1 /* |
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2 * Copyright (c) 2007-2008 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: Widget Implementation |
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15 * |
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16 */ |
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17 |
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18 // Include Files |
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19 #include <alf/alfenv.h> |
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20 #include <alf/alfwidgetenvextension.h> |
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21 |
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22 // Class headers |
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23 #include "mulcoverflowwidget.h" |
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24 |
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25 // Mul Headers |
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26 #include "imulmodelaccessor.h" |
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27 #include "mulassert.h" |
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28 #include "mullog.h" //for logs |
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29 #include <mul/imulsliderwidget.h> |
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30 |
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31 // Local Headers |
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32 #include "mulbaseelement.h" |
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33 #include "mulcoverflowcontrol.h" |
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34 |
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35 namespace Alf |
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36 { |
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37 |
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38 // --------------------------------------------------------------------------- |
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39 // MulCoverFlowWidget |
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40 // --------------------------------------------------------------------------- |
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41 // |
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42 MulCoverFlowWidget::MulCoverFlowWidget( CAlfEnv& aEnv, |
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43 const char* aWidgetId, IAlfContainerWidget& aContainerWidget):AlfWidget(aWidgetId,aContainerWidget,aEnv) |
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44 { |
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45 mMulModelAccessor = NULL; |
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46 MUL_LOG_ENTRY_EXIT("aakash::MulCoverFlowWidget::MulCoverFlowWidget"); |
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47 mWidgetPropertyFlag = 0; //Initialization |
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48 |
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49 //Create default control |
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50 mCoverflowControl = new (EMM) MulCoverFlowControl( aEnv ); |
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51 setControl( mCoverflowControl,true ); |
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52 |
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53 // create Base element |
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54 mBaseElement = new (EMM) MulBaseElement( *mCoverflowControl, KBase ); |
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55 mTakesModelOwnership = false; |
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56 |
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57 } |
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58 |
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59 // --------------------------------------------------------------------------- |
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60 // ~MulCoverFlowWidget |
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61 // --------------------------------------------------------------------------- |
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62 // |
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63 MulCoverFlowWidget::~MulCoverFlowWidget() |
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64 { |
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65 MUL_LOG_ENTRY_EXIT("aakash::MulCoverFlowWidget::~MulCoverFlowWidget"); |
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66 // Control will be destroyed in the Widget deletion sequence. In that sequence |
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67 // Control's owner widget will be set to NULL. So,We cannot access the widget in |
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68 // the Coverflow control's destructor. So,This will be the right place to remove the |
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69 // model Observer. |
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70 |
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71 if( control() && model()) |
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72 { |
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73 ((IMulModelAccessor*)model())->RemoveModelObserver(static_cast<MulCoverFlowControl*>( control())); |
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74 } |
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75 if (mMulModelAccessor && mTakesModelOwnership) |
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76 { |
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77 delete mMulModelAccessor; |
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78 } |
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79 |
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80 IAlfWidgetFactory& widgetFactory = AlfWidgetEnvExtension::widgetFactory(*(CAlfEnv::Static())); |
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81 IAlfWidget* sliderWidget = widgetFactory.findWidget( KNameSliderWidget ); |
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82 |
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83 if(control()) |
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84 { |
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85 (static_cast<MulCoverFlowControl*>(control()))->DestroySlider(); |
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86 } |
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87 |
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88 if(sliderWidget) |
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89 { |
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90 widgetFactory.destroyWidget(sliderWidget); |
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91 } |
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92 } |
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93 |
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94 // --------------------------------------------------------------------------- |
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95 // parent |
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96 // --------------------------------------------------------------------------- |
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97 // |
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98 IAlfContainerWidget* MulCoverFlowWidget::parent() const |
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99 { |
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100 return AlfWidget::parent (); //return container widget |
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101 } |
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102 |
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103 // --------------------------------------------------------------------------- |
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104 // control |
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105 // --------------------------------------------------------------------------- |
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106 // |
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107 CAlfWidgetControl* MulCoverFlowWidget::control() const |
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108 { |
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109 //Call the base class method |
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110 return AlfWidget::control(); |
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111 } |
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112 |
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113 // --------------------------------------------------------------------------- |
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114 // setControl |
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115 // --------------------------------------------------------------------------- |
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116 // |
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117 void MulCoverFlowWidget::setControl( CAlfWidgetControl* aControl,bool aDeletePreviousControl ) |
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118 { |
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119 MUL_LOG_ENTRY_EXIT("aakash::MulCoverFlowWidget::setControl"); |
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120 AlfWidget::setControl( aControl,aDeletePreviousControl ); |
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121 } |
