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1 // console.cpp |
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2 // |
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3 // Copyright (c) 2006 - 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 <e32cons.h> |
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14 #include <e32uid.h> |
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15 #include "server.h" |
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16 #include "console.h" |
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17 #include "log.h" |
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18 |
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19 |
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20 #ifdef IOSRV_LOGGING |
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21 #define CONSOLE_NAME TName consoleName(Name()) |
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22 #define READER_NAME(x) TName readerName((x).IorName()) |
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23 #define WRITER_NAME(x) TName writerName((x).IowName()) |
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24 #else |
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25 #define CONSOLE_NAME |
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26 #define READER_NAME(x) |
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27 #define WRITER_NAME(x) |
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28 #endif |
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29 |
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30 const TInt KConsoleThreadMinHeapSize = 0x1000; |
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31 const TInt KConsoleThreadMaxHeapSize = 0x1000000; |
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32 |
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33 CIoConsole* CIoConsole::NewLC(const TDesC& aImplementation, const TDesC& aTitle, const TSize& aSize, const TIoConfig& aConfig, CIoConsole* aUnderlying, TUint aOptions) |
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34 { |
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35 CIoConsole* self = new(ELeave) CIoConsole(aConfig); |
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36 CleanupClosePushL(*self); |
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37 self->ConstructL(aImplementation, aTitle, aSize, aUnderlying, aOptions); |
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38 return self; |
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39 } |
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40 |
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41 CIoConsole::~CIoConsole() |
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42 { |
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43 // if the sub-thread is servicing a request of ours now, we have to kill it. Otherwise, we might hang |
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44 // when we try and cancel the request AO, if (for example) it's servicing a long-standing Create request. |
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45 if (iRequestAo && (iRequestAo->IsActive()) && (iServerThread.Handle()!=KNullHandle)) |
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46 { |
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47 iServerThread.Kill(KErrCancel); |
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48 iThreadServer.Close(); // this won't be closed by the sub-thread, as we just killed it. |
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49 } |
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50 delete iThreadWatcher; |
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51 delete iRequestAo; |
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52 iRequestQueue.Close(); |
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53 delete iImplementation; |
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54 delete iReader; |
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55 iConsole.Close(); |
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56 delete iCreationTitle ; |
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57 iServerThread.Close(); |
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58 } |
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59 |
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60 const TDesC& CIoConsole::Implementation() const |
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61 { |
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62 return *iImplementation; |
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63 } |
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64 |
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65 TBool CIoConsole::IsType(RIoHandle::TType aType) const |
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66 { |
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67 return ((aType == RIoHandle::EEndPoint) || (aType == RIoHandle::EConsole)); |
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68 } |
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69 |
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70 void CIoConsole::HandleReaderDetached(MIoReader& aReader) |
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71 { |
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72 HandleReadWriterDetached(aReader); |
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73 } |
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74 |
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75 void CIoConsole::HandleWriterDetached(MIoWriter& aWriter) |
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76 { |
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77 HandleReadWriterDetached(aWriter); |
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78 } |
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79 |
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80 template <class T> void CIoConsole::HandleReadWriterDetached(T& aReadWriter) |
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81 { |
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82 // Remove pending requests originated from this reader / writer. |
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83 for (TInt i = (iRequestQueue.Count() - 1); i >= 0; --i) |
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84 { |
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85 TConsoleRequest* request = iRequestQueue[i]; |
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86 if (request->OriginatedFrom(aReadWriter)) |
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87 { |
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88 delete request; |
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89 iRequestQueue.Remove(i); |
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90 } |
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91 } |
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92 |
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93 // If this reader / writer originated the request that's currently being process, abort it. |
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94 if (iRequestAo->CurrentRequest() && iRequestAo->CurrentRequest()->OriginatedFrom(aReadWriter)) |
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95 { |
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96 iRequestAo->Abort(); |
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97 } |
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98 } |
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99 |
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100 void CIoConsole::IorepReadL(MIoReader&) |
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101 { |
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102 if (!iReader->IsActive()) |
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103 { |
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104 iReader->QueueRead(); |
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105 } |
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106 } |
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107 |
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108 void CIoConsole::IorepReadKeyL(MIoReader& aReader) |
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109 { |
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110 IorepReadL(aReader); |
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111 } |
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112 |
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113 void CIoConsole::IorepSetConsoleModeL(RIoReadWriteHandle::TMode aMode, MIoReader& aReader) |
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114 { |
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115 NewRequest(new(ELeave)TConsoleSetModeRequest(aReader, *this, aMode)); |
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116 } |
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117 |
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118 void CIoConsole::IowepWriteL(MIoWriter& aWriter) |
