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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 #include <HbProgressDialog> |
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20 #include <QTimer> |
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21 #include <HbLabel> |
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22 #include <HbPushButton> |
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23 #include <HbMessageBox> |
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24 |
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25 // User includes |
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26 #include "radiofrequencyscanner.h" |
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27 #include "radioscannerengine.h" |
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28 #include "radiouiengine.h" |
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29 #include "radiologger.h" |
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30 #include "radiostationmodel.h" |
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31 #include "radiofrequencystrip.h" |
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32 #include "radiostationcarousel.h" |
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33 #include "radioutil.h" |
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34 #include "radiomainview.h" |
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35 |
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36 // Constants |
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37 const int EXTRA_TO_PROGRESS_MAX_VALUE = 100000; |
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38 const int CAROUSEL_FINISH_SCROLL_TIME = 1000; |
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39 const int STRIP_FINISH_SCROLL_TIME = 1100; |
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40 const int CAROUSEL_SCROLL_TIME = 1000; |
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41 const int STRIP_SCROLL_TIME = 1100; |
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42 const int START_DELAY = 1000; |
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43 |
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44 /*! |
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45 * |
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46 */ |
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47 RadioFrequencyScanner::RadioFrequencyScanner( RadioUiEngine& uiEngine, QObject* parent ) : |
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48 QObject( parent ), |
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49 mUiEngine( uiEngine ), |
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50 mInMainView( parent->metaObject()->className() == RadioMainView::staticMetaObject.className() ), |
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51 mScannerEngine( mUiEngine.createScannerEngine() ), |
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52 mStripScrollTime( 0 ), |
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53 mCarouselScrollTime( 0 ), |
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54 mIsAlive( false ), |
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55 mUserCanceled( false ) |
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56 { |
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57 RadioUtil::setFrequencyScanner( this ); |
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58 |
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59 Radio::connect( mScannerEngine.data(), SIGNAL(stationFound(RadioStation)), |
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60 this, SLOT(updateScanProgress(RadioStation)) ); |
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61 } |
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62 |
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63 /*! |
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64 * |
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65 */ |
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66 RadioFrequencyScanner::~RadioFrequencyScanner() |
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67 { |
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68 RadioUtil::setScanStatus( Scan::NotScanning ); |
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69 } |
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70 |
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71 /*! |
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72 * |
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73 */ |
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74 void RadioFrequencyScanner::startScanning() |
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75 { |
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76 mIsAlive = true; |
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77 RadioFrequencyStrip* frequencyStrip = RadioUtil::frequencyStrip(); |
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78 RadioStationCarousel* carousel = RadioUtil::carousel(); |
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79 |
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80 if ( mInMainView ) { |
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81 |
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82 // If this is the first time start, bring application to foreground |
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83 if ( mUiEngine.isFirstTimeStart() ) { |
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84 static_cast<RadioMainView*>( parent() )->bringToForeground(); |
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85 } |
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86 |
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87 RadioUtil::setScanStatus( Scan::ScanningInMainView ); |
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88 mStripScrollTime = frequencyStrip->autoScrollTime(); |
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89 mCarouselScrollTime = carousel->autoScrollTime(); |
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90 |
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91 carousel->setScanningMode( true ); |
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92 carousel->setAutoScrollTime( CAROUSEL_SCROLL_TIME ); |
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93 frequencyStrip->setAutoScrollTime( STRIP_SCROLL_TIME ); |
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94 |
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95 Radio::connect( carousel, SIGNAL(scanAnimationFinished()), |
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96 this, SLOT(continueScanning()) ); |
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97 |
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98 static_cast<RadioMainView*>( parent() )->setScanningMode( true ); |
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99 frequencyStrip->setScanningMode( true ); |
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100 } else { |
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101 RadioUtil::setScanStatus( Scan::ScanningInStationsView ); |
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102 mScanningProgressNote = new HbProgressDialog( HbProgressDialog::ProgressDialog ); |
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103 mScanningProgressNote.data()->setModal( true ); |
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104 mScanningProgressNote.data()->setAutoClose( true ); |
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105 |
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106 // Add some extra to the maximum value to allow room for the station at the low band edge |
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107 mScanningProgressNote.data()->setRange( mUiEngine.minFrequency(), mUiEngine.maxFrequency() + EXTRA_TO_PROGRESS_MAX_VALUE ); |
