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1 /* |
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2 * Copyright (c) 2007 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: Main class for Control Bar component. |
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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 //<cmail> SF |
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20 #include "emailtrace.h" |
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21 #include <alf/alfevent.h> |
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22 #include <alf/alfdecklayout.h> |
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23 //</cmail> |
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24 #include <AknsConstants.h> |
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25 #include <AknUtils.h> |
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26 |
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27 #include "fscontrolbar.h" |
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28 #include "fscontrolbarmodel.h" |
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29 #include "fscontrolbarvisualiser.h" |
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30 #include "fscontrolbutton.h" |
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31 #include "fsgenericpanic.h" |
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32 #include "fscontrolbuttonconst.h" |
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33 #include "fstextstylemanager.h" |
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34 #include "fscontrolbuttonmodel.h" |
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35 #include "fslayoutmanager.h" |
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36 |
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37 |
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38 // ======== MEMBER FUNCTIONS ======== |
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39 |
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40 // --------------------------------------------------------------------------- |
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41 // Constructor. |
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42 // --------------------------------------------------------------------------- |
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43 // |
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44 // <cmail> Touch |
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45 CFsControlBar::CFsControlBar() : |
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46 iSelectedButton( KNoButtonFocused ), iTouchEnabled(ETrue) |
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47 // </cmail> |
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48 { |
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49 FUNC_LOG; |
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50 } |
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51 |
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52 |
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53 // --------------------------------------------------------------------------- |
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54 // Second phase constructor. |
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55 // --------------------------------------------------------------------------- |
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56 // |
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57 void CFsControlBar::ConstructL( CAlfEnv& aEnv ) |
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58 { |
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59 FUNC_LOG; |
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60 CAlfControl::ConstructL( aEnv ); |
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61 |
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62 iTextStyleManager = |
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63 CFsTextStyleManager::NewL( this->Env().TextStyleManager() ); |
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64 |
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65 // create model for controlBar |
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66 iModel = CFsControlBarModel::NewL(); |
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67 |
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68 // create visualiser for controlBar |
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69 iVisualiser = CFsControlBarVisualiser::NewL( *this, *iModel ); |
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70 |
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71 // Start listening TAlfActionCommand messages. |
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72 Env().AddActionObserverL( this ); |
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73 } |
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74 |
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75 |
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76 // --------------------------------------------------------------------------- |
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77 // Two-phased constructor. |
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78 // --------------------------------------------------------------------------- |
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79 // |
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80 EXPORT_C CFsControlBar* CFsControlBar::NewL( CAlfEnv& aEnv ) |
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81 { |
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82 FUNC_LOG; |
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83 CFsControlBar* self = CFsControlBar::NewLC( aEnv ); |
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84 CleanupStack::Pop( self ); |
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85 return self; |
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86 } |
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87 |
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88 |
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89 // --------------------------------------------------------------------------- |
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90 // Two-phased constructor. |
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91 // --------------------------------------------------------------------------- |
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92 // |
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93 EXPORT_C CFsControlBar* CFsControlBar::NewLC( CAlfEnv& aEnv ) |
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94 { |
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95 FUNC_LOG; |
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96 CFsControlBar* self = new (ELeave) CFsControlBar(); |
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97 CleanupStack::PushL( self ); |
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98 self->ConstructL( aEnv ); |
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99 return self; |
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100 } |
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101 |
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102 |
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103 // --------------------------------------------------------------------------- |
