cbs/CbsServer/ServerSrc/CCbsDbImpTopicCollection.cpp
changeset 46 2fa1fa551b0b
parent 42 35488577e233
child 48 78df25012fda
--- a/cbs/CbsServer/ServerSrc/CCbsDbImpTopicCollection.cpp	Mon Aug 23 15:50:31 2010 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,295 +0,0 @@
-/*
-* Copyright (c) 2003 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:  This module contains the implementation of CCbsDbImpTopicCollection class 
-*                member functions.
-*    
-*                Topic collection stored in the database is represented by this class.
-*
-*/
-
-
-
-// INCLUDE FILES
-
-#include <e32svr.h>
-#include "CbsCommon.h"
-#include "CbsServerPanic.h"
-#include "CCbsDbImpTopicCollection.h"
-#include "CCbsDbImp.H"
-#include "CbsDbConstants.h"
-#include "CbsLogger.h"
-
-// CONSTANTS
-
-// These values specify a range of accepted topic number values (inclusive).
-const TInt KMinTopicNumber = 1;     // 000 is not accepted.
-const TInt KMaxTopicNumber = 999;
-// Granularity for the iIdentities array
-const TInt KIdentitiesGranularity = 10;
-
-
-// ==================== LOCAL FUNCTIONS ====================
-
-// -----------------------------------------------------------------------------
-// Print
-// Prints out debug info about topics
-// Returns: None
-// -----------------------------------------------------------------------------
-//
-#ifdef _DEBUG
-void Print( const TDesC& aText, const TInt& aValue )
-    {
-    TBuf<100> stuff;
-    TBuf<10> value;
-    value.Num( aValue );
-    stuff = aText;
-    stuff.Append(value);
-    RDebug::Print(stuff);
-    }
-
-// -----------------------------------------------------------------------------
-// PrintTopicCollectionContentL
-// Prints the contentent of the Topic Collection
-// Returns: None
-// -----------------------------------------------------------------------------
-//
-void PrintTopicCollectionContentL( const CFileStore* aStore ) 
-    {
-    RDebug::Print(_L("Current topic collection content: "));
-    TStreamId rootStreamId = aStore->Root();
-    if ( rootStreamId == 0 ) 
-        {
-        RDebug::Print(_L("Store contains no root stream."));
-        return;
-        }
-    RStoreReadStream rootStream;
-    rootStream.OpenLC( *aStore, rootStreamId ); // on CS
-    TInt identityCount( rootStream.ReadUint16L() );
-
-    for ( TInt index( 0 ); index < identityCount; index++ )
-        {
-        TCbsDbTopicIdentity id;
-        id.iName.Zero();
-        TInt length( rootStream.ReadInt16L() );
-        for ( TInt index2( 0 ); index2 < length; index2++ )
-            {
-            TInt character( rootStream.ReadInt16L() );
-            id.iName.Append( TChar(character) );
-            }
-        id.iName.SetLength( length );
-    
-        id.iNumber = rootStream.ReadUint16L();
-
-        TBuf<255> buf = _L("Identity name: ");
-        buf.Append( id.iName );
-        buf.Append( _L(", number: ") );
-        buf.AppendNum( static_cast<TInt>(id.iNumber) );
-        RDebug::Print( buf );
-        }
-   
-    CleanupStack::PopAndDestroy();    // root stream
-    }
-#endif // _DEBUG
-    
-
-// ================= MEMBER FUNCTIONS =======================
-
-// -----------------------------------------------------------------------------
-// CCbsDbImpTopicCollection::CCbsDbImpTopicCollection
-// C++ default constructor can NOT contain any code, that
-// might leave.
-// -----------------------------------------------------------------------------
-//
-CCbsDbImpTopicCollection::CCbsDbImpTopicCollection()
-    { 
-    }
-
-// -----------------------------------------------------------------------------
-// CCbsDbImpTopicCollection::ConstructL
-// Symbian 2nd phase constructor can leave.
-// -----------------------------------------------------------------------------
-//
-void CCbsDbImpTopicCollection::ConstructL( )
-    {
-    // Create an array for observers.
-    iObservers = new ( ELeave ) CArrayFixFlat<MCbsDbTopicCollectionObserver*>
-        ( KCbsDbObserverArraySize );
-
-    iIdentities = new ( ELeave ) CArrayFixFlat<TCbsDbTopicIdentity>
-        ( KIdentitiesGranularity );
-    }
-
-// -----------------------------------------------------------------------------
-// CCbsDbImpTopicCollection::NewL
-// Two-phased constructor.
-// -----------------------------------------------------------------------------
-//
-CCbsDbImpTopicCollection* CCbsDbImpTopicCollection::NewL()
-    {
-    // Normal two phase construction
-    CCbsDbImpTopicCollection* self = 
-            new ( ELeave ) CCbsDbImpTopicCollection();
-    CleanupStack::PushL( self );
-    self->ConstructL();
-    CleanupStack::Pop();
-    return self;
-    }
-
-// Destructor
-CCbsDbImpTopicCollection::~CCbsDbImpTopicCollection()
-    {
-    CBSLOGSTRING("CBSSERVER: >>> CCbsDbImpTopicCollection::~CCbsDbImpTopicCollection()");
-    // Deallocate the observer array
-    delete iObservers;
-    delete iIdentities;
-    CBSLOGSTRING("CBSSERVER: <<< CCbsDbImpTopicCollection::~CCbsDbImpTopicCollection()");
-    }
-
-// -----------------------------------------------------------------------------
-// CCbsDbImpTopicCollection::GetTopicIdentityCount
-// Returns the number of topic identities stored in the database.
