUid& aUid,
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    CDocumentHandler* aDocDispatcher)
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    {
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    CDocMidletHandler* self = CDocMidletHandler::NewLC( aDataType,  
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                                                      aUid, aDocDispatcher );
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    CleanupStack::Pop();    // self
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    return self;
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    }
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// ---------------------------------------------------------
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// CDocMidletHandler* CDocMidletHandler::NewLC(..)
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// Returns a contructed CDocMidletHandler object. Leaves
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// the object in the cleanup stack.
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// ---------------------------------------------------------
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CDocMidletHandler* CDocMidletHandler::NewLC(
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    const TDataType& aDataType,
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    const TUid& aUid,
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    CDocumentHandler* aDocDispatcher)
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    {
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    CDocMidletHandler * self = 
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        new( ELeave ) CDocMidletHandler( aDataType, aUid,
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                                        aDocDispatcher );
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    CleanupStack::PushL( self );
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    self->ConstructL( );
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    return self;
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    }
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TInt CDocMidletHandler::OpenFileEmbeddedL(RFile& aFileHandle)
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    {
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    // Midlets cannot be launched as embedded, so just call OpenFileL()
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    // here for now.
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    return OpenFileL(aFileHandle);
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    }
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TInt CDocMidletHandler::OpenFileL(RFile& /*aFileHandle*/)
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    {
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// TODO: This type of application launching is not supported on release 3.0
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// Do we need still support midlets?
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    return KErrNotSupported;
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    }
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TBool CDocMidletHandler::IsMidlet(const TUid& aUid)
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    {
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    // Find out if given UID belongs to a Java Midlet        
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    TBool isMidlet = EFalse;
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    RApaLsSession   appArcSession;
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    TInt error = appArcSession.Connect();
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    if (error == KErrNone)
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        {
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        TApaAppInfo aInfo;
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        appArcSession.GetAppInfo(aInfo, aUid);
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        #ifdef _DEBUG        
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        RDebug::Print(_L("DocumentHandler: CDocMidletHandler::IsMidlet: Checking possible Midlet app = "));
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        RDebug::Print(aInfo.iFullName);
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        #endif
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        RFs fs;
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        TInt connectError = fs.Connect();
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        if (connectError == KErrNone)
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            {
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            TEntry entry;
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            TInt readError = fs.Entry(aInfo.iFullName,entry); // Check if file exists, and get uid
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            if (readError == KErrNone)
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                {
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                TUid uid = TUid::Uid(KUidJavaMidpAppValue);
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                if (entry.iType[1] == uid)
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                    {
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                    isMidlet = ETrue;
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                    #ifdef _DEBUG        
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                    RDebug::Print(_L("DocumentHandler: CDocMidletHandler::IsMidlet: App is a Midlet app !"));
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                    #endif
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                    }
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                }
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            fs.Close();
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            }
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        else
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            {
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            #ifdef _DEBUG        
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            RDebug::Print(_L("DocumentHandler: CDocMidletHandler::IsMidlet: connect fs error: %d"), connectError);
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            #endif
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            }
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        appArcSession.Close(); 
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        }
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    return isMidlet;    
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    }
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//  End of File