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1 /* |
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2 * Copyright (c) 2002 - 2006 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * A compound control class. It is responsible for drawing and updating |
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16 * a set of buttons. Button selections are also handled and forwarded |
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17 * as commands to the AppUi. |
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18 * |
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19 */ |
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20 |
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21 |
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22 // INCLUDE FILES |
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23 |
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24 #include <avkon.hrh> |
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25 #include <eikenv.h> |
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26 #include <AknsUtils.h> |
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27 #include <voicerecorder.rsg> |
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28 #include <aknbutton.h> |
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29 #include <e32base.h> |
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30 #include <barsread.h> // TResourceReader |
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31 #include <w32std.h> |
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32 #include <aknlayoutscalable_apps.cdl.h> // New button highlight |
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33 #include <e32std.h> // Timer |
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34 #include <AknsDrawUtils.h> |
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35 #include <applayout.cdl.h> |
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36 #include <AknsConstants.h> |
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37 #include <AknIconUtils.h> |
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38 #include <data_caging_path_literals.hrh> |
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39 #include <eikappui.h> |
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40 #include <aknViewAppUi.h> |
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41 #include <aknview.h> |
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42 |
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43 #include <voicerecorder.mbg> |
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44 #include "CVRButtonPanel.h" |
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45 #include "MVRButtonPanelModel.h" |
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46 #include "voicerecorder.hrh" |
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47 #include "VRConsts.h" |
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48 |
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49 // CONSTANTS |
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50 |
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51 // Timer delays |
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52 const TInt KVRFastForwStartDelay( 500000 ); |
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53 const TInt KVRFastForwUpdateDelay( 170000 ); |
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54 |
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55 const TInt KVRButtonCount( 5 ); // Total number of buttons |
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56 const TInt KVRAmountOfFocusShrink( 5 ); |
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57 |
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58 |
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59 // ================= MEMBER FUNCTIONS ======================================== |
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60 |
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61 // --------------------------------------------------------------------------- |
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62 // CVRButtonPanel::CVRButtonPanel |
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63 // |
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64 // --------------------------------------------------------------------------- |
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65 // |
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66 CVRButtonPanel::CVRButtonPanel( MVRButtonPanelModel* aModel ) |
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67 : iModel( aModel ), |
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68 iVRButtons( KVRButtonCount ) |
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69 { |
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70 __ASSERT_DEBUG( iModel, User::Panic( KVRPanic, KErrNotFound ) ); |
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71 iModel->SetButtonPanelObserver( this ); |
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72 } |
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73 |
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74 |
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75 // --------------------------------------------------------------------------- |
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76 // CVRButtonPanel::CVRButtonPanel |
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77 // |
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78 // --------------------------------------------------------------------------- |
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79 // |
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80 CVRButtonPanel::CVRButtonPanel( MVRButtonPanelModel* aModel, |
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81 TUid aParentViewUid ) |
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82 : iModel( aModel ), |
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83 iParentViewUid( aParentViewUid ), |
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84 iVRButtons( KVRButtonCount ) |
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85 { |
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86 __ASSERT_DEBUG( iModel, User::Panic( KVRPanic, KErrNotFound ) ); |
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87 iModel->SetButtonPanelObserver( this ); |
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88 } |
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89 |
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90 |
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91 // --------------------------------------------------------------------------- |
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92 // CVRButtonPanel::~CVRButtonPanel |
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93 // Destructor |
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94 // --------------------------------------------------------------------------- |
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95 // |
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96 CVRButtonPanel::~CVRButtonPanel() |
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97 { |
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98 if ( iModel ) |
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99 { |
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100 iModel->SetButtonPanelObserver( NULL ); |
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101 } |
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102 |
