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1 /* |
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2 * Copyright (c) 2006-2006 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 layout base |
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15 * |
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16 */ |
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17 |
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18 //SYSTEM INCLUDES |
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19 #include <e32math.h> |
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20 |
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21 //FEP Includes |
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22 #include <peninputcmd.h> |
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23 |
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24 //USER INCLUDES |
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25 #include "peninputfullscrlayoutbase.h" |
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26 |
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27 // Test for Scroll bar laf read |
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28 #include "peninputhwrfscnlafmanager.h" |
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29 |
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30 |
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31 //CONST DEFINATION |
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32 const TInt KMaxBufferEventNum = 30; |
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33 const TInt KMinBufEventsCount = 2; |
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34 |
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35 const TInt KAngle90 = 90; |
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36 const TInt KAngle180 = 180; |
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37 const TInt KAngle270 = 270; |
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38 const TInt KAngle360 = 360; |
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39 const TInt KPendownHoldTime = 800 * 1000; |
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40 |
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41 // ======== MEMBER FUNCTIONS ======== |
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42 |
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43 // --------------------------------------------------------------------------- |
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44 // CPenInputFullScreenLayoutBase::CPenInputFullScreenLayoutBase |
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45 // Constructor |
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46 // --------------------------------------------------------------------------- |
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47 // |
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48 CPenInputFullScreenLayoutBase:: |
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49 CPenInputFullScreenLayoutBase( MLayoutOwner* aLayoutOwner ) |
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50 :CFepUiLayout( aLayoutOwner ) |
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51 { |
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52 iEnableStrokeFilter = ETrue; |
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53 } |
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54 |
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55 // --------------------------------------------------------------------------- |
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56 // CPenInputFullScreenLayoutBase::~CPenInputFullScreenLayoutBase |
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57 // Destructor |
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58 // --------------------------------------------------------------------------- |
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59 // |
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60 CPenInputFullScreenLayoutBase::~CPenInputFullScreenLayoutBase() |
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61 { |
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62 delete iLongTapPeriodic; |
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63 } |
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64 |
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65 // --------------------------------------------------------------------------- |
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66 // CPenInputFullScreenLayoutBase::BaseConstructL |
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67 // Do basic contructor |
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68 // --------------------------------------------------------------------------- |
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69 // |
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70 void CPenInputFullScreenLayoutBase::BaseConstructL() |
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71 { |
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72 CFepUiLayout::BaseConstructL(); |
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73 |
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74 iLongTapPeriodic = CPeriodic::NewL( CActive::EPriorityStandard ); |
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75 } |
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76 |
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77 // --------------------------------------------------------------------------- |
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78 // CPenInputFullScreenLayoutBase::PeriodicCallBack |
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79 // . |
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80 // --------------------------------------------------------------------------- |
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81 // |
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82 TInt CPenInputFullScreenLayoutBase::PeriodicCallBack( TAny *aAnyPtr ) |
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83 { |
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84 CPenInputFullScreenLayoutBase *pThis = |
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85 static_cast<CPenInputFullScreenLayoutBase*>( aAnyPtr ); |
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86 return pThis->OnLongTapTimeOut(); |
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87 } |
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88 |
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89 // --------------------------------------------------------------------------- |
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90 // CPenInputFullScreenLayoutBase::StartLongTapTimer |
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91 // . |
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92 // --------------------------------------------------------------------------- |
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93 // |
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94 void CPenInputFullScreenLayoutBase::StartLongTapTimer() |
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95 { |
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96 if ( !iLongTapPeriodic->IsActive() ) |
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97 { |
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98 iLongTapPeriodic->Start( KPendownHoldTime/*0.8s*/, 0, |
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99 TCallBack( PeriodicCallBack, this ) ); |
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100 } |
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101 } |
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102 |
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103 // --------------------------------------------------------------------------- |
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104 // CPenInputFullScreenLayoutBase::StopLongTapTimer |
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105 // . |
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106 // --------------------------------------------------------------------------- |
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107 // |
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108 void CPenInputFullScreenLayoutBase::StopLongTapTimer() |
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109 { |
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110 iLongTapPeriodic->Cancel(); |
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111 } |
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112 |
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113 // --------------------------------------------------------------------------- |
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114 // CPenInputFullScreenLayoutBase::RecordPointerEvent |
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115 // . |
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116 // --------------------------------------------------------------------------- |
