1 /* |
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2 * Copyright (c) 2009 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 "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: |
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15 * |
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16 */ |
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17 |
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18 #ifndef MLCSESSIONOBSERVER_H |
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19 #define MLCSESSIONOBSERVER_H |
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20 |
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21 // INCLUDES |
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22 #include <e32std.h> |
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23 |
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24 // FORWARD DECLARATIONS |
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25 class MLcSession; |
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26 class MLcVideoPlayer; |
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27 |
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28 // CLASS DECLARATION |
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29 /** |
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30 * A callback for a Live Comms session related events. |
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31 */ |
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32 class MLcSessionObserver |
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33 { |
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34 public: |
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35 |
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36 /** |
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37 * The state of the session has changed. |
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38 * The new state can be obtained from the session. |
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39 * @param aSession the session |
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40 */ |
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41 virtual void StateChanged( MLcSession& aSession ) = 0; |
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42 |
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43 /** |
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44 * The state of the player has changed. |
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45 * The new state can be obtained from the player. |
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46 * @param aPlayer the player |
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47 */ |
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48 virtual void StateChanged( MLcVideoPlayer& aPlayer ) = 0; |
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49 |
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50 /** |
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51 * The session has been updated. |
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52 * For example a new player has been added. |
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53 * @param aSession the updated session |
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54 */ |
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55 virtual void Updated( MLcSession& aSession ) = 0; |
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56 |
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57 /** |
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58 * The session has been updated. |
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59 * For example a new control has been added or |
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60 * an existing control has been updated. |
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61 * @param aPlayer the updated player |
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62 */ |
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63 virtual void Updated( MLcVideoPlayer& aPlayer ) = 0; |
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64 |
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65 /** |
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66 * The session has failed. |
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67 * @param aSession the failed session |
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68 * @param aError the reason for the failure |
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69 */ |
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70 virtual void Failed( |
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71 MLcSession& aSession, |
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72 TInt aError ) = 0; |
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73 |
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74 /** |
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75 * The player has failed. |
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76 * @param aPlayer the failed player |
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77 * @param aError the reason for the failure |
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78 */ |
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79 virtual void Failed( |
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80 MLcVideoPlayer& aPlayer, |
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81 TInt aError ) = 0; |
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82 |
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83 /** |
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84 * The session duration time has changed. |
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85 * @param aSession the session |
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86 * @param aSeconds the current session duration. |
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87 */ |
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88 virtual void SessionTimeChanged( |
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89 MLcSession& aSession, |
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90 const TTimeIntervalSeconds& aSeconds ) = 0; |
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91 }; |
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92 |
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93 #endif // MLCSESSIONOBSERVER_H |
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94 |
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95 // end of file |
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