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104 // Destructor. |
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105 // --------------------------------------------------------------------------- |
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106 // |
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107 CFsControlBar::~CFsControlBar() |
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108 { |
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109 FUNC_LOG; |
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110 Env().RemoveActionObserver( this ); |
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111 delete iModel; |
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112 delete iVisualiser; |
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113 iObservers.Reset(); |
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114 delete iTextStyleManager; |
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115 } |
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116 |
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117 |
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118 // --------------------------------------------------------------------------- |
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119 // Adds new button to model. Panics if button with specified id already |
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120 // exists in model. |
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121 // --------------------------------------------------------------------------- |
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122 // |
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123 EXPORT_C void CFsControlBar::AddButtonL( |
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124 TInt aId, |
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125 TFsControlButtonType aType ) |
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126 { |
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127 FUNC_LOG; |
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128 if ( iModel->ExistsButtonWithId( aId ) ) |
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129 { |
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130 FsGenericPanic( EFsControlBarButtonWithSpecifiedIdAlreadyExists ); |
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131 User::Leave( KErrAlreadyExists ); |
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132 } |
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133 |
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134 if ( aId == ECBFirstFocusableButton ) |
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135 { |
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136 FsGenericPanic( EFsControlButtonIdRestricted ); |
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137 User::Leave( KErrArgument ); |
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138 } |
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139 |
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140 TRect targetRect( GetLayoutRect( iModel->Count() + 1 ) ); |
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141 CFsControlButton* button( |
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142 CFsControlButton::NewL( Env(), *this, aId, aType, targetRect, |
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143 *(iVisualiser->Layout() ), iTextStyleManager ) ); |
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144 button->SetParentIndex( iModel->Count() + 1 ); |
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145 |
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146 iModel->AddButtonL( *button ); |
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147 } |
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148 |
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149 |
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150 // --------------------------------------------------------------------------- |
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151 // Adds new button to model. |
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152 // --------------------------------------------------------------------------- |
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153 // |
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154 EXPORT_C TInt CFsControlBar::AddButtonL( TFsControlButtonType aType ) |
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155 { |
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156 FUNC_LOG; |
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157 TInt newId( iModel->GenerateButtonId() ); |
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158 |
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159 AddButtonL( newId, aType ); |
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160 |
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161 return newId; |
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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 // Removes button with specified id from model. Function RemoveButtonById |
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167 // panics if button with specified id doesn't exist in model. |
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168 // --------------------------------------------------------------------------- |
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169 // |
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170 EXPORT_C TInt CFsControlBar::RemoveButtonL( TInt aId ) |
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171 { |
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172 FUNC_LOG; |
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173 // if button is focused -> change focus to next |
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174 if ( iModel->ButtonById( aId )->IsFocused() ) |
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175 { |
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176 CFsControlButton* button( iModel->NextButton( aId ) ); |
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177 |
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178 if ( !button ) |
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179 { |
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180 button = iModel->PrevButton( aId ); |
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181 } |
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182 |
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183 ChangeFocusL( button ); |
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184 } |
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185 |
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186 TInt retVal( iModel->RemoveButtonById( aId ) ); |
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187 iVisualiser->RefreshL(); |
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188 |
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189 return retVal; |
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190 } |
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191 |
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192 |
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193 // --------------------------------------------------------------------------- |
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194 // Retrieves button with specified id from control bar. Panics if button |