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122 |
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123 // --------------------------------------------------------------------------- |
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124 // model |
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125 // --------------------------------------------------------------------------- |
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126 // |
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127 IAlfModel* MulCoverFlowWidget::model() |
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128 { |
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129 return mMulModelAccessor; |
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130 } |
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131 |
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132 // --------------------------------------------------------------------------- |
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133 // setModel |
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134 // --------------------------------------------------------------------------- |
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135 // |
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136 void MulCoverFlowWidget::setModel( IAlfModel* /*aModel*/ , bool /*aTakeOwnership*/ ) |
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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 // widgetName |
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142 // --------------------------------------------------------------------------- |
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143 // |
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144 const char* MulCoverFlowWidget::widgetName() const |
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145 { |
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146 return AlfWidget::widgetName(); |
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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 // SetBackground |
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152 // --------------------------------------------------------------------------- |
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153 // |
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154 void MulCoverFlowWidget::SetBackground(const TRgb& aColor) |
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155 { |
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156 MUL_LOG_ENTRY_EXIT("aakash::MulCoverFlowWidget::SetBackground"); |
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157 |
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158 mBaseElement->SetBackground( aColor ); |
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159 } |
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160 |
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161 // --------------------------------------------------------------------------- |
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162 // SetBackground |
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163 // --------------------------------------------------------------------------- |
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164 // |
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165 void MulCoverFlowWidget::SetBackground(const TAknsItemID& aItemID) |
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166 { |
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167 MUL_LOG_ENTRY_EXIT("aakash::MulCoverFlowWidget::SetBackground"); |
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168 |
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169 mBaseElement->SetBackground( aItemID ); |
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170 } |
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171 // --------------------------------------------------------------------------- |
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172 // SetFlags |
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173 // --------------------------------------------------------------------------- |
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174 // |
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175 void MulCoverFlowWidget::SetFlags( unsigned int aAnyFlag ) |
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176 { |
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177 MUL_LOG_ENTRY_EXIT("aakash::MulCoverFlowWidget::SetFlags"); |
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178 mWidgetPropertyFlag |= aAnyFlag; |
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179 |
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180 // When the IMulMultiItemWidget::EMulWidgetFlagFastScroll flag is modified we should |
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181 // set the enable holding flag to gesture helper to recieve the hold events. |
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182 if(aAnyFlag == IMulMultiItemWidget::EMulWidgetFlagFastScroll) |
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183 { |
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184 mCoverflowControl->SetHoldingEnabled(); |
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185 } |
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186 else if(aAnyFlag == IMulMultiItemWidget::EMulWidgetDoubleTap) |
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187 { |
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188 mCoverflowControl->SetDoubleTapEnabled(true); |
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189 } |
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190 } |
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191 |
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192 // --------------------------------------------------------------------------- |
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193 // ClearFlags |
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194 // --------------------------------------------------------------------------- |
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195 // |
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196 void MulCoverFlowWidget::ClearFlags( unsigned int aAnyFlag ) |
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197 { |
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198 MUL_LOG_ENTRY_EXIT("aakash::MulCoverFlowWidget::ClearFlags"); |
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199 mWidgetPropertyFlag &= ~aAnyFlag; |
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200 if(aAnyFlag == IMulMultiItemWidget::EMulWidgetDoubleTap) |
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201 { |
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202 mCoverflowControl->SetDoubleTapEnabled(false); |
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203 } |
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204 else if(aAnyFlag == IMulMultiItemWidget::EMulWidgetFlagFastScroll) |
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205 { |
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206 mCoverflowControl->SetHoldingEnabled(); |
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207 } |
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208 } |
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209 |
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210 // --------------------------------------------------------------------------- |
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211 // IsFlagSet |
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212 // --------------------------------------------------------------------------- |
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213 // |
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214 bool MulCoverFlowWidget::IsFlagSet( TMulWidgetPropertiesFlag aAnyFlag ) const |
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215 { |
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216 MUL_LOG_ENTRY_EXIT("aakash::MulCoverFlowWidget::IsFlagSet"); |
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217 |
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218 return (mWidgetPropertyFlag & aAnyFlag); |
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219 |
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220 } |
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221 |
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222 // --------------------------------------------------------------------------- |
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223 // GetFlags |
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224 // --------------------------------------------------------------------------- |
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225 // |
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226 unsigned int MulCoverFlowWidget::GetFlags() const |
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227 { |
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228 MUL_LOG_ENTRY_EXIT("aakash::MulCoverFlowWidget::GetFlags"); |
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229 return mWidgetPropertyFlag; |
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230 } |
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231 |
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232 // --------------------------------------------------------------------------- |
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233 // SetRect |
