1 /* |
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2 * Copyright (c) 2006-2007 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: Maintain a Bluetooth devices data model for UI components. |
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15 * |
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16 */ |
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17 |
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18 #include "btdevice.h" |
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19 #include "btdevmodelbase.h" |
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20 #include <btengutil.h> |
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21 #include "debug.h" |
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22 #include "btui.h" |
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23 #include "btregistryobserver.h" |
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24 |
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25 // -------------------------------------------------------------------------------------------- |
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26 // 1st phaze constructor |
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27 // -------------------------------------------------------------------------------------------- |
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28 CBTDevModelBase::CBTDevModelBase(MBTDeviceObserver* aObserver, TBTDeviceSortOrder* aOrder) |
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29 : iObserver(aObserver) |
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30 { |
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31 TRACE_FUNC_ENTRY |
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32 iSortOrder=aOrder; |
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33 TRACE_FUNC_EXIT |
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34 |
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35 } |
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36 |
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37 // -------------------------------------------------------------------------------------------- |
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38 // Destructor |
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39 // -------------------------------------------------------------------------------------------- |
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40 CBTDevModelBase::~CBTDevModelBase() |
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41 { |
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42 TRACE_FUNC_ENTRY |
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43 delete iRegistryObserver; |
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44 |
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45 for(TInt i=0;i<iDeviceArray.Count();i++) |
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46 delete iDeviceArray[i]; |
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47 iDeviceArray.Close(); |
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48 delete iDevice; |
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49 iDevice=NULL; |
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50 |
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51 for(TInt i=0;i<iQueue.Count();i++) |
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52 delete iQueue[i]; |
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53 iQueue.Close(); |
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54 |
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55 if(iDevMan) |
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56 iDevMan->Cancel(); |
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57 delete iDevMan; |
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58 |
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59 delete iSortOrder; |
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60 TRACE_FUNC_EXIT |
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61 } |
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62 // -------------------------------------------------------------------------------------------- |
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63 // CBTDevModelBase::IsAnyDeviceConnected |
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64 // Allways false, since base class does not support connection |
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65 // -------------------------------------------------------------------------------------------- |
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66 |
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67 TBool CBTDevModelBase::IsAnyDeviceConnected() |
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68 { |
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69 TRACE_FUNC_ENTRY |
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70 return EFalse; |
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71 |
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72 } |
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73 |
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74 // -------------------------------------------------------------------------------------------- |
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75 // CBTDevModelBase::GetDevice |
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76 // -------------------------------------------------------------------------------------------- |
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77 TInt CBTDevModelBase::GetDevice(TBTDevice& aDevice) |
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78 { |
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79 TRACE_FUNC_ENTRY |
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80 TBTDeviceOp op=aDevice.iOperation; |
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81 |
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82 TInt index = GetIndexByAddress(aDevice.iAddr,aDevice.iIndex); |
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83 |
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84 if (index < 0 ) |
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85 { |
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86 if(aDevice.iAddr == KNullAddress ) |
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87 { |
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88 return KErrArgument; |
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89 } |
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90 else |
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91 { |
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92 return KErrNotFound ; |
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93 } |
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94 } |
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95 if(index >= iDeviceArray.Count()) |
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96 return KErrOverflow; |
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97 |
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98 aDevice=*iDeviceArray[index]; |
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99 aDevice.iOperation=op; |
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100 TRACE_FUNC_EXIT |
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101 return KErrNone; |
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102 } |
