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1 /* |
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2 * Copyright (c) 2008 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: This is the implementation of application 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 <e32std.h> |
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20 #include <e32svr.h> |
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21 #include <w32std.h> |
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22 #include <coedef.h> |
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23 #include <eiksvdef.h> |
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24 #include <apgcli.h> |
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25 #include <apacmdln.h> |
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26 #include <apgtask.h> |
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27 #include <coemain.h> |
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28 |
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29 #include <e32property.h> |
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30 #include "bthidPsKey.h" |
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31 |
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32 #include "hidtranslate.h" |
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33 #include "finder.h" |
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34 #include "mouse.h" |
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35 #include "debug.h" |
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36 |
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37 |
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38 #ifndef DBG |
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39 #ifdef _DEBUG |
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40 #define DBG(a) a |
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41 #else |
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42 #define DBG(a) |
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43 #endif |
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44 #endif |
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45 |
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46 // Application UIDs for PaintCursor app. |
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47 _LIT(KAppName, "PaintCursor.exe"); |
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48 // ---------------------------------------------------------------------- |
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49 |
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50 CHidMouseDriver::CHidMouseDriver(MDriverAccess* aGenericHid) |
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51 : iDriverState(EUninitialised), iGenericHid(aGenericHid), |
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52 iButtonDown (EFalse), iButton2Down(EFalse) |
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53 { |
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54 DBG(RDebug::Print( |
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55 _L("[HID]\tCHidMouseDriver::CHidMouseDriver ENTER"))); |
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56 DBG(RDebug::Print( |
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57 _L("[HID]\tCHidMouseDriver::CHidMouseDriver(0x%08x)"), aGenericHid)); |
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58 } |
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59 |
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60 CHidMouseDriver* CHidMouseDriver::NewLC(MDriverAccess* aGenericHid) |
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61 { |
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62 DBG(RDebug::Print(_L("[HID]\tCHidMouseDriver::NewLC(0x%08x)"), aGenericHid)); |
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63 CHidMouseDriver* self = |
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64 new (ELeave) CHidMouseDriver(aGenericHid); |
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65 CleanupStack::PushL(self); |
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66 self->ConstructL(); |
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67 |
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68 return self; |
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69 } |
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70 |
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71 CHidMouseDriver* CHidMouseDriver::NewL(MDriverAccess* aGenericHid) |
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72 { |
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73 CHidMouseDriver* self = |
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74 CHidMouseDriver::NewLC(aGenericHid); |
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75 CleanupStack::Pop(); |
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76 return self; |
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77 } |
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78 |
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79 void CHidMouseDriver::ConstructL() |
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80 { |
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81 DBG(RDebug::Print(_L("[HID]\tCHidMouseDriver{0x%08x}::ConstructL() BEGIN"), this)); |
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82 |
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83 User::LeaveIfNull(iGenericHid); |
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84 |
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85 TInt err = iPointBufQueue.OpenGlobal(KMsgBTMouseBufferQueue); |
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86 if (err == KErrNotFound) |
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87 { |
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88 User::LeaveIfError(iPointBufQueue.CreateGlobal(KMsgBTMouseBufferQueue, KPointQueueLen)); |
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89 } |
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90 else |
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91 { |
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92 User::LeaveIfError( err ); |
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93 } |
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94 DBG(RDebug::Print(_L("[HID]\tCHidMouseDriver{0x%08x}::ConstructL() END"), this)); |
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95 // Create a session with the window server: |
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96 User::LeaveIfError(iWsSession.Connect()); |
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97 } |
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98 |
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99 |
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100 |
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101 |
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102 CHidMouseDriver::~CHidMouseDriver() |
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103 { |
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104 DBG(RDebug::Print(_L("[HID]\t~CHidMouseDriver() 0x%08x"), this)); |
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105 |
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106 iPointBufQueue.Close(); |
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107 |
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108 if (iDriverState == EInitialised || iDriverState == EDisabled ) |
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109 { |
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110 RProperty::Set( KPSUidBthidSrv, KBTMouseCursorState, ECursorHide ); |
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111 } |
