imagehandlingutilities/thumbnailmanager/thumbagdaemon/src/thumbagimageobserver.cpp
/*
* Copyright (c) 2006-2007 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: Thumbnail Auto Generate Daemon
*
*/
#include <e32svr.h>
#include <centralrepository.h>
#include <mdesession.h>
#include <mdeconstants.h>
#include <mdequery.h>
#include <mdeobject.h>
#include "thumbagimageobserver.h"
#include "thumbnaillog.h"
#include "thumbnailmanagerconstants.h"
#include "thumbnailmanagerprivatecrkeys.h"
// ---------------------------------------------------------------------------
// NewLC
// ---------------------------------------------------------------------------
//
CThumbAGImageObserver* CThumbAGImageObserver::NewLC(CThumbAGProcessor* aProcessor)
{
TN_DEBUG1( "CThumbAGImageObserver::NewLC() - begin" );
CThumbAGImageObserver* self = new (ELeave) CThumbAGImageObserver(aProcessor);
CleanupStack::PushL( self );
self->ConstructL();
return self;
}
// ---------------------------------------------------------------------------
// NewL
// ---------------------------------------------------------------------------
//
CThumbAGImageObserver* CThumbAGImageObserver::NewL(CThumbAGProcessor* aProcessor)
{
TN_DEBUG1( "CThumbAGImageObserver::NewL() - begin" );
CThumbAGImageObserver* self = CThumbAGImageObserver::NewLC(aProcessor);
CleanupStack::Pop( self );
return self;
}
// ---------------------------------------------------------------------------
// CThumbAGImageObserver
// ---------------------------------------------------------------------------
//
CThumbAGImageObserver::CThumbAGImageObserver(CThumbAGProcessor* aProcessor)
: iShutdownObserver(NULL), iMdESession(NULL), iProcessor(aProcessor)
{
// No implementation required
}
// ---------------------------------------------------------------------------
// ConstructL
// ---------------------------------------------------------------------------
//
void CThumbAGImageObserver::ConstructL()
{
TN_DEBUG1( "CThumbAGImageObserver::ConstructL() - begin" );
#ifdef _DEBUG
iAddCounter = 0;
iModCounter = 0;
#endif
InitializeL();
TN_DEBUG1( "CThumbAGImageObserver::ConstructL() - end" );
}
// ---------------------------------------------------------------------------
// ~CThumbAGImageObserver
// ---------------------------------------------------------------------------
//
void CThumbAGImageObserver::InitializeL()
{
TN_DEBUG1( "CThumbAGImageObserver::InitializeL() - begin" );
TN_DEBUG1( "CThumbAGImageObserver::InitializeL() - create observers" );
// create shutdown observer
if(iMDSShutdownObserver)
{
delete iMDSShutdownObserver;
iMDSShutdownObserver = NULL;
}
iMDSShutdownObserver = CTMShutdownObserver::NewL( *this, KMdSPSShutdown, KMdSShutdown, EFalse );
if(iShutdownObserver)
{
delete iShutdownObserver;
iShutdownObserver = NULL;
}
iShutdownObserver = CTMShutdownObserver::NewL( *this, KTAGDPSNotification, KShutdown, ETrue );
iShutdown = EFalse;
// MDS session reconnect timer
if (!iReconnect)
{
iReconnect = CPeriodic::NewL(CActive::EPriorityIdle);
}
TN_DEBUG1( "CThumbAGImageObserver::InitializeL() - connect to MDS" );
if(iMdESession)
{
TRAP_IGNORE( iMdESession->RemoveObjectObserverL( *this ) );
TRAP_IGNORE( iMdESession->RemoveObjectObserverL( *this ) );
// connect to MDS
delete iMdESession;
iMdESession = NULL;
}
iMdESession = CMdESession::NewL( *this );
iSessionError = EFalse;
