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: |
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15 * |
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16 */ |
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17 |
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18 #include "HgKeyUtils.h" |
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19 #include "HgConstants.h" |
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20 #include <ganes/HgScroller.h> |
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21 #include <ganes/HgItem.h> |
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22 |
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23 #include <w32std.h> |
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24 #include <eikbtgpc.h> |
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25 #include <eikcba.h> |
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26 #include <avkon.rsg> |
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27 #include <avkon.hrh> |
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28 #include <AknUtils.h> |
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29 |
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30 // ----------------------------------------------------------------------------- |
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31 // CHgKeyUtils::NewL() |
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32 // ----------------------------------------------------------------------------- |
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33 // |
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34 CHgKeyUtils* CHgKeyUtils::NewL( CHgScroller& aScroller ) |
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35 { |
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36 CHgKeyUtils* self = new (ELeave) CHgKeyUtils( aScroller ); |
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37 CleanupStack::PushL( self ); |
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38 self->ConstructL(); |
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39 CleanupStack::Pop( self ); |
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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 // CHgKeyUtils::CHgKeyUtils() |
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45 // ----------------------------------------------------------------------------- |
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46 // |
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47 CHgKeyUtils::~CHgKeyUtils() |
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48 { |
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49 RemoveMSKObserver(); |
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50 // Stop listening CenRep. |
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51 if (iCenRepNotifyHandler) |
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52 { |
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53 iCenRepNotifyHandler->StopListening(); |
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54 } |
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55 delete iCenRepNotifyHandler; |
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56 delete iCenRep; |
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57 } |
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58 |
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59 // ----------------------------------------------------------------------------- |
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60 // CHgKeyUtils::HandleNotifyInt() |
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61 // ----------------------------------------------------------------------------- |
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62 // |
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63 void CHgKeyUtils::HandleNotifyInt(TUint32 aId, TInt aNewValue) |
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64 { |
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65 if (aId == KAknFepHashKeySelection) |
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66 { |
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67 iAknFepHashKeySelection = (TBool)aNewValue; |
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68 } |
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69 } |
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70 |
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71 // ----------------------------------------------------------------------------- |
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72 // CHgKeyUtils::CHgKeyUtils() |
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73 // ----------------------------------------------------------------------------- |
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74 // |
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75 CHgKeyUtils::CHgKeyUtils( CHgScroller& aScroller ): |
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76 iScroller( aScroller ) |
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77 { |
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78 |
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79 } |
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80 |
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81 // ----------------------------------------------------------------------------- |
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82 // CHgKeyUtils::ConstructL() |
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83 // ----------------------------------------------------------------------------- |
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84 // |
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85 void CHgKeyUtils::ConstructL() |
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86 { |
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87 iMskEnabledInPlatform = AknLayoutUtils::MSKEnabled(); |
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88 |
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89 // Start listening a CenRep key indicating whether hash key selection is active. |
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90 TRAPD(err, iCenRep = CRepository::NewL(KCRUidAknFep)); |
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91 if (err == KErrNone) |
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92 { |
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93 iCenRepNotifyHandler = CCenRepNotifyHandler::NewL(*this, |
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94 *iCenRep, |
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95 CCenRepNotifyHandler::EIntKey, |
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96 KAknFepHashKeySelection); |
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97 |
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98 iCenRepNotifyHandler->StartListeningL(); |
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99 iCenRep->Get(KAknFepHashKeySelection, iAknFepHashKeySelection); |
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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 // CHgKeyUtils::SelectionMode() |
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105 // ----------------------------------------------------------------------------- |
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106 // |
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107 TBool CHgKeyUtils::SelectionMode( const TKeyEvent& aKeyEvent ) |
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108 { |
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109 return (iAknFepHashKeySelection && aKeyEvent.iScanCode == EStdKeyHash) || |
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110 aKeyEvent.iScanCode == EStdKeyLeftShift || |
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111 aKeyEvent.iScanCode == EStdKeyRightShift || |
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112 aKeyEvent.iScanCode == EStdKeyLeftCtrl || |
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113 aKeyEvent.iScanCode == EStdKeyRightCtrl; |
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114 } |
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115 |
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116 // ----------------------------------------------------------------------------- |
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117 // CHgKeyUtils::ProcessCommandL() |
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118 // ----------------------------------------------------------------------------- |
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119 // |
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120 void CHgKeyUtils::ProcessCommandL(TInt aCommandId) |
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121 { |
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122 if( !iMskEnabledInPlatform ) |
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123 return; |
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124 |
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125 switch ( aCommandId ) |
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126 { |
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127 case EAknSoftkeyShiftMSK: |
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128 { |
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129 const TInt selectedIndex = iScroller.SelectedIndex(); |
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130 if ( selectedIndex != KErrNotFound ) |
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131 { |
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132 if( iScroller.ItemL( selectedIndex ).Flags() & CHgItem::EHgItemFlagMarked ) |
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133 { |
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134 iScroller.UnMark(selectedIndex); |
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135 iScroller.SetSelectionMode( CHgScroller::ESelectionUnMark ); |
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136 } |
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137 else |
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138 { |
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139 iScroller.Mark(selectedIndex); |
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140 iScroller.SetSelectionMode( CHgScroller::ESelectionMark ); |
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141 } |
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142 } |
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143 } |
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144 break; |
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145 default: |
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146 break; |
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147 } |
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148 } |
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149 |
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150 // ----------------------------------------------------------------------------- |
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151 // CHgKeyUtils::CreateMSKObserverL() |
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152 // ----------------------------------------------------------------------------- |
