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1 /* |
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2 * Copyright (c) 2005-2006 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0"" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Implementation for peninput server session class |
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15 * |
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16 */ |
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17 |
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18 |
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19 //INCLUDE FILES |
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20 #include <e32svr.h> |
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21 |
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22 #include "peninputcmd.h" |
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23 #include "peninputclientserver.h" |
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24 #include "peninputanimcommand.h" |
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25 #include "peninputserver.h" |
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26 #include "peninputserversession.h" |
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27 |
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28 const TInt KAllEventIndex = -1; |
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29 const TInt KFirstEventIndex = 0; |
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30 const TInt KMaxEventBuf = 50; |
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31 // ======== MEMBER FUNCTIONS ======== |
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32 |
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33 // --------------------------------------------------------------------------- |
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34 // CPeninputServerSession::CPeninputServerSession |
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35 // --------------------------------------------------------------------------- |
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36 // |
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37 CPeninputServerSession::CPeninputServerSession( RThread &aClient, |
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38 CPeninputServer& aServer) |
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39 : iPenInputSvr( aServer ), |
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40 iObserverActive(EFalse), |
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41 iCombinedMsgNum(0), |
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42 iCombinedEventId(ESignalKeyEvent), |
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43 iAppInfoType(EAppIndicatorMsg), |
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44 iDisabledUiType(0) |
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45 { |
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46 iPenInputSvr.IncreaseSessionCount(); |
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47 iClientId = aClient.Id(); |
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48 RProcess process; |
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49 if ( KErrNone == aClient.Process( process ) ) |
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50 { |
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51 iClientProcess = process.Id(); |
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52 process.Close(); |
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53 } |
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54 } |
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55 // --------------------------------------------------------------------------- |
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56 // CPeninputServerSession::ConstructL |
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57 // --------------------------------------------------------------------------- |
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58 // |
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59 void CPeninputServerSession::ConstructL() |
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60 { |
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61 iAppInfo = KNullDesC().AllocL(); |
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62 iCombinedEventBuf.CreateMaxL(KMaxEventBuf); |
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63 iCombinedEventBuf.Zero(); |
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64 } |
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65 |
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66 // --------------------------------------------------------------------------- |
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67 // CPeninputServerSession::NewL |
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68 // --------------------------------------------------------------------------- |
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69 // |
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70 CPeninputServerSession* CPeninputServerSession::NewL( RThread &aClient, |
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71 CPeninputServer& aServer) |
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72 { |
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73 CPeninputServerSession* session = new(ELeave) CPeninputServerSession( |
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74 aClient, aServer); |
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75 CleanupStack::PushL(session); |
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76 session->ConstructL(); |
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77 CleanupStack::Pop(session); |
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78 return session; |
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79 } |
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80 |
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81 |
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82 // --------------------------------------------------------------------------- |
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83 // CPeninputServerSession::ServiceL |
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84 // Possible leave is handled by the CPeninputServer::RunError |
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85 // --------------------------------------------------------------------------- |
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86 // |
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87 void CPeninputServerSession::ServiceL( const RMessage2& aMessage ) |
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88 { |
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89 |
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90 switch ( aMessage.Function() ) |
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91 { |
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92 |
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93 case EPeninputServerRequestMessageNotification: |
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94 // asynchnorous observation request issued, store it |
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95 // a client can have only one observation request at a time |
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96 if(!iObserverActive) |
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97 { |
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98 iPendingRequest = aMessage; |
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99 iObserverActive = ETrue; |
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100 //if already some events buffered,send the event |
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101 if(iDataBuf.Count()) |
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102 { |
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103 iPendingRequest.Complete(iSignalCodeArray[0]); |
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104 iObserverActive = EFalse; |
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105 } |
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106 } |
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107 else |
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108 { |
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109 // cancel this request because notify request has already been issued |
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110 aMessage.Complete(KErrCancel); |
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111 } |
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112 |
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113 break; |
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114 |
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115 case EPeninputServerCancelMessageNotification: |
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116 { |
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117 aMessage.Complete(KErrNone); |
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118 if(iObserverActive) |
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119 { |
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120 iPendingRequest.Complete(KErrCancel); |