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234 // --------------------------------------------------------------------------- |
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235 // |
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236 void MulCoverFlowWidget::SetRect( int /*aLeftMargin*/, int /*aTopmargin*/, int /*aHeight*/, |
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237 int /*aWidth*/, int /*aTransitionTime*/ ) |
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238 { |
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239 //@todo need to be removed once its removed from imulwidget. |
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240 } |
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241 // --------------------------------------------------------------------------- |
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242 // ShowWidget |
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243 // --------------------------------------------------------------------------- |
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244 // |
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245 void MulCoverFlowWidget::ShowWidget( bool aShow, int aTransitionTime ) |
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246 { |
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247 MUL_LOG_ENTRY_EXIT("aakash::MulCoverFlowWidget::ShowWidget"); |
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248 mBaseElement->ShowWidget( aShow,aTransitionTime ); |
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249 |
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250 // Reset the flag . Event handling gets disabled once the flag is reset to false. |
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251 mCoverflowControl->ResetShowWidgetFlag( aShow ); |
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252 } |
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253 |
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254 // --------------------------------------------------------------------------- |
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255 // SetModel |
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256 // --------------------------------------------------------------------------- |
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257 // |
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258 void MulCoverFlowWidget::SetModel( IMulModelAccessor* aAccessor, bool aFlag ) |
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259 { |
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260 MUL_LOG_ENTRY_EXIT("aakash::MulCoverFlowWidget::SetModel"); |
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261 |
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262 //remove from observing change from old model |
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263 if ( mMulModelAccessor != aAccessor ) |
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264 { |
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265 if (mMulModelAccessor && control()) |
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266 { |
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267 ((IMulModelAccessor*)model())->RemoveModelObserver(static_cast<MulCoverFlowControl*>( control())); |
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268 } |
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269 // Release the old model. |
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270 if (mTakesModelOwnership) |
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271 { |
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272 delete mMulModelAccessor; |
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273 } |
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274 // Set the new model. |
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275 mMulModelAccessor = aAccessor; |
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276 mTakesModelOwnership=aFlag; |
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277 } |
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278 else // just copy the ownership flag |
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279 { |
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280 if (mMulModelAccessor != NULL) |
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281 { |
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282 mTakesModelOwnership=aFlag; |
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283 } |
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284 } |
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285 |
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286 IMulSliderWidget* sliderWidget = static_cast<IMulSliderWidget*>(mCoverflowControl->GetSliderWidget()); |
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287 // cancel all previous commands (like marquee and bounce) |
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288 mCoverflowControl->Env().CancelCustomCommands(mCoverflowControl); |
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289 |
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290 if( aAccessor ) |
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291 { |
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292 mMulModelAccessor = aAccessor; |
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293 MUL_LOG_INFO("MUL::MulCoverFlowWidget::SetModel()::SetVisibleWindow "); |
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294 aAccessor->AddModelObserver(mCoverflowControl); |
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295 // Notify the control regarding model change. |
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296 mCoverflowControl->ModelChanged(aAccessor); |
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297 |
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298 if( aAccessor->CurrentItemCount() <= 0 ) |
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299 { |
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300 if(sliderWidget) |
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301 { |
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302 mBaseElement->ShowSlider(false); |
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303 } |
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304 } |
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305 } |
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306 else // For Null Model case |
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307 { |
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308 mCoverflowControl->RecycleVisuals(); |
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309 mBaseElement->ShowEmptyText( true ); |
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310 |
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311 if( sliderWidget ) |
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312 { |
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313 mBaseElement->ShowSlider(false); |
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314 } |
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315 } |
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316 } |
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317 |
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318 // --------------------------------------------------------------------------- |
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319 // GetIconSize |
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320 // --------------------------------------------------------------------------- |
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321 // |
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322 void MulCoverFlowWidget::GetIconSize( mulwidget::TLogicalTemplate aTemplateId, |
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323 mulvisualitem::TVisualAttribute aAttribute, int& aHeight, int& aWidth) |
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324 { |
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325 MUL_LOG_ENTRY_EXIT("aakash::MulCoverFlowWidget::GetIconSize"); |
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326 if((aAttribute == mulvisualitem::KMulIcon1) || |
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327 (aAttribute == mulvisualitem::KMulIndicator2)) |
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328 { |
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329 mBaseElement->GetIconSize(aTemplateId,aAttribute,aHeight,aWidth); |
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330 } |
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331 else |
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332 { |
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333 __MUL_ASSERT( false,KInvalidArgument); |
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334 } |
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335 } |
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336 |
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337 // --------------------------------------------------------------------------- |
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338 // GetIconSize |
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339 // --------------------------------------------------------------------------- |
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340 // |
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341 void MulCoverFlowWidget::GetIconSize(mulvisualitem::TVisualAttribute aAttribute, |
