1 /* |
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2 * Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of the License "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Observer class for wrapping RConnection.* |
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15 */ |
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16 |
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17 |
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18 |
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19 |
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20 #ifndef MCRCONNECTIONOBSERVER_H |
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21 #define MCRCONNECTIONOBSERVER_H |
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22 |
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23 // INCLUDES |
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24 #include <e32base.h> |
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25 |
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26 // CONSTANTS |
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27 // None |
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28 |
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29 // MACROS |
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30 // None |
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31 |
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32 // DATA TYPES |
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33 // None |
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34 |
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35 // FORWARD DECLARATIONS |
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36 // None |
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37 |
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38 // CLASS DECLARATION |
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39 |
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40 /** |
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41 * Observer for connection interface status. |
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42 * |
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43 * @lib CommonRecordingEngine.lib |
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44 * @since Series 60 3.0 |
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45 */ |
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46 class MCRConnectionObserver |
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47 { |
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48 |
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49 public: // Data types |
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50 |
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51 /** |
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52 * TCRConnectionStatus is set of indications to be sent to client |
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53 */ |
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54 enum TCRConnectionStatus |
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55 { |
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56 ECRBearerChanged, /**< Indicates change in network bearer */ |
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57 ECRIapDown, /**< Network connection lost */ |
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58 ECRConnectionError, /**< Unable to open connection in RTP engine & CR engine */ |
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59 ECRConnecting, /**< Indicates "connection on progress" state to ui */ |
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60 ECRAuthenticationNeeded, /**< Used to request username/password from ui */ |
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61 ECRNotEnoughBandwidth, /**< Stream has too high bitrate for our network */ |
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62 ECRNormalEndOfStream, /**< Clip ends normally */ |
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63 ECRSwitchingToTcp, /**< Indicates a udp->tcp switch, client may need to reset player */ |
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64 ECRStreamIsLiveStream, /**< Indicates that we have stream that can't be paused */ |
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65 ECRAttachCompleted, /**< Sent when attached to RConnection */ |
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66 ECRStreamIsRealMedia, /**< Indicates that stream is (unsupported) realmedia format */ |
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67 ECRTestSinkData, /**< Data from TestSink (former NullSink) to test client observer */ |
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68 ECRSdpAvailable, /**< Used to communicate availability of SDP */ |
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69 ECRReadyToSeek, /**< Used to communicate seeking posibility */ |
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70 ECRRecordingStarted, /**< Used to communicate recording state */ |
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71 ECRRecordingPaused, /**< Used to communicate recording state */ |
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72 ECRRecordingEnded /**< Used to communicate recording state */ |
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73 }; |
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74 |
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75 /** |
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76 * This method is called after connection status changes or there is an error |
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77 * @since Series 60 3.0 |
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78 * @param aSessionId Id to session generating the status change or message. 0 points to no session. |
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79 * @param aConnection Reference to connection object being used. |
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80 * @param aInterfaceUp flags if interface has gone up (ETrue) |
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81 * or down (EFalse). |
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82 * @param aError error value associated. |
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83 * @return none. |
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84 */ |
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85 virtual void ConnectionStatusChange( TInt aSessionId, |
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86 const TCRConnectionStatus aStatus, |
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87 TInt aErr ) = 0; |
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88 }; |
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89 |
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90 #endif // MCRCONNECTIONOBSERVER_H |
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91 |
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92 // End of file |
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