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103 iVRButtons.ResetAndDestroy(); |
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104 delete iTimer; |
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105 iModel = NULL; |
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106 iSkin = NULL; |
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107 } |
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108 |
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109 |
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110 // --------------------------------------------------------------------------- |
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111 // CVRButtonPanel::ConstructL |
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112 // |
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113 // --------------------------------------------------------------------------- |
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114 // |
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115 void CVRButtonPanel::ConstructL() |
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116 { |
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117 iSkin = AknsUtils::SkinInstance(); |
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118 |
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119 // Create buttons from resources |
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120 CreateButtonsFromResourcesL( R_VR_BUTTON_PANEL_BUTTONS ); |
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121 UpdateButtons(); |
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122 |
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123 // Has to be done to get the buttons' background shown correctly |
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124 for ( TInt i = 0; i < iVRButtons.Count(); i++ ) |
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125 { |
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126 iVRButtons.At( i )->SetBackground( this ); |
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127 } |
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128 } |
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129 |
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130 |
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131 // --------------------------------------------------------------------------- |
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132 // CVRButtonPanel::CreateButtonsFromResourcesL |
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133 // Creates buttons from resources |
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134 // --------------------------------------------------------------------------- |
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135 // |
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136 void CVRButtonPanel::CreateButtonsFromResourcesL( TInt aButtonsResourceId ) |
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137 { |
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138 TResourceReader reader; |
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139 iEikonEnv->CreateResourceReaderLC( reader, aButtonsResourceId ); |
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140 |
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141 TInt numButtons( reader.ReadInt16() ); |
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142 |
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143 // Create buttons |
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144 for (TInt i = 0; i < numButtons; i++ ) |
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145 { |
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146 CAknButton* aknButton = CAknButton::NewL(); |
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147 CleanupStack::PushL( aknButton ); |
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148 |
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149 aknButton->SetContainerWindowL( *this ); |
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150 aknButton->SetMopParent( this ); |
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151 aknButton->ConstructFromResourceL( reader ); |
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152 aknButton->SetObserver( this ); |
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153 |
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154 // Set ready to be drawn and add it to array |
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155 aknButton->ActivateL(); |
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156 iVRButtons.AppendL( aknButton ); |
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157 |
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158 CleanupStack::Pop( aknButton ); // aknButton |
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159 } |
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160 |
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161 CleanupStack::PopAndDestroy(); // reader; |
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162 } |
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163 |
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164 |
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165 // --------------------------------------------------------------------------- |
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166 // CVRButtonPanel::Update |
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167 // This method can be called via MVRObserver class when Button Panel needs |
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168 // to be updated. |
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169 // --------------------------------------------------------------------------- |
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170 // |
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171 void CVRButtonPanel::Update( TVRUpdateCommand aCommand ) |
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172 { |
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173 |
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174 TBool drawNow( ETrue ); |
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175 |
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176 // Recorder calls this after each tick, we have to check if button reset |
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177 // is needed. Redraw is needed also after 1 secs playback to enable |
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178 // rewind button. |
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179 switch( aCommand ) |
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180 { |
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181 case EVRUpdate1Second: |
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182 case EVRUpdate: |
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183 case EVRUpdateStateChange: |
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184 { |
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185 // Redraw |
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186 drawNow = ETrue; |
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187 break; |
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188 } |
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189 case EVRUpdatePositionChange: |
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190 { |
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191 // Skip redraw |
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192 drawNow = EFalse; |
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193 break; |