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153 // |
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154 void CHgKeyUtils::CreateMSKObserver() |
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155 { |
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156 if( !iMskEnabledInPlatform ) |
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157 return; |
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158 |
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159 RemoveMSKObserver(); |
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160 |
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161 UpdateMSKVars(); |
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162 |
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163 if( !iCba ) |
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164 return; |
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165 |
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166 iCba->SetMSKCommandObserver(this); |
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167 iMSKButtonGroupAlive = ETrue; |
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168 } |
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169 |
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170 // ----------------------------------------------------------------------------- |
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171 // CHgKeyUtils::RemoveMSKObserver() |
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172 // ----------------------------------------------------------------------------- |
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173 // |
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174 void CHgKeyUtils::RemoveMSKObserver() |
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175 { |
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176 if( !iMSKButtonGroupAlive || !iMskEnabledInPlatform ) |
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177 return; |
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178 |
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179 UpdateMSKVars(); |
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180 |
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181 if( !iCba ) |
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182 return; |
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183 |
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184 iCba->SetMSKCommandObserver(NULL); |
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185 iMSKButtonGroupAlive = EFalse; |
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186 } |
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187 |
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188 // ----------------------------------------------------------------------------- |
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189 // CHgKeyUtils::UpdateMSKVars() |
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190 // ----------------------------------------------------------------------------- |
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191 // |
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192 void CHgKeyUtils::UpdateMSKVars() |
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193 { |
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194 if( !iMskEnabledInPlatform ) |
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195 return; |
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196 |
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197 CEikButtonGroupContainer* bgc; |
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198 iCba = NULL; |
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199 |
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200 iScroller.MopGetObject( bgc ); |
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201 if ( bgc ) |
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202 { |
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203 iCba = ( static_cast<CEikCba*>( bgc->ButtonGroup() ) ); // downcast from MEikButtonGroup |
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204 } |
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205 } |
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206 |
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207 // ----------------------------------------------------------------------------- |
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208 // CHgKeyUtils::OfferKeyEventL() |
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209 // ----------------------------------------------------------------------------- |
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210 // |
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211 TKeyResponse CHgKeyUtils::OfferKeyEventL( const TKeyEvent& aKeyEvent, TEventCode aType ) |
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212 { |
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213 TKeyResponse response = EKeyWasNotConsumed; |
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214 |
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215 // if we have markable list and either shift, ctrl or hash is long pressed |
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216 // down, we will enter selection (marking) mode, where MSK is Mark/Unmark |
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217 if( SelectionMode( aKeyEvent ) ) |
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218 { |
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219 if( aType == EEventKeyDown ) |
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220 { |
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221 iShiftKeyPressed = ETrue; |
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222 iScroller.SetSelectionMode( CHgScroller::ESelectionPossible ); |
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223 } |
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224 else if( aType == EEventKeyUp ) |
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225 { |
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226 iShiftKeyPressed = EFalse; |
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227 iScroller.SetSelectionMode( CHgScroller::ENoSelection ); |
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228 } |
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229 response = EKeyWasConsumed; |
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230 } |
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231 |
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232 const TInt selectedIndex = iScroller.SelectedIndex(); |
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233 if( iShiftKeyPressed |
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234 && aType == EEventKey |
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235 && selectedIndex != KErrNotFound |
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236 && iScroller.SelectionMode() == CHgScroller::ESelectionPossible ) |
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237 { |
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238 TBool itemMarked = iScroller.ItemL( selectedIndex ).Flags() & CHgItem::EHgItemFlagMarked; |
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239 if(itemMarked) |
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240 { |
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241 iScroller.SetSelectionMode( CHgScroller::ESelectionUnMark ); |
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242 } |
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243 else |
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244 { |
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245 iScroller.SetSelectionMode( CHgScroller::ESelectionMark ); |
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246 } |
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247 |
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248 if( ( iAknFepHashKeySelection && aKeyEvent.iScanCode == EStdKeyHash ) ) |
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249 { |
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250 if( itemMarked ) |
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251 { |
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252 iScroller.UnMark(selectedIndex); |
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253 } |
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254 else |
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255 { |
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256 iScroller.Mark(selectedIndex); |
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257 } |
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258 iScroller.RefreshScreen(selectedIndex); |
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259 } |
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260 |
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261 } |
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262 |
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263 return response; |
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264 } |
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265 |
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266 // ----------------------------------------------------------------------------- |
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267 // CHgKeyUtils::HandleLosingForeground() |
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268 // ----------------------------------------------------------------------------- |
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269 // |
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270 void CHgKeyUtils::HandleLosingFocus() |
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271 { |
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272 // switch off selection (marking) mode when we lose focus |
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273 iShiftKeyPressed = EFalse; |
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274 iSelectionModeEnabled = EFalse; |
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275 iScroller.SetSelectionMode( CHgScroller::ENoSelection ); |
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276 RemoveMSKObserver(); |
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277 } |
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278 |
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279 // ----------------------------------------------------------------------------- |
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280 // CHgKeyUtils::HandleGainingForeground() |
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281 // ----------------------------------------------------------------------------- |
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282 // |
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283 void CHgKeyUtils::HandleGainingFocus() |
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284 { |
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285 CreateMSKObserver(); |
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286 } |
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287 |
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288 // End of file |
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