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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 |
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19 // INCLUDE FILES |
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20 #include <ganes/HgScroller.h> |
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21 |
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22 #include <aknphysics.h> |
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23 |
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24 #include <ganes/HgScrollBufferObserverIface.h> |
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25 #include <ganes/HgSelectionObserverIface.h> |
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26 #include <ganes/HgMarkingObserverIface.h> |
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27 #include <ganes/HgItem.h> |
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28 #include "HgScrollbar.h" |
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29 #include "HgScrollBufferManager.h" |
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30 #include "HgConstants.h" |
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31 #include "HgPopupDrawer.h" |
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32 #include "HgMarquee.h" |
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33 #include "HgDrawUtils.h" |
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34 #include "HgIndicatorManager.h" |
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35 #include "HgTextFind.h" |
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36 #include "HgKeyUtils.h" |
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37 |
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38 #include <ganes.mbg> |
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39 |
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40 #include <AknIconUtils.h> |
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41 #include <avkon.mbg> |
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42 #include <AknsDrawUtils.h> |
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43 #include <touchfeedback.h> |
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44 #include <gulicon.h> |
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45 #include <AknUtils.h> |
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46 #include <layoutmetadata.cdl.h> |
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47 #include <AknLayout2ScalableDef.h> |
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48 #include <aknitemactionmenu.h> |
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49 #include <aknappui.h> |
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50 |
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51 #include <featdiscovery.h> |
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52 |
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53 // ============================ MEMBER FUNCTIONS =============================== |
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54 |
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55 // ----------------------------------------------------------------------------- |
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56 // CHgScroller::ConstructL() |
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57 // Symbian 2nd phase constructor can leave. |
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58 // ----------------------------------------------------------------------------- |
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59 // |
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60 void CHgScroller::ConstructL (const TRect& aRect, RWsSession* aSession ) |
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61 { |
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62 // Create a window for this application view |
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63 CreateWindowL ( ); |
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64 EnableDragEvents(); |
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65 ClaimPointerGrab(); |
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66 |
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67 iUpperCaseTitle.CreateL( KMaxSearchLenght ); |
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68 iPopupText1.CreateL( KMaxPopupTextLength ); |
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69 iPopupText2.CreateL( KMaxPopupTextLength ); |
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70 |
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71 iScrollbar = CHgScrollbar::NewL(*this); |
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72 iPopupDrawer = new (ELeave) THgPopupDrawer(); |
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73 iPhysics = CAknPhysics::NewL(*this, this); |
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74 |
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75 TCallBack callback(CHgScroller::MarqueeCallback, this); |
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76 iDrawUtils = CHgDrawUtils::NewL( callback ); |
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77 |
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78 iIndicatorManager = CHgIndicatorManager::NewL(); |
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79 |
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80 /* |
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81 // Enable key search only in non-touch or hybrid (touch + qwerty) devices |
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82 if( !AknLayoutUtils::PenEnabled() || |
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83 CFeatureDiscovery::IsFeatureSupportedL(TUid::Uid(KFeatureIdQwertyInput)) ) |
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84 { |
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85 iTextFind = CHgTextFind::NewL( *this ); |
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86 iKeyUtils = CHgKeyUtils::NewL(*this); |
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87 } |
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88 */ |
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89 |
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90 // Init Stuff |
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91 if( aSession ) |
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92 { |
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93 InitScreenL( aRect, *aSession ); |
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94 } |
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95 else |
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96 { |
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97 InitScreenL( aRect ); |
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98 } |
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99 |
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100 iHighlightTimer = CPeriodic::NewL( CActive::EPriorityStandard ); |
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101 iKeyScrollingTimer = CPeriodic::NewL( CActive::EPriorityStandard ); |
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102 |
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103 CAknAppUi* appUi = static_cast<CAknAppUi*>(iEikonEnv->AppUi()); |
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104 if( appUi && appUi->IsSingleClickCompatible() ) |
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105 { |
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106 iDetector = CAknLongTapDetector::NewL(this); |
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107 iActionMenu = CAknItemActionMenu::RegisterCollectionL( *this ); |
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108 } |
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109 |
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110 iDrawUtils->EnableMarquee(HasHighlight()); |
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111 |
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112 InitItemsL(); |
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113 |
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114 iCoeEnv->AddForegroundObserverL( *this ); |
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115 } |
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116 |
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117 // ----------------------------------------------------------------------------- |
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118 // CHgScroller::InputCapabilities() |
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119 // ----------------------------------------------------------------------------- |
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120 // |
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121 TCoeInputCapabilities CHgScroller::InputCapabilities() const |
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122 { |
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123 TCoeInputCapabilities cap( TCoeInputCapabilities::ENone ); |
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124 |
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125 if(iTextFind) |
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126 { |
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127 MCoeFepAwareTextEditor* editor = NULL; |
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128 |
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129 if( iSelectionMode == ENoSelection |
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130 && iFlags & EHgScrollerSearchWithQWERTY ) |
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131 editor = iTextFind; |
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132 |
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133 cap = TCoeInputCapabilities( TCoeInputCapabilities::EAllText, |
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134 editor, |
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135 NULL ); |
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136 |
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137 cap.SetObjectProvider( const_cast<CHgScroller*>(this) ); |
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138 } |
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139 |
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140 return cap; |
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141 } |
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142 |
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143 // ----------------------------------------------------------------------------- |
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144 // CHgScroller::InitScreenL() |
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145 // ----------------------------------------------------------------------------- |
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146 // |
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147 EXPORT_C void CHgScroller::InitScreenL( const TRect& /*aRect*/, RWsSession& /*aSession*/ ) |
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148 { |
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149 // DSA not supported anymore. |
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150 User::Leave( KErrNotSupported ); |
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151 } |
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152 |
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153 // ----------------------------------------------------------------------------- |