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342 int& aHeight, int& aWidth) |
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343 { |
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344 MUL_LOG_ENTRY_EXIT("aakash::MulCoverFlowWidget::GetIconSize"); |
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345 __MUL_ASSERT( mMulModelAccessor != 0,KTemplateNotFound); |
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346 if((aAttribute == mulvisualitem::KMulIcon1) || |
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347 (aAttribute == mulvisualitem::KMulIndicator2)) |
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348 { |
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349 mBaseElement->GetIconSize(mMulModelAccessor->Template(),aAttribute, |
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350 aHeight,aWidth); |
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351 } |
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352 else |
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353 { |
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354 __MUL_ASSERT( false,KInvalidArgument); |
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355 } |
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356 } |
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357 |
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358 // --------------------------------------------------------------------------- |
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359 // makeInterface |
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360 // --------------------------------------------------------------------------- |
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361 // |
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362 IAlfInterfaceBase* MulCoverFlowWidget::makeInterface( const IfId& /*aType*/ ) |
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363 { |
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364 return static_cast<IMulCoverFlowWidget*>( this ); |
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365 } |
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366 |
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367 // --------------------------------------------------------------------------- |
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368 // setChildFocus |
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369 // --------------------------------------------------------------------------- |
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370 // |
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371 void MulCoverFlowWidget::setChildFocus( bool /*aFocus*/ ) |
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372 { |
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373 // pure virtual function of base Class. |
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374 // not usefull for this widget |
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375 } |
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376 |
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377 void MulCoverFlowWidget::setPresentation(const char* /*aFilePath*/) |
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378 { |
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379 // pure virtual function of base Class. |
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380 // not usefull for this widget |
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381 } |
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382 |
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383 // --------------------------------------------------------------------------- |
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384 // AddEventHandler |
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385 // --------------------------------------------------------------------------- |
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386 // |
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387 void MulCoverFlowWidget::AddEventHandler( IAlfWidgetEventHandler& aObserver ) |
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388 { |
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389 control()->addEventHandler( &aObserver ); |
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390 } |
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391 |
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392 // --------------------------------------------------------------------------- |
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393 // RemoveEventHandler |
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394 // --------------------------------------------------------------------------- |
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395 // |
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396 void MulCoverFlowWidget::RemoveEventHandler( IAlfWidgetEventHandler& aObserver ) |
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397 { |
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398 control()->removeEventHandler( aObserver ); |
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399 } |
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400 // --------------------------------------------------------------------------- |
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401 // ContainerLayout |
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402 // --------------------------------------------------------------------------- |
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403 // |
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404 const CAlfLayout& MulCoverFlowWidget::ContainerLayout() |
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405 { |
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406 MUL_LOG_ENTRY_EXIT("aakash::MulCoverFlowWidget::ContainerLayout"); |
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407 CAlfLayout* layout=(CAlfLayout*)mBaseElement->findVisual(0); |
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408 return *layout; |
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409 } |
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410 // --------------------------------------------------------------------------- |
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411 // SetEmptyText |
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412 // --------------------------------------------------------------------------- |
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413 // |
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414 void MulCoverFlowWidget::SetEmptyText( const UString& aDefaultText) |
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415 { |
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416 MUL_LOG_ENTRY_EXIT("aakash::MulCoverFlowWidget::SetEmptyText"); |
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417 mBaseElement->SetEmptyText(aDefaultText); |
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418 } |
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419 |
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420 // --------------------------------------------------------------------------- |
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421 // SetMarkMode |
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422 // --------------------------------------------------------------------------- |
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423 // |
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424 void MulCoverFlowWidget::SetMarkMode(bool /*aFlag*/) |
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425 { |
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426 // Marking mode is not supported by coverflow widget. |
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427 } |
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428 |
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429 // --------------------------------------------------------------------------- |
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430 // IsMarkMode |
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431 // --------------------------------------------------------------------------- |
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432 // |
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433 bool MulCoverFlowWidget::IsMarkMode()const |
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434 { |
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435 // Marking mode is not supported by coverflow widget. |
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436 return false; |
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437 } |
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438 |
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439 // --------------------------------------------------------------------------- |
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440 // SetReorderMode |
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441 // --------------------------------------------------------------------------- |
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442 // |
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443 void MulCoverFlowWidget::SetReorderMode(TMulReOrderMode /*aReorderMode*/) |
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444 { |
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445 // reorder mode is not supported by coverflow widget. |
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446 } |
