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 "mediabrowse.h" |
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17 #include "avrcputils.h" |
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18 #include "commandhandlerinterface.h" |
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19 #include "internalcommand.h" |
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20 #include "mediabrowse.h" |
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21 #include "playerstatewatcher.h" |
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22 #include "remconcommandinterface.h" |
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23 #include "avrcplog.h" |
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24 #include "playerinformation.h" |
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25 |
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26 CPlayerWatcherBase::CPlayerWatcherBase(MRemConCommandInterface& aCommandInterface) |
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27 : iCommandInterface(aCommandInterface), iCommands() |
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28 { |
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29 LOG_FUNC; |
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30 } |
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31 |
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32 CPlayerWatcherBase::~CPlayerWatcherBase() |
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33 { |
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34 LOG_FUNC; |
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35 } |
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36 |
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37 void CPlayerWatcherBase::StopWatchingPlayer(TRemConClientId aClientId) |
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38 { |
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39 LOG_FUNC; |
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40 CInternalCommand** cmdPtr = iCommands.Find(aClientId); |
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41 if (cmdPtr) // This may be NULL if we've already stopped watching the player as a result of reciving a reject |
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42 { |
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43 CInternalCommand* cmd = *cmdPtr; |
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44 |
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45 TUint transId = cmd->RemConCommandId(); |
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46 iCommandInterface.MrcciCommandExpired(transId); |
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47 |
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48 iCommands.Remove(aClientId); |
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49 cmd->DecrementUsers(); |
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50 } |
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51 } |
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52 |
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53 void CPlayerWatcherBase::MessageSent(CAvrcpCommand& /*aCommand*/, TInt /*aSendResult*/) |
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54 { |
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55 LOG_FUNC; |
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56 __DEBUG_ONLY(AVRCP_PANIC(ELowerInterfaceUsedOnInternalHandler)); |
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57 } |
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58 |
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59 void CPlayerWatcherBase::MaxPacketSize(TInt /*aMtu*/) |
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60 { |
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61 LOG_FUNC; |
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62 __DEBUG_ONLY(AVRCP_PANIC(ELowerInterfaceUsedOnInternalHandler)); |
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63 } |
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64 |
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65 void CPlayerWatcherBase::ReceiveCommandL(const TDesC8& /*aMessageInformation*/, SymbianAvctp::TTransactionLabel /*aTransLabel*/, const TBTDevAddr& /*aAddr*/) |
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66 { |
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67 LOG_FUNC; |
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68 __DEBUG_ONLY(AVRCP_PANIC(ELowerInterfaceUsedOnInternalHandler)); |
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69 } |
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70 |
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71 CInternalCommand& CPlayerWatcherBase::FindCommand(TUid __DEBUG_ONLY(aInterfaceUid), |
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72 TUint aTransactionId, TRemConClientId& aFoundClientId) |
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73 { |
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74 __ASSERT_DEBUG(aInterfaceUid == TUid::Uid(KRemConPlayerInformationUid) || aInterfaceUid == TUid::Uid(KRemConMediaBrowseApiUid), AVRCP_PANIC(EResponseForWrongInterface)); |
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75 THashMapIter<TRemConClientId, CInternalCommand*> commandIter(iCommands); |
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76 |
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77 CInternalCommand* command = NULL; |
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78 while(commandIter.NextValue()) |
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79 { |
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80 command = *commandIter.CurrentValue(); |
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81 if(command->RemConCommandId() == aTransactionId) |
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82 { |
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83 aFoundClientId = *commandIter.CurrentKey(); |
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84 break; |
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85 } |
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86 } |
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87 |
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88 // If command is NULL we reached the end of our iter without finding the match |
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89 __ASSERT_DEBUG(command, AVRCP_PANIC(EUnmatchedResponseFromRemCon)); |
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90 |
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91 return *command; |
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92 } |
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93 |
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94 TInt CPlayerWatcherBase::SendRemConResponse(TUid aInterfaceUid, TUint aTransactionId, RBuf8& aData) |
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95 { |
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96 LOG_FUNC; |
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97 |
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98 TRemConClientId clientId; |
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99 CInternalCommand& command = FindCommand(aInterfaceUid, aTransactionId, clientId); |
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100 |
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101 ReceiveUpdate(command, clientId, aData); |
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102 |
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103 return KErrNone; |
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104 } |
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105 |
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106 void CPlayerWatcherBase::SendReject(TUid aInterfaceUid, TUint aTransactionId) |
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107 { |
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108 TRemConClientId clientId; |
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109 (void)FindCommand(aInterfaceUid, aTransactionId, clientId); |
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110 |
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111 ReceiveReject(clientId); |
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112 } |
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113 |
