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 <QTime> |
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20 |
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21 // User includes |
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22 #include "radiostation.h" |
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23 #include "radiostation_p.h" |
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24 #include "radiologger.h" |
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25 #include "radio_global.h" |
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26 |
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27 // Constants |
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28 const QString KTagArtist = "artist"; |
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29 const QString KTagTitle = "title"; |
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30 const QString KLinkArtist = "<a href=\"" + KTagArtist + "\">"; |
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31 const QString KLinkTitle = "<a href=\"" + KTagTitle + "\">"; |
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32 const QString KLinkClose = "</a>"; |
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33 |
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34 const char* callSign[KThreeLetterCallSignCount] = |
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35 {"KBW", "KCY", "KDB", "KDF", "KEX", "KFH","KFI","KGA","KGB", |
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36 "KGO", "KGU", "KGW", "KGY", "KHQ", "KID", "KIT", "KJR", "KLO", |
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37 "KLZ", "KMA", "KMJ", "KNX", "KOA", "KOB", "KOY", "KPQ", "KQV", |
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38 "KSD", "KSL", "KUJ", "KUT", "KVI", "KWG", "KXL", "KXO", "KYW", |
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39 "WBT", "WBZ", "WDZ", "WEW", "WGH", "WGL", "WGN", "WGR", "WGY", |
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40 "WHA", "WHB", "WHK", "WHO", "WHP", "WIL", "WIP", "WIS", "WJR", |
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41 "WJW", "WJZ", "WKY", "WLS", "WLW", "WMC", "WMT", "WOC", "WOI", |
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42 "WOL", "WOR", "WOW", "WRC", "WRR", "WSB", "WSM", "WWJ", "WWL"}; |
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43 |
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44 const uint piCode[KThreeLetterCallSignCount] = |
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45 {0x99A5, 0x99A6, 0x9990, 0x99A7, 0x9950, 0x9951, 0x9952, 0x9953, |
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46 0x9991, 0x9954, 0x9955, 0x9956, 0x9957, 0x99AA, 0x9958, 0x9959, |
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47 0x995A, 0x995B, 0x995C, 0x995D, 0x995E, 0x995F, 0x9960, 0x99AB, |
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48 0x9992, 0x9993, 0x9964, 0x9994, 0x9965, 0x9966, 0x9995, 0x9967, |
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49 0x9968, 0x9996, 0x9997, 0x996B, 0x9999, 0x996D, 0x996E, 0x996F, |
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50 0x999A, 0x9971, 0x9972, 0x9973, 0x999B, 0x9975, 0x9976, 0x9977, |
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51 0x9978, 0x999C, 0x999D, 0x997A, 0x99B3, 0x997B, 0x99B4, 0x99B5, |
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52 0x997C, 0x997D, 0x997E, 0x999E, 0x999F, 0x9981, 0x99A0, 0x9983, |
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53 0x9984, 0x99A1, 0x99B9, 0x99A2, 0x99A3, 0x99A4, 0x9988, 0x9989}; |
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54 |
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55 const uint KDisableLocalAreaCoverageMask = 0x0800; |
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56 |
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57 const int KPsNameChangeThresholdSeconds = 10; |
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58 |
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59 /** |
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60 * Static shared data instance that is used by all default-constructed RadioStation instances |
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61 */ |
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62 Q_GLOBAL_STATIC_WITH_ARGS( RadioStationPrivate, shared_null, ( RadioStation::SharedNull ) ) |
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63 |
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64 /*! |
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65 * |
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66 */ |
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67 QString RadioStation::parseFrequency( uint frequency ) |
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68 { |
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69 QString freqString; |
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70 freqString.sprintf( "%.1f", qreal( frequency ) / KFrequencyMultiplier ); |
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71 return freqString; |
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72 } |
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73 |
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74 /*! |
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75 * |
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76 */ |
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77 RadioStation::RadioStation() : |
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78 QObject( 0 ) |
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79 { |
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80 mData = shared_null(); |
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81 mData->ref.ref(); |
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82 } |
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83 |
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84 /*! |
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85 * |
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86 */ |
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87 RadioStation::RadioStation( const RadioStation& other ) : |
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88 QObject( 0 ) |
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89 { |
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90 mData = other.mData; |
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91 mData->ref.ref(); |
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92 } |
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93 |
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94 /*! |
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95 * |
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96 */ |
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97 RadioStation::RadioStation( int presetIndex, uint frequency ) : |
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98 QObject( 0 ) |
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99 { |
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100 mData = new RadioStationPrivate( presetIndex, frequency ); |
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101 } |
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102 |
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103 /*! |
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104 * |
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105 */ |
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106 RadioStation::~RadioStation() |
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107 { |
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108 decrementReferenceCount(); |
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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 RadioStation& RadioStation::operator=( const RadioStation& other ) |
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115 { |
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116 qAtomicAssign( mData, other.mData ); |
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117 return *this; |
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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 void RadioStation::reset() |
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124 { |
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125 decrementReferenceCount(); |
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126 mData = shared_null(); |
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127 mData->ref.ref(); |
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128 } |
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129 |
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130 /*! |
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131 * |
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132 */ |
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133 void RadioStation::setChangeFlags( RadioStation::Change flags ) |
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134 { |
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135 if ( mData->mChangeFlags != flags ) { |