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103 // -------------------------------------------------------------------------------------------- |
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104 // CBTDevModelBase::ChangeAllDevices |
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105 // -------------------------------------------------------------------------------------------- |
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106 void CBTDevModelBase::ChangeAllDevices(const TBTDeviceOp aOperation) |
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107 { |
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108 TRACE_FUNC_ENTRY |
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109 TInt count = iDeviceArray.Count(); |
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110 |
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111 for (TInt i = 0; i < count; i++) |
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112 { |
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113 //TBTDevice device; |
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114 //device=iDeviceArray[i]; |
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115 //device.iIndex = i; |
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116 //device.iOperation = aOperation; |
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117 //ChangeDevice(device); |
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118 iDeviceArray[i]->iIndex = i; |
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119 iDeviceArray[i]->iOperation = aOperation; |
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120 ChangeDevice(*iDeviceArray[i]); |
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121 } |
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122 TRACE_FUNC_EXIT |
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123 } |
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124 |
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125 // -------------------------------------------------------------------------------------------- |
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126 // CBTDevModelBase::GetIndexByAddress |
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127 // |
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128 // returns the index of the address, if one is not null address. |
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129 // if it is give aNullAdressIndex |
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130 // -------------------------------------------------------------------------------------------- |
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131 TInt CBTDevModelBase::GetIndexByAddress(TBTDevAddr aAddr,TInt aNullAdressIndex) |
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132 { |
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133 TRACE_FUNC_ENTRY |
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134 |
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135 if(aAddr == KNullAddress ) |
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136 { |
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137 TRACE_FUNC_EXIT |
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138 return aNullAdressIndex; |
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139 } |
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140 else |
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141 { |
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142 TInt count = iDeviceArray.Count(); |
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143 TInt i; |
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144 for (i = 0; i < count; i++) |
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145 { |
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146 if (iDeviceArray[i]->iAddr == aAddr) break; |
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147 } |
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148 if(i == count) |
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149 { |
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150 TRACE_FUNC_EXIT |
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151 return KErrNotFound ; |
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152 } |
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153 |
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154 else |
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155 { |
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156 TRACE_FUNC_EXIT |
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157 return i; |
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158 } |
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159 } |
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160 } |
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161 // -------------------------------------------------------------------------------------------- |
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162 // CBTDevModelBase::DoChangeDevice |
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163 // -------------------------------------------------------------------------------------------- |
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164 TInt CBTDevModelBase::DoChangeDeviceL(const TBTDevice& aDevice) |
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165 { |
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166 TRACE_FUNC_ENTRY |
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167 //check that the command in progress has been started |
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168 __ASSERT_DEBUG(iDevice==NULL,PANIC(EBTPanicDevManQueueIsCorrupt)); |
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169 |
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170 TInt index = GetIndexByAddress(aDevice.iAddr, aDevice.iIndex ); |
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171 |
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172 if (index == KErrNotFound) |
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173 { |
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174 TRACE_INFO(_L("index not found")); |
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175 TRACE_FUNC_EXIT |
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176 if (aDevice.iAddr == KNullAddress) |
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177 { |
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178 return KErrArgument; |
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179 } |
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180 else |
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181 { |
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182 return KErrNotFound ; |
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183 } |
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184 } |
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185 if(index >= iDeviceArray.Count()) |
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186 { |
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187 TRACE_INFO((_L("index is %d, max expected is %d"), index, iDeviceArray.Count())); |
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188 TRACE_FUNC_EXIT |
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189 return KErrOverflow; |
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190 } |
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191 |
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192 |