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195 // with specified id doesn't exist in model. |
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196 // --------------------------------------------------------------------------- |
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197 // |
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198 EXPORT_C MFsControlButtonInterface* CFsControlBar::ButtonById( TInt aId ) |
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199 { |
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200 FUNC_LOG; |
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201 return iModel->ButtonById( aId ); |
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202 } |
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203 |
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204 |
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205 // --------------------------------------------------------------------------- |
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206 // Sets focus to first button. |
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207 // --------------------------------------------------------------------------- |
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208 // |
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209 EXPORT_C void CFsControlBar::SetFocusL( TBool aFocused ) |
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210 { |
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211 FUNC_LOG; |
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212 if ( aFocused ) |
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213 { |
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214 // Gain focus. |
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215 CFsControlButton* button( |
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216 iModel->ButtonById( ECBFirstFocusableButton ) ); |
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217 if ( button ) |
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218 { |
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219 SetFocusByIdL( button->Id() ); |
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220 } |
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221 } |
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222 else |
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223 { |
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224 // Lose focus. |
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225 if ( iModel->IsFocused() ) |
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226 { |
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227 LooseFocus( MFsControlBarObserver::EEventFocusLost ); |
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228 } |
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229 } |
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230 } |
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231 |
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232 |
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233 // --------------------------------------------------------------------------- |
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234 // Sets focus to specified button. |
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235 // --------------------------------------------------------------------------- |
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236 // |
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237 EXPORT_C void CFsControlBar::SetFocusByIdL( TInt aButtonId ) |
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238 { |
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239 FUNC_LOG; |
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240 TBool focusedAlready( iModel->IsFocused() ); |
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241 |
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242 if ( focusedAlready && iSelectedButton == aButtonId ) |
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243 { |
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244 // Button already has the focus. |
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245 return; |
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246 } |
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247 |
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248 CFsControlButton* button( iModel->ButtonById( aButtonId ) ); |
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249 |
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250 if ( !button ) |
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251 { |
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252 User::Leave( KErrNotFound ); |
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253 } |
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254 |
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255 // cannot set focus to button that is dimmed or not visible |
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256 if ( button->IsDimmed() || !button->IsVisible() ) |
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257 { |
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258 User::Leave( KErrNotSupported ); |
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259 } |
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260 |
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261 // bar already focused -> clear focus on button. |
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262 if ( focusedAlready ) |
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263 { |
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264 // clear focus on previous selected button |
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265 iModel->ButtonById( iSelectedButton )->SetFocus( EFalse ); |
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266 } |
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267 |
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268 button->SetFocus(); |
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269 iSelectedButton = aButtonId; |
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270 |
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271 if ( !focusedAlready ) |
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272 { |
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273 // set state for bar |
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274 iModel->SetFocus(); |
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275 // send event that bar is focused |
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276 NotifyObservers( |
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277 MFsControlBarObserver::EEventFocusGained, aButtonId ); |
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278 } |
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279 |
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280 iVisualiser->RefreshL(); |
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281 |
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282 // send event that selection changed |
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283 NotifyObservers( MFsControlBarObserver::EEventSelectionChanged ); |
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284 } |
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285 |
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286 |