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112 |
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113 iWsSession.Close(); |
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114 } |
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115 |
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116 void CHidMouseDriver::MoveCursor(const TPoint& aPoint) |
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117 { |
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118 DBG(RDebug::Print(_L("[HID]\tCHidMouseDriver::MoveCursor()"))); |
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119 PostPointer(aPoint); |
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120 } |
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121 |
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122 // --------------------------------------------------------------------------- |
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123 // CHidMouseDriver::PostPointer |
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124 // Save the event to the buffer |
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125 // --------------------------------------------------------------------------- |
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126 // |
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127 TInt CHidMouseDriver::PostPointer(const TPoint& aPoint) |
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128 { |
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129 DBG(RDebug::Print(_L("[HID]\tCHidMouseDriver::PostPointer()"))); |
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130 iPointerBuffer.iPoint[iPointerBuffer.iNum] = aPoint; |
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131 iPointerBuffer.iType[iPointerBuffer.iNum] = KBufferPlainPointer; |
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132 iPointerBuffer.iNum++; |
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133 TInt ret = KErrNone; |
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134 |
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135 if(iPointerBuffer.iNum > KPMaxEvent) |
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136 { |
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137 ret = iPointBufQueue.Send(iPointerBuffer); |
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138 iPointerBuffer.iNum = 0; |
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139 } |
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140 return ret; |
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141 } |
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142 |
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143 TInt CHidMouseDriver::SendButtonEvent(TBool aButtonDown) |
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144 { |
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145 |
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146 DBG(RDebug::Print(_L("[HID]\tCHidMouseDriver::SendButtonEvent() %d"), aButtonDown)); |
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147 iPointerBuffer.iPoint[iPointerBuffer.iNum] = TPoint (0,0); |
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148 iPointerBuffer.iType[iPointerBuffer.iNum] = aButtonDown ? KBufferPenDown : KBufferPenUp; |
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149 iPointerBuffer.iNum++; |
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150 TInt ret = iPointBufQueue.Send(iPointerBuffer); |
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151 iPointerBuffer.iNum = 0; |
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152 return ret; |
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153 } |
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154 |
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155 void CHidMouseDriver::StartL(TInt /*aConnectionId*/) |
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156 { |
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157 DBG(RDebug::Print(_L("[HID]\tCHidMouseDriver::StartL()"))); |
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158 |
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159 // Ready to process mouse events: |
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160 iDriverState = EInitialised; |
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161 LaunchApplicationL(KAppName); |
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162 RProperty::Set( KPSUidBthidSrv, KBTMouseCursorState, ECursorShow ); |
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163 } |
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164 |
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165 |
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166 |
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167 void CHidMouseDriver::InitialiseL(TInt aConnectionId) |
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168 { |
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169 DBG(RDebug::Print(_L("[HID]\tCHidMouseDriver::InitialiseL(%d)"), |
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170 aConnectionId)); |
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171 |
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172 // Store the connection ID: |
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173 iConnectionId = aConnectionId; |
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174 } |
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175 |
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176 void CHidMouseDriver::Stop() |
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177 { |
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178 iDriverState = EDisabled; |
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179 RProperty::Set( KPSUidBthidSrv, KBTMouseCursorState, ECursorHide ); |
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180 } |
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181 |
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182 //---------------------------------------------------------------------------- |
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183 // CHidMouseDriver::LaunchApplicationL |
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184 //---------------------------------------------------------------------------- |
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185 // |
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186 void CHidMouseDriver::LaunchApplicationL(const TDesC& aName) |
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187 { |
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188 //Check if application is already running in the background |
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189 TApaTaskList tasks( iWsSession ); |
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190 TApaTask task = tasks.FindApp( aName ); |
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191 |
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192 if ( task.Exists() ) |
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193 { |
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194 // Application is active, so just bring to foreground |
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195 } |
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196 else |
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197 { |
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198 // If application is not running, then create a new one |
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199 CApaCommandLine* cmd = CApaCommandLine::NewLC(); |
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200 |
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201 cmd->SetExecutableNameL(aName); |
