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1 // persistentconsole.cpp |
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2 // |
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3 // Copyright (c) 2008 - 2010 Accenture. 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 the "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 // Accenture - Initial contribution |
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11 // |
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12 |
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13 #include "persistentconsole.h" |
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14 #include <e32hashtab.h> |
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15 |
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16 |
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17 static void CleanupNullPointer(TAny* aPtrPtr) |
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18 { |
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19 *((TAny**)aPtrPtr) = NULL; |
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20 } |
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21 |
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22 static void CleanupNullPointerPushL(TAny** aPtr) |
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23 { |
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24 CleanupStack::PushL(TCleanupItem(CleanupNullPointer, aPtr)); |
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25 } |
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26 |
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27 _LIT(KProxySuffix, "_proxy"); |
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28 |
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29 //______________________________________________________________________________ |
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30 // CIoPersistentConsole |
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31 CIoPersistentConsole* CIoPersistentConsole::NewLC(const TDesC& aName, const TDesC& aTitle, CIoServer& aServer, const RMsg& aMessage) |
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32 { |
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33 CIoPersistentConsole* self = new(ELeave)CIoPersistentConsole(aServer); |
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34 CleanupClosePushL(*self); |
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35 self->ConstructL(aName, aTitle, aMessage); |
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36 return self; |
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37 } |
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38 |
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39 TBool CIoPersistentConsole::CanConnectReaderL(const MIoReadEndPoint& aReader) const |
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40 { |
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41 // check that the candidate end point will not result in a circular connection of |
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42 // persistent consoles if it's connected to this one. |
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43 |
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44 RHashSet<TInt> chained; // addresses of CIoPersistentConsole's in any chain |
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45 CleanupClosePushL(chained); |
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46 chained.InsertL((TInt)this); |
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47 const MIoReadEndPoint* nextReader = &aReader; |
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48 while (nextReader && nextReader->IoepIsType(RIoHandle::EPersistentConsole)) |
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49 { |
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50 const CIoPersistentConsole* next = (const CIoPersistentConsole*)nextReader; |
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51 if (chained.Find((TInt)next)) |
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52 { |
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53 CleanupStack::PopAndDestroy(); |
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54 return EFalse; |
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55 } |
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56 chained.InsertL((TInt)next); |
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57 nextReader = next->TransientReader(); |
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58 } |
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59 CleanupStack::PopAndDestroy(); |
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60 return ETrue; |
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61 } |
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62 |
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63 void CIoPersistentConsole::AttachTransientReaderL(MIoReadEndPoint& aReader, CIoSession* aDetachOnClose) |
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64 { |
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65 if (!CanConnectReaderL(aReader)) User::Leave(KErrCouldNotConnect); |
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66 |
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67 if (iTransientReadEndPoint) |
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68 { |
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69 User::Leave(KErrInUse); |
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70 } |
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71 |
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72 |
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73 iTransientReadEndPoint = &aReader; |
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74 CleanupNullPointerPushL((TAny**)&iTransientReadEndPoint); |
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75 |
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76 TInt fgProxyPos = ReaderProxyIndex(AttachedReader()); |
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77 if (fgProxyPos != KErrNotFound) |
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78 { |
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79 iTransientReadEndPoint->IorepAttachL(*iReaderProxies[fgProxyPos], RIoEndPoint::EForeground); |
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80 } |
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81 |
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82 TInt i = 0; |
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83 TRAPD(err, |
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84 for (i=0; i<iReaderProxies.Count(); ++i) |
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85 { |
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86 if (i != fgProxyPos) |
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87 { |
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88 iTransientReadEndPoint->IorepAttachL(*iReaderProxies[i], RIoEndPoint::EBackground); |
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89 } |
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90 } |
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91 ); |
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92 |
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93 if (err) |
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94 { |
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95 // deatch the readers the we successfully attached before failure |
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96 for (TInt j=0; j<i; ++j) |
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97 { |
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98 iTransientReadEndPoint->IorepDetach(*iReaderProxies[j]); |
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99 } |
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100 // also make sure that the foreground reader is deatched |
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101 if (fgProxyPos >= i) |
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102 { |
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103 iTransientReadEndPoint->IorepDetach(*iReaderProxies[fgProxyPos]); |
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104 } |
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105 User::Leave(err); |
