--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/controlpanelui/src/tonefetcher/tonefetcherengine/private/symbian/toneselectionengine_p.cpp	Fri May 14 13:21:08 2010 +0800
@@ -0,0 +1,272 @@
+/*
+ * Copyright (c) 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:
+ *     The source file for mde tone fetcher.
+ *     
+ */
+#include "toneselectionengine_p.h"
+#include <XQConversions>
+#include <pathinfo.h>
+#include <bautils.h>
+#include "tonepreviewprivate.h"
+#include "tonefetcherengine.h"
+#include <centralrepository.h>
+#include <ProfileEngineDomainCRKeys.h>
+
+ToneSelectionEnginePrivate::ToneSelectionEnginePrivate( ToneFetcherEngine *engine ) : mServiceEngine( engine )
+
+    {
+    iSession = CMdESession::NewL( *this );
+    
+    }
+
+ToneSelectionEnginePrivate::~ToneSelectionEnginePrivate()
+    {
+    delete iQuery;
+    delete iSession;
+    }
+
+void ToneSelectionEnginePrivate::HandleSessionOpened( CMdESession& /*aSession*/, TInt aError )
+    {
+    if ( aError != KErrNone )
+        {
+        delete iSession;
+        iSession = 0;
+        iSessionOpen = EFalse;
+        emit mdeSessionError( aError );
+        }
+    else
+        {
+        iSessionOpen = ETrue;
+        TRAP_IGNORE( AddObjectObserverL() );
+        emit mdeSessionOpened();
+        }
+    }
+
+
+
+void ToneSelectionEnginePrivate::HandleSessionError( CMdESession& /*aSession*/, TInt aError )
+    {
+    if ( aError == KErrNone )
+        {
+        return;
+        }
+        
+    delete iSession;
+    iSession = 0;
+    iSessionOpen = EFalse;
+    emit mdeSessionError( aError );            
+    }
+
+
+void ToneSelectionEnginePrivate::HandleQueryNewResults( CMdEQuery& /*aQuery*/, 
+                                               TInt /*aFirstNewItemIndex*/,
+                                               TInt /*aNewItemCount*/ )
+    {
+    }
+
+void ToneSelectionEnginePrivate::HandleObjectNotification( CMdESession& /*aSession*/, 
+                                        TObserverNotificationType aType,
+                                        const RArray<TItemId>& /*aObjectIdArray*/ )
+    {    
+    if ( aType == ENotifyAdd || aType == ENotifyModify || aType == ENotifyRemove )
+        {
+        emit notifyObjectChanged();
+        }
+    }
+
+void ToneSelectionEnginePrivate::AddObjectObserverL()
+    {
+    if ( iSessionOpen )
+        {
+        TUint32 notificationType = ENotifyAdd | ENotifyModify | ENotifyRemove;
+        CMdENamespaceDef& defNS = iSession->GetDefaultNamespaceDefL();
+        iSession->AddObjectObserverL( *this, 0, notificationType, &defNS );
+        
+        iSession->AddObjectPresentObserverL( *this );
+        }
+    }
+
+void ToneSelectionEnginePrivate::HandleObjectPresentNotification( CMdESession& /*aSession*/, 
+                         TBool /*aPresent*/, const RArray<TItemId>& aObjectIdArray )
+    {
+    if( aObjectIdArray.Count() > 0 )
+        {
+        emit notifyObjectChanged();
+        }    
+    }
+
+void ToneSelectionEnginePrivate::HandleQueryCompleted( CMdEQuery& aQuery, TInt aError )
+    {
+    iNameList.clear();
+    iUriList.clear();
+    if ( aError == KErrCancel )
+        {      
+        emit queryError( aError );
+        return;
+        }
+    else
+        {
+        CMdEObjectQuery* query = static_cast<CMdEObjectQuery*> (&aQuery);
+        TInt count = query->Count();
+        for (TInt i = 0; i < count; ++i)
+            {
+            CMdEObject* object =
+                    (CMdEObject*) query->TakeOwnershipOfResult(i);
+            CleanupStack::PushL(object);
+            CMdEPropertyDef& propDef = 
+                        ToneSelectionEnginePrivate::PropertyDefL( iSession, ToneSelectionEnginePrivate::EAttrSongName  );
+                
+            CMdEProperty* property = 0;
+            TInt err = object->Property( propDef, property, 0 );
+            if ( err != KErrNotFound && property )
+                {
+                QString songName( XQConversions::s60DescToQString( property->TextValueL() ) );
+                QString uriValue( XQConversions::s60DescToQString( object->Uri() ) );
+                iNameList.append( songName );
+                iUriList.append( uriValue );
+                }
+            CleanupStack::PopAndDestroy(object);
+            }
+        emit queryComplete(iNameList, iUriList );        
+        }
