--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/cbs/CbsServer/ClientSrc/RCbsTopicCollection.cpp Tue Feb 02 01:11:09 2010 +0200
@@ -0,0 +1,219 @@
+/*
+* 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 RCbsTopicCollection class
+ member functions.
+*
+*/
+
+
+// INCLUDE FILES
+
+#include "CbsServerConstants.h"
+#include "RCbs.h"
+#include "RCbsTopicCollection.h"
+
+// ================= MEMBER FUNCTIONS =======================
+
+// -----------------------------------------------------------------------------
+// RCbsTopicCollection::RCbsTopicCollection
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+RCbsTopicCollection::RCbsTopicCollection()
+ : iIterator( 0 )
+ {
+ }
+
+// -----------------------------------------------------------------------------
+// RCbsTopicCollection::Open
+// Creates a subsession to the server.
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+TInt RCbsTopicCollection::Open(
+ RCbs& aServer )
+ {
+ // Open the subsession.
+ const TIpcArgs args( TIpcArgs::ENothing );
+ return CreateSubSession( aServer, ECbsCreateTopicCollectionSubsession, args );
+ }
+
+// -----------------------------------------------------------------------------
+// RCbsTopicCollection::Close
+// Closes a subsession to the server.
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+TInt RCbsTopicCollection::Close()
+ {
+ // Close the subsession
+ RSubSessionBase::CloseSubSession( ECbsCloseTopicCollectionSubsession );
+ return KErrNone;
+ }
+
+// -----------------------------------------------------------------------------
+// RCbsTopicCollection::GetTopicCount
+// Returns the total amount of topic information the topic collection
+// contains.
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void RCbsTopicCollection::GetTopicCount(
+ TInt& aCount )
+ {
+ // Get the topic count from the server
+ TPckgBuf< TInt > pckgCount;
+ const TIpcArgs args( &pckgCount );
+ SendReceive( ECbsGetTopicInfoCount, args );
+ aCount = pckgCount();
+ }
+
+// -----------------------------------------------------------------------------
+// RCbsTopicCollection::GetTopicInfo
+// Returns a topic information structure.
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+TInt RCbsTopicCollection::GetTopicInfo(
+ TInt aIndex,
+ TCbsTopicInfo& aInfo )
+ {
+ // Get topic information from the server
+ TPckgBuf< TCbsTopicInfo > pckgInfo( aInfo );
+ const TIpcArgs args( aIndex, &pckgInfo );
+ TInt result( SendReceive( ECbsGetTopicInfo, args ) );
+
+ if ( result == KErrNone )
+ {
+ aInfo = pckgInfo();
+ }
+ return result;
+ }
+
+// -----------------------------------------------------------------------------
+// RCbsTopicCollection::NotifyOnChange
+// Notifies the client next time when topic collection changes.
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void RCbsTopicCollection::NotifyOnChange(
+ TRequestStatus& aStatus )
+ {
+ // Send notification on change
+ const TIpcArgs args( TIpcArgs::ENothing );
+ SendReceive( ECbsNotifyOnChange, args, aStatus );
+ }
+
+// -----------------------------------------------------------------------------
+// RCbsTopicCollection::NotifyOnChangeCancel
+// Cancels the pending request to notify.
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void RCbsTopicCollection::NotifyOnChangeCancel()
+ {
+ // Cancel pending notification request.
+ const TIpcArgs args( TIpcArgs::ENothing );
+ SendReceive( ECbsNotifyOnChangeCancel, args );
+ }
+
+// -----------------------------------------------------------------------------
+// RCbsTopicCollection::Start
+// Interface for topic collection browsing. Resets the iterator.
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void RCbsTopicCollection::Start()
+ {
+ iIterator = 0;
+ }
+
+// -----------------------------------------------------------------------------
+// RCbsTopicCollection::HasNextTopic
+// Returns ETrue, if the topic collection has topic identities
+// unaccessed with NextTopic().
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+TBool RCbsTopicCollection::HasNextTopic()
+ {
+ TInt count( 0 );
+ TInt result( KErrNone );
+ TBool inList( EFalse );
+
+ GetTopicCount( count );
+ for ( ; iIterator < count; iIterator++ )
+ {
+ // Check if the current topic is in the topic list.
+ result = TopicInList( iIterator, inList );
+ if ( result != KErrNone )
+ {
+ return EFalse;
+ }
+ else if ( !inList )
+ {
+ return ETrue; // this topic is not in the list;
+ }
+ }
+
+ return EFalse;
+ }
+
+// -----------------------------------------------------------------------------
+// RCbsTopicCollection::NextTopic
+// Returns the next topic identity if one exists.
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+TInt RCbsTopicCollection::NextTopic(
+ TCbsTopicInfo& aInfo )
+ {
+ // iIterator points to the next unlisted topic: return the topic
+ // and error code.
+ TInt result( KErrNone );
+ result = GetTopicInfo( iIterator, aInfo );
+ if ( result == KErrNone )
+ {
+ iIterator++; // advance to the next topic
+ }
+ return result;
+ }
+
+// -----------------------------------------------------------------------------
+// RCbsTopicCollection::TopicInList
+// Returns information whether the topic was in topic list.
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+TInt RCbsTopicCollection::TopicInList(
+ TInt aIndex,
+ TBool& aInList )
+ {
+ // value returned by the server gets stored here
+ TPckgBuf< TBool > pckgInList;
+ const TIpcArgs args( aIndex, &pckgInList );
+
+ TInt result = SendReceive( ECbsTopicInList, args );
+ if ( result == KErrNone )
+ {
+ aInList = pckgInList();
+ }
+
+ return result;
+ }
+
+// ========================== OTHER EXPORTED FUNCTIONS =========================
+
+// End of File