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154 // CHgScroller::InitScreenL() |
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155 // ----------------------------------------------------------------------------- |
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156 // |
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157 EXPORT_C void CHgScroller::InitScreenL( const TRect& aRect ) |
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158 { |
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159 // Set the windows size |
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160 SetRect ( aRect ); |
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161 } |
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162 |
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163 // ----------------------------------------------------------------------------- |
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164 // CHgScroller::RefreshScreen() |
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165 // ----------------------------------------------------------------------------- |
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166 // |
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167 EXPORT_C void CHgScroller::RefreshScreen( TInt aIndex ) |
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168 { |
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169 if( IsDisplayed( aIndex ) ) |
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170 DrawDeferred(); |
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171 } |
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172 |
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173 // ----------------------------------------------------------------------------- |
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174 // CHgScroller::FirstIndexOnScreen() |
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175 // ----------------------------------------------------------------------------- |
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176 // |
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177 EXPORT_C TInt CHgScroller::FirstIndexOnScreen() |
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178 { |
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179 return CurrentIndex(); |
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180 } |
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181 |
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182 // ----------------------------------------------------------------------------- |
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183 // CHgScroller::SetFirstIndexOnScreen() |
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184 // ----------------------------------------------------------------------------- |
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185 // |
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186 EXPORT_C void CHgScroller::SetFirstIndexOnScreen( TInt aFirstIndexOnScreen ) |
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187 { |
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188 FitTopItemToView( aFirstIndexOnScreen ); |
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189 } |
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190 |
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191 // ----------------------------------------------------------------------------- |
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192 // CHgScroller::ItemsOnScreen() |
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193 // ----------------------------------------------------------------------------- |
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194 // |
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195 EXPORT_C TInt CHgScroller::ItemsOnScreen() |
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196 { |
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197 return iItemsOnScreen; |
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198 } |
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199 |
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200 // ----------------------------------------------------------------------------- |
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201 // CHgScroller::SelectedIndex() |
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202 // ----------------------------------------------------------------------------- |
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203 // |
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204 EXPORT_C TInt CHgScroller::SelectedIndex() |
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205 { |
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206 return iSelectedIndex; |
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207 } |
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208 |
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209 // ----------------------------------------------------------------------------- |
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210 // CHgScroller::SetSelectedIndex() |
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211 // ----------------------------------------------------------------------------- |
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212 // |
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213 EXPORT_C void CHgScroller::SetSelectedIndex( TInt aIndex ) |
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214 { |
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215 if( aIndex >= 0 && aIndex < iItems.Count() ) |
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216 { |
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217 if( !IsDisplayed( aIndex ) ) |
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218 { |
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219 iSelectedIndex = iItems.Count() - 1; |
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220 FitSelectionToView(); |
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221 } |
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222 |
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223 iSelectedIndex = aIndex; |
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224 // Move view position so that it is fully visible. |
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225 FitSelectionToView(); |
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226 SelectionChanged(); |
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227 } |
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228 } |
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229 |
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230 // ----------------------------------------------------------------------------- |
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231 // CHgScroller::Mark() |
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232 // ----------------------------------------------------------------------------- |
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233 // |
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234 EXPORT_C void CHgScroller::Mark( TInt aIndex ) |
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235 { |
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236 if( aIndex >= 0 && aIndex < iItems.Count() ) |
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237 { |
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238 if( !(iItems[aIndex]->Flags() & CHgItem::EHgItemFlagMarked) ) |
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239 { |
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240 iItems[aIndex]->SetFlags( CHgItem::EHgItemFlagMarked ); |
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241 if( iMarkingObserver ) |
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242 { |
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243 TRAP_IGNORE( iMarkingObserver->HandleMarkingL( aIndex, ETrue ) ); |
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244 } |
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245 } |
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246 } |
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247 } |
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248 |
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249 // ----------------------------------------------------------------------------- |
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250 // CHgScroller::UnMark() |
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251 // ----------------------------------------------------------------------------- |
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252 // |
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253 EXPORT_C void CHgScroller::UnMark( TInt aIndex ) |
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254 { |
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255 if( aIndex >= 0 && aIndex < iItems.Count() ) |
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256 { |
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257 if( iItems[aIndex]->Flags() & CHgItem::EHgItemFlagMarked ) |
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258 { |
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259 iItems[aIndex]->ClearFlags( CHgItem::EHgItemFlagMarked ); |
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260 if( iMarkingObserver ) |
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261 { |
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262 TRAP_IGNORE( iMarkingObserver->HandleMarkingL( aIndex, EFalse ) ); |
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263 } |
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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 // ----------------------------------------------------------------------------- |
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269 // CHgScroller::MarkAll() |
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270 // ----------------------------------------------------------------------------- |
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271 // |
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272 EXPORT_C void CHgScroller::MarkAll() |
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273 { |
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274 for(TInt i = 0; i < iItems.Count(); ++i) |
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275 { |
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276 iItems[i]->SetFlags( CHgItem::EHgItemFlagMarked ); |
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277 } |
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278 |
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279 DrawDeferred(); |
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280 } |
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281 |
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282 // ----------------------------------------------------------------------------- |
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283 // CHgScroller::UnMarkAll() |
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284 // ----------------------------------------------------------------------------- |
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285 // |
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286 EXPORT_C void CHgScroller::UnMarkAll() |
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287 { |