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108 mScanningProgressNote.data()->setProgressValue( mUiEngine.minFrequency() ); |
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109 mScanningProgressNote.data()->setText( hbTrId( "txt_rad_info_searching_local_stations_please_wait" ) ); |
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110 mScanningProgressNote.data()->setAttribute( Qt::WA_DeleteOnClose, true ); |
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111 mScanningProgressNote.data()->open(); |
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112 |
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113 Radio::connect( mScanningProgressNote.data(), SIGNAL(cancelled()), |
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114 this, SLOT(cancelScanning()) ); |
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115 } |
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116 |
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117 QTimer::singleShot( START_DELAY, this, SLOT(delayedStart()) ); |
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118 } |
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119 |
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120 /*! |
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121 * |
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122 */ |
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123 bool RadioFrequencyScanner::isAlive() const |
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124 { |
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125 return mIsAlive; |
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126 } |
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127 |
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128 /*! |
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129 * Public slot |
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130 * |
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131 */ |
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132 void RadioFrequencyScanner::cancelScanning() |
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133 { |
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134 mUserCanceled = true; |
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135 RadioUtil::carousel()->cancelAnimation(); |
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136 finishScanning(); |
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137 } |
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138 |
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139 /*! |
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140 * Private slot |
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141 * |
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142 */ |
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143 void RadioFrequencyScanner::delayedStart() |
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144 { |
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145 mScannerEngine->startScanning(); |
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146 } |
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147 |
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148 /*! |
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149 * Private slot |
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150 * |
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151 */ |
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152 void RadioFrequencyScanner::updateScanProgress( const RadioStation& station ) |
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153 { |
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154 if ( !station.isValid() ) { |
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155 finishScanning(); |
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156 return; |
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157 } |
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158 |
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159 const uint frequency = station.frequency(); |
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160 LOG_FORMAT( "RadioFrequencyScanner::updateScanAndSaveProgress frequency: %d", frequency ); |
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161 |
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162 if ( mInMainView ) { |
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163 |
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164 RadioUtil::frequencyStrip()->setFrequency( frequency, TuneReason::StationScan ); |
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165 RadioUtil::carousel()->animateNewStation( station ); |
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166 |
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167 } else { |
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168 // Check for special case that can happen during scanning. |
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169 // If there is a valid radio station at the low frequency band edge it will be reported last after |
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170 // all of the higher frequencies. We don't update the progress value here because the value would |
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171 // be lower than the previous one. The progress value is set to maximum when the scanner finishes. |
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172 if ( frequency != mUiEngine.minFrequency() ) { |
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173 mScanningProgressNote.data()->setProgressValue( frequency ); |
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174 } |
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175 |
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176 mScannerEngine->continueScanning(); |
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177 } |
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178 } |
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179 |
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180 /*! |
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181 * Private slot |
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182 * |
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183 */ |
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184 void RadioFrequencyScanner::continueScanning() |
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185 { |
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186 if ( !mUserCanceled ) { |
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187 RadioUtil::frequencyStrip()->addScannedStation( mUiEngine.stationModel().currentStation().frequency() ); |
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188 mScannerEngine->continueScanning(); |
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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 * Private slot |
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194 * |
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195 */ |
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196 void RadioFrequencyScanner::restoreUiControls() |
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197 { |
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198 if ( mInMainView ) { |
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199 disconnect( RadioUtil::carousel(), SIGNAL(scrollingEnded()), this, 0 ); |
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200 |
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201 RadioUtil::frequencyStrip()->setScanningMode( false ); |
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202 static_cast<RadioMainView*>( parent() )->setScanningMode( false ); |
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203 RadioUtil::carousel()->setScanningMode( false ); |