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193 TBTDevice* device = iDeviceArray[index]; |
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194 // store pointer to the indexed TBTDevice |
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195 |
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196 // untrust trusted device to be deleted, and delete it only after that |
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197 if( (device->iStatus & EStatusTrusted ) |
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198 && aDevice.iOperation== EOpUnpair ) |
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199 { |
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200 device=new (ELeave) TBTDevice(*iDeviceArray[index]); |
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201 device->iOperation=EOPInternalUntust; |
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202 iQueue.Insert(device,0); |
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203 TInt rvalue=DoChangeDeviceL(*device); |
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204 TRACE_FUNC_EXIT |
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205 return rvalue; |
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206 } |
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207 |
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208 |
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209 iDevice = new (ELeave) TBTDevice(*device); |
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210 iDevice->iOperation = aDevice.iOperation; |
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211 |
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212 CBTDevice* regDevice = CBTDevice::NewL(iDevice->iAddr); |
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213 |
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214 regDevice->SetPaired( aDevice.iLinkKeyType ); |
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215 |
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216 TBTDeviceSecurity security; |
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217 |
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218 if(aDevice.iOperation != EOpChangeName) |
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219 { |
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220 regDevice->SetDeviceNameL( BTDeviceNameConverter::ToUTF8L( iDevice->iName ) ); |
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221 |
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222 // BTEngDevMan will delete friendly name when modify device if friendly name is not set |
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223 // So if friendly name has been set before, it need to be set again before modify it for |
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224 // any other purpuse e.g change security |
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225 regDevice->SetFriendlyNameL(iDevice->iFriendlyName); |
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226 } |
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227 |
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228 switch (aDevice.iOperation) |
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229 { |
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230 case EOpUntrust: |
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231 case EOPInternalUntust: |
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232 security.SetNoAuthenticate(EFalse); |
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233 security.SetNoAuthorise(EFalse); |
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234 regDevice->SetGlobalSecurity(security); |
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235 UnsetStatusFlags(iDeviceArray[index]->iStatus,EStatusTrusted ); |
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236 break; |
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237 |
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238 case EOpTrust: |
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239 security.SetNoAuthenticate(EFalse); |
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240 security.SetNoAuthorise(ETrue); |
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241 security.SetBanned(EFalse); |
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242 regDevice->SetGlobalSecurity(security); |
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243 |
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244 SetStatusFlags(iDeviceArray[index]->iStatus,EStatusTrusted ); |
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245 break; |
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246 |
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247 case EOpUnblock: |
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248 // unblock may be done to a number of devices. |
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249 // So we want it to happen as quicky as possible |
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250 iRegistryObserver->Cancel(); |
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251 UnsetStatusFlags( iDevice->iStatus,EStatusBlocked ); |
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252 security.SetBanned(EFalse ); |
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253 regDevice->DeleteLinkKey(); |
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254 |
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255 regDevice->SetGlobalSecurity(security); |
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256 break; |
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257 |
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258 case EOpBlock: |
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259 security.SetBanned(ETrue ); |
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260 security.SetNoAuthenticate(EFalse ); |
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261 security.SetNoAuthorise(EFalse); |
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262 regDevice->SetGlobalSecurity(security); |
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263 regDevice->DeleteLinkKey(); |
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264 |
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265 UnsetStatusFlags( iDevice->iStatus,EStatusTrusted ); |
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266 SetStatusFlags( iDevice->iStatus,EStatusBlocked ); |
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267 break; |
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268 |
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269 case EOpUnpair: |
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270 // unpair may be done to a number of devices. |
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271 // So we want it to happen as quicky as possible |
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272 iRegistryObserver->Cancel(); |
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273 regDevice->DeleteLinkKey(); |
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274 |
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275 UnsetStatusFlags(iDevice->iStatus,EStatusPaired); |
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276 security.SetNoAuthenticate(EFalse ); |
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277 security.SetNoAuthorise(EFalse ); |