TN_DEBUG1( "CThumbAGImageObserver::InitializeL() - end" );
}
// ---------------------------------------------------------------------------
// ~CThumbAGImageObserver
// ---------------------------------------------------------------------------
//
CThumbAGImageObserver::~CThumbAGImageObserver()
{
TN_DEBUG1( "CThumbAGImageObserver::~CThumbAGImageObserver() - begin" );
iShutdown = ETrue;
delete iMDSShutdownObserver;
iMDSShutdownObserver = NULL;
delete iShutdownObserver;
iShutdownObserver = NULL;
if(iReconnect)
{
iReconnect->Cancel();
delete iReconnect;
iReconnect = NULL;
}
if (iMdESession)
{
// 2 observers
TRAP_IGNORE( iMdESession->RemoveObjectObserverL( *this ) );
TRAP_IGNORE( iMdESession->RemoveObjectObserverL( *this ) );
delete iMdESession;
iMdESession = NULL;
}
TN_DEBUG1( "CThumbAGImageObserver::~CThumbAGImageObserver() - end" );
}
// -----------------------------------------------------------------------------
// CThumbAGImageObserver::HandleSessionOpened
// -----------------------------------------------------------------------------
//
void CThumbAGImageObserver::HandleSessionOpened( CMdESession& /* aSession */, TInt aError )
{
TN_DEBUG1( "CThumbAGImageObserver::HandleSessionOpened");
if (aError == KErrNone)
{
TRAPD( err, AddObserversL() );
if (err != KErrNone)
{
TN_DEBUG2( "CThumbAGImageObserver::HandleSessionOpened, AddObserversL error == %d", err );
}
}
else
{
TN_DEBUG2( "CThumbAGImageObserver::HandleSessionOpened error == %d", aError );
}
}
// -----------------------------------------------------------------------------
// CThumbAGImageObserver::HandleSessionError
// -----------------------------------------------------------------------------
//
void CThumbAGImageObserver::HandleSessionError( CMdESession& /*aSession*/, TInt aError )
{
TN_DEBUG2( "CThumbAGImageObserver::HandleSessionError == %d", aError );
if (aError != KErrNone && !iSessionError)
{
iSessionError = ETrue;
if (!iShutdown)
{
if (!iReconnect->IsActive())
{
iReconnect->Start( KMdEReconnect, KMdEReconnect,
TCallBack(ReconnectCallBack, this));
TN_DEBUG1( "CThumbAGImageObserver::HandleSessionError() - reconnect timer started" );
}
}
}
}
// -----------------------------------------------------------------------------
// CThumbAGImageObserver::HandleObjectNotification
// -----------------------------------------------------------------------------
//
void CThumbAGImageObserver::HandleObjectNotification( CMdESession& /*aSession*/,
TObserverNotificationType aType,
const RArray<TItemId>& aObjectIdArray )
{
TN_DEBUG1( "CThumbAGImageObserver::HandleObjectNotification() - begin" );
// no processor or shutting down
if (iShutdown || !iProcessor)
{
return;
}
#ifdef _DEBUG
if (aType == ENotifyAdd)
{
TN_DEBUG2( "CThumbAGImageObserver::HandleObjectNotification() - ENotifyAdd %d", aObjectIdArray.Count() );
iAddCounter = aObjectIdArray.Count();
}
else if (aType == ENotifyModify)
{
TN_DEBUG2( "CThumbAGImageObserver::HandleObjectNotification() - ENotifyModify %d", aObjectIdArray.Count() );
iModCounter = aObjectIdArray.Count();
}
#endif
if ( (aType == ENotifyAdd || aType == ENotifyModify) && aObjectIdArray.Count() > 0 )
{
TN_DEBUG1( "CThumbAGImageObserver::HandleObjectNotification() - AddToQueueL" );
// Add event to processing queue by type and enable force run
RPointerArray<HBufC> dummyArray;
TRAPD(err, iProcessor->AddToQueueL(aType, EGenerationItemTypeImage, aObjectIdArray, dummyArray, EFalse));