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106 } |
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107 CleanupStack::Pop(); |
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108 |
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109 iReadEndPointDetachOnClose = aDetachOnClose; |
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110 |
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111 // now foreward any outstanding read requests |
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112 for (TInt i=0; i<iReaderProxies.Count(); ++i) |
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113 { |
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114 iReaderProxies[i]->TransientReaderAttached(*iTransientReadEndPoint); |
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115 } |
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116 |
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117 MIoReader* fg = AttachedReader(); |
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118 if (fg) |
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119 { |
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120 fg->IorReaderChange(RIoReadHandle::EGainedForeground | RIoReadHandle::EConsoleSizeChanged); |
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121 } |
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122 } |
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123 |
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124 void CIoPersistentConsole::DetachTransientReader() |
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125 { |
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126 if (!iTransientReadEndPoint) |
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127 { |
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128 return; |
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129 } |
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130 MIoReadEndPoint* detaching = iTransientReadEndPoint; |
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131 iTransientReadEndPoint = NULL; |
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132 |
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133 TInt fgReaderPos = ReaderProxyIndex(AttachedReader()); |
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134 for (TInt i=0; i<iReaderProxies.Count(); ++i) |
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135 { |
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136 if (i!=fgReaderPos) |
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137 { |
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138 detaching->IorepDetach(*iReaderProxies[i]); |
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139 } |
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140 } |
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141 if (fgReaderPos!=KErrNotFound) |
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142 { |
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143 detaching->IorepDetach(*iReaderProxies[fgReaderPos]); |
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144 } |
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145 iReadEndPointDetachOnClose = NULL; |
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146 |
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147 SendReadDetachNotifications(); |
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148 } |
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149 |
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150 const MIoReadEndPoint* CIoPersistentConsole::TransientReader() const |
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151 { |
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152 return iTransientReadEndPoint; |
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153 } |
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154 |
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155 TBool CIoPersistentConsole::CanConnectWriterL(const MIoWriteEndPoint& aWriter) const |
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156 { |
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157 // check that the candidate end point will not result in a circular connection of |
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158 // persistent consoles if it's connected to this one. |
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159 |
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160 RHashSet<TInt> chained; // addresses of CIoPersistentConsole's in any chain |
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161 CleanupClosePushL(chained); |
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162 chained.InsertL((TInt)this); |
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163 const MIoWriteEndPoint* nextWriter = &aWriter; |
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164 while (nextWriter && nextWriter->IoepIsType(RIoHandle::EPersistentConsole)) |
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165 { |
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166 const CIoPersistentConsole* next = (const CIoPersistentConsole*)nextWriter; |
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167 if (chained.Find((TInt)next)) |
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168 { |
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169 CleanupStack::PopAndDestroy(); |
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170 return EFalse; |
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171 } |
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172 chained.InsertL((TInt)next); |
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173 nextWriter = next->TransientWriter(); |
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174 } |
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175 CleanupStack::PopAndDestroy(); |
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176 return ETrue; |
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177 } |
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178 |
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179 void CIoPersistentConsole::AttachTransientWriterL(MIoWriteEndPoint& aWriter, CIoSession* aDetachOnClose) |
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180 { |
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181 if (!CanConnectWriterL(aWriter)) User::Leave(KErrCouldNotConnect); |
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182 |
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183 if (iTransientWriteEndPoint) |
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184 { |
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185 User::Leave(KErrInUse); |
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186 } |
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187 iTransientWriteEndPoint = &aWriter; |
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188 CleanupNullPointerPushL((TAny**)&iTransientWriteEndPoint); |
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189 |
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190 TInt i = 0; |
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191 TRAPD(err, |
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192 for (i=0; i<iWriterProxies.Count(); ++i) |
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193 { |
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194 iTransientWriteEndPoint->IowepAttachL(*iWriterProxies[i]); |
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195 } |
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196 ); |
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197 if (err) |
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198 { |
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199 // deatch the writers the we successfully attached before failure |
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200 for (TInt j=0; j<i; ++j) |
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201 { |
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202 iWriterProxies[j]->TransientWriterDetach(*iTransientWriteEndPoint); |
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203 } |
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204 User::Leave(err); |
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205 } |