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287 // --------------------------------------------------------------------------- |
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288 // Gets focused button or NULL if not focused. |
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289 // --------------------------------------------------------------------------- |
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290 // |
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291 EXPORT_C MFsControlButtonInterface* CFsControlBar::GetFocusedButton() const |
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292 { |
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293 FUNC_LOG; |
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294 MFsControlButtonInterface* focusedButton( NULL ); |
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295 |
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296 if( iModel->IsFocused() ) |
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297 { |
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298 focusedButton = iModel->ButtonById( iSelectedButton ); |
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299 } |
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300 |
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301 return focusedButton; |
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302 } |
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303 |
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304 |
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305 // --------------------------------------------------------------------------- |
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306 // Sets height of the bar in pixels. |
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307 // --------------------------------------------------------------------------- |
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308 // |
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309 EXPORT_C void CFsControlBar::SetHeightL( TInt aHeight ) |
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310 { |
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311 FUNC_LOG; |
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312 iModel->SetHeight( aHeight ); |
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313 iVisualiser->UpdateSizeL(); |
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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 // Retrieves height of the bar in pixels. |
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319 // --------------------------------------------------------------------------- |
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320 // |
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321 EXPORT_C TInt CFsControlBar::Height() const |
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322 { |
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323 FUNC_LOG; |
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324 return iModel->Size().iHeight; |
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325 } |
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326 |
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327 |
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328 // --------------------------------------------------------------------------- |
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329 // Sets width of the bar in pixels. |
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330 // --------------------------------------------------------------------------- |
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331 // |
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332 EXPORT_C void CFsControlBar::SetWidthL( TInt aWidth ) |
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333 { |
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334 FUNC_LOG; |
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335 iModel->SetWidth( aWidth ); |
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336 iVisualiser->UpdateSizeL(); |
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337 } |
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338 |
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339 |
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340 // --------------------------------------------------------------------------- |
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341 // Retrieves width of the bar in pixels. |
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342 // --------------------------------------------------------------------------- |
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343 // |
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344 EXPORT_C TInt CFsControlBar::Width() const |
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345 { |
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346 FUNC_LOG; |
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347 return iModel->Size().iWidth; |
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348 } |
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349 |
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350 |
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351 // --------------------------------------------------------------------------- |
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352 // Sets controlbar's background color. |
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353 // --------------------------------------------------------------------------- |
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354 // |
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355 EXPORT_C void CFsControlBar::SetBackgroundColor( const TRgb& aColor ) |
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356 { |
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357 FUNC_LOG; |
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358 iVisualiser->SetBackgroundColor( aColor ); |
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359 } |
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360 |
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361 |
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362 // --------------------------------------------------------------------------- |
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363 // Clears bar's background color. Bar is transparent. |
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364 // --------------------------------------------------------------------------- |
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365 // |
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366 EXPORT_C void CFsControlBar::ClearBackgroundColor() |
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367 { |
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368 FUNC_LOG; |
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369 iVisualiser->ClearBackgroundColor(); |
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370 } |
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371 |
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372 |
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373 // --------------------------------------------------------------------------- |
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374 // Sets bar's background image. |
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375 // --------------------------------------------------------------------------- |