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117 // |
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118 void CPenInputFullScreenLayoutBase:: |
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119 RecordPointerEvent( const TRawEvent &aEvent ) |
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120 { |
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121 if( iEventBuf.Count() == KMaxBufferEventNum ) |
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122 { |
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123 //replace the last pointer move event with new one; |
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124 if( iEventBuf[KMaxBufferEventNum - 1].Type() == |
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125 TRawEvent::EPointerMove ) |
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126 { |
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127 iEventBuf[KMaxBufferEventNum - 1] = aEvent; |
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128 } |
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129 } |
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130 else |
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131 { |
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132 iEventBuf.Append( aEvent ); |
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133 } |
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134 } |
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135 |
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136 // --------------------------------------------------------------------------- |
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137 // CPenInputFullScreenLayoutBase::SendBufferEventToLayoutL |
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138 // . |
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139 // --------------------------------------------------------------------------- |
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140 // |
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141 void CPenInputFullScreenLayoutBase::SendBufferEventToLayoutL() |
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142 { |
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143 TInt count = iEventBuf.Count(); |
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144 for( TInt i = 0; i < count; i++ ) |
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145 { |
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146 CFepUiLayout::HandleEventL( ERawEvent, &iEventBuf[i] ); |
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147 } |
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148 |
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149 iEventBuf.Reset(); |
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150 } |
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151 |
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152 // --------------------------------------------------------------------------- |
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153 // CPenInputFullScreenLayoutBase::SendBufferEventToBackground |
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154 // . |
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155 // --------------------------------------------------------------------------- |
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156 // |
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157 void CPenInputFullScreenLayoutBase::SendBufferEventToBackground() |
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158 { |
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159 BeforeSendingEventsToBackground(); |
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160 TInt count = iEventBuf.Count(); |
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161 for( TInt i = 0; i < count; i++ ) |
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162 { |
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163 TPtrC data; |
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164 data.Set( reinterpret_cast<TUint16*>( &iEventBuf[i] ), |
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165 sizeof( TRawEvent ) / sizeof( TUint16 ) ); |
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166 |
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167 SignalOwner( ESignalSimulateEvent, data ); |
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168 } |
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169 |
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170 iEventBuf.Reset(); |
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171 } |
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172 |
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173 // --------------------------------------------------------------------------- |
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174 // CPenInputFullScreenLayoutBase::CalcDiagonalDistance |
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175 // . |
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176 // --------------------------------------------------------------------------- |
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177 // |
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178 TReal CPenInputFullScreenLayoutBase::CalcDiagonalDistance() |
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179 { |
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180 //init left top right bottom |
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181 TPoint leftTop = iEventBuf[0].Pos(); |
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182 TPoint rightBottom = iEventBuf[iEventBuf.Count() - 1].Pos(); |
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183 |
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184 //find min left top and max right bottom |
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185 TInt count = iEventBuf.Count(); |
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186 for( TInt i = 1; i < count - 1; ++i ) |
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187 { |
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188 TPoint pt = iEventBuf[i].Pos(); |
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189 leftTop.iX = Min( leftTop.iX, pt.iX ); |
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190 leftTop.iY = Min( leftTop.iY, pt.iY ); |
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191 rightBottom.iX = Max( rightBottom.iX, pt.iX ); |
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192 rightBottom.iY = Max( rightBottom.iY, pt.iY ); |
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193 } |
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194 |
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195 //calculate width and height |
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196 TInt nWidth = rightBottom.iX - leftTop.iX; |
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197 TInt nHeight = rightBottom.iY - leftTop.iY; |
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198 |
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199 //calculate diagonaDistance accroding "Pythagorean proposition" |
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200 TReal diagonaDistanceSquare = nWidth * nWidth + nHeight * nHeight; |
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201 TReal diagonaDistance = 0; |
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202 Math::Sqrt( diagonaDistance, diagonaDistanceSquare ); |
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203 |
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204 return diagonaDistance; |
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205 } |
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206 |
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207 // --------------------------------------------------------------------------- |
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208 // CPenInputFullScreenLayoutBase::CalcAngle |
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209 // . |
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210 // --------------------------------------------------------------------------- |
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211 // |
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212 TInt CPenInputFullScreenLayoutBase::CalcAngle() |
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213 { |
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214 TPoint startPos = iEventBuf[0].Pos(); |
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215 TPoint endPos = iEventBuf[iEventBuf.Count() - 1].Pos(); |
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216 |
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217 TReal x = endPos.iX - startPos.iX; |
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218 TReal y = startPos.iY - endPos.iY; |
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219 |
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220 if ( ( endPos.iX - startPos.iX ) == 0 ) |
