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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 Button 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 |
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20 // <cmail> SF |
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21 #include "emailtrace.h" |
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22 #include <alf/alfevent.h> |
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23 #include <alf/alfdecklayout.h> |
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24 // </cmail> |
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25 // Needed for pointer events. |
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26 #include <alf/alfdisplay.h> |
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27 #include <alf/alfroster.h> |
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28 |
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29 #include <AknUtils.h> |
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30 |
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31 #include "fscontrolbutton.h" |
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32 #include "fscontrolbuttonmodel.h" |
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33 #include "fscontrolbuttonvisualiser.h" |
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34 #include "fscontrolbuttonobserver.h" |
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35 #include "fsgenericpanic.h" |
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36 #include "fstriggeredcomponent.h" |
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37 #include "fstextstylemanager.h" |
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38 #include "fslayoutmanager.h" |
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39 |
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40 |
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41 // ======== MEMBER FUNCTIONS ======== |
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42 |
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43 // --------------------------------------------------------------------------- |
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44 // Constructor. |
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45 // --------------------------------------------------------------------------- |
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46 // |
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47 CFsControlButton::CFsControlButton( |
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48 MFsControlButtonObserver& aParent, |
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49 CAlfDeckLayout& aParentLayout ) : |
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50 iParent( aParent ), |
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51 iParentLayout( aParentLayout ) |
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52 { |
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53 FUNC_LOG; |
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54 } |
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55 |
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56 |
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57 // --------------------------------------------------------------------------- |
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58 // Second phase constructor. |
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59 // --------------------------------------------------------------------------- |
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60 // |
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61 void CFsControlButton::ConstructL( |
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62 CAlfEnv& aEnv, |
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63 TInt aId, |
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64 TFsControlButtonType aType, |
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65 TRect& aStartPoint, |
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66 CFsTextStyleManager* aTextStyleManager ) |
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67 { |
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68 FUNC_LOG; |
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69 CAlfControl::ConstructL( aEnv ); |
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70 |
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71 iModel = CFsControlButtonModel::NewL( |
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72 aId, aType, aStartPoint, iParentLayout ); |
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73 |
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74 iVisualiser = CFsControlButtonVisualiser::NewL( |
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75 *this, iParentLayout, aTextStyleManager ); |
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76 iVisualiser->InitializeL( *iModel ); |
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77 } |
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78 |
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79 |
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80 // --------------------------------------------------------------------------- |
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81 // Two-phased constructor. |
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82 // --------------------------------------------------------------------------- |
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83 // |
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84 CFsControlButton* CFsControlButton::NewL( |
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85 CAlfEnv& aEnv, |
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86 MFsControlButtonObserver& aParent, |
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87 TInt aId, |
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88 TFsControlButtonType aType, |
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89 TRect& aStartPoint, |
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90 CAlfDeckLayout& aParentLayout, |
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91 CFsTextStyleManager* aTextStyleManager ) |
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92 { |
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93 FUNC_LOG; |
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94 CFsControlButton* self = |
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95 new( ELeave ) CFsControlButton( aParent, aParentLayout ); |
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96 CleanupStack::PushL( self ); |
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97 self->ConstructL( |
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98 aEnv, aId, aType, aStartPoint, aTextStyleManager ); |
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99 CleanupStack::Pop( self ); |
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100 return self; |
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101 } |
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102 |
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103 |
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104 // --------------------------------------------------------------------------- |
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105 // Destructor. |
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106 // --------------------------------------------------------------------------- |
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107 // |
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108 CFsControlButton::~CFsControlButton() |
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109 { |
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110 FUNC_LOG; |
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111 delete iModel; |
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112 delete iVisualiser; |
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113 } |
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114 |
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115 |
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116 // --------------------------------------------------------------------------- |
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117 // Sets first line of text in button. |
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118 // --------------------------------------------------------------------------- |
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119 // |
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120 void CFsControlButton::SetTextL( |
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121 const TDesC& aLabel, |
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122 TFsButtonContent aContent ) |
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123 { |
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124 FUNC_LOG; |
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125 iModel->SetTextL( aLabel, aContent ); |
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126 switch ( aContent ) |
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127 { |
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128 case EFsButtonFirstLine: |
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129 iVisualiser->UpdateElementL( ECBElemLabelFirstLine ); |
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130 break; |
