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1 /* |
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2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Plugin interface for Music Player collection view. |
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15 * |
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16 */ |
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17 |
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18 #include <xqplugin.h> |
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19 |
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20 #include "mpcollectionviewplugin.h" |
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21 #include "mpcollectionview.h" |
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22 #include "mptrace.h" |
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23 |
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24 /*! |
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25 \class MpCollectionViewPlugin |
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26 \brief Plugin interface for Music Player collection view. |
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27 |
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28 Collection view plugin provides interface to the collection view |
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29 beyond a plugin interface for application and view separation. |
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30 */ |
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31 |
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32 /*! |
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33 \fn void command( int command ) |
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34 |
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35 This signal is emitted when the view issues a \a command to the |
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36 application such as request to switch to a different view. |
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37 */ |
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38 |
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39 /*! |
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40 Constructs the collection view plugin. |
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41 */ |
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42 MpCollectionViewPlugin::MpCollectionViewPlugin() |
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43 : mView(0), |
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44 mState(NullView) |
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45 { |
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46 TX_LOG |
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47 } |
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48 |
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49 /*! |
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50 Destructs the collection view plugin. |
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51 */ |
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52 MpCollectionViewPlugin::~MpCollectionViewPlugin() |
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53 { |
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54 TX_LOG |
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55 } |
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56 |
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57 /*! |
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58 Creates the collection view. |
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59 */ |
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60 void MpCollectionViewPlugin::createView() |
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61 { |
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62 TX_ENTRY |
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63 if ( mState == NullView ) { |
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64 mView = new MpCollectionView(); |
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65 connect( mView, SIGNAL(command(int)), this, SIGNAL(command(int)) ); |
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66 mState = Created; |
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67 } |
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68 TX_EXIT |
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69 } |
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70 |
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71 /*! |
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72 Destroys the collection view. |
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73 */ |
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74 void MpCollectionViewPlugin::destroyView() |
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75 { |
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76 TX_LOG |
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77 if ( mState != NullView ) { |
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78 delete mView; |
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79 mView = 0; |
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80 mState = NullView; |
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81 } |
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82 } |
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83 |
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84 /*! |
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85 Activates the collection view. View initialization is done very first time. |
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86 */ |
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87 void MpCollectionViewPlugin::activateView() |
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88 { |
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89 TX_ENTRY_ARGS("mState=" << mState); |
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90 switch ( mState ) { |
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91 case Created: |
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92 mView->initializeView(); |
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93 mView->activateView(); |
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94 mState = Activated; |
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95 break; |
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96 case Initialized: |
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97 mView->activateView(); |
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98 mState = Activated; |
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99 break; |
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100 default: |
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101 // Ignore |
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102 break; |
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103 } |
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104 TX_EXIT |
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105 } |
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106 |
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107 /*! |
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108 Deactivates the collection view. |
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109 */ |
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110 void MpCollectionViewPlugin::deactivateView() |
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111 { |
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112 TX_ENTRY |
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113 if ( mState == Activated ) { |
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114 mView->deactivateView(); |
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115 mState = Initialized; |
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116 } |
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117 TX_EXIT |
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118 } |
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119 |
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120 /*! |
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121 Returns pointer to QGraphicsWidget, which is the collection view. |
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122 The returned pointer is 0, if it is not created first. |
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123 |
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124 \sa createView() |
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125 */ |
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126 QGraphicsWidget* MpCollectionViewPlugin::getView() |
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127 { |
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128 return mView; |
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129 } |
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130 |
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131 /*! |
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132 Slot to be called when application orientation changes. |
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133 |
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134 \reimp |
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135 */ |
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136 void MpCollectionViewPlugin::orientationChange( Qt::Orientation orientation ) |
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137 { |
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138 TX_LOG |
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139 Q_UNUSED( orientation ); |
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140 } |
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141 |
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142 /*! |
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143 Slot to handle back command from softkey. |
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144 |
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145 \reimp |
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146 */ |
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147 void MpCollectionViewPlugin::back() |
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148 { |
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149 //do nothing, softkey is handled internally by the view. |
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150 TX_LOG |
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151 } |
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152 |
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153 XQ_EXPORT_PLUGIN2( mpcollectionviewplugin, MpCollectionViewPlugin ); |
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154 |