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1 /* |
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2 * Copyright (c) 2005-2009 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: Remote connection observer interface declaration. |
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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 BTASBAUDIOSERVICEPLUGIN_H |
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20 #define BTASBAUDIOSERVICEPLUGIN_H |
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21 |
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22 // INCLUDES |
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23 #include <e32base.h> |
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24 #include <remcon/remconbearerplugin.h> |
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25 #include <remcon/remconbearerinterface.h> |
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26 #include <remcon/messagetype.h> |
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27 #include <remconaddress.h> |
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28 #include <bttypes.h> |
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29 #include "atcodec.h" |
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30 #include "playercontrolistener.h" |
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31 |
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32 // FORWARD DECLARATIONS |
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33 |
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34 class CBmbCmdListener; |
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35 |
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36 /** |
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37 * RemCon bearer plugin implementation for BT Audio Service. |
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38 */ |
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39 class CBmbPlugin |
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40 : public CRemConBearerPlugin, |
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41 public MRemConBearerInterface, |
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42 public MBmbPlayerControl |
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43 { |
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44 public: |
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45 /** |
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46 * Two-phased constructor. |
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47 * @param aParams |
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48 */ |
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49 static CBmbPlugin* NewL(TBearerParams& aParams); |
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50 ~CBmbPlugin(); |
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51 |
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52 void DataFromRemote(const TDesC8& aATCmd); |
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53 |
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54 |
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55 private: // from CRemConBearerPlugin |
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56 |
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57 /** |
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58 * Called by RemCon server to get a pointer to an object which implements the |
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59 * bearer API with UID aUid. This is a mechanism for allowing future change |
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60 * to the bearer API without breaking BC in existing (non-updated) bearer |
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61 * plugins. |
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62 * @return the pointer of this implementation |
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63 */ |
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64 TAny* GetInterface(TUid aUid); |
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65 |
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66 private: // from MRemConBearerInterface |
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67 |
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68 /** |
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69 * Called by RemCon to retrieve a response on a connection. Must only be |
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70 * called as a result of a NewResponse upcall. |
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71 * @param aInterfaceUid The UID of the outer-layer client API specifying the |
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72 * response. |
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73 * @param aId The command identifier used as a cookie for command/response |
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74 * matching. |
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75 * @param aOperationId The ID of the response operation in the outer-layer |
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76 * client API. |
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77 * @param aData API-specific message data. On success, ownership is |
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78 * returned. |
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79 * @param aAddr The connection. |
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80 */ |
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81 TInt GetResponse( |
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82 TUid& aInterfaceUid, |
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83 TUint& aTransactionId, |
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84 TUint& aOperationId, |
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85 RBuf8& aData, |
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86 TRemConAddress& aAddr); |
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87 |
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88 /** |
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89 * Called by RemCon to send a command on a connection. Must only be |
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90 * called as a result of a NewCommand upcall. |
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91 * @param aInterfaceUid The UID of the outer-layer client API specifying the |
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92 * command. |
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93 * @param aId The command identifier used as a cookie for command/response |
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94 * matching. |
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95 * @param aOperationId The ID of the command operation in the outer-layer |
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96 * client API. |
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97 * @param aData API-specific message data. On success, ownership is |
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98 * returned. |
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99 * @param aAddr The connection. |
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100 */ |
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101 TInt SendCommand( |
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102 TUid aInterfaceUid, |
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103 TUint aCommand, |
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104 TUint aTransactionId, |
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105 RBuf8& aData, |
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106 const TRemConAddress& aAddr); |
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107 |
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108 /** |
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109 * Called by RemCon to retrieve a command on a connection. The connection is not |
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110 * assumed to exist- the bearer is responsible for bringing up the requested |
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111 * connection if necessary. |
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112 * @param aInterfaceUid The UID of the outer-layer client API specifying the |
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113 * command. |
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114 * @param aOperationId The ID of the command operation in the outer-layer |
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115 * client API. |
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116 * @param aId The command identifier used as a cookie for command/response |
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117 * matching. |