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136 detach(); |
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137 mData->mChangeFlags = flags; |
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138 } |
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139 } |
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140 |
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141 /*! |
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142 * |
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143 */ |
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144 void RadioStation::setPresetIndex( int presetIndex ) |
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145 { |
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146 if ( mData->mPresetIndex != presetIndex ) { |
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147 detach(); |
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148 mData->mPresetIndex = presetIndex; |
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149 mData->mChangeFlags |= RadioStation::PersistentDataChanged; |
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150 } |
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151 } |
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152 |
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153 /*! |
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154 * |
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155 */ |
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156 void RadioStation::setFrequency( uint frequency ) |
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157 { |
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158 if ( mData->mFrequency != frequency ) { |
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159 detach(); |
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160 mData->mFrequency = frequency; |
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161 mData->mChangeFlags |= RadioStation::PersistentDataChanged; |
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162 } |
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163 } |
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164 |
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165 /*! |
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166 * Sets the preset name |
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167 */ |
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168 void RadioStation::setName( const QString& name ) |
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169 { |
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170 // Name emptiness is checked because this name setter is used by incoming RDS PS name |
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171 // and empty names should be ignored |
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172 if ( !name.isEmpty() && !mData->mRenamedByUser && mData->mName.compare( name ) != 0 ) { |
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173 detach(); |
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174 mData->mName = name.trimmed(); |
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175 mData->mChangeFlags |= RadioStation::PersistentDataChanged | RadioStation::NameChanged; |
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176 |
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177 // Save the time when PS name changed and if the last change was too close to the current time |
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178 // change the PS type to dynamic if it has already been incorrectly determined to be static. |
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179 QTime previousChange = mData->mLastPsNameChangeTime; |
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180 mData->mLastPsNameChangeTime = QTime::currentTime(); |
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181 if ( previousChange.isValid() && mData->mPsType == RadioStation::Static && |
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182 previousChange.secsTo( mData->mLastPsNameChangeTime ) < KPsNameChangeThresholdSeconds ) { |
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183 LOG( "Station changed PS name too often. PS type changed to Dynamic" ); |
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184 mData->mPsType = RadioStation::Dynamic; |
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185 mData->mDynamicPsText = mData->mName; |
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186 mData->mName = ""; |
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187 mData->mChangeFlags |= RadioStation::PsTypeChanged | RadioStation::DynamicPsChanged; |
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188 mData->mCallSignCheckDone = false; |
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189 } |
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190 |
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191 //TODO: This is a temporary thing to see some URL. Remove this |
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192 if ( !mData->mName.isEmpty() ) { |
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193 mData->mUrl = "<a href=\"buu\">www." + mData->mName.toLower() + ".fi</a>"; |
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194 } else { |
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195 mData->mUrl = ""; |
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196 } |
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197 mData->mChangeFlags |= RadioStation::UrlChanged; |
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198 } |
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199 } |
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200 |
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201 /*! |
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202 * |
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203 */ |
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204 void RadioStation::setGenre( const int genre ) |
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205 { |
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206 if ( mData->mGenre != genre ) { |
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207 detach(); |
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208 mData->mGenre = genre; |
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209 mData->mChangeFlags |= RadioStation::PersistentDataChanged | RadioStation::GenreChanged; |
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210 } |
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211 } |
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212 |
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213 /*! |
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214 * |
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215 */ |
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216 void RadioStation::setUrl( const QString& url ) |
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217 { |
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218 if ( mData->mUrl.compare( url ) != 0 ) { |
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219 detach(); |
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220 mData->mUrl = url; |
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221 mData->mChangeFlags |= RadioStation::PersistentDataChanged | RadioStation::UrlChanged; |
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222 } |
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223 } |
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224 |
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225 /*! |
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226 * Sets the PI code |
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227 * @return true if code was changed, false if not |
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228 */ |
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229 bool RadioStation::setPiCode( int piCode, RadioRegion::Region region ) |
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230 { |
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231 LOG_FORMAT( "RadioStation::setPiCode new PI: %d", piCode ); |
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232 // toggling local area coverage bit code must not be interpreted as new PI code |
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233 if( region != RadioRegion::America ) |
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234 { |
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235 piCode &= ~KDisableLocalAreaCoverageMask; |
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236 } |
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237 |
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238 LOG_FORMAT( "stored PI: %d", mData->mPiCode ); |
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239 LOG_FORMAT( "call sign check done: %d", mData->mCallSignCheckDone ); |
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240 //prevent executing the below code when unnessesary |