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121 iObserverActive = EFalse; |
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122 } |
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123 ProcessPendingEventBeforeExit(); |
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124 //iSemaphore.Signal(); |
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125 } |
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126 break; |
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127 |
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128 default: |
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129 { |
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130 |
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131 //TRAPD(err, DoServiceL(aMessage)); |
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132 //if(KErrNone != err) |
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133 // aMessage.Complete(err); |
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134 TInt ret = DoServiceL(aMessage); |
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135 //aMessage.Complete(ret); |
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136 |
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137 } |
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138 } |
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139 } |
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140 |
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141 // --------------------------------------------------------------------------- |
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142 // CPeninputServerSession::GetDisabledLayouts |
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143 // --------------------------------------------------------------------------- |
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144 // |
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145 const TProcessId& CPeninputServerSession::ClientProcessId( ) |
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146 { |
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147 return iClientProcess ; |
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148 } |
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149 |
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150 TInt CPeninputServerSession::BuildEventData() |
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151 { |
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152 if(iCombinedMsgNum > 0) //the previous combined msg was not sent yet. No need to do again |
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153 return iCombinedMsgNum; |
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154 TInt n = 0; |
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155 //check how many signal can be combined |
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156 while( n < iSignalCodeArray.Count() && iSignalCodeArray[n] == iCombinedEventId) |
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157 ++n; |
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158 if(n <= 0) |
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159 return 0; |
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160 iCombinedMsgNum = 0; |
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161 for(; iCombinedMsgNum < n ; ++iCombinedMsgNum) |
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162 { |
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163 //check memory fist |
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164 if(iCombinedEventBuf.MaxLength() < iCombinedEventBuf.Length() + iDataBuf[iCombinedMsgNum]->Length()) |
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165 { |
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166 TInt err = iCombinedEventBuf.ReAlloc( KMaxEventBuf + |
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167 iCombinedEventBuf.Length() + |
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168 iDataBuf[iCombinedMsgNum]->Length()); |
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169 if(err != KErrNone) |
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170 { |
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171 break; |
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172 } |
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173 } |
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174 //copy data |
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175 iCombinedEventBuf.Append(*(iDataBuf[iCombinedMsgNum])); |
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176 } |
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177 return iCombinedMsgNum; |
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178 } |
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179 |
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180 void CPeninputServerSession::RemoveEventDatas(TInt aNum) |
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181 { |
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182 aNum = aNum > 0 ? aNum : 1; |
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183 for(TInt i = 0 ; i < aNum; ++i) |
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184 RemoveEventDataByIdx(KFirstEventIndex); |
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185 iCombinedEventBuf.Zero(); |
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186 iCombinedMsgNum = 0; |
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187 } |
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188 |
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189 TInt CPeninputServerSession::SendEventData(const RMessage2& aMessage, const TDesC& aData) |
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190 { |
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191 TInt ret = KErrNone; |
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192 TInt maxBufLen = aMessage.Int0(); |
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193 if(maxBufLen >= aData.Length()) |
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194 { |
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195 TRAP_IGNORE(aMessage.WriteL(1,aData)); |
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196 |
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197 //remove the data |
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198 RemoveEventDatas(iCombinedMsgNum > 0 ? iCombinedMsgNum : 1); |
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199 } |
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200 else |
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201 { |
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202 ret = aData.Length(); |
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203 } |
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204 |
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205 return ret; |
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206 } |
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207 // --------------------------------------------------------------------------- |
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208 // CPeninputServerSession::DoServiceL |
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209 // Possible leave is handled by the CPeninputServer::RunError |
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210 // --------------------------------------------------------------------------- |
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211 // |
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212 TInt CPeninputServerSession::DoServiceL( const RMessage2& aMessage ) |
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213 { |
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214 |
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215 //TInt err = KErrNone; |
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216 TInt ret = KErrNone; |
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217 switch ( aMessage.Function() ) |
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218 { |
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219 case EPeninputRequestUiNotificationCompleted: |
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220 { |
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221 RemoveEventDataByIdx(KFirstEventIndex); |
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222 iPenInputSvr.ExecutePendingAnimCmd(); |
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223 } |
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224 break; |
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225 |
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226 case EPeninputServerClearServerEvent: |
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227 { |
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228 RemoveEventDataByIdx(KAllEventIndex); |
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229 } |
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230 break; |
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231 |
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232 case EPeninputRequestGetServerEventData: |
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233 { |
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234 if(iDataBuf.Count()) |
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235 { |