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206 CleanupStack::Pop(); |
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207 |
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208 iWriteEndPointDetachOnClose = aDetachOnClose; |
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209 |
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210 TRAP_IGNORE(iTransientWriteEndPoint->IowepSetTitleL(iTitleSetter)); |
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211 |
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212 for (TInt i=0; i<iWriterProxies.Count(); ++i) |
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213 { |
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214 iWriterProxies[i]->TransientWriterAttached(*iTransientWriteEndPoint); |
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215 } |
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216 } |
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217 |
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218 void CIoPersistentConsole::DetachTransientWriter() |
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219 { |
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220 if (!iTransientWriteEndPoint) |
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221 { |
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222 return; |
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223 } |
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224 MIoWriteEndPoint* detaching = iTransientWriteEndPoint; |
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225 iTransientWriteEndPoint = NULL; |
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226 for (TInt i=0; i<iWriterProxies.Count(); ++i) |
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227 { |
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228 iWriterProxies[i]->TransientWriterDetach(*detaching); |
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229 } |
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230 iWriteEndPointDetachOnClose = NULL; |
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231 |
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232 SendWriteDetachNotifications(); |
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233 } |
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234 |
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235 const MIoWriteEndPoint* CIoPersistentConsole::TransientWriter() const |
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236 { |
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237 return iTransientWriteEndPoint; |
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238 } |
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239 |
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240 MIoWriteEndPoint* CIoPersistentConsole::TransientWriter() |
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241 { |
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242 return iTransientWriteEndPoint; |
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243 } |
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244 |
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245 void CIoPersistentConsole::NotifyReadDetachL(const RMsg& aMessage) |
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246 { |
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247 if ((iReaderProxies.Count()==0) || !iTransientReadEndPoint) |
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248 { |
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249 Complete(aMessage, KErrNone); |
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250 } |
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251 else |
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252 { |
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253 iReadDetachNotifications.AppendL(aMessage); |
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254 } |
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255 } |
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256 |
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257 void CIoPersistentConsole::CancelNotifyReadDetach(TRequestStatus* aClientStatus) |
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258 { |
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259 for (TInt i=0; i<iReadDetachNotifications.Count(); ++i) |
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260 { |
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261 if (iReadDetachNotifications[i].ClientStatus() == aClientStatus) |
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262 { |
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263 Complete(iReadDetachNotifications[i], KErrCancel); |
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264 iReadDetachNotifications.Remove(i); |
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265 return; |
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266 } |
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267 } |
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268 } |
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269 |
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270 void CIoPersistentConsole::NotifyWriteDetachL(const RMsg& aMessage) |
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271 { |
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272 if ((iWriterProxies.Count()==0) || !iTransientWriteEndPoint) |
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273 { |
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274 Complete(aMessage, KErrNone); |
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275 } |
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276 else |
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277 { |
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278 iWriteDetachNotifications.AppendL(aMessage); |
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279 } |
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280 } |
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281 |
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282 void CIoPersistentConsole::CancelNotifyWriteDetach(TRequestStatus* aClientStatus) |
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283 { |
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284 for (TInt i=0; i<iWriteDetachNotifications.Count(); ++i) |
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285 { |
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286 if (iWriteDetachNotifications[i].ClientStatus() == aClientStatus) |
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287 { |
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288 Complete(iWriteDetachNotifications[i], KErrCancel); |
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289 iWriteDetachNotifications.Remove(i); |
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290 return; |
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291 } |
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292 } |
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293 } |
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294 |
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295 TName CIoPersistentConsole::TransientReaderName() |
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296 { |
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297 if (iTransientReadEndPoint) |
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298 { |
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299 return iTransientReadEndPoint->IoepName(); |
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300 } |
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301 else |
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302 { |
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303 return KNullDesC(); |
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304 } |
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305 } |
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306 |
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307 TName CIoPersistentConsole::TransientWriterName() |
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308 { |
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309 if (iTransientWriteEndPoint) |
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310 { |
