mtpfws/mtpfw/dataproviders/proxydp/src/cmtpdeleteobject.cpp
changeset 0 d0791faffa3f
child 1 f8e15b44d440
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mtpfws/mtpfw/dataproviders/proxydp/src/cmtpdeleteobject.cpp	Tue Feb 02 01:11:40 2010 +0200
@@ -0,0 +1,280 @@
+// Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+//
+
+#include <mtp/cmtpobjectmetadata.h>
+#include <mtp/cmtpstoragemetadata.h>
+#include <mtp/mmtpdataproviderframework.h>
+#include <mtp/mtpprotocolconstants.h>
+#include <mtp/tmtptyperequest.h>
+#include <mtp/cmtptypearray.h>
+
+#include "cmtpdataprovider.h"
+#include "cmtpdataprovidercontroller.h"
+#include "cmtpdeleteobject.h"
+#include "cmtpobjectmgr.h"
+#include "cmtpparserrouter.h"
+#include "cmtpstoragemgr.h"
+#include "mtpproxydppanic.h"
+#include "rmtpframework.h"
+#include "cmtpobjectbrowser.h"
+#include "mtpdppanic.h"
+
+__FLOG_STMT( _LIT8( KComponent,"PrxyDelObj" ); )
+const TUint KInvalidDpId = 0xFF;
+
+/**
+Two-phase construction method
+@param aFramework    The data provider framework
+@param aConnection    The connection from which the request comes
+@return a pointer to the created request processor object
+*/ 
+MMTPRequestProcessor* CMTPDeleteObject::NewL(MMTPDataProviderFramework& aFramework, MMTPConnection& aConnection)
+    {
+    CMTPDeleteObject* self = new (ELeave) CMTPDeleteObject(aFramework, aConnection);
+    CleanupStack::PushL(self);
+    self->ConstructL();
+    CleanupStack::Pop(self);
+    return self;
+    }
+
+/**
+Destructor
+*/    
+CMTPDeleteObject::~CMTPDeleteObject()
+    {
+    iSingletons.Close();
+    iTargetDps.Close();
+    iHandles.Close();
+    delete iObjBrowser;
+    
+    __FLOG( _L8("+/-Dtor") );
+    __FLOG_CLOSE;
+    }
+
+/**
+Constructor
+*/    
+CMTPDeleteObject::CMTPDeleteObject(MMTPDataProviderFramework& aFramework, MMTPConnection& aConnection) :
+    CMTPRequestProcessor(aFramework, aConnection, 0, NULL),
+    iDeletedObjectsNumber(0)
+    {
+    __FLOG_OPEN( KMTPSubsystem, KComponent );
+    __FLOG( _L8("+/-Ctor") );
+    }
+    
+/**
+Second phase constructor.
+*/
+void CMTPDeleteObject::ConstructL()
+    {
+    __FLOG( _L8("+ConstructL") );
+    
+    iSingletons.OpenL();
+    iOwnerDp = KInvalidDpId;
+    __FLOG( _L8("-ConstructL") );
+    }
+    
+/**
+DeleteObject request handler
+*/ 
+void CMTPDeleteObject::ServiceL()
+    {
+    __FLOG( _L8("+ServiceL") );
+    iTargetDps.Reset();
+    CMTPParserRouter& router(iSingletons.Router());
+    CMTPParserRouter::TRoutingParameters params(Request(), iConnection);
+    router.ParseOperationRequestL(params);
+    router.RouteOperationRequestL(params, iTargetDps);
+    
+    BrowseHandlesL();
+    
+    __FLOG( _L8("-ServiceL") );
+    }
+
+void CMTPDeleteObject::ProxyReceiveDataL(MMTPType& /*aData*/, const TMTPTypeRequest& /*aRequest*/, MMTPConnection& /*aConnection*/, TRequestStatus& /*aStatus*/)
+    {
+    Panic(EMTPWrongRequestPhase);    
+    }
+    
+void CMTPDeleteObject::ProxySendDataL(const MMTPType& /*aData*/, const TMTPTypeRequest& /*aRequest*/, MMTPConnection& /*aConnection*/, TRequestStatus& /*aStatus*/)
+    {
+    Panic(EMTPWrongRequestPhase);
+    }
+    
+#ifdef _DEBUG    
+void CMTPDeleteObject::ProxySendResponseL(const TMTPTypeResponse& aResponse, const TMTPTypeRequest& aRequest, MMTPConnection& aConnection, TRequestStatus& aStatus)
+#else
+void CMTPDeleteObject::ProxySendResponseL(const TMTPTypeResponse& aResponse, const TMTPTypeRequest& /*aRequest*/, MMTPConnection& /*aConnection*/, TRequestStatus& aStatus)
+#endif
+    {
+    __ASSERT_DEBUG(( ( (iRequest == &aRequest) || ( &iCurrentRequest == &aRequest ) ) && (&iConnection == &aConnection)), Panic(EMTPNotSameRequestProxy));
+    MMTPType::CopyL(aResponse, iResponse);
+	TRequestStatus* status = &aStatus;
+	User::RequestComplete(status, KErrNone);
+    }
+
+#ifdef _DEBUG    
+void CMTPDeleteObject::ProxyTransactionCompleteL(const TMTPTypeRequest& aRequest, MMTPConnection& aConnection)
+#else
+void CMTPDeleteObject::ProxyTransactionCompleteL(const TMTPTypeRequest& /*aRequest*/, MMTPConnection& /*aConnection*/)
+#endif
+    {
+    __ASSERT_DEBUG(( ( (iRequest == &aRequest) || ( &iCurrentRequest == &aRequest ) ) && (&iConnection == &aConnection)), Panic(EMTPNotSameRequestProxy));
+    TInt err(KErrNone);      
+    TUint16 responseCode = iResponse.Uint16(TMTPTypeResponse::EResponseCode);
+    
+    //Delete one object successfully
+    if (responseCode == EMTPRespCodeOK)
+        {
+        ++iDeletedObjectsNumber;
+        }
+    //if object is write-protected or assocation object is not empty, we continue to schedule the AO to delete the 
+    //following objects. If it is not the 2 cases, just schedule with KErrGeneral so that we can sendresponse directly 
+    //in RunL
+    else if (responseCode != EMTPRespCodeObjectWriteProtected && responseCode != EMTPRespCodeAccessDenied)
+        {
+        err = KErrGeneral;
+        }
+    
+    ++iCurrentHandle;
+    Schedule(err);
+    }
+
+void CMTPDeleteObject::RunL()
+    {
+    __FLOG( _L8("+RunL") );
+    
+    if ( iStatus == KErrNone )
+        {
+        NextObjectHandleL();
+        if ( iOwnerDp != KInvalidDpId )
+            {
+            CMTPDataProvider& dp = iSingletons.DpController().DataProviderL( iOwnerDp );
+            dp.ExecuteProxyRequestL( iCurrentRequest, Connection(), *this );
+            }
+        }
+    else
+        {
+        SendResponseL( iResponse.Uint16( TMTPTypeResponse::EResponseCode ) );
+        }
+   
+    __FLOG( _L8("-RunL") );
+    }
+    
+/**
+Completes the current asynchronous request with the specified 
+completion code.
