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: CCH UI Call State Listener |
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15 * |
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16 */ |
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17 |
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18 #ifndef C_CCHUICALLSTATELISTENER_H |
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19 #define C_CCHUICALLSTATELISTENER_H |
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20 |
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21 |
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22 #include <e32property.h> |
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23 #include <e32base.h> |
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24 |
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25 class MCchUiCallStateObserver; |
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26 |
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27 |
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28 /** |
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29 * Class for listening call state changes. |
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30 * |
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31 * @code |
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32 * CCchUiCallStateListener listener = |
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33 * CCchUiCallStateListener::NewL( *this ); |
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34 * @endcode |
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35 * |
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36 * @lib cchuinotif.lib |
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37 * @since S60 v5.0 |
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38 */ |
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39 NONSHARABLE_CLASS( CCchUiCallStateListener ) : public CActive |
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40 { |
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41 |
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42 public: |
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43 |
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44 /** |
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45 * Two-phased constructor. |
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46 * @param aObserver callback observer |
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47 */ |
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48 static CCchUiCallStateListener* NewL( MCchUiCallStateObserver& aObserver ); |
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49 |
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50 /** |
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51 * Destructor. |
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52 */ |
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53 virtual ~CCchUiCallStateListener(); |
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54 |
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55 protected: |
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56 |
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57 // from base class CActive |
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58 |
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59 /** |
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60 * From CActive |
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61 * See base class. |
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62 */ |
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63 void RunL(); |
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64 |
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65 /** |
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66 * From CActive |
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67 * See base class. |
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68 */ |
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69 void DoCancel(); |
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70 |
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71 private: |
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72 |
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73 CCchUiCallStateListener( MCchUiCallStateObserver& aObserver ); |
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74 |
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75 /** |
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76 * Handle state change. |
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77 * |
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78 * @since S60 v5.0 |
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79 */ |
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80 void HandleChange(); |
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81 |
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82 /** |
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83 * Start listening call state changes. |
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84 * |
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85 * @since S60 v5.0 |
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86 */ |
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87 void IssueRequest(); |
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88 |
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89 private: // data |
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90 |
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91 /* |
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92 * Property handle used to get property value |
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93 */ |
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94 RProperty iProperty; |
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95 |
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96 /** |
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97 * Call state |
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98 */ |
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99 TInt iCallState; |
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100 |
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101 /** |
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102 * CCH UI call state observer for callbacks |
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103 */ |
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104 MCchUiCallStateObserver& iObserver; |
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105 |
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106 // For unit testing |
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107 friend class t_cchuicallstatelistener; |
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108 |
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109 }; |
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110 |
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111 #endif // C_CCHUICALLSTATELISTENER_H |
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