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236 TInt combinedEventNum = BuildEventData(); |
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237 if(combinedEventNum) |
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238 ret = SendEventData(aMessage,iCombinedEventBuf); |
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239 else |
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240 ret = SendEventData(aMessage,*iDataBuf[KFirstEventIndex]); |
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241 |
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242 // if(ret == KErrNone) |
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243 // RemoveEventDatas(combinedEventNum); |
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244 } |
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245 else |
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246 { |
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247 aMessage.WriteL(1,KNullDesC); |
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248 } |
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249 } |
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250 break; |
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251 |
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252 case EPeninputRequestGetServerEventDataNumber: |
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253 { |
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254 TInt num = iDataBuf.Count(); |
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255 TPckgC<TInt> msg(num); |
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256 |
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257 aMessage.WriteL(0,msg); |
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258 } |
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259 break; |
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260 |
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261 case EPeninputRequestGetDisableLayout: |
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262 { |
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263 //TInt layoyts = 0; |
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264 //CPeninputServerSession* pSession = static_cast<CPeninputServerSession*>(aMessage.Session()); |
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265 //GetProcessLayouts( pSession->ClientProcessId(), layoyts ); |
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266 TInt dsaDisableUIType = iPenInputSvr.DisabledByDSA(); |
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267 TInt orientationDisableType = iPenInputSvr.DisabledByOrientation(); |
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268 if( dsaDisableUIType ) |
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269 { |
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270 iDsaEverHappened = ETrue; |
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271 } |
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272 TPckg<TInt> msg(iDisabledUiType | dsaDisableUIType | orientationDisableType); |
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273 |
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274 aMessage.WriteL(0,msg); |
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275 } |
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276 break; |
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277 case EPeninputRequestDisableLayout: |
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278 { |
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279 TInt layouts = aMessage.Int0(); |
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280 //CPeninputServerSession* pSession = static_cast<CPeninputServerSession*>(aMessage.Session()); |
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281 //SetProcessLayouts( pSession->ClientProcessId(), layouts ); |
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282 if(layouts < 0 ) |
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283 { |
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284 iDisabledUiType = 0; //reset. |
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285 } |
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286 else |
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287 { |
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288 iDisabledUiType |= layouts; |
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289 } |
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290 } |
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291 break; |
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292 |
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293 case EPeninputRequestUiIsVisible: |
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294 case EPeninputServerRequestSetDisplayMode: |
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295 case EPeninputRequestUiEditorMaxLength: |
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296 case EPeninputRequestUiSetUiPos: |
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297 case EPeninputRequestUiGetUiPos: |
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298 case EPeninputRequestUiSendAppEditorText: |
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299 case EPeninputRequestActivateLayout: |
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300 case EPeninputRequestActivateLayoutInGlobalNotes: |
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301 case EPeninputRequestDimLayout: |
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302 case EPeninputRequestSetUiLayoutId: |
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303 case EPeninputRequestSetUiLayoutIdWithData: |
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304 case EPeninputRequestResourceChanged: |
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305 case EPenInputRequestGetImePluginIdList: |
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306 case EPenInputRequestGetPenSupportLanguages: |
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307 case EPeninputRequestIsForeground: |
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308 case EPeninputRequestSetForeground: |
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309 case EPeninputRequestRelinquishForeground: |
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310 case EPeninputRequestAddUiObserver: |
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311 case EPeninputRequestIsLayoutDimmed: |
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312 //case EPeninputRequestChangeUiObserverType: |
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313 case EPeninputRequestRemoveUiObserver: |
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314 //case EPeninputRequestDisableLayout: |
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315 case EPeninputRequestServerThreadId: |
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316 //case EPeninputRequestGetDisableLayout: |
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317 case EPeninputBackgroudDefaultOri: |
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318 case EPeninputRequestInternalDimLayout: |
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319 case EPeninputRequestDimResChangeLayout: |
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320 case EPeninputRequestSupportInputMode: |
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321 case EPeninputRequestSetInputLanguage: |
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322 ret = iPenInputSvr.HandleMessageL(aMessage); |
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323 break; |
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324 case EPeninputRequestUpdateAppInfo: |
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325 { |
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326 ret = HandleAppInfoChange(aMessage); |
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327 if (ret == EBadRequest) |
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328 { |
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329 PanicClient(aMessage,EBadRequest ); |
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330 return EBadRequest; |
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331 } |
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332 } |
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333 break; |
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334 case EPeninputRequestHandleClientCommand: |
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335 { |
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336 ret = iPenInputSvr.HandleCommandL(aMessage); |
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337 } |
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338 break; |
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339 |
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340 // requests we don't understand at all are a different thing, |
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341 // so panic the client here, this function also completes the message |
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342 default: |
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343 { |
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344 PanicClient(aMessage,EBadRequest ); |