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288 for(TInt i = 0; i < iItems.Count(); ++i) |
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289 { |
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290 iItems[i]->ClearFlags(CHgItem::EHgItemFlagMarked); |
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291 } |
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292 |
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293 DrawDeferred(); |
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294 } |
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295 |
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296 // ----------------------------------------------------------------------------- |
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297 // CHgScroller::GetMarkedItemsL() |
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298 // ----------------------------------------------------------------------------- |
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299 // |
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300 EXPORT_C void CHgScroller::GetMarkedItemsL( RArray<TInt>& aIndexes ) |
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301 { |
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302 ::CleanupClosePushL(aIndexes); |
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303 for(TInt i = 0; i < iItems.Count(); ++i) |
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304 { |
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305 if(iItems[i]->Flags() & CHgItem::EHgItemFlagMarked ) |
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306 { |
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307 aIndexes.AppendL( i ); |
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308 } |
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309 } |
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310 CleanupStack::Pop(&aIndexes); |
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311 } |
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312 |
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313 // ----------------------------------------------------------------------------- |
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314 // CHgScroller::EnableScrollBufferL() |
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315 // ----------------------------------------------------------------------------- |
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316 // |
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317 EXPORT_C void CHgScroller::EnableScrollBufferL( |
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318 MHgScrollBufferObserver& aObserver, |
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319 TInt aBufferSize, |
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320 TInt aBufferTreshold ) |
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321 { |
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322 delete iManager; iManager = NULL; |
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323 |
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324 iManager = CHgScrollBufferManager::NewL( |
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325 aObserver, |
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326 aBufferSize, |
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327 aBufferTreshold, |
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328 CurrentIndex(), |
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329 iItemCount); |
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330 |
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331 iManager->SetBufferOwner( *this ); |
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332 } |
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333 |
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334 // ----------------------------------------------------------------------------- |
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335 // CHgScroller::EnableNaviStripL() |
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336 // ----------------------------------------------------------------------------- |
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337 // |
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338 EXPORT_C void CHgScroller::SetScrollBarTypeL( THgScrollBarType aType ) |
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339 { |
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340 iScrollBarType = aType; |
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341 DrawDeferred(); |
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342 } |
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343 |
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344 // ----------------------------------------------------------------------------- |
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345 // CHgScroller::SetSelectionObserver() |
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346 // ----------------------------------------------------------------------------- |
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347 // |
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348 EXPORT_C void CHgScroller::SetSelectionObserver( MHgSelectionObserver& aObserver ) |
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349 { |
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350 iSelectionObserver = &aObserver; |
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351 } |
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352 |
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353 // ----------------------------------------------------------------------------- |
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354 // CHgScroller::SetMarkingObserver() |
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355 // ----------------------------------------------------------------------------- |
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356 // |
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357 EXPORT_C void CHgScroller::SetMarkingObserver( MHgMarkingObserver& aObserver ) |
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358 { |
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359 iMarkingObserver = &aObserver; |
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360 } |
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361 |
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362 // ----------------------------------------------------------------------------- |
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363 // CHgScroller::CHgScroller() |
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364 // C++ default constructor can NOT contain any code, that might leave. |
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365 // ----------------------------------------------------------------------------- |
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366 // |
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367 CHgScroller::CHgScroller( |
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368 TInt aItemCount, |
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369 CGulIcon* aDefaultIcon ) |
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370 : iDefaultIcon( aDefaultIcon ), |
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371 iItemCount(aItemCount), |
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372 iCurrentRow(-1), |
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373 iSelectedIndex(KErrNotFound), |
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374 iScrollBarType( EHgScrollerScrollBar ), |
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375 iResetViewPosition(ETrue), |
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376 iOldWinPos(KErrNotFound) |
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377 { |
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378 // No implementation required |
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379 } |
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380 |
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381 // ----------------------------------------------------------------------------- |
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382 // CHgScroller::~CHgScroller() |
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383 // Destructor. |
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384 // ----------------------------------------------------------------------------- |
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385 // |
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386 EXPORT_C CHgScroller::~CHgScroller ( ) |
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387 { |
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388 iCoeEnv->RemoveForegroundObserver( *this ); |
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389 ReleasePopupFont(); |
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390 |
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391 iItems.ResetAndDestroy(); |
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392 |
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393 delete iManager; |
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394 delete iPhysics; |
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395 delete iScrollbar; |
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396 delete iEmptyText; |
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397 delete iDefaultIcon; |
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398 delete iPopupDrawer; |
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399 delete iDrawUtils; |
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400 delete iHighlightTimer; |
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401 delete iIndicatorManager; |
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402 delete iKeyUtils; |
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403 delete iTextFind; |
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404 delete iKeyScrollingTimer; |
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405 delete iDetector; |
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406 |
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407 if(iActionMenu) |
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408 iActionMenu->RemoveCollection(*this); |
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409 |
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410 iUpperCaseTitle.Close(); |
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411 iPopupText1.Close(); |
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412 iPopupText2.Close(); |
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413 |
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414 } |
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415 |
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416 // ----------------------------------------------------------------------------- |
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417 // CHgScroller::InitPhysicsL() |
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418 // ----------------------------------------------------------------------------- |
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419 // |
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420 void CHgScroller::InitPhysicsL() |
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421 { |
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422 // For to be able to pan on a empty area. |