+    }
+
+void ToneSelectionEnginePrivate::QueryTones()
+    {
+    LeaveIfSessionClosedL();
+        
+    CMdENamespaceDef& defNS = iSession->GetDefaultNamespaceDefL();
+    CMdEObjectDef& musicObjectDef =
+    defNS.GetObjectDefL( MdeConstants::Audio::KAudioObject );
+  
+    delete iQuery;
+    iQuery = 0;
+    iQuery = iSession->NewObjectQueryL( defNS, musicObjectDef, this );    
+    
+    
+    // set attributes that are included in query result  
+    CMdEPropertyDef& namePropertyDef = PropertyDefL( EAttrSongName );
+    iQuery->AddPropertyFilterL( &namePropertyDef );
+    
+    iQuery->SetResultMode( EQueryResultModeItem );
+    
+    CMdELogicCondition& conditions = iQuery->Conditions();
+    ExcludeMusicPropertiesL( conditions );
+
+    iQuery->FindL();
+    }
+
+void ToneSelectionEnginePrivate::LeaveIfSessionClosedL()
+    {
+    if ( !iSession || !iSessionOpen )
+        {
+        User::Leave( KErrDisconnected );
+        }
+    }
+
+CMdEPropertyDef& ToneSelectionEnginePrivate::PropertyDefL( TInt aAttr )
+    {
+    return PropertyDefL( iSession, aAttr );
+    }
+
+CMdEPropertyDef& ToneSelectionEnginePrivate::PropertyDefL( CMdESession* aSession, TInt aAttr )
+    {
+    CMdENamespaceDef& defNS = aSession->GetDefaultNamespaceDefL();
+    
+    CMdEObjectDef& objectDef =
+    defNS.GetObjectDefL( MdeConstants::Audio::KAudioObject );
+   
+    if ( aAttr == EAttrFileSize )
+        {
+        return objectDef.GetPropertyDefL( MdeConstants::Object::KSizeProperty );
+        }
+    else if ( aAttr == EAttrMediaType )
+        {
+        return objectDef.GetPropertyDefL( MdeConstants::Object::KItemTypeProperty );
+        }
+    else if ( aAttr == EAttrSongName || aAttr == EAttrFileName )
+        {
+        return objectDef.GetPropertyDefL( MdeConstants::Object::KTitleProperty );
+        }
+    else if ( aAttr == EAttrArtist )
+        {
+        return objectDef.GetPropertyDefL( MdeConstants::MediaObject::KArtistProperty );
+        }
+    else if ( aAttr == EAttrAlbum )
+        {
+        return objectDef.GetPropertyDefL( MdeConstants::Audio::KAlbumProperty );
+        }
+    else if ( aAttr == EAttrGenre )
+        {
+        return objectDef.GetPropertyDefL( MdeConstants::MediaObject::KGenreProperty );
+        }
+    else if ( aAttr == EAttrComposer )
+        {
+        return objectDef.GetPropertyDefL( MdeConstants::Audio::KComposerProperty );
+        }
+    else
+        {
+        User::Leave( KErrNotSupported );
+        }
+    
+    return objectDef.GetPropertyDefL( MdeConstants::Object::KTitleProperty );
+    }
+
+void ToneSelectionEnginePrivate::ExcludeMusicPropertiesL( CMdELogicCondition& aCondition )
+    {
+    TInt sizeLimitKB = 0;
+    CRepository* cenrep = CRepository::NewL( KCRUidProfileEngine );
+    CleanupStack::PushL( cenrep );
+    User::LeaveIfError( cenrep->Get( KProEngRingingToneMaxSize, sizeLimitKB ) );
+    CleanupStack::PopAndDestroy(); // cenrep
+
+    SetAttr( ToneFetcherEngine::EAttrFileSize, sizeLimitKB );
+    CMdEPropertyDef& sizeTypeDef = PropertyDefL( EAttrFileSize );
+    CMdEPropertyDef& mimeTypeDef = PropertyDefL( EAttrMediaType );
+    CMdEPropertyDef& artistTypeDef = PropertyDefL( EAttrArtist );
+    CMdEPropertyDef& albumTypeDef = PropertyDefL( EAttrAlbum );
+    CMdEPropertyDef& genreTypeDef = PropertyDefL( EAttrGenre );
+    CMdEPropertyDef& composerTypeDef = PropertyDefL( EAttrComposer );
+    
+    CMdELogicCondition& condition = 
+                        aCondition.AddLogicConditionL( ELogicConditionOperatorAnd );
+    condition.AddPropertyConditionL( sizeTypeDef, TMdEIntRange(0, iMaxFileSize, EMdERangeTypeBetween) );
+    condition.AddPropertyConditionL( mimeTypeDef, 
+            ETextPropertyConditionCompareContains, KMimeMp3 );
+    condition.AddPropertyConditionL( artistTypeDef );
+    condition.AddPropertyConditionL( albumTypeDef );
+    condition.AddPropertyConditionL( genreTypeDef );
+    condition.AddPropertyConditionL( composerTypeDef );
+    
+    condition.SetNegate( ETrue );
+    }
+
+void ToneSelectionEnginePrivate::SetAttr( int attr, int value )
+{
+    switch ( attr )
+        {
+        case ToneFetcherEngine::EAttrFileSize:
+            {
+            iMaxFileSize = value;
+            break;
+            }            
+        default:
+            {
+            break;
+            }
+        }
+}
+// End of File
+