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202 cmd->SetCommandL(EApaCommandBackground); // EApaCommandRun |
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203 |
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204 RApaLsSession arcSession; |
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205 //connect to AppArc server |
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206 User::LeaveIfError(arcSession.Connect()); |
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207 CleanupClosePushL(arcSession); |
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208 User::LeaveIfError( arcSession.StartApp(*cmd) ); |
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209 arcSession.Close(); |
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210 |
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211 CleanupStack::PopAndDestroy(2); |
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212 } |
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213 } |
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214 // ---------------------------------------------------------------------- |
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215 // CHidDriver mandatory functions: |
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216 |
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217 TInt CHidMouseDriver::DataIn( |
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218 CHidTransport::THidChannelType aChannel, const TDesC8& aPayload) |
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219 { |
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220 TInt err = KErrNone; |
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221 switch (aChannel) |
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222 { |
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223 case CHidTransport::EHidChannelInt: |
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224 if (EInitialised == iDriverState) |
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225 { |
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226 TInt mouseStatus; |
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227 TInt err = RProperty::Get( KPSUidBthidSrv, KBTMouseCursorState, mouseStatus ); |
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228 if ( !err && (static_cast<THidMouseCursorState>(mouseStatus) == ECursorHide) ) |
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229 { |
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230 err = RProperty::Set( KPSUidBthidSrv, KBTMouseCursorState, ECursorShow ); |
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231 } |
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232 InterruptData(aPayload); |
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233 } |
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234 break; |
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235 |
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236 case CHidTransport::EHidChannelCtrl: |
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237 break; |
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238 |
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239 default: |
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240 break; |
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241 } |
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242 return err; |
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243 } |
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244 |
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245 void CHidMouseDriver::CommandResult(TInt /*aCmdAck*/) |
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246 { |
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247 // No implementation as we don't issue any requests to be acknowledged |
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248 } |
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249 |
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250 void CHidMouseDriver::Disconnected(TInt aReason) |
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251 { |
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252 RDebug::Print(_L("[HID]\tCHidMouseDriver::Disconnected(%d)"), aReason); |
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253 Stop(); |
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254 } |
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255 |
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256 // ---------------------------------------------------------------------- |
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257 |
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258 void CHidMouseDriver::InterruptData(const TDesC8& aPayload) |
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259 { |
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260 // If the report has a report ID, it is in the first byte. |
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261 // If not, this value is ignored (see CField::IsInReport()). |
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262 // |
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263 TInt firstByte = aPayload[0]; |
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264 |
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265 DBG(for (TInt ii = 0; ii < aPayload.Length(); ii++) |
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266 { |
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267 TInt nextByte = aPayload[ii]; |
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268 DBG(RDebug::Print( |
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269 _L("[HID]\tCHidKeyboardDriver::InterruptData() report[%d] = %d"), |
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270 ii, nextByte)); |
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271 }) |
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272 |
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273 DBG(RDebug::Print( |
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274 _L("[HID]\tCHidMouseDriver::InterruptData(), report %d, length %d"), |
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275 firstByte, aPayload.Length())); |
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276 |
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277 if (iField[EXY] && iField[EXY]->IsInReport(firstByte)) |
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278 { |
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279 UpdateXY(EXY, aPayload); |
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280 } |
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281 |
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282 if (iField[EButtons] && iField[EButtons]->IsInReport(firstByte)) |
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283 { |
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284 UpdateButtons(EButtons, aPayload); |
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285 } |
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286 if (iField[EXY] && iField[EXY]->IsInReport(firstByte)) |
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287 { |
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288 UpdateWheel(EWheel, aPayload); |
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289 } |
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290 } |
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291 |
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292 // ---------------------------------------------------------------------- |
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293 |
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294 void CHidMouseDriver::UpdateXY(TInt aFieldIndex, |