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194 } |
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195 default: |
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196 { |
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197 // Skip redraw |
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198 drawNow = EFalse; |
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199 return; |
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200 } |
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201 } |
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202 |
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203 if ( iModel->ResetNeeded() ) |
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204 { |
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205 iFocusedButton = iModel->InitialFocusButtonId(); |
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206 } |
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207 |
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208 UpdateButtons(); |
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209 |
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210 // Change focus if focused button is dimmed |
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211 TuneButtonFocus(); |
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212 |
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213 if ( drawNow ) |
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214 { |
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215 DrawNow(); |
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216 } |
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217 } |
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218 |
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219 |
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220 // --------------------------------------------------------------------------- |
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221 // CVRButtonPanel::SizeChanged |
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222 // Called when Button Panel layout needs to be updated |
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223 // --------------------------------------------------------------------------- |
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224 // |
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225 void CVRButtonPanel::SizeChanged() |
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226 { |
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227 TInt count( iModel->ButtonCount() ); |
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228 |
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229 TSize size; // Size of the bitmap |
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230 |
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231 for ( TInt i( 0 ); i < count; i++ ) |
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232 { |
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233 // Layout button. |
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234 TAknWindowLineLayout cell = AppLayout::cell_vorec_pane( i ); |
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235 |
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236 TAknLayoutRect buttonLayout; |
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237 buttonLayout.LayoutRect( Rect(), cell ); |
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238 TRect buttonRect = buttonLayout.Rect(); |
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239 TInt newSize = (TInt)(buttonRect.Width() * 0.1); // used to reduce the size of button |
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240 buttonRect.Shrink( TSize(newSize,newSize) ); |
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241 iVRButtons.At( i )->SetRect( buttonRect ); |
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242 } |
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243 } |
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244 |
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245 |
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246 // --------------------------------------------------------------------------- |
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247 // CVRButtonPanel::OfferKeyEventL |
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248 // Key event handling |
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249 // --------------------------------------------------------------------------- |
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250 // |
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251 TKeyResponse CVRButtonPanel::OfferKeyEventL( const TKeyEvent& aKeyEvent, |
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252 TEventCode aType ) |
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253 { |
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254 if ( aType != EEventKey ) |
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255 { |
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256 if( aType == EEventKeyDown ) |
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257 { |
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258 // Rocker key pressed |
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259 if ( aKeyEvent.iScanCode == EStdKeyDevice3 ) |
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260 { |
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261 // Start timer to get continuous timercallbacks for |
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262 // FastForwarding and FastRewinding |
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263 StartTimerL(); |
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264 } |
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265 } |
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266 else if( aType == EEventKeyUp ) |
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267 { |
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268 // Rocker key pressed |
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269 if ( aKeyEvent.iScanCode == EStdKeyDevice3 ) |
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270 { |
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271 StopTimer(); |
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272 } |
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273 } |
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274 return EKeyWasNotConsumed; |
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275 } |
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276 // EEventKey |
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277 switch ( aKeyEvent.iCode ) |
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278 { |
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279 case EKeyDownArrow: |
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280 { |
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281 MoveFocus( EFocusDown, ETrue ); |
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282 break; |
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283 } |
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284 case EKeyUpArrow: |
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285 { |
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286 MoveFocus( EFocusUp, ETrue ); |
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287 break; |
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288 } |
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289 case EKeyEnter: |