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119 { |
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120 NewRequest(new(ELeave)TConsoleWriteRequest(aWriter)); |
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121 } |
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122 |
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123 void CIoConsole::IowepWriteCancel(MIoWriter&) |
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124 { |
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125 } |
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126 |
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127 void CIoConsole::IowepCursorPosL(MIoWriter& aWriter) const |
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128 { |
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129 NewRequest(new(ELeave)TConsoleCursorPosRequest(aWriter)); |
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130 } |
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131 |
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132 void CIoConsole::IowepSetCursorPosAbsL(const TPoint& aPoint, MIoWriter& aWriter) |
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133 { |
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134 NewRequest(new(ELeave)TConsoleSetCursorPosAbsRequest(aWriter, aPoint)); |
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135 } |
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136 |
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137 void CIoConsole::IowepSetCursorPosRelL(const TPoint& aPoint, MIoWriter& aWriter) |
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138 { |
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139 NewRequest(new(ELeave)TConsoleSetCursorPosRelRequest(aWriter, aPoint)); |
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140 } |
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141 |
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142 void CIoConsole::IowepSetCursorHeightL(TInt aPercentage, MIoWriter& aWriter) |
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143 { |
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144 NewRequest(new(ELeave)TConsoleSetCursorHeightRequest(aWriter, aPercentage)); |
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145 } |
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146 |
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147 void CIoConsole::IowepSetTitleL(MIoWriter& aWriter) |
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148 { |
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149 NewRequest(new(ELeave)TConsoleSetTitleRequest(aWriter)); |
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150 } |
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151 |
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152 void CIoConsole::IowepClearScreenL(MIoWriter& aWriter) |
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153 { |
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154 NewRequest(new(ELeave)TConsoleClearScreenRequest(aWriter)); |
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155 } |
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156 |
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157 void CIoConsole::IowepClearToEndOfLineL(MIoWriter& aWriter) |
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158 { |
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159 NewRequest(new(ELeave)TConsoleClearToEndOfLineRequest(aWriter)); |
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160 } |
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161 |
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162 void CIoConsole::IowepSetAttributesL(TUint aAttributes, ConsoleAttributes::TColor aForegroundColor, ConsoleAttributes::TColor aBackgroundColor, MIoWriter& aWriter) |
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163 { |
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164 NewRequest(new(ELeave)TConsoleSetAttributesRequest(aWriter, aAttributes, aForegroundColor, aBackgroundColor)); |
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165 } |
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166 |
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167 void CIoConsole::IowepScreenSizeL(MIoWriter& aWriter) const |
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168 { |
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169 NewRequest(new(ELeave)TConsoleScreenSizeRequest(aWriter, iConfig)); |
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170 } |
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171 |
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172 CIoConsole::CIoConsole(const TIoConfig& aConfig) |
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173 : iConfig(aConfig), iDetectedSize(-1, -1) |
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174 { |
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175 } |
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176 |
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177 void CIoConsole::ConstructL(const TDesC& aImplementation, const TDesC& aTitle, const TSize& aSize, CIoConsole* aUnderlying, TUint aOptions) |
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178 { |
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179 LOG(CIoLog::Printf(_L("Console 0x%08x created"), this)); |
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180 iCreationTitle = aTitle.AllocL(); |
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181 iCreationSize = aSize; |
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182 |
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183 iRequestAo = new(ELeave)CConsoleRequest(*this); |
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184 |
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185 if (aImplementation.Length()) |
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186 { |
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187 iImplementation = aImplementation.AllocL(); |
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188 } |
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189 else |
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190 { |
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191 iImplementation = iConfig.ConsoleImplementation().AllocL(); |
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192 } |
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193 |
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194 User::LeaveIfError(iConsole.Connect(CIoConsoleProxyServerNewL, iImplementation, *iImplementation, KDefaultStackSize, KConsoleThreadMinHeapSize, KConsoleThreadMaxHeapSize, iThreadServer, iServerThread)); |
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195 iThreadWatcher = new(ELeave)CServerDeathWatcher(iThreadServer, iServerThread); |
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196 if (aOptions & RIoConsole::ELazyCreate) |
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197 { |
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198 User::LeaveIfError(iConsole.SetLazyConstruct()); |
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199 } |
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200 if (iConfig.ConsoleSizeDetect()) |
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201 { |
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202 User::LeaveIfError(iConsole.SetConsoleSizeDetect()); |
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203 } |
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204 if (aUnderlying) |
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205 { |
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206 User::LeaveIfError(aUnderlying->Open()); |
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207 CleanupClosePushL(*aUnderlying); |
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208 NewRequest(new(ELeave)TConsoleSetUnderlyingRequest(*aUnderlying)); |
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209 CleanupStack::Pop(); |
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210 } |
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211 NewRequest(new(ELeave)TConsoleCreateRequest(*this)); |
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212 |
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213 iReader = CConsoleReader::NewL(*this); |
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214 } |
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215 |
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216 void CIoConsole::CreateComplete(TInt aError) |
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217 { |
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218 iCreateStatus = aError; |
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219 } |
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220 |
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221 void CIoConsole::NewRequest(TConsoleRequest* aRequest) const |
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222 { |
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223 ASSERT(aRequest); |