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221 { |
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222 if ( y > 0 ) |
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223 { |
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224 return KAngle90; |
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225 } |
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226 else |
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227 { |
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228 return KAngle270; |
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229 } |
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230 } |
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231 |
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232 TReal radians = 0; |
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233 Math::ATan( radians, y, x ); |
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234 TReal angle = radians * KAngle180 / KPi; |
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235 |
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236 if ( x < 0 ) |
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237 { |
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238 angle += KAngle180; |
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239 } |
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240 else if ( x > 0 ) |
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241 { |
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242 angle += KAngle360; |
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243 } |
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244 |
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245 if ( angle >= KAngle360 ) |
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246 { |
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247 angle -= KAngle360; |
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248 } |
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249 |
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250 return angle; |
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251 } |
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252 |
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253 // --------------------------------------------------------------------------- |
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254 // CPenInputFullScreenLayoutBase::IsStroke |
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255 // . |
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256 // --------------------------------------------------------------------------- |
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257 // |
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258 TBool CPenInputFullScreenLayoutBase::IsStroke() |
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259 { |
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260 if( iEventBuf.Count() < KMinBufEventsCount ) |
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261 { |
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262 return EFalse; |
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263 } |
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264 |
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265 //diagonal distance in pixel |
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266 TReal n = CalcDiagonalDistance(); |
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267 |
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268 //anti-clockwise angle of the two lines from origin to point. |
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269 TInt m = CalcAngle(); |
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270 |
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271 if( iEventBuf[iEventBuf.Count() - 1].Type() == TRawEvent::EButton1Up ) |
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272 { |
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273 //if end with button up event then it's a quickly tap |
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274 if( n > 14 ) |
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275 { |
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276 return ETrue; |
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277 } |
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278 else if( n > 7.02 ) |
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279 { |
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280 if( m < 80 || m > 260 ) |
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281 { |
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282 return ETrue; |
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283 } |
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284 } |
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285 } |
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286 else |
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287 { |
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288 //else pen is moving |
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289 if( n > 14 ) |
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290 { |
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291 return ETrue; |
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292 } |
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293 } |
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294 |
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295 return EFalse; |
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296 } |
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297 |
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298 // --------------------------------------------------------------------------- |
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299 // CPenInputFullScreenLayoutBase::OnRawEvent_Button1Down |
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300 // . |
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301 // --------------------------------------------------------------------------- |
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302 // |
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303 TBool CPenInputFullScreenLayoutBase:: |
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304 OnRawEvent_Button1Down( const TRawEvent &aEvent ) |
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305 { |
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306 //tap start from non-hwrbox |
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307 if( RootControl()->NonHwrStartingPtRegion().Contains( aEvent.Pos() ) ) |
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308 { |
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309 iPenState = EPenStateStroke; |
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310 return EFalse; |
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311 } |
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312 |
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313 // Just test scroll bar rect problem |
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314 TRect scrollBarRect = PeninputHwrfscnLAFManager::ScrollBarRect(); |
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315 if ( scrollBarRect.Contains( aEvent.Pos() ) ) |
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316 { |
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317 RecordPointerEvent( aEvent ); |
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318 iPenState = EPenStateLongTap; |
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319 SendBufferEventToBackground(); |
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320 return ETrue; |
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321 } |
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322 |
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323 StartLongTapTimer(); |
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324 |
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325 RecordPointerEvent( aEvent ); |
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326 |
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327 iPenState = EPenStateUnknown; |
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328 |
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329 return ETrue; |
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330 } |
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331 |
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332 // --------------------------------------------------------------------------- |
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333 // CPenInputFullScreenLayoutBase::OnLongTapTimeOut |
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334 // . |
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335 // --------------------------------------------------------------------------- |
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336 // |
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337 TInt CPenInputFullScreenLayoutBase::OnLongTapTimeOut() |