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376 // |
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377 EXPORT_C void CFsControlBar::SetBackgroundImageL( CAlfTexture& aImage ) |
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378 { |
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379 FUNC_LOG; |
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380 iVisualiser->SetBackgroundImageL( aImage ); |
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381 } |
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382 |
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383 |
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384 // --------------------------------------------------------------------------- |
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385 // Clears bar's background image. |
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386 // --------------------------------------------------------------------------- |
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387 // |
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388 EXPORT_C void CFsControlBar::ClearBackgroundImage() |
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389 { |
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390 FUNC_LOG; |
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391 iVisualiser->ClearBackgroundImage(); |
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392 } |
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393 |
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394 |
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395 // --------------------------------------------------------------------------- |
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396 // Adds additional observer for the bar events. |
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397 // --------------------------------------------------------------------------- |
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398 // |
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399 EXPORT_C void CFsControlBar::AddObserverL( MFsControlBarObserver& aObserver ) |
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400 { |
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401 FUNC_LOG; |
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402 // add only if not already added. |
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403 if ( iObservers.Find( &aObserver ) == KErrNotFound ) |
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404 { |
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405 iObservers.AppendL( &aObserver ); |
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406 } |
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407 } |
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408 |
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409 |
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410 // --------------------------------------------------------------------------- |
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411 // Removes specified observer from the bar events. |
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412 // --------------------------------------------------------------------------- |
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413 // |
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414 EXPORT_C void CFsControlBar::RemoveObserver( |
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415 MFsControlBarObserver& aObserver ) |
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416 { |
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417 FUNC_LOG; |
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418 TInt index( iObservers.Find( &aObserver ) ); |
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419 |
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420 if ( index != KErrNotFound ) |
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421 { |
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422 iObservers.Remove( index ); |
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423 } |
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424 } |
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425 |
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426 |
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427 // --------------------------------------------------------------------------- |
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428 // Sets transition time for selector. |
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429 // --------------------------------------------------------------------------- |
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430 // |
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431 EXPORT_C void CFsControlBar::SetSelectorTransitionTimeL( |
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432 TInt aTransitionTime ) |
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433 { |
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434 FUNC_LOG; |
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435 iVisualiser->SetSelectorTransitionTimeL( aTransitionTime ); |
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436 } |
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437 |
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438 |
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439 // --------------------------------------------------------------------------- |
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440 // Sets selector's image and opacity. |
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441 // Ownership of the brush is gained. |
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442 // --------------------------------------------------------------------------- |
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443 // |
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444 EXPORT_C void CFsControlBar::SetSelectorImageL( |
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445 CAlfBrush* aSelectorBrush, |
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446 TReal32 aOpacity ) |
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447 { |
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448 FUNC_LOG; |
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449 iVisualiser->SetSelectorImageL( aSelectorBrush, aOpacity ); |
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450 } |
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451 |
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452 |
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453 // --------------------------------------------------------------------------- |
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454 // Retrieves amount of space in pixels from specified point to the end of the |
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455 // screen. |
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456 // --------------------------------------------------------------------------- |
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457 // |
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458 EXPORT_C CAlfVisual* CFsControlBar::Visual() |
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459 { |
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460 FUNC_LOG; |
