usbclasses/pictbridgeengine/src/dpsscriptreceiver.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 17 Dec 2009 09:14:30 +0200
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/*
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* Copyright (c) 2006, 2007 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 class implements the dps script receiving function. 
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*
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*/
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#include <e32debug.h>
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#include <f32file.h>
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#include "dpsscriptreceiver.h"
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#include "dpsstatemachine.h"
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#include "pictbridge.h"
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#include "dpsconst.h"
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#ifdef _DEBUG
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#	define IF_DEBUG(t) {RDebug::t;}
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#else
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#	define IF_DEBUG(t)
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#endif
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// ---------------------------------------------------------------------------
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// 
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// ---------------------------------------------------------------------------
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//
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CDpsScriptReceiver* CDpsScriptReceiver::NewL(CDpsStateMachine* aOperator)								 	     
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    {
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    IF_DEBUG(Print(_L("CDpsScriptReceiver::NewL")));
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    CDpsScriptReceiver* self = new(ELeave) CDpsScriptReceiver(aOperator);
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    return self;	
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    }
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// ---------------------------------------------------------------------------
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// 
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// ---------------------------------------------------------------------------
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//
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CDpsScriptReceiver::CDpsScriptReceiver(CDpsStateMachine* aOperator) :
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    CActive(EPriorityNormal), iOperator(aOperator),
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    iFileNameAndPath(KDpsHostResponseFileName)
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    {
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    IF_DEBUG(Print(_L(">>>CDpsScriptReceiver::Ctor")));
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    CActiveScheduler::Add(this);  
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    WaitForReceive();
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    IF_DEBUG(Print(_L("<<<CDpsScriptReceiver::Ctor")));
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    }  
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// ---------------------------------------------------------------------------
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// 
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// ---------------------------------------------------------------------------
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//	
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CDpsScriptReceiver::~CDpsScriptReceiver()
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    {
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    IF_DEBUG(Print(_L(">>>~CDpsScriptReceiver")));
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    Cancel();
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    IF_DEBUG(Print(_L("<<<~CDpsScriptReceiver")));
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    }
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// ---------------------------------------------------------------------------
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// 
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// ---------------------------------------------------------------------------
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//   
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void CDpsScriptReceiver::WaitForReceive()
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    {
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    IF_DEBUG(Print(_L(">>>CDpsScriptReceiver::WaitForReceive"))); 
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    if (!IsActive())
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        {	
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        iOperator->DpsEngine()->Ptp().ObjectReceivedNotify(KDpsScriptFile, 
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            iFileNameAndPath, iStatus, EFalse);        
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        SetActive();		    	
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        }
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    IF_DEBUG(Print(_L("<<<CDpsScriptReceiver::WaitForReceive"))); 		
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    }
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// ---------------------------------------------------------------------------
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// 
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// ---------------------------------------------------------------------------
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//	
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TInt CDpsScriptReceiver::GetFileName(TDes& aFileName)
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    {
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    TParse p;
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    TInt err = p.Set(iFileNameAndPath, NULL, NULL);
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    if (KErrNone == err)
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        {
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        aFileName.Copy(p.NameAndExt());
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        }
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    return err;    
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    }
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// ---------------------------------------------------------------------------
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// 
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// ---------------------------------------------------------------------------
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//	
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const TDesC& CDpsScriptReceiver::FileNameAndPath()
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    {
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    return iFileNameAndPath;
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    }
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// ---------------------------------------------------------------------------
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// 
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// ---------------------------------------------------------------------------
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//	
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void CDpsScriptReceiver::RunL()
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    {
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    IF_DEBUG(Print(_L(">>>CDpsScriptReceiver::RunL %S"), &iFileNameAndPath));
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    // in the certain error case, it is possible that the printer sending
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    // the device status before the UI is ready to receive this event.
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   117
    // in this case, pictbridge engine still does not get the ptp folder
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   118
    // setting from the stack. 
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   119
    // if we receive script from host, the stack has started. so we check if
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   120
    // we already get the ptp folder here.
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   121
    if (!iOperator->DpsEngine()->DpsFolder().Length())
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        {
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        iOperator->DpsEngine()->SetDpsFolder(
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            iOperator->DpsEngine()->Ptp().PtpFolder());
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   125
        }
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   126
    if (KErrNone == iStatus.Int())
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        {
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        TFileName receive;
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        User::LeaveIfError(GetFileName(receive));
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        IF_DEBUG(Print(_L("received file is %S"), &receive));
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   131
         // reply from Host is received    
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   132
        if (!receive.Compare(KDpsHostResponseFileName))
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   133
            {
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            iOperator->ScriptReceivedNotifyL(ETrue);    
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   135
            }
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   136
        // request from Host is received    
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   137
        else if (!receive.Compare(KDpsHostRequestFileName))
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   138
            {
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   139
            iOperator->ScriptReceivedNotifyL(EFalse);    
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   140
            }
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   141
        WaitForReceive();    
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   142
        }                
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   143
    else
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   144
    	{
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   145
        IF_DEBUG(Print(_L("the iStatus is wrong!!! %d"), iStatus.Int()));
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   146
        iOperator->Error(iStatus.Int());
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   147
        }    
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   148
    IF_DEBUG(Print(_L("<<<CDpsScriptReceiver::RunL")));
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   149
    }
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   150
 
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// ---------------------------------------------------------------------------
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   152
// 
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// ---------------------------------------------------------------------------
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   154
//    
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   155
void CDpsScriptReceiver::DoCancel()
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   156
    {
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   157
    IF_DEBUG(Print(_L(">>>CDpsScriptReceiver::DoCancel")));
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   158
    iOperator->DpsEngine()->Ptp().CancelObjectReceivedNotify();
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   159
    IF_DEBUG(Print(_L("<<<CDpsScriptReceiver::DoCancel")));
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   160
    }
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   161
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   162
// ---------------------------------------------------------------------------
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   163
// 
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   164
// ---------------------------------------------------------------------------
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   165
//	
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   166
TInt CDpsScriptReceiver::RunError(TInt aError)	
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   167
    {
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   168
    IF_DEBUG(Print(_L(">>>CDpsScriptReceiver::RunError is %d"), aError));
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   169
    // if error happened cancel the outstanding request
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   170
    Cancel();
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   171
    iOperator->Error(aError);
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   172
    IF_DEBUG(Print(_L("<<<CDpsScriptReceiver::RunError")));
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   173
    return KErrNone;
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   174
    }