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290 case EKeyOK: |
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291 { |
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292 // This is in use as long as there are only 2 CBA buttons. When MSK |
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293 // enabled, execution goes straight to CVRRecView::HandleCommandL |
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294 FetchAndSendCommandL(); |
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295 break; |
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296 } |
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297 default: |
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298 { |
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299 return EKeyWasNotConsumed; |
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300 } |
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301 } |
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302 |
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303 return EKeyWasConsumed; |
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304 } |
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305 |
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306 |
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307 // --------------------------------------------------------------------------- |
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308 // CVRButtonPanel::Draw |
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309 // Needed to get correct focus drawing with AknButtons |
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310 // --------------------------------------------------------------------------- |
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311 // |
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312 void CVRButtonPanel::Draw( CWindowGc& /*aGc*/, const CCoeControl& /*aControl*/, |
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313 const TRect& /*aRect*/ ) const |
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314 { |
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315 } |
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316 |
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317 |
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318 // --------------------------------------------------------------------------- |
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319 // CVRButtonPanel::Draw |
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320 // |
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321 // --------------------------------------------------------------------------- |
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322 // |
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323 void CVRButtonPanel::Draw( const TRect& /*aRect*/ ) const |
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324 { |
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325 CWindowGc& gc = SystemGc(); |
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326 // Acquire the control context through the MOP-chain |
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327 MAknsControlContext* context = AknsDrawUtils::ControlContext( this ); |
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328 |
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329 // Draw the background using the control context |
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330 // Note: if there is no skin, the background is just cleared |
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331 // (which is OK for us) |
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332 AknsDrawUtils::Background( iSkin, context, this, gc, Rect() ); |
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333 |
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334 // Draw button highlight |
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335 DrawFocus( gc ); |
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336 } |
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337 |
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338 |
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339 // --------------------------------------------------------------------------- |
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340 // CVRButtonPanel::CountComponentControls |
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341 // |
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342 // --------------------------------------------------------------------------- |
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343 // |
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344 TInt CVRButtonPanel::CountComponentControls() const |
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345 { |
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346 return iVRButtons.Count(); |
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347 } |
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348 |
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349 |
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350 // --------------------------------------------------------------------------- |
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351 // CVRButtonPanel::ComponentControl |
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352 // |
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353 // --------------------------------------------------------------------------- |
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354 // |
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355 CCoeControl* CVRButtonPanel::ComponentControl( TInt aIndex ) const |
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356 { |
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357 return iVRButtons.At( aIndex ); |
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358 } |
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359 |
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360 |
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361 // --------------------------------------------------------------------------- |
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362 // CVRButtonPanel::MoveFocus |
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363 // Moves the focus to next button up or down. aDirection tells the which. |
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364 // --------------------------------------------------------------------------- |
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365 // |
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366 void CVRButtonPanel::MoveFocus( const TFocusChange aDirection, TBool aDrawNow ) |
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367 { |
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368 TInt buttonCount( iModel->ButtonCount() ); |
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369 TInt newButton( iFocusedButton ); |
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370 |
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371 for ( TInt i( 0 ); i < buttonCount; i++ ) |
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372 { |
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373 // calculate new button id. the modulo operator (%) handles looping |
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374 newButton = ( newButton + aDirection + buttonCount ) % buttonCount; |
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375 // dimmed buttons are skipped |
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376 if ( iModel->ButtonState( newButton ) != EDimmed ) |
