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1 /* |
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2 * Copyright (c) 2002-2006 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: ?Description |
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15 * |
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16 */ |
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17 |
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18 |
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19 // INCLUDES |
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20 #include "CAknFileSelectionEventHandler.h" |
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21 |
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22 #include <eikbtgpc.h> // CEikButtonGroupContainer |
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23 #include <avkon.hrh> |
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24 |
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25 #include "CAknFileSelectionModel.h" |
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26 #include "MAknFileSelectionObserver.h" |
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27 #include "AknCFDUtility.h" |
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28 |
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29 |
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30 |
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31 // ============================ MEMBER FUNCTIONS =============================== |
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32 |
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33 // ----------------------------------------------------------------------------- |
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34 // CAknFileSelectionEventHandler::CAknFileSelectionEventHandler |
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35 // |
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36 // |
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37 // ----------------------------------------------------------------------------- |
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38 // |
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39 CAknFileSelectionEventHandler::CAknFileSelectionEventHandler( |
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40 CCoeEnv* aCoeEnv, |
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41 CAknFileSelectionModel* aModel, |
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42 const TCommonDialogType& aDialogType, |
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43 MAknFileSelectionObserver*& aObserver, |
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44 const HBufC*& aLeftSoftkeyFile, |
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45 const HBufC*& aLeftSoftkeyFolder, |
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46 const HBufC*& aRightSoftkeyRootFolder, |
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47 const HBufC*& aRightSoftkeySubfolder ) |
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48 : iCoeEnv( aCoeEnv ), |
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49 iModel( aModel ), |
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50 iDialogType( aDialogType ), |
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51 iObserver( aObserver ), |
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52 iLeftSoftkeyFile( aLeftSoftkeyFile ), |
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53 iLeftSoftkeyFolder( aLeftSoftkeyFolder ), |
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54 iRightSoftkeyRootFolder( aRightSoftkeyRootFolder ), |
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55 iRightSoftkeySubfolder( aRightSoftkeySubfolder ) |
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56 { |
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57 ResetSoftkeyStatus(); |
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58 } |
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59 |
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60 // ----------------------------------------------------------------------------- |
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61 // CAknFileSelectionEventHandler::ConstructL |
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62 // |
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63 // ----------------------------------------------------------------------------- |
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64 // |
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65 void CAknFileSelectionEventHandler::ConstructL() |
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66 { |
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67 } |
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68 |
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69 // ----------------------------------------------------------------------------- |
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70 // CAknFileSelectionEventHandler::NewL |
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71 // |
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72 // ----------------------------------------------------------------------------- |
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73 // |
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74 CAknFileSelectionEventHandler* CAknFileSelectionEventHandler::NewL( |
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75 CCoeEnv* aCoeEnv, |
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76 CAknFileSelectionModel* aModel, |
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77 const TCommonDialogType& aDialogType, |
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78 MAknFileSelectionObserver*& aObserver, |
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79 const HBufC*& aLeftSoftkeyFile, |
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80 const HBufC*& aLeftSoftkeyFolder, |
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81 const HBufC*& aRightSoftkeyRootFolder, |
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82 const HBufC*& aRightSoftkeySubfolder ) |
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83 { |
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84 CAknFileSelectionEventHandler* self = new( ELeave ) CAknFileSelectionEventHandler( |
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85 aCoeEnv, aModel, aDialogType, aObserver, |
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86 aLeftSoftkeyFile, aLeftSoftkeyFolder, aRightSoftkeyRootFolder, aRightSoftkeySubfolder ); |
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87 CleanupStack::PushL( self ); |
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88 self->ConstructL(); |
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89 CleanupStack::Pop(); |
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90 return self; |
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91 } |
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92 |
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93 // Destructor |
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94 CAknFileSelectionEventHandler::~CAknFileSelectionEventHandler() |
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95 { |
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96 } |
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97 |
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98 |
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99 // ----------------------------------------------------------------------------- |
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100 // CAknFileSelectionEventHandler::PushIndicesL |
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101 // |
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102 // |
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103 // ----------------------------------------------------------------------------- |
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104 // |
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105 void CAknFileSelectionEventHandler::PushIndicesL( TInt aTopIndex, TInt aFocus ) |
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106 { |
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107 TFocusItem* item = new( ELeave ) TFocusItem( aTopIndex, aFocus ); |
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108 CleanupStack::PushL( item ); |
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109 iStack.PushL( item ); |
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110 CleanupStack::Pop(); |
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111 } |
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112 |
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113 // ----------------------------------------------------------------------------- |
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114 // CAknFileSelectionEventHandler::PopIndices |
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115 // |
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116 // |
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117 // ----------------------------------------------------------------------------- |
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118 // |
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119 void CAknFileSelectionEventHandler::PopIndices( TInt& aTopIndex, TInt& aFocus ) |
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120 { |
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121 if( iStack.IsEmpty() ) |
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122 { |
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123 aTopIndex = 0; |
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124 aFocus = 0; |
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125 return; |
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126 } |
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127 TFocusItem* item = iStack.Pop(); |