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423 // The world is set to be at least the size of the view. |
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424 TSize worldSize = TotalSize(); |
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425 |
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426 if( !iLandscapeScrolling && (worldSize.iHeight <= iHeight) ) |
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427 { |
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428 worldSize.iHeight = iHeight; |
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429 iResetViewPosition = ETrue; |
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430 } |
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431 |
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432 if( iLandscapeScrolling && (worldSize.iWidth <= iWidth) ) |
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433 { |
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434 worldSize.iWidth = iWidth; |
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435 iResetViewPosition = ETrue; |
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436 } |
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437 |
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438 iPhysics->InitPhysicsL( worldSize, |
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439 TSize(iWidth, iHeight), |
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440 iLandscapeScrolling); |
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441 } |
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442 |
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443 // ----------------------------------------------------------------------------- |
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444 // CHgScroller::Draw() |
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445 // Draws the display. |
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446 // ----------------------------------------------------------------------------- |
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447 // |
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448 void CHgScroller::Draw ( const TRect& aRect ) const |
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449 { |
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450 CWindowGc& gc = SystemGc(); |
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451 |
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452 // Flush screen buffer |
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453 InitDrawBuffer(); |
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454 |
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455 DoDraw( aRect ); |
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456 |
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457 if( iScrollbar && iItemCount ) |
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458 { |
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459 iScrollbar->Draw( gc ); |
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460 } |
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461 |
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462 if( iPopupDrawer ) |
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463 { |
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464 if(iPopupText2.Length() > 0) |
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465 { |
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466 iPopupDrawer->Draw( gc, |
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467 iPopupText1, |
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468 iPopupText2 |
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469 ); |
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470 } |
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471 else if( iPopupText1.Length( ) > 0 ) |
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472 { |
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473 if( iScrollBarType == EHgScrollerLetterStrip |
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474 || iScrollBarType == EHgScrollerLetterStripLite ) |
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475 { |
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476 iPopupDrawer->DrawNaviChar( gc, iPopupText1 ); |
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477 } |
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478 else |
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479 { |
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480 iPopupDrawer->Draw( gc, iPopupText1 ); |
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481 } |
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482 } |
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483 else if( iTextFind && iTextFind->Text().Length() > 0 ) |
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484 { |
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485 iPopupDrawer->Draw( gc, iTextFind->Text() ); |
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486 } |
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487 } |
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488 } |
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489 |
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490 // ----------------------------------------------------------------------------- |
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491 // CHgScroller::InitDrawBuffer() |
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492 // ----------------------------------------------------------------------------- |
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493 // |
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494 void CHgScroller::InitDrawBuffer() const |
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495 { |
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496 MAknsSkinInstance* skin = AknsUtils::SkinInstance(); |
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497 MAknsControlContext* cc = AknsDrawUtils::ControlContext( this ); |
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498 AknsDrawUtils::DrawBackground( skin, cc, this, SystemGc(), |
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499 TPoint(0,0), Rect(), KAknsDrawParamDefault ); |
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500 } |
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501 |
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502 // ----------------------------------------------------------------------------- |
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503 // CHgScroller::SizeChanged() |
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504 // Called by framework when the view size is changed. |
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505 // ----------------------------------------------------------------------------- |
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506 // |
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507 void CHgScroller::SizeChanged ( ) |
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508 { |
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509 iWidth = Rect().Width(); |
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510 iHeight = Rect().Height(); |
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511 |
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512 HandleItemCountChanged(); |
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513 |
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514 if( iPopupDrawer ) |
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515 { |
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516 ReleasePopupFont(); |
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517 |
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518 TFontSpec fontSpecTitle = AknLayoutUtils::FontFromId(EAknLogicalFontPrimaryFont)->FontSpecInTwips(); |
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519 fontSpecTitle.iHeight = KFocusTextFontSize; // set height |
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520 iCoeEnv->ScreenDevice()->GetNearestFontInTwips(iPopupFont, fontSpecTitle); |
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521 |
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522 iPopupDrawer->Init( Rect(), iPopupFont ); |
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523 } |
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524 |
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525 if(iResetViewPosition) |
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526 { |
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527 iViewPosition = TPoint(iWidth/2, iHeight/2); |
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528 iResetViewPosition = EFalse; |
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529 } |
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530 |
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531 HandleViewPositionChanged(); |
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532 |
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533 TRAP_IGNORE( InitGraphicsL(); ) |
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534 DrawDeferred ( ); |
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535 } |
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536 |
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537 // ----------------------------------------------------------------------------- |
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538 // CHgScroller::HandleItemCountChaged() |
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539 // ----------------------------------------------------------------------------- |
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540 // |
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541 void CHgScroller::HandleItemCountChanged() |
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542 { |
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543 HandleSizeChanged(); |
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544 |
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545 if( iSelectedIndex >= iItemCount ) |
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546 { |
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547 iSelectedIndex = iItemCount - 1; |
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548 SelectionChanged(); |
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549 } |
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550 |
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551 TRAP_IGNORE ( |
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552 InitScrollbarL(); |
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553 InitPhysicsL(); |
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554 ) |
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555 } |
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556 |
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557 // ----------------------------------------------------------------------------- |
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558 // CHgScroller::InitScrollbarL() |
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559 // ----------------------------------------------------------------------------- |
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560 // |
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561 void CHgScroller::InitScrollbarL() |
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562 { |
