internetradio2.0/streamsourceinc/irstreamsourceobserver.h
changeset 14 896e9dbc5f19
parent 12 608f67c22514
child 15 065198191975
equal deleted inserted replaced
12:608f67c22514 14:896e9dbc5f19
     1 /*
       
     2 * Copyright (c) 2006-2007 Nokia Corporation and/or its subsidiary(-ies). 
       
     3 * All rights reserved.
       
     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".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:  ?Description
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 #ifndef IRSTREAMSOURCEOBSERVER_H
       
    20 #define IRSTREAMSOURCEOBSERVER_H
       
    21 
       
    22 #include <e32def.h>
       
    23 
       
    24 class CIRMetaData;
       
    25 
       
    26 /**
       
    27  * This MClass is to be implemented by the observer of streamsource
       
    28  */
       
    29 
       
    30 class MIRStreamSourceObserver
       
    31 	{
       
    32 public:
       
    33 
       
    34 	/** 
       
    35 	 *  MIRStreamSourceObserver::OpenComplete()
       
    36 	 *  Called when connected to the channel server  
       
    37 	 *  To implement the fill of buffer
       
    38 	 */
       
    39 	virtual void OpenComplete() = 0; 
       
    40 
       
    41 	/** 
       
    42 	 *  MIRStreamSourceObserver::ErrorConnecting()
       
    43 	 *  Called when there is an error when connecting to the channel server  
       
    44 	 *  @Param aErrorCode Indicates the type of error as described in
       
    45 	 * 		   irstreamsourceerrors.h
       
    46 	 */
       
    47 	virtual void ErrorConnecting(TInt aErrorCode) = 0;
       
    48 
       
    49 	/** 
       
    50 	 *  MIRStreamSourceObserver::PlayNow()
       
    51 	 *  Called to indicate to the player to start playing
       
    52 	 */
       
    53 	virtual void PlayNow() = 0;
       
    54 
       
    55 	/** 
       
    56 	 *  MIRStreamSourceObserver::Play()
       
    57 	 *  Triggers the play after reconnecting to the channel
       
    58 	 */
       
    59 	virtual void Play() = 0;
       
    60 	
       
    61 	/** 
       
    62 	 *  MIRStreamSourceObserver::StopBuffering()
       
    63 	 *  Called to indicate to the player to stop buffering
       
    64 	 */
       
    65 	virtual void StopBuffering() = 0;
       
    66 
       
    67 	/** 
       
    68 	 *  MIRStreamSourceObserver::ConnectionEstablished(TInt aFeedValue)
       
    69 	 *  Called to indicate that the connection to channel server is sucessful
       
    70 	 */
       
    71 	virtual void ConnectionEstablished() = 0 ;
       
    72 
       
    73 	/** 
       
    74 	 *  MIRStreamSourceObserver::UpdateProgress()
       
    75 	 *  Called to provide teh buffer values
       
    76 	 *  @param aFeedValue used to pump the buffering value
       
    77 	 */
       
    78 	virtual void UpdateProgress(TInt aFeedValue) = 0;
       
    79 
       
    80     /**
       
    81      * Invoked when meta data is received.
       
    82      *
       
    83      * @param   aMetaData   The meta data that was received.
       
    84      */
       
    85     virtual void HandleMetaDataReceivedL( const CIRMetaData& aMetaData ) = 0;
       
    86 
       
    87 	// Added for ASF Player
       
    88 	
       
    89 	/** 
       
    90 	 *  MIRStreamSourceObserver::Asf_ErrorConnecting()
       
    91 	 *  Called when there is an error when connecting to the channel server  
       
    92 	 *  @Param aErrorCode Indicates the type of error as described in
       
    93 	 * 		   irstreamsourceerrors.h
       
    94 	 */
       
    95 	virtual void Asf_ErrorConnecting(TInt aErrorCode) = 0;
       
    96 
       
    97 	/** 
       
    98 	 *  MIRStreamSourceObserver::Asf_ConnectionEstablished(TInt aFeedValue)
       
    99 	 *  Called to indicate that the connection to channel server is sucessful
       
   100 	 */
       
   101 	virtual void Asf_ConnectionEstablished() = 0 ;
       
   102 
       
   103 	/** 
       
   104 	 *  MIRStreamSourceObserver::Asf_UpdateProgress()
       
   105 	 *  Called to provide teh buffer values
       
   106 	 *  @param aFeedValue used to pump the buffering value
       
   107 	 */
       
   108 	virtual void Asf_UpdateProgress(TInt aFeedValue) = 0;
       
   109 
       
   110     /**
       
   111      * MIRStreamSourceObserver::Asf_HandleMetaDataReceivedL
       
   112      * Invoked when meta data is received.
       
   113      *
       
   114      * @param   aMetaData   The meta data that was received.
       
   115      */
       
   116     virtual void Asf_HandleMetaDataReceivedL( const CIRMetaData& aMetaData ) = 0;
       
   117 	};
       
   118 
       
   119 #endif // IRSTREAMSOURCEOBSERVER_H
       
   120