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241 if ( mData->mPiCode != piCode || !mData->mCallSignCheckDone ) |
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242 { |
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243 detach(); |
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244 mData->mPiCode = piCode; |
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245 mData->mChangeFlags |= RadioStation::PersistentDataChanged | RadioStation::PiCodeChanged; |
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246 // call sign not calculated for clear channel stations |
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247 //TODO: Remove magic numbers |
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248 if( ( (mData->mPiCode & 0xF000 ) >> 12 ) == 0x1 ) |
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249 { |
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250 LOG( "Clear channel station" ); |
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251 mData->mCallSignCheckDone = true; |
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252 } |
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253 // if America region, not PS name received and not user renamed station |
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254 else if ( region == RadioRegion::America && mData->mName.isEmpty() && !isRenamed() ) |
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255 { |
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256 LOG( "Calculate call sign" ); |
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257 mData->mName = piCodeToCallSign( mData->mPiCode ); |
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258 mData->mChangeFlags |= RadioStation::NameChanged; |
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259 } |
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260 |
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261 if ( mData->mChangeFlags.testFlag( RadioStation::PsTypeChanged ) ) |
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262 { |
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263 LOG( "Call sign check done" ); |
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264 mData->mCallSignCheckDone = true; |
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265 } |
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266 |
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267 return true; |
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268 } |
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269 return false; |
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270 } |
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271 |
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272 /*! |
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273 * |
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274 */ |
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275 void RadioStation::setPsType( PsType psType ) |
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276 { |
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277 if ( mData->mPsType != psType ) { |
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278 detach(); |
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279 mData->mPsType = psType; |
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280 mData->mChangeFlags |= RadioStation::PsTypeChanged; |
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281 } |
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282 } |
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283 |
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284 /*! |
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285 * |
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286 */ |
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287 void RadioStation::setRadioText( const QString& radioText ) |
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288 { |
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289 if ( mData->mRadioText.compare( radioText ) != 0 ) { |
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290 detach(); |
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291 mData->mRadioText = radioText.isEmpty() ? "" : radioText.trimmed(); |
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292 mData->mChangeFlags |= RadioStation::RadioTextChanged; |
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293 } |
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294 } |
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295 |
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296 /*! |
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297 * |
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298 */ |
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299 void RadioStation::setRadioTextPlus( const int rtPlusClass, const QString& rtPlusItem ) |
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300 { |
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301 if ( !mData->mRadioText.isEmpty() && |
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302 !rtPlusItem.isEmpty() && |
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303 ( rtPlusClass == RtPlus::Artist || rtPlusClass == RtPlus::Title || rtPlusClass == RtPlus::Homepage) ) |
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304 { |
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305 // Url is saved to its own variable and it is not highlighted from the radiotext |
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306 if ( rtPlusClass == RtPlus::Homepage ) { |
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307 setUrl( rtPlusItem ); |
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308 return; |
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309 } |
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310 |
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311 detach(); |
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312 QString replacement = ""; |
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313 if ( rtPlusClass == RtPlus::Artist ) { |
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314 replacement = KLinkArtist; |
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315 } else if ( rtPlusClass == RtPlus::Title ) { |
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316 replacement = KLinkTitle; |
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317 } |
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318 replacement += rtPlusItem + KLinkClose; |
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319 |
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320 mData->mRadioText.replace( rtPlusItem, replacement ); |
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321 mData->mChangeFlags |= RadioStation::RadioTextChanged; |
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322 } |
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323 } |
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324 |
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325 /*! |
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326 * |
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327 */ |
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328 void RadioStation::setDynamicPsText( const QString& dynamicPsText ) |
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329 { |
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330 if ( mData->mDynamicPsText.compare( dynamicPsText ) != 0 ) { |
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331 detach(); |
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332 mData->mDynamicPsText = dynamicPsText; |
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333 mData->mChangeFlags |= RadioStation::DynamicPsChanged; |
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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 * |
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339 */ |
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340 bool RadioStation::isValid() const |
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341 { |
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342 return mData->mPresetIndex >= 0 && mData->mFrequency > 0; |
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343 } |
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344 |
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345 /*! |
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346 * |
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347 */ |
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348 QString RadioStation::name() const |
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349 { |
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350 return mData->mName.isEmpty() ? "" : mData->mName; |
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351 } |
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352 |
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353 /*! |
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354 * |
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355 */ |