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114 void CPlayerWatcherBase::Disconnect() |
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115 { |
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116 LOG_FUNC; |
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117 } |
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118 |
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119 CPlayStatusWatcher* CPlayStatusWatcher::NewL(MPlayStatusObserver& aObserver, MRemConCommandInterface& aCommandInterface) |
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120 { |
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121 LOG_STATIC_FUNC; |
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122 CPlayStatusWatcher* watcher = new(ELeave)CPlayStatusWatcher(aObserver, aCommandInterface); |
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123 return watcher; |
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124 } |
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125 |
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126 CPlayStatusWatcher::CPlayStatusWatcher(MPlayStatusObserver& aObserver, |
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127 MRemConCommandInterface& aCommandInterface) |
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128 : CPlayerWatcherBase(aCommandInterface), iObserver(aObserver) |
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129 { |
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130 LOG_FUNC; |
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131 } |
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132 |
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133 CPlayStatusWatcher::~CPlayStatusWatcher() |
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134 { |
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135 LOG_FUNC; |
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136 } |
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137 |
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138 void CPlayStatusWatcher::StartWatchingPlayerL(TRemConClientId aClientId) |
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139 { |
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140 LOG_FUNC; |
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141 __ASSERT_DEBUG(!iCommands.Find(aClientId), AVRCP_PANIC(EAlreadyWatchingPlayer)); |
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142 |
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143 CInternalCommand* command = CInternalCommand::NewL(TUid::Uid(KRemConPlayerInformationUid), |
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144 0, |
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145 EGetPlayStatusUpdate, |
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146 KNullDesC8); |
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147 |
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148 CleanupStack::PushL(command); |
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149 iCommands.InsertL(aClientId, command); |
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150 CleanupStack::Pop(command); |
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151 command->IncrementUsers(); |
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152 |
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153 // Initially request uid notification relative to stopped |
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154 SendPlayStatusUpdateRequest(*command, aClientId, MPlayerEventsObserver::EStopped); |
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155 } |
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156 |
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157 void CPlayStatusWatcher::SendPlayStatusUpdateRequest(CInternalCommand& aCommand, TRemConClientId& aClientId, MPlayerEventsObserver::TPlaybackStatus aPlaybackStatus) |
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158 { |
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159 LOG_FUNC; |
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160 |
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161 RRemConPlayerInformationGetPlayStatusUpdateRequest request; |
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162 request.iStatus = aPlaybackStatus; |
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163 |
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164 TBuf8<sizeof(MPlayerEventsObserver::TPlaybackStatus)> buf; |
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165 TRAPD(err, request.WriteL(buf)); |
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166 |
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167 // We know how big the request is so this should never fail |
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168 __ASSERT_DEBUG(err == KErrNone, AVRCP_PANIC(EUidUpdateRequestWriteFailure)); |
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169 |
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170 TUint transId = iCommandInterface.MrcciNewTransactionId(); |
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171 TRAP(err, aCommand.ResetL(transId, buf)); |
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172 |
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173 if(err == KErrNone) |
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174 { |
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175 iCommandInterface.MrcciNewCommand(aCommand, aClientId); |
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176 } |
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177 else |
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178 { |
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179 // Doom |
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180 iObserver.MpsoError(aClientId); |
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181 } |
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182 } |
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183 |
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184 void CPlayStatusWatcher::ReceiveUpdate(CInternalCommand& aCommand, TRemConClientId aClientId, RBuf8& aData) |
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185 { |
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186 LOG_FUNC; |
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187 |
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188 // Read 4 byte Big-Endian error code before the payload |
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189 RAvrcpIPCError errorResponse; |
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190 TRAPD(err, errorResponse.ReadL(aData)); |
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191 err = err ? err : errorResponse.iError; |
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192 |
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193 RRemConPlayerInformationGetPlayStatusUpdateResponse response; |
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194 if(!err) |
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195 { |
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196 // Parse the rest of the response (minus error code) |
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197 TRAP(err, response.ReadL(aData.RightTPtr(aData.Length() - KLengthErrorResponse))); |
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198 } |
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199 |
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200 aData.Close(); // data has been used now |
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201 |
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202 if(!err) |
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203 { |
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204 iObserver.MpsoPlayStatusChanged(aClientId, response.iStatus); |
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205 SendPlayStatusUpdateRequest(aCommand, aClientId, response.iStatus); |
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206 } |
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207 else |
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208 { |
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209 // Should never get here with a valid player. This client is |
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210 // sending us junk. |