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128 aTopIndex = item->iTopIndex; |
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129 aFocus = item->iFocus; |
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130 delete item; |
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131 } |
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132 |
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133 // ----------------------------------------------------------------------------- |
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134 // CAknFileSelectionEventHandler::ResetSoftkeyStatus |
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135 // |
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136 // |
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137 // ----------------------------------------------------------------------------- |
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138 // |
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139 void CAknFileSelectionEventHandler::ResetSoftkeyStatus() |
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140 { |
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141 iCurrentLeftSoftkey = EFirstTime; |
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142 iCurrentRightSoftkey = EFirstTime; |
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143 } |
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144 |
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145 // ----------------------------------------------------------------------------- |
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146 // CAknFileSelectionEventHandler::UpdateSoftkeysL |
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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 void CAknFileSelectionEventHandler::UpdateSoftkeysL( TInt aCurrentItemIndex, |
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152 CEikButtonGroupContainer* aContainer ) |
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153 { |
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154 if( !aContainer ) |
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155 { |
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156 return; |
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157 } |
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158 TBool needDrawing( EFalse ); |
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159 TSoftkeyStatus targetLeftSoftkey( ESKNotVisible ); |
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160 TSoftkeyStatus targetRightSoftkey( ESKNotVisible ); |
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161 |
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162 // Solve correct left softkey |
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163 if( iModel->MdcaCount() > 0 ) |
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164 { |
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165 if( ( aCurrentItemIndex == 0 ) && |
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166 ( AknCFDUtility::DirectoriesOnly( iDialogType ) ) ) |
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167 { |
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168 targetLeftSoftkey = ESKFileFocused; |
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169 } |
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170 else |
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171 { |
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172 if( iModel->Entry( aCurrentItemIndex ).IsDir() ) |
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173 { |
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174 targetLeftSoftkey = ESKFolderFocused; |
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175 } |
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176 else |
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177 { |
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178 targetLeftSoftkey = ESKFileFocused; |
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179 } |
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180 } |
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181 } |
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182 |
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183 // Solve correct right softkey |
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184 if( iModel->DirectoryLevel() > 0 ) |
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185 { |
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186 targetRightSoftkey = ESKInSubfolder; |
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187 } |
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188 else |
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189 { |
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190 targetRightSoftkey = ESKInRootFolder; |
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191 } |
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192 |
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193 MEikButtonGroup* bg = aContainer->ButtonGroup(); |
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194 |
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195 // Change left softkey text if needed |
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196 if( targetLeftSoftkey != iCurrentLeftSoftkey ) |
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197 { |
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198 TInt commandId( bg->CommandId( 0 ) ); // Left softkey command id |
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199 switch( targetLeftSoftkey ) |
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200 { |
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201 case ESKFileFocused: |
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202 { |
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203 aContainer->SetCommandL( commandId, *iLeftSoftkeyFile ); |
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204 break; |
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205 } |
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206 case ESKFolderFocused: |
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207 { |
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208 aContainer->SetCommandL( commandId, *iLeftSoftkeyFolder ); |
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209 break; |
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210 } |
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211 case ESKNotVisible: |
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212 { |
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213 aContainer->SetCommandL( commandId, KNullDesC ); |
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214 break; |
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215 } |
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216 default: |
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217 { |
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218 break; |
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219 } |
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220 } |
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221 needDrawing = ETrue; |
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222 iCurrentLeftSoftkey = targetLeftSoftkey; |
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223 } |
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224 |
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225 // Change right softkey text if needed |
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226 if( targetRightSoftkey != iCurrentRightSoftkey ) |
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227 { |
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228 TInt commandId( bg->CommandId( 2 ) ); // Right softkey command id |
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229 switch( targetRightSoftkey ) |
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230 { |
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231 case ESKInRootFolder: |
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232 { |
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233 aContainer->SetCommandL( commandId, *iRightSoftkeyRootFolder ); |
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234 break; |
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235 } |
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236 case ESKInSubfolder: |
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237 { |
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238 aContainer->SetCommandL( commandId, *iRightSoftkeySubfolder ); |
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239 break; |
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240 } |
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241 case ESKNotVisible: |
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242 { |
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243 aContainer->SetCommandL( commandId, KNullDesC ); |
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244 break; |
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245 } |
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246 default: |
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247 { |
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248 break; |
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249 } |
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250 } |
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251 needDrawing = ETrue; |
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252 iCurrentRightSoftkey = targetRightSoftkey; |
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253 } |
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254 |
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255 // Redraw if necessary |
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256 if( needDrawing ) |
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257 { |
