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1 /* |
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2 * Copyright (c) 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: Telephony Multimedia Service |
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15 * |
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16 */ |
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17 |
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18 #include <tms.h> |
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19 #include <tmsbuffer.h> |
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20 #include "tmsutility.h" |
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21 #include "tmsshared.h" |
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22 #include "tmsqueuehandler.h" |
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23 #include "tmsmembuffer.h" |
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24 #include "tmsglobalcontext.h" |
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25 #include "tmscallproxy.h" |
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26 |
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27 using namespace TMS; |
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28 |
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29 // ---------------------------------------------------------------------------- |
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30 // CQueueHandler::NewL |
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31 // Symbian constructor |
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32 // ---------------------------------------------------------------------------- |
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33 // |
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34 CQueueHandler* CQueueHandler::NewL(RMsgQueue<TmsMsgBuf>* aMsgQueue, |
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35 TMSGlobalContext* glblCtx) |
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36 { |
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37 CQueueHandler* self = new (ELeave) CQueueHandler(aMsgQueue, glblCtx); |
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38 CleanupStack::PushL(self); |
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39 self->ConstructL(); |
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40 CleanupStack::Pop(self); |
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41 return self; |
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42 } |
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43 |
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44 // ---------------------------------------------------------------------------- |
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45 // CQueueHandler::ConstructL |
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46 // Second phase constructor. |
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47 // ---------------------------------------------------------------------------- |
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48 // |
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49 void CQueueHandler::ConstructL() |
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50 { |
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51 } |
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52 |
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53 // ---------------------------------------------------------------------------- |
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54 // CQueueHandler::~CQueueHandler |
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55 // Destructor. |
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56 // ---------------------------------------------------------------------------- |
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57 // |
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58 CQueueHandler::~CQueueHandler() |
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59 { |
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60 Cancel(); |
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61 iObserversList.Reset(); |
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62 iClientList.Reset(); |
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63 iChunk.Close(); |
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64 delete iBuffer; |
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65 } |
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66 |
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67 // ---------------------------------------------------------------------------- |
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68 // CQueueHandler::CQueueHandler |
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69 // Constructor. |
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70 // ---------------------------------------------------------------------------- |
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71 // |
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72 CQueueHandler::CQueueHandler(RMsgQueue<TmsMsgBuf>* aMsgQueue, |
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73 TMSGlobalContext* glblCtx) : |
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74 CActive(CActive::EPriorityStandard), |
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75 iMsgQueue(aMsgQueue), |
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76 iChunkDataPtr(0, 0, 0) |
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77 { |
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78 CActiveScheduler::Add(this); |
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79 iTMSGlobalContext = glblCtx; |
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80 } |
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81 |
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82 // ---------------------------------------------------------------------------- |
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83 // CQueueHandler::Start |
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84 // Start listening for events on queue 0. |
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85 // ---------------------------------------------------------------------------- |
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86 // |
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87 void CQueueHandler::Start() |
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88 { |
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89 if (!IsActive() && iMsgQueue) |
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90 { |
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91 iMsgQueue->NotifyDataAvailable(iStatus); |
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92 SetActive(); |
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93 } |
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94 } |
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95 |
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96 TInt CQueueHandler::AddObserver(MQueueHandlerObserver& aObserver, |
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97 TInt aClientId) |
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98 { |
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99 // Add to list if observer is not already added |
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100 TInt status = iObserversList.Find(&aObserver); |
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101 if (status == KErrNotFound) |
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102 { |
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103 status = iObserversList.Append(&aObserver); |
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104 status = iClientList.Append(aClientId); |
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105 } |
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106 else |
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107 { |
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108 status = KErrAlreadyExists; |
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109 } |
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110 return status; |
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111 } |
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112 |
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113 // Marks observer as inactive in the list |
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114 TInt CQueueHandler::RemoveObserver(MQueueHandlerObserver& aObserver) |
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115 { |
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116 TInt status(KErrNone); |
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117 TInt index = iObserversList.Find(&aObserver); |
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118 // If found status has index to observer in the array |
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119 // else it would contain KErrNotFound |
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120 if (index >= 0) |
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121 { |
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122 iObserversList.Remove(index); |