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338 { |
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339 StopLongTapTimer(); |
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340 |
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341 if( IsStroke() ) |
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342 { |
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343 iPenState = EPenStateStroke; |
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344 TRAP_IGNORE( SendBufferEventToLayoutL() ); |
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345 } |
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346 else |
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347 { |
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348 iPenState = EPenStateLongTap; |
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349 SendBufferEventToBackground(); |
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350 } |
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351 |
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352 return KErrNone; |
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353 } |
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354 |
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355 // --------------------------------------------------------------------------- |
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356 // CPenInputFullScreenLayoutBase::OnRawEvent_PointerMove |
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357 // . |
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358 // --------------------------------------------------------------------------- |
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359 // |
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360 TBool CPenInputFullScreenLayoutBase:: |
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361 OnRawEvent_PointerMove( const TRawEvent &aEvent ) |
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362 { |
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363 if( iPenState == EPenStateStroke ) |
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364 { |
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365 return EFalse; |
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366 } |
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367 |
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368 RecordPointerEvent( aEvent ); |
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369 |
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370 if( iPenState == EPenStateUnknown ) |
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371 { |
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372 if( IsStroke() ) |
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373 { |
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374 iPenState = EPenStateStroke; |
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375 |
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376 StopLongTapTimer(); |
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377 |
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378 TRAP_IGNORE( SendBufferEventToLayoutL() ); |
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379 } |
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380 } |
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381 else if( iPenState == EPenStateLongTap ) |
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382 { |
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383 SendBufferEventToBackground(); |
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384 } |
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385 |
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386 return ETrue; |
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387 } |
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388 |
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389 // --------------------------------------------------------------------------- |
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390 // CPenInputFullScreenLayoutBase::OnRawEvent_Button1Up |
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391 // . |
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392 // --------------------------------------------------------------------------- |
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393 // |
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394 TBool CPenInputFullScreenLayoutBase:: |
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395 OnRawEvent_Button1Up( const TRawEvent &aEvent ) |
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396 { |
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397 StopLongTapTimer(); |
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398 |
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399 if( iPenState == EPenStateStroke ) |
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400 { |
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401 return EFalse; |
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402 } |
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403 |
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404 RecordPointerEvent( aEvent ); |
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405 |
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406 if( iPenState == EPenStateUnknown ) |
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407 { |
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408 if( IsStroke() ) |
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409 { |
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410 //send event to layout |
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411 TRAP_IGNORE( SendBufferEventToLayoutL() ); |
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412 } |
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413 else |
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414 { |
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415 //send event to background app |
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416 SendBufferEventToBackground(); |
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417 } |
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418 } |
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419 else if( iPenState == EPenStateLongTap ) |
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420 { |
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421 ////send event to background app |
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422 SendBufferEventToBackground(); |
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423 } |
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424 |
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425 return ETrue; |
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426 } |
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427 |
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428 // --------------------------------------------------------------------------- |
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429 // CPenInputFullScreenLayoutBase::HandleEventL |
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430 // . |
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431 // --------------------------------------------------------------------------- |
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432 // |
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433 TBool CPenInputFullScreenLayoutBase:: |
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434 HandleEventL( TEventType aType, const TAny* aData ) |
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435 { |
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436 const TRawEvent &event = *( ( TRawEvent* ) aData ); |
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437 |
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438 PreHandleEvent( aType, event ); |
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439 |
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440 TBool handled = EFalse; |
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441 |
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442 //if pointer is captured, don't buffer the event. |
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443 if( RootControl()->CtrlCapPointer() ) |
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444 { |
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445 return CFepUiLayout::HandleEventL( aType, aData ); |
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446 } |
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447 |
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448 if( iEnableStrokeFilter && aType == ERawEvent ) |
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449 { |
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450 switch( event.Type() ) |
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451 { |
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452 case TRawEvent::EButton1Down: |