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131 case EFsButtonSecondLine: |
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132 iVisualiser->UpdateElementL( ECBElemLabelSndLine ); |
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133 break; |
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134 default: |
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135 User::Leave( KErrNotSupported ); |
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136 break; |
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137 } |
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138 } |
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139 |
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140 |
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141 // --------------------------------------------------------------------------- |
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142 // Sets visualiser for the button. |
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143 // --------------------------------------------------------------------------- |
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144 // |
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145 void CFsControlButton::SetVisualiserL( |
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146 CFsControlButtonVisualiser* aVisualiser ) |
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147 { |
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148 FUNC_LOG; |
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149 __ASSERT_ALWAYS( aVisualiser, User::Leave( KErrArgument ) ); |
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150 |
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151 CFsControlButtonVisualiser* newVisualiser( aVisualiser ); |
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152 CleanupStack::PushL( newVisualiser ); |
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153 |
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154 newVisualiser->SetParentControlL( this ); |
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155 newVisualiser->SetParentLayoutL( &iParentLayout ); |
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156 newVisualiser->InitializeL( *iModel ); |
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157 |
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158 CleanupStack::Pop( newVisualiser ); |
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159 |
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160 delete iVisualiser; |
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161 iVisualiser = newVisualiser; |
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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 // Retrieves button's visualiser. |
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167 // --------------------------------------------------------------------------- |
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168 // |
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169 CFsControlButtonVisualiser* CFsControlButton::Visualiser() |
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170 { |
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171 FUNC_LOG; |
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172 return iVisualiser; |
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173 } |
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174 |
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175 |
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176 // --------------------------------------------------------------------------- |
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177 // Set the layout position index on controlbar. |
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178 // --------------------------------------------------------------------------- |
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179 // |
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180 void CFsControlButton::SetParentIndex( TInt aLayoutPos ) |
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181 { |
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182 FUNC_LOG; |
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183 iModel->SetParentIndex( aLayoutPos ); |
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184 } |
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185 |
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186 |
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187 // --------------------------------------------------------------------------- |
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188 // Retrieves id of the button. |
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189 // --------------------------------------------------------------------------- |
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190 // |
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191 TInt CFsControlButton::Id() const |
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192 { |
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193 FUNC_LOG; |
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194 return iModel->Id(); |
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195 } |
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196 |
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197 |
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198 // --------------------------------------------------------------------------- |
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199 // Sets icon A or B. Panics if button's type is incorrect. |
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200 // --------------------------------------------------------------------------- |
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201 // |
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202 void CFsControlButton::SetIconL( |
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203 CAlfTexture& aIcon, |
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204 TFsControlButtonElem aWhich ) |
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205 { |
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206 FUNC_LOG; |
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207 iModel->SetIconL( aIcon, aWhich ); |
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208 iVisualiser->UpdateElementL( aWhich ); |
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209 } |
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210 |
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211 |
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212 // --------------------------------------------------------------------------- |
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213 // Sets width of the button. |
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214 // --------------------------------------------------------------------------- |
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215 // |
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216 void CFsControlButton::SetWidth( TInt aWidth ) |
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217 { |
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218 FUNC_LOG; |
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219 iModel->SetAutoSizeMode( MFsControlButtonInterface::EFsManual ); |
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220 iModel->SetWidth( aWidth ); |
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221 iVisualiser->Refresh(); |
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222 } |
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223 |
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224 // <cmail> Platform layout changes |
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225 // --------------------------------------------------------------------------- |
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226 // Sets size of the button. |
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227 // --------------------------------------------------------------------------- |
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228 // |
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229 void CFsControlButton::SetSize( const TSize& aSize ) |
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230 { |
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231 FUNC_LOG; |
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232 iModel->SetAutoSizeMode( MFsControlButtonInterface::EFsManual ); |
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233 iModel->SetSize( aSize ); |
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234 iVisualiser->Refresh(); |
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235 } |
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236 // </cmail> Platform layout changes |
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237 |
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238 // --------------------------------------------------------------------------- |
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239 // Set auto size mode for button. |
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240 // Defines how the buttons size is changed. |
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241 // --------------------------------------------------------------------------- |
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242 // |