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278 regDevice->SetGlobalSecurity(security); |
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279 break; |
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280 |
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281 case EOpChangeName: |
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282 if (IsNameExisting(aDevice.iName)) |
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283 { |
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284 delete regDevice; |
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285 regDevice=NULL; |
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286 return KErrAlreadyExists; |
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287 } |
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288 |
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289 regDevice->SetFriendlyNameL(aDevice.iName); |
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290 iDevice->iName = aDevice.iName; |
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291 |
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292 // set iFriendlyName to remember that friendly name has been set |
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293 iDevice->iFriendlyName = aDevice.iName; |
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294 break; |
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295 |
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296 default: |
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297 delete regDevice; |
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298 delete iDevice; |
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299 iDevice=NULL; |
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300 TRACE_FUNC_EXIT |
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301 return KErrNotSupported; |
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302 } |
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303 iDevMan->ModifyDevice(*regDevice); |
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304 delete regDevice; |
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305 |
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306 TRACE_FUNC_EXIT |
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307 return KErrNone; |
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308 } |
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309 // -------------------------------------------------------------------------------------------- |
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310 // CBTDevModelBase::DoChangeDevice |
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311 // -------------------------------------------------------------------------------------------- |
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312 void CBTDevModelBase::DoCancelChangeL(const TBTDevice& /*aDevice*/) |
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313 { |
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314 TRACE_FUNC_ENTRY |
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315 iDevMan->Cancel(); |
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316 TRACE_FUNC_EXIT |
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317 } |
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318 |
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319 // -------------------------------------------------------------------------------------------- |
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320 // CBTDevModelBase::CreateDevice |
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321 // -------------------------------------------------------------------------------------------- |
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322 TBTDevice* CBTDevModelBase::CreateDeviceL(const CBTDevice* aRegDevice, |
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323 TNameEntry* aNameEntry) |
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324 { |
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325 TRACE_FUNC_ENTRY |
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326 TRACE_BDADDR(aRegDevice->BDAddr()); |
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327 TRACE_INFO((_L("CoD %b"), aRegDevice->DeviceClass().DeviceClass())); |
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328 TBTDevice* device = new (ELeave) TBTDevice(); |
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329 if ( aNameEntry ) |
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330 { |
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331 device->iNameEntry = *aNameEntry; |
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332 } |
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333 switch( aRegDevice->DeviceClass().MajorDeviceClass() ) |
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334 { |
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335 case EMajorDeviceComputer: |
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336 device->iType=EDeviceComputer; |
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337 break; |
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338 case EMajorDevicePhone: |
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339 device->iType=EDevicePhone; |
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340 break; |
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341 case EMajorDeviceAudioDevice: |
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342 if ( aRegDevice->DeviceClass().MinorDeviceClass() == EMinorDeviceAVCarAudio || |
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343 aRegDevice->DeviceClass().MinorDeviceClass() == EMinorDeviceAVHandsfree) |
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344 { |
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345 device->iType=EDeviceCarkit; |
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346 } |
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347 else |
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348 { |
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349 device->iType=EDeviceAudio; |
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350 } |
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351 break; |
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352 |
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353 case EMajorDevicePeripheral: |
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354 if ( aRegDevice->DeviceClass().MinorDeviceClass() == EMinorDevicePeripheralKeyboard ) |
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355 { |
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356 device->iType=EDeviceKeyboard; |
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357 } |
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358 else |
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359 { |
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360 |
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361 if ( aRegDevice->DeviceClass().MinorDeviceClass() == EMinorDevicePeripheralPointer ) |
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362 { |
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363 device->iType=EDeviceMice; |
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364 } |
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365 else |
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366 { |
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367 device->iType=EDeviceDefault; |