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447 |
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448 // --------------------------------------------------------------------------- |
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449 // IsReorderMode |
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450 // --------------------------------------------------------------------------- |
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451 // |
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452 bool MulCoverFlowWidget::IsReorderModeOn() const |
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453 { |
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454 // reorder mode is not supported by coverflow widget. |
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455 return false; |
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456 } |
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457 |
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458 // --------------------------------------------------------------------------- |
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459 // SetOverlay |
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460 // --------------------------------------------------------------------------- |
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461 // |
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462 void MulCoverFlowWidget::SetOverlay(TMulAttributeDataType /*aType*/, const UString& /*aAttribute*/, |
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463 const UString& /*aFormat*/) |
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464 { |
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465 // No implementation . |
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466 } |
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467 |
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468 // --------------------------------------------------------------------------- |
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469 // SetAnimationTime |
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470 // --------------------------------------------------------------------------- |
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471 // |
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472 void MulCoverFlowWidget::SetAnimationTime( TMulVisualEffect aVisualEffect, int aTransitionTime ) |
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473 { |
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474 MUL_LOG_ENTRY_EXIT("aakash::MulCoverFlowWidget::SetAnimationTime"); |
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475 // EHighlightTransition is used to set coverflow step scroll animation time. |
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476 if( aVisualEffect == EHighlightTransition ) |
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477 { |
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478 mBaseElement->SetScrollAnimationTime(aTransitionTime); |
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479 } |
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480 } |
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481 // --------------------------------------------------------------------------- |
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482 // SetUIOnOFF |
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483 // --------------------------------------------------------------------------- |
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484 // |
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485 void MulCoverFlowWidget::SetUIMode(bool UIOn, int aTransition ) |
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486 { |
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487 MUL_LOG_ENTRY_EXIT("aakash::MulCoverFlowWidget::SetUIMode"); |
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488 mBaseElement->UIOnOffMode( UIOn,aTransition ); |
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489 } |
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490 |
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491 // --------------------------------------------------------------------------- |
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492 // SetVisualColor |
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493 // --------------------------------------------------------------------------- |
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494 // |
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495 void MulCoverFlowWidget::SetVisualColor( TMulVisualType aVisualType , const TRgb& aColor ) |
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496 { |
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497 MUL_LOG_ENTRY_EXIT("aakash::MulCoverFlowWidget::SetVisualColor"); |
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498 switch(aVisualType) |
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499 { |
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500 case EItemBackgroundBrush: |
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501 { |
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502 mBaseElement->SetItemBrush(aColor); |
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503 } |
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504 break; |
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505 case ECoverflowCounterVisual: |
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506 { |
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507 mBaseElement->SetTextColor(ECounterVisual,aColor); |
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508 } |
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509 break; |
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510 case ETextVisual: |
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511 { |
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512 mBaseElement->SetTextColor(ETilteDetailTextVisual,aColor); |
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513 } |
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514 break; |
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515 default: |
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516 break; |
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517 |
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518 } |
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519 } |
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520 |
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521 // --------------------------------------------------------------------------- |
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522 // SetDefaultImage |
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523 // --------------------------------------------------------------------------- |
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524 // |
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525 void MulCoverFlowWidget::SetDefaultImage(int aTextureId) |
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526 { |
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527 MUL_LOG_ENTRY_EXIT("aakash::MulCoverFlowWidget::SetDefaultImage"); |
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528 mCoverflowControl->SetDefaultImage(aTextureId); |
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529 } |
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530 |
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531 // --------------------------------------------------------------------------- |
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532 // RotateImage |
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533 // --------------------------------------------------------------------------- |
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534 // |
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535 void MulCoverFlowWidget::RotateImage(TMulRotation aDirection,TSize aImageSize,int aAnimationTime) |
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536 { |
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537 MUL_LOG_ENTRY_EXIT("aakash::MulCoverFlowWidget::RotateImage"); |
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538 mBaseElement->RotateImage(aDirection,aImageSize,aAnimationTime); |
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539 } |
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540 |
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541 // --------------------------------------------------------------------------- |
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542 // Gesturehelper |
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543 // --------------------------------------------------------------------------- |
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544 // |
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545 GestureHelper::CGestureHelper* MulCoverFlowWidget::Gesturehelper() |
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546 { |
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547 return mCoverflowControl->Gesturehelper(); |
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548 } |
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549 |
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550 } //namespace alf |
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551 |
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552 //End of File |
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