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123 iClientList.Remove(index); |
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124 status = KErrNone; |
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125 } |
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126 else |
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127 { |
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128 status = KErrNotFound; |
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129 } |
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130 return status; |
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131 } |
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132 |
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133 // ---------------------------------------------------------------------------- |
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134 // CQueueHandler::DoCancel |
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135 // Cancel outstanding request |
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136 // ---------------------------------------------------------------------------- |
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137 // |
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138 void CQueueHandler::DoCancel() |
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139 { |
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140 if (iMsgQueue) |
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141 { |
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142 iMsgQueue->CancelDataAvailable(); |
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143 } |
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144 } |
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145 |
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146 // ---------------------------------------------------------------------------- |
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147 // CQueueHandler::RunL |
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148 // Process requests. |
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149 // ---------------------------------------------------------------------------- |
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150 // |
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151 void CQueueHandler::RunL() |
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152 { |
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153 TmsMsgBuf msgBuf; |
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154 TInt err = KErrNone; |
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155 |
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156 if (iMsgQueue) |
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157 { |
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158 iMsgQueue->Receive(msgBuf); |
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159 } |
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160 else |
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161 { |
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162 err = KErrGeneral; |
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163 } |
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164 |
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165 // Start monitoring for more events before calling the observer as client |
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166 // may decide to destroy us before this RunL completes executing. |
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167 Start(); |
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168 |
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169 if (err == KErrNone) |
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170 { |
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171 switch (msgBuf.iRequest) |
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172 { |
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173 case ECmdDownlinkInitComplete: |
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174 case ECmdUplinkInitComplete: |
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175 case ECmdDownlinkDeInitComplete: |
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176 case ECmdUplinkDeInitComplete: |
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177 case ECmdDownlinkStarted: |
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178 case ECmdUplinkStarted: |
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179 case ECmdDownlinkPaused: |
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180 case ECmdUplinkPaused: |
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181 { |
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182 TInt index = FindStreamInList(); |
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183 if (index != KErrNotFound) |
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184 { |
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185 TMSStreamState streamstate = ConvertToStreamState( |
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186 msgBuf.iRequest); |
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187 iObserversList[index]->QueueEvent(streamstate, |
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188 msgBuf.iStatus, NULL); |
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189 } |
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190 else |
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191 { |
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192 // This should never happen |
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193 err = KErrNotFound; |
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194 } |
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195 break; |
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196 } |
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197 case ECmdFillBuffer: |
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198 { |
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199 DoFillBuffer(msgBuf.iInt, msgBuf.iStatus, msgBuf.iBool, |
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200 msgBuf.iUint32); |
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201 break; |
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202 } |
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203 case ECmdEmptyBuffer: |
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204 { |
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205 DoEmptyBuffer(msgBuf.iInt, msgBuf.iStatus, msgBuf.iBool, |
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206 msgBuf.iUint32); |
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207 break; |
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208 } |
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209 case ECmdDownlinkClosed: |
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210 { |
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211 iChunk.Close(); |
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212 break; |
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213 } |
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214 case ECmdUplinkClosed: |
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215 { |
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216 iChunk.Close(); |
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217 break; |
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218 } |
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219 case ECmdDnLinkError: |
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220 { |
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221 break; |
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222 } |
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223 case ECmdUpLinkError: |
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224 { |
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225 break; |
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226 } |
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227 case ECmdSetGain: |
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228 { |
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229 TInt index = FindGainEffectInList(); |
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230 if (index != KErrNotFound) |
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231 { |
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232 iObserversList[index]->QueueEvent(TMS_EVENT_EFFECT_GAIN_CHANGED, |
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233 msgBuf.iStatus, NULL); |
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234 } |
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235 } |
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236 break; |
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237 case ECmdSetVolume: |
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238 { |
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239 TInt index = FindVolEffectInList(); |
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240 if (index != KErrNotFound) |
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241 { |