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368 } |
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369 } |
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370 break; |
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371 |
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372 case EMajorDeviceImaging: |
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373 if ( aRegDevice->DeviceClass().MinorDeviceClass() == EMinorDeviceImagingPrinter ) |
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374 { |
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375 device->iType=EDevicePrinter; |
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376 } |
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377 else |
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378 { |
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379 device->iType=EDeviceDefault; |
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380 } |
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381 break; |
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382 |
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383 default: |
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384 device->iType=EDeviceDefault; |
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385 break; |
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386 } |
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387 device->iAddr = aRegDevice->BDAddr(); |
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388 |
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389 TBTDeviceSecurity security = aRegDevice->GlobalSecurity(); |
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390 |
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391 if(security.Banned() ) |
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392 { |
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393 SetStatusFlags(device->iStatus,EStatusBlocked); |
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394 } |
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395 if( IsUserAwarePaired( aRegDevice->AsNamelessDevice() ) ) |
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396 { |
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397 SetStatusFlags(device->iStatus,EStatusPaired); |
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398 device->iLinkKeyType = aRegDevice->LinkKeyType(); |
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399 } |
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400 if( security.NoAuthorise()) |
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401 SetStatusFlags(device->iStatus,EStatusTrusted); |
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402 if(aRegDevice->FriendlyName().Length() >0) |
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403 { |
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404 device->iName = aRegDevice->FriendlyName(); |
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405 |
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406 // set iFriendlyName to remember that friendly name has been set before in registry |
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407 device->iFriendlyName = aRegDevice->FriendlyName(); |
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408 } |
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409 else |
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410 { |
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411 CleanupStack::PushL(device); |
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412 device->iName = BTDeviceNameConverter::ToUnicodeL(aRegDevice->DeviceName()); |
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413 CleanupStack::Pop(device); |
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414 } |
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415 |
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416 |
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417 device->iDeviceClass=aRegDevice->DeviceClass(); |
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418 TRACE_FUNC_EXIT |
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419 return device; |
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420 } |
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421 // -------------------------------------------------------------------------------------------- |
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422 // CBTDevModelBase::AddDeviceL |
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423 // -------------------------------------------------------------------------------------------- |
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424 void CBTDevModelBase::AddDeviceL(const CBTDevice* aRegDevice, |
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425 TNameEntry* aNameEntry, const TBTDeviceOp aOperation) |
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426 { |
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427 TRACE_FUNC_ENTRY |
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428 TBTDevice* device = CreateDeviceL(aRegDevice, aNameEntry); |
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429 device->iOperation = aOperation; |
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430 // insert it to the RDeviceArray by order |
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431 iDeviceArray.InsertInOrderL(device,*iSortOrder); |
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432 TRACE_FUNC_EXIT |
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433 } |
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434 // -------------------------------------------------------------------------------------------- |
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435 // CBTDevModelBase::CreateDevices |
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436 // -------------------------------------------------------------------------------------------- |
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437 void CBTDevModelBase::CreateDevicesL(const CBTDeviceArray* aDeviceArray) |
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438 { |
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439 TRACE_FUNC_ENTRY |
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440 // clear the old contents of the array |
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441 for(TInt i=0;i<iDeviceArray.Count();i++) |
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442 delete iDeviceArray[i]; |
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443 iDeviceArray.Reset(); |
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444 |
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445 TInt count = aDeviceArray->Count(); |
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446 for (TInt i = 0; i < count; i++) |
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447 { |
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448 // form a TBTDevice for a CBTDevice |
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449 CBTDevice* regDevice = aDeviceArray->At(i); |
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450 HandleNewDeviceL(regDevice, NULL); |
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451 RenumberDeviceArray(); |
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452 } |
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453 TRACE_FUNC_EXIT |
