1 /* |
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2 * Copyright (c) 2009 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: Functional implementation of advanced pointer multitouch service |
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15 * |
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16 */ |
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17 |
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18 // INCLUDE FILES |
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19 #include "HtiKeyEventServicePlugin.h" |
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20 #include "MultiTouchPointerEventHandler.h" |
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21 #include "MultiTouchPointerEvent.h" |
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22 |
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23 #include <HtiDispatcherInterface.h> |
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24 #include <HtiLogging.h> |
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25 |
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26 // CONSTANTS |
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27 |
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28 |
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29 // ---------------------------------------------------------------------------- |
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30 // CMultiTouchPointerEventHandler::NewL() |
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31 // ---------------------------------------------------------------------------- |
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32 CMultiTouchPointerEventHandler* CMultiTouchPointerEventHandler::NewL(MHtiMultiTouchObserver& aObserver) |
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33 { |
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34 HTI_LOG_FUNC_IN( "CMultiTouchPointerEventHandler::NewL" ); |
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35 CMultiTouchPointerEventHandler* self = new (ELeave) CMultiTouchPointerEventHandler(aObserver); |
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36 CleanupStack::PushL ( self ); |
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37 self->ConstructL(); |
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38 CleanupStack::Pop(); |
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39 HTI_LOG_FUNC_OUT( "CMultiTouchPointerEventHandler::NewL" ); |
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40 return self; |
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41 } |
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42 |
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43 // ---------------------------------------------------------------------------- |
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44 // CMultiTouchPointerEventHandler::CMultiTouchPointerEventHandler() |
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45 // ---------------------------------------------------------------------------- |
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46 CMultiTouchPointerEventHandler::CMultiTouchPointerEventHandler(MHtiMultiTouchObserver& aObserver) |
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47 :iFinishedCount(0), iObserver(aObserver) |
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48 { |
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49 HTI_LOG_TEXT( "CMultiTouchPointerEventHandler constructor" ); |
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50 } |
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51 |
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52 // ---------------------------------------------------------------------------- |
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53 // CMultiTouchPointerEventHandler::~CMultiTouchPointerEventHandler() |
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54 // ---------------------------------------------------------------------------- |
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55 CMultiTouchPointerEventHandler::~CMultiTouchPointerEventHandler() |
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56 { |
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57 HTI_LOG_TEXT( "CMultiTouchPointerEventHandler destructor" ); |
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58 Clear(); |
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59 iWsSession.Close(); |
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60 } |
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61 |
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62 // ---------------------------------------------------------------------------- |
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63 // CMultiTouchPointerEventHandler::ConstructL() |
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64 // ---------------------------------------------------------------------------- |
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65 void CMultiTouchPointerEventHandler::ConstructL() |
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66 { |
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67 HTI_LOG_TEXT( "CMultiTouchPointerEventHandler::ConstructL" ); |
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68 User::LeaveIfError( iWsSession.Connect() ); |
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69 } |
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70 // ---------------------------------------------------------------------------- |
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71 // CMultiTouchPointerEventHandler::Clear() |
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72 // ---------------------------------------------------------------------------- |
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73 void CMultiTouchPointerEventHandler::Clear() |
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74 { |
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75 HTI_LOG_TEXT( "CMultiTouchPointerEventHandler::Clear" ); |
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76 iTouchPointerArray.ResetAndDestroy(); |
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77 iFinishedCount=0; |
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78 } |
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79 // ---------------------------------------------------------------------------- |
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80 // CMultiTouchPointerEventHandler::NotifyTouchComplete() |
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81 // ---------------------------------------------------------------------------- |
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82 void CMultiTouchPointerEventHandler::NotifyTouchComplete(TUint8 aTouchNumber) |
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83 { |
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84 HTI_LOG_FUNC_IN("CMultiTouchPointerEventHandler::NotifyTouchComplete"); |
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85 |
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86 iFinishedCount++; |
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87 HTI_LOG_FORMAT( "touch number %d finished", aTouchNumber); |
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88 HTI_LOG_FORMAT( "%d touch finished", iFinishedCount); |
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89 |
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90 if(iTouchPointerArray.Count() == iFinishedCount) |
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91 { |
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92 // notify observer |
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93 iObserver.NotifyMultiTouchComplete(); |
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94 } |
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95 |
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96 HTI_LOG_FUNC_OUT("CMultiTouchPointerEventHandler::NotifyTouchComplete"); |
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97 } |
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98 // ---------------------------------------------------------------------------- |