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224 TInt err = iRequestQueue.Append(aRequest); |
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225 if (err!=KErrNone) |
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226 { |
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227 aRequest->CompleteD(err); |
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228 return; |
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229 } |
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230 |
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231 CheckQueue(); |
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232 } |
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233 |
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234 void CIoConsole::CheckQueue() const |
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235 { |
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236 if (iCreateStatus != KErrNone) |
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237 { |
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238 while (iRequestQueue.Count()) |
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239 { |
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240 TConsoleRequest* req = iRequestQueue[0]; |
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241 iRequestQueue.Remove(0); |
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242 req->CompleteD(iCreateStatus); |
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243 } |
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244 return; |
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245 } |
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246 if ((!iRequestAo->IsActive()) && (iRequestQueue.Count())) |
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247 { |
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248 iRequestAo->Service(iRequestQueue[0]); |
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249 iRequestQueue.Remove(0); |
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250 } |
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251 } |
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252 |
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253 void CIoConsole::ConsoleDied() |
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254 { |
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255 iCreateStatus = KErrGeneral; |
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256 |
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257 iReader = CConsoleReader::NewL(*this); |
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258 } |
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259 |
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260 void CIoConsole::ReadComplete(TInt aError) |
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261 { |
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262 MIoReader* foregroundReader = AttachedReader(0); |
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263 if (foregroundReader) |
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264 { |
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265 foregroundReader->IorReadKeyComplete(aError, 0, 0); |
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266 } |
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267 } |
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268 |
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269 void CIoConsole::ReadComplete(TUint aKeyCode, TUint aModifiers) |
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270 { |
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271 TInt index = 0; |
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272 MIoReader* foregroundReader = AttachedReader(index++); |
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273 MIoReader* reader = foregroundReader; |
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274 TBool keyHandled(EFalse); |
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275 while (reader) |
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276 { |
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277 if (reader->IorIsKeyCaptured(aKeyCode, aModifiers)) |
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278 { |
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279 if (reader->IorReadPending()) |
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280 { |
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281 TPtrC keyCodePtr((TUint16*)&aKeyCode, 1); |
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282 reader->IorReadBuf().Append(keyCodePtr); |
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283 reader->IorDataBuffered(1); |
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284 } |
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285 else |
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286 { |
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287 reader->IorReadKeyComplete(KErrNone, aKeyCode, aModifiers); |
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288 } |
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289 keyHandled = ETrue; |
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290 break; |
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291 } |
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292 reader = AttachedReader(index++);; |
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293 } |
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294 |
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295 // Key not captured, so send to foreground (i.e. the first) reader. |
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296 if (!keyHandled && foregroundReader) |
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297 { |
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298 foregroundReader->IorReadKeyComplete(KErrNone, aKeyCode, aModifiers); |
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299 } |
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300 |
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301 QueueReaderIfRequired(); |
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302 } |
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303 |
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304 void CIoConsole::QueueReaderIfRequired() |
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305 { |
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306 TBool pendingReader(EFalse); |
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307 TInt index = 0; |
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308 MIoReader* reader = AttachedReader(index++); |
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309 while (reader) |
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310 { |
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311 if (reader->IorReadPending() || reader->IorReadKeyPending()) |
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312 { |
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313 pendingReader = ETrue; |
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314 break; |
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315 } |
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316 reader = AttachedReader(index++); |
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317 } |
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318 |
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319 if (pendingReader && !iReader->IsActive()) |
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320 { |
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321 iReader->QueueRead(); |
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322 } |
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323 else if (!pendingReader && iReader->IsActive()) |
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324 { |
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325 iReader->Cancel(); |
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326 } |
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327 } |
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328 |
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329 CIoConsole::CConsoleReader* CIoConsole::CConsoleReader::NewL(CIoConsole& aConsole) |
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330 { |
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331 return new(ELeave) CConsoleReader(aConsole); |
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332 } |
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333 |
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334 CIoConsole::CConsoleReader::~CConsoleReader() |
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335 { |
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336 Cancel(); |
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337 } |
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338 |
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339 void CIoConsole::CConsoleReader::QueueRead() |
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340 { |
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341 iConsole.iConsole.Read(iKeyCodePckg, iKeyModifiersPckg, iStatus); |
