1 /* |
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2 * Copyright (c) 2004-2007 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: |
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15 * |
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16 */ |
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17 |
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18 |
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19 // EXTERNAL INCLUDES |
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20 #include <s32file.h> |
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21 |
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22 #include "cbtdevicecontainer.h" |
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23 #include "crsbtdevice.h" |
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24 #include "rsutils.h" |
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25 #include "mprotprintingdevice.h" |
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26 #include "clog.h" |
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27 |
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28 // CONSTANTS |
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29 namespace |
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30 { |
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31 /// File name where the BT devices will be stored, for future sessions. |
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32 _LIT(KUsedDevicesFile,"btdevices.dat"); |
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33 /// Maximum number of Bluetooth devices to be stored. |
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34 const TInt KUsedDevicesMax = 150; |
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35 /// Version of the file where the BT devices will be stored. |
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36 const TInt KUsedDevicesVersion = 5; |
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37 } |
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38 |
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39 |
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40 |
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41 |
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42 ////////////////////////////////////////////////////////////////////// |
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43 // Construction/Destruction |
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44 ////////////////////////////////////////////////////////////////////// |
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45 CBtDeviceContainer* CBtDeviceContainer::NewL() |
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46 { |
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47 CBtDeviceContainer* self = new (ELeave) CBtDeviceContainer(); |
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48 CleanupStack::PushL(self); |
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49 self->ConstructL(); |
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50 CleanupStack::Pop(self); |
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51 return self; |
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52 } |
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53 |
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54 void CBtDeviceContainer::ConstructL() |
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55 { |
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56 User::LeaveIfError( iFs.Connect()); |
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57 TInt err = RsUtils::CreateDataFolder( iFs, iDataFolder ); |
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58 LOG1("[CBtDeviceContainer::ConstructL]\t err: %d", err ); |
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59 iDataFolder = RsUtils::PathNotRom( iDataFolder ); |
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60 iFs.SetSessionPath( iDataFolder ); |
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61 LOG1("CBtDeviceContainer::ConstructL iDataFolder: %S", &iDataFolder ); |
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62 } |
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63 |
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64 CBtDeviceContainer::CBtDeviceContainer() : iVersion(KUsedDevicesVersion) |
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65 { |
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66 } |
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67 |
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68 CBtDeviceContainer::~CBtDeviceContainer() |
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69 { |
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70 LOG("CBtDeviceContainer::~CBtDeviceContainer begin"); |
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71 iDeviceArray.ResetAndDestroy(); |
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72 iDeviceArray.Close(); |
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73 iFs.Close(); |
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74 LOG("CBtDeviceContainer::~CBtDeviceContainer end"); |
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75 } |
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76 |
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77 //-------------------------------------------------------------------------------------------- |
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78 // |
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79 // CBtDeviceContainer::StoreL |
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80 // |
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81 //-------------------------------------------------------------------------------------------- |
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82 void CBtDeviceContainer::StoreL() |
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83 { |
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84 LOG("[CBtDeviceContainer::StoreL]\t begin"); |
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85 |
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86 TFileName fileName( iDataFolder ); |
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87 fileName.Append( KUsedDevicesFile ); |
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88 LOG1("CBtDeviceContainer::StoreL fileName 1: %S", &fileName); |
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89 |
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90 RFileWriteStream outstream; |
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91 TFileName tempFileName; |
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92 |
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93 User::LeaveIfError( outstream.Temp( iFs, iDataFolder, tempFileName, EFileWrite ) ); |
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94 LOG1("[CBtDeviceContainer::StoreL]\t tempFileName: %S", &tempFileName); |
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95 |
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96 CleanupClosePushL( outstream ); |
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97 ExternalizeL( outstream ); |
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98 // makes sure all data is written from the buffer to file, before calling close. |
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99 outstream.CommitL(); |
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100 CleanupStack::PopAndDestroy(); // outstream |
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101 |
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102 if( RsUtils::FileExists( fileName, iFs ) ) |
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103 User::LeaveIfError( iFs.Delete( fileName ) ); |
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104 User::LeaveIfError( iFs.Rename( tempFileName, fileName ) ); |
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105 |
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106 LOG("[CBtDeviceContainer::StoreL]\t end"); |
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107 } |
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108 |
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109 |
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110 //-------------------------------------------------------------------------------------------- |
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111 // |
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112 // CBtDeviceContainer::RestoreL |
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113 // |
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114 //-------------------------------------------------------------------------------------------- |
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115 void CBtDeviceContainer::RestoreL() |
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116 { |
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117 TFileName fileName( iDataFolder ); |
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118 fileName.Append( KUsedDevicesFile ); |
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119 |
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120 RFileReadStream instream; |
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121 CleanupClosePushL( instream ); |
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122 |
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123 User::LeaveIfError( instream.Open( iFs, fileName, EFileRead ) ); |
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124 InternalizeL(instream); |
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125 |
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126 CleanupStack::PopAndDestroy(); // instream |
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127 } |
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128 |
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129 //-------------------------------------------------------------------------------------------- |
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130 // |
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131 // CBtDeviceContainer::ExternalizeL |
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132 // |
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133 //-------------------------------------------------------------------------------------------- |
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134 void CBtDeviceContainer::ExternalizeL(RWriteStream& aStream) const |
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135 { |
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136 TInt count = 0; |
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137 for( TInt i = 0; i < iDeviceArray.Count(); i++ ) |
