author | mikaruus <mika.a.ruuskanen@nokia.com> |
Thu, 14 Jan 2010 10:44:58 +0200 | |
changeset 5 | 8ccc39f9d787 |
parent 0 | 63b37f68c1ce |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2007-2008 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of the License "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* |
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*/ |
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// INCLUDE FILES |
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#include "dpdef.h" // dataport definitions |
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#include "dpobserver.h" // abstract observer class |
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#include "dplog.h" // dataport logging |
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8ccc39f9d787
New release based on our 2010wk02 release
mikaruus <mika.a.ruuskanen@nokia.com>
parents:
0
diff
changeset
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#include "OstTraceDefinitions.h" |
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#ifdef OST_TRACE_COMPILER_IN_USE |
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8ccc39f9d787
New release based on our 2010wk02 release
mikaruus <mika.a.ruuskanen@nokia.com>
parents:
0
diff
changeset
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#include "dpobserverTraces.h" |
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#endif |
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// EXTERNAL DATA STRUCTURES |
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// none |
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// EXTERNAL FUNCTION PROTOTYPES |
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// none |
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// CONSTANTS |
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const TInt CDpObserver::iOffset = _FOFF(CDpObserver,iSlink); |
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// MACROS |
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// none |
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// LOCAL CONSTANTS AND MACROS |
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// none |
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// MODULE DATA STRUCTURES |
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// none |
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// LOCAL FUNCTION PROTOTYPES |
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// none |
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// FORWARD DECLARATIONS |
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// none |
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// ============================= LOCAL FUNCTIONS =============================== |
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// none |
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// ============================ MEMBER FUNCTIONS =============================== |
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// --------------------------------------------------------- |
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// CDpObserver::CDpObserver |
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// C++ default constructor. |
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// --------------------------------------------------------- |
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CDpObserver::CDpObserver() |
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{ |
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OstTrace0( TRACE_NORMAL, CDPOBSERVER_CDPOBSERVER, "CDpObserver::CDpObserver" ); |
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} |
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// --------------------------------------------------------- |
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// CDpObserver::~CDpObserver |
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// Destructor |
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// --------------------------------------------------------- |
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CDpObserver::~CDpObserver() |
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{ |
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OstTrace0( TRACE_NORMAL, DUP1_CDPOBSERVER_CDPOBSERVER, "CDpObserver::~CDpObserver" ); |
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iSlink.iNext = NULL; |
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} |
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//============================================================================= |
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// ============================ MEMBER FUNCTIONS =============================== |
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// --------------------------------------------------------- |
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// CDpSubject::CDpSubject |
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// C++ default constructor. |
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// --------------------------------------------------------- |
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CDpSubject::CDpSubject() : |
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iObserverList( CDpObserver::iOffset ), |
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iObserverIter( iObserverList ) |
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{ |
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OstTrace0( TRACE_NORMAL, CDPSUBJECT_CDPSUBJECT, "CDpSubject::CDpSubject" ); |
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LOGM(" CDpSubject::CDpSubject"); |
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} |
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// --------------------------------------------------------- |
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// CDpSubject::~CDpSubject |
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// Destructor |
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// --------------------------------------------------------- |
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CDpSubject::~CDpSubject() |
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{ |
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OstTrace0( TRACE_NORMAL, DUP1_CDPSUBJECT_CDPSUBJECT, "CDpSubject::~CDpSubject" ); |
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LOGM(" CDpSubject::~CDpSubject"); |
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CDpObserver* item= NULL; |
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// set observer to first item in the list |
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iObserverIter.SetToFirst(); |
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while( NULL != (item = iObserverIter++) ) |
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{ |
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iObserverList.Remove( *item ); |
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} |
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} |
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// --------------------------------------------------------- |
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// CDpSubject::Attach |
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// Attach observer to this subject |
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// --------------------------------------------------------- |
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// |
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void CDpSubject::Attach( |
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CDpObserver& aObserver) |
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{ |
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OstTrace0( TRACE_NORMAL, CDPSUBJECT_ATTACH, "CDpSubject::Attach" ); |
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LOGM(" CDpSubject::Attach"); |
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iObserverList.AddLast( aObserver ); |
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} |
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// --------------------------------------------------------- |
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// CDpSubject::Detach |
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// Detach observer from this subject |
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// --------------------------------------------------------- |
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// |
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void CDpSubject::Detach( |
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CDpObserver& aObserver) |
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{ |
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OstTrace0( TRACE_NORMAL, CDPSUBJECT_DETACH, "CDpSubject::Detach" ); |
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LOGM(" CDpSubject::Detach"); |
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iObserverList.Remove( aObserver ); |
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} |
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// --------------------------------------------------------- |
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// CDpSubject::Notify |
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// Notify all observers of this subject object |
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// i.e. call UpDate() in every observer object. |
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// --------------------------------------------------------- |
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// |
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void CDpSubject::Notify() |
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{ |
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OstTrace0( TRACE_NORMAL, CDPSUBJECT_NOTIFY, "CDpSubject::Notify" ); |
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LOGM(" CDpSubject::Notify"); |
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CDpObserver* item = NULL; |
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iObserverIter.SetToFirst(); |
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while( NULL != (item = iObserverIter++) ) |
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{ |
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item->UpDate( this ); |
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} |
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} |
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// ================= OTHER EXPORTED FUNCTIONS ============== |
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// none |
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// End of File |