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377 { |
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378 iFocusedButton = newButton; |
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379 |
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380 // Timer is used for FastForward/-Rewind. Stop that when focus is |
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381 // changed. |
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382 StopTimer(); |
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383 break; |
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384 } |
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385 } |
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386 |
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387 if ( aDrawNow ) |
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388 { |
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389 DrawNow(); |
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390 } |
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391 } |
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392 |
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393 |
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394 // --------------------------------------------------------------------------- |
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395 // CVRButtonPanel::UpdateLayoutL |
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396 // |
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397 // --------------------------------------------------------------------------- |
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398 // |
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399 void CVRButtonPanel::UpdateLayoutL( ) |
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400 { |
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401 SizeChanged(); |
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402 } |
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403 |
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404 |
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405 // --------------------------------------------------------------------------- |
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406 // CVRButtonPanel::HandleResourceChangeL |
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407 // |
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408 // --------------------------------------------------------------------------- |
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409 // |
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410 void CVRButtonPanel::HandleResourceChangeL( TInt aType ) |
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411 { |
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412 CCoeControl::HandleResourceChange( aType ); |
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413 |
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414 if ( aType == KEikDynamicLayoutVariantSwitch ) |
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415 { |
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416 UpdateLayoutL(); |
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417 } |
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418 else if ( aType == KAknsMessageSkinChange ) |
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419 { |
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420 // New skin instance is loaded |
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421 iSkin = AknsUtils::SkinInstance(); |
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422 } |
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423 |
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424 // Inform Avkon Buttons |
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425 for( TInt buttonIndex = 0; buttonIndex < iVRButtons.Count() ; |
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426 buttonIndex++ ) |
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427 { |
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428 iVRButtons.At( buttonIndex )->HandleResourceChange( aType ); |
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429 } |
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430 } |
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431 |
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432 |
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433 // --------------------------------------------------------------------------- |
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434 // CVRButtonPanel::UpdateButtons |
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435 // Updates all Button Panel buttons to correct visual state. Also few |
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436 // exceptional cases are handled here (1. clip position is at the beginning |
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437 // 2. clip position is at the end) |
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438 // --------------------------------------------------------------------------- |
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439 // |
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440 void CVRButtonPanel::UpdateButtons() |
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441 { |
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442 TUint stateId; |
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443 // Update all the buttons |
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444 for( TInt buttonIndex = 0; buttonIndex < iVRButtons.Count() ; |
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445 buttonIndex++ ) |
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446 { |
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447 stateId = iModel->VisualStateId(); |
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448 |
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449 // dim rewind button if there is nothing to rewind |
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450 if ( buttonIndex == EButtonRewind && |
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451 iModel->ButtonState( buttonIndex ) == EDimmed ) |
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452 { |
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453 iVRButtons.At( buttonIndex )->SetDimmed(ETrue); |
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454 stateId = EStateDisableButtons; |
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455 } |
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456 if ( buttonIndex == EButtonRewind && |
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457 iModel->ButtonState( buttonIndex ) != EDimmed ) |
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458 { |
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459 iVRButtons.At( buttonIndex )->SetDimmed(EFalse); |
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460 } |
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461 // dim forward button if there is nothing to forward |
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462 if( buttonIndex == EButtonForward && |
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463 iModel->ButtonState( buttonIndex ) == EDimmed ) |
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464 { |
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465 iVRButtons.At( buttonIndex )->SetDimmed(ETrue); |
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466 stateId = EStateDisableButtons; |