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311 return iTransientWriteEndPoint->IoepName(); |
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312 } |
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313 else |
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314 { |
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315 return KNullDesC(); |
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316 } |
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317 } |
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318 |
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319 TThreadId CIoPersistentConsole::Creator() |
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320 { |
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321 return iCreator.Id(); |
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322 } |
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323 |
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324 TName CIoPersistentConsole::Name() const |
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325 { |
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326 return iName; |
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327 } |
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328 |
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329 TBool CIoPersistentConsole::IsType(RIoHandle::TType aType) const |
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330 { |
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331 if (aType == RIoHandle::EPersistentConsole) |
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332 { |
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333 return ETrue; |
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334 } |
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335 else |
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336 { |
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337 return CIoConsole::IsType(aType); |
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338 } |
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339 } |
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340 |
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341 void CIoPersistentConsole::SessionClosed(const CIoSession& aSession) |
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342 { |
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343 if (&aSession == iReadEndPointDetachOnClose) |
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344 { |
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345 DetachTransientReader(); |
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346 } |
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347 if (&aSession == iWriteEndPointDetachOnClose) |
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348 { |
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349 DetachTransientWriter(); |
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350 } |
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351 } |
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352 |
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353 void CIoPersistentConsole::ClosedBy(const CIoSession& aSession) |
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354 { |
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355 SessionClosed(aSession); |
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356 } |
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357 |
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358 void CIoPersistentConsole::SendReadDetachNotifications() |
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359 { |
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360 for (TInt i=0; i<iReadDetachNotifications.Count(); ++i) |
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361 { |
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362 Complete(iReadDetachNotifications[i], KErrNone); |
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363 } |
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364 iReadDetachNotifications.Reset(); |
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365 } |
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366 |
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367 void CIoPersistentConsole::SendWriteDetachNotifications() |
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368 { |
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369 for (TInt i=0; i<iWriteDetachNotifications.Count(); ++i) |
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370 { |
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371 Complete(iWriteDetachNotifications[i], KErrNone); |
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372 } |
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373 iWriteDetachNotifications.Reset(); |
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374 } |
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375 |
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376 //______________________________________________________________________________ |
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377 // MIoReadEndPoint implementation - to handle reads from persistent side |
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378 TInt CIoPersistentConsole::HandleReaderAttached(MIoReader& aReader) |
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379 { |
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380 TIoReaderProxy* proxy = new TIoReaderProxy(aReader, *this); |
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381 TInt err = proxy ? KErrNone : KErrNoMemory; |
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382 if (err==KErrNone) |
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383 { |
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384 err = iReaderProxies.Append(proxy); |
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385 } |
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386 |
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387 if ((err == KErrNone) && iTransientReadEndPoint) |
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388 { |
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389 TRAP(err, iTransientReadEndPoint->IorepAttachL(*proxy, RIoEndPoint::EBackground)); |
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390 } |
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391 |
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392 if (err != KErrNone) |
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393 { |
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394 TInt pos = ReaderProxyIndex(proxy); |
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395 if (pos!=KErrNotFound) |
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396 { |
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397 iReaderProxies.Remove(pos); |
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398 } |
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399 delete proxy; |
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400 } |
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401 return err; |
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402 } |
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403 |
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404 void CIoPersistentConsole::HandleReaderDetached(MIoReader& aReader) |
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405 { |
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406 TInt pos = ReaderProxyIndex(&aReader); |
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407 if (pos!=KErrNotFound) |
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408 { |
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409 if (iTransientReadEndPoint) |
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410 { |
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411 iTransientReadEndPoint->IorepDetach(*iReaderProxies[pos]); |
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412 } |
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413 delete iReaderProxies[pos]; |
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414 iReaderProxies.Remove(pos); |
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415 |