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454 } |
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455 // -------------------------------------------------------------------------------------------- |
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456 // CBTDevModelBase::IsNameExisting |
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457 // -------------------------------------------------------------------------------------------- |
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458 TBool CBTDevModelBase::IsNameExisting(const TDesC& aName) |
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459 { |
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460 TRACE_FUNC_ENTRY |
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461 for (TInt i = 0; i < iDeviceArray.Count(); i++) |
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462 { |
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463 if (iDeviceArray[i]->iName.Compare(aName) == 0) |
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464 { |
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465 return ETrue; |
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466 } |
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467 } |
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468 TRACE_FUNC_EXIT |
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469 return EFalse; |
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470 } |
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471 // -------------------------------------------------------------------------------------------- |
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472 // CBTDevModelBase::RegistryChangedL |
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473 // -------------------------------------------------------------------------------------------- |
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474 void CBTDevModelBase::RegistryChangedL(const CBTDeviceArray* aDeviceArray) |
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475 { |
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476 TRACE_FUNC_ENTRY |
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477 |
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478 // Store the device seleted before refresh |
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479 TInt bSelectedDeviceIndex = KErrNotFound; |
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480 if (iObserver) |
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481 { |
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482 bSelectedDeviceIndex=iObserver->CurrentItemIndex(); |
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483 } |
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484 |
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485 // the selected device before the update |
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486 TBTDevice currentDevice; |
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487 |
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488 if (bSelectedDeviceIndex != KErrNotFound && bSelectedDeviceIndex < iDeviceArray.Count() ) |
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489 { |
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490 currentDevice=*iDeviceArray[bSelectedDeviceIndex]; |
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491 } |
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492 |
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493 CreateDevicesL(aDeviceArray); |
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494 |
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495 TInt newIndex=GetIndexByAddress(currentDevice.iAddr,KErrNotFound); |
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496 if (newIndex==KErrNotFound) |
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497 { |
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498 newIndex= bSelectedDeviceIndex; |
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499 } |
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500 |
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501 newIndex=Min(newIndex,iDeviceArray.Count() -1 ); |
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502 |
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503 // notify the listener about the new list of devices |
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504 SendRefreshIfNoError(KErrNone,newIndex); |
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505 TRACE_FUNC_EXIT |
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506 } |
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507 // ---------------------------------------------------------- |
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508 // CBTDevModelBase::RenumberDeviceArray |
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509 // |
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510 // ReCalculates the indexes of internal array. |
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511 // ---------------------------------------------------------- |
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512 void CBTDevModelBase::RenumberDeviceArray() |
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513 { |
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514 TRACE_FUNC_ENTRY |
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515 for(TInt i=0;i<iDeviceArray.Count();i++) |
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516 { |
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517 iDeviceArray[i]->iIndex=i; |
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518 } |
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519 TRACE_FUNC_EXIT |
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520 } |
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521 //--------------------------------------------------------------------------------------------- |
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522 // from MBTEngDevManObserver for call back on adding, modifying, deleting device completion |
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523 //--------------------------------------------------------------------------------------------- |
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524 void CBTDevModelBase::HandleDevManComplete(TInt aErr) |
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525 { |
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526 TRACE_FUNC_ENTRY |
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527 //command has been succesfully completed. If there is no command but something has |
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528 // completed, something is very wrong. |
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529 __ASSERT_DEBUG(iDevice != NULL || aErr != KErrNone, PANIC(EBTPanicDevManQueueIsCorrupt)); |
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530 __ASSERT_DEBUG(iQueue.Count()>0, PANIC(EBTPanicDevManQueueIsCorrupt)); |
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531 |
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532 RenumberDeviceArray(); |
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533 |
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534 // EOPInternalUntust is untrst before delete. It is not an operation of its own, so no-one is notified about it. |
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535 if(iDevice && iDevice->iOperation== EOPInternalUntust) |