-// (other items were commented in a header).
-// -----------------------------------------------------------------------------
-//
-void CCbsDbImpTopicCollection::GetTopicIdentityCount( 
-    TInt& aCount ) const
-    {
-    aCount = iIdentities->Count();
-    }
-
-// -----------------------------------------------------------------------------
-// CCbsDbImpTopicCollection::GetTopicIdentityL
-// Returns a topic identity matching the given topic index parameter.
-// (other items were commented in a header).
-// -----------------------------------------------------------------------------
-//
-void CCbsDbImpTopicCollection::GetTopicIdentityL( 
-    TInt& aIndex, 
-    TCbsDbTopicIdentity& aIdentity ) const
-    {
-    if ( aIndex >= iIdentities->Count() || aIndex < 0 )
-        {
-        User::Leave( KErrNotFound );
-        }
-    
-    aIdentity = iIdentities->At( aIndex );
-    }
-
-// -----------------------------------------------------------------------------
-// CCbsDbImpTopicCollection::AddObserverL
-// Adds an observer. The observer will be informed of changes 
-// in the topic collection.
-// (other items were commented in a header).
-// -----------------------------------------------------------------------------
-//
-void CCbsDbImpTopicCollection::AddObserverL( 
-    MCbsDbTopicCollectionObserver* aObserver )
-    {
-    __ASSERT_DEBUG( aObserver!=0, CbsServerPanic(ECbsObserverNull) );
-    iObservers->AppendL( aObserver );
-    }
-
-// -----------------------------------------------------------------------------
-// CCbsDbImpTopicCollection::RemoveObserverL
-// Removes an observer.
-// (other items were commented in a header).
-// -----------------------------------------------------------------------------
-//
-void CCbsDbImpTopicCollection::RemoveObserver( 
-    const MCbsDbTopicCollectionObserver* aObserver )
-    {
-    __ASSERT_DEBUG( aObserver != 0, CbsServerPanic( ECbsObserverNull ) );
-    TInt amountOfObservers( iObservers->Count() );
-    for ( TInt index( 0 ); index < amountOfObservers; index++ )
-        {
-        if ( aObserver == iObservers->At( index ) )
-            {
-            iObservers->Delete( index );
-            return;
-            }
-        }
-#ifdef _DEBUG
-    CbsServerPanic( ECbsObserverNotFound );
-#endif
-    }
-
-// -----------------------------------------------------------------------------
-// CCbsDbImpTopicCollection::ClearL
-// Clears the topic collection.
-// (other items were commented in a header).
-// -----------------------------------------------------------------------------
-//
-void CCbsDbImpTopicCollection::Clear()
-    {
-    iIdentities->Reset();
-    }
-
-// -----------------------------------------------------------------------------
-// CCbsDbImpTopicCollection::Apply
-// Writes topic identity cache (array iIdentities) into a store.
-// (other items were commented in a header).
-// -----------------------------------------------------------------------------
-//
-void CCbsDbImpTopicCollection::Apply() 
-    {
-    NotifyObservers();
-    }
-
-// -----------------------------------------------------------------------------
-// CCbsDbImpTopicCollection::AddTopicIdentityL
-// Adds a topic identity to the topic collection. This method 
-// is called by the index message handling routine after resolving a single 
-// topic number and name out of an index message.
-// Topic identities are maintained in ascending topic number order.
-// (other items were commented in a header).
-// -----------------------------------------------------------------------------
-//
-void CCbsDbImpTopicCollection::AddTopicIdentityL( 
-    const TCbsDbTopicIdentity& aIdentity )
-    {
-    if ( aIdentity.iNumber < KMinTopicNumber || 
-         aIdentity.iNumber > KMaxTopicNumber )
-        {
-        User::Leave( KErrArgument );
-        }
-
-	// Insert using binary search. KErrAlreadyExists is returned, but
-	// all other error codes are passed to Leave.
-	TKeyArrayFix key( _FOFF( TCbsDbTopicIdentity, iNumber ), ECmpTUint16 );
-	TRAPD( errorCode, iIdentities->InsertIsqL( aIdentity, key ) );
-	if ( errorCode != KErrAlreadyExists )
-		{
-		User::LeaveIfError( errorCode );
-		}
-    }    
-
-// -----------------------------------------------------------------------------
-// CCbsDbImpTopicCollection::NotifyObservers
-// Notifies all registred observers about a topic collection contents change.
-// (other items were commented in a header).
-// -----------------------------------------------------------------------------
-//
-void CCbsDbImpTopicCollection::NotifyObservers()
-    {
-    // Notify each observer.
-    TInt count( iObservers->Count() );
-    for ( TInt index( 0 ); index < count; index++ )
-        {
-        iObservers->At( index )->TopicCollectionContentsChangedInd();
-        }
-    }
-
-// ========================== OTHER EXPORTED FUNCTIONS =========================
-
-//  End of File