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1 /* |
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2 * Copyright (c) 2005 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: Declaration for the control event observer interface |
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15 * |
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16 */ |
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17 |
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18 #ifndef MFMRADIOCONTROLEVENTOBSERVER_H |
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19 #define MFMRADIOCONTROLEVENTOBSERVER_H |
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20 |
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21 #include "fmradioaudioutils.hrh" |
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22 #include "fmradiosystemutils.h" |
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23 |
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24 /** |
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25 * MFMRadioControlEventObserver |
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26 * |
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27 * MFMRadioControlEventObserver defines observer interface for FM Radio control events. |
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28 */ |
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29 class MFMRadioControlEventObserver |
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30 { |
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31 |
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32 public: |
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33 |
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34 /** |
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35 * Called when "step to channel" request occurs. |
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36 * |
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37 * @param aDirection EFMRadioUp for stepping up, EFMRadioDown for stepping down |
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38 */ |
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39 virtual void StepToChannelL( TFMRadioTuneDirection aDirection ) = 0; |
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40 |
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41 /** |
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42 * Called when "set channel" request occurs. |
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43 * |
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44 * @param aChannelId Channel id to set |
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45 */ |
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46 virtual void SetChannelL( TInt aChannelId ) = 0; |
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47 |
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48 /** |
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49 * Called when "seek" request occurs. |
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50 * |
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51 * @param aDirection If EFMRadioUp seeks up, otherwise seeks down |
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52 */ |
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53 virtual void SeekL( TFMRadioTuneDirection aDirection ) = 0; |
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54 |
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55 /** |
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56 * Called when "step to frequency up" request occurs. |
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57 * |
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58 * @param aDirection EFMRadioUp for stepping up, EFMRadioDown for stepping down |
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59 */ |
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60 virtual void StepToFrequencyL( TFMRadioTuneDirection aDirection ) = 0; |
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61 |
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62 /** |
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63 * Called when "set frequency" request occurs. |
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64 * |
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65 * @param aFreq Frequency to set |
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66 */ |
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67 virtual void SetFrequencyL( TUint32 aFreq ) = 0; |
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68 |
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69 /** |
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70 * Called when "adjust volume" request occurs. |
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71 * |
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72 * @param aDirection If EFMRadioDecVolume decreases, otherwise increases |
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73 * volume |
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74 */ |
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75 virtual void AdjustVolumeL( TFMRadioVolumeSetDirection aDirection ) = 0; |
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76 |
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77 /** |
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78 * Called when "mute" request occurs. |
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79 * |
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80 * @param aMute if ETrue mutes, else unmutes radio |
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81 */ |
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82 virtual void MuteL( TBool aMute ) = 0; |
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83 |
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84 /** |
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85 * Called when "play" request occurs. |
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86 * |
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87 * @param aDownPressed If ETrue, button is down. If EFalse, button is up. |
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88 */ |
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89 virtual void PlayL( TBool aDownPressed ) = 0; |
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90 |
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91 /** |
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92 * Called when "pause" request occurs. |
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93 * |
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94 * @param aDownPressed If ETrue, button is down. If EFalse, button is up. |
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95 */ |
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96 virtual void PauseL(TBool aDownPressed ) = 0; |
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97 |
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98 /** |
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99 * Called when "play", "pause" or "pauseplay" request occurs. |
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100 * |
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101 * @param aDownPressed If ETrue, button is down. If EFalse, button is up. |
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102 */ |
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103 virtual void PausePlayL( TBool aDownPressed ) = 0; |
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104 |
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105 /** |
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106 * Called when "stop" request occurs. |
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107 * |
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108 * @param aDownPressed If ETrue, button is down. If EFalse, button is up. |
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109 */ |
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110 virtual void StopL( TBool aDownPressed ) = 0; |
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111 |
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112 /** |
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113 * Called when "forward" request occurs. |
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114 * |
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115 * @param aDownPressed If ETrue, button is down. If EFalse, button is up. |
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116 */ |
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117 virtual void ForwardL( TBool aDownPressed ) = 0; |
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118 |
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119 /** |
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120 * Called when "fast forward" request occurs. |
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121 * |
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122 * @param aDownPressed If ETrue, button is down. If EFalse, button is up. |
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123 */ |
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124 virtual void FastForwardL( TBool aDownPressed ) = 0; |
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125 |
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126 /** |
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127 * Called when "backward" request occurs. |
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128 * |
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129 * @param aDownPressed If ETrue, button is down. If EFalse, button is up. |
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130 */ |
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131 virtual void BackwardL( TBool aDownPressed ) = 0; |
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132 |
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133 /** |
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134 * Called when "rewind" request occurs. |
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135 * |
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136 * @param aDownPressed If ETrue, button is down. If EFalse, button is up. |
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137 */ |
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138 virtual void RewindL( TBool aDownPressed ) = 0; |
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139 |
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140 /** |
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141 * Called when "channel up" request occurs. |
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142 * |
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143 * @param aDownPressed If ETrue, button is down. If EFalse, button is up. |
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144 */ |
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145 virtual void ChannelUpL( TBool aDownPressed ) = 0; |
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146 |
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147 /** |
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148 * Called when "channel down" request occurs. |
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149 * |
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150 * @param aDownPressed If ETrue, button is down. If EFalse, button is up. |
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151 */ |
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152 virtual void ChannelDownL( TBool aDownPressed ) = 0; |
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153 |
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154 /** |
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155 * Called when "volume up" request occurs. |
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156 * |
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157 * @param aDownPressed If ETrue, button is down. If EFalse, button is up. |
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158 */ |
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159 virtual void VolumeUpL( TBool aDownPressed ) = 0; |
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160 |
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161 /** |
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162 * Called when "volume down" request occurs. |
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163 * |
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164 * @param aDownPressed If ETrue, button is down. If EFalse, button is up. |
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165 */ |
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166 virtual void VolumeDownL( TBool aDownPressed ) = 0; |
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167 |
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168 /** |
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169 * Called when "change view" request occurs |
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170 * |
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171 * @param aViewId the id of activated view |
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172 * @param aForceChange if ETrue, view changing is forced and state |
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173 * of FM Radio is not checked |
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174 */ |
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175 virtual void ChangeViewL(TUid aViewId, TBool aForceChange) = 0; |
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176 |
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177 /** |
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178 * Called when output source is changed |
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179 * @param aDestination the current output source |
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180 */ |
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181 virtual void SetAudioOutputDestinationL(TFMRadioOutputDestination aDestination) = 0; |
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182 |
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183 /** |
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184 * Called when headset button answer/end call is pressed |
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185 */ |
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186 virtual void AnswerEndCallL() = 0; |
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187 }; |
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188 |
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189 #endif // MFMRADIOCONTROLEVENTOBSERVER_H |
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190 |
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191 |