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563 if( iScrollbar ) |
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564 { |
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565 TBool prevStatic = iScrollbar->IsStatic(); |
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566 iScrollbar->InitScrollBarL( Rect(), |
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567 TotalSize(), |
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568 TSize(iWidth, iHeight), |
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569 iLandscapeScrolling); |
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570 |
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571 iScrollbar->SetViewPosition( iViewPosition - TPoint(iWidth/2, iHeight/2)); |
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572 |
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573 if(prevStatic != iScrollbar->IsStatic()) |
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574 HandleScrollbarVisibilityChange( !iScrollbar->IsStatic() ); |
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575 } |
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576 } |
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577 // ----------------------------------------------------------------------------- |
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578 // CHgScroller::HandlePointerEventL() |
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579 // ----------------------------------------------------------------------------- |
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580 // |
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581 void CHgScroller::HandlePointerEventL( const TPointerEvent& aEvent ) |
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582 { |
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583 if( !HandleScrollbarEventL( aEvent ) && iItemCount ) |
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584 { |
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585 iShowHighlight = EFalse; |
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586 |
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587 // Start drag |
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588 if( aEvent.iType == TPointerEvent::EButton1Down ) |
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589 { |
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590 iPointerDown = ETrue; |
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591 HandleDownEventL( aEvent ); |
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592 |
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593 if( iDetector |
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594 && iSelectedIndex != KErrNotFound |
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595 && !HasHighlight() |
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596 && !(iFlags & EHgScrollerSelectionMode) |
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597 && iActionMenu->InitMenuL() ) |
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598 { |
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599 iDetector->PointerEventL( aEvent ); |
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600 } |
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601 } |
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602 // Drag |
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603 else if( aEvent.iType == TPointerEvent::EDrag && iPointerDown ) |
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604 { |
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605 HandleDragEventL( aEvent ); |
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606 |
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607 if( iPanning && iDetector && !HasHighlight() ) |
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608 iDetector->CancelAnimationL(); |
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609 } |
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610 // End drag |
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611 else if( aEvent.iType == TPointerEvent::EButton1Up && iPointerDown ) |
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612 { |
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613 if( iDetector && !HasHighlight() ) |
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614 iDetector->PointerEventL( aEvent ); |
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615 |
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616 HandleUpEventL( aEvent ); |
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617 } |
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618 } |
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619 } |
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620 |
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621 // ----------------------------------------------------------------------------- |
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622 // CHgScroller::HandleScrollbarEventL() |
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623 // ----------------------------------------------------------------------------- |
|
624 // |
|
625 TBool CHgScroller::HandleScrollbarEventL( const TPointerEvent& aEvent ) |
|
626 { |
|
627 TBool sbHandles = EFalse; |
|
628 if( iScrollbar ) |
|
629 { |
|
630 sbHandles = iScrollbar->HandlePointerEventL( aEvent ); |
|
631 |
|
632 if( sbHandles |
|
633 && iPhysics |
|
634 && iPhysics->OngoingPhysicsAction() == CAknPhysics::EAknPhysicsActionFlicking ) |
|
635 { |
|
636 iPhysics->StopPhysics(); |
|
637 iScrollbar->Reset(); |
|
638 MTouchFeedback* feedback = MTouchFeedback::Instance(); |
|
639 if ( feedback ) |
|
640 { |
|
641 feedback->InstantFeedback( this, ETouchFeedbackList, aEvent ); |
|
642 } |
|
643 return sbHandles; |
|
644 } |
|
645 |
|
646 if ( sbHandles && !iScrollbar->IsStatic() ) |
|
647 { |
|
648 MTouchFeedback* feedback = MTouchFeedback::Instance(); |
|
649 // Start drag |
|
650 if( aEvent.iType == TPointerEvent::EButton1Down ) |
|
651 { |
|
652 if ( feedback ) |
|
653 { |
|
654 feedback->InstantFeedback( this, ETouchFeedbackSlider, aEvent ); |
|
655 } |
|
656 } |
|
657 else if( aEvent.iType == TPointerEvent::EButton1Up ) |
|
658 { |
|
659 // Stop the continuous tactile feedback that may be playing |
|
660 // at the time due to possible previous thumb dragging. |
|
661 if ( feedback ) |
|
662 { |
|
663 feedback->StopFeedback( this ); |
|
664 TTouchFeedbackType type = ETouchFeedbackVibra; |
|
665 feedback->InstantFeedback( this, ETouchFeedbackSlider, type, aEvent ); |
|
666 } |
|
667 iPopupText1.Zero(); |
|
668 iPopupText2.Zero(); |
|
669 DrawDeferred(); |
|
670 } |
|
671 } |
|
672 } |
|
673 return sbHandles; |
|
674 } |
|
675 |
|
676 // ----------------------------------------------------------------------------- |
|
677 // CHgScroller::HandleDownEventL() |
|
678 // ----------------------------------------------------------------------------- |
|
679 // |
|
680 void CHgScroller::HandleDownEventL( const TPointerEvent& aEvent ) |
|
681 { |
|
682 if( !HasHighlight() |
|
683 && (iPhysics->OngoingPhysicsAction() == CAknPhysics::EAknPhysicsActionFlicking) ) |
|
684 { |
|
685 iPanning = ETrue; |
|
686 if(iDetector) |
|
687 iDetector->CancelAnimationL(); |
|
688 } |
|
689 else |
|
690 { |
|
691 iPanning = EFalse; |
|
692 } |
|
693 |
|
694 iPhysics->StopPhysics(); |
|
695 iPhysics->ResetFriction(); |
|
696 |
|
697 iStart = aEvent.iPosition; |
|
698 iPrev = iStart; |
|
699 iStartTime.HomeTime(); |
|
700 |
|
701 if(iLandscapeScrolling) |
|
702 iViewPosition.iY = iHeight / 2; |
|
703 else |
|
704 iViewPosition.iX = iWidth / 2; |
|
705 |
|
706 iFocusedIndex = KErrNotFound; |
|
707 iSelectionToFocusedItem = EFalse; |
|
708 iDrawUtils->EnableMarquee(HasHighlight()); |
|
709 if(HasHighlight()) |
|
710 { |
|
711 LaunchHighlightTimer(); |
|
712 } |
|
713 else if( !iPanning ) |
|
714 { |
|
715 // to get Handle Selected to be called for sure in single touch |
|
716 iSelectedIndex = KErrNotFound; |
|
717 SetHighlightL(); |
|
718 } |
|
719 MTouchFeedback* feedback = MTouchFeedback::Instance(); |
|
720 if ( feedback && iSelectedIndex != KErrNotFound ) |
|
721 { |
|
722 feedback->InstantFeedback( this, ETouchFeedbackList, aEvent ); |
|
723 } |
|
724 } |
|
725 |
|
726 // ----------------------------------------------------------------------------- |
|
727 // CHgScroller::HandleDragEventL() |
|
728 // ----------------------------------------------------------------------------- |
|
729 // |
|
730 void CHgScroller::HandleDragEventL( const TPointerEvent& aEvent ) |
|
731 { |
|
732 TBool prevPanning = iPanning; |
|
733 if(!iPanning) |
|
734 { |
|
735 TInt delta = 0; |
|
736 if(iLandscapeScrolling) |
|
737 { |
|
738 delta = iPrev.iX - aEvent.iPosition.iX; |
|
739 } |
|
740 else |
|
741 { |
|
742 delta = iPrev.iY - aEvent.iPosition.iY; |
|
743 } |
|
744 |
|
745 delta = delta < 0 ? -delta : delta; |
|
746 iPanning = delta >= iPhysics->DragThreshold(); |
|
747 } |
|
748 |
|
749 //if user has dragged onto another item |
|
750 if( !iPanning && GetSelected(iStart) != GetSelected(aEvent.iPosition) ) |
|
751 { |
|
752 // after setting iPanning true, longtap is cancelled |
|
753 iPanning = ETrue; |
|
754 } |
|
755 |
|
756 if( prevPanning != iPanning ) |
|
757 { |
|
758 iPrev = aEvent.iPosition; |
|
759 DrawDeferred(); // to clear highlight |
|
760 } |
|
761 |
|
762 if(iPanning) |
|
763 { |
|
764 TPoint delta = iPrev - aEvent.iPosition; |
|
765 if(iLandscapeScrolling && AknLayoutUtils::LayoutMirrored()) |
|
766 delta = -delta; |
|
767 iPhysics->RegisterPanningPosition( delta ); |
|
768 iPrev = aEvent.iPosition; |
|
769 iHighlightTimer->Cancel(); |
|
770 } |
|
771 } |
|
772 |
|
773 // ----------------------------------------------------------------------------- |
|
774 // CHgScroller::HandleUpEventL() |
|
775 // ----------------------------------------------------------------------------- |
|
776 // |
|
777 void CHgScroller::HandleUpEventL( const TPointerEvent& aEvent ) |
|
778 { |
|
779 if( iPanning ) |
|
780 { |
|
781 // enable physics |
|
782 TPoint drag = iStart - aEvent.iPosition; |
|
783 if(iLandscapeScrolling && AknLayoutUtils::LayoutMirrored()) |
|
784 drag = -drag; |
|
785 iPhysics->StartPhysics(drag, iStartTime); |
|
786 iPointerDown = EFalse; |
|
787 } |
|
788 else |
|
789 { |
|
790 MTouchFeedback* feedback = MTouchFeedback::Instance(); |
|
791 if ( feedback && iSelectedIndex != KErrNotFound ) |
|
792 { |
|
793 feedback->InstantFeedback( this, ETouchFeedbackList, ETouchFeedbackVibra, aEvent ); |
|
794 } |
|
795 |
|
796 HandleSelectionL(); |
|
797 } |
|
798 } |
|
799 |
|
800 // ----------------------------------------------------------------------------- |
|
801 // CHgScroller::HandleSelectionL() |
|
802 // ----------------------------------------------------------------------------- |
|
803 // |
|
804 void CHgScroller::HandleSelectionL() |
|
805 { |
|
806 TInt index = GetSelected(iStart); |
|
807 if(index != KErrNotFound) |
|
808 { |
|
809 if( iFocusedIndex == KErrNotFound ) |
|
810 { |
|
811 // Highlight timer hasn't triggered so lets set the highlight. |
|
812 // this is not usually the case since interval is 50ms but just to be sure. |
|
813 SetHighlightL(); |
|
814 } |
|
815 |
|
816 iPointerDown = EFalse; |
|
817 |
|
818 // selection needs to be valid. |
|
819 if( iSelectedIndex >= 0 && iSelectedIndex < iItems.Count() ) |
|
820 { |
|
821 if( iFlags & EHgScrollerSelectionMode || iSelectionMode != ENoSelection ) |
|
822 // Marking mode or shift key pressed ( or hash ) |
|
823 { |
|
