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1 /* |
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2 * Copyright (c) 2008 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: This class observes the accessory framework. |
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15 * |
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16 */ |
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17 |
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18 // Version : %version: 6 % |
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19 |
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20 |
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21 |
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22 #ifndef MPXVIDEOACCESSORYOBSERVER_H |
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23 #define MPXVIDEOACCESSORYOBSERVER_H |
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24 |
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25 // |
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26 // INCLUDES |
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27 // |
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28 #include <e32std.h> |
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29 #include <e32base.h> |
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30 #include <AccessoryServer.h> |
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31 #include <AccessoryConnection.h> |
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32 |
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33 #include "mpxvideo_debug.h" |
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34 |
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35 // |
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36 // FORWARD DECLARATIONS |
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37 // |
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38 class CMPXVideoPlaybackController; |
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39 |
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40 // |
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41 // CLASS DECLARATION |
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42 // |
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43 |
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44 NONSHARABLE_CLASS( CMPXVideoAccessoryObserver ) : public CActive |
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45 { |
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46 public: |
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47 /* |
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48 * Two phase constructor |
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49 * @param aObs Reference to an event observer |
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50 */ |
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51 static CMPXVideoAccessoryObserver* NewL( CMPXVideoPlaybackController* aController ); |
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52 |
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53 /* |
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54 * Destructor |
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55 */ |
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56 virtual ~CMPXVideoAccessoryObserver(); |
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57 |
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58 public: |
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59 |
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60 /* |
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61 * Returns the status of the TV-Out cable connection |
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62 * @return the cable connection status |
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63 * ETrue cable is connected. |
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64 * EFalse cable is not connected. |
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65 */ |
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66 TBool IsTvOutConnected(); |
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67 |
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68 /* |
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69 * Returns if the playback is allowed when the TV-Out cable is connected |
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70 * @return playback is allowed |
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71 * ETrue playback is allowed. |
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72 * EFalse playback is not allowed. |
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73 */ |
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74 TBool IsTvOutPlaybackAllowed(); |
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75 |
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76 private: |
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77 |
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78 /* |
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79 * From CActive |
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80 * |
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81 * DoCancel() must not wait for event completion; |
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82 * this is handled by Cancel(). |
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83 */ |
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84 void DoCancel(); |
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85 |
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86 /* |
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87 * From CActive |
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88 * |
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89 * Handles an active object's request completion event. |
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90 */ |
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91 void RunL(); |
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92 |
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93 /* |
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94 * From CActive |
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95 * |
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96 * If RunL leaves, then the active scheduler calls RunError() |
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97 * to handle the leave. |
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98 */ |
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99 TInt RunError( TInt aError ); |
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100 |
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101 private: |
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102 |
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103 /* |
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104 * C++ default constructor. |
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105 * @param aObs Reference to an event observer |
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106 */ |
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107 CMPXVideoAccessoryObserver( CMPXVideoPlaybackController* aController ); |
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108 |
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109 /* |
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110 * By default Symbian 2nd phase constructor is private. |
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111 * Create and connect to the driver and Central Repository. |
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112 */ |
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113 void ConstructL(); |
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114 |
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115 /* |
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116 * Checks if the TV-Out status has changed by parsing |
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117 * the Generic ID Array searching for changes with accessories |
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118 * that support TV-Out |
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119 * @return Status Changed |
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120 * ETrue TV-Out Status has changed |
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121 * EFalse TV-Out Status has not changed |
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122 */ |
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123 TBool UpdateTvOutStatusL(); |
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124 |
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125 /* |
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126 * Starts listening for Accessory events. |
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127 * @param None |
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128 * @return None |
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129 */ |
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130 void StartMonitoringL(); |
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131 |
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132 private: |
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133 |
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134 CMPXVideoPlaybackController* iController; |
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135 TBool iTvOutConnected; |
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136 TBool iTvOutPlaybackAllowed; |
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137 |
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138 #ifdef __ACCESSORY_FW |
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139 RAccessoryServer iServer; |
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140 RAccessoryConnection iConnection; |
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141 TAccPolGenericIDArray iGenericIdArray; |
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142 #endif //__ACCESSORY_FW |
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143 }; |
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144 |
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145 #endif // MPXVIDEOACCESSORYOBSERVER_H |
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146 |
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147 // End of File |