// 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 "cmtpobjectbrowser.h"
#include <mtp/mtpprotocolconstants.h>
#include <mtp/tmtptyperequest.h>
#include <mtp/cmtptypearray.h>
#include <mtp/mtpobjectmgrquerytypes.h>
#include <mtp/mmtpobjectmgr.h>
#include <mtp/cmtpobjectmetadata.h>
#include "cmtprequestchecker.h"
#include "mtpdppanic.h"
__FLOG_STMT(_LIT8(KComponent,"ObjectBrowser");)
CMTPObjectBrowser* CMTPObjectBrowser::NewL( MMTPDataProviderFramework& aDpFw )
{
CMTPObjectBrowser* self = new( ELeave ) CMTPObjectBrowser( aDpFw );
CleanupStack::PushL( self );
self->ConstructL();
CleanupStack::Pop( self );
return self;
}
TBool CMTPObjectBrowser::IsFolderFormat( TUint aFmtCode, TUint aFmtSubCode )
{
return ( ( EMTPFormatCodeAssociation == aFmtCode ) && ( EMTPAssociationTypeGenericFolder == aFmtSubCode ) );
}
CMTPObjectBrowser::~CMTPObjectBrowser()
{
delete iObjMetaCache;
__FLOG( _L8("+/-Dtor") );
__FLOG_CLOSE;
}
void CMTPObjectBrowser::GoL( TUint32 aFormatCode, TUint32 aHandle, TUint32 aDepth, const TBrowseCallback& aBrowseCallback ) const
{
__FLOG_VA( ( _L8("+GoL( 0x%08X, 0x%08X, %d )"), aFormatCode, aHandle, aDepth ) );
switch ( aHandle )
{
case KMTPHandleAll:
GetObjectHandlesL( 0, KMTPStorageAll, aFormatCode, KMaxTUint, KMTPHandleNoParent, aBrowseCallback );
break;
case KMTPHandleNone:
GetRootObjectHandlesL( 0, aFormatCode, aDepth, aBrowseCallback );
break;
default:
GetObjectHandlesTreeL( 0, aFormatCode, aDepth, aHandle, aBrowseCallback );
break;
}
__FLOG( _L8("-GoL") );
}
CMTPObjectBrowser::CMTPObjectBrowser( MMTPDataProviderFramework& aDpFw ):
iDpFw( aDpFw )
{
__FLOG_OPEN( KMTPSubsystem, KComponent );
__FLOG( _L8("+/-Ctor") );
}
void CMTPObjectBrowser::ConstructL()
{
__FLOG( _L8("+ConstructL") );
iObjMetaCache = CMTPObjectMetaData::NewL();
__FLOG( _L8("-ConstructL") );
}
void CMTPObjectBrowser::GetObjectHandlesL( TUint32 aCurDepth, TUint32 aStorageId, TUint32 aFormatCode, TUint32 aDepth, TUint32 aParentHandle, const TBrowseCallback& aBrowseCallback ) const
{
__FLOG_VA( ( _L8("+GetObjectHandlesL( %d, 0x%08X, 0x%08X, %d, 0x%08X )"), aCurDepth, aStorageId, aFormatCode, aDepth, aParentHandle ) );
RMTPObjectMgrQueryContext context;
RArray< TUint > handles;
TMTPObjectMgrQueryParams params( aStorageId, aFormatCode, aParentHandle );
CleanupClosePushL( context );
CleanupClosePushL( handles );
do
{
iDpFw.ObjectMgr().GetObjectHandlesL( params, context, handles );
TUint handleCount = handles.Count();
if ( aDepth > 0 )
{
for ( TUint i = 0; i < handleCount; i++ )
{
GetObjectHandlesTreeL( aCurDepth, aFormatCode, aDepth, handles[i], aBrowseCallback );
}
}
else
{
for ( TUint i = 0; i < handleCount; i++ )
{
aBrowseCallback.iCallback( aBrowseCallback.iContext, handles[i], aCurDepth );
}
}
}
while ( !context.QueryComplete() );
CleanupStack::PopAndDestroy( &handles );
CleanupStack::PopAndDestroy( &context );
__FLOG( _L8("-GetObjectHandlesL") );
}
void CMTPObjectBrowser::GetFolderObjectHandlesL( TUint32 aCurDepth, TUint32 aFormatCode, TUint32 aDepth, TUint32 aParentHandle, const TBrowseCallback& aBrowseCallback ) const
{
__FLOG_VA( ( _L8("+GetFolderObjectHandlesL( %d, 0x%08X, %d, 0x%08X )"), aCurDepth, aFormatCode, aDepth, aParentHandle ) );
if ( 0 == aDepth )
{
aBrowseCallback.iCallback( aBrowseCallback.iContext, aParentHandle, aCurDepth );
}
else
{
GetObjectHandlesL( aCurDepth + 1, KMTPStorageAll, aFormatCode, aDepth - 1, aParentHandle, aBrowseCallback );
aBrowseCallback.iCallback( aBrowseCallback.iContext, aParentHandle, aCurDepth );
}
__FLOG( _L8("-GetFolderObjectHandlesL") );
}
void CMTPObjectBrowser::GetRootObjectHandlesL( TUint32 aCurDepth, TUint32 aFormatCode, TUint32 aDepth, const TBrowseCallback& aBrowseCallback ) const
{
__FLOG_VA( ( _L8("+GetRootObjectHandlesL( %d, 0x%08X, %d )"), aCurDepth, aFormatCode, aDepth ) );
switch ( aDepth )
{
case KMaxTUint:
GetObjectHandlesL( aCurDepth, KMTPStorageAll, aFormatCode, aDepth, KMTPHandleNoParent, aBrowseCallback );
break;
case 0:
// do nothing
break;
default:
GetObjectHandlesL( aCurDepth, KMTPStorageAll, aFormatCode, aDepth, KMTPHandleNoParent, aBrowseCallback );
break;
}
__FLOG( _L8("-GetRootObjectHandlesL") );
}
void CMTPObjectBrowser::GetObjectHandlesTreeL( TUint32 aCurDepth, TUint32 aFormatCode, TUint32 aDepth, TUint32 aParentHandle, const TBrowseCallback& aBrowseCallback ) const
{
__FLOG_VA( ( _L8("+GetObjectHandlesTreeL( %d, 0x%08X, %d, 0x%08X )"), aCurDepth, aFormatCode, aDepth, aParentHandle ) );
iDpFw.ObjectMgr().ObjectL( aParentHandle, *iObjMetaCache );
#ifdef __FLOG_ACTIVE
RBuf suid;
suid.Create( iObjMetaCache->DesC( CMTPObjectMetaData::ESuid ) );
#endif
if ( IsFolderFormat( iObjMetaCache->Uint( CMTPObjectMetaData::EFormatCode ), iObjMetaCache->Uint( CMTPObjectMetaData::EFormatSubCode ) ) )
{
GetFolderObjectHandlesL( aCurDepth, aFormatCode, aDepth, aParentHandle, aBrowseCallback );
}
else
{
aBrowseCallback.iCallback( aBrowseCallback.iContext, aParentHandle, aCurDepth );
}
#ifdef __FLOG_ACTIVE
__FLOG_1( _L8("recursion_depth: %d"), aCurDepth );
__FLOG_1( _L("recursion_suid: %S"), &suid );
suid.Close();
#endif
__FLOG( _L8("-GetObjectHandlesTreeL") );
}