1 // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // |
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15 |
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16 #include "avrcpcommand.h" |
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17 #include "avrcplog.h" |
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18 |
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19 CAvrcpCommand::CAvrcpCommand(TUint aRemConId, |
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20 SymbianAvctp::TTransactionLabel aTransactionLabel, |
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21 const TBTDevAddr& aAddr) |
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22 : iRemConId(aRemConId) |
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23 , iTransactionLabel(aTransactionLabel) |
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24 , iRemoteAddr(aAddr) |
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25 { |
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26 LOG_FUNC |
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27 } |
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28 |
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29 //------------------------------------------------------------------------------------ |
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30 // Called by handlers, router and bearer |
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31 //------------------------------------------------------------------------------------ |
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32 |
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33 /** Decrement the users of this command. |
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34 |
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35 This must be called by users of the command when they |
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36 no longer require the command to remain in existence. |
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37 When the number of users reaches zero, the command |
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38 is deleted. |
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39 */ |
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40 void CAvrcpCommand::DecrementUsers() |
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41 { |
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42 LOG_FUNC |
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43 if(--iUsers < 1) |
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44 { |
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45 iHandlingLink.Deque(); |
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46 delete this; |
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47 } |
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48 } |
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49 |
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50 /** Increment the users of this command. |
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51 |
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52 This must be called by users of the command to signify |
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53 they require it to remain in existence. |
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54 */ |
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55 void CAvrcpCommand::IncrementUsers() |
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56 { |
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57 LOG_FUNC |
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58 iUsers++; |
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59 } |
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60 |
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61 //------------------------------------------------------------------------------------ |
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62 // Called by bearer |
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63 //------------------------------------------------------------------------------------ |
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64 |
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65 /** Get info needed by RemCon for this command. |
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66 |
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67 @param aInterfaceUid On return, the RemCon interface of this command. |
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68 @param aId On return, the RemCon transaction id of this command. |
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69 @param aOperationId On return, the RemCon operation id of this command. |
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70 @param aCommandData On return, the command data for this operation. |
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71 Ownership is returned. |
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72 @param aAddr On return, the originating device for this command. |
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73 */ |
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74 void CAvrcpCommand::GetCommandInfo(TUid& aInterfaceUid, |
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75 TUint& aId, |
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76 TUint& aOperationId, |
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77 RBuf8& aCommandData, |
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78 TBTDevAddr& aAddr) |
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79 { |
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80 LOG_FUNC |
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81 aInterfaceUid = iInterfaceUid; |
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82 aId = iRemConId; |
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83 aOperationId = iOperationId; |
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84 |
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85 // RemCon will take ownership of command data |
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86 aCommandData.Assign(iCommandData); |
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87 iCommandData.Assign(NULL); |
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88 |
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89 aAddr = iRemoteAddr; |
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90 } |
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91 |
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92 //------------------------------------------------------------------------------------ |
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93 // Called by handlers |
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94 //------------------------------------------------------------------------------------ |
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95 |
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96 /** Gets the remote associated with this command. |
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97 This may be the source or the destination, depending |
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98 on if the originated locally or remotely. |
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99 |
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100 @return The BT address of the remote device. |
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101 */ |
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102 const TBTDevAddr& CAvrcpCommand::RemoteAddress() const |
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103 { |
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104 LOG_FUNC |
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105 return iRemoteAddr; |
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106 } |
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107 |
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108 /** Gets the AVCTP transaction label for this command. |
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109 This is used to match commands with responses. |
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110 |
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111 @return The AVCTP transaction label for this command. |
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112 */ |
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113 SymbianAvctp::TTransactionLabel CAvrcpCommand::TransactionLabel() const |
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114 { |
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115 LOG_FUNC |
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116 return iTransactionLabel; |
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117 } |
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118 |
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119 /** Gets the RemCon id of this command. |
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120 This is used to uniquely identify a transaction to RemCon. |
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121 |
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122 @return The RemCon command id. |
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123 */ |
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124 TUint CAvrcpCommand::RemConCommandId() const |
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125 { |
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126 LOG_FUNC |
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127 return iRemConId; |
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128 } |
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129 |
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130 /** Gets the RemCon interface uid of this command. |
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131 |
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132 This is used with the operation id to uniquely identify an operation to RemCon. |
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133 |
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134 @param aOperation |
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135 @return The RemCon operation id. |
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136 */ |
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137 const TUid& CAvrcpCommand::RemConInterfaceUid() const |
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138 { |
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139 LOG_FUNC |
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140 return iInterfaceUid; |
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141 } |
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142 |
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143 /** Gets the RemCon operation id of this command. |
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144 |
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145 This is used with the interface uid to uniquely identify an operation to RemCon. |
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146 |
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147 @param aOperation |
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148 @return The RemCon operation id. |
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149 */ |
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150 TUint CAvrcpCommand::RemConOperationId() const |
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151 { |
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152 LOG_FUNC |
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153 return iOperationId; |
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154 } |
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155 |
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156 |
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157 /** |
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158 Whether the Bearer is aware of this command. If not we shouldn't |
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159 inform the bearer of responses. |
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160 */ |
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161 TBool CAvrcpCommand::KnownToBearer() const |
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162 { |
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163 return iKnownToBearer; |
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164 } |
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