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342 SetActive(); |
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343 } |
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344 |
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345 CIoConsole::CConsoleReader::CConsoleReader(CIoConsole& aConsole) |
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346 : CActive(CActive::EPriorityStandard), iConsole(aConsole) |
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347 , iKeyCodePckg(iKeyCode), iKeyModifiersPckg(iKeyModifiers) |
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348 { |
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349 CActiveScheduler::Add(this); |
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350 } |
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351 |
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352 void CIoConsole::CConsoleReader::RunL() |
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353 { |
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354 TInt err = iStatus.Int(); |
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355 if (err==KErrServerTerminated) |
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356 { |
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357 iConsole.ConsoleDied(); |
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358 err = KErrGeneral; |
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359 } |
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360 if (err) |
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361 { |
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362 iConsole.ReadComplete(err); |
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363 } |
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364 else |
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365 { |
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366 iConsole.ReadComplete(iKeyCode, iKeyModifiers); |
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367 } |
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368 } |
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369 |
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370 void CIoConsole::CConsoleReader::DoCancel() |
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371 { |
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372 iConsole.iConsole.ReadCancel(); |
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373 } |
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374 |
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375 //______________________________________________________________________________ |
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376 // TConsoleRequest |
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377 void CIoConsole::TConsoleRequest::PrepareL() |
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378 { |
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379 } |
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380 |
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381 TBool CIoConsole::TConsoleRequest::OriginatedFrom(MIoReader&) const |
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382 { |
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383 return EFalse; |
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384 } |
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385 |
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386 TBool CIoConsole::TConsoleRequest::OriginatedFrom(MIoWriter&) const |
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387 { |
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388 return EFalse; |
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389 } |
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390 |
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391 //______________________________________________________________________________ |
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392 // TConsoleWriterRequest |
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393 CIoConsole::TConsoleWriterRequest::TConsoleWriterRequest(MIoWriter& aWriter) |
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394 : iWriter(aWriter) |
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395 { |
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396 } |
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397 |
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398 TBool CIoConsole::TConsoleWriterRequest::OriginatedFrom(MIoWriter& aWriter) const |
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399 { |
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400 return (&iWriter == &aWriter); |
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401 } |
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402 |
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403 //______________________________________________________________________________ |
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404 // TConsoleReaderRequest |
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405 CIoConsole::TConsoleReaderRequest::TConsoleReaderRequest(MIoReader& aReader) |
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406 : iReader(aReader) |
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407 { |
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408 } |
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409 |
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410 TBool CIoConsole::TConsoleReaderRequest::OriginatedFrom(MIoReader& aReader) const |
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411 { |
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412 return (&iReader == &aReader); |
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413 } |
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414 |
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415 //______________________________________________________________________________ |
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416 // TConsoleCreateRequest |
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417 CIoConsole::TConsoleCreateRequest::TConsoleCreateRequest(CIoConsole& aOwner) |
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418 : iOwner(aOwner) |
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419 { |
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420 } |
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421 |
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422 void CIoConsole::TConsoleCreateRequest::Request(RIoConsoleProxy aProxy, TRequestStatus& aStatus) |
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423 { |
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424 aProxy.Create(*iOwner.iCreationTitle, iOwner.iCreationSize, aStatus); |
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425 } |
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426 |
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427 void CIoConsole::TConsoleCreateRequest::CompleteD(TInt aError) |
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428 { |
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429 iOwner.CreateComplete(aError); |
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430 delete this; |
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431 } |
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432 |
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433 //______________________________________________________________________________ |
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434 // TConsoleWriteRequest |
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435 CIoConsole::TConsoleWriteRequest::TConsoleWriteRequest(MIoWriter& aWriter) |
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436 : TConsoleWriterRequest(aWriter), iBuf(NULL) |
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437 { |
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438 } |
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439 |
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440 void CIoConsole::TConsoleWriteRequest::Request(RIoConsoleProxy aProxy, TRequestStatus& aStatus) |
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441 { |
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442 if (iWriter.IowIsStdErr()) |
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443 { |
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444 aProxy.WriteStdErr(*iBuf, aStatus); |
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445 } |
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446 else |
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447 { |
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448 aProxy.Write(*iBuf, aStatus); |
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449 } |
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450 } |
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451 |
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452 void CIoConsole::TConsoleWriteRequest::PrepareL() |
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453 { |