+@param aError The asynchronous request completion request.
+*/
+void CMTPDeleteObject::Schedule(TInt aError)
+    {
+    TRequestStatus* status = &iStatus;
+    User::RequestComplete(status, aError);
+    SetActive();
+    }
+
+/**
+Sends a response to the initiator.
+@param aCode MTP response code
+*/
+void CMTPDeleteObject::SendResponseL(TUint16 aCode)
+    {
+    const TMTPTypeRequest& req(Request());
+    iResponse.SetUint16(TMTPTypeResponse::EResponseCode, aCode);
+    iResponse.SetUint32(TMTPTypeResponse::EResponseSessionID, req.Uint32(TMTPTypeRequest::ERequestSessionID));
+    iResponse.SetUint32(TMTPTypeResponse::EResponseTransactionID, req.Uint32(TMTPTypeRequest::ERequestTransactionID));
+    iFramework.SendResponseL(iResponse, req, Connection());
+    }
+
+void CMTPDeleteObject::BrowseHandlesL()
+    {
+    __FLOG( _L8("+BrowseHandlesL") );
+    
+    delete iObjBrowser;
+    iObjBrowser = NULL;
+    iObjBrowser = CMTPObjectBrowser::NewL( iFramework );
+    
+    iHandles.Reset();
+    iCurrentHandle = 0;
+    iDeletedObjectsNumber = 0;
+    MMTPType::CopyL( Request(), iCurrentRequest );
+    
+    CMTPObjectBrowser::TBrowseCallback callback = { CMTPDeleteObject::OnBrowseObjectL, this };
+    TUint32 handle = Request().Uint32( TMTPTypeRequest::ERequestParameter1 );
+    TUint32 fmtCode = KMTPFormatsAll;
+    if ( KMTPHandleAll == handle )
+    	{
+    	fmtCode= Request().Uint32( TMTPTypeRequest::ERequestParameter2 );
+    	}
+    iObjBrowser->GoL( fmtCode, handle, KMaxTUint32, callback );
+    
+    if ( 0 == iHandles.Count() )
+        {
+        SendResponseL( EMTPRespCodeOK );        
+        }
+    else
+        {
+        Schedule( KErrNone );
+        }
+
+    __FLOG( _L8("-BrowseHandlesL") );
+    }
+
+void CMTPDeleteObject::NextObjectHandleL()
+    {
+    __FLOG( _L8("+NextObjectHandleL") );
+
+    iOwnerDp = KInvalidDpId;
+    if ( iCurrentHandle < iHandles.Count() )
+        {
+        TUint32 handle = iHandles[iCurrentHandle];
+        iOwnerDp = iSingletons.ObjectMgr().ObjectOwnerId( handle );
+        if ( iOwnerDp == KInvalidDpId )
+            {
+            SendResponseL(EMTPRespCodeInvalidObjectHandle);
+            }
+        else
+            {
+            iCurrentRequest.SetUint32( TMTPTypeRequest::ERequestParameter1, handle );
+            }
+        }
+    else
+        {
+        if (iDeletedObjectsNumber == iHandles.Count())
+            {
+            SendResponseL(EMTPRespCodeOK);
+            }
+        else if (iDeletedObjectsNumber == 0)
+            {
+            SendResponseL(EMTPRespCodeObjectWriteProtected);
+            }
+        else
+            {
+            SendResponseL(EMTPRespCodePartialDeletion);
+            }
+        }
+
+    __FLOG( _L8("-NextObjectHandleL") );
+    }
+
+void CMTPDeleteObject::OnBrowseObjectL( TAny* aSelf, TUint aHandle, TUint32 /*aCurDepth*/ )
+    {
+    CMTPDeleteObject* self = reinterpret_cast< CMTPDeleteObject* >( aSelf );
+    if ( self->iTargetDps.Find(self->iSingletons.ObjectMgr().ObjectOwnerId(aHandle)) != KErrNotFound )
+        {
+        self->iHandles.AppendL( aHandle );
+        }
+    }
+