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204 } |
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205 |
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206 deleteLater(); |
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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 */ |
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212 void RadioFrequencyScanner::finishScanning() |
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213 { |
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214 mScannerEngine->cancel(); |
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215 RadioUtil::setScanStatus( Scan::NotScanning ); |
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216 RadioUtil::setFrequencyScanner( NULL ); |
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217 RadioFrequencyStrip* frequencyStrip = RadioUtil::frequencyStrip(); |
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218 RadioStationCarousel* carousel = RadioUtil::carousel(); |
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219 |
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220 disconnect( mScannerEngine.data(), SIGNAL(stationFound(RadioStation)), this, 0 ); |
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221 |
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222 RadioStationModel& model = mUiEngine.stationModel(); |
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223 const int stationCount = model.rowCount(); |
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224 |
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225 if ( mInMainView ) { |
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226 |
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227 disconnect( carousel, SIGNAL(scanAnimationFinished()), this, 0 ); |
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228 |
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229 // Scroll the carousel and frequency strip through all of the scanned stations |
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230 if ( stationCount > 1 ) { |
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231 frequencyStrip->setAutoScrollTime( STRIP_FINISH_SCROLL_TIME ); |
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232 carousel->setAutoScrollTime( CAROUSEL_FINISH_SCROLL_TIME ); |
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233 |
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234 Radio::connect( carousel, SIGNAL(scrollingEnded()), |
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235 this, SLOT(restoreUiControls()) ); |
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236 |
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237 const uint frequency = model.stationAt( 0 ).frequency(); |
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238 |
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239 mUiEngine.setFrequency( frequency, TuneReason::StationScanFinalize ); |
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240 frequencyStrip->setFrequency( frequency, TuneReason::StationScanFinalize, Scroll::Right ); |
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241 carousel->setFrequency( frequency, TuneReason::StationScanFinalize, Scroll::Right ); |
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242 |
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243 frequencyStrip->setAutoScrollTime( mStripScrollTime ); |
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244 carousel->setAutoScrollTime( mCarouselScrollTime ); |
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245 } else { |
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246 const uint frequency = mUiEngine.minFrequency(); |
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247 frequencyStrip->setFrequency( frequency, TuneReason::Unspecified ); |
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248 carousel->setFrequency( frequency, TuneReason::Unspecified ); |
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249 |
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250 if ( !mUserCanceled ) { |
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251 HbMessageBox* box = new HbMessageBox( HbMessageBox::MessageTypeInformation ); |
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252 box->setTimeout( HbPopup::NoTimeout ); |
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253 box->setText( hbTrId( "txt_rad_dpophead_no_stations_found_try_searching" ) ); |
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254 box->setDismissPolicy( HbPopup::NoDismiss ); |
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255 box->setAttribute( Qt::WA_DeleteOnClose, true ); |
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256 box->open(); |
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257 } |
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258 |
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259 restoreUiControls(); |
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260 } |
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261 |
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262 } else { |
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263 if ( !mUserCanceled ) { |
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264 if ( mScanningProgressNote ) { |
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265 mScanningProgressNote.data()->setProgressValue( mScanningProgressNote.data()->maximum() ); |
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266 mScanningProgressNote.data()->close(); |
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267 } |
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268 |
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269 if ( stationCount == 0 ) { |
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270 HbMessageBox* box = new HbMessageBox( HbMessageBox::MessageTypeInformation ); |
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271 box->setTimeout( HbPopup::NoTimeout ); |
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272 box->setText( hbTrId( "txt_rad_dpophead_no_stations_found_try_searching" ) ); |
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273 box->setDismissPolicy( HbPopup::NoDismiss ); |
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274 box->setAttribute( Qt::WA_DeleteOnClose, true ); |
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275 box->open(); |
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276 } |
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277 } |
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278 const uint frequency = model.stationAt( 0 ).frequency(); |
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279 mUiEngine.setFrequency( frequency, TuneReason::StationScanFinalize ); |
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280 } |
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281 |
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282 mIsAlive = false; |
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283 emit frequencyScannerFinished(); |
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284 |
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285 if ( !mInMainView ) { |
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286 if ( mUserCanceled ) { |
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287 deleteLater(); |
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288 } else { |
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289 delete this; //TODO: Remove this weird hack once the problem with deleteLater is clear |
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290 } |
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291 } |
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292 } |