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454 const TInt length = iWriter.IowWriteLength(); |
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455 if (iBuf == NULL) |
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456 { |
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457 iBuf = HBufC::NewL(length); |
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458 } |
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459 else if (iBuf->Des().MaxLength() < length) |
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460 { |
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461 iBuf = iBuf->ReAllocL(length); |
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462 } |
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463 |
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464 TPtr bufPtr(iBuf->Des()); |
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465 bufPtr.Zero(); |
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466 iWriter.IowWrite(bufPtr); |
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467 |
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468 if (iWriter.IorwMode() == RIoReadWriteHandle::EText) |
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469 { |
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470 // Fix line endings (change LF to CRLF). |
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471 RArray<TInt> indicies(5); |
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472 CleanupClosePushL(indicies); |
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473 _LIT(KCarriageReturn, "\r"); |
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474 for (TInt i = 0; i < length; ++i) |
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475 { |
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476 if ((*iBuf)[i] == '\n') |
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477 { |
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478 if ((i == 0) || ((*iBuf)[i - 1] != '\r')) |
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479 { |
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480 User::LeaveIfError(indicies.Append(i)); |
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481 } |
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482 } |
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483 } |
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484 const TInt count = indicies.Count(); |
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485 if (count > 0) |
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486 { |
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487 if (bufPtr.MaxLength() < (length + count)) |
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488 { |
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489 iBuf = iBuf->ReAllocL(length + count); |
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490 bufPtr.Set(iBuf->Des()); |
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491 } |
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492 for (TInt i = (count - 1); i >= 0; --i) |
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493 { |
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494 bufPtr.Insert(indicies[i], KCarriageReturn); |
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495 } |
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496 } |
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497 CleanupStack::PopAndDestroy(&indicies); |
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498 } |
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499 |
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500 } |
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501 |
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502 void CIoConsole::TConsoleWriteRequest::CompleteD(TInt aError) |
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503 { |
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504 delete iBuf; |
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505 iWriter.IowComplete(aError); |
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506 delete this; |
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507 } |
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508 |
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509 //______________________________________________________________________________ |
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510 // TConsoleCursorPosRequest |
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511 CIoConsole::TConsoleCursorPosRequest::TConsoleCursorPosRequest(MIoWriter& aWriter) |
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512 : TConsoleWriterRequest(aWriter), iPosPckg(iPos) |
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513 { |
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514 } |
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515 |
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516 void CIoConsole::TConsoleCursorPosRequest::Request(RIoConsoleProxy aProxy, TRequestStatus& aStatus) |
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517 { |
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518 aProxy.CursorPos(iPosPckg, aStatus); |
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519 } |
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520 |
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521 void CIoConsole::TConsoleCursorPosRequest::CompleteD(TInt aError) |
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522 { |
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523 iWriter.IowCursorPos(aError, iPos); |
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524 delete this; |
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525 } |
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526 |
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527 //______________________________________________________________________________ |
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528 // TConsoleSetCursorPosAbsRequest |
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529 CIoConsole::TConsoleSetCursorPosAbsRequest::TConsoleSetCursorPosAbsRequest(MIoWriter& aWriter, const TPoint& aPoint) |
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530 : TConsoleWriterRequest(aWriter), iPoint(aPoint) |
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531 { |
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532 } |
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533 |
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534 void CIoConsole::TConsoleSetCursorPosAbsRequest::Request(RIoConsoleProxy aProxy, TRequestStatus& aStatus) |
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535 { |
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536 aProxy.SetCursorPosAbs(iPoint, aStatus); |
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537 } |
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538 |
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539 void CIoConsole::TConsoleSetCursorPosAbsRequest::CompleteD(TInt aError) |
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540 { |
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541 iWriter.IowSetCursorPosAbsComplete(aError); |
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542 delete this; |
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543 } |
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544 |
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545 //______________________________________________________________________________ |
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546 // TConsoleSetCursorPosRelRequest |
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547 CIoConsole::TConsoleSetCursorPosRelRequest::TConsoleSetCursorPosRelRequest(MIoWriter& aWriter, const TPoint& aPoint) |
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548 : TConsoleWriterRequest(aWriter), iPoint(aPoint) |
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549 { |
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550 } |
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551 |
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552 void CIoConsole::TConsoleSetCursorPosRelRequest::Request(RIoConsoleProxy aProxy, TRequestStatus& aStatus) |
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553 { |
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554 aProxy.SetCursorPosRel(iPoint, aStatus); |
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555 } |
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556 |
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557 void CIoConsole::TConsoleSetCursorPosRelRequest::CompleteD(TInt aError) |
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558 { |
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559 iWriter.IowSetCursorPosRelComplete(aError); |
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560 delete this; |
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561 } |
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562 |