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345 return EBadRequest; |
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346 } |
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347 } |
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348 |
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349 aMessage.Complete(ret); |
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350 return ret; |
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351 } |
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352 |
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353 |
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354 // --------------------------------------------------------------------------- |
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355 // CPeninputServerSession::SignalClientL |
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356 // --------------------------------------------------------------------------- |
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357 // |
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358 TBool CPeninputServerSession::CompletePendingRequestL(TInt aSignalCode, |
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359 const TDesC& aEventData, int aPos) |
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360 { |
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361 TBool ok = EFalse; |
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362 HBufC* data = aEventData.AllocLC(); |
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363 // iDataBuf.AppendL(data); |
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364 if(aPos < 0) //append to the end |
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365 { |
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366 iSignalCodeArray.Append(aSignalCode); |
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367 iDataBuf.AppendL(data); |
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368 } |
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369 else |
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370 { |
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371 iSignalCodeArray.Insert(aSignalCode,aPos); |
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372 iDataBuf.InsertL(data,aPos); |
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373 } |
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374 CleanupStack::Pop();//data |
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375 |
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376 if(iObserverActive) |
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377 { |
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378 iPendingRequest.Complete(aSignalCode); |
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379 iObserverActive = EFalse; |
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380 ok = ETrue; |
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381 } |
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382 return ok; |
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383 } |
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384 // --------------------------------------------------------------------------- |
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385 // CPeninputServerSession::SignalClientL |
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386 // --------------------------------------------------------------------------- |
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387 // |
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388 TBool CPeninputServerSession::SignalClientL(TInt aSignalCode, |
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389 const TDesC& aEventData) |
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390 { |
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391 return CompletePendingRequestL(aSignalCode,aEventData); |
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392 } |
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393 |
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394 |
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395 // --------------------------------------------------------------------------- |
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396 // CPeninputServerSession::SignalUiActivationObserver |
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397 // --------------------------------------------------------------------------- |
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398 // |
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399 TBool CPeninputServerSession::SignalUiActivationObserver(TInt aSignalCode, |
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400 TInt aType) |
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401 { |
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402 //check registerd UI type |
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403 if((aType & iRegistedPenUiType) || (iRegistedPenUiType == EPluginInputModeAll)) |
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404 { |
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405 //insert the notification event before other event as anim object is waiting |
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406 // for client process. |
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407 TInt i = iSignalCodeArray.Count() - 1; |
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408 for( ; i >=0 ; i--) |
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409 { |
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410 if(ESignalPenUiActivated == iSignalCodeArray[i] || |
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411 ESignalPenUiDeActivated == iSignalCodeArray[i]) |
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412 break; |
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413 } |
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414 TRAP_IGNORE( CompletePendingRequestL(aSignalCode,KNullDesC,++i) ); |
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415 return ETrue; |
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416 } |
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417 |
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418 return EFalse; |
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419 } |
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420 |
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421 // --------------------------------------------------------------------------- |
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422 // CPeninputServerSession::ProcessPendingEventBeforeExit |
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423 // --------------------------------------------------------------------------- |
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424 // |
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425 void CPeninputServerSession::ProcessPendingEventBeforeExit() |
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426 { |
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427 //only process pen ui notification event. Other events are discarded |
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428 |
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429 //for(TInt i = 0; i < iDelayedCmd.Count(); i++) |
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430 //for(TInt i = 0; i < iDelayedCmd; i++) |
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431 { |
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432 iPenInputSvr.ExecutePendingAnimCmd(); |
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433 // iDelayedCmd --; |
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434 } |
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435 //remove any command |
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436 for(TInt i = 0; i < iDataBuf.Count(); i++) |
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437 { |
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438 delete iDataBuf[i]; |
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439 } |
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440 iDataBuf.Reset(); |
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441 iSignalCodeArray.Reset(); |
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442 //iDelayedCmd.Reset(); |
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443 iDelayedCmd = 0; |
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444 } |
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445 // --------------------------------------------------------------------------- |
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446 // CPeninputServerSession::PanicClient |
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447 // --------------------------------------------------------------------------- |
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448 // |
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449 void CPeninputServerSession::PanicClient(const RMessage2& aMessage,TInt aPanic) |
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450 { |
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451 aMessage.Panic(KPeninputServerName, aPanic); |
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452 } |
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453 |