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467 } |
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468 if( buttonIndex == EButtonForward && |
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469 iModel->ButtonState( buttonIndex ) != EDimmed ) |
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470 { |
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471 iVRButtons.At( buttonIndex )->SetDimmed(EFalse); |
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472 } |
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473 |
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474 // ************ADDED CODE STARTS**************************** |
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475 if( buttonIndex == EButtonRecord && |
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476 iModel->ButtonState( buttonIndex ) == EDimmed ) |
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477 { |
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478 stateId = EStateDisableButtons; |
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479 } |
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480 // ************ADDED CODE ENDS****************************** |
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481 |
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482 if( iModel->ButtonState( buttonIndex ) == EDimmed ) |
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483 { |
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484 iVRButtons.At( buttonIndex )->SetDimmed(ETrue); |
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485 } |
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486 else |
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487 { |
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488 iVRButtons.At( buttonIndex )->SetDimmed(EFalse); |
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489 } |
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490 |
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491 // Change the button state, don't redraw |
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492 iVRButtons.At( buttonIndex )->SetCurrentState( stateId , EFalse ); |
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493 } |
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494 } |
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495 |
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496 |
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497 |
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498 // --------------------------------------------------------------------------- |
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499 // CVRButtonPanel::DrawFocus() |
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500 // Draws the focus rectangle around the currently focused button |
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501 // --------------------------------------------------------------------------- |
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502 // |
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503 void CVRButtonPanel::DrawFocus( CWindowGc& aGc ) const |
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504 { |
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505 |
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506 aGc.SetBrushStyle( CGraphicsContext::ENullBrush ); |
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507 |
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508 if ( AknLayoutUtils::ScalableLayoutInterfaceAvailable() ) |
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509 { |
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510 // From LAF-table |
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511 // TAknWindowLineLayout area = |
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512 // AknLayoutScalable_Apps::grid_highlight_pane_cp05().LayoutLine(); |
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513 |
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514 // TRect buttonRect = iVRButtons.At( iFocusedButton )->Rect(); |
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515 TAknWindowLineLayout area = AppLayout::cell_vorec_pane( iFocusedButton ); |
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516 |
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517 TAknLayoutRect layoutRect; |
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518 layoutRect.LayoutRect( Rect(), area ); |
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519 // layoutRect.LayoutRect( buttonRect, area ); |
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520 |
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521 // The outer rectangle is calculated from the layoutRect |
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522 TRect outerRect = TRect( layoutRect.Rect().iTl, layoutRect.Rect().iBr ); |
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523 |
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524 // Inner rectangle is generated by shrinking the outer rect. |
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525 TRect innerRect = outerRect; |
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526 innerRect.Shrink( TSize( KVRAmountOfFocusShrink, |
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527 KVRAmountOfFocusShrink ) ); |
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528 |
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529 if (iModel->ButtonState( iFocusedButton ) != EDimmed ) |
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530 { |
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531 //Focus frame is drawn |
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532 aGc.SetPenStyle( CGraphicsContext::ENullPen ); |
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533 TBool highlightDrawn = AknsDrawUtils::DrawFrame( iSkin, aGc, |
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534 outerRect, innerRect, KAknsIIDQsnFrGrid, KAknsIIDNone ); |
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535 } |
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536 } |
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537 else |
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538 { |
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539 if ( iModel->ButtonState( iFocusedButton ) != EDimmed ) |
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540 { |
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541 // Old basic rectangle is drawn |
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542 aGc.SetPenStyle( CGraphicsContext::ESolidPen ); |
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543 aGc.DrawRect( iVRButtons.At( iFocusedButton )->Rect() ); |
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544 } |
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545 } |
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546 |
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547 } |
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548 |
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549 |
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550 // --------------------------------------------------------------------------- |
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551 // CVRButtonPanel::FocusedButton() |
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552 // Returns the index for the currently focused button |
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553 // --------------------------------------------------------------------------- |