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453 { |
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454 handled = OnRawEvent_Button1Down( event ); |
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455 break; |
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456 } |
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457 |
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458 case TRawEvent::EButton1Up: |
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459 { |
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460 handled = OnRawEvent_Button1Up( event ); |
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461 break; |
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462 } |
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463 |
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464 case TRawEvent::EPointerMove: |
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465 { |
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466 handled = OnRawEvent_PointerMove( event ); |
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467 break; |
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468 } |
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469 |
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470 default: |
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471 break; |
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472 } |
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473 } |
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474 |
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475 if( handled ) |
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476 { |
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477 return ETrue; |
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478 } |
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479 |
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480 |
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481 if( !iEnableStrokeFilter && aType == ERawEvent ) |
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482 { |
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483 switch( event.Type() ) |
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484 { |
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485 case TRawEvent::EButton1Down: |
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486 { |
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487 RecordPointerEvent( event ); |
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488 return EFalse; |
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489 } |
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490 case TRawEvent::EButton1Up: |
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491 { |
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492 RecordPointerEvent( event ); |
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493 SendBufferEventToLayoutL(); |
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494 return ETrue; |
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495 } |
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496 case TRawEvent::EPointerMove: |
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497 { |
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498 RecordPointerEvent( event ); |
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499 CFepUiBaseCtrl* hwrWnd = RootControl()->ControlByType(ECtrlTransparentHwrWnd); |
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500 if(IsStroke() && hwrWnd) |
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501 { |
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502 hwrWnd->CapturePointer(); |
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503 SendBufferEventToLayoutL(); |
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504 } |
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505 return ETrue; |
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506 } |
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507 default: |
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508 break; |
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509 } |
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510 } |
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511 iEventBuf.Reset(); |
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512 return CFepUiLayout::HandleEventL( aType, aData ); |
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513 } |
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514 |
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515 // --------------------------------------------------------------------------- |
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516 // CPenInputFullScreenLayoutBase::SemiTransparencyRequired |
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517 // . |
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518 // --------------------------------------------------------------------------- |
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519 // |
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520 TBool CPenInputFullScreenLayoutBase::SemiTransparencyRequired() |
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521 { |
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522 return EFalse; |
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523 } |
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524 |
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525 // --------------------------------------------------------------------------- |
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526 // CPenInputFullScreenLayoutBase::EnableStrokeFilter |
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527 // . |
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528 // --------------------------------------------------------------------------- |
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529 // |
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530 void CPenInputFullScreenLayoutBase::EnableStrokeFilter( TBool aEnable ) |
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531 { |
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532 iEnableStrokeFilter = aEnable; |
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533 } |
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534 |
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535 // --------------------------------------------------------------------------- |
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536 // CPenInputFullScreenLayoutBase::StrokeFilter |
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537 // . |
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538 // --------------------------------------------------------------------------- |
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539 // |
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540 TBool CPenInputFullScreenLayoutBase::StrokeFilter() const |
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541 { |
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542 return iEnableStrokeFilter; |
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543 } |
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544 // --------------------------------------------------------------------------- |
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545 // CPenInputFullScreenLayoutBase::PreHandleEvent |
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546 // . |
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547 // --------------------------------------------------------------------------- |
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548 // |
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549 void CPenInputFullScreenLayoutBase:: |
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550 PreHandleEvent( TEventType /*aType*/, const TRawEvent &/*aEvent*/ ) |
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551 { |
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552 //do nothing |
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553 } |
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554 |
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555 // --------------------------------------------------------------------------- |
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556 // CPenInputFullScreenLayoutBase::BeforeSendingEventsToBackground |
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557 // . |
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558 // --------------------------------------------------------------------------- |
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559 // |
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560 void CPenInputFullScreenLayoutBase::BeforeSendingEventsToBackground() |
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561 { |
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562 //do noting |
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563 } |
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564 //End of file |