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416 if (iReaderProxies.Count()==0) |
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417 { |
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418 SendReadDetachNotifications(); |
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419 } |
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420 } |
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421 } |
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422 |
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423 void CIoPersistentConsole::HandleForegroundReaderChanged() |
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424 { |
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425 if (iTransientReadEndPoint) |
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426 { |
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427 CIoEndPoint::HandleForegroundReaderChanged(); |
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428 } |
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429 else |
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430 { |
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431 ForegroundReaderChanged(); |
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432 } |
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433 } |
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434 |
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435 void CIoPersistentConsole::ForegroundReaderChanged() |
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436 { |
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437 MIoReader* fgReader = AttachedReader(); |
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438 if (iTransientReadEndPoint && fgReader) |
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439 { |
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440 TInt fgPos = ReaderProxyIndex(fgReader); |
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441 ASSERT(fgPos != KErrNotFound); |
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442 TRAPD(err, iTransientReadEndPoint->IorepSetForegroundReaderL(*iReaderProxies[fgPos])); |
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443 __ASSERT_ALWAYS(err == KErrNone, User::Invariant()); |
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444 // this would only fail if this endpoints list of readers differs from the transient |
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445 // endpoints list; the two should always be kept in sync. |
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446 } |
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447 } |
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448 |
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449 TInt CIoPersistentConsole::ReaderProxyIndex(MIoReader* aReader) const |
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450 { |
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451 for (TInt i=0; i<iReaderProxies.Count(); ++i) |
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452 { |
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453 if (&iReaderProxies[i]->ClientReader() == aReader) |
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454 { |
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455 return i; |
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456 } |
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457 } |
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458 return KErrNotFound; |
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459 } |
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460 |
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461 void CIoPersistentConsole::IorepReadL(MIoReader& aReader) |
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462 { |
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463 TInt pos = ReaderProxyIndex(&aReader); |
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464 ASSERT(pos!=KErrNotFound); |
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465 iReaderProxies[pos]->ReadL(iTransientReadEndPoint); |
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466 } |
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467 |
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468 void CIoPersistentConsole::IorepReadKeyL(MIoReader& aReader) |
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469 { |
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470 TInt pos = ReaderProxyIndex(&aReader); |
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471 ASSERT(pos!=KErrNotFound); |
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472 iReaderProxies[pos]->ReadKeyL(iTransientReadEndPoint); |
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473 } |
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474 |
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475 void CIoPersistentConsole::IorepSetConsoleModeL(RIoReadWriteHandle::TMode aMode, MIoReader& aReader) |
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476 { |
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477 iPersistentConsoleMode = aMode; |
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478 GetReaderProxy(&aReader).SetConsoleModeL(iTransientReadEndPoint, aMode); |
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479 } |
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480 |
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481 //______________________________________________________________________________ |
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482 // MIoWriteEndPoint implementation - to handles writes from persistent side |
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483 TInt CIoPersistentConsole::HandleWriterAttached(MIoWriter& aWriter) |
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484 { |
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485 // call from CIoEndPoint |
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486 TIoWriterProxy* proxy = new TIoWriterProxy(aWriter, *this); |
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487 TInt err = proxy ? KErrNone : KErrNoMemory; |
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488 if (err==KErrNone) |
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489 { |
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490 err = iWriterProxies.Append(proxy); |
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491 } |
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492 |
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493 if ((err == KErrNone) && iTransientWriteEndPoint) |
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494 { |
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495 TRAP(err, iTransientWriteEndPoint->IowepAttachL(*proxy)); |
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496 } |
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497 |
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498 if (err != KErrNone) |
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499 { |
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500 TInt pos = WriterProxyIndex(proxy); |
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501 if (pos!=KErrNotFound) |
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502 { |
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503 iWriterProxies.Remove(pos); |
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504 } |
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505 delete proxy; |
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506 } |
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507 return err; |
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508 } |
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509 |
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510 void CIoPersistentConsole::HandleWriterDetached(MIoWriter& aWriter) |
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511 { |
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512 TInt pos = WriterProxyIndex(&aWriter); |
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513 if (pos!=KErrNotFound) |
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514 { |
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515 if (iTransientWriteEndPoint) |
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516 { |