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99 // CMultiTouchPointerEventHandler::ParsePoint() |
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100 // ---------------------------------------------------------------------------- |
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101 TBool CMultiTouchPointerEventHandler::ParsePoint( const TDesC8& aData, TInt& aoffset, |
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102 TInt& aX, TInt& aY, TInt& aZ, |
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103 TTimeIntervalMicroSeconds32& aWait, TTimeIntervalMicroSeconds32& aHold ) |
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104 { |
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105 HTI_LOG_FUNC_IN( "CMultiTouchPointerEventHandler::ParsePoint" ); |
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106 |
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107 TInt dataLength = aData.Length(); |
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108 if ( dataLength-aoffset < 14 ) |
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109 return EFalse ; |
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110 |
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111 aX = aData[aoffset] + ( aData[aoffset+1] << 8 ); |
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112 aoffset += 2; |
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113 |
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114 aY = aData[aoffset] + ( aData[aoffset+1] << 8 ); |
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115 aoffset += 2; |
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116 |
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117 aZ = aData[aoffset] + ( aData[aoffset+1] << 8 ); |
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118 aoffset += 2; |
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119 |
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120 aWait = (aData[aoffset] + ( aData[aoffset+1] << 8 ) |
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121 + ( aData[aoffset+2] << 16 ) + (aData[aoffset+3] << 24) ) * 1000; |
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122 aoffset += 4; |
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123 |
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124 aHold = ( aData[aoffset] + ( aData[aoffset+1] << 8 ) |
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125 + ( aData[aoffset+2] << 16 ) + (aData[aoffset+3] << 24) ) * 1000; |
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126 aoffset += 4; |
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127 |
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128 HTI_LOG_FUNC_OUT( "CMultiTouchPointerEventHandler::ParsePoint" ); |
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129 return ETrue; |
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130 } |
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131 // ---------------------------------------------------------------------------- |
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132 // CMultiTouchPointerEventHandler::ParseMove() |
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133 // ---------------------------------------------------------------------------- |
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134 TBool CMultiTouchPointerEventHandler::ParseMove( const TDesC8& aData, TInt& aoffset, |
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135 TTimeIntervalMicroSeconds32& aDragTime, TInt& aStepCount ) |
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136 { |
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137 HTI_LOG_FUNC_IN( "CMultiTouchPointerEventHandler::ParseMove" ); |
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138 |
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139 TInt dataLength = aData.Length(); |
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140 if ( dataLength-aoffset < 6 ) |
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141 return EFalse ; |
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142 |
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143 aDragTime = ( aData[aoffset] + ( aData[aoffset+1] << 8 ) |
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144 + ( aData[aoffset+2] << 16 ) + (aData[aoffset+3] << 24) ) * 1000; |
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145 aoffset += 4; |
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146 |
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147 aStepCount = aData[aoffset] + ( aData[aoffset+1] << 8 ); |
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148 aoffset += 2; |
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149 |
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150 HTI_LOG_FUNC_OUT( "CMultiTouchPointerEventHandler::ParseMove" ); |
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151 return ETrue; |
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152 } |
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153 // ---------------------------------------------------------------------------- |
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154 // CMultiTouchPointerEventHandler::HandleMultiTouchL() |
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155 // ---------------------------------------------------------------------------- |
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156 TBool CMultiTouchPointerEventHandler::HandleMultiTouchL( const TDesC8& aData ) |
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157 { |
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158 HTI_LOG_FUNC_IN( "CMultiTouchPointerEventHandler::HandleMultiTouchL" ); |
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159 TBool validparameter=EFalse; |
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160 |
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161 TInt dataLength = aData.Length(); |
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162 if ( dataLength < 1 ) |
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163 return validparameter; |
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164 |
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165 // Parse the parameters - correct length is already verified |
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166 TInt offset = 0; |
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167 |
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168 TInt touchCount = aData[offset]; |
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169 offset += 1; |
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170 HTI_LOG_FORMAT( "Number of touches: %d", touchCount ); |
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171 if (touchCount<=0) |
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172 return validparameter; |
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173 |
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174 for(TInt i=0; i<touchCount; i++) |
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175 { |
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176 //check valid data length |
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177 if(dataLength-offset < 3) |
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178 return validparameter; |
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179 |
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180 TInt pointerNumber = aData[offset]; |
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181 offset += 1; |
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182 HTI_LOG_FORMAT( "Pointer Number %d", pointerNumber ); |
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183 |
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184 TInt pointerCount = aData[offset] + ( aData[offset+1] << 8 ); |
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185 offset += 2; |
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186 HTI_LOG_FORMAT( "Number of points: %d", pointerCount ); |
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187 |
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188 if (pointerCount == 0 ) |
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189 return validparameter; |