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536 { |
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537 delete(iDevice); |
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538 iDevice=NULL; |
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539 delete iQueue[0]; |
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540 iQueue.Remove(0); |
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541 |
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542 HandleQueue(); |
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543 TRACE_FUNC_EXIT |
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544 return; |
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545 } |
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546 // in case of just paired device the refresh does |
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547 // not work adequately quickly, so we have not refresh the |
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548 // shown devices immediately. |
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549 // |
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550 // If we would not do it, there might be a small window, for |
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551 // answering yes to to question if user wants to trust the |
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552 // device. This would fail, since the device would not |
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553 // be in the list. |
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554 if( aErr == KErrNone && (iDevice->iOperation== EOpTrust || iDevice->iOperation== EOpUntrust )) |
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555 { |
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556 TInt index=GetIndexByAddress(iDevice->iAddr); |
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557 if(index != KErrNotFound) |
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558 { |
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559 if(iDevice->iOperation== EOpTrust ) |
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560 { |
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561 SetStatusFlags(iDeviceArray[index]->iStatus, EStatusTrusted); |
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562 } |
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563 else |
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564 { |
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565 UnsetStatusFlags(iDeviceArray[index]->iStatus, EStatusTrusted); |
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566 } |
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567 |
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568 SendRefreshIfNoError(aErr); |
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569 } |
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570 |
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571 } |
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572 // delete the unpaired and blocked devices from the list |
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573 if( aErr == KErrNone && iDevice && |
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574 (iDevice->iOperation== EOpBlock || iDevice->iOperation== EOpUnpair ) ) |
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575 { |
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576 TInt index=GetIndexByAddress(iDevice->iAddr); |
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577 if(index != KErrNotFound ) |
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578 { |
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579 delete( iDeviceArray[index] ); |
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580 iDeviceArray.Remove(index); |
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581 } |
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582 // do not send refresh if this and the next are unpair/unblock operations. |
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583 // This is meant to hasten the screen refresh, in case of DeleteAll command |
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584 // is issued. |
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585 if( iQueue.Count()>1 && iQueue[1]->iOperation==iDevice->iOperation ) |
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586 { |
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587 |
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588 } |
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589 else |
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590 { |
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591 SendRefreshIfNoError(); |
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592 iRegistryObserver->StartIfNotRunning(); |
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593 //NOTE:It is ok to attempt starting when allready running. |
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594 } |
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595 |
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596 } |
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597 if(iObserver && iDevice) |
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598 iObserver->NotifyChangeDeviceComplete(aErr, *iDevice); |
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599 |
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600 delete(iDevice); |
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601 iDevice=NULL; |
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602 |
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603 iRegistryObserver->Refresh(); |
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604 |
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605 delete iQueue[0]; |
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606 iQueue.Remove(0); |
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607 |
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608 HandleQueue(); |
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609 TRACE_FUNC_EXIT |
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610 } |
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611 |
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612 // --------------------------------------------------------------------- |
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613 // CBTDevModelBase::HandleGetDevicesComplete |
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614 // From MBTEngDevManObserver |
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615 // |
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616 // Devices are received from CBTRegistryObserver, so this is not used. |
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617 // ---------------------------------------------------------------------- |
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618 void CBTDevModelBase::HandleGetDevicesComplete(TInt /*aErr*/, CBTDeviceArray* /*aDeviceArray*/) |
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619 { |
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620 TRACE_FUNC_ENTRY |
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621 |
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622 TRACE_FUNC_EXIT |
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623 } |
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624 |