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517 iWriterProxies[pos]->TransientWriterDetach(*iTransientWriteEndPoint); |
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518 } |
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519 delete iWriterProxies[pos]; |
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520 iWriterProxies.Remove(pos); |
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521 |
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522 if (iWriterProxies.Count()==0) |
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523 { |
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524 SendWriteDetachNotifications(); |
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525 } |
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526 } |
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527 |
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528 } |
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529 |
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530 TInt CIoPersistentConsole::WriterProxyIndex(MIoWriter* aWriter) const |
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531 { |
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532 for (TInt i=0; i<iWriterProxies.Count(); ++i) |
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533 { |
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534 if (&iWriterProxies[i]->ClientWriter() == aWriter) |
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535 { |
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536 return i; |
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537 } |
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538 } |
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539 return KErrNotFound; |
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540 } |
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541 |
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542 CIoPersistentConsole::TIoWriterProxy& CIoPersistentConsole::GetWriterProxy(MIoWriter* aWriter) const |
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543 { |
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544 TInt pos = WriterProxyIndex(aWriter); |
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545 ASSERT(pos!=KErrNotFound); |
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546 return *iWriterProxies[pos]; |
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547 } |
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548 |
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549 CIoPersistentConsole::TIoReaderProxy& CIoPersistentConsole::GetReaderProxy(MIoReader* aWriter) const |
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550 { |
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551 TInt pos = ReaderProxyIndex(aWriter); |
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552 ASSERT(pos!=KErrNotFound); |
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553 return *iReaderProxies[pos]; |
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554 } |
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555 |
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556 void CIoPersistentConsole::IowepWriteL(MIoWriter& aWriter) |
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557 { |
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558 TInt pos = WriterProxyIndex(&aWriter); |
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559 ASSERT(pos!=KErrNotFound); |
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560 iWriterProxies[pos]->WriteL(iTransientWriteEndPoint); |
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561 |
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562 // move the proxy to the end of the array so that we service the writes |
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563 // in the correct order when we get a write end point, or when the end |
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564 // point goes away and comes back |
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565 TIoWriterProxy* proxy(iWriterProxies[pos]); |
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566 iWriterProxies.Remove(pos); |
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567 iWriterProxies.Append(proxy); |
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568 } |
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569 |
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570 void CIoPersistentConsole::IowepWriteCancel(MIoWriter& aWriter) |
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571 { |
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572 TInt pos = WriterProxyIndex(&aWriter); |
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573 ASSERT(pos!=KErrNotFound); |
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574 iWriterProxies[pos]->WriteCancel(iTransientWriteEndPoint); |
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575 } |
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576 |
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577 void CIoPersistentConsole::IowepCursorPosL(MIoWriter& aWriter) const |
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578 { |
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579 GetWriterProxy(&aWriter).GetCursorPosL(iTransientWriteEndPoint); |
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580 } |
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581 |
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582 void CIoPersistentConsole::IowepSetCursorPosAbsL(const TPoint& aPoint, MIoWriter& aWriter) |
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583 { |
|
584 GetWriterProxy(&aWriter).SetCursorPosAbsL(aPoint, iTransientWriteEndPoint); |
|
585 } |
|
586 |
|
587 void CIoPersistentConsole::IowepSetCursorPosRelL(const TPoint& aPoint, MIoWriter& aWriter) |
|
588 { |
|
589 GetWriterProxy(&aWriter).SetCursorPosRelL(aPoint, iTransientWriteEndPoint); |
|
590 } |
|
591 |
|
592 void CIoPersistentConsole::IowepSetCursorHeightL(TInt aPercentage, MIoWriter& aWriter) |
|
593 { |
|
594 GetWriterProxy(&aWriter).SetCursorHeightL(aPercentage, iTransientWriteEndPoint); |
|
595 // TODO cache cursor height |
|
596 } |
|
597 |
|
598 void CIoPersistentConsole::IowepSetTitleL(MIoWriter& aWriter) |
|
599 { |
|
600 delete iTitle; |
|
601 iTitle = NULL; |
|
602 TRAP_IGNORE(iTitle = aWriter.IowTitleLC(); CleanupStack::Pop(iTitle)); // not much we can do if this fails |
|
603 GetWriterProxy(&aWriter).SetTitleL(iTransientWriteEndPoint); |
|
604 } |
|
605 |
|
606 void CIoPersistentConsole::IowepClearScreenL(MIoWriter& aWriter) |
|
607 { |
|
608 GetWriterProxy(&aWriter).ClearScreenL(iTransientWriteEndPoint); |
|
609 } |
|
610 |
|
611 void CIoPersistentConsole::IowepClearToEndOfLineL(MIoWriter& aWriter) |
|
612 { |
|
613 GetWriterProxy(&aWriter).ClearToEndOfLineL(iTransientWriteEndPoint); |
|
614 } |
|
615 |
|
616 void CIoPersistentConsole::IowepScreenSizeL(MIoWriter& aWriter) const |
|
617 { |
|
618 GetWriterProxy(&aWriter).GetScreenSizeL(iTransientWriteEndPoint); |
|
619 } |
|
620 |
|
621 void CIoPersistentConsole::IowepSetAttributesL(TUint aAttributes, ConsoleAttributes::TColor aForegroundColor, ConsoleAttributes::TColor aBackgroundColor, MIoWriter& aWriter) |
|
622 { |
|
623 GetWriterProxy(&aWriter).SetAttributesL(aAttributes, aForegroundColor, aBackgroundColor, iTransientWriteEndPoint); |
|
624 } |
|
625 |
|
626 CIoPersistentConsole::CIoPersistentConsole(CIoServer& aServer) |
|
627 : CIoConsole(aServer.Config()), iServer(aServer), iTitleSetter(iTitle) |
|
628 { |
|
629 } |
|
630 |
|
631 CIoPersistentConsole::~CIoPersistentConsole() |
|
632 { |
|
633 iServer.PersistentConsoleRemove(iName, *this); |
|
634 SendReadDetachNotifications(); |
|
635 iReadDetachNotifications.Close(); |
|
636 SendWriteDetachNotifications(); |
|
637 iWriteDetachNotifications.Close(); |
|
638 |
|
639 delete iTitle; |
|
640 iWriterProxies.ResetAndDestroy(); |
|
641 iReaderProxies.ResetAndDestroy(); |
|
642 |
|
643 iCreator.Close(); |
|
644 } |
|
645 |
|
646 _LIT(KPersistentConsoleImplementation, "<persistent console>"); |
|
647 |
|
648 void CIoPersistentConsole::ConstructL(const TDesC& aName, const TDesC& aTitle, const RMsg& aMessage) |
|
649 { |
|
650 LOG(CIoLog::Printf(_L("Persistent console %S @ 0x%08x created"), &aName, this)); |