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563 //______________________________________________________________________________ |
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564 // TConsoleSetCursorHeightRequest |
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565 CIoConsole::TConsoleSetCursorHeightRequest::TConsoleSetCursorHeightRequest(MIoWriter& aWriter, TInt aHeight) |
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566 : TConsoleWriterRequest(aWriter), iHeight(aHeight) |
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567 { |
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568 } |
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569 |
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570 void CIoConsole::TConsoleSetCursorHeightRequest::Request(RIoConsoleProxy aProxy, TRequestStatus& aStatus) |
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571 { |
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572 aProxy.SetCursorHeight(iHeight, aStatus); |
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573 } |
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574 |
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575 void CIoConsole::TConsoleSetCursorHeightRequest::CompleteD(TInt aError) |
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576 { |
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577 iWriter.IowSetCursorHeightComplete(aError); |
|
578 delete this; |
|
579 } |
|
580 |
|
581 //______________________________________________________________________________ |
|
582 // TConsoleSetTitleRequest |
|
583 CIoConsole::TConsoleSetTitleRequest::TConsoleSetTitleRequest(MIoWriter& aWriter) |
|
584 : TConsoleWriterRequest(aWriter) |
|
585 { |
|
586 } |
|
587 |
|
588 void CIoConsole::TConsoleSetTitleRequest::Request(RIoConsoleProxy aProxy, TRequestStatus& aStatus) |
|
589 { |
|
590 aProxy.SetTitle(*iTitle, aStatus); |
|
591 } |
|
592 |
|
593 void CIoConsole::TConsoleSetTitleRequest::PrepareL() |
|
594 { |
|
595 iTitle = iWriter.IowTitleLC(); |
|
596 CleanupStack::Pop(iTitle); |
|
597 } |
|
598 |
|
599 void CIoConsole::TConsoleSetTitleRequest::CompleteD(TInt aError) |
|
600 { |
|
601 delete iTitle; |
|
602 iWriter.IowSetTitleComplete(aError); |
|
603 delete this; |
|
604 } |
|
605 |
|
606 //______________________________________________________________________________ |
|
607 // TConsoleClearScreenRequest |
|
608 CIoConsole::TConsoleClearScreenRequest::TConsoleClearScreenRequest(MIoWriter& aWriter) |
|
609 : TConsoleWriterRequest(aWriter) |
|
610 { |
|
611 } |
|
612 |
|
613 void CIoConsole::TConsoleClearScreenRequest::Request(RIoConsoleProxy aProxy, TRequestStatus& aStatus) |
|
614 { |
|
615 aProxy.ClearScreen(aStatus); |
|
616 } |
|
617 |
|
618 void CIoConsole::TConsoleClearScreenRequest::CompleteD(TInt aError) |
|
619 { |
|
620 iWriter.IowClearScreenComplete(aError); |
|
621 delete this; |
|
622 } |
|
623 |
|
624 |
|
625 |
|
626 |
|
627 //______________________________________________________________________________ |
|
628 // TConsoleClearToEndOfLineRequest |
|
629 CIoConsole::TConsoleClearToEndOfLineRequest::TConsoleClearToEndOfLineRequest(MIoWriter& aWriter) |
|
630 : TConsoleWriterRequest(aWriter) |
|
631 { |
|
632 } |
|
633 |
|
634 void CIoConsole::TConsoleClearToEndOfLineRequest::Request(RIoConsoleProxy aProxy, TRequestStatus& aStatus) |
|
635 { |
|
636 aProxy.ClearToEndOfLine(aStatus); |
|
637 } |
|
638 |
|
639 void CIoConsole::TConsoleClearToEndOfLineRequest::CompleteD(TInt aError) |
|
640 { |
|
641 iWriter.IowClearToEndOfLineComplete(aError); |
|
642 delete this; |
|
643 } |
|
644 |
|
645 |
|
646 |
|
647 |
|
648 //______________________________________________________________________________ |
|
649 // TConsoleScreenSizeRequest |
|
650 CIoConsole::TConsoleScreenSizeRequest::TConsoleScreenSizeRequest(MIoWriter& aWriter, const TIoConfig& aConfig) |
|
651 : TConsoleWriterRequest(aWriter), iConfig(aConfig), iSizeBuf(iSize) |
|
652 { |
|
653 } |
|
654 |
|
655 void CIoConsole::TConsoleScreenSizeRequest::Request(RIoConsoleProxy aProxy, TRequestStatus& aStatus) |
|
656 { |
|
657 aProxy.GetScreenSize(iSizeBuf, aStatus); |
|
658 } |
|
659 |
|
660 void CIoConsole::TConsoleScreenSizeRequest::CompleteD(TInt aError) |
|
661 { |
|
662 if (aError==KErrNone) |
|
663 { |
|
664 iSize.iWidth += iConfig.ConsoleSizeAdjustment().iWidth; |
|
665 iSize.iHeight += iConfig.ConsoleSizeAdjustment().iHeight; |
|
666 } |
|
667 iWriter.IowScreenSize(aError, iSize); |
|
668 delete this; |
|
669 } |
|
670 |
|
671 //______________________________________________________________________________ |
|
672 // TConsoleSetAttributesRequest |
|
673 CIoConsole::TConsoleSetAttributesRequest::TConsoleSetAttributesRequest(MIoWriter& aWriter, TUint aAttributes, ConsoleAttributes::TColor aForegroundColor, ConsoleAttributes::TColor aBackgroundColor) |
|
674 : TConsoleWriterRequest(aWriter), iAttributes(aAttributes), iForegroundColor(aForegroundColor), iBackgroundColor(aBackgroundColor) |
|
675 { |
|
676 } |
|
677 |
|
678 void CIoConsole::TConsoleSetAttributesRequest::Request(RIoConsoleProxy aProxy, TRequestStatus& aStatus) |
|
679 { |
|
680 aProxy.SetAttributes(iAttributes, iForegroundColor, iBackgroundColor, aStatus); |
|
681 } |
|
682 |
|
683 void CIoConsole::TConsoleSetAttributesRequest::CompleteD(TInt aError) |
|
684 { |
|
685 iWriter.IowSetAttributesComplete(aError); |
|
686 delete this; |
|
687 } |
|
688 |
|
689 |
|
690 //______________________________________________________________________________ |
|
691 // TConsoleSetUnderlyingRequest |
|
692 CIoConsole::TConsoleSetUnderlyingRequest::TConsoleSetUnderlyingRequest(CIoConsole& aUnderlyingConsole) |
|
693 : iConsole(aUnderlyingConsole) |
|
694 { |
|
695 } |
|
696 |
|
697 void CIoConsole::TConsoleSetUnderlyingRequest::Request(RIoConsoleProxy aProxy, TRequestStatus& aStatus) |
|
698 { |
|
699 aProxy.SetUnderlyingConsole(iSession, aStatus); |
|
700 } |
|
701 |
|
702 void CIoConsole::TConsoleSetUnderlyingRequest::PrepareL() |
|
703 { |
|
704 if (iConsole.iThreadServer.Handle()) |
|
705 { |
|
706 User::LeaveIfError(iSession.Connect(iConsole.iThreadServer)); |
|
707 } |
|
708 else |
|
709 { |
|
710 User::Leave(KErrBadHandle); |
|
711 } |
|
712 } |
|
713 |
|
714 void CIoConsole::TConsoleSetUnderlyingRequest::CompleteD(TInt) |
|
715 { |
|
716 iSession.Close(); |
|
717 iConsole.Close(); |
|
718 delete this; |
|
719 } |
|
720 |
|
721 //______________________________________________________________________________ |
|
722 // TConsoleSetModeRequest |
|
723 CIoConsole::TConsoleSetModeRequest::TConsoleSetModeRequest(MIoReader& aReader,CIoConsole& aConsole, RIoReadWriteHandle::TMode aMode) |
|
724 : TConsoleReaderRequest(aReader), iConsole(aConsole), iMode(aMode) |
|
725 { |
|
726 } |
|
727 |
|
728 void CIoConsole::TConsoleSetModeRequest::Request(RIoConsoleProxy aProxy, TRequestStatus& aStatus) |
|
729 { |
|
730 iConsole.iReader->Cancel(); |
|
731 aProxy.SetConsoleMode(iMode, aStatus); |
|
732 } |
|
733 |
|
734 void CIoConsole::TConsoleSetModeRequest::CompleteD(TInt aError) |
|
735 { |
|
736 iConsole.QueueReaderIfRequired(); |
|
737 iReader.IorSetConsoleModeComplete(aError); |
|
738 delete this; |
|
739 } |
|
740 |
|
741 //______________________________________________________________________________ |
|
742 // CConsoleRequest |
|
743 CIoConsole::CConsoleRequest::CConsoleRequest(CIoConsole& aConsole) |
|
744 : CActive(EPriorityStandard), iConsole(aConsole) |
|
745 { |
|
746 CActiveScheduler::Add(this); |
|
747 } |
|
748 |
|
749 void CIoConsole::CConsoleRequest::Service(TConsoleRequest* aRequest) |
|
750 { |
|
751 ASSERT(!IsActive()); |
|
752 ASSERT(!iCurrentRequest); |
|
753 TRAPD(err, aRequest->PrepareL()); |
|
754 if (err!=KErrNone) |
|
755 { |
|
756 Complete(aRequest, err); |
|
757 return; |
|
758 } |
|
759 aRequest->Request(iConsole.iConsole, iStatus); |
|
760 SetActive(); |
|
761 iCurrentRequest = aRequest; |
|
762 } |
|
763 |
|
764 void CIoConsole::CConsoleRequest::Complete(TConsoleRequest* aRequest, TInt aError) |
|
765 { |
|
766 if (aError == KErrServerTerminated) |
|
767 { |
|
768 // console has panicked. |
|
769 iConsole.ConsoleDied(); |
|
770 // don't want to send KErrServerTerminated up to our (iosrv) clients, as it will |
|
771 // make them think the iosrv has died. |
|
772 aError = KErrGeneral; |
|
773 } |
|
774 if (aRequest) |
|
775 { |
|
776 aRequest->CompleteD(aError); |
|
777 } |
|
778 iConsole.CheckQueue(); |
|
779 } |
|
780 |
|
781 |
|
782 CIoConsole::CConsoleRequest::~CConsoleRequest() |
|
783 { |
|
784 Cancel(); |
|
785 } |
|
786 |
|
787 void CIoConsole::CConsoleRequest::RunL() |
|
788 { |
|
789 TConsoleRequest* req = iCurrentRequest; |
|
790 iCurrentRequest = NULL; |
|
791 Complete(req, iStatus.Int()); |
|
792 } |
|
793 |
|
794 void CIoConsole::CConsoleRequest::DoCancel() |
|
795 { |
|
796 // request are handled synchronously on the server side, no cancelling is possible. |
|
797 } |
|
798 |
|
799 const CIoConsole::TConsoleRequest* CIoConsole::CConsoleRequest::CurrentRequest() const |
|
800 { |
|
801 return iCurrentRequest; |
|
802 } |
|
803 |
|
804 void CIoConsole::CConsoleRequest::Abort() |
|
805 { |
|
