Update contrib.
2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
4 * This component and the accompanying materials are made available
5 * under the terms of "Eclipse Public License v1.0"
6 * which accompanies this distribution, and is available
7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
9 * Initial Contributors:
10 * Nokia Corporation - initial contribution.
18 #ifndef CDEVCOMMONCONTROL_H
19 #define CDEVCOMMONCONTROL_H
21 #include "cdevaudiocontrol.h"
22 #include <a3f/a3f_trace_utils.h>
23 #include <a3f/maudioprocessingunitobserver.h>
28 * Common functionality required by:
33 * @lib mmfdevsoundadaptation.lib
37 NONSHARABLE_CLASS(CDevCommonControl) : public CDevAudioControl,
38 public MAudioProcessingUnitObserver
44 // from CDevAudioControl
49 // from MAudioProcessingUnitObserver
50 void StateEvent(MAudioStream& aStream, TInt aError, TAudioState aNewState);
51 void ProcessingUnitError(MAudioProcessingUnit* aInstance, TInt aError);
53 // from MAudioContextObserver
54 void ContextEvent(TUid aEvent, TInt aError);
57 // methods introduced by this class
58 virtual void FinishWithError(TInt aError) = 0;
61 // Internal functions which together implement CDevCommonControl::ContextEvent
62 void ContextEventUpdateWithoutStateEventNoError();
63 void ContextEventUpdateWithoutStateEventButWithError(TInt aError);
64 void ContextEventUpdateWithStateEventNoError();
65 void ContextEventStateDevSoundAdaptorLoading();
66 void ContextEventStateDevSoundAdaptorUnloading();
67 void ContextEventStateDevSoundAdaptorStopping();
68 void ContextEventStateDevSoundAdaptorUninitializing();
69 void ContextEventStateDevSoundAdaptorBeingPreempted();
70 void ContextEventPauseResumeSequenceDueToEmptyBuffers(TBool aFlush);
71 void ContextEventUpdateWithStateEventAndError(TInt aError);
72 void ContextEventUpdateComplete(TInt aError);
73 void ContextEventPreEmption(TUid aEvent, TInt aError);
74 void ContextEventAbort(TInt aError);
75 void ContextEventErrorStateDevSoundAdaptorActivating(TInt aError);
76 void ContextEventErrorStateDevSoundAdaptorBeingPreempted();
77 void ContextEventAsynchronousPlayCompletion(TInt aError);
78 void ContextEventAsynchronousInitializeComplete(TInt aError);
79 void ContextEventStopDevSoundNotifications();
82 TBool iBeingPreempted;
83 TBool iPreemptionClash;
86 #endif // CDEVCOMMONCONTROL_H