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258 aContainer->DrawNow(); |
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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 // CAknFileSelectionEventHandler::HandleEventL |
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264 // |
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265 // |
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266 // ----------------------------------------------------------------------------- |
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267 // |
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268 MAknCommonDialogsEventObserver::TAction CAknFileSelectionEventHandler::HandleEventL( |
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269 TEvent aEvent, |
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270 TInt& aFocusedItemIndex, |
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271 TInt& aTopItemIndex, |
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272 CEikButtonGroupContainer* aContainer ) |
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273 { |
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274 |
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275 // Default action is did nothing |
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276 TAction returnType( EDidNothing ); |
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277 // Cache entry count |
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278 TInt entries( iModel->MdcaCount() ); |
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279 |
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280 //TEntry entry; |
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281 |
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282 if( entries > 0 ) |
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283 { |
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284 iEntry = iModel->Entry( aFocusedItemIndex ); |
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285 } |
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286 |
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287 switch( aEvent ) |
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288 { |
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289 case ERightSoftkeyPress: // USER HAS HIT RIGHT SOFTKEY |
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290 { |
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291 if( iModel->DirectoryLevel() > 0 ) // We are not in the root folder |
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292 { |
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293 while( ETrue ) // Find until existing contents |
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294 { |
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295 entries = iModel->GotoParentFolderL(); |
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296 PopIndices( aTopItemIndex, aFocusedItemIndex ); |
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297 if( entries > 0 || entries < KErrNotFound ) |
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298 { |
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299 break; |
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300 } |
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301 } |
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302 if( entries > 0 ) |
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303 { |
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304 if (aFocusedItemIndex >= entries) |
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305 { |
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306 aFocusedItemIndex = entries - 1; |
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307 } |
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308 UpdateSoftkeysL( aFocusedItemIndex, aContainer ); |
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309 returnType = EItemsUpdated; |
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310 } |
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311 } |
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312 else // We are in the root folder |
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313 { |
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314 returnType = ETryingToExit; |
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315 } |
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316 break; |
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317 } |
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318 |
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319 case ELeftSoftkeyPress: // USER HAS HIT LEFT SOFTKEY |
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320 case ESelectionKeyPress: // USER HAS HIT SELECTION KEY |
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321 case EEventClicked: |
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322 { |
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323 if( entries > 0 ) // There are entries in the directory |
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324 { |
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325 if( ( aFocusedItemIndex == 0 ) && ( AknCFDUtility::DirectoriesOnly( iDialogType ) ) ) |
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326 { |
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327 returnType = ETryingToExit; |
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328 break; |
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329 } |
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330 if( iEntry.IsDir() ) |
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331 { |
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332 entries = iModel->GotoSubFolderL( iEntry.iName ); |
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333 if ( ( entries == 0 ) && ( iDialogType == ECFDDialogTypeSelect ) ) |
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334 { |
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335 entries = iModel->GotoParentFolderL(); |
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336 returnType = ELaunchEmptyPopup; |
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337 } |
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338 else if ( entries >= KErrNone ) |
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339 { |
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340 PushIndicesL( aTopItemIndex, aFocusedItemIndex ); |
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341 // In new folder the focus is always on first item |
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342 aTopItemIndex = 0; |
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343 aFocusedItemIndex = 0; |
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344 UpdateSoftkeysL( aFocusedItemIndex, aContainer ); |
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345 returnType = EItemsUpdated; |
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346 } |
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347 } |
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348 else // The selected entry is a file |
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349 { |
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350 returnType = ETryingToExit; |
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351 } |
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352 } |
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353 break; |
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354 } |
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355 |
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356 case EFocusChange: // USER HAS HIT UP OR DOWN |
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357 { |
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358 UpdateSoftkeysL( aFocusedItemIndex, aContainer ); |
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359 break; |
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360 } |
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361 |
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362 default: |
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363 { |
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364 break; |
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365 } |
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366 } |
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367 if( ( returnType == ETryingToExit ) && ( aEvent != ERightSoftkeyPress ) ) |
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368 { |
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369 if( iObserver ) |
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370 { |
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371 //TPath path; |
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372 HBufC * bufPath = HBufC::NewLC(KMaxPath); |
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373 TPtr path = bufPath->Des(); |
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374 |
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375 iModel->GetCurrentPath( path ); |
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376 if( !iObserver->OkToExitL( path, iEntry ) ) |
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377 { |
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378 returnType = EDidNothing; |
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379 } |
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380 |
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381 CleanupStack::PopAndDestroy(); |
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382 } |
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383 } |
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384 return returnType; |
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385 } |
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386 |
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387 // End of File |