806 // We can't cancel a pending request (because they are handled synchronously on the server side), |
|
807 // so instead we delete and NULL the associated request object. This active object will then |
|
808 // continue to wait for the server to complete the request (as normal), but will take no further |
|
809 // action. This is used when the originating MIoReader or MIoWriter object has been detached from |
|
810 // the console and no longer exists. |
|
811 ASSERT(IsActive()); |
|
812 ASSERT(iCurrentRequest); |
|
813 delete iCurrentRequest; |
|
814 iCurrentRequest = NULL; |
|
815 } |
|
816 |
|
817 |
|
818 //______________________________________________________________________________ |
|
819 // CServerDeathWatcher |
|
820 CIoConsole::CServerDeathWatcher::CServerDeathWatcher(RServer2& aServer, RThread& aThread) |
|
821 : CActive(CActive::EPriorityStandard), iServer(aServer), iThread(aThread) |
|
822 { |
|
823 CActiveScheduler::Add(this); |
|
824 aThread.Logon(iStatus); |
|
825 SetActive(); |
|
826 } |
|
827 |
|
828 CIoConsole::CServerDeathWatcher::~CServerDeathWatcher() |
|
829 { |
|
830 Cancel(); |
|
831 } |
|
832 |
|
833 void CIoConsole::CServerDeathWatcher::RunL() |
|
834 { |
|
835 } |
|
836 |
|
837 void CIoConsole::CServerDeathWatcher::DoCancel() |
|
838 { |
|
839 iThread.LogonCancel(iStatus); |
|
840 } |
|
841 |
|
842 //______________________________________________________________________________ |
|
843 // RIoConsoleProxy |
|
844 TInt RIoConsoleProxy::SetConsoleSizeDetect() |
|
845 { |
|
846 return SendReceive(ESetConsoleSizeDetect); |
|
847 } |
|
848 |
|
849 TInt RIoConsoleProxy::SetLazyConstruct() |
|
850 { |
|
851 return SendReceive(ESetLazyConstruct); |
|
852 } |
|
853 |
|
854 void RIoConsoleProxy::SetConsoleMode(RIoReadWriteHandle::TMode aMode, TRequestStatus& aStatus) |
|
855 { |
|
856 SendReceive(ESetConsoleMode, TIpcArgs(aMode), aStatus); |
|
857 } |
|
858 |
|
859 void RIoConsoleProxy::SetUnderlyingConsole(const RIoConsoleProxy& aUnderlyingSession, TRequestStatus& aStatus) |
|
860 { |
|
861 SendReceive(ESetUnderlyingConsole, TIpcArgs(aUnderlyingSession), aStatus); |
|
862 } |
|
863 |
|
864 TInt RIoConsoleProxy::OpenExisting() |
|
865 { |
|
866 return SendReceive(EOpenExistingConsole); |
|
867 } |
|
868 |
|
869 void RIoConsoleProxy::WriteStdErr(const TDesC& aDescriptor, TRequestStatus& aStatus) |
|
870 { |
|
871 SendReceive(EWriteStdErr, TIpcArgs(&aDescriptor), aStatus); |
|
872 } |
|
873 |
|
874 //______________________________________________________________________________ |
|
875 // CIoConsoleProxyServer |
|
876 CConsoleProxyServer* CIoConsoleProxyServerNewL(TAny* aParams) |
|
877 { |
|
878 const TDesC* dllName = (const TDesC*)aParams; |
|
879 RLibrary lib; |
|
880 |
|
881 User::LeaveIfError(lib.Load(*dllName)); |
|
882 CleanupClosePushL(lib); |
|
883 if ((lib.Type()[1] == KSharedLibraryUid) && (lib.Type()[2] == KConsoleDllUid)) |
|
884 { |
|
885 TConsoleCreateFunction entry = (TConsoleCreateFunction)lib.Lookup(1); |
|
886 if (!entry) User::Leave(KErrNotSupported); |
|
887 CleanupStack::Pop(&lib); |
|
888 return CIoConsoleProxyServer::NewL(entry, lib); |
|
889 } |
|
890 else |
|
891 { |
|
892 User::Leave(KErrNotSupported); |
|
893 return NULL; // ASSERT(Happy(compiler)) |
|
894 } |
|
895 } |
|
896 |
|
897 CIoConsoleProxyServer* CIoConsoleProxyServer::NewL(TConsoleCreateFunction aConsoleCreate, RLibrary& aConsoleLibrary) |
|
898 { |
|
899 CIoConsoleProxyServer* self = new CIoConsoleProxyServer(aConsoleCreate, aConsoleLibrary); |
|
900 if (!self) |
|
901 { |
|
902 aConsoleLibrary.Close(); |
|
903 User::Leave(KErrNoMemory); |
|
904 } |
|
905 CleanupStack::PushL(self); |
|
906 self->ConstructL(KNullDesC); |
|
907 CleanupStack::Pop(self); |
|
908 return self; |
|
909 } |
|
910 |
|
911 CIoConsoleProxyServer::CIoConsoleProxyServer(TConsoleCreateFunction aConsoleCreate, const RLibrary& aConsoleLibrary) |
|
912 : CConsoleProxyServer(aConsoleCreate, CActive::EPriorityStandard) |
|
913 , iConsoleLibrary(aConsoleLibrary) |
|
914 { |
|
915 } |
|
916 |
|
917 CSession2* CIoConsoleProxyServer::NewSessionL(const TVersion&,const RMessage2&) const |
|
918 { |
|
919 return new(ELeave)CIoConsoleProxySession(iConsoleCreate); |
|
920 } |
|
921 |
|
922 CIoConsoleProxyServer::~CIoConsoleProxyServer() |
|
923 { |
|
924 iConsoleLibrary.Close(); |
|
925 } |
|
926 |
|
927 MProxiedConsole* CIoConsoleProxyServer::TheConsole() const |
|
928 { |
|
929 return iTheConsole; |
|
930 } |
|
931 |
|
932 void CIoConsoleProxyServer::SetTheConsole(MProxiedConsole* aConsole) |
|
933 { |
|
934 ASSERT(!iTheConsole); |
|
935 iTheConsole = aConsole; |
|
936 } |
|
937 |
|
938 //______________________________________________________________________________ |
|
939 TSize DetectConsoleSize(CConsoleBase* aConsole) |
|
940 { |
|
941 TSize detectedSize; |
|
942 aConsole->SetCursorHeight(0); |
|
943 aConsole->ScreenSize(); // This used to be assigned to a variable, which was never used, but I'm not sure if calling ScreenSize() has side-effects so I'm leaving the call in |
|
944 aConsole->SetCursorPosAbs(TPoint(0, 0)); |
|
945 _LIT(KSpace, " "); |
|
946 for (TInt x = 0; ; ++x) |
|
947 { |
|
948 aConsole->Write(KSpace); |
|
949 if (aConsole->CursorPos().iX == 0) |
|
950 { |
|
951 detectedSize.iWidth = x + 1; |
|
952 break; |
|
953 } |
|
954 } |
|
955 aConsole->SetCursorPosAbs(TPoint(0, 0)); |
|
956 TInt prevYPos = 0; |
|
957 _LIT(KNewLine, "\r\n"); |
|
958 for (TInt y = 0; ; ++y) |
|
959 { |
|
960 aConsole->Write(KNewLine); |
|
961 if (aConsole->CursorPos().iY == prevYPos) |
|
962 { |
|
963 detectedSize.iHeight = y; |
|
964 break; |
|
965 } |
|
966 else |
|
967 { |
|
968 prevYPos = y; |
|
969 } |
|
970 } |
|
971 aConsole->ClearScreen(); |
|
972 aConsole->SetCursorHeight(20); |
|
973 return detectedSize; |
|
974 } |
|
975 |
|
976 //______________________________________________________________________________ |
|
977 // CIoConsoleProxySession |
|
978 CIoConsoleProxySession::CIoConsoleProxySession(TConsoleCreateFunction aConsoleCreate) |
|
979 : CConsoleProxySession(aConsoleCreate), iFlags(ESupportsStdErr) |
|
980 { |
|
981 // Assume ESupportsStdErr until proven otherwise |
|
982 } |
|
983 |
|
984 CIoConsoleProxySession::~CIoConsoleProxySession() |
|
985 { |
|
986 delete iUnderlyingConsole; |
|
987 } |
|
988 |
|
989 void CIoConsoleProxySession::ServiceL(const RMessage2& aMessage) |
|
990 { |
|
991 switch (aMessage.Function()) |
|
992 { |
|
993 case RIoConsoleProxy::ESetConsoleSizeDetect: |
|
994 if (iConsole) User::Leave(KErrNotReady); // too late! |
|
995 SetFlag(EAutoDetectSize, ETrue); |
|
996 aMessage.Complete(KErrNone); |
|
997 return; |
|
998 case RIoConsoleProxy::ESetLazyConstruct: |
|
999 if (iConsole) User::Leave(KErrNotReady); // too late! |
|
1000 SetFlag(ELazy, ETrue); |
|
1001 aMessage.Complete(KErrNone); |
|
1002 return; |
|
1003 case RIoConsoleProxy::ESetConsoleMode: |
|
1004 SetModeL(aMessage); |
|
1005 return; |
|
1006 case RIoConsoleProxy::ESetUnderlyingConsole: |
|
1007 SetUnderlyingConsoleL(aMessage); |
|
1008 return; |
|
1009 case RIoConsoleProxy::EOpenExistingConsole: |
|
1010 OpenExistingL(aMessage); |
|
1011 return; |
|
1012 case RConsoleProxy::EGetScreenSize: |
|
1013 if (GetFlag(EAutoDetectSize) && !GetFlag(ELazy)) |
|
1014 { |
|
1015 DetectSizeL(aMessage); |
|
1016 return; |
|
1017 } |
|
1018 break; |
|
1019 case RIoConsoleProxy::EWriteStdErr: |
|
1020 { |
|
1021 RBuf buf; |
|
1022 CleanupClosePushL(buf); |
|
1023 buf.CreateL(aMessage.GetDesLengthL(0)); |
|
1024 aMessage.ReadL(0, buf); |
|
1025 if (iFlags & ESupportsStdErr) |
|
1026 { |
|
1027 TInt err = ConsoleStdErr::Write(iConsole->Console(), buf); |
|
1028 if (err != KErrNone) |
|
1029 { |
|
1030 // Clearly it doesn't support it, clear the flag so we fall back to normal write and don't bother trying again |
|
1031 iFlags &= ~ESupportsStdErr; |
|
1032 } |
|
1033 } |
|
1034 |
|
1035 if (!(iFlags & ESupportsStdErr)) |
|
1036 { |
|
1037 iConsole->Console()->Write(buf); |
|
1038 } |
|
1039 CleanupStack::PopAndDestroy(&buf); |
|
1040 aMessage.Complete(KErrNone); |
|
1041 return; |
|
1042 } |
|
1043 default: |
|
1044 break; |
|
1045 } |
|
1046 |
|
1047 CConsoleProxySession::ServiceL(aMessage); |
|
1048 } |
|
1049 |
|
1050 MProxiedConsole* CIoConsoleProxySession::InstantiateConsoleL() |
|
1051 { |
|
1052 if (Server()->TheConsole()!=NULL) |
|
1053 { |
|
1054 // make sure that only 1 console is ever created in this server |
|
1055 User::Leave(KErrAlreadyExists); |
|
1056 } |
|
1057 MProxiedConsole* cons; |
|
1058 if (GetFlag(ELazy)) |
|
1059 { |
|
1060 CLazyConsole* lazy = new(ELeave)CLazyConsole(iConsoleCreate, GetFlag(EAutoDetectSize)); |
|
1061 CleanupStack::PushL(lazy); |
|
1062 cons = MProxiedConsole::DefaultL(lazy); |
|
1063 CleanupStack::Pop(); |
|
1064 } |
|
1065 else |
|
1066 { |
|
1067 cons = CConsoleProxySession::InstantiateConsoleL(); |
|
1068 } |
|
1069 |
|
1070 Server()->SetTheConsole(cons); |
|
1071 |
|
1072 if (iUnderlyingConsole) |
|
1073 { |
|
1074 TInt err = UnderlyingConsole::Set(cons->Console(), iUnderlyingConsole); |
|
1075 // if this succeeds, ownership of the underlying console has been taken |
|