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211 iObserver.MpsoError(aClientId); |
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212 } |
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213 } |
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214 |
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215 void CPlayStatusWatcher::ReceiveReject(TRemConClientId aClientId) |
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216 { |
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217 LOG_FUNC; |
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218 iObserver.MpsoError(aClientId); |
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219 } |
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220 |
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221 CUidWatcher* CUidWatcher::NewL(MUidObserver& aObserver, |
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222 MRemConCommandInterface& aCommandInterface) |
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223 { |
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224 LOG_STATIC_FUNC; |
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225 CUidWatcher* watcher = new(ELeave)CUidWatcher(aObserver, aCommandInterface); |
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226 return watcher; |
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227 } |
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228 |
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229 CUidWatcher::CUidWatcher(MUidObserver& aObserver, |
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230 MRemConCommandInterface& aCommandInterface) |
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231 : CPlayerWatcherBase(aCommandInterface), iObserver(aObserver) |
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232 { |
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233 LOG_FUNC; |
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234 } |
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235 |
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236 CUidWatcher::~CUidWatcher() |
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237 { |
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238 LOG_FUNC; |
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239 } |
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240 |
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241 void CUidWatcher::StartWatchingPlayerL(TRemConClientId aClientId) |
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242 { |
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243 LOG_FUNC; |
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244 __ASSERT_DEBUG(!iCommands.Find(aClientId), AVRCP_PANIC(EAlreadyWatchingPlayer)); |
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245 |
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246 CInternalCommand* command = CInternalCommand::NewL(TUid::Uid(KRemConMediaBrowseApiUid), |
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247 0, |
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248 EMediaLibraryStateCookieUpdateOperationId, |
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249 KNullDesC8); |
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250 |
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251 CleanupStack::PushL(command); |
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252 iCommands.InsertL(aClientId, command); |
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253 CleanupStack::Pop(command); |
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254 command->IncrementUsers(); |
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255 |
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256 // Initially request uid notification relative to 0 uid counter |
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257 SendUidUpdateRequest(*command, aClientId, 0); |
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258 } |
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259 |
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260 void CUidWatcher::SendUidUpdateRequest(CInternalCommand& aCommand, TRemConClientId& aClientId, TUint16 aUidCounter) |
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261 { |
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262 LOG_FUNC; |
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263 RRemConUidsChangedRequest request; |
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264 request.iInitialUidCounter = aUidCounter; |
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265 TBuf8<sizeof(TUint16)> buf; |
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266 TRAPD(err, request.WriteL(buf)); |
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267 // We know how big the request is so this should never fail |
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268 __ASSERT_DEBUG(err == KErrNone, AVRCP_PANIC(EUidUpdateRequestWriteFailure)); |
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269 |
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270 TUint transId = iCommandInterface.MrcciNewTransactionId(); |
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271 TRAP(err, aCommand.ResetL(transId, buf)); |
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272 |
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273 if(err == KErrNone) |
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274 { |
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275 iCommandInterface.MrcciNewCommand(aCommand, aClientId); |
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276 } |
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277 else |
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278 { |
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279 // Doom |
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280 iObserver.MuoError(aClientId); |
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281 } |
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282 } |
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283 |
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284 void CUidWatcher::ReceiveUpdate(CInternalCommand& aCommand, TRemConClientId aClientId, RBuf8& aData) |
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285 { |
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286 LOG_FUNC; |
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287 RRemConUidsChangedResponse response; |
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288 TRAPD(err, response.ReadL(aData)); |
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289 aData.Close(); // data has been used now |
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290 |
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291 if(!err) |
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292 { |
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293 iObserver.MuoUidChanged(aClientId, response.iUidCounter); |
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294 SendUidUpdateRequest(aCommand, aClientId, response.iUidCounter); |
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295 } |
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296 else |
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297 { |
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298 // Should never get here with a valid player. This client is |
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299 // sending us junk. |
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300 iObserver.MuoError(aClientId); |
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301 } |
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302 } |
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303 |
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304 void CUidWatcher::ReceiveReject(TRemConClientId aClientId) |
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305 { |
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306 LOG_FUNC; |
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307 iObserver.MuoError(aClientId); |
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308 } |
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309 |
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310 |
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311 |
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