824 if( iItems[iSelectedIndex]->Flags() & CHgItem::EHgItemFlagMarked ) |
|
825 { |
|
826 UnMark( iSelectedIndex ); |
|
827 } |
|
828 else |
|
829 { |
|
830 Mark( iSelectedIndex ); |
|
831 } |
|
832 DrawDeferred(); |
|
833 } |
|
834 else // Selection |
|
835 { |
|
836 if( iSelectionToFocusedItem || !HasHighlight() ) |
|
837 { |
|
838 if(iSelectionObserver) |
|
839 iSelectionObserver->HandleOpenL(iSelectedIndex); |
|
840 } |
|
841 } |
|
842 } |
|
843 } |
|
844 else |
|
845 { |
|
846 iPointerDown = EFalse; |
|
847 } |
|
848 } |
|
849 |
|
850 // ----------------------------------------------------------------------------- |
|
851 // CHgScroller::OfferKeyEventL() |
|
852 // ----------------------------------------------------------------------------- |
|
853 // |
|
854 TKeyResponse CHgScroller::OfferKeyEventL( const TKeyEvent& aKeyEvent, TEventCode aType ) |
|
855 { |
|
856 if( iKeyUtils |
|
857 && !(iFlags & EHgScrollerKeyMarkingDisabled) |
|
858 && iKeyUtils->OfferKeyEventL( aKeyEvent, aType ) == EKeyWasConsumed ) |
|
859 return EKeyWasConsumed; |
|
860 |
|
861 switch( aType ) |
|
862 { |
|
863 case EEventKeyDown: |
|
864 KeyEventDown(); |
|
865 break; |
|
866 case EEventKey: |
|
867 return HandleKeyEvent( aKeyEvent ); |
|
868 case EEventKeyUp: |
|
869 KeyEventUp(); |
|
870 default: |
|
871 break; |
|
872 } |
|
873 |
|
874 // Let CCoeControl handle other cases. |
|
875 return CCoeControl::OfferKeyEventL( aKeyEvent, aType ); |
|
876 } |
|
877 |
|
878 // ----------------------------------------------------------------------------- |
|
879 // CHgScroller::KeyEventDown() |
|
880 // ----------------------------------------------------------------------------- |
|
881 // |
|
882 void CHgScroller::KeyEventDown() |
|
883 { |
|
884 iKeyRepeats = 0; |
|
885 iKeyScrollingState = ENoKeyScrolling; |
|
886 |
|
887 iPointerDown = EFalse; |
|
888 iPanning = EFalse; |
|
889 } |
|
890 |
|
891 // ----------------------------------------------------------------------------- |
|
892 // CHgScroller::KeyEventUp() |
|
893 // ----------------------------------------------------------------------------- |
|
894 // |
|
895 void CHgScroller::KeyEventUp() |
|
896 { |
|
897 if( iKeyScrollingState != ENoKeyScrolling ) |
|
898 { |
|
899 // Key has been released so stop the key scrolling. |
|
900 StopKeyScrolling(); |
|
901 } |
|
902 } |
|
903 |
|
904 // ----------------------------------------------------------------------------- |
|
905 // CHgScroller::SetItem() |
|
906 // ----------------------------------------------------------------------------- |
|
907 // |
|
908 EXPORT_C void CHgScroller::SetItem(CHgItem* aItem, TInt aIndex) |
|
909 { |
|
910 if( aItem && aIndex >= 0 && aIndex < iItems.Count() ) |
|
911 { |
|
912 delete iItems[aIndex]; |
|
913 iItems[aIndex] = aItem; |
|
914 } |
|
915 } |
|
916 |
|
917 // ----------------------------------------------------------------------------- |
|
918 // CHgScroller::AddItem() |
|
919 // ----------------------------------------------------------------------------- |
|
920 // |
|
921 EXPORT_C void CHgScroller::AddItem(CHgItem* aItem) |
|
922 { |
|
923 if( aItem ) |
|
924 { |
|
925 iItems.Append(aItem); |
|
926 iItemCount++; |
|
927 HandleItemCountChanged(); |
|
928 if( iManager ) |
|
929 { |
|
930 iManager->ItemCountChanged( iItemCount-1, EFalse, iItemCount ); |
|
931 } |
|
932 } |
|
933 } |
|
934 |
|
935 // ----------------------------------------------------------------------------- |
|
936 // CHgScroller::InsertItem() |
|
937 // ----------------------------------------------------------------------------- |
|
938 // |
|
939 EXPORT_C void CHgScroller::InsertItem(CHgItem* aItem, TInt aIndex) |
|
940 { |
|
941 if( aItem && aIndex >= 0 ) |
|
942 { |
|
943 if(aIndex < iItems.Count()) |
|
944 { |
|
945 iItems.Insert(aItem, aIndex); |
|
946 } |
|
947 else |
|
948 { |
|
949 iItems.Append(aItem); |
|
950 } |
|
951 iItemCount++; |
|
952 HandleItemCountChanged(); |
|
953 |
|
954 if( iManager ) |
|
955 { |
|
956 iManager->ItemCountChanged( aIndex, EFalse, iItemCount ); |
|
957 } |
|
958 } |
|
959 } |
|
960 |
|
961 // ----------------------------------------------------------------------------- |
|
962 // CHgScroller::RemoveItem() |
|
963 // ----------------------------------------------------------------------------- |
|
964 // |
|
965 EXPORT_C void CHgScroller::RemoveItem(TInt aIndex) |
|
966 { |
|
967 if( aIndex >= 0 && aIndex < iItems.Count() ) |
|
968 { |
|
969 delete iItems[aIndex]; iItems[aIndex] = NULL; |
|
970 iItems.Remove(aIndex); |
|
971 iItemCount--; |
|
972 HandleItemCountChanged(); |
|
973 |
|
974 if( iManager ) |
|
975 { |
|
976 iManager->ItemCountChanged( aIndex, ETrue, iItemCount ); |
|
977 } |
|
978 } |
|
979 } |
|
980 |
|
981 // ----------------------------------------------------------------------------- |
|
982 // CHgScroller::ResizeL() |
|
983 // ----------------------------------------------------------------------------- |
|
984 // |
|
985 EXPORT_C void CHgScroller::ResizeL( TInt aItemCount ) |
|
986 { |
|
987 // Add More |
|
988 if( iItems.Count() < aItemCount ) |
|
989 { |
|
990 while( iItems.Count() < aItemCount ) |
|
991 { |
|
992 iItems.AppendL( CHgItem::NewL() ); |
|
993 } |
|
994 } |
|
995 // remove from the end |
|
996 else if( iItems.Count() > aItemCount ) |
|
997 { |
|
998 while( iItems.Count() > aItemCount ) |
|
999 { |
|
1000 delete iItems[iItems.Count() - 1]; |
|
1001 iItems.Remove( iItems.Count() - 1 ); |
|
1002 } |
|
1003 } |
|
1004 else |
|
1005 { |
|
1006 return; // no change needed |
|
1007 } |
|
1008 |
|
1009 iItemCount = aItemCount; |
|
1010 |
|
1011 if( iManager ) |
|
1012 { |
|
1013 iManager->ResetBuffer( iSelectedIndex, iItemCount ); |
|
1014 } |
|
1015 |
|
1016 HandleItemCountChanged(); |
|
1017 } |
|
1018 |
|
1019 // ----------------------------------------------------------------------------- |
|
1020 // CHgScroller::ItemL() |
|
1021 // ----------------------------------------------------------------------------- |
|
1022 // |
|
1023 EXPORT_C CHgItem& CHgScroller::ItemL(TInt aIndex) |
|
1024 { |
|
1025 if( aIndex < 0 || aIndex >= iItems.Count() ) |
|
1026 { |
|
1027 User::Leave( KErrArgument ); |
|
1028 } |
|
1029 |
|
1030 return *iItems[aIndex]; |
|
1031 } |
|
1032 |
|
1033 // ----------------------------------------------------------------------------- |
|
1034 // CHgScroller::ViewPositionChanged() |
|
1035 // ----------------------------------------------------------------------------- |
|
1036 // |
|
1037 void CHgScroller::ViewPositionChanged( const TPoint& aNewPosition, |
|
1038 TBool aDrawNow, |
|
1039 TUint /*aFlags*/ ) |
|
1040 { |
|
1041 iViewPosition = aNewPosition; |
|
1042 HandleViewPositionChanged(); |
|
1043 if( aDrawNow ) |
|
1044 DrawNow(); |
|
1045 } |
|
1046 |
|
1047 // ----------------------------------------------------------------------------- |
|
1048 // CHgScroller::ScrollBarPositionChanged() |
|
1049 // ----------------------------------------------------------------------------- |
|
1050 // |
|
1051 void CHgScroller::ScrollBarPositionChanged( const TPoint& aNewPosition ) |
|
1052 { |
|
1053 if( iPhysics->OngoingPhysicsAction() == CAknPhysics::EAknPhysicsActionFlicking ) |
|
1054 return; |
|
1055 |
|
1056 iViewPosition = aNewPosition; |
|
1057 iPhysics->StopPhysics(); |
|
1058 |
|
1059 if( iScrollBarType == EHgScrollerTimeStrip ) |
|
1060 { |
|
1061 // Show first item's time. |
|
1062 TInt selectedItem = CurrentIndex(); |
|
1063 if( selectedItem >= 0 && selectedItem < iItems.Count() |
|
1064 && iItems[selectedItem]->Time().Int64() ) |
|
1065 { |
|
1066 TRAP_IGNORE( |
|
1067 iItems[selectedItem]->Time().FormatL( iPopupText1, KGanesMonthString ); |
|
1068 iItems[selectedItem]->Time().FormatL( iPopupText2, KGanesYearString ); |
|
1069 ) |
|
1070 // To display month and year correctly in arabic. |
|
1071 AknTextUtils::LanguageSpecificNumberConversion( iPopupText1 ); |
|
1072 AknTextUtils::LanguageSpecificNumberConversion( iPopupText2 ); |
|
1073 } |
|
1074 } |
|
1075 else if( iScrollBarType == EHgScrollerLetterStrip |
|
1076 || iScrollBarType == EHgScrollerLetterStripLite ) |
|
1077 { |
|
1078 TInt selectedItem = CurrentIndex(); |
|
1079 if( selectedItem >= 0 && selectedItem < iItems.Count() ) |
|
1080 { |
|
1081 if(iItems[selectedItem]->Title().Length()) |
|
1082 { |
|
1083 iPopupText1.Zero(); |
|
1084 iPopupText1.Append( iItems[selectedItem]->Title()[0] ); |
|
1085 iPopupText1.UpperCase(); |
|
1086 } |
|
1087 } |
|
1088 } |
|
1089 HandleViewPositionChanged( EFalse ); |
|
1090 DrawNow(); |
|
1091 } |
|
1092 |
|
1093 // ----------------------------------------------------------------------------- |
|
1094 // CHgScroller::HandleNaviStripChar() |
|
1095 // ----------------------------------------------------------------------------- |
|
1096 // |
|
1097 void CHgScroller::HandleNaviStripChar( const TChar& /*aChar*/ ) |
|
1098 { |
|
1099 // Feature not used anymore |
|
1100 } |
|
1101 |
|
1102 // ----------------------------------------------------------------------------- |
|
1103 // CHgScroller::PhysicEmulationEnded() |
|
1104 // ----------------------------------------------------------------------------- |
|
1105 // |
|
1106 void CHgScroller::PhysicEmulationEnded() |
|
1107 { |
|
1108 // Nothing to do. |
|
1109 } |
|
1110 |
|
1111 // ----------------------------------------------------------------------------- |
|
1112 // CHgScroller::HandleViewPositionChanged() |
|
1113 // ----------------------------------------------------------------------------- |
|
1114 // |
|
1115 void CHgScroller::HandleViewPositionChanged(TBool aUpdateScrollbar) |
|
1116 { |
|
1117 TInt newRow = iLandscapeScrolling ? |
|
1118 (iViewPosition.iX-(iWidth/2))/((iRowHeight)): |
|
1119 (iViewPosition.iY-(iHeight/2))/(iRowHeight); |
|
1120 |
|
1121 if(iScrollbar && aUpdateScrollbar) |
|
1122 iScrollbar->SetViewPosition( iViewPosition - TPoint(iWidth/2, iHeight/2)); |
|
1123 |
|
1124 if(newRow != iCurrentRow) |
|
1125 { |
|
1126 iCurrentRow = newRow; |
|
1127 |
|
1128 TBool needsFeedback = |
|
1129 ( CurrentIndex() > 0 && CurrentIndex() <= iItems.Count() ) |
|
1130 || ( iItems.Count() - CurrentIndex() > ItemsOnScreen() ); |
|
1131 |
|
1132 TInt action = iPhysics->OngoingPhysicsAction(); |
|
1133 if( action != CAknPhysics::EAknPhysicsActionNone && needsFeedback ) |
|
1134 { |
|
1135 MTouchFeedback* feedback = MTouchFeedback::Instance(); |
|
1136 if(feedback) |
|
1137 feedback->InstantFeedback( this, ETouchFeedbackSensitiveList, |
|
1138 ETouchFeedbackVibra, TPointerEvent() ); |
|
1139 } |
|
1140 |
|
1141 if(iManager) |
|
1142 { |
|
1143 iManager->SetPosition( CurrentIndex() ); |
|
1144 } |
|
1145 } |
|
1146 } |
|
1147 |
|
1148 // ----------------------------------------------------------------------------- |
|
1149 // CHgScroller::HandleViewPositionChanged() |
|
1150 // ----------------------------------------------------------------------------- |
|
1151 // |
|
1152 TPoint CHgScroller::ViewPosition() const |
|
1153 { |
|
1154 return iViewPosition; |
|
1155 } |
|
1156 |
|
1157 // ----------------------------------------------------------------------------- |
|
1158 // CHgScroller::HandleKeyEvent() |
|
1159 // ----------------------------------------------------------------------------- |
|
1160 // |
|
1161 TKeyResponse CHgScroller::HandleKeyEvent(const TKeyEvent& aKeyEvent) |
|
1162 { |
|
1163 iKeyRepeats++; |
|
1164 TInt prevSelected = iSelectedIndex; |
|
1165 |
|
1166 TKeyScrollingState possibleKeyScrollingState = ENoKeyScrolling; |
|
1167 |
|
1168 switch( aKeyEvent.iCode ) |
|
1169 { |
|