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242 iObserversList[index]->QueueEvent(TMS_EVENT_EFFECT_VOL_CHANGED, |
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243 msgBuf.iStatus, NULL); |
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244 } |
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245 } |
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246 break; |
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247 default: |
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248 break; |
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249 } |
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250 } |
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251 } |
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252 |
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253 // ---------------------------------------------------------------------------- |
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254 // CQueueHandler::DoFillBuffer |
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255 // |
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256 // ---------------------------------------------------------------------------- |
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257 // |
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258 void CQueueHandler::DoFillBuffer(TInt aBufLen, TInt aStatus, |
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259 TBool aOpenChunk, TUint32 key) |
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260 { |
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261 TInt err = KErrNone; |
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262 |
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263 // See if chunk needs to be opened |
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264 if (aOpenChunk) |
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265 { |
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266 if (iChunk.Handle()) |
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267 { |
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268 iChunk.Close(); |
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269 } |
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270 delete iBuffer; |
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271 iBuffer = NULL; |
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272 |
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273 // Get handle to chunk from proxy |
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274 TInt hndl(0); |
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275 err = KErrNotReady; |
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276 if (iTMSGlobalContext->CallProxy) |
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277 { |
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278 hndl = (iTMSGlobalContext->CallProxy)->GetDataXferChunkHandle( |
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279 iTMSGlobalContext->CallType, |
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280 iTMSGlobalContext->StreamType, |
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281 iTMSGlobalContext->StreamId, |
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282 key); |
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283 err = iChunk.SetReturnedHandle(hndl); |
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284 } |
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285 } |
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286 |
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287 if (err == KErrNone) |
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288 { |
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289 iChunkDataPtr.Set(iChunk.Base(), 0, aBufLen); |
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290 if (!iBuffer) |
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291 { |
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292 TMSMemBuffer::Create((guint) aBufLen, |
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293 const_cast<guint8*> (iChunkDataPtr.Ptr()), iBuffer); |
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294 } |
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295 iBuffer->SetDataSize(aBufLen); |
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296 |
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297 TInt index = iClientList.Find(TMS_SOURCE_CLIENT); |
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298 if (index != KErrNotFound) |
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299 { |
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300 iObserversList[index]->QueueEvent( |
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301 TMS_EVENT_SOURCE_FILL_BUFFER, aStatus, iBuffer); |
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302 } |
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303 else |
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304 { |
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305 err = KErrNotFound; |
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306 } |
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307 } |
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308 else |
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309 { |
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310 // TODO handle error here |
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311 } |
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312 } |
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313 |
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314 // ---------------------------------------------------------------------------- |
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315 // CQueueHandler::DoEmptyBuffer |
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316 // |
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317 // ---------------------------------------------------------------------------- |
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318 // |
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319 void CQueueHandler::DoEmptyBuffer(TInt aBufLen, TInt aStatus, |
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320 TBool aOpenChunk, TUint32 key) |
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321 { |
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322 TInt err(KErrNone); |
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323 |
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324 // See if chunk needs to be opened |
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325 if (aOpenChunk) |
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326 { |
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327 if (iChunk.Handle()) |
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328 { |
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329 iChunk.Close(); |
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330 } |
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331 |
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332 // Get handle to chunk from proxy |
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333 TInt hndl(0); |
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334 err = KErrNotReady; |
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335 if (iTMSGlobalContext->CallProxy) |
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336 { |
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337 hndl = (iTMSGlobalContext->CallProxy)->GetDataXferChunkHandle( |
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338 iTMSGlobalContext->CallType, |
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339 iTMSGlobalContext->StreamType, |
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340 iTMSGlobalContext->StreamId, |
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341 key); |
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342 err = iChunk.SetReturnedHandle(hndl); |
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343 } |
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344 // TODO handle error here |
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345 delete iBuffer; |
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346 iBuffer = NULL; |
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347 } |
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348 |
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349 if (err == KErrNone) |
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350 { |
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351 iChunkDataPtr.Set(iChunk.Base(), aBufLen, aBufLen); |
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352 if (!iBuffer) |
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353 { |
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354 TMSMemBuffer::Create((guint) aBufLen, |
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355 const_cast<guint8*> (iChunkDataPtr.Ptr()), iBuffer); |
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356 } |
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357 iBuffer->SetDataSize(aBufLen); |
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358 TInt index = iClientList.Find(TMS_SINK_CLIENT); |