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461 return iVisualiser->Layout(); |
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462 } |
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463 |
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464 |
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465 // --------------------------------------------------------------------------- |
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466 // Resolve the area reserved for requested layout slot. |
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467 // --------------------------------------------------------------------------- |
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468 // |
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469 TRect CFsControlBar::GetLayoutRect( TInt aIndex ) |
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470 { |
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471 FUNC_LOG; |
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472 CFsLayoutManager::TFsLayoutMetrics layoutItem; |
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473 switch( aIndex ) |
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474 { |
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475 case 1: |
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476 layoutItem = CFsLayoutManager::EFsLmMainSpFsCtrlbarPaneG1; |
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477 break; |
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478 case 2: |
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479 layoutItem = CFsLayoutManager::EFsLmMainSpFsCtrlbarDdmenuPane; |
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480 break; |
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481 case 3: |
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482 layoutItem = CFsLayoutManager::EFsLmMainSpFsCtrlbarButtonPaneCp01; |
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483 break; |
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484 case 4: |
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485 layoutItem = CFsLayoutManager::EFsLmMainSpFsCtrlbarPaneG2; |
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486 break; |
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487 default: |
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488 layoutItem = CFsLayoutManager::EFsLmMainSpFsCtrlbarPane; |
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489 break; |
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490 } |
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491 |
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492 TRect targetRect; |
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493 TRect parentRect; |
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494 |
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495 AknLayoutUtils::LayoutMetricsRect( |
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496 AknLayoutUtils::EScreen, parentRect ); |
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497 CFsLayoutManager::LayoutMetricsRect( parentRect, |
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498 CFsLayoutManager::EFsLmApplicationWindow, targetRect ); |
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499 parentRect = targetRect; |
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500 CFsLayoutManager::LayoutMetricsRect( parentRect, |
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501 CFsLayoutManager::EFsLmMainPane, targetRect ); |
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502 parentRect = targetRect; |
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503 CFsLayoutManager::LayoutMetricsRect( parentRect, |
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504 CFsLayoutManager::EFsLmMainSpFsCtrlbarPane, targetRect ); |
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505 parentRect = TRect( TPoint( 0, 0 ), targetRect.Size() ); |
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506 if ( CFsLayoutManager::EFsLmMainSpFsCtrlbarPane != layoutItem ) |
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507 { |
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508 CFsLayoutManager::LayoutMetricsRect( |
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509 parentRect, layoutItem, targetRect ); |
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510 } |
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511 |
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512 return targetRect; |
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513 } |
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514 |
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515 // <cmail> Touch |
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516 // --------------------------------------------------------------------------- |
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517 // Called to disable/enable touch events |
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518 // --------------------------------------------------------------------------- |
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519 // |
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520 EXPORT_C void CFsControlBar::EnableTouch(TBool aEnabled) |
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521 { |
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522 iTouchWasEnabled = EFalse; |
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523 iTouchEnabled = aEnabled; |
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524 } |
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525 // </cmail> |
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526 |
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527 // --------------------------------------------------------------------------- |
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528 // |
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529 // --------------------------------------------------------------------------- |
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530 // |
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531 EXPORT_C void CFsControlBar::MakeSelectorVisible( |
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532 TBool aShow, TBool aFromTouch ) |
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533 { |
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534 FUNC_LOG; |
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535 iVisualiser->MakeSelectorVisible( aShow, aFromTouch ); |
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536 } |
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537 |
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538 |
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539 // --------------------------------------------------------------------------- |
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540 // From MAlfActionObserver. |
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541 // Called by the scheduler when an action command is executed. |
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542 // --------------------------------------------------------------------------- |
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543 // |
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544 void CFsControlBar::HandleActionL( const TAlfActionCommand& aActionCommand ) |
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545 { |