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454 // --------------------------------------------------------------------------- |
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455 // CPeninputServerSession::~CPeninputServerSession |
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456 // --------------------------------------------------------------------------- |
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457 // |
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458 CPeninputServerSession::~CPeninputServerSession() |
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459 { |
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460 ProcessPendingEventBeforeExit(); |
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461 iPenInputSvr.DecreaseSessionCount(this); |
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462 iPenInputSvr.DelProcessLayouts( iClientProcess ); |
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463 iDataBuf.Close(); |
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464 iSignalCodeArray.Close(); |
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465 iCombinedEventBuf.Close(); |
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466 //iDelayedCmd.Close(); |
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467 delete iAppInfo; |
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468 } |
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469 |
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470 // --------------------------------------------------------------------------- |
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471 // CPeninputServerSession::ClientId |
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472 // --------------------------------------------------------------------------- |
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473 // |
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474 TInt CPeninputServerSession::ClientId() |
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475 { |
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476 return iClientId; |
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477 } |
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478 |
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479 void CPeninputServerSession::RemoveEventDataByIdx(TInt aIndex) |
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480 { |
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481 //remove all if aIndex < 0 |
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482 if( aIndex == KAllEventIndex ) |
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483 { |
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484 for(TInt i = iDataBuf.Count() - 1; i >= 0; i--) |
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485 { |
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486 HBufC* usedData = iDataBuf[i]; |
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487 iDataBuf.Remove(i); |
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488 delete usedData; |
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489 iSignalCodeArray.Remove(i); |
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490 } |
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491 } |
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492 else |
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493 { |
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494 if( aIndex >= 0 && aIndex < iDataBuf.Count() ) |
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495 { |
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496 HBufC* usedData = iDataBuf[aIndex]; |
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497 iDataBuf.Remove(aIndex); |
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498 delete usedData; |
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499 iSignalCodeArray.Remove(aIndex); |
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500 } |
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501 } |
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502 } |
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503 |
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504 //void CPeninputServerSession::AddDelayedCmd(TAnimationCommand aCmd) |
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505 void CPeninputServerSession::AddDelayedCmd() |
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506 { |
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507 //iDelayedCmd.Append(aCmd); |
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508 //iDelayedCmd++; |
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509 } |
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510 |
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511 void CPeninputServerSession::RegisterPenUiType(TInt aType) |
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512 { |
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513 iRegistedPenUiType = aType; |
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514 } |
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515 |
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516 TInt CPeninputServerSession::HandleAppInfoChange(const RMessage2& aMessage) |
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517 { |
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518 TInt ret = 0; |
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519 TRAP_IGNORE(ret = HandleAppInfoChangeL(aMessage)); |
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520 return ret; |
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521 } |
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522 |
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523 TInt CPeninputServerSession::HandleAppInfoChangeL(const RMessage2& aMessage) |
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524 { |
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525 //TPeninputAppInfo type; |
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526 if (aMessage.Ptr0() == NULL || aMessage.Ptr1() == NULL) |
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527 { |
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528 return EBadRequest; |
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529 } |
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530 |
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531 TPckg<TPeninputAppInfo> typeData(iAppInfoType); |
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532 TInt rst = aMessage.Read(KMsgSlot0,typeData); |
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533 if (rst != KErrNone) |
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534 { |
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535 return EBadRequest; |
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536 } |
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537 |
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538 delete iAppInfo; |
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539 iAppInfo = NULL; |
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540 TInt len = aMessage.GetDesLength(KMsgSlot1); |
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541 if (len < 0) |
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542 { |
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543 return EBadRequest; |
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544 } |
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545 iAppInfo = HBufC::NewL(len); |
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546 TPtr appInfo = iAppInfo->Des(); |
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547 rst = aMessage.Read(KMsgSlot1,appInfo); |
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548 if (rst != KErrNone) |
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549 { |
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550 return EBadRequest; |
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551 } |
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552 return DoUpdateAppInfo(); |
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553 } |
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554 |
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555 TInt CPeninputServerSession::DoUpdateAppInfo() |
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556 { |
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557 return iPenInputSvr.HandleAppInfoChange(this,*iAppInfo,iAppInfoType); |
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558 } |
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559 |
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560 |
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561 TInt CPeninputServerSession::DisabledUiType() |
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562 { |
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563 return iDisabledUiType; |
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564 } |
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565 |
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566 //end of implementation of Class CPeninputServerSession |
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567 |
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568 // End of File |