1170 case EKeyUpArrow: |
|
1171 if( !iLandscapeScrolling ) |
|
1172 possibleKeyScrollingState = EKeyScrollingUp; |
|
1173 break; |
|
1174 case EKeyDownArrow: |
|
1175 if( !iLandscapeScrolling ) |
|
1176 possibleKeyScrollingState = EKeyScrollingDown; |
|
1177 break; |
|
1178 case EKeyLeftArrow: |
|
1179 if( iLandscapeScrolling ) |
|
1180 possibleKeyScrollingState = EKeyScrollingLeft; |
|
1181 break; |
|
1182 case EKeyRightArrow: |
|
1183 if( iLandscapeScrolling ) |
|
1184 possibleKeyScrollingState = EKeyScrollingRight; |
|
1185 break; |
|
1186 case EKeyEnter: |
|
1187 case EKeyOK: |
|
1188 { |
|
1189 if( iSelectedIndex != KErrNotFound && HasHighlight() ) |
|
1190 { |
|
1191 iShowHighlight = EFalse; |
|
1192 iDrawUtils->EnableMarquee(HasHighlight()); |
|
1193 if( iSelectionObserver ) |
|
1194 TRAP_IGNORE( iSelectionObserver->HandleOpenL( iSelectedIndex ); ) |
|
1195 return EKeyWasConsumed; |
|
1196 } |
|
1197 else if( iItemCount ) |
|
1198 { |
|
1199 iSelectedIndex = CurrentIndex(); |
|
1200 FitSelectionToView(); |
|
1201 iShowHighlight = ETrue; |
|
1202 iDrawUtils->EnableMarquee(HasHighlight()); |
|
1203 DrawDeferred(); |
|
1204 if( iSelectionObserver ) |
|
1205 TRAP_IGNORE( iSelectionObserver->HandleSelectL( iSelectedIndex ); ) |
|
1206 return EKeyWasConsumed; |
|
1207 } |
|
1208 return EKeyWasNotConsumed; |
|
1209 } |
|
1210 default: |
|
1211 break; |
|
1212 } |
|
1213 |
|
1214 if( possibleKeyScrollingState != ENoKeyScrolling |
|
1215 && iKeyRepeats > KPhysLaunchKeyCount |
|
1216 && iSelectionMode == ENoSelection ) |
|
1217 { |
|
1218 if( !iKeyScrollingTimer->IsActive() ) |
|
1219 { |
|
1220 iKeyScrollingState = possibleKeyScrollingState; |
|
1221 iKeyScrollingTimer->Start( |
|
1222 TTimeIntervalMicroSeconds32( 0 ), |
|
1223 TTimeIntervalMicroSeconds32( KKeyScrollingUpdateInterval ), |
|
1224 TCallBack( KeyScrollingTimerCallback, this ) ); |
|
1225 } |
|
1226 } |
|
1227 |
|
1228 if( !HasHighlight() ) |
|
1229 { |
|
1230 // DoHandleKeyEvent will move focus at the first index on screen. |
|
1231 iSelectedIndex = KErrNotFound; |
|
1232 } |
|
1233 |
|
1234 if( DoHandleKeyEvent(aKeyEvent) ) |
|
1235 { |
|
1236 iShowHighlight = ETrue; |
|
1237 iDrawUtils->EnableMarquee(HasHighlight()); |
|
1238 if( iSelectedIndex != prevSelected && iSelectionObserver ) |
|
1239 { |
|
1240 iDrawUtils->ResetMarquee(); |
|
1241 TRAP_IGNORE( iSelectionObserver->HandleSelectL(iSelectedIndex); ) |
|
1242 } |
|
1243 return EKeyWasConsumed; |
|
1244 } |
|
1245 else |
|
1246 { |
|
1247 iKeyRepeats--; |
|
1248 return EKeyWasNotConsumed; |
|
1249 } |
|
1250 } |
|
1251 |
|
1252 // ----------------------------------------------------------------------------- |
|
1253 // CHgScroller::Release() |
|
1254 // ----------------------------------------------------------------------------- |
|
1255 // |
|
1256 void CHgScroller::Release(TInt aReleaseStart, TInt aReleaseEnd) |
|
1257 { |
|
1258 for(; aReleaseStart <= aReleaseEnd; ++aReleaseStart) |
|
1259 { |
|
1260 if( aReleaseStart >= 0 && aReleaseStart < iItems.Count()) |
|
1261 { |
|
1262 iItems[aReleaseStart]->SetIcon(NULL, iItems[aReleaseStart]->Flags()); |
|
1263 } |
|
1264 } |
|
1265 } |
|
1266 |
|
1267 // ----------------------------------------------------------------------------- |
|
1268 // CHgScroller::Reset() |
|
1269 // ----------------------------------------------------------------------------- |
|
1270 // |
|
1271 EXPORT_C void CHgScroller::Reset() |
|
1272 { |
|
1273 if(iItemCount) |
|
1274 { |
|
1275 iItems.ResetAndDestroy(); |
|
1276 iItemCount = 0; |
|
1277 iSelectedIndex = KErrNotFound; |
|
1278 |
|
1279 if( iManager ) |
|
1280 { |
|
1281 iManager->ResetBuffer( iSelectedIndex, iItemCount ); |
|
1282 } |
|
1283 |
|
1284 HandleItemCountChanged(); |
|
1285 } |
|
1286 } |
|
1287 |
|
1288 // ----------------------------------------------------------------------------- |
|
1289 // CHgScroller::SetFlags() |
|
1290 // ----------------------------------------------------------------------------- |
|
1291 // |
|
1292 EXPORT_C void CHgScroller::SetFlags(TInt aFlags) |
|
1293 { |
|
1294 iFlags |= aFlags; |
|
1295 } |
|
1296 |
|
1297 // ----------------------------------------------------------------------------- |
|
1298 // CHgScroller::ClearFlags() |
|
1299 // ----------------------------------------------------------------------------- |
|
1300 // |
|
1301 EXPORT_C void CHgScroller::ClearFlags(TInt aFlags) |
|
1302 { |
|
1303 iFlags &= ~aFlags; |
|
1304 } |
|
1305 |
|
1306 // ----------------------------------------------------------------------------- |
|
1307 // CHgScroller::Flags() |
|
1308 // ----------------------------------------------------------------------------- |
|
1309 // |
|
1310 EXPORT_C TInt CHgScroller::Flags() |
|
1311 { |
|
1312 return iFlags; |
|
1313 } |
|
1314 |
|
1315 // ----------------------------------------------------------------------------- |
|
1316 // CHgScroller::SetEmptyTextL() |
|
1317 // ----------------------------------------------------------------------------- |
|
1318 // |
|
1319 EXPORT_C void CHgScroller::SetEmptyTextL( const TDesC& aEmptyText ) |
|
1320 { |
|
1321 delete iEmptyText; |
|
1322 iEmptyText = 0; |
|
1323 iEmptyText = aEmptyText.AllocL(); |
|
1324 } |
|
1325 |
|
1326 // ----------------------------------------------------------------------------- |
|
1327 // CHgScroller::ItemCount() |
|
1328 // ----------------------------------------------------------------------------- |
|
1329 // |
|
1330 EXPORT_C TInt CHgScroller::ItemCount() const |
|
1331 { |
|
1332 return iItems.Count(); |
|
1333 } |
|
1334 |
|
1335 // ----------------------------------------------------------------------------- |
|
1336 // CHgScroller::HightlightItem() |
|
1337 // ----------------------------------------------------------------------------- |
|
1338 // |
|
1339 EXPORT_C TBool CHgScroller::HightlightItem( const TDesC& aHighlightText ) |
|
1340 { |
|
1341 TInt searchStartIndex = aHighlightText.Length() == 1 || |
|
1342 iSelectedIndex == KErrNotFound ? iSelectedIndex + 1 : iSelectedIndex; |
|
1343 |
|
1344 // From selected to end |
|
1345 for(TInt i = searchStartIndex; i < iItems.Count(); ++i) |
|
1346 { |
|
1347 if(iItems[i]->Title().Length() > 0 ) |
|
1348 { |
|
1349 iUpperCaseTitle.Copy( iItems[i]->Title().Left( aHighlightText.Length() ) ); |
|
1350 iUpperCaseTitle.UpperCase(); |
|
1351 TInt result = iUpperCaseTitle.CompareC( aHighlightText ); |
|
1352 |
|
1353 if(result == 0) |
|
1354 { |
|
1355 iSelectedIndex = i; |
|
1356 FitSelectionToView(); |
|
1357 DrawDeferred(); |
|
1358 return ETrue; |
|
1359 } |
|
1360 } |
|
1361 } |
|
1362 |
|
1363 // From beginning to selected - 1 |
|
1364 for(TInt i = 0; i < iSelectedIndex; ++i) |
|
1365 { |
|
1366 if(iItems[i]->Title().Length() > 0 ) |
|
1367 { |
|
1368 iUpperCaseTitle.Copy( iItems[i]->Title().Left( aHighlightText.Length() ) ); |
|
1369 iUpperCaseTitle.UpperCase(); |
|
1370 TInt result = iUpperCaseTitle.CompareC( aHighlightText ); |
|
1371 |
|
1372 if(result == 0) |
|
1373 { |
|
1374 iSelectedIndex = i; |
|
1375 FitSelectionToView(); |
|
1376 DrawDeferred(); |
|
1377 return ETrue; |
|
1378 } |
|
1379 else if( result > 0) |
|
1380 { |
|
1381 break; |
|
1382 } |
|
1383 } |
|
1384 } |
|
1385 |
|
1386 return EFalse; |
|
1387 } |
|
1388 |
|
1389 // ----------------------------------------------------------------------------- |
|
1390 // CHgScroller::SetDefaultIconL() |
|
1391 // ----------------------------------------------------------------------------- |
|
1392 // |
|
1393 EXPORT_C void CHgScroller::SetDefaultIconL( CGulIcon* aDefaultIcon ) |
|
1394 { |
|
1395 if( aDefaultIcon ) |
|
1396 { |
|
1397 delete iDefaultIcon; |
|
1398 iDefaultIcon = aDefaultIcon; |
|
1399 } |
|
1400 } |
|
1401 |
|
1402 // ----------------------------------------------------------------------------- |
|
1403 // CHgScroller::DisableScrollBuffer() |
|
1404 // ----------------------------------------------------------------------------- |
|
1405 // |
|
1406 EXPORT_C void CHgScroller::DisableScrollBuffer() |
|
1407 { |
|
1408 delete iManager; |
|
1409 iManager = NULL; |
|
1410 } |
|
1411 |
|
1412 // ----------------------------------------------------------------------------- |
|
1413 // CHgScroller::InitGraphicsL() |
|
1414 // ----------------------------------------------------------------------------- |
|
1415 // |
|
1416 void CHgScroller::InitGraphicsL() |
|
1417 { |
|
1418 // Non-Skinned icons |
|
1419 // Default icon |
|
1420 if(iIndicatorManager) |
|
1421 { |
|
1422 iIndicatorManager->InitIconL(iDefaultIcon, |
|
1423 EMbmGanesQgn_prop_checkbox_on, EMbmGanesQgn_prop_checkbox_on_mask, iImageSize); |
|
1424 |
|
1425 iIndicatorManager->InitIndicatorsL(iIndicatorSize); |
|
1426 } |
|
1427 } |
|
1428 |
|
1429 // ----------------------------------------------------------------------------- |
|
1430 // CHgScroller::SelectionChanged() |
|
1431 // ----------------------------------------------------------------------------- |
|
1432 // |
|
1433 void CHgScroller::SelectionChanged() |
|
1434 { |
|
1435 } |
|
1436 |
|
1437 // ----------------------------------------------------------------------------- |
|
1438 // CHgScroller::FitRowToView() |
|
1439 // ----------------------------------------------------------------------------- |
|
1440 // |
|
1441 void CHgScroller::FitRowToView( TInt aRow ) |
|
1442 { |
|
1443 if( iLandscapeScrolling ) |
|
1444 { |
|
1445 if ( aRow*iRowHeight < iViewPosition.iX-(iWidth/2) ) |
|
1446 { |
|
1447 // Item is at top but not fully visible |
|
1448 iViewPosition.iX -= (iViewPosition.iX-(iWidth/2) - ((aRow)*iRowHeight)); |
|
1449 HandleViewPositionChanged(); |
|
1450 } |
|
1451 else if ( (aRow+1)*iRowHeight > iViewPosition.iX+(iWidth/2) ) |
|
1452 { |
|
1453 // Item is at bottom but not fully visible |
|
1454 iViewPosition.iX += ((aRow+1)*iRowHeight - (iViewPosition.iX+(iWidth/2))); |
|
1455 HandleViewPositionChanged(); |
|
1456 } |
|
1457 } |
|
1458 else |
|
1459 { |
|
1460 if ( aRow*iRowHeight < iViewPosition.iY-(iHeight/2) ) |
|
1461 { |
|
1462 // Item is at top but not fully visible |
|
1463 iViewPosition.iY -= (iViewPosition.iY-(iHeight/2) - ((aRow)*iRowHeight)); |
|
1464 HandleViewPositionChanged(); |
|
1465 } |
|
1466 else if ( (aRow+1)*iRowHeight > iViewPosition.iY+(iHeight/2) ) |
|
1467 { |
|
1468 // Item is at bottom but not fully visible |
|
1469 iViewPosition.iY += ((aRow+1)*iRowHeight - (iViewPosition.iY+(iHeight/2))); |
|
1470 HandleViewPositionChanged(); |
|
1471 } |
|
1472 } |
|
1473 } |
|
1474 |
|
1475 // ----------------------------------------------------------------------------- |
|
1476 // CHgScroller::MarqueeCallback() |
|
1477 // ----------------------------------------------------------------------------- |
|
1478 // |
|
1479 TInt CHgScroller::MarqueeCallback( TAny* aSelf ) |
|
1480 { |
|
1481 CHgScroller* self = static_cast<CHgScroller*>(aSelf); |
|
1482 if( self->IsDisplayed( self->iSelectedIndex ) ) |
|
1483 { |
|
1484 self->DrawDeferred(); |
|
1485 return ETrue; |
|
1486 } |
|
1487 else |
|
1488 { |
|
1489 return EFalse; |
|
1490 } |
|
1491 } |
|
1492 |
|
1493 // ----------------------------------------------------------------------------- |
|
1494 // CHgScroller::HandleGainingForeground() |
|
1495 // ----------------------------------------------------------------------------- |
|
1496 // |
|
1497 void CHgScroller::HandleGainingForeground() |
|
1498 { |
|
1499 iSelectionMode = ENoSelection; |
|
1500 iScrollbar->Reset(); |
|
1501 } |
|
1502 |
|
1503 // ----------------------------------------------------------------------------- |