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546 FUNC_LOG; |
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547 if ( KFsMessageLayoutChange == aActionCommand.Id() ) |
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548 { |
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549 iModel->UpdateButtonsPositions(); |
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550 iVisualiser->RefreshL( ETrue ); |
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551 } |
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552 } |
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553 |
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554 |
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555 // --------------------------------------------------------------------------- |
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556 // From class CHuiControl/CAlfControl. |
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557 // Notifies the control that one of the visuals it ows has been laid out. |
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558 // --------------------------------------------------------------------------- |
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559 // |
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560 void CFsControlBar::VisualLayoutUpdated( CAlfVisual& aVisual ) |
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561 { |
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562 FUNC_LOG; |
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563 TBool screenSizeChanged( EFalse ); |
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564 TInt displayAreaWidth( DisplayArea().Width() ); |
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565 |
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566 // We don't want more layout updates. Flag is set if the layout needs to |
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567 // be updated. |
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568 aVisual.ClearFlags( EAlfVisualFlagLayoutUpdateNotification ); |
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569 |
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570 if ( displayAreaWidth != iLastScreenWidth ) |
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571 { |
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572 iLastScreenWidth = displayAreaWidth; |
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573 screenSizeChanged = ETrue; |
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574 } |
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575 |
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576 if ( iVisualiser ) |
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577 { |
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578 TRAP_IGNORE( iVisualiser->RefreshL( screenSizeChanged ) ); |
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579 } |
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580 } |
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581 |
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582 |
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583 // --------------------------------------------------------------------------- |
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584 // From class CHuiControl/CAlfControl. |
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585 // Called when an input event is being offered to the control. |
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586 // --------------------------------------------------------------------------- |
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587 // |
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588 TBool CFsControlBar::OfferEventL( const TAlfEvent& aEvent ) |
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589 { |
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590 FUNC_LOG; |
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591 TBool eventHandled( EFalse ); |
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592 |
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593 // Bar not focused -> no key handling |
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594 if ( !iModel->IsFocused() ) |
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595 { |
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596 return eventHandled; |
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597 } |
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598 |
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599 if ( aEvent.IsKeyEvent() ) |
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600 { |
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601 CFsControlButton* button( NULL ); |
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602 |
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603 button = iModel->ButtonById( iSelectedButton ); |
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604 |
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605 if ( button && button->OfferEventL( aEvent ) ) |
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606 { |
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607 eventHandled = ETrue; |
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608 } |
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609 else |
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610 { |
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611 if ( EEventKey == aEvent.Code() ) |
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612 { |
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613 switch ( aEvent.KeyEvent().iScanCode ) |
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614 { |
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615 case EStdKeyLeftArrow: |
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616 { |
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617 button = iModel->PrevButton( iSelectedButton ); |
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618 ChangeFocusL( button ); |
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619 eventHandled = ETrue; |
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620 break; |
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621 } |
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622 |
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623 case EStdKeyRightArrow: |
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624 { |
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625 button = iModel->NextButton( iSelectedButton ); |
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626 ChangeFocusL( button ); |
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627 eventHandled = ETrue; |
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628 break; |
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629 } |
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630 |
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631 case EStdKeyDownArrow: |
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632 { |
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633 LooseFocus( |
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634 MFsControlBarObserver::EEventFocusLostAtBottom ); |
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635 eventHandled = ETrue; |
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636 break; |
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637 } |