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190 |
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191 CMultiTouchPointerEvent* touch = CMultiTouchPointerEvent::NewL(pointerNumber,this); |
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192 CleanupStack::PushL(touch); |
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193 iTouchPointerArray.AppendL(touch); |
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194 CleanupStack::Pop(); |
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195 |
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196 TInt lastX, lastY, lastZ, stepCount; |
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197 TTimeIntervalMicroSeconds32 dragTime; |
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198 |
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199 for (TInt j=0;j<pointerCount;j++) |
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200 { |
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201 // read point |
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202 TInt X1, Y1, Z1; |
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203 TTimeIntervalMicroSeconds32 waitTime, holdTime; |
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204 if (!ParsePoint( aData, offset,X1, Y1, Z1, waitTime, holdTime)) |
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205 return validparameter; |
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206 |
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207 HTI_LOG_FORMAT( "X coord down = %d", X1 ); |
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208 HTI_LOG_FORMAT( "Y coord down = %d", Y1 ); |
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209 HTI_LOG_FORMAT( "Z coord down = %d", Z1 ); |
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210 HTI_LOG_FORMAT( "Event wait time = %d", waitTime.Int() ); |
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211 HTI_LOG_FORMAT( "Point holding time = %d", holdTime.Int() ); |
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212 |
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213 if ( waitTime.Int() < 0 || holdTime.Int() < 0 ) |
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214 return validparameter; |
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215 |
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216 // add move event from last point to this point |
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217 if (j!=0) |
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218 { |
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219 HTI_LOG_FORMAT( "Point dragging time = %d", dragTime.Int() ); |
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220 HTI_LOG_FORMAT( "Step count between two points = %d", stepCount ); |
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221 touch->InterpolatePointL(lastX, lastY, lastZ,X1,Y1,Z1,dragTime,stepCount); |
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222 } |
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223 |
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224 // set last point |
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225 lastX=X1; |
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226 lastY=Y1; |
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227 lastZ=Z1; |
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228 |
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229 // wait event |
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230 touch->AddPointL(waitTime,X1,Y1,Z1,TRawEvent::EButton1Down); |
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231 |
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232 // hold event |
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233 touch->AddPointL(holdTime, X1,Y1,Z1,TRawEvent::EPointerMove); |
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234 |
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235 if (j!=pointerCount-1) |
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236 { |
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237 // not last point |
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238 if (!ParseMove(aData, offset, dragTime, stepCount)) |
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239 return validparameter; |
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240 if (dragTime.Int() < 0 || stepCount <= 0) |
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241 return validparameter; |
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242 } |
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243 else |
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244 { |
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245 // last point |
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246 touch->AddPointL(0,X1,Y1,Z1,TRawEvent::EButton1Up); |
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247 } |
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248 } |
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249 |
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250 touch->PrintInfo(); |
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251 |
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252 } |
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253 |
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254 |
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255 for (TInt i=0;i<touchCount;i++) |
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256 iTouchPointerArray[i]->StartTouch(); |
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257 |
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258 validparameter=ETrue; |
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259 |
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260 HTI_LOG_FUNC_OUT( "CMultiTouchPointerEventHandler::HandleMultiTouchL" ); |
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261 return validparameter; |
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262 } |
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263 |
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264 void CMultiTouchPointerEventHandler::SimulateEvent(TUint8 aTouchNumber, |
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265 TInt aX, TInt aY, TInt aZ, TRawEvent::TType aEventType) |
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266 { |
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267 HTI_LOG_FUNC_IN( "CMultiTouchPointerEventHandler::SimulateEvent" ); |
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268 |
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269 TRawEvent rawEvent; |
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270 rawEvent.SetPointerNumber( aTouchNumber ); |
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271 rawEvent.Set( aEventType, aX, aY, aZ); |
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272 |
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273 HTI_LOG_FORMAT( "SimulatePointer touch number=%d ", aTouchNumber ); |
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274 HTI_LOG_FORMAT( "SimulatePointer event=%d ", aEventType ); |
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275 HTI_LOG_FORMAT( "SimulatePointer X=%d ", aX ); |
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276 HTI_LOG_FORMAT( "SimulatePointer Y=%d ", aY ); |
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277 HTI_LOG_FORMAT( "SimulatePointer Z=%d", aZ ); |
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278 |
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279 iWsSession.SimulateRawEvent( rawEvent ); |
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280 iWsSession.Flush(); |
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281 |
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282 HTI_LOG_FUNC_OUT( "CMultiTouchPointerEventHandler::SimulateEvent" ); |
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283 |
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284 } |
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285 |
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286 // End of file |
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