1076 // if it didn't, we should delete it as it's not needed. |
|
1077 if (err!=KErrNone) |
|
1078 { |
|
1079 delete iUnderlyingConsole; |
|
1080 } |
|
1081 iUnderlyingConsole = NULL; |
|
1082 } |
|
1083 |
|
1084 return cons; |
|
1085 } |
|
1086 |
|
1087 void CIoConsoleProxySession::ConsoleCreatedL(MProxiedConsole* aConsole) |
|
1088 { |
|
1089 if (GetFlag(EAutoDetectSize) && !(GetFlag(ELazy))) |
|
1090 { |
|
1091 iDetectedSize = DetectConsoleSize(aConsole->Console()); |
|
1092 } |
|
1093 } |
|
1094 |
|
1095 void CIoConsoleProxySession::DetectSizeL(const RMessage2& aMessage) |
|
1096 { |
|
1097 if (!iConsole) User::Leave(KErrNotReady); |
|
1098 |
|
1099 aMessage.WriteL(0, TPckg<TSize>(iDetectedSize)); |
|
1100 aMessage.Complete(KErrNone); |
|
1101 } |
|
1102 |
|
1103 void CIoConsoleProxySession::SetModeL(const RMessage2& aMessage) |
|
1104 { |
|
1105 if (!iConsole) User::Leave(KErrNotReady); |
|
1106 RIoReadWriteHandle::TMode mode = (RIoReadWriteHandle::TMode)aMessage.Int0(); |
|
1107 TInt err = ConsoleMode::Set(iConsole->Console(), (mode == RIoReadWriteHandle::EBinary) ? ConsoleMode::EBinary : ConsoleMode::EText); |
|
1108 aMessage.Complete(err); |
|
1109 } |
|
1110 |
|
1111 void CIoConsoleProxySession::SetUnderlyingConsoleL(const RMessage2& aMessage) |
|
1112 { |
|
1113 if (iUnderlyingConsole) User::Leave(KErrAlreadyExists); |
|
1114 |
|
1115 RIoConsoleProxy underlyingSession; |
|
1116 RThread client; |
|
1117 aMessage.ClientL(client, EOwnerThread); |
|
1118 CleanupClosePushL(client); |
|
1119 |
|
1120 underlyingSession.SetHandle(aMessage.Int0()); |
|
1121 User::LeaveIfError(underlyingSession.Duplicate(client, EOwnerThread)); |
|
1122 |
|
1123 CleanupClosePushL(underlyingSession); |
|
1124 User::LeaveIfError(underlyingSession.OpenExisting()); |
|
1125 |
|
1126 CConsoleProxy* underlying = CWriteOnlyConsoleProxy::NewL(underlyingSession); |
|
1127 |
|
1128 CleanupStack::PopAndDestroy(2, &client); // we can close underlyingSession as it's been duplicated by CConsoleProxy::NewL |
|
1129 |
|
1130 if (iConsole && iConsole->Console()) |
|
1131 { |
|
1132 CleanupStack::PushL(underlying); |
|
1133 User::LeaveIfError(UnderlyingConsole::Set(iConsole->Console(), underlying)); |
|
1134 // ownership of underlying now taken. |
|
1135 CleanupStack::Pop(); |
|
1136 } |
|
1137 else |
|
1138 { |
|
1139 // save it for when the console is instantiated |
|
1140 iUnderlyingConsole = underlying; |
|
1141 } |
|
1142 |
|
1143 aMessage.Complete(KErrNone); |
|
1144 } |
|
1145 |
|
1146 void CIoConsoleProxySession::OpenExistingL(const RMessage2& aMessage) |
|
1147 { |
|
1148 if (Server()->TheConsole()==NULL) User::Leave(KErrNotReady); // no console to connect to |
|
1149 |
|
1150 iConsole = Server()->TheConsole(); |
|
1151 iConsole->Open(); |
|
1152 aMessage.Complete(KErrNone); |
|
1153 } |
|
1154 |
|
1155 TBool CIoConsoleProxySession::GetFlag(TFlag aFlag) |
|
1156 { |
|
1157 return iFlags & aFlag ? (TBool)ETrue : EFalse; |
|
1158 } |
|
1159 |
|
1160 void CIoConsoleProxySession::SetFlag(TFlag aFlag, TBool aSet) |
|
1161 { |
|
1162 if (aSet) |
|
1163 { |
|
1164 iFlags |= aFlag; |
|
1165 } |
|
1166 else |
|
1167 { |
|
1168 iFlags &= (~(TUint)aFlag); |
|
1169 } |
|
1170 } |
|
1171 |
|
1172 |
|
1173 //______________________________________________________________________________ |
|
1174 // CWriteOnlyConsoleProxy |
|
1175 CConsoleProxy* CWriteOnlyConsoleProxy::NewL(const RConsoleProxy& aProxySession) |
|
1176 { |
|
1177 CWriteOnlyConsoleProxy* self = new(ELeave)CWriteOnlyConsoleProxy(); |
|
1178 CleanupStack::PushL(self); |
|
1179 self->ConstructL(aProxySession); |
|
1180 CleanupStack::Pop(self); |
|
1181 return self; |
|
1182 } |
|
1183 |
|
1184 CWriteOnlyConsoleProxy::CWriteOnlyConsoleProxy() |
|
1185 { |
|
1186 } |
|
1187 |
|
1188 void CWriteOnlyConsoleProxy::Read(TRequestStatus&) |
|
1189 { |
|
1190 User::Panic(KIoServerName, EPanicCannotReadFromUnderlyingConsole); |
|
1191 } |
|
1192 |
|
1193 void CWriteOnlyConsoleProxy::ReadCancel() |
|
1194 { |
|
1195 } |
|
1196 |
|
1197 TKeyCode CWriteOnlyConsoleProxy::KeyCode() const |
|
1198 { |
|
1199 return EKeyNull; |
|
1200 } |
|
1201 |
|
1202 |
|
1203 TUint CWriteOnlyConsoleProxy::KeyModifiers() const |
|
1204 { |
|
1205 return 0; |
|
1206 } |
|
1207 |
|
1208 //______________________________________________________________________________ |
|
1209 // CLazyConsole |
|
1210 CLazyConsole::CLazyConsole(TConsoleCreateFunction aConsoleCreate, TBool aAutoDetectSize) |
|
1211 : iConsoleCreate(aConsoleCreate), iSizeAutoDetect(aAutoDetectSize) |
|
1212 { |
|
1213 } |
|
1214 |
|
1215 CLazyConsole::~CLazyConsole() |
|
1216 { |
|
1217 iTitle.Close(); |
|
1218 delete iConsole; |
|
1219 } |
|
1220 |
|
1221 TInt CLazyConsole::Create(const TDesC &aTitle,TSize aSize) |
|
1222 { |
|
1223 iSize = aSize; |
|
1224 return iTitle.Create(aTitle); |
|
1225 } |
|
1226 |
|
1227 TInt CLazyConsole::CheckCreated() const |
|
1228 { |
|
1229 if (iCreateError) return iCreateError; |
|
1230 if (iConsole) return KErrNone; |
|
1231 |
|
1232 TRAP(iCreateError, iConsole = iConsoleCreate()); |
|
1233 if ((iCreateError==KErrNone) && (!iConsole)) |
|
1234 { |
|
1235 iCreateError = KErrNoMemory; |
|
1236 } |
|
1237 if (iCreateError == KErrNone) |
|
1238 { |
|
1239 TName procName = RProcess().Name(); // econseik sets the process name to the console title... |
|
1240 iCreateError = iConsole->Create(iTitle, iSize); |
|
1241 User::RenameProcess(procName.Left(procName.Locate('['))); // ...so restore it just in case |
|
1242 } |
|
1243 if ((iCreateError == KErrNone) && iSizeAutoDetect) |
|
1244 { |
|
1245 iDetectedSize = DetectConsoleSize(iConsole); |
|
1246 } |
|
1247 if (iCreateError != KErrNone) |
|
1248 { |
|
1249 delete iConsole; |
|
1250 iConsole = NULL; |
|
1251 } |
|
1252 return iCreateError; |
|
1253 } |
|
1254 |
|
1255 void CLazyConsole::Read(TRequestStatus &aStatus) |
|
1256 { |
|
1257 TInt err = CheckCreated(); |
|
1258 if (err) |
|
1259 { |
|
1260 TRequestStatus* stat = &aStatus; |
|
1261 User::RequestComplete(stat, err); |
|
1262 return; |
|
1263 } |
|
1264 iConsole->Read(aStatus); |
|
1265 } |
|
1266 |
|
1267 void CLazyConsole::ReadCancel() |
|
1268 { |
|
1269 if (iConsole) |
|
1270 { |
|
1271 iConsole->ReadCancel(); |
|
1272 } |
|
1273 } |
|
1274 |
|
1275 void CLazyConsole::Write(const TDesC &aDes) |
|
1276 { |
|
1277 if (CheckCreated() == KErrNone) |
|
1278 { |
|
1279 iConsole->Write(aDes); |
|
1280 } |
|
1281 } |
|
1282 |
|
1283 TPoint CLazyConsole::CursorPos() const |
|
1284 { |
|
1285 if (CheckCreated() == KErrNone) |
|
1286 { |
|
1287 return iConsole->CursorPos(); |
|
1288 } |
|
1289 return TPoint(0,0); |
|
1290 } |
|
1291 |
|
1292 void CLazyConsole::SetCursorPosAbs(const TPoint &aPoint) |
|
1293 { |
|
1294 if (CheckCreated() == KErrNone) |
|
1295 { |
|
1296 return iConsole->SetCursorPosAbs(aPoint); |
|
1297 } |
|
1298 } |
|
1299 |
|
1300 void CLazyConsole::SetCursorPosRel(const TPoint &aPoint) |
|
1301 { |
|
1302 if (CheckCreated() == KErrNone) |
|
1303 { |
|
1304 return iConsole->SetCursorPosRel(aPoint); |
|
1305 } |
|
1306 } |
|
1307 |
|
1308 void CLazyConsole::SetCursorHeight(TInt aPercentage) |
|
1309 { |
|
1310 if (CheckCreated() == KErrNone) |
|
1311 { |
|
1312 return iConsole->SetCursorHeight(aPercentage); |
|
1313 } |
|
1314 } |
|
1315 |
|
1316 void CLazyConsole::SetTitle(const TDesC &aTitle) |
|
1317 { |
|
1318 if (CheckCreated() == KErrNone) |
|
1319 { |
|
1320 return iConsole->SetTitle(aTitle); |
|
1321 } |
|
1322 } |
|
1323 |
|
1324 void CLazyConsole::ClearScreen() |
|
1325 { |
|
1326 if (CheckCreated() == KErrNone) |
|
1327 { |
|
1328 return iConsole->ClearScreen(); |
|
1329 } |
|
1330 } |
|
1331 |
|
1332 void CLazyConsole::ClearToEndOfLine() |
|
1333 { |
|
1334 if (CheckCreated() == KErrNone) |
|
1335 { |
|
1336 return iConsole->ClearToEndOfLine(); |
|
1337 } |
|
1338 } |
|
1339 |
|
1340 TSize CLazyConsole::ScreenSize() const |
|
1341 { |
|
1342 if (CheckCreated() == KErrNone) |
|
1343 { |
|
1344 if (iSizeAutoDetect) |
|
1345 { |
|
1346 return iDetectedSize; |
|
1347 } |
|
1348 else |
|
1349 { |
|
1350 return iConsole->ScreenSize(); |
|
1351 } |
|
1352 } |
|
1353 else |
|
1354 { |
|
1355 return TSize(0,0); |
|
1356 } |
|
1357 } |
|
1358 |
|
1359 TKeyCode CLazyConsole::KeyCode() const |
|
1360 { |
|
1361 if (CheckCreated() == KErrNone) |
|
1362 { |
|
1363 return iConsole->KeyCode(); |
|
1364 } |
|
1365 return EKeyNull; |
|
1366 } |
|
1367 |
|
1368 TUint CLazyConsole::KeyModifiers() const |
|
1369 { |
|
1370 if (CheckCreated() == KErrNone) |
|
1371 { |
|
1372 return iConsole->KeyModifiers(); |
|
1373 } |
|
1374 return 0; |
|
1375 } |
|
1376 |
|
1377 TInt CLazyConsole::Extension_(TUint aExtensionId, TAny*& a0, TAny* a1) |
|
1378 { |
|
1379 if (aExtensionId == LazyConsole::KLazyConsoleExtension) |
|
1380 { |
|
1381 TBool* constructed = (TBool*)a1; |
|
1382 *constructed = (iConsole != NULL); |
|
1383 return KErrNone; |
|
1384 } |
|
1385 else |
|
1386 { |
|
1387 TInt err = CheckCreated(); |
|
1388 if (err == KErrNone) |
|
1389 { |
|
1390 return ((CLazyConsole*)iConsole)->Extension_(aExtensionId, a0, a1); |
|
1391 } |
|
1392 return err; |
|
1393 } |
|
1394 } |