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638 |
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639 default: |
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640 { |
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641 eventHandled = EFalse; |
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642 break; |
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643 } |
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644 } |
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645 } |
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646 } |
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647 } |
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648 else if( aEvent.IsPointerEvent() ) |
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649 { |
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650 const TInt buttonCount( iModel->Count() ); |
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651 TInt buttonIndex( 0 ); |
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652 for( ; buttonIndex < buttonCount && !eventHandled; ++buttonIndex ) |
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653 { |
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654 eventHandled = iModel->ButtonByIndex( |
|
655 buttonIndex )->OfferEventL( aEvent ); |
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656 } |
|
657 } |
|
658 |
|
659 |
|
660 return eventHandled; |
|
661 } |
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662 |
|
663 |
|
664 // --------------------------------------------------------------------------- |
|
665 // From class MFsControlButtonObserver. |
|
666 // Handles events from control buttons. |
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667 // --------------------------------------------------------------------------- |
|
668 // |
|
669 TBool CFsControlBar::HandleButtonEvent( |
|
670 TFsControlButtonEvent aEvent, |
|
671 TInt aButtonId ) |
|
672 { |
|
673 FUNC_LOG; |
|
674 TBool eventHandled( ETrue ); |
|
675 switch ( aEvent ) |
|
676 { |
|
677 // <cmail> Touch |
|
678 case EEventButtonTouchPressed: |
|
679 { |
|
680 MakeSelectorVisible( ETrue, ETrue ); |
|
681 if (iTouchEnabled) |
|
682 { |
|
683 iTouchWasEnabled = ETrue; |
|
684 CFsControlButton* button( iModel->ButtonById( aButtonId ) ); |
|
685 if( button && !button->IsFocused()) |
|
686 { |
|
687 TRAP_IGNORE( ChangeFocusL( button ) ); |
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688 MakeSelectorVisible( ETrue, ETrue ); |
|
689 NotifyObservers( MFsControlBarObserver::EEventTouchFocused, aButtonId ); |
|
690 } |
|
691 } |
|
692 else |
|
693 { |
|
694 eventHandled = iTouchWasEnabled = EFalse; |
|
695 } |
|
696 break; |
|
697 } |
|
698 // </cmail> |
|
699 |
|
700 case EEventButtonPressed: |
|
701 { |
|
702 NotifyObservers( |
|
703 MFsControlBarObserver::EEventButtonPressed, aButtonId ); |
|
704 break; |
|
705 } |
|
706 |
|
707 case EEventButton: |
|
708 { |
|
709 NotifyObservers( MFsControlBarObserver::EEventButton, aButtonId ); |
|
710 break; |
|
711 } |
|
712 |
|
713 // <cmail> Touch |
|
714 case EEventButtonTouchReleased: |
|
715 { |
|
716 if (iTouchEnabled && iTouchWasEnabled) |
|
717 { |
|
718 if( aButtonId > KErrNotFound ) |
|
719 { |
|
720 NotifyObservers( |
|
721 MFsControlBarObserver::EEventButtonTouched, aButtonId ); |
|
722 } |
|
723 else |
|
724 { |
|
725 MakeSelectorVisible( EFalse ); |
|
726 } |
|
727 } |
|
728 else |
|
729 { |
|
730 // Mark event not handled, because list might be waiting for this up event |
|
731 eventHandled = EFalse; |
|
732 } |
|
733 break; |
|
734 } |
|
735 // </cmail> |
|
736 |
|
737 case EEventButtonReleased: |
|
738 { |
|
739 NotifyObservers( |
|
740 MFsControlBarObserver::EEventButtonReleased, aButtonId ); |
|
741 break; |
|
742 } |
|
743 |
|
744 case EEventButtonVisibilityChanged: |
|
745 { |
|
746 CFsControlButton* button( iModel->ButtonById( aButtonId ) ); |
|
747 |
|
748 if ( button->IsVisible() ) |
|
749 { |
|
750 // Need to update visual order when a button changes it's |
|
751 // state from hidden to visible. |
|
752 iVisualiser->ReorderVisuals(); |
|
753 } |
|
754 |
|
755 TRAP_IGNORE( iVisualiser->RefreshL() ); |
|
756 } |
|
757 // Intended flow through. |
|
758 case EEventButtonDimmStateChanged: |
|
759 { |
|
760 // The focus is not needed to be changed if the selected button's |
|
761 // dimm state isn't changed. |
|
762 if ( aButtonId != iSelectedButton ) |
|
763 { |
|
764 break; |
|
765 } |
|
766 |
|
767 CFsControlButton* button( iModel->ButtonById( aButtonId ) ); |
|
768 |
|
769 if ( iModel->IsFocused() |
|
770 && ( button->IsDimmed() || !button->IsVisible() ) ) |
|
771 { |
|
772 const TBool mirrored( CFsLayoutManager::IsMirrored() ); |
|
773 button = mirrored |
|
774 ? iModel->PrevButton( aButtonId ) |
|
775 : iModel->NextButton( aButtonId ); |
|
776 |
|
777 if ( !button ) |
|
778 { |
|
779 button = mirrored |
|
780 ? iModel->NextButton( aButtonId ) |
|
781 : iModel->PrevButton( aButtonId ); |
|
782 } |
|
783 |
|
784 TRAP_IGNORE( ChangeFocusL( button ) ); |
|
785 } |
|
786 break; |
|
787 } |
|
788 |
|
789 default: |
|
790 { |
|
791 FsGenericPanic( EFsControlBarUnknownEvent ); |
|
792 break; |
|
793 } |
|
794 } |
|
795 return eventHandled; |
|
796 } |
|
797 |
|
798 |
|
799 // --------------------------------------------------------------------------- |
|
800 // Sends event to observers. |
|
801 // --------------------------------------------------------------------------- |
|
802 // |
|
803 void CFsControlBar::NotifyObservers( |
|
804 MFsControlBarObserver::TFsControlBarEvent aEvent, |
|
805 TInt aButtonId ) |
|
806 { |
|
807 FUNC_LOG; |
|
808 for ( TInt i = 0; i < iObservers.Count(); i++ ) |
|
809 { |
|
810 iObservers[i]->HandleControlBarEvent( aEvent, aButtonId ); |
|
811 } |
|
812 } |
|
813 |
|
814 |
|
815 // --------------------------------------------------------------------------- |
|
816 // Changes focus to another button or looses focus from control bar. |
|
817 // --------------------------------------------------------------------------- |
|
818 // |
|
819 void CFsControlBar::ChangeFocusL( CFsControlButton* aButton ) |
|
820 { |
|
821 FUNC_LOG; |
|
822 if ( aButton ) |
|
823 { |
|
824 // set focus to specified button |
|
825 SetFocusByIdL( aButton->Id() ); |
|
826 } |
|
827 else |
|
828 { |
|
829 // loose focus from bar |
|
830 LooseFocus( MFsControlBarObserver::EEventFocusLostAtSide ); |
|
831 } |
|
832 } |
|
833 |
|
834 |
|
835 // --------------------------------------------------------------------------- |
|
836 // Sets needed variables when bar loses focus. |
|
837 // --------------------------------------------------------------------------- |
|
838 // |
|
839 void CFsControlBar::LooseFocus( |
|
840 MFsControlBarObserver::TFsControlBarEvent aLooseFocusEvent ) |
|
841 { |
|
842 FUNC_LOG; |
|
843 if ( aLooseFocusEvent == MFsControlBarObserver::EEventFocusLostAtBottom |
|
844 || aLooseFocusEvent == MFsControlBarObserver::EEventFocusLostAtSide |
|
845 || aLooseFocusEvent == MFsControlBarObserver::EEventFocusLost ) |
|
846 { |
|
847 CFsControlButton* button( iModel->ButtonById( iSelectedButton ) ); |
|
848 |
|
849 if ( button ) |
|
850 { |
|
851 button->SetFocus( EFalse ); |
|
852 iSelectedButton = KNoButtonFocused; |
|
853 iModel->SetFocus( EFalse ); |
|
854 iVisualiser->HideSelector(); |
|
855 |
|
856 NotifyObservers( aLooseFocusEvent ); |
|
857 } |
|
858 } |
|
859 } |
|
860 |