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554 // |
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555 TInt CVRButtonPanel::FocusedButton() const |
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556 { |
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557 return iFocusedButton; |
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558 } |
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559 |
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560 |
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561 // --------------------------------------------------------------------------- |
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562 // CVRButtonPanel::StartTimerL |
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563 // Create and start a timer with initial delay of KVRFastForwStartDelay |
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564 // and with callback frequency of KVRFastForwUpdateDelay |
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565 // --------------------------------------------------------------------------- |
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566 // |
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567 void CVRButtonPanel::StartTimerL() |
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568 { |
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569 if ( iTimer ) |
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570 { |
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571 // stop if iTimer is already running |
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572 StopTimer(); |
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573 } |
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574 |
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575 TCallBack cb( TimerCallBack, this ); |
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576 iTimer = CPeriodic::NewL( 0 ); |
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577 iTimer->Start( KVRFastForwStartDelay, KVRFastForwUpdateDelay, cb ); |
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578 } |
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579 |
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580 |
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581 // --------------------------------------------------------------------------- |
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582 // CVRButtonPanel::StopTimer |
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583 // Stop the timer by deleting the CPeriodic object |
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584 // --------------------------------------------------------------------------- |
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585 // |
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586 void CVRButtonPanel::StopTimer() |
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587 { |
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588 delete iTimer; |
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589 iTimer = NULL; |
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590 } |
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591 |
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592 |
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593 // --------------------------------------------------------------------------- |
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594 // CVRButtonPanel::TimerCallBack |
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595 // Timer callback for iTimer. Time between callbacks is KVRFastForwUpdateDelay |
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596 // --------------------------------------------------------------------------- |
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597 // |
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598 TInt CVRButtonPanel::TimerCallBack( TAny* aButtonPanel ) |
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599 { |
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600 CVRButtonPanel* buttonPanel = reinterpret_cast< CVRButtonPanel* > |
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601 ( aButtonPanel ); |
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602 |
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603 buttonPanel->HandleTimerCallBack(); |
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604 |
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605 return ETrue; |
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606 } |
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607 |
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608 |
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609 // --------------------------------------------------------------------------- |
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610 // CVRButtonPanel::HandleTimerCallBack |
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611 // Non-static variant of TimerCallBack (more convinient to implement) |
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612 // --------------------------------------------------------------------------- |
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613 // |
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614 void CVRButtonPanel::HandleTimerCallBack() |
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615 { |
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616 // Callbacks are handled only if focus is on rewind or forward button |
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617 if (iFocusedButton == EButtonRewind || iFocusedButton == EButtonForward) |
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618 { |
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619 TRAPD( err, FetchAndSendCommandL() ); |
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620 |
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621 if ( err ) |
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622 { |
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623 RDebug::Print(_L("VoiceRecorder: FetchAndSendCommandL, error ID: %d"), |
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624 err); |
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625 StopTimer(); |
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626 } |
|
627 } |
|
628 } |
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629 |
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630 |
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631 // --------------------------------------------------------------------------- |
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632 // CVRButtonPanel::FetchAndSendCommand |
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633 // Fetches the command relating to focused button from the model. Command is |
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634 // sent on to active view. |
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635 // --------------------------------------------------------------------------- |
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636 // |
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637 void CVRButtonPanel::FetchAndSendCommandL() |
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638 { |
|
639 // Don't forward the command if dimmed button was clicked or |
|
640 // if model can't handle commands |
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641 if ( iModel->ButtonState( iFocusedButton ) == EDimmed || |
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642 !iModel->CanHandleCommands() ) |