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118 * @param aData API-specific message data. On success, ownership is passed. |
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119 * @param aAddr The connection. |
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120 * @return Error. This request is synchronous. It should be completed by the |
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121 * bearer when it has taken responsibility for sending the message. This will |
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122 * involve checking that the message is well-formed, and possibly actually |
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123 * trying to send it, or adding it to a queue. |
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124 */ |
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125 TInt GetCommand( |
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126 TUid& aInterfaceUid, |
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127 TUint& aTransactionId, |
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128 TUint& aCommand, |
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129 RBuf8& aData, |
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130 TRemConAddress& aAddr); |
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131 |
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132 /** |
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133 * Called by RemCon to send a response on a connection. The connection is not |
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134 * assumed to exist- the bearer is responsible for bringing up the requested |
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135 * connection if necessary. |
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136 * @param aInterfaceUid The UID of the outer-layer client API specifying the |
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137 * response. |
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138 * @param aOperationId The ID of the response operation in the outer-layer |
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139 * client API. |
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140 * @param aId The command identifier used as a cookie for command/response |
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141 * matching |
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142 * @param aData API-specific message data. On success, ownership is passed. |
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143 * @param aAddr The connection. |
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144 * @return Error. This request is synchronous. It should be completed by the |
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145 * bearer when it has taken responsibility for sending the message. This will |
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146 * involve checking that the message is well-formed, and possibly actually |
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147 * trying to send it, or adding it to a queue. |
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148 */ |
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149 TInt SendResponse( |
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150 TUid aInterfaceUid, |
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151 TUint aOperationId, |
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152 TUint aTransactionId, |
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153 RBuf8& aData, |
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154 const TRemConAddress& aAddr); |
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155 |
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156 /** |
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157 * Called by RemCon to establish a bearer-level connection to another party. |
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158 * Completion is signalled back in ConnectConfirm. |
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159 * @param aAddr The RemCon address to connect to. |
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160 */ |
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161 void ConnectRequest(const TRemConAddress& aAddr); |
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162 |
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163 /** |
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164 * Called by RemCon to destroy a bearer-level connection to another party. |
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165 * Completion is signalled back in DisconnectConfirm. |
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166 * @param aAddr The RemCon address to disconnect from. |
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167 */ |
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168 void DisconnectRequest(const TRemConAddress& aAddr); |
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169 |
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170 /** |
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171 * Called by RemCon when either (a) the number of controller clients changes |
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172 * from 0 to 1 or from 1 to 0, or (b) the number of target clients changes |
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173 * from 0 to 1 or from 1 to 0. |
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174 */ |
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175 void ClientStatus(TBool aControllerPresent, TBool aTargetPresent); |
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176 |
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177 /** |
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178 * Called by RemCon to get the capabilities required to make/destroy |
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179 * connections over the bearer, and to send and receive messages over the |
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180 * bearer. |
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181 @return The bearer's security policy. |
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182 */ |
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183 TSecurityPolicy SecurityPolicy() const; |
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184 |
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185 private: |
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186 // From MBmbPlayerControl |
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187 void Pause(); |
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188 void Play(); |
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189 |
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190 private: |
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191 |
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192 /** |
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193 * C++ default constructor. |
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194 */ |
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195 CBmbPlugin(TBearerParams& aParams); |
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196 |
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197 /** |
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198 * Symbian 2nd phase constructor. |
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199 */ |
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200 void ConstructL(); |
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201 |
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202 private: // owned |
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203 |
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204 // Last received and corrected-decoded message. |
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205 TBuf8<KMaxATSize> iInData; |
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206 TUid iInterfaceUid; |
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207 TUint iTransactionId; |
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208 TUint iOperationId; |
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209 TRemConMessageType iMsgType; |
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210 TRemConAddress iRemConAddress; |
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211 CBTAudioPlayerControlListener *iPlayerControlListener; |
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212 CBmbCmdListener *iListener; |
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213 |
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214 TBool iConnIndicated; |
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215 }; |
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216 |
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217 |
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218 #endif // BTASBAUDIOSERVICEPLUGIN_H |