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359 if (index != KErrNotFound) |
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360 { |
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361 iObserversList[index]->QueueEvent( |
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362 TMS_EVENT_SINK_PROCESS_BUFFER, aStatus, iBuffer); |
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363 } |
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364 else |
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365 { |
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366 err = KErrNotFound; |
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367 } |
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368 } |
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369 else |
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370 { |
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371 //iObserver->Event(MVoIPUplinkObserver::KUplinkError, aStatus); |
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372 } |
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373 } |
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374 |
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375 // ---------------------------------------------------------------------------- |
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376 // CQueueHandler::ConvertToStreamState |
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377 // |
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378 // ---------------------------------------------------------------------------- |
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379 // |
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380 TMSStreamState CQueueHandler::ConvertToStreamState(TInt request) |
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381 { |
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382 TMSStreamState state = TMS_STREAM_UNINITIALIZED; |
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383 switch (request) |
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384 { |
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385 case ECmdDownlinkInitComplete: |
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386 case ECmdUplinkInitComplete: |
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387 state = TMS_STREAM_INITIALIZED; |
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388 break; |
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389 case ECmdDownlinkStarted: |
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390 case ECmdUplinkStarted: |
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391 state = TMS_STREAM_STARTED; |
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392 break; |
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393 case ECmdDownlinkPaused: |
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394 case ECmdUplinkPaused: |
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395 state = TMS_STREAM_PAUSED; |
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396 break; |
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397 case ECmdDownlinkDeInitComplete: |
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398 case ECmdUplinkDeInitComplete: |
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399 state = TMS_STREAM_UNINITIALIZED; |
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400 break; |
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401 default: |
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402 break; |
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403 } |
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404 return state; |
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405 } |
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406 |
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407 // ---------------------------------------------------------------------------- |
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408 // CQueueHandler::RunError |
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409 // Process requests. |
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410 // ---------------------------------------------------------------------------- |
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411 // |
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412 TInt CQueueHandler::RunError(TInt /*aError*/) |
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413 { |
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414 // Current implementation of RunL does not leave |
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415 return 0; |
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416 } |
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417 |
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418 // ---------------------------------------------------------------------------- |
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419 // CQueueHandler::Status |
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420 // Return request status. |
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421 // ---------------------------------------------------------------------------- |
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422 // |
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423 TRequestStatus* CQueueHandler::Status() |
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424 { |
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425 return &iStatus; |
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426 } |
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427 |
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428 // ---------------------------------------------------------------------------- |
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429 // CQueueHandler::FindStreamInList |
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430 // Return stream index. |
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431 // ---------------------------------------------------------------------------- |
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432 // |
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433 TInt CQueueHandler::FindStreamInList() |
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434 { |
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435 gint index(-1); |
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436 index = iClientList.Find(TMS_STREAM_UPLINK); |
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437 if (index == KErrNotFound) |
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438 { |
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439 index = iClientList.Find(TMS_STREAM_DOWNLINK); |
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440 return index; |
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441 } |
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442 return index; |
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443 } |
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444 |
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445 // ---------------------------------------------------------------------------- |
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446 // CQueueHandler::FindGainEffectInList |
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447 // Return effect index. |
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448 // ---------------------------------------------------------------------------- |
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449 // |
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450 TInt CQueueHandler::FindGainEffectInList() |
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451 { |
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452 gint index(-1); |
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453 index = iClientList.Find(TMS_EFFECT_GAIN); |
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454 return index; |
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455 } |
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456 |
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457 // ---------------------------------------------------------------------------- |
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458 // CQueueHandler::FindVolEffectInList |
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459 // Return effect index. |
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460 // ---------------------------------------------------------------------------- |
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461 // |
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462 TInt CQueueHandler::FindVolEffectInList() |
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463 { |
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464 gint index(-1); |
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465 index = iClientList.Find(TMS_EFFECT_VOLUME); |
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466 return index; |
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467 } |
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468 |
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469 // End of File |