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295 const TDesC8& aReport) |
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296 { |
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297 DBG(RDebug::Print(_L("[HID]\tCHidMouseDriver::UpdateModifiers()"))); |
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298 |
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299 // Translate the HID usage values into a boot protocol style |
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300 // modifier bitmask: |
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301 // |
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302 TReportTranslator report(aReport, iField[aFieldIndex]); |
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303 |
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304 TInt Xvalue = 0; |
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305 TInt Yvalue = 0; |
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306 |
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307 TInt errX = report.GetValue( Xvalue, EGenericDesktopUsageX); |
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308 TInt errY = report.GetValue( Yvalue, EGenericDesktopUsageY); |
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309 |
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310 DBG(RDebug::Print(_L("[HID]\tCHidMouseDriver::UpdateXY (%d,%d)"), Xvalue, Yvalue)); |
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311 if ( ( Xvalue != 0 ) || (Yvalue != 0)) |
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312 { |
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313 MoveCursor(TPoint(Xvalue, Yvalue)); |
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314 } |
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315 |
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316 } |
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317 |
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318 void CHidMouseDriver::UpdateWheel(TInt aFieldIndex, |
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319 const TDesC8& aReport) |
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320 { |
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321 DBG(RDebug::Print(_L("[HID]\tCHidMouseDriver::UpdateModifiers()"))); |
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322 |
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323 // Translate the HID usage values into a boot protocol style |
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324 // modifier bitmask: |
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325 // |
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326 TReportTranslator report(aReport, iField[aFieldIndex]); |
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327 |
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328 TInt Yvalue = 0; |
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329 |
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330 TInt errY = report.GetValue( Yvalue, EGenericDesktopUsageWheel); |
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331 DBG(RDebug::Print(_L("[HID]\tCHidMouseDriver::UpdateWheel (%d)"), Yvalue)); |
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332 |
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333 TInt absValue(Abs(Yvalue)); |
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334 if ( (errY == KErrNone) && (absValue >= 1) ) |
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335 { |
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336 TRawEvent rawEvent; |
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337 for (TInt ii = 0; ii < absValue; ii++) |
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338 { |
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339 rawEvent.Set(TRawEvent::EKeyDown, (Yvalue > 0) ? EStdKeyUpArrow : EStdKeyDownArrow); |
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340 UserSvr::AddEvent(rawEvent); |
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341 rawEvent.Set(TRawEvent::EKeyUp, (Yvalue > 0) ? EStdKeyUpArrow : EStdKeyDownArrow); |
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342 UserSvr::AddEvent(rawEvent); |
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343 } |
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344 } |
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345 } |
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346 |
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347 void CHidMouseDriver::UpdateButtons(TInt aFieldIndex, |
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348 const TDesC8& aReport) |
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349 { |
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350 DBG(RDebug::Print(_L("[HID]\tCHidMouseDriver::UpdateButtons()"))); |
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351 |
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352 // Translate the HID usage values into a boot protocol style |
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353 // modifier bitmask: |
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354 // |
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355 TReportTranslator report(aReport, iField[aFieldIndex]); |
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356 |
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357 TInt button1 = 0; |
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358 TInt button2 = 0; |
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359 TInt button3 = 0; |
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360 |
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361 const TInt KButton1 = 1; |
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362 const TInt KButton2 = 2; |
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363 const TInt KButton3 = 3; |
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364 DBG(RDebug::Print(_L("[HID]\tCHidMouseDriver::UpdateButtons() %d, %d, %d"), |
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365 iField[aFieldIndex]->UsagePage(), |
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366 iField[aFieldIndex]->UsageMin(), |
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367 iField[aFieldIndex]->UsageMax())); |
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368 |
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369 TBool buttonPressed(EFalse); |
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370 if (report.GetValue( button1, KButton1) == KErrNone && button1) |
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371 { |
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372 DBG(RDebug::Print(_L("[HID]\tCHidMouseDriver::UpdateButtons() Button1"))); |
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373 buttonPressed = ETrue; |
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374 } |
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375 |
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376 if (report.GetValue( button2, KButton2) == KErrNone && button2) |
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377 { |
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378 DBG(RDebug::Print(_L("[HID]\tCHidMouseDriver::UpdateButtons() Button2"))); |
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379 if (! iButton2Down ) |
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380 { |
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381 iButton2Down = ETrue; |
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382 TRawEvent rawEvent; |
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383 rawEvent.Set(TRawEvent::EKeyDown, EStdKeyApplication0); |
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384 UserSvr::AddEvent(rawEvent); |
