1 // Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 

    17 #include <f32file.h>

    18 

    19 #include <mtp/cmtptypefile.h>

    20 #include <mtp/cmtpobjectmetadata.h>

    21 #include <mtp/mmtpdataproviderframework.h>

    22 #include <mtp/mmtpobjectmgr.h>

    23 #include <mtp/mmtpstoragemgr.h>

    24 #include <mtp/mtpprotocolconstants.h>

    25 #include <mtp/tmtptyperequest.h>

    26 #include "cmtppictbridgedpgetobject.h"

    27 #include "cmtppictbridgeprinter.h"

    28 #include "mtppictbridgedppanic.h"

    29 #include "cmtprequestchecker.h"

    30 #include "cptpserver.h"

    31 

    32 /**

    33 Verification data for the GetNumObjects request

    34 */

    35 const TMTPRequestElementInfo KMTPGetObjectPolicy[] = 

    36     {

    37         {TMTPTypeRequest::ERequestParameter1, EMTPElementTypeObjectHandle, EMTPElementAttrFile, 0, 0, 0}

    38     };

    39 

    40 //=============================================================================

    41 //

    42 //=============================================================================

    43 MMTPRequestProcessor* CMTPPictBridgeDpGetObject::NewL(

    44 	MMTPDataProviderFramework& aFramework,

    45 	MMTPConnection& aConnection,

    46 	CMTPPictBridgeDataProvider& aDataProvider)

    47     {       

    48     CMTPPictBridgeDpGetObject* self = new (ELeave) CMTPPictBridgeDpGetObject(aFramework, aConnection, aDataProvider);

    49     CleanupStack::PushL(self);

    50     self->ConstructL();

    51     CleanupStack::Pop(self);         

    52     return self;

    53     }

    54 

    55 /**

    56 Destructor

    57 */  

    58 CMTPPictBridgeDpGetObject::~CMTPPictBridgeDpGetObject()

    59     {   

    60     __FLOG(_L8("~CMTPPictBridgeDpGetObject"));          

    61     delete iFileObject;

    62     __FLOG_CLOSE;

    63     }

    64     

    65 /**

    66 Standard c++ constructor

    67 */  

    68 CMTPPictBridgeDpGetObject::CMTPPictBridgeDpGetObject(

    69 	MMTPDataProviderFramework& aFramework,

    70 	MMTPConnection& aConnection,

    71 	CMTPPictBridgeDataProvider& aDataProvider): 

    72     CMTPRequestProcessor(aFramework, aConnection, sizeof(KMTPGetObjectPolicy)/sizeof(TMTPRequestElementInfo), KMTPGetObjectPolicy),

    73     iPictBridgeDP(aDataProvider),

    74     iError(EMTPRespCodeOK)

    75     {    

    76     }

    77 

    78 /**

    79 Second-phase constructor.

    80 */        

    81 void CMTPPictBridgeDpGetObject::ConstructL()

    82     {

    83     __FLOG_OPEN(KMTPSubsystem, KComponent);

    84     }

    85 

    86 /**

    87 GetObject request handler

    88 */      

    89 void CMTPPictBridgeDpGetObject::ServiceL()

    90     {

    91     __FLOG(_L8(">> CMTPPictBridgeDpGetObject::ServiceL"));        

    92     __ASSERT_DEBUG(iRequestChecker, Panic(EMTPPictBridgeDpRequestCheckNull));

    93     TUint32 objectHandle = Request().Uint32(TMTPTypeRequest::ERequestParameter1);

    94     //does not take ownership

    95     CMTPObjectMetaData* objectInfo = iRequestChecker->GetObjectInfo(objectHandle);

    96     if (!objectInfo)

    97         {

    98         __FLOG_VA((_L8(">> CMTPPictBridgeDpGetObject::ServiceL no object info for objectHandle %d"), objectHandle));

    99         // The object handle has already been checked, so an invalid handle can

   100         // only occur if it was invalidated during a context switch between

   101         // the validation time and now.

   102         iError = EMTPRespCodeInvalidObjectHandle;

   103         iPictBridgeDP.PtpServer()->Printer()->DpsFileSent(KErrBadHandle);

   104         }

   105     else

   106         {

   107         BuildFileObjectL(objectInfo->DesC(CMTPObjectMetaData::ESuid));

   108         SendDataL(*iFileObject);

   109         iPictBridgeDP.PtpServer()->Printer()->DpsFileSent(KErrNone);

   110         }

   111     __FLOG(_L8("<< CMTPPictBridgeDpGetObject::ServiceL"));

   112     }

   113 

   114 //=============================================================================

   115 //

   116 //=============================================================================

   117 void CMTPPictBridgeDpGetObject::BuildFileObjectL(const TDesC& aFileName)

   118     {

   119     __FLOG(_L8(">> CMTPPictBridgeDpGetObject::BuildFileObjectL"));            

   120     delete iFileObject;

   121     iFileObject = NULL;

   122     iFileObject = CMTPTypeFile::NewL(iFramework.Fs(), aFileName, EFileRead);

   123     __FLOG(_L8("<< CMTPPictBridgeDpGetObject::BuildFileObjectL"));            

   124     }

   125     

   126 

   127 //=============================================================================

   128 //

   129 //=============================================================================

   130 TBool CMTPPictBridgeDpGetObject::DoHandleResponsePhaseL()

   131     {

   132     __FLOG(_L8(">> CMTPPictBridgeDpGetObject::DoHandleResponsePhaseL"));            

   133     TMTPResponseCode responseCode = (iCancelled ? EMTPRespCodeIncompleteTransfer : iError);

   134     SendResponseL(responseCode);

   135     __FLOG(_L8("<< CMTPPictBridgeDpGetObject::DoHandleResponsePhaseL"));

   136     return EFalse;

   137     }

   138