if (err != KErrNone)
{
TN_DEBUG1( "CThumbAGImageObserver::HandleObjectNotification() - error adding to queue" );
}
}
else
{
TN_DEBUG1( "CThumbAGImageObserver::HandleObjectNotification() - bad notification" );
}
#ifdef _DEBUG
TN_DEBUG3( "CThumbAGImageObserver::IN-COUNTERS---------- Add = %d Modify = %d", iAddCounter, iModCounter );
iModCounter = 0;
iAddCounter = 0;
#endif
TN_DEBUG1( "CThumbAGImageObserver::HandleObjectNotification() - end" );
}
// ---------------------------------------------------------------------------
// CThumbAGImageObserver::AddObserversL
// ---------------------------------------------------------------------------
//
void CThumbAGImageObserver::AddObserversL()
{
TN_DEBUG1( "CThumbAGImageObserver::AddObserversL() - begin" );
CMdENamespaceDef& defaultNamespace = iMdESession->GetDefaultNamespaceDefL();
CMdEObjectDef& objectDef = defaultNamespace.GetObjectDefL( MdeConstants::Object::KBaseObject );
CMdEPropertyDef& originPropDef = objectDef.GetPropertyDefL( MdeConstants::Object::KOriginProperty );
CMdEObjectDef& imageDef = defaultNamespace.GetObjectDefL( MdeConstants::Image::KImageObject );
// set observing conditions
CMdELogicCondition* addCondition = CMdELogicCondition::NewLC( ELogicConditionOperatorAnd );
CMdEObjectCondition& addObjectCondition = addCondition->AddObjectConditionL( imageDef );
CleanupStack::PushL( &addObjectCondition );
CMdEPropertyCondition& addPropertyCondition = addCondition->AddPropertyConditionL( originPropDef, TMdEUintNotEqual(MdeConstants::Object::ECamera));
CleanupStack::PushL( &addPropertyCondition );
CMdELogicCondition* modifyCondition = CMdELogicCondition::NewLC( ELogicConditionOperatorAnd );
CMdEObjectCondition& modifyObjectCondition = modifyCondition->AddObjectConditionL( imageDef );
CleanupStack::PushL( &modifyObjectCondition );
CMdEPropertyCondition& modifyPropertyCondition = modifyCondition->AddPropertyConditionL( originPropDef, TMdEUintNotEqual(MdeConstants::Object::ECamera));
CleanupStack::PushL( &modifyPropertyCondition );
// add observers
iMdESession->AddObjectObserverL( *this, addCondition, ENotifyAdd );
// modify observer
iMdESession->AddObjectObserverL( *this, modifyCondition, ENotifyModify );
CleanupStack::Pop( 6, addCondition );
TN_DEBUG1( "CThumbAGImageObserver::AddObserversL() - end" );
}
// -----------------------------------------------------------------------------
// CThumbAGCameraObserver::ShutdownNotification
// -----------------------------------------------------------------------------
//
void CThumbAGImageObserver::ShutdownNotification()
{
TN_DEBUG1( "CThumbAGImageObserver::ShutdownNotification()" );
if (!iShutdown)
{
TN_DEBUG1( "CThumbAGImageObserver::ShutdownNotification() shutdown" );
iShutdown = ETrue;
}
}
// ---------------------------------------------------------------------------
// CThumbAGImageObserver::ReconnectCallBack()
// ---------------------------------------------------------------------------
//
TInt CThumbAGImageObserver::ReconnectCallBack(TAny* aAny)
{
TN_DEBUG1( "CThumbAGImageObserver::ReconnectCallBack() - reinitialize");
CThumbAGImageObserver* self = static_cast<CThumbAGImageObserver*>( aAny );
self->iReconnect->Cancel();
// reconnect to MDS
TRAP_IGNORE( self->InitializeL() );
TN_DEBUG1( "CThumbAGImageObserver::ReconnectCallBack() - done");
return KErrNone;
}
// End of file