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385 } |
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386 } |
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387 else |
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388 { |
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389 if (iButton2Down ) |
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390 { |
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391 iButton2Down = EFalse; |
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392 TRawEvent rawEvent; |
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393 rawEvent.Set(TRawEvent::EKeyUp, EStdKeyApplication0); |
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394 UserSvr::AddEvent(rawEvent); |
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395 } |
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396 } |
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397 |
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398 if (report.GetValue( button3, KButton3) == KErrNone && button3) |
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399 { |
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400 DBG(RDebug::Print(_L("[HID]\tCHidMouseDriver::UpdateButtons() Button3"))); |
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401 buttonPressed = ETrue; |
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402 } |
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403 |
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404 if (buttonPressed) |
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405 { |
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406 if ( !iButtonDown ) |
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407 { |
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408 iButtonDown = ETrue; |
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409 SendButtonEvent(ETrue);//Send Mouse Button Down |
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410 } |
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411 } |
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412 else |
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413 { |
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414 if ( iButtonDown ) |
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415 { |
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416 iButtonDown = EFalse; |
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417 SendButtonEvent(EFalse);//Send Mouse Button Up |
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418 } |
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419 } |
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420 } |
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421 |
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422 TInt CHidMouseDriver::CanHandleReportL(CReportRoot* aReportRoot) |
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423 { |
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424 DBG(RDebug::Print(_L("[HID]\tCHidMouseDriver::CanHandleReport(0x%08x)"), |
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425 aReportRoot)); |
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426 iSupportedFieldCount = 0; |
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427 // Look for mouse reports: |
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428 |
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429 THidFieldSearch search; |
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430 |
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431 TMouseFinder finder; |
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432 search.SearchL(aReportRoot, &finder); |
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433 DBG(RDebug::Print(_L("[HID]\tCHidMouseDriver::CanHandleReport(): root parsed"))); |
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434 iField[EButtons] = finder.ButtonsField(); |
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435 iField[EXY] = finder.XYField(); |
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436 iField[EWheel] = finder.WheelField(); |
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437 |
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438 for (TInt i=0; i<KNumInputFieldTypes; ++i) |
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439 { |
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440 if (iField[i]) |
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441 { |
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442 iSupportedFieldCount++; |
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443 } |
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444 } |
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445 |
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446 TInt valid = KErrHidUnrecognised; |
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447 |
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448 // We only require buttons and xy field reports; the |
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449 // Wheel, LED and consumer keys are optional: |
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450 |
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451 if ((iField[EButtons] != 0) && (iField[EXY] != 0)) |
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452 { |
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453 valid = KErrNone; |
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454 } |
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455 |
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456 DBG(RDebug::Print( |
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457 _L("[HID]\tCHidMouseDriver::CanHandleReport() returning %d"), valid)); |
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458 |
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459 return valid; |
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460 } |
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461 |
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462 |
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463 //---------------------------------------------------------------------------- |
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464 // CHidMouseDriver::SupportedFieldCount |
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465 //---------------------------------------------------------------------------- |
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466 // |
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467 TInt CHidMouseDriver::SupportedFieldCount() |
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468 { |
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469 return iSupportedFieldCount; |
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470 } |
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471 //---------------------------------------------------------------------------- |
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472 // CHidMouseDriver::SetInputHandlingReg |
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473 //---------------------------------------------------------------------------- |
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474 // |
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475 void CHidMouseDriver::SetInputHandlingReg(CHidInputDataHandlingReg* aHandlingReg) |
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476 { |
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477 iInputHandlingReg = aHandlingReg; |
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478 } |
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479 // ---------------------------------------------------------------------- |