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243 void CFsControlButton::SetAutoSizeMode( TFsAutoSizeMode aAutoSizeMode ) |
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244 { |
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245 FUNC_LOG; |
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246 TBool refresh( aAutoSizeMode != iModel->AutoSizeMode() ); |
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247 iModel->SetAutoSizeMode( aAutoSizeMode ); |
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248 if ( refresh ) |
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249 { |
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250 iVisualiser->Refresh(); |
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251 } |
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252 } |
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253 |
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254 |
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255 // --------------------------------------------------------------------------- |
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256 // Sets focus to control button. |
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257 // --------------------------------------------------------------------------- |
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258 // |
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259 void CFsControlButton::SetFocus( TBool aState ) |
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260 { |
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261 FUNC_LOG; |
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262 iModel->SetFocus( aState ); |
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263 iVisualiser->Refresh(); |
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264 } |
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265 |
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266 |
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267 // --------------------------------------------------------------------------- |
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268 // Refresh the button's position. |
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269 // --------------------------------------------------------------------------- |
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270 // |
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271 void CFsControlButton::RefreshButtonPosition( TSize& aParentSize ) |
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272 { |
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273 FUNC_LOG; |
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274 iModel->RefreshButtonPosition( aParentSize ); |
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275 } |
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276 |
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277 |
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278 // --------------------------------------------------------------------------- |
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279 // Checks if button has focus. |
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280 // --------------------------------------------------------------------------- |
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281 // |
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282 TBool CFsControlButton::IsFocused() const |
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283 { |
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284 FUNC_LOG; |
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285 return iModel->IsFocused(); |
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286 } |
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287 |
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288 // <cmail> Platform layout changes |
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289 // --------------------------------------------------------------------------- |
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290 // Sets position of the button (top left point). |
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291 // --------------------------------------------------------------------------- |
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292 // |
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293 void CFsControlButton::SetPos( const TPoint& aTlPoint ) |
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294 { |
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295 FUNC_LOG; |
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296 iModel->SetPos( aTlPoint ); |
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297 iModel->SetAutoSizeMode( MFsControlButtonInterface::EFsManual ); |
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298 |
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299 // Refresh buttons position to apply mirroring to it. |
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300 TSize parent( iParentLayout.Size().Target().AsSize() ); |
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301 iModel->RefreshButtonPosition( parent ); |
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302 |
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303 iVisualiser->Refresh(); |
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304 } |
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305 // </cmail> Platform layout changes |
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306 |
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307 |
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308 // --------------------------------------------------------------------------- |
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309 // Retrieves position of button. |
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310 // --------------------------------------------------------------------------- |
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311 // |
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312 const TAlfTimedPoint CFsControlButton::Pos() const |
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313 { |
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314 FUNC_LOG; |
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315 return iVisualiser->Layout()->Pos(); |
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316 } |
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317 |
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318 |
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319 // --------------------------------------------------------------------------- |
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320 // Retrieves size of button. |
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321 // --------------------------------------------------------------------------- |
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322 // |
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323 const TAlfTimedPoint CFsControlButton::Size() const |
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324 { |
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325 FUNC_LOG; |
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326 return iVisualiser->Layout()->Size(); |
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327 } |
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328 |
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329 |
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330 // --------------------------------------------------------------------------- |
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331 // Sets component to button which will be triggered when button |
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332 // is pressed. |
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333 // --------------------------------------------------------------------------- |
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334 // |
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335 void CFsControlButton::SetTriggeredComponent( |
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336 MFsTriggeredComponent& aComponent ) |
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337 { |
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338 FUNC_LOG; |
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339 iTriggeredComponent = &aComponent; |
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340 } |
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341 |
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342 |
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343 // --------------------------------------------------------------------------- |
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344 // Clears triggered component. No more events to triggered |
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345 // component are sent. |
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346 // --------------------------------------------------------------------------- |
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347 // |
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348 void CFsControlButton::ClearTriggeredComponent() |
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349 { |
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350 FUNC_LOG; |