|
1504 // CHgScroller::HandleLosingForeground() |
|
1505 // ----------------------------------------------------------------------------- |
|
1506 // |
|
1507 void CHgScroller::HandleLosingForeground() |
|
1508 { |
|
1509 if( iOldWinPos == KErrNotFound |
|
1510 || iOldWinPos == DrawableWindow()->OrdinalPosition() ) |
|
1511 { |
|
1512 iPointerDown = EFalse; |
|
1513 } |
|
1514 |
|
1515 iPopupText1.Zero(); |
|
1516 iPopupText2.Zero(); |
|
1517 } |
|
1518 |
|
1519 // --------------------------------------------------------------------------- |
|
1520 // CHgScroller::LaunchHighlightTimer() |
|
1521 // --------------------------------------------------------------------------- |
|
1522 // |
|
1523 void CHgScroller::LaunchHighlightTimer() |
|
1524 { |
|
1525 if ( !iHighlightTimer ) |
|
1526 { |
|
1527 return; |
|
1528 } |
|
1529 |
|
1530 TInt highlightTimeout( 0 ); |
|
1531 if ( iPhysics ) |
|
1532 { |
|
1533 highlightTimeout = iPhysics->HighlightTimeout() * 1000; |
|
1534 } |
|
1535 if ( highlightTimeout == 0 ) |
|
1536 { |
|
1537 highlightTimeout = KDefaultHighlightTimeout; |
|
1538 } |
|
1539 |
|
1540 iHighlightTimer->Cancel(); |
|
1541 iHighlightTimer->Start( |
|
1542 TTimeIntervalMicroSeconds32( highlightTimeout ), |
|
1543 TTimeIntervalMicroSeconds32( highlightTimeout ), |
|
1544 TCallBack( HighlightTimerCallback, this ) ); |
|
1545 } |
|
1546 |
|
1547 |
|
1548 // --------------------------------------------------------------------------- |
|
1549 // CHgScroller::HighlightTimerCallback() |
|
1550 // --------------------------------------------------------------------------- |
|
1551 // |
|
1552 TInt CHgScroller::HighlightTimerCallback( TAny* aPtr ) |
|
1553 { |
|
1554 CHgScroller* scroller = |
|
1555 static_cast<CHgScroller*>( aPtr ); |
|
1556 |
|
1557 TInt err = KErrNotFound; |
|
1558 |
|
1559 if ( scroller ) |
|
1560 { |
|
1561 TRAP( err, scroller->SetHighlightL() ); |
|
1562 } |
|
1563 |
|
1564 return err; |
|
1565 } |
|
1566 |
|
1567 // --------------------------------------------------------------------------- |
|
1568 // CHgScroller::SetHighlightL() |
|
1569 // --------------------------------------------------------------------------- |
|
1570 // |
|
1571 void CHgScroller::SetHighlightL() |
|
1572 { |
|
1573 iHighlightTimer->Cancel(); |
|
1574 |
|
1575 TInt index = GetSelected(iStart); |
|
1576 if((index != KErrNotFound || !HasHighlight()) |
|
1577 && iPointerDown ) |
|
1578 { |
|
1579 iSelectionToFocusedItem = (index == iSelectedIndex); |
|
1580 iSelectedIndex = index; |
|
1581 iFocusedIndex = index; |
|
1582 // Selection has changed to valid item |
|
1583 if( !iSelectionToFocusedItem && iSelectedIndex != KErrNotFound ) |
|
1584 { |
|
1585 if( iSelectionObserver ) |
|
1586 iSelectionObserver->HandleSelectL(iSelectedIndex); |
|
1587 |
|
1588 FitSelectionToView(); |
|
1589 SelectionChanged(); |
|
1590 iDrawUtils->ResetMarquee(); |
|
1591 } |
|
1592 DrawDeferred(); |
|
1593 } |
|
1594 } |
|
1595 |
|
1596 // --------------------------------------------------------------------------- |
|
1597 // CHgScroller::SetSelectionMode() |
|
1598 // --------------------------------------------------------------------------- |
|
1599 // |
|
1600 void CHgScroller::SetSelectionMode( TSelectionMode aMode ) |
|
1601 { |
|
1602 iSelectionMode = aMode; |
|
1603 if( iSelectionMode == ESelectionPossible |
|
1604 || iSelectionMode == ENoSelection ) |
|
1605 { |
|
1606 iCoeEnv->InputCapabilitiesChanged(); |
|
1607 } |
|
1608 } |
|
1609 |
|
1610 // --------------------------------------------------------------------------- |
|
1611 // CHgScroller::SelectionMode() |
|
1612 // --------------------------------------------------------------------------- |
|
1613 // |
|
1614 CHgScroller::TSelectionMode CHgScroller::SelectionMode() const |
|
1615 { |
|
1616 return iSelectionMode; |
|
1617 } |
|
1618 |
|
1619 // --------------------------------------------------------------------------- |
|
1620 // CHgScroller::KeyScrollingTimerCallback() |
|
1621 // --------------------------------------------------------------------------- |
|
1622 // |
|
1623 TInt CHgScroller::KeyScrollingTimerCallback( TAny* aPtr ) |
|
1624 { |
|
1625 CHgScroller* scroller = |
|
1626 static_cast<CHgScroller*>( aPtr ); |
|
1627 |
|
1628 TInt err = KErrNotFound; |
|
1629 |
|
1630 if ( scroller ) |
|
1631 { |
|
1632 scroller->DoKeyScrolling(); |
|
1633 err = KErrNone; |
|
1634 } |
|
1635 |
|
1636 return err; |
|
1637 } |
|
1638 |
|
1639 // --------------------------------------------------------------------------- |
|
1640 // CHgScroller::DoKeyScrolling() |
|
1641 // --------------------------------------------------------------------------- |
|
1642 // |
|
1643 void CHgScroller::DoKeyScrolling() |
|
1644 { |
|
1645 TKeyEvent keyevent; |
|
1646 |
|
1647 switch( iKeyScrollingState ) |
|
1648 { |
|
1649 case EKeyScrollingUp: |
|
1650 { |
|
1651 keyevent.iCode = EKeyUpArrow; |
|
1652 HandleKeyEvent( keyevent ); |
|
1653 break; |
|
1654 } |
|
1655 case EKeyScrollingDown: |
|
1656 { |
|
1657 keyevent.iCode = EKeyDownArrow; |
|
1658 HandleKeyEvent( keyevent ); |
|
1659 break; |
|
1660 } |
|
1661 case EKeyScrollingLeft: |
|
1662 { |
|
1663 keyevent.iCode = EKeyLeftArrow; |
|
1664 HandleKeyEvent( keyevent ); |
|
1665 break; |
|
1666 } |
|
1667 case EKeyScrollingRight: |
|
1668 { |
|
1669 keyevent.iCode = EKeyRightArrow; |
|
1670 HandleKeyEvent( keyevent ); |
|
1671 break; |
|
1672 } |
|
1673 case ENoKeyScrolling: |
|
1674 default: |
|
1675 StopKeyScrolling(); |
|
1676 break; |
|
1677 } |
|
1678 |
|
1679 DrawNow(); |
|
1680 } |
|
1681 |
|
1682 // --------------------------------------------------------------------------- |
|
1683 // CHgScroller::StopKeyScrolling() |
|
1684 // --------------------------------------------------------------------------- |
|
1685 // |
|
1686 void CHgScroller::StopKeyScrolling() |
|
1687 { |
|
1688 iKeyScrollingTimer->Cancel(); |
|
1689 iKeyScrollingState = ENoKeyScrolling; |
|
1690 } |
|
1691 |
|
1692 // --------------------------------------------------------------------------- |
|
1693 // CHgScroller::FocusChanged() |
|
1694 // --------------------------------------------------------------------------- |
|
1695 // |
|
1696 void CHgScroller::FocusChanged(TDrawNow aDrawNow) |
|
1697 { |
|
1698 if( iKeyUtils ) |
|
1699 { |
|
1700 if( !(iFlags & EHgScrollerKeyMarkingDisabled) ) |
|
1701 { |
|
1702 if(IsFocused()) |
|
1703 { |
|
1704 iKeyUtils->HandleGainingFocus(); |
|
1705 } |
|
1706 else |
|
1707 { |
|
1708 iKeyUtils->HandleLosingFocus(); |
|
1709 } |
|
1710 } |
|
1711 else |
|
1712 { |
|
1713 iKeyUtils->HandleLosingFocus(); |
|
1714 } |
|
1715 } |
|
1716 |
|
1717 CCoeControl::FocusChanged( aDrawNow ); |
|
1718 } |
|
1719 |
|
1720 // --------------------------------------------------------------------------- |
|
1721 // CHgScroller::HandleResourceChange() |
|
1722 // --------------------------------------------------------------------------- |
|
1723 // |
|
1724 void CHgScroller::HandleResourceChange( TInt aType ) |
|
1725 { |
|
1726 TRAP_IGNORE( |
|
1727 // When skin changes the indicator icons must be reloaded. |
|
1728 if ( aType == KAknsMessageSkinChange ) |
|
1729 { |
|
1730 delete iIndicatorManager; iIndicatorManager = NULL; |
|
1731 iIndicatorManager = CHgIndicatorManager::NewL(); |
|
1732 delete iScrollbar; iScrollbar = NULL; |
|
1733 iScrollbar = CHgScrollbar::NewL(*this); |
|
1734 InitScrollbarL(); |
|
1735 InitGraphicsL(); |
|
1736 |
|
1737 HandleSizeChanged(); |
|
1738 DrawDeferred(); |
|
1739 } |
|
1740 ) |
|
1741 } |
|
1742 |
|
1743 // --------------------------------------------------------------------------- |
|
1744 // CHgScroller::HandleLongTapEventL() |
|
1745 // --------------------------------------------------------------------------- |
|
1746 // |
|
1747 void CHgScroller::HandleLongTapEventL( const TPoint& /*aPenEventLocation*/, |
|
1748 const TPoint& aPenEventScreenLocation) |
|
1749 { |
|
1750 if( iActionMenu && !(iFlags & EHgScrollerSelectionMode) ) |
|
1751 { |
|
1752 iOldWinPos = DrawableWindow()->OrdinalPosition(); |
|
1753 iActionMenu->ShowMenuL(aPenEventScreenLocation); |
|
1754 iPointerDown = EFalse; |
|
1755 } |
|
1756 } |
|
1757 |
|
1758 // --------------------------------------------------------------------------- |
|
1759 // CHgScroller::CollectionState() |
|
1760 // --------------------------------------------------------------------------- |
|
1761 // |
|
1762 TUint CHgScroller::CollectionState() const |
|
1763 { |
|
1764 TUint ret = 0; |
|
1765 |
|
1766 if( IsFocused() ) |
|
1767 { |
|
1768 ret |= MAknCollection::EStateCollectionVisible; |
|
1769 } |
|
1770 if( HasHighlight() ) |
|
1771 { |
|
1772 ret |= MAknCollection::EStateHighlightVisible; |
|
1773 } |
|
1774 if( iFlags & EHgScrollerSelectionMode ) |
|
1775 { |
|
1776 ret |= MAknCollection::EStateMultipleSelection; |
|
1777 for( TInt i = 0; i < iItems.Count(); ++i ) |
|
1778 { |
|
1779 if( iItems[i]->Flags() & CHgItem::EHgItemFlagMarked ) |
|
1780 { |
|
1781 ret |= MAknCollection::EStateMarkedItems; |
|
1782 break; |
|
1783 } |
|
1784 } |
|
1785 } |
|
1786 return ret; |
|
1787 } |
|
1788 |
|
1789 // --------------------------------------------------------------------------- |
|
1790 // CHgScroller::CollectionState() |
|
1791 // --------------------------------------------------------------------------- |
|
1792 // |
|
1793 void CHgScroller::ItemActionMenuClosed() |
|
1794 { |
|
1795 iOldWinPos = KErrNotFound; |
|
1796 DrawDeferred(); |
|
1797 } |
|
1798 |
|
1799 // --------------------------------------------------------------------------- |
|
1800 // CHgScroller::CollectionState() |
|
1801 // --------------------------------------------------------------------------- |
|
1802 // |
|
1803 TInt CHgScroller::CollectionExtension( TUint /*aExtensionId*/, TAny*& /*a0*/, TAny* /*a1*/ ) |
|
1804 { |
|
1805 return KErrNone; |
|
1806 } |
|
1807 |
|
1808 // --------------------------------------------------------------------------- |
|
1809 // CHgScroller::HasHighlight() |
|
1810 // --------------------------------------------------------------------------- |
|
1811 // |
|
1812 TBool CHgScroller::HasHighlight() const |
|
1813 { |
|
1814 return (iActionMenu == NULL) || iShowHighlight || (iFlags & EHgScrollerForceDoubleClick); |
|
1815 } |
|
1816 |
|
1817 // --------------------------------------------------------------------------- |
|
1818 // CHgScroller::ReleasePopupFont() |
|
1819 // --------------------------------------------------------------------------- |
|
1820 // |
|
1821 void CHgScroller::ReleasePopupFont() |
|
1822 { |
|
1823 if (iPopupFont) |
|
1824 { |
|
1825 iCoeEnv->ScreenDevice()->ReleaseFont(iPopupFont); |
|
1826 iPopupFont = NULL; |
|
1827 } |
|
1828 } |
|
1829 |
|
1830 // --------------------------------------------------------------------------- |
|
1831 // CHgScroller::SetMenuProviderL() |
|
1832 // --------------------------------------------------------------------------- |
|
1833 // |
|
1834 EXPORT_C void CHgScroller::SetMenuProviderL( MObjectProvider* aMenuProvider ) |
|
1835 { |
|
1836 SetMopParent(aMenuProvider); |
|
1837 |
|
1838 if( iActionMenu ) |
|
1839 { |
|
1840 iActionMenu->RemoveCollection( *this ); |
|
1841 iActionMenu = NULL; |
|
1842 } |
|
1843 |
|
1844 CAknAppUi* appUi = static_cast<CAknAppUi*>(iEikonEnv->AppUi()); |
|
1845 if( appUi && appUi->IsSingleClickCompatible() ) |
|
1846 { |
|
1847 iActionMenu = CAknItemActionMenu::RegisterCollectionL( *this, this ); |
|
1848 } |
|
1849 } |
|
1850 |
|
1851 |
|
1852 // End of File |