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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: |
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15 * |
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16 */ |
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17 |
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18 // System includes |
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19 |
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20 // User includes |
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21 #include "radiofadinglabel.h" |
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22 #include "radiologger.h" |
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23 #include "radioutil.h" |
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24 |
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25 // Constants |
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26 const QString HIDE_EFFECT = "hide"; |
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27 const QString SHOW_EFFECT = "show"; |
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28 |
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29 #ifdef USE_DEPRECATED_ORBIT_APIS |
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30 # define SET_CONTENT setText |
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31 # define GET_CONTENT text |
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32 #else |
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33 # define SET_CONTENT setHtml |
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34 # define GET_CONTENT html |
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35 #endif // USE_DEPRECATED_ORBIT_APIS |
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36 |
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37 /*! |
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38 * |
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39 */ |
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40 RadioFadingLabel::RadioFadingLabel( QGraphicsItem* parent ) : |
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41 HbLabel( parent ), |
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42 mFadingEnabled( false ) |
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43 { |
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44 QEffectList effectList; |
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45 // effectList.append( EffectInfo( this, ":/effects/fade_in.fxml", SHOW_EFFECT ) ); |
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46 // effectList.append( EffectInfo( this, ":/effects/fade_out.fxml", HIDE_EFFECT ) ); |
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47 RadioUtil::addEffects( effectList ); |
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48 } |
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49 |
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50 /*! |
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51 * |
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52 */ |
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53 void RadioFadingLabel::setFadingEnabled( bool fading ) |
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54 { |
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55 mFadingEnabled = fading; |
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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 */ |
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61 void RadioFadingLabel::setTextWithoutFading( const QString& newText ) |
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62 { |
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63 HbLabel::SET_CONTENT( trimHtml( newText ) ); |
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64 if ( newText.isEmpty() && mFadingEnabled ) { |
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65 setOpacity( 0.0 ); |
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66 } |
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67 } |
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68 |
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69 /*! |
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70 * Public slot |
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71 * |
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72 */ |
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73 void RadioFadingLabel::setText( const QString& newText ) |
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74 { |
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75 if( GET_CONTENT().compare( newText ) != 0 && // Text is different |
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76 parentItem() && parentItem()->isVisible() && // Parent is visible |
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77 mFadingEnabled ) { // Fading is enabled |
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78 if ( newText.isEmpty() ) { |
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79 if ( isVisible() ) { |
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80 mTextHolder = ""; |
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81 startEffect( HIDE_EFFECT, "effectFinished" ); |
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82 } |
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83 } else { |
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84 if ( GET_CONTENT().isEmpty() ) { |
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85 HbLabel::SET_CONTENT( trimHtml( newText ) ); |
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86 startEffect( SHOW_EFFECT ); |
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87 } else { |
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88 mTextHolder = newText; |
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89 startEffect( HIDE_EFFECT, "effectFinished" ); |
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90 } |
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91 } |
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92 } else { |
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93 HbLabel::SET_CONTENT( trimHtml( newText ) ); |
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94 } |
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95 } |
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96 |
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97 /*! |
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98 * Private slot |
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99 * |
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100 */ |
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101 void RadioFadingLabel::effectFinished( HbEffect::EffectStatus status ) |
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102 { |
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103 if ( status.reason == Hb::EffectFinished ) { |
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104 HbLabel::SET_CONTENT( trimHtml( mTextHolder ) ); |
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105 if ( !mTextHolder.isEmpty() ) { |
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106 HbEffect::start( this, SHOW_EFFECT ); |
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107 } |
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108 mTextHolder = ""; |
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109 } |
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110 } |
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111 |
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112 /*! |
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113 * |
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114 */ |
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115 void RadioFadingLabel::startEffect( const QString& effectName, const char* slot ) |
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116 { |
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117 if ( HbEffect::effectRunning( this ) ) { |
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118 HbEffect::cancel( this ); |
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119 } |
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120 if ( slot ) { |
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121 HbEffect::start( this, effectName, this, slot ); |
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122 } else { |
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123 HbEffect::start( this, effectName ); |
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124 } |
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125 } |
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126 |
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127 /*! |
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128 * |
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129 */ |
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130 QString RadioFadingLabel::trimHtml( const QString& text ) |
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131 { |
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132 #ifdef USE_DEPRECATED_ORBIT_APIS |
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133 return text; |
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134 #else |
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135 return "<font color=\"white\">" + text + "</font>"; |
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136 #endif // USE_DEPRECATED_ORBIT_APIS |
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137 } |