1.1 --- a/epoc32/include/mda/client/utility.h Tue Nov 24 13:55:44 2009 +0000
1.2 +++ b/epoc32/include/mda/client/utility.h Tue Mar 16 16:12:26 2010 +0000
1.3 @@ -1,1 +1,121 @@
1.4 -utility.h
1.5 +// Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
1.6 +// All rights reserved.
1.7 +// This component and the accompanying materials are made available
1.8 +// under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members
1.9 +// which accompanies this distribution, and is available
1.10 +// at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".
1.11 +//
1.12 +// Initial Contributors:
1.13 +// Nokia Corporation - initial contribution.
1.14 +//
1.15 +// Contributors:
1.16 +//
1.17 +// Description:
1.18 +// Mda\Client\Utility.h
1.19 +// maintained for backwards compatibility
1.20 +//
1.21 +//
1.22 +
1.23 +
1.24 +#ifndef __MDA_CLIENT_UTILITY_H__
1.25 +#define __MDA_CLIENT_UTILITY_H__
1.26 +
1.27 +// Standard EPOC32 includes
1.28 +#include <e32base.h>
1.29 +#include <mda/common/base.h>
1.30 +
1.31 +/**
1.32 +@publishedAll
1.33 +@removed
1.34 +*/
1.35 +enum {
1.36 + KDummyMdaServerNotImplemented
1.37 + };
1.38 +
1.39 +// Maintained for backwards compatibility
1.40 +// Some code such as CONE uses constucts such as CMdaServer* iServer = CMdaServer::NewL();
1.41 +
1.42 +/**
1.43 +@publishedAll
1.44 +@deprecated
1.45 +
1.46 +This class has been deprecated in 7.0s.
1.47 +*/
1.48 +class MMdaObjectEventListener
1.49 + {
1.50 +public:
1.51 +
1.52 + /**
1.53 + Handles an event that occurred in the media server. Called by the CMdaServer object that the listener has been added to.
1.54 +
1.55 + @param aEvent
1.56 + A single event that occurred in the media server.
1.57 +
1.58 + @see CMdaServer::AddListenerL()
1.59 + */
1.60 + virtual void MoelEvent(const TMdaEvent& aEvent) =0;
1.61 +
1.62 + /**
1.63 + This function, rather than MoelEvent() is called if the event's ID is EMdaEventMissed. Events are stored when they are
1.64 + received and a missed event occurs when there are no spare slots.
1.65 + */
1.66 + virtual void MoelEventMissed() =0;
1.67 + friend class CMdaServer;
1.68 + };
1.69 +
1.70 +/**
1.71 +@publishedAll
1.72 +@deprecated
1.73 +
1.74 +This class has been deprecated in 7.0s.
1.75 +*/
1.76 +class CMdaServer : public CBase
1.77 + {
1.78 +public:
1.79 + IMPORT_C static CMdaServer* NewL();
1.80 + IMPORT_C ~CMdaServer();
1.81 + IMPORT_C void AddListenerL(MMdaObjectEventListener& aListener);
1.82 + IMPORT_C void RemoveListener(MMdaObjectEventListener& aListener);
1.83 + };
1.84 +
1.85 +/**
1.86 +@publishedAll
1.87 +@released
1.88 +
1.89 +An interface class for handling the change of state of an audio data sample object.
1.90 +
1.91 +The class is a mixin and is intended to be inherited by the client class which is observing the audio recording or the
1.92 +audio conversion operation. The class defines a single function which must be implemented by the inheriting client class.
1.93 +
1.94 +This class is maintained for binary compatibility with versions prior to 7.0s.
1.95 +
1.96 +Defined in MMdaObjectStateChangeObserver:
1.97 +MoscoStateChangeEvent()
1.98 +*/
1.99 +class MMdaObjectStateChangeObserver
1.100 + {
1.101 +public:
1.102 + /**
1.103 + This method is used to receive the updated state of an audio data sample object. This method must be implemented
1.104 + by the inheriting client class.
1.105 +
1.106 + @param aObject
1.107 + The audio data sample object whose state has changed.
1.108 +
1.109 + @param aPreviousState
1.110 + This is the previous state of the audio data sample object before it went into the current state.
1.111 + It is expected to be one of the enum values defined in CMdaAudioClipUtility::TState, which defines
1.112 + the possible states of an audio data sample.
1.113 +
1.114 + @param aCurrentState
1.115 + This is the current state of the audio data sample object. It is expected to be one of the enum values defined
1.116 + in CMdaAudioClipUtility::TState, which defines the possible states of an audio data sample.
1.117 +
1.118 + @param aErrorCode
1.119 + A system wide error code, KErrNone for sucessful completion. KErrInUse, KErrDied or KErrAccessDenied
1.120 + may be returned to indicate that the sound device is in use by another higher priority client.
1.121 + */
1.122 + virtual void MoscoStateChangeEvent(CBase* aObject, TInt aPreviousState, TInt aCurrentState, TInt aErrorCode)=0;
1.123 + };
1.124 +
1.125 +#endif