author | hgs |
Mon, 04 Oct 2010 15:35:43 +0530 | |
changeset 49 | b91bcc4b38e4 |
parent 0 | b16258d2340f |
permissions | -rw-r--r-- |
0
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// Copyright (c) 2007-2009 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: |
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// |
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|
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#include <e32base.h> |
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#include <s32buf.h> |
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#include "urilistwritestream.h" |
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#include "ineturiimpl.h" |
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#include "ineturiproperties.h" |
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#include "urilist.h" |
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#include "ineturilistserver.h" |
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#include "uriqueryfilter.h" |
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/** |
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Stanadard factory construction method |
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*/ |
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CUriListStream* CUriListStream::NewL ( CUriQueryFilter* aQueryFilter ) |
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{ |
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CUriListStream* self = new (ELeave) CUriListStream; |
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CleanupStack::PushL ( self ); |
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self->ConstructL (aQueryFilter); |
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CleanupStack::Pop (); |
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return self; |
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} |
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|
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CUriListStream::CUriListStream () |
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{ |
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|
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} |
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CUriListStream::~CUriListStream () |
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{ |
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iWriteStream.Close (); |
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delete iInetUri; |
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// Delete the buffer |
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delete iIpcBuffer; |
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delete iQueryFilter; |
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} |
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void CUriListStream::ConstructL ( CUriQueryFilter* aQueryFilter ) |
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{ |
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iIpcBuffer = CBufFlat::NewL ( KIpcDataSize ); |
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iIpcBuffer->ExpandL ( 0, KIpcDataSize ); |
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iWriteStream.Open ( *iIpcBuffer ); // Open the stream |
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iInetUri = CInetUriImpl::NewL (); |
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iQueryFilter = aQueryFilter; |
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} |
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|
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/** |
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Writes the URI list to the IPC data stream. The results could contain multiple |
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data records. The stream position will be set to the beginning before the write |
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operation. It returns the total number of records returned via the data stream. |
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*/ |
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TInt CUriListStream::WriteUriListL ( TPtrC8& aData ) |
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{ |
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ResetL (); |
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|
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MDBTransaction& dbTrans = iQueryFilter->DBTransaction(); |
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TInt totalRecords = 0; |
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TBool dirty = iInetUri->IsDirty (); |
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|
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while ( !dirty || dbTrans.Next() ) |
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{ |
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if ( iQueryFilter->MatchRecordL () ) |
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{ |
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PopulateDataFieldsL (); |
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if ( PendingWriteStreamSizeL () >= iInetUri->Size() ) |
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{ |
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iInetUri->PackL ( iWriteStream ); |
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iInetUri->Clear (); |
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dirty = ETrue; |
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++totalRecords; // Increment the total no. of records |
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} |
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else |
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{ |
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break; |
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} |
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} |
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} |
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// Write to the buffer. |
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aData.Set ( iIpcBuffer->Ptr(0) ); |
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|
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// return with total no. of records |
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return totalRecords; |
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} |
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|
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/** |
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Resets the write stream position to the begining. |
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*/ |
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void CUriListStream::ResetL () |
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{ |
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MStreamBuf* srcStream = iWriteStream.Sink (); |
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srcStream->SeekL ( MStreamBuf::EWrite, EStreamBeginning, 0 ); |
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} |
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/** |
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Returns the number of bytes remaining in the stream for the write operation. |
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*/ |
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TInt CUriListStream::PendingWriteStreamSizeL () |
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{ |
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MStreamBuf* srcStream = iWriteStream.Sink (); |
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TStreamPos streamPos = srcStream->TellL ( MStreamBuf::EWrite ); |
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return KIpcDataSize - streamPos.Offset(); |
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} |
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/** |
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Reads the data from the storage and populates the CInetUriImpl object. Later this |
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data will be packed and send it via IPC data buffer |
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*/ |
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void CUriListStream::PopulateDataFieldsL () |
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{ |
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MDBTransaction& dbTrans = iQueryFilter->DBTransaction(); |
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iInetUri->SetUriId ( dbTrans.ColumnIntL ( URILIST::EId ) ); |
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CUri8* uri = CreateUriL (); |
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iInetUri->SetUri ( *uri ); |
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// Populate the properties |
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CInetUriProperties& properties = iInetUri->Properties (); |
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properties.SetPropId ( dbTrans.ColumnIntL ( URILIST::EPropId - 1 ) ); |
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properties.SetServiceType ( static_cast <InetUriList::TServiceType> ( dbTrans.ColumnIntL ( URILIST::EServiceType - 1 ) ) ); |
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properties.SetListType ( static_cast <InetUriList::TListType> ( dbTrans.ColumnIntL ( URILIST::EListType - 1 ) ) ); |
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properties.SetFavouriteNameL ( dbTrans.ColumnTextL ( URILIST::EFavouriteName - 1 ) ); |
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properties.SetPermission ( static_cast <InetUriList::TPermission> ( dbTrans.ColumnIntL ( URILIST::EPermission - 1 ) ) ); |
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} |
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/** |
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Creates a new URI object by setting the individual components. The individual componentes are |
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read from the storage. |
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*/ |
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CUri8* CUriListStream::CreateUriL () |
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{ |
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MDBTransaction& dbTrans = iQueryFilter->DBTransaction(); |
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CUri8* uri = CUri8::NewL (); |
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CleanupStack::PushL ( uri ); |
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SetUriComponentL ( *uri, dbTrans.ColumnTextL ( URILIST::EScheme ), EUriScheme ); |
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SetUriComponentL ( *uri, dbTrans.ColumnTextL ( URILIST::EHost ), EUriHost ); |
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SetUriComponentL ( *uri, dbTrans.ColumnTextL ( URILIST::EPort ), EUriPort ); |
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SetUriComponentL ( *uri, dbTrans.ColumnTextL ( URILIST::EUserInfo ), EUriUserinfo ); |
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SetUriComponentL ( *uri, dbTrans.ColumnTextL ( URILIST::EPath ), EUriPath ); |
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SetUriComponentL ( *uri, dbTrans.ColumnTextL ( URILIST::EQuery ), EUriQuery ); |
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SetUriComponentL ( *uri, dbTrans.ColumnTextL ( URILIST::EFragments ), EUriFragment ); |
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CleanupStack::Pop (); // uri |
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return uri; |
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} |
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/** |
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Sets the URI component. |
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*/ |
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void CUriListStream::SetUriComponentL ( CUri8& aUri, const TDesC8& aUriComponent, TUriComponent aComponent ) |
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{ |
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aUri.SetComponentL ( aUriComponent, aComponent ); |
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} |
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170 |