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351 iTriggeredComponent = NULL; |
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352 } |
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353 |
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354 |
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355 // --------------------------------------------------------------------------- |
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356 // Sets alignment of element. |
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357 // --------------------------------------------------------------------------- |
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358 // |
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359 void CFsControlButton::SetElemAlignL( |
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360 TFsControlButtonElem aButtonElem, |
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361 TAlfAlignHorizontal aHAlign, |
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362 TAlfAlignVertical aVAlign ) |
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363 { |
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364 FUNC_LOG; |
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365 iVisualiser->SetElemAlignL( aButtonElem, aHAlign, aVAlign ); |
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366 iVisualiser->Refresh(); |
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367 } |
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368 |
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369 |
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370 // --------------------------------------------------------------------------- |
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371 // Sets dimm state of the button. |
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372 // --------------------------------------------------------------------------- |
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373 // |
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374 void CFsControlButton::SetDimmed( TBool aDimmed ) |
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375 { |
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376 FUNC_LOG; |
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377 if ( aDimmed != IsDimmed() ) |
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378 { |
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379 iModel->SetDimmed( aDimmed ); |
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380 iVisualiser->Refresh(); |
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381 |
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382 iParent.HandleButtonEvent( |
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383 MFsControlButtonObserver::EEventButtonDimmStateChanged, |
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384 iModel->Id() ); |
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385 } |
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386 } |
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387 |
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388 |
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389 // --------------------------------------------------------------------------- |
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390 // Checks dimm state of the button. |
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391 // --------------------------------------------------------------------------- |
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392 // |
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393 TBool CFsControlButton::IsDimmed() const |
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394 { |
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395 FUNC_LOG; |
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396 return iModel->IsDimmed(); |
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397 } |
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398 |
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399 |
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400 // --------------------------------------------------------------------------- |
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401 // Shows (enables) button. |
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402 // --------------------------------------------------------------------------- |
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403 // |
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404 void CFsControlButton::ShowButtonL() |
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405 { |
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406 FUNC_LOG; |
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407 if ( !iVisualiser->IsVisible() ) |
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408 { |
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409 iVisualiser->ShowL(); |
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410 |
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411 iParent.HandleButtonEvent( |
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412 MFsControlButtonObserver::EEventButtonVisibilityChanged, |
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413 iModel->Id() ); |
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414 } |
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415 } |
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416 |
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417 |
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418 // --------------------------------------------------------------------------- |
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419 // Hides (disables) button. |
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420 // --------------------------------------------------------------------------- |
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421 // |
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422 void CFsControlButton::HideButton() |
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423 { |
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424 FUNC_LOG; |
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425 if ( iVisualiser->IsVisible() ) |
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426 { |
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427 iVisualiser->Hide(); |
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428 |
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429 iParent.HandleButtonEvent( |
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430 MFsControlButtonObserver::EEventButtonVisibilityChanged, |
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431 iModel->Id() ); |
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432 } |
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433 } |
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434 |
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435 |
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436 // --------------------------------------------------------------------------- |
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437 // Checks if button is visible or hidden. |
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438 // --------------------------------------------------------------------------- |
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439 // |
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440 TBool CFsControlButton::IsVisible() const |
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441 { |
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442 FUNC_LOG; |
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443 return iVisualiser->IsVisible(); |
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444 } |
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445 |
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446 |
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447 // --------------------------------------------------------------------------- |
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448 // Sets button's background image. |
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449 // --------------------------------------------------------------------------- |
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450 // |
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451 void CFsControlButton::SetBackgroundImageL( CAlfImageBrush* aImage ) |
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452 { |
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453 FUNC_LOG; |
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454 iVisualiser->SetBackgroundImageL( aImage ); |
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455 } |
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456 |
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457 |
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458 // --------------------------------------------------------------------------- |
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459 // Sets button's background color. |
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460 // --------------------------------------------------------------------------- |
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461 // |
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462 void CFsControlButton::SetBackgroundColor( const TRgb& aColor ) |