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138 { |
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139 if(iDeviceArray[i]->IsUsed()) |
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140 { |
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141 ++count; |
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142 } |
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143 } |
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144 LOG1("[CBtDeviceContainer::ExternalizeL]\t count: %d", count); |
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145 if(0 == count) |
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146 { |
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147 return; |
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148 } |
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149 |
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150 aStream.WriteInt32L(iVersion); |
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151 aStream.WriteInt32L(iCurrentId); |
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152 aStream.WriteInt32L(count); |
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153 for( TInt i = 0; i < iDeviceArray.Count(); i++ ) |
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154 { |
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155 if(iDeviceArray[i]->IsUsed()) |
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156 { |
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157 aStream << *(iDeviceArray[i]); |
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158 } |
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159 } |
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160 LOG("CBtDeviceContainer::ExternalizeL end"); |
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161 } |
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162 |
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163 //-------------------------------------------------------------------------------------------- |
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164 // |
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165 // CBtDeviceContainer::InternalizeL |
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166 // |
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167 //-------------------------------------------------------------------------------------------- |
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168 void CBtDeviceContainer::InternalizeL(RReadStream& aStream) |
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169 { |
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170 TInt version = aStream.ReadInt32L(); |
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171 if (version != KUsedDevicesVersion) |
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172 { |
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173 return; |
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174 } |
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175 iVersion = version; |
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176 |
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177 iCurrentId = aStream.ReadInt32L(); |
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178 TInt count = aStream.ReadInt32L(); |
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179 for (TInt i = 0; i < count; i++) |
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180 { |
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181 CRsBtDevice* tmpDevice = CRsBtDevice::NewLC(); |
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182 |
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183 tmpDevice->InternalizeL(aStream); |
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184 |
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185 tmpDevice->SetUsed(ETrue); |
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186 tmpDevice->SetJustFound(EFalse); |
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187 User::LeaveIfError( iDeviceArray.Append( tmpDevice ) ); |
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188 CleanupStack::Pop(); // tmpDevice |
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189 } |
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190 } |
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191 |
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192 CRsBtDevice* CBtDeviceContainer::At(TInt aPosition) const |
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193 { |
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194 if( aPosition >= 0 && aPosition < iDeviceArray.Count() ) |
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195 { |
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196 return iDeviceArray[aPosition]; |
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197 } |
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198 else |
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199 { |
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200 return NULL; |
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201 } |
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202 } |
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203 |
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204 TInt CBtDeviceContainer::Count() const |
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205 { |
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206 return iDeviceArray.Count(); |
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207 } |
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208 |
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209 //-------------------------------------------------------------------------------------------- |
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210 // |
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211 // CBtDeviceContainer::Find |
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212 // |
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213 //-------------------------------------------------------------------------------------------- |
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214 TInt CBtDeviceContainer::Find( const CRsBtDevice &aDevice, TInt aInitIndex) const |
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215 { |
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216 TInt nCnt; |
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217 CRsBtDevice *cmpDev; |
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218 |
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219 for (nCnt = aInitIndex+1; nCnt < iDeviceArray.Count(); nCnt++) |
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220 { |
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221 cmpDev = iDeviceArray[nCnt]; |
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222 if (cmpDev->Equals(aDevice)) |
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223 { |
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224 return nCnt; |
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225 } |
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226 } |
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227 |
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228 return KErrNotFound; |
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229 } |
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230 |
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231 //-------------------------------------------------------------------------------------------- |
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232 // |
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233 // CBtDeviceContainer::Find |
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234 // |
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235 //-------------------------------------------------------------------------------------------- |
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236 TInt CBtDeviceContainer::Find( const TInt aDeviceId, TInt aInitIndex) const |
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237 { |
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238 for (TInt i = aInitIndex+1; i < iDeviceArray.Count(); i++) |
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239 { |
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240 if (iDeviceArray[i]->DeviceId() == aDeviceId) |
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241 { |
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242 return i; |
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243 } |
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244 } |
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245 return KErrNotFound; |
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246 } |
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247 |
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248 //-------------------------------------------------------------------------------------------- |
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249 // |
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250 // CBtDeviceContainer::Delete |
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251 // |
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252 //-------------------------------------------------------------------------------------------- |
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253 TInt CBtDeviceContainer::Delete( const TInt aDeviceId ) |
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254 { |
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255 TInt pos = Find(aDeviceId); |
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256 if(KErrNotFound != pos) |
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257 { |
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258 iDeviceArray[pos]->SetUsed(EFalse); |
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259 } |
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260 return pos; |
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261 } |
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262 |
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263 //-------------------------------------------------------------------------------------------- |
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264 // |
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265 // CBtDeviceContainer::Delete |
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266 // |
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267 //-------------------------------------------------------------------------------------------- |