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643 { |
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644 return; |
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645 } |
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646 |
|
647 // Send a command id to the active view specified in the button |
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648 CAknViewAppUi* appUi = reinterpret_cast< CAknViewAppUi* >( |
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649 CEikonEnv::Static()->EikAppUi() ); |
|
650 CAknView* view = appUi->View( iParentViewUid ); |
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651 view->HandleCommandL( iModel->CommandId( iFocusedButton ) ); |
|
652 |
|
653 Update( EVRUpdateStateChange ); |
|
654 |
|
655 } |
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656 |
|
657 |
|
658 // --------------------------------------------------------------------------- |
|
659 // CVRButtonPanel::TuneButtonFocus |
|
660 // The special cases when button focus has to be moved are handled here |
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661 // --------------------------------------------------------------------------- |
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662 // |
|
663 void CVRButtonPanel::TuneButtonFocus() |
|
664 { |
|
665 |
|
666 // CVRRecViewModel::ButtonState() returns EDimmed for EButtonRewind if |
|
667 // the position of the clip is at the beginning |
|
668 if ( iFocusedButton == EButtonRewind && |
|
669 iModel->ButtonState( iFocusedButton ) == EDimmed ) |
|
670 { |
|
671 iVRButtons.At( iFocusedButton )->SetDimmed(ETrue); |
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672 MoveFocus( EFocusDown, EFalse ); |
|
673 } |
|
674 |
|
675 // CVRRecViewModel::ButtonState() returns EDimmed for EButtonForward if |
|
676 // the position of the clip is at the end |
|
677 else if( iFocusedButton == EButtonForward && |
|
678 iModel->ButtonState( iFocusedButton ) == EDimmed ) |
|
679 { |
|
680 iVRButtons.At( iFocusedButton )->SetDimmed(ETrue); |
|
681 MoveFocus( EFocusUp, EFalse ); |
|
682 } |
|
683 } |
|
684 |
|
685 |
|
686 // --------------------------------------------------------------------------- |
|
687 // CVRButtonPanel::HandleControlEventL |
|
688 // A callback function of Avkon buttons. Handles EEventStateChanged type events |
|
689 // which happen every time when some of the buttons is pressed and button state |
|
690 // changes. Event comes before CAknButton::Draw method is executed. |
|
691 // --------------------------------------------------------------------------- |
|
692 // |
|
693 void CVRButtonPanel::HandleControlEventL( CCoeControl *aControl, |
|
694 TCoeEvent aEventType ) |
|
695 { |
|
696 if( AknLayoutUtils::PenEnabled() ) |
|
697 { |
|
698 |
|
699 switch( aEventType ) |
|
700 { |
|
701 case EEventStateChanged: |
|
702 { |
|
703 |
|
704 TInt newFocusedButton( 0 ); |
|
705 for( TInt i = 0; i < iVRButtons.Count() ; i++ ) |
|
706 { |
|
707 // Which of buttons was pressed |
|
708 if ( aControl == iVRButtons.At( i ) ) |
|
709 { |
|
710 // When new state is the first state, we have to set |
|
711 // new state to ENumStates to be able to se a correct |
|
712 // state in SetCurrentState( stateId - 1 , EFalse ); |
|
713 TInt stateId( iVRButtons.At( i )->StateIndex() ); |
|
714 if( stateId == 0 ) |
|
715 { |
|
716 stateId = ENumStates; |
|
717 } |
|
718 |
|
719 // CAknButton automatically changes the state to next |
|
720 // one always when it's ,pressed whether we want it or |
|
721 // not. To prevent this we set the previous state |
|
722 // before button draws itself |
|
723 iVRButtons.At( i )->SetCurrentState( stateId - 1, |
|
724 EFalse ); |
|
725 newFocusedButton = i; |
|
726 break; |
|
727 } |
|
728 } |
|
729 |
|
730 // Focus already was on pressed button so button's command is |
|
731 // executed |
|
732 if ( iFocusedButton == newFocusedButton ) |
|
733 { |
|
734 // Don't forward the command if dimmed button was clicked |
|
735 if ( iModel->ButtonState( iFocusedButton ) == EDimmed ) |
|
736 { |
|
737 break; |
|
738 } |
|
739 |
|
740 // Send a command id specified in the button to an |
|
741 // active view |
|
742 CAknViewAppUi* appUi = reinterpret_cast< CAknViewAppUi* >( |
|
743 CEikonEnv::Static()->EikAppUi() ); |
|
744 CAknView* view = appUi->View( iParentViewUid ); |
|
745 view->HandleCommandL( iModel->CommandId( iFocusedButton ) ); |
|
746 |
|
747 // To make FastForwarding/FastRewinding possible |
|
748 if ( iFocusedButton == EButtonRewind || |
|
749 iFocusedButton == EButtonForward ) |
|
750 { |
|
751 if ( iLastPointerEvent == EVRButtonDownEvent ) |
|
752 { |
|
753 StartTimerL(); |
|
754 } |
|
755 } |
|
756 |
|
757 Update( EVRUpdateStateChange ); |
|
758 } |
|
759 // Focus was not on the focused button -> |
|
760 // Focus should be changed |
|
761 else if ( newFocusedButton >= 0 && |
|
762 newFocusedButton < iVRButtons.Count() ) |
|
763 { |
|
764 //draw focus |
|
765 if ( iModel->ButtonState( newFocusedButton ) != EDimmed ) |
|
766 { |
|
767 iFocusedButton = newFocusedButton; |
|
768 DrawNow(); |
|
769 |
|
770 // Send a command id specified in the button to an |
|
771 // active view |
|
772 CAknViewAppUi* appUi = reinterpret_cast< CAknViewAppUi* >( |
|
773 CEikonEnv::Static()->EikAppUi() ); |
|
774 CAknView* view = appUi->View( iParentViewUid ); |
|
775 view->HandleCommandL( iModel->CommandId( iFocusedButton ) ); |
|
776 // To make FastForwarding/FastRewinding possible |
|
777 if ( iFocusedButton == EButtonRewind || |
|
778 iFocusedButton == EButtonForward ) |
|
779 { |
|
780 if ( iLastPointerEvent == EVRButtonDownEvent ) |
|
781 { |
|
782 StartTimerL(); |
|
783 } |
|
784 } |
|
785 } |
|
786 // for one error about touch UI, when click a dimmed button, the dimmed |
|
787 // button should not go back to umdimmed. |
|
788 else |
|
789 { |
|
790 DrawNow(); |
|
791 } |
|
792 } |
|
793 break; |
|
794 } |
|
795 default: |
|
796 { |
|
797 // No default behaviour |
|
798 break; |
|
799 } |
|
800 } |
|
801 |
|
802 } |
|
803 } |
|
804 |
|
805 |
|
806 // --------------------------------------------------------------------------- |
|
807 // CVRButtonPanel::HandlePointerEventL |
|
808 // Handles Button panel pointer events. True functionality is to stop |
|
809 // FastForward timer when FF should be stopped. |
|
810 // --------------------------------------------------------------------------- |
|
811 // |
|
812 void CVRButtonPanel::HandlePointerEventL( const TPointerEvent& aPointerEvent ) |
|
813 { |
|
814 if( AknLayoutUtils::PenEnabled() ) |
|
815 { |
|
816 |
|
817 |
|
818 switch( aPointerEvent.iType ) |
|
819 { |
|
820 case TPointerEvent::EButton1Down: |
|
821 { |
|
822 // Don't start timer here. It's started in HandleControlEventL() |
|
823 iLastPointerEvent = EVRButtonDownEvent; |
|
824 break; |
|
825 } |
|
826 case TPointerEvent::EDrag: |
|
827 { |
|
828 // Don't stop timer if just dragging inside the currently |
|
829 // focused button |
|
830 TRect focusedButtonRect( |
|
831 iVRButtons.At( iFocusedButton )->Rect() ); |
|
832 if( !focusedButtonRect.Contains( aPointerEvent.iPosition ) ) |
|
833 { |
|
834 // Dragged outside |
|
835 iLastPointerEvent = EVRButtonDragOutsideEvent; |
|
836 StopTimer(); |
|
837 } |
|
838 break; |
|
839 } |
|
840 case TPointerEvent::EButton1Up: |
|
841 { |
|
842 // Pen up |
|
843 iLastPointerEvent = EVRButtonUpEvent; |
|
844 StopTimer(); |
|
845 break; |
|
846 } |
|
847 default: |
|
848 { |
|
849 break; |
|
850 } |
|
851 } |
|
852 |
|
853 CCoeControl::HandlePointerEventL( aPointerEvent ); |
|
854 } |
|
855 } |
|
856 |
|
857 // End of file |