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463 { |
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464 FUNC_LOG; |
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465 iModel->SetTextColor( aColor, CFsControlButtonModel::EButtonBackground ); |
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466 iVisualiser->SetBackgroundColor( aColor ); |
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467 } |
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468 |
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469 |
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470 // --------------------------------------------------------------------------- |
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471 // Clears button's background color. Button is transparent. |
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472 // --------------------------------------------------------------------------- |
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473 // |
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474 void CFsControlButton::ClearBackgroundColor() |
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475 { |
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476 FUNC_LOG; |
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477 iVisualiser->ClearBackgroundColor(); |
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478 } |
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479 |
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480 |
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481 // --------------------------------------------------------------------------- |
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482 // Clears button's background image. |
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483 // --------------------------------------------------------------------------- |
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484 // |
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485 void CFsControlButton::ClearBackgroundImage() |
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486 { |
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487 FUNC_LOG; |
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488 iVisualiser->ClearBackgroundImage(); |
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489 } |
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490 |
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491 |
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492 // --------------------------------------------------------------------------- |
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493 // Retrieves text from control button. |
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494 // --------------------------------------------------------------------------- |
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495 // |
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496 TPtrC CFsControlButton::Text( TFsButtonContent aContent ) const |
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497 { |
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498 FUNC_LOG; |
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499 return iModel->Text( aContent ); |
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500 } |
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501 |
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502 |
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503 // --------------------------------------------------------------------------- |
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504 // Set new height for the button text. |
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505 // --------------------------------------------------------------------------- |
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506 // |
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507 void CFsControlButton::SetTextHeight( const TInt aTextHeight ) |
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508 { |
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509 FUNC_LOG; |
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510 iVisualiser->SetTextHeight( aTextHeight ); |
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511 } |
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512 |
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513 |
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514 // --------------------------------------------------------------------------- |
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515 // Change the current font. |
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516 // --------------------------------------------------------------------------- |
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517 // |
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518 void CFsControlButton::SetTextFontL( const TFontSpec& aFontSpec ) |
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519 { |
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520 FUNC_LOG; |
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521 iVisualiser->SetTextFontL( aFontSpec ); |
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522 } |
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523 |
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524 |
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525 // --------------------------------------------------------------------------- |
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526 // Set button's text color when it's not focused or dimmed. |
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527 // --------------------------------------------------------------------------- |
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528 // |
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529 void CFsControlButton::SetNormalTextColor( const TRgb& aColor ) |
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530 { |
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531 FUNC_LOG; |
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532 iModel->SetTextColor( aColor, CFsControlButtonModel::EButtonNormal ); |
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533 iVisualiser->Refresh(); |
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534 } |
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535 |
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536 |
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537 // --------------------------------------------------------------------------- |
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538 // Set button's text color when it's focused. |
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539 // --------------------------------------------------------------------------- |
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540 // |
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541 void CFsControlButton::SetFocusedTextColor( const TRgb& aColor ) |
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542 { |
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543 FUNC_LOG; |
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544 iModel->SetTextColor( aColor, CFsControlButtonModel::EButtonFocused ); |
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545 iVisualiser->Refresh(); |
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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 // Set button's text color when it's dimmed. |
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551 // --------------------------------------------------------------------------- |
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552 // |
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553 void CFsControlButton::SetDimmedTextColor( const TRgb& aColor ) |
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554 { |
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555 FUNC_LOG; |
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556 iModel->SetTextColor( aColor, CFsControlButtonModel::EButtonDimmed ); |
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557 iVisualiser->Refresh(); |
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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 // Retrieves control button type. |
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563 // --------------------------------------------------------------------------- |
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564 // |
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565 TFsControlButtonType CFsControlButton::ControlButtonType() const |
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566 { |
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567 FUNC_LOG; |
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568 return iModel->Type(); |
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569 } |
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570 |
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571 // <cmail> Touch |
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572 // --------------------------------------------------------------------------- |
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573 // Returns this as CAlfControl |
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574 // --------------------------------------------------------------------------- |