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268 TInt CBtDeviceContainer::Delete( const CRsBtDevice &aDevice ) |
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269 { |
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270 TInt pos = Find(aDevice); |
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271 if(KErrNotFound != pos) |
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272 { |
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273 iDeviceArray[pos]->SetUsed(EFalse); |
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274 } |
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275 return pos; |
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276 } |
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277 |
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278 //-------------------------------------------------------------------------------------------- |
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279 // |
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280 // CBtDeviceContainer::AppendL |
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281 // |
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282 //-------------------------------------------------------------------------------------------- |
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283 void CBtDeviceContainer::AppendL( CRsBtDevice* aDevice ) |
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284 { |
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285 LOG1("[CBtDeviceContainer::AppendL]\t %S", &(aDevice->FriendlyName())); |
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286 |
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287 if( iDeviceArray.Count() == KUsedDevicesMax ) |
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288 { |
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289 TInt nOldest = FindOldest(ENotUsed | ETimeLastUsed); |
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290 CRsBtDevice* device = iDeviceArray[nOldest]; |
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291 iDeviceArray.Remove(nOldest); |
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292 delete device; |
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293 } |
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294 |
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295 if( aDevice->DeviceId() <= 0 ) |
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296 { |
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297 aDevice->SetDeviceId( GetAvailableId( *aDevice ) ); |
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298 } |
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299 iDeviceArray.AppendL( aDevice ); |
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300 } |
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301 |
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302 TInt CBtDeviceContainer::FindOldest(TUint aFlags) const |
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303 { |
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304 TInt oldest=-1; |
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305 TTime timeOldest, timeCmp; |
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306 CRsBtDevice *cmpDev; |
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307 TBool bSavedCheck; |
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308 |
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309 timeOldest.UniversalTime(); |
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310 for (TInt i=0; i < iDeviceArray.Count(); ++i) |
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311 { |
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312 cmpDev = iDeviceArray[i]; |
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313 if ((aFlags & EUsed) && (aFlags & ENotUsed)) |
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314 { |
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315 bSavedCheck = ETrue; |
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316 } |
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317 else if (aFlags & ESaved) |
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318 { |
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319 bSavedCheck = cmpDev->IsUsed(); |
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320 } |
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321 else if (aFlags & ENotUsed) |
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322 { |
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323 bSavedCheck = !(cmpDev->IsUsed()); |
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324 } |
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325 else |
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326 { |
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327 bSavedCheck = ETrue; |
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328 } |
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329 |
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330 if (bSavedCheck) |
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331 { |
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332 if (aFlags & ETimeLastUsed) |
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333 { |
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334 timeCmp = cmpDev->TimeLastUsed(); |
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335 } |
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336 else if (aFlags & ETimeDiscovered) |
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337 { |
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338 timeCmp = cmpDev->TimeDiscovered(); |
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339 } |
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340 else |
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341 { |
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342 // Error, but shouldn't get here if program does the right thing |
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343 return -1; |
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344 } |
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345 |
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346 if (timeCmp < timeOldest) |
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347 { |
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348 oldest = i; |
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349 timeOldest = timeCmp; |
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350 } |
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351 } |
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352 } |
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353 |
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354 return oldest; |
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355 } |
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356 |
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357 TInt CBtDeviceContainer::GetAvailableId( const CRsBtDevice& aDevice ) |
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358 { |
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359 LOG("CBtDeviceContainer::GetAvailableId begin"); |
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360 const TBTDevAddr& btAddr = aDevice.BDAddr(); |
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361 TInt id( 0 ); |
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362 TInt intSize = sizeof(TInt); |
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363 LOG1("CBtDeviceContainer::GetAvailableId intSize: %d", intSize); |
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364 for( TInt i = ( KBTDevAddrSize - 1 ), s = 0; i >= 0 && s < intSize; i--, s++ ) |
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365 { |
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366 const TUint8& element = btAddr[i]; |
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367 TInt temp( element ); |
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368 temp <<= ( s * 8 ); |
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369 id |= temp; |
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370 } |
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371 |
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372 id &= DEVICE_ID_FIELD_MASK; |
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373 LOG1("[CBtDeviceContainer::GetAvailableId]\t id after masking: %d", id); |
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374 |
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375 while( !IsIdAvailable( id ) ) |
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376 { |
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377 id++; |
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378 } |
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379 |
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380 iCurrentId = id; |
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381 LOG1("[CBtDeviceContainer::GetAvailableId]\t return: %d", iCurrentId); |
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382 return iCurrentId; |
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383 } |
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384 |
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385 |
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386 TBool CBtDeviceContainer::IsIdAvailable( TInt aId ) const |
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387 { |
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388 TBool result( ETrue ); |
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389 for( TInt x = 0; x < iDeviceArray.Count() && result; ++x ) |
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390 { |
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391 if ( aId == iDeviceArray[x]->DeviceId() ) |
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392 { |
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393 result = EFalse; |
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394 } |
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395 } |
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396 return result; |
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397 } |
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398 |
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399 void CBtDeviceContainer::Reset() |
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400 { |
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401 iDeviceArray.ResetAndDestroy(); |
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402 } |
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403 |
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404 // End of File |
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