|
651 iName = aName.Left(KMaxName); |
|
652 iServer.PersistentConsoleAddL(iName, *this); |
|
653 iImplementation = KPersistentConsoleImplementation().AllocL(); |
|
654 iTitle = aTitle.AllocL(); |
|
655 aMessage.ClientL(iCreator); |
|
656 } |
|
657 |
|
658 //______________________________________________________________________________ |
|
659 // TIoWriterProxy |
|
660 // MIoWriter proxy to service write requests from the transient side |
|
661 CIoPersistentConsole::TIoWriterProxy::TIoWriterProxy(MIoWriter& aWriter, CIoPersistentConsole& aOwner) |
|
662 : iWriter(aWriter) |
|
663 , iOwner(aOwner) |
|
664 , iFlags(0) |
|
665 { |
|
666 } |
|
667 |
|
668 TBool CIoPersistentConsole::TIoWriterProxy::GetFlag(TFlags aFlag) |
|
669 { |
|
670 return iFlags & aFlag; |
|
671 } |
|
672 |
|
673 void CIoPersistentConsole::TIoWriterProxy::SetFlag(TFlags aFlag) |
|
674 { |
|
675 iFlags |= aFlag; |
|
676 } |
|
677 |
|
678 void CIoPersistentConsole::TIoWriterProxy::ClearFlag(TFlags aFlag) |
|
679 { |
|
680 iFlags &= (~aFlag); |
|
681 } |
|
682 |
|
683 #define TRAP_OR(x, y) {TRAPD(err, x); if (err!=KErrNone) {y;} } |
|
684 |
|
685 |
|
686 void CIoPersistentConsole::TIoWriterProxy::TransientWriterAttached(MIoWriteEndPoint& aEndPoint) |
|
687 { |
|
688 if (GetFlag(EWritePending)) |
|
689 { |
|
690 TRAP_OR(aEndPoint.IowepWriteL(*this), IowComplete(err)); |
|
691 } |
|
692 if (GetFlag(EGetCursorPosPending)) |
|
693 { |
|
694 TRAP_OR(aEndPoint.IowepCursorPosL(*this), IowCursorPos(err, TPoint(0,0))); |
|
695 } |
|
696 if (GetFlag(ESetCursorPosAbsPending)) |
|
697 { |
|
698 TRAP_OR(aEndPoint.IowepSetCursorPosAbsL(iSetCursPosAbsPoint, *this), IowSetCursorPosAbsComplete(err)); |
|
699 } |
|
700 if (GetFlag(ESetCursorPosRelPending)) |
|
701 { |
|
702 TRAP_OR(aEndPoint.IowepSetCursorPosRelL(iSetCursPosRelPoint, *this), IowSetCursorPosRelComplete(err)); |
|
703 } |
|
704 if (GetFlag(ESetCursorHeightPending)) |
|
705 { |
|
706 TRAP_OR(aEndPoint.IowepSetCursorHeightL(iSetCursorHeight, *this), IowSetCursorHeightComplete(err)); |
|
707 } |
|
708 if (GetFlag(ESetTitlePending)) |
|
709 { |
|
710 TRAP_OR(aEndPoint.IowepSetTitleL(*this), IowSetTitleComplete(err)); |
|
711 } |
|
712 if (GetFlag(EClearScreenPending)) |
|
713 { |
|
714 TRAP_OR(aEndPoint.IowepClearScreenL(*this), IowClearScreenComplete(err)); |
|
715 } |
|
716 if (GetFlag(EClearToEndOfLinePending)) |
|
717 { |
|
718 TRAP_OR(aEndPoint.IowepClearToEndOfLineL(*this), IowClearToEndOfLineComplete(err)); |
|
719 } |
|
720 if (GetFlag(EGetScreenSizePending)) |
|
721 { |
|
722 TRAP_OR(aEndPoint.IowepScreenSizeL(*this), IowScreenSize(err, TSize(0,0))); |
|
723 } |
|
724 if (GetFlag(ESetAttributesPending)) |
|
725 { |
|
726 TRAP_OR(aEndPoint.IowepSetAttributesL(iAttributes, iForegroundColor, iBackgroundColor, *this), IowSetAttributesComplete(err)); |
|
727 } |
|
728 } |
|
729 |
|
730 void CIoPersistentConsole::TIoWriterProxy::TransientWriterDetach(MIoWriteEndPoint& aEndPoint) |
|
731 { |
|
732 if (GetFlag(EDetaching)) return; |
|
733 if (GetFlag(EWritePending)) |
|
734 { |
|
735 aEndPoint.IowepWriteCancel(*this); |
|
736 // leave the write pending so it is serviced when we get a new transient end point |
|
737 } |
|
738 aEndPoint.IowepDetach(*this); |
|
739 } |
|
740 |
|
741 void CIoPersistentConsole::TIoWriterProxy::WriteL(MIoWriteEndPoint* aEndPoint) |
|
742 { |
|
743 SetFlag(EWritePending); |
|
744 if (aEndPoint) |
|
745 { |
|
746 TRAPD(err, aEndPoint->IowepWriteL(*this)); |
|
747 if (err) |
|
748 { |
|
749 ClearFlag(EWritePending); |
|
750 User::Leave(err); |
|
751 } |
|
752 } |
|
753 } |
|
754 |
|
755 void CIoPersistentConsole::TIoWriterProxy::WriteCancel(MIoWriteEndPoint* aEndPoint) |
|
756 { |
|
757 if (aEndPoint) |
|
758 { |
|
759 aEndPoint->IowepWriteCancel(*this); |
|
760 } |
|
761 ClearFlag(EWritePending); |
|
762 } |
|
763 |
|
764 |
|
765 MIoWriter& CIoPersistentConsole::TIoWriterProxy::ClientWriter() const |
|
766 { |
|
767 return iWriter; |
|
768 } |
|
769 |
|
770 void CIoPersistentConsole::TIoWriterProxy::GetCursorPosL(MIoWriteEndPoint* aEndPoint) |
|
771 { |
|
772 SetFlag(EGetCursorPosPending); |
|
773 if (aEndPoint) |
|
774 { |
|
775 aEndPoint->IowepCursorPosL(*this); |
|
776 } |
|
777 } |
|
778 |
|
779 void CIoPersistentConsole::TIoWriterProxy::SetCursorPosAbsL(const TPoint& aPos, MIoWriteEndPoint* aEndPoint) |
|
780 { |
|
781 SetFlag(ESetCursorPosAbsPending); |
|
782 iSetCursPosAbsPoint = aPos; |
|
783 if (aEndPoint) |
|
784 { |
|
785 aEndPoint->IowepSetCursorPosAbsL(iSetCursPosAbsPoint, *this); |
|
786 } |
|
787 } |
|
788 |
|
789 void CIoPersistentConsole::TIoWriterProxy::SetCursorPosRelL(const TPoint& aPos, MIoWriteEndPoint* aEndPoint) |
|
790 { |
|
791 SetFlag(ESetCursorPosRelPending); |
|
792 iSetCursPosRelPoint = aPos; |
|
793 if (aEndPoint) |
|
794 { |
|
795 aEndPoint->IowepSetCursorPosRelL(iSetCursPosRelPoint, *this); |
|
796 } |
|
797 } |
|
798 |
|
799 void CIoPersistentConsole::TIoWriterProxy::SetCursorHeightL(TInt aPercentage, MIoWriteEndPoint* aEndPoint) |
|
800 { |
|
801 SetFlag(ESetCursorHeightPending); |
|
802 iSetCursorHeight = aPercentage; |
|
803 if (aEndPoint) |
|
804 { |
|
805 aEndPoint->IowepSetCursorHeightL(iSetCursorHeight, *this); |
|
806 } |
|
807 } |
|
808 |
|
809 void CIoPersistentConsole::TIoWriterProxy::SetTitleL(MIoWriteEndPoint* aEndPoint) |
|
810 { |
|
811 SetFlag(ESetTitlePending); |
|
812 if (aEndPoint) |
|
813 { |
|
814 aEndPoint->IowepSetTitleL(*this); |
|
815 } |
|
816 } |
|
817 |
|
818 void CIoPersistentConsole::TIoWriterProxy::ClearScreenL(MIoWriteEndPoint* aEndPoint) |
|
819 { |
|
820 SetFlag(EClearScreenPending); |
|
821 if (aEndPoint) |
|
822 { |
|
823 aEndPoint->IowepClearScreenL(*this); |
|
824 } |
|
825 } |
|
826 |
|
827 void CIoPersistentConsole::TIoWriterProxy::ClearToEndOfLineL(MIoWriteEndPoint* aEndPoint) |
|
828 { |
|
829 SetFlag(EClearToEndOfLinePending); |
|
830 if (aEndPoint) |
|
831 { |
|
832 aEndPoint->IowepClearToEndOfLineL(*this); |
|
833 } |
|
834 } |
|
835 |
|
836 void CIoPersistentConsole::TIoWriterProxy::GetScreenSizeL(MIoWriteEndPoint* aEndPoint) |
|
837 { |
|
838 SetFlag(EGetScreenSizePending); |
|
839 if (aEndPoint) |
|
840 { |
|
841 aEndPoint->IowepScreenSizeL(*this); |
|
842 } |
|
843 } |
|
844 |
|
845 void CIoPersistentConsole::TIoWriterProxy::SetAttributesL(TUint aAttributes, ConsoleAttributes::TColor aForegroundColor, ConsoleAttributes::TColor aBackgroundColor, MIoWriteEndPoint* aEndPoint) |
|
846 { |
|
847 SetFlag(ESetAttributesPending); |
|
848 iAttributes = aAttributes; |
|
849 iForegroundColor = aForegroundColor; |
|
850 iBackgroundColor = aBackgroundColor; |
|
851 if (aEndPoint) |
|
852 { |
|
853 aEndPoint->IowepSetAttributesL(iAttributes, iForegroundColor, iBackgroundColor, *this); |
|
854 } |
|
855 } |
|
856 |
|
857 TInt CIoPersistentConsole::TIoWriterProxy::IowWriteLength() const |
|
858 { |
|
859 return iWriter.IowWriteLength(); |
|
860 } |
|
861 |
|
862 TInt CIoPersistentConsole::TIoWriterProxy::IowWrite(TDes& aBuf) |
|
863 { |
|
864 return iWriter.IowWrite(aBuf); |
|
865 } |
|
866 |
|
867 void CIoPersistentConsole::TIoWriterProxy::IowComplete(TInt aError) |
|
868 { |
|
869 if (aError == KErrNone) |
|
870 { |
|
871 iWriter.IowComplete(KErrNone); |
|
872 ClearFlag(EWritePending); |
|
873 } |
|
874 else |
|
875 { |
|
876 SetFlag(EDetaching); |
|
877 iOwner.DetachTransientWriter(); |
|
878 ClearFlag(EDetaching); |
|
879 } |
|
880 } |
|
881 |
|
882 TName CIoPersistentConsole::TIoWriterProxy::IowName() |
|
883 { |
|
884 TName name(iWriter.IowName()); |
|
885 if (name.Length() + KProxySuffix().Length() > name.MaxLength()) |
|
886 { |
|
887 name.SetLength(name.MaxLength() - KProxySuffix().Length()); |
|
888 } |
|
889 name.Append(KProxySuffix); |
|
890 return name; |
|
891 } |
|
892 |
|
893 RIoReadWriteHandle::TMode CIoPersistentConsole::TIoWriterProxy::IorwMode() const |
|
894 { |
|
895 return iWriter.IorwMode(); |
|
896 } |
|
897 |
|
898 void CIoPersistentConsole::TIoWriterProxy::IowCursorPos(TInt aError, TPoint aPos) |
|
899 { |
|
900 ClearFlag(EGetCursorPosPending); |
|
901 iWriter.IowCursorPos(aError, aPos); |
|
902 } |
|
903 |
|
904 void CIoPersistentConsole::TIoWriterProxy::IowSetCursorPosAbsComplete(TInt aError) |
|
905 { |
|
906 ClearFlag(ESetCursorPosAbsPending); |
|
907 iWriter.IowSetCursorPosAbsComplete(aError); |
|
908 } |
|
909 |
|