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575 // |
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576 CAlfControl* CFsControlButton::AsAlfControl() |
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577 { |
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578 return this; |
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579 } |
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580 // </cmail> |
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581 |
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582 // --------------------------------------------------------------------------- |
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583 // |
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584 // --------------------------------------------------------------------------- |
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585 // |
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586 void CFsControlButton::MakeFocusVisible( TBool aShow ) |
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587 { |
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588 FUNC_LOG; |
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589 iVisualiser->MakeFocusVisible( aShow ); |
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590 } |
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591 |
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592 // --------------------------------------------------------------------------- |
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593 // From class CHuiControl/CAlfControl. |
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594 // Called when an input event is being offered to the control. |
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595 // --------------------------------------------------------------------------- |
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596 // |
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597 TBool CFsControlButton::OfferEventL( const TAlfEvent& aEvent ) |
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598 { |
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599 FUNC_LOG; |
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600 TBool result( EFalse ); |
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601 |
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602 // no key handling when not shown or dimmed. |
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603 if ( !IsVisible() || IsDimmed() ) |
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604 { |
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605 return result; |
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606 } |
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607 |
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608 if ( aEvent.IsKeyEvent() ) |
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609 { |
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610 switch ( aEvent.Code() ) |
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611 { |
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612 case EEventKeyDown: |
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613 { |
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614 if ( aEvent.KeyEvent().iScanCode == EStdKeyDevice3 ) |
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615 { |
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616 iParent.HandleButtonEvent( |
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617 MFsControlButtonObserver::EEventButtonPressed, |
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618 -1 ); |
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619 result = ETrue; |
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620 } |
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621 break; |
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622 } |
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623 |
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624 case EEventKey: |
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625 { |
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626 if ( aEvent.KeyEvent().iScanCode == EStdKeyDevice3 ) |
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627 { |
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628 iParent.HandleButtonEvent( |
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629 MFsControlButtonObserver::EEventButton, |
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630 iModel->Id() ); |
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631 result = ETrue; |
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632 |
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633 if ( iTriggeredComponent ) |
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634 { |
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635 iTriggeredComponent->OpenComponent(); |
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636 } |
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637 } |
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638 break; |
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639 } |
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640 |
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641 case EEventKeyUp: |
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642 { |
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643 if ( aEvent.KeyEvent().iScanCode == EStdKeyDevice3 ) |
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644 { |
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645 iParent.HandleButtonEvent( |
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646 MFsControlButtonObserver::EEventButtonReleased, |
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647 -1 ); |
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648 result = ETrue; |
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649 } |
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650 break; |
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651 } |
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652 |
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653 default: |
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654 { |
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655 // event not consumed - result still got value EFalse |
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656 break; |
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657 } |
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658 } |
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659 } |
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660 else if ( aEvent.IsPointerEvent() ) |
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661 { |
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662 const TPointerEvent& pointerEvent( aEvent.PointerEvent() ); |
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663 switch (pointerEvent.iType) |
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664 { |
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665 case TPointerEvent::EButton1Down: |
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666 { |
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667 if( HitTest( aEvent.PointerEvent().iParentPosition ) ) |
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668 { |
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669 iTouchPressed = ETrue; |
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670 GrabPointerEvents( ETrue ); |
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671 result = iParent.HandleButtonEvent( |
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672 MFsControlButtonObserver::EEventButtonTouchPressed, |
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673 iModel->Id() ); |
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674 } |
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675 break; |
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676 } |
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677 case TPointerEvent::EButton1Up: |
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678 { |
|
679 if( iTouchPressed ) |
|
680 { |
|
681 GrabPointerEvents( EFalse ); |
|
682 |
|
683 TInt buttonId( KErrNotFound ); |
|
684 if( HitTest( aEvent.PointerEvent().iParentPosition ) ) |
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685 { |
|
686 buttonId = iModel->Id(); |
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687 } |
|
688 result = iParent.HandleButtonEvent( |
|
689 MFsControlButtonObserver::EEventButtonTouchReleased, |
|
690 buttonId ); |
|
691 iTouchPressed = EFalse; |
|
692 } |
|
693 break; |
|
694 } |
|
695 default: |
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696 { |
|
697 break; |
|
698 } |
|
699 } |
|
700 } |
|
701 return result; |
|
702 } |
|
703 |
|
704 // --------------------------------------------------------------------------- |
|
705 // |
|
706 // --------------------------------------------------------------------------- |
|
707 // |
|
708 void CFsControlButton::GrabPointerEvents( TBool aGrab ) |
|
709 { |
|
710 CAlfDisplay* display = Display(); |
|
711 if( display ) |
|
712 { |
|
713 if ( aGrab ) |
|
714 { |
|
715 display->Roster().AddPointerEventObserver( |
|
716 EAlfPointerEventReportUnhandled, *this ); |
|
717 } |
|
718 else |
|
719 { |
|
720 display->Roster().RemovePointerEventObserver( |
|
721 EAlfPointerEventReportUnhandled, *this ); |
|
722 } |
|
723 } |
|
724 } |