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1 /* |
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2 * Copyright (c) 2006 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: Accessory observer |
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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 #ifndef CMPXACCESSORYOBSERVER_H |
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20 #define CMPXACCESSORYOBSERVER_H |
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21 |
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22 // INCLUDES |
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23 #ifdef __ACCESSORY_FW |
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24 #include <AccessoryMode.h> |
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25 #include <AccessoryServer.h> |
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26 #include <AccPolAccessoryMode.h> |
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27 #else |
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28 #include <e32base.h> |
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29 #include <DosSvrServices.h> |
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30 #endif // __ACCESSORY_FW |
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31 |
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32 #include <mpxplaybackframeworkdefs.h> |
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33 |
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34 // FORWARD DECLARATIONS |
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35 #ifndef __ACCESSORY_FW |
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36 class RDosServer; |
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37 #endif // __ACCESSORY_FW |
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38 |
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39 /** |
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40 * Interface for handling accessory event |
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41 */ |
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42 NONSHARABLE_CLASS(MMPXAccessoryEventObserver) |
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43 { |
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44 public: |
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45 /** |
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46 * Handle accessory event |
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47 * |
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48 * @param aMode playback accessory mode |
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49 */ |
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50 virtual void HandleAccesoryEventL(TMPXPlaybackAccessoryMode aMode)=0; |
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51 }; |
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52 |
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53 |
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54 #ifdef __ACCESSORY_FW |
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55 |
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56 NONSHARABLE_CLASS( CMPXAccessoryObserver ): public CActive |
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57 { |
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58 public: // constructor & destructor |
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59 |
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60 /** |
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61 * Two phase constructor |
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62 * @param aObs Reference to an event observer |
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63 */ |
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64 static CMPXAccessoryObserver* NewL(MMPXAccessoryEventObserver& aObs); |
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65 |
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66 /** |
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67 * Destructor. |
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68 */ |
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69 virtual ~CMPXAccessoryObserver(); |
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70 |
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71 public: |
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72 |
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73 /** |
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74 * Starts listening to Accessory events. |
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75 * @param None |
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76 * @return None |
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77 */ |
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78 void StartL(); |
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79 |
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80 /* |
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81 * Gets current accessory mode |
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82 */ |
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83 TMPXPlaybackAccessoryMode AccessoryModeL(); |
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84 |
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85 private: // New functions |
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86 |
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87 /** |
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88 * Converts from accessory mode to internal MPX mode enum |
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89 * @param aMode Accessory framework mode |
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90 * @ret MPX Accessory Mode |
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91 */ |
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92 TMPXPlaybackAccessoryMode ConvertToMpxMode( |
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93 TAccPolAccessoryMode& aMode ); |
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94 |
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95 private: // from CActive |
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96 /** @see CActive::RunL */ |
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97 void RunL(); |
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98 |
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99 /** @see CActive::DoCancel */ |
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100 void DoCancel(); |
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101 |
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102 private: // Constructor |
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103 |
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104 /** |
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105 * C++ default constructor. |
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106 * @param aObs Reference to an event observer |
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107 */ |
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108 CMPXAccessoryObserver(MMPXAccessoryEventObserver& aObs); |
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109 |
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110 /** |
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111 * By default Symbian 2nd phase constructor is private. |
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112 */ |
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113 void ConstructL(); |
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114 |
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115 private: |
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116 // Event observer |
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117 MMPXAccessoryEventObserver& iObs; |
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118 // Accessory Server session |
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119 RAccessoryServer iServer; |
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120 // Accessory mode |
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121 RAccessoryMode iMode; |
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122 TAccPolAccessoryMode iAccessory_mode; |
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123 |
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124 }; |
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125 |
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126 #else |
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127 /** |
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128 * Accessary event observer |
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129 */ |
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130 NONSHARABLE_CLASS(CMPXAccessoryObserver): public CDosEventListenerBase |
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131 { |
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132 public: |
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133 |
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134 /** |
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135 * Two-phased constructor |
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136 * |
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137 * @param aObs observer |
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138 * @return object of constructed |
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139 */ |
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140 static CMPXAccessoryObserver* NewL(MMPXAccessoryEventObserver& aObs); |
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141 |
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142 /** |
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143 * Destructor. |
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144 */ |
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145 virtual ~CMPXAccessoryObserver(); |
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146 |
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147 public: // from CDosEventListenerBase |
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148 /** |
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149 * From CDosEventListenerBase |
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150 * Accessory mode changed |
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151 * |
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152 * @param aState accessory state |
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153 */ |
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154 void AccessoryModeChangedL(TDosAccessoryMode aState); |
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155 |
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156 /** |
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157 * From CDosEventListenerBase |
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158 * Start monitoring |
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159 */ |
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160 void StartL(); |
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161 |
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162 /* |
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163 * Gets current accessory mode |
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164 */ |
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165 TMPXPlaybackAccessoryMode AccessoryModeL(); |
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166 |
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167 private: // New functions |
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168 |
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169 /** |
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170 * Converts from accessory mode to internal MPX mode enum |
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171 * @param aMode Dos Accessory framework mode |
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172 * @ret MPX Accessory Mode |
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173 */ |
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174 TMPXPlaybackAccessoryMode ConvertToMpxMode( |
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175 TDosAccessoryMode& aMode ); |
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176 |
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177 private: |
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178 |
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179 /** |
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180 * C++ constructor |
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181 * |
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182 * @param aObs observer |
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183 */ |
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184 CMPXAccessoryObserver(MMPXAccessoryEventObserver& aObs); |
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185 |
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186 /** |
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187 * 2nd phase constructor |
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188 */ |
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189 void ConstructL(); |
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190 private: |
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191 MMPXAccessoryEventObserver& iObs; |
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192 }; |
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193 #endif // __ACCESSORY_FW |
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194 |
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195 #endif // CMPXACCESSORYOBSERVER_H |