910 void CIoPersistentConsole::TIoWriterProxy::IowSetCursorPosRelComplete(TInt aError) |
|
911 { |
|
912 ClearFlag(ESetCursorPosRelPending); |
|
913 iWriter.IowSetCursorPosRelComplete(aError); |
|
914 } |
|
915 |
|
916 void CIoPersistentConsole::TIoWriterProxy::IowSetCursorHeightComplete(TInt aError) |
|
917 { |
|
918 ClearFlag(ESetCursorHeightPending); |
|
919 iWriter.IowSetCursorHeightComplete(aError); |
|
920 } |
|
921 |
|
922 void CIoPersistentConsole::TIoWriterProxy::IowSetTitleComplete(TInt aError) |
|
923 { |
|
924 ClearFlag(ESetTitlePending); |
|
925 iWriter.IowSetTitleComplete(aError); |
|
926 } |
|
927 |
|
928 void CIoPersistentConsole::TIoWriterProxy::IowClearScreenComplete(TInt aError) |
|
929 { |
|
930 ClearFlag(EClearScreenPending); |
|
931 iWriter.IowClearScreenComplete(aError); |
|
932 } |
|
933 |
|
934 void CIoPersistentConsole::TIoWriterProxy::IowClearToEndOfLineComplete(TInt aError) |
|
935 { |
|
936 ClearFlag(EClearToEndOfLinePending); |
|
937 iWriter.IowClearToEndOfLineComplete(aError); |
|
938 } |
|
939 |
|
940 void CIoPersistentConsole::TIoWriterProxy::IowScreenSize(TInt aError, TSize aSize) |
|
941 { |
|
942 ClearFlag(EGetScreenSizePending); |
|
943 iWriter.IowScreenSize(aError, aSize); |
|
944 } |
|
945 |
|
946 void CIoPersistentConsole::TIoWriterProxy::IowSetAttributesComplete(TInt aError) |
|
947 { |
|
948 ClearFlag(ESetAttributesPending); |
|
949 iWriter.IowSetAttributesComplete(aError); |
|
950 } |
|
951 |
|
952 HBufC* CIoPersistentConsole::TIoWriterProxy::IowTitleLC() |
|
953 { |
|
954 return iWriter.IowTitleLC(); |
|
955 } |
|
956 |
|
957 //______________________________________________________________________________ |
|
958 // TIoReaderProxy |
|
959 // MIoReader proxy - to service read requests from transient side |
|
960 CIoPersistentConsole::TIoReaderProxy::TIoReaderProxy(MIoReader& aReader, CIoPersistentConsole& aOwner) |
|
961 : iReader(aReader), iOwner(aOwner), iDetaching(EFalse), iSetConsoleModePending(EFalse) |
|
962 { |
|
963 } |
|
964 |
|
965 void CIoPersistentConsole::TIoReaderProxy::TransientReaderAttached(MIoReadEndPoint& aReader) |
|
966 { |
|
967 if (iReader.IorReadPending()) |
|
968 { |
|
969 TRAPD(err, aReader.IorepReadL(*this)); |
|
970 if (err) |
|
971 { |
|
972 IorReadComplete(err); |
|
973 } |
|
974 } |
|
975 if (iReader.IorReadKeyPending()) |
|
976 { |
|
977 TRAPD(err, aReader.IorepReadKeyL(*this)); |
|
978 if (err) |
|
979 { |
|
980 IorReadKeyComplete(err, EKeyNull, 0); |
|
981 } |
|
982 } |
|
983 if (iSetConsoleModePending) |
|
984 { |
|
985 TRAP_OR(aReader.IorepSetConsoleModeL(iSetConsoleMode, *this), IorSetConsoleModeComplete(err)); |
|
986 } |
|
987 } |
|
988 |
|
989 void CIoPersistentConsole::TIoReaderProxy::ReadL(MIoReadEndPoint* aEndPoint) |
|
990 { |
|
991 if (aEndPoint) |
|
992 { |
|
993 aEndPoint->IorepReadL(*this); |
|
994 } |
|
995 } |
|
996 |
|
997 void CIoPersistentConsole::TIoReaderProxy::ReadKeyL(MIoReadEndPoint* aEndPoint) |
|
998 { |
|
999 if (aEndPoint) |
|
1000 { |
|
1001 aEndPoint->IorepReadKeyL(*this); |
|
1002 } |
|
1003 } |
|
1004 |
|
1005 void CIoPersistentConsole::TIoReaderProxy::SetConsoleModeL(MIoReadEndPoint* aEndPoint, RIoReadWriteHandle::TMode aMode) |
|
1006 { |
|
1007 iSetConsoleModePending = ETrue; |
|
1008 iSetConsoleMode = aMode; |
|
1009 if (aEndPoint) |
|
1010 { |
|
1011 CleanupNullPointerPushL((TAny**)&iSetConsoleModePending); |
|
1012 aEndPoint->IorepSetConsoleModeL(iSetConsoleMode, *this); |
|
1013 CleanupStack::Pop(); |
|
1014 } |
|
1015 } |
|
1016 |
|
1017 MIoReader& CIoPersistentConsole::TIoReaderProxy::ClientReader() const |
|
1018 { |
|
1019 return iReader; |
|
1020 } |
|
1021 |
|
1022 RIoReadWriteHandle::TMode CIoPersistentConsole::TIoReaderProxy::IorwMode() const |
|
1023 { |
|
1024 return iReader.IorwMode(); |
|
1025 } |
|
1026 |
|
1027 TBool CIoPersistentConsole::TIoReaderProxy::IorReadPending() const |
|
1028 { |
|
1029 return iReader.IorReadPending(); |
|
1030 } |
|
1031 |
|
1032 TBool CIoPersistentConsole::TIoReaderProxy::IorReadKeyPending() const |
|
1033 { |
|
1034 return iReader.IorReadKeyPending(); |
|
1035 } |
|
1036 |
|
1037 |
|
1038 TDes& CIoPersistentConsole::TIoReaderProxy::IorReadBuf() |
|
1039 { |
|
1040 return iReader.IorReadBuf(); |
|
1041 } |
|
1042 |
|
1043 void CIoPersistentConsole::TIoReaderProxy::IorDataBuffered(TInt aLength) |
|
1044 { |
|
1045 iReader.IorDataBuffered(aLength); |
|
1046 } |
|
1047 |
|
1048 TBool CIoPersistentConsole::TIoReaderProxy::IorDataIsBuffered() const |
|
1049 { |
|
1050 return iReader.IorDataIsBuffered(); |
|
1051 } |
|
1052 |
|
1053 |
|
1054 TBool CIoPersistentConsole::TIoReaderProxy::IorIsKeyCaptured(TUint aKeyCode, TUint aModifiers) |
|
1055 { |
|
1056 return iReader.IorIsKeyCaptured(aKeyCode, aModifiers); |
|
1057 } |
|
1058 |
|
1059 void CIoPersistentConsole::TIoReaderProxy::IorReadComplete(TInt /*aError*/) |
|
1060 { |
|
1061 // indicates that the read end point will be providing no more data |
|
1062 // so detatch it |
|
1063 iDetaching = ETrue; |
|
1064 iOwner.DetachTransientReader(); |
|
1065 iDetaching = EFalse; |
|
1066 } |
|
1067 |
|
1068 void CIoPersistentConsole::TIoReaderProxy::IorReadKeyComplete(TInt aError, TUint aKeyCode, TUint aModifiers) |
|
1069 { |
|
1070 if (aError == KErrEof) |
|
1071 { |
|
1072 // indicates that the read end point will be providing no more data |
|
1073 // so detatch it |
|
1074 iOwner.DetachTransientReader(); |
|
1075 } |
|
1076 else |
|
1077 { |
|
1078 iReader.IorReadKeyComplete(aError, aKeyCode, aModifiers); |
|
1079 } |
|
1080 } |
|
1081 |
|
1082 TName CIoPersistentConsole::TIoReaderProxy::IorName() |
|
1083 { |
|
1084 TName name(iReader.IorName()); |
|
1085 if (name.Length() + KProxySuffix().Length() > name.MaxLength()) |
|
1086 { |
|
1087 name.SetLength(name.MaxLength() - KProxySuffix().Length()); |
|
1088 } |
|
1089 name.Append(KProxySuffix); |
|
1090 return name; |
|
1091 } |
|
1092 |
|
1093 void CIoPersistentConsole::TIoReaderProxy::IorReaderChange(TUint aChange) |
|
1094 { |
|
1095 iReader.IorReaderChange(aChange); |
|
1096 } |
|
1097 |
|
1098 void CIoPersistentConsole::TIoReaderProxy::IorSetConsoleModeComplete(TInt aError) |
|
1099 { |
|
1100 iSetConsoleModePending = EFalse; |
|
1101 iReader.IorSetConsoleModeComplete(aError); |
|
1102 } |
|
1103 |
|
1104 //______________________________________________________________________________ |
|
1105 // TConsoleTitleSetter |
|
1106 TConsoleTitleSetter::TConsoleTitleSetter(HBufC*& aTitle) |
|
1107 : iTitle(aTitle) |
|
1108 { |
|
1109 } |
|
1110 |
|
1111 TInt TConsoleTitleSetter::IowWriteLength() const |
|
1112 { |
|
1113 ASSERT(0); |
|
1114 return 0; |
|
1115 } |
|
1116 |
|
1117 TInt TConsoleTitleSetter::IowWrite(TDes&) |
|
1118 { |
|
1119 ASSERT(0); |
|
1120 return 0; |
|
1121 } |
|
1122 |
|
1123 void TConsoleTitleSetter::IowComplete(TInt) |
|
1124 { |
|
1125 ASSERT(0); |
|
1126 } |
|
1127 |
|
1128 TName TConsoleTitleSetter::IowName() |
|
1129 { |
|
1130 ASSERT(0); |
|
1131 return TName(); |
|
1132 } |
|
1133 |
|
1134 RIoReadWriteHandle::TMode TConsoleTitleSetter::IorwMode() const |
|
1135 { |
|
1136 ASSERT(0); |
|
1137 return RIoReadWriteHandle::EText; |
|
1138 } |
|
1139 |
|
1140 void TConsoleTitleSetter::IowCursorPos(TInt, TPoint) |
|
1141 { |
|
1142 ASSERT(0); |
|
1143 } |
|
1144 |
|
1145 void TConsoleTitleSetter::IowSetCursorPosAbsComplete(TInt) |
|
1146 { |
|
1147 ASSERT(0); |
|
1148 } |
|
1149 |
|
1150 void TConsoleTitleSetter::IowSetCursorPosRelComplete(TInt) |
|
1151 { |
|
1152 ASSERT(0); |
|
1153 } |
|
1154 |
|
1155 void TConsoleTitleSetter::IowSetCursorHeightComplete(TInt) |
|
1156 { |
|
1157 ASSERT(0); |
|
1158 } |
|
1159 |
|
1160 void TConsoleTitleSetter::IowSetTitleComplete(TInt) |
|
1161 { |
|
1162 } |
|
1163 |
|
1164 void TConsoleTitleSetter::IowClearScreenComplete(TInt) |
|
1165 { |
|
1166 ASSERT(0); |
|
1167 } |
|
1168 |
|
1169 void TConsoleTitleSetter::IowClearToEndOfLineComplete(TInt) |
|
1170 { |
|
1171 ASSERT(0); |
|
1172 } |
|
1173 |
|
1174 void TConsoleTitleSetter::IowScreenSize(TInt, TSize) |
|
1175 { |
|
1176 ASSERT(0); |
|
1177 } |
|
1178 |
|
1179 void TConsoleTitleSetter::IowSetAttributesComplete(TInt) |
|
1180 { |
|
1181 ASSERT(0); |
|
1182 } |
|
1183 |
|
1184 HBufC* TConsoleTitleSetter::IowTitleLC() |
|
1185 { |
|
1186 return iTitle->AllocLC(); |
|
1187 } |
|
1188 |
|
1189 |