--- 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