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625 |
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626 // --------------------------------------------------------------------- |
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627 // CBTDevModelBase::SendRefreshIfNoError |
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628 // --------------------------------------------------------------------- |
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629 void CBTDevModelBase::SendRefreshIfNoError(TInt aErr,TInt selectedItem) |
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630 { |
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631 TRACE_FUNC_ENTRY |
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632 |
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633 //this shouldn't be reached if iObserver is NULL |
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634 __ASSERT_DEBUG(iObserver, PANIC(EBTPanicNullObserver)); |
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635 |
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636 if (selectedItem == KErrNotSupported ) |
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637 { |
|
638 iObserver->RefreshDeviceList( &iDeviceArray , |
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639 Min(iObserver->CurrentItemIndex(),iDeviceArray.Count()-1 ) ); |
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640 } |
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641 else |
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642 { |
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643 if (aErr == KErrNone && iObserver) |
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644 { |
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645 iObserver->RefreshDeviceList( &iDeviceArray, |
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646 Min(selectedItem,iDeviceArray.Count()-1 ) ); |
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647 } |
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648 } |
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649 |
|
650 TRACE_FUNC_EXIT |
|
651 } |
|
652 // --------------------------------------------------------------------- |
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653 // CBTDevModelBase::ChangeDeviceL |
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654 // |
|
655 // puts the change device command into Queue |
|
656 // --------------------------------------------------------------------- |
|
657 void CBTDevModelBase::ChangeDeviceL(const TBTDevice& aDevice) |
|
658 { |
|
659 TRACE_FUNC_ENTRY |
|
660 |
|
661 TBTDevice* device=new(ELeave) TBTDevice(aDevice); |
|
662 CleanupStack::PushL(device); |
|
663 |
|
664 TInt err = GetDevice(*device); |
|
665 if(err!=KErrNone) |
|
666 { |
|
667 CleanupStack::PopAndDestroy(device); |
|
668 User::Leave(err); |
|
669 } |
|
670 |
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671 if(aDevice.iOperation==EOpChangeName) |
|
672 { |
|
673 device->iName=aDevice.iName; |
|
674 } |
|
675 |
|
676 iQueue.Append(device); |
|
677 CleanupStack::Pop(device); |
|
678 if(iQueue.Count() ==1 ) |
|
679 { |
|
680 User::LeaveIfError( DoChangeDeviceL(*iQueue[0]) ); |
|
681 } |
|
682 TRACE_FUNC_EXIT |
|
683 } |
|
684 |
|
685 // --------------------------------------------------------------------- |
|
686 // CBTDevModelBase::ChangeDevice |
|
687 // |
|
688 // Calls the ChangeDeviceL and traps leaves and calls error callback, |
|
689 // if they occur. |
|
690 // --------------------------------------------------------------------- |
|
691 void CBTDevModelBase::ChangeDevice(const TBTDevice& aDevice) |
|
692 { |
|
693 TRACE_FUNC_ENTRY |
|
694 TRAPD(err, |
|
695 ChangeDeviceL(aDevice); |
|
696 ); |
|
697 if(err!=KErrNone) |
|
698 { |
|
699 HandleLeave(err,&aDevice); |
|
700 } |
|
701 TRACE_FUNC_EXIT |
|
702 } |
|
703 |
|
704 // --------------------------------------------------------------------- |
|
705 // CBTDevModelBase::CancelChange |
|
706 // |
|
707 // cancels the change from queue, only calls DoCancelChange, |
|
708 // if the command is actually in progress. |
|
709 // --------------------------------------------------------------------- |
|
710 void CBTDevModelBase::CancelChange(const TBTDevice& aDevice) |
|
711 { |
|
712 TRACE_FUNC_ENTRY |
|
713 // retrieve the device based on index, in |
|
714 // case the address is not filled in. |
|
715 TBTDevice device=aDevice; |
|
716 GetDevice(device); |
|
717 device.iOperation=aDevice.iOperation; |
|
718 |
|
719 // delete any operations to device from queueu |
|
720 if(iQueue.Count()>0 ) |
|
721 { |
|
722 // Before calling DoCancelChangeL check if first operation on the |
|
723 // queue is the one to be cancelled - otherwise crash may occure |
|
724 // as per TSW EMZA-7EUHYE |
|
725 if(iQueue[0]->iAddr== device.iAddr && |
|
726 iQueue[0]->iOperation== device.iOperation ) |
|
727 TRAP_IGNORE(DoCancelChangeL(device)); |
|
728 |
|
729 for (TInt i = iQueue.Count() - 1; i >= 0; i--) |
|
730 { |
|
731 if(iQueue[i]->iAddr== device.iAddr && |
|
732 iQueue[i]->iOperation== device.iOperation ) |
|
733 { |
|
734 delete iQueue[i]; |
|
735 iQueue.Remove(i); |
|
736 } |
|
737 } |
|
738 } |
|
739 // failed cancel is not reported forward. |
|
740 TRACE_FUNC_EXIT |
|
741 } |
|
742 |
|
743 // --------------------------------------------------------------------- |
|
744 // CBTDevModelBase::DeviceChangeInProgress |
|
745 // --------------------------------------------------------------------- |
|
746 TBool CBTDevModelBase::DeviceChangeInProgress() |
|
747 { |
|
748 TRACE_FUNC_ENTRY |
|
749 TRACE_FUNC_EXIT |
|
750 return iQueue.Count() !=0; |
|
751 } |
|
752 |
|
753 // --------------------------------------------------------------------- |
|
754 // CBTDevModelBase::HandleQueue |
|
755 // |
|
756 // Starts executing the next devicechange(if any). |
|
757 // Currently Executed command must be deleted from iQueue and iDevice |
|
758 // (and corresponding places in subclasses), before calling this method. |
|
759 // --------------------------------------------------------------------- |
|
760 |
|
761 void CBTDevModelBase::HandleQueue() |
|
762 { |
|
763 TRACE_FUNC_ENTRY |
|
764 |
|
765 RenumberDeviceArray(); |
|
766 if(iQueue.Count() >0 ) |
|
767 { |
|
768 TRAPD(err2, DoChangeDeviceL(*iQueue[0]); ); |
|
769 if (err2 !=KErrNone) |
|
770 { |
|
771 HandleLeave(err2,iQueue[0]); |
|
772 } |
|
773 } |
|
774 TRACE_FUNC_EXIT |
|
775 } |
|
776 |
|
777 // --------------------------------------------------------------------- |
|
778 // CBTDevModelBase::HandleLeave |
|
779 // --------------------------------------------------------------------- |
|
780 void CBTDevModelBase::HandleLeave(TInt aErr,const TBTDevice* aDevice ) |
|
781 { |
|
782 TRACE_FUNC_ENTRY |
|
783 iRegistryObserver->StartIfNotRunning(); |
|
784 iRegistryObserver->Refresh(); |
|
785 if(aDevice == NULL ) |
|
786 { |
|
787 iObserver->NotifyChangeDeviceComplete(aErr,TBTDevice() ); |
|
788 } |
|
789 else |
|
790 { |
|
791 iObserver->NotifyChangeDeviceComplete(aErr, *aDevice ); |
|
792 } |
|
793 delete iDevice; |
|
794 iDevice=NULL; |
|
795 iDevMan->Cancel(); |
|
796 |
|
797 if(aDevice != NULL && iQueue.Count() > 0 && |
|
798 (iQueue[0]->iAddr == aDevice->iAddr ) && |
|
799 (iQueue[0]->iOperation == aDevice->iOperation ) ) |
|
800 { |
|
801 delete iQueue[0]; |
|
802 iQueue.Remove(0); |
|
803 } |
|
804 |
|
805 HandleQueue(); |
|
806 TRACE_FUNC_EXIT |
|
807 } |
|