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356 void RadioStation::setUserDefinedName( const QString& name ) |
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357 { |
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358 // We don't check for name emptiness because this setter is used also to remove the renaming |
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359 // of a station by setting an empty name |
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360 if ( mData->mName.compare( name ) != 0 ) { |
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361 detach(); |
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362 mData->mName = name; |
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363 mData->mRenamedByUser = !name.isEmpty(); |
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364 mData->mChangeFlags |= RadioStation::PersistentDataChanged | RadioStation::NameChanged; |
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365 } |
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366 } |
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367 |
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368 /*! |
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369 * |
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370 */ |
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371 bool RadioStation::isRenamed() const |
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372 { |
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373 return mData->mRenamedByUser; |
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374 } |
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375 |
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376 /*! |
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377 * |
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378 */ |
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379 int RadioStation::genre() const |
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380 { |
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381 return mData->mGenre; |
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382 } |
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383 |
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384 /*! |
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385 * |
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386 */ |
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387 QString RadioStation::frequencyMhz() const |
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388 { |
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389 return parseFrequency( mData->mFrequency ); |
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390 } |
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391 |
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392 /*! |
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393 * |
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394 */ |
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395 uint RadioStation::frequency() const |
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396 { |
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397 return mData->mFrequency; |
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398 } |
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399 |
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400 /*! |
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401 * |
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402 */ |
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403 int RadioStation::presetIndex() const |
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404 { |
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405 return mData->mPresetIndex; |
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406 } |
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407 |
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408 /*! |
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409 * |
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410 */ |
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411 void RadioStation::setFavorite( bool favorite ) |
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412 { |
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413 if ( isFavorite() != favorite ) { |
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414 detach(); |
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415 favorite ? setType( RadioStation::Favorite ) : unsetType( RadioStation::Favorite ); |
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416 mData->mChangeFlags |= RadioStation::PersistentDataChanged | RadioStation::FavoriteChanged; |
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417 } |
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418 } |
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419 |
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420 /*! |
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421 * |
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422 */ |
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423 bool RadioStation::isFavorite() const |
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424 { |
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425 return mData->mType.testFlag( RadioStation::Favorite ); |
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426 } |
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427 |
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428 /*! |
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429 * |
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430 */ |
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431 QString RadioStation::url() const |
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432 { |
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433 return mData->mUrl; |
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434 } |
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435 |
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436 /*! |
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437 * |
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438 */ |
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439 bool RadioStation::hasPiCode() const |
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440 { |
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441 return mData->mPiCode != -1; |
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442 } |
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443 |
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444 /*! |
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445 * |
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446 */ |
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447 bool RadioStation::hasRds() const |
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448 { |
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449 return hasPiCode() || |
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450 mData->mGenre != -1 || |
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451 !mData->mDynamicPsText.isEmpty() || |
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452 !mData->mRadioText.isEmpty() || |
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453 ( !mData->mName.isEmpty() && !isRenamed() ); |
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454 } |
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455 |
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456 /*! |
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457 * |
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458 */ |
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459 void RadioStation::setType( RadioStation::Type type ) |
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460 { |
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461 if ( !isType( type ) ) { |
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462 detach(); |
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463 |
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464 // Check if favorite-status changed |
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465 if ( mData->mType.testFlag( RadioStation::Favorite ) != type.testFlag( RadioStation::Favorite ) ) { |
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466 mData->mChangeFlags |= RadioStation::FavoriteChanged; |
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467 } |
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468 |
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469 mData->mType |= type; |
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470 mData->mChangeFlags |= RadioStation::PersistentDataChanged | RadioStation::TypeChanged; |
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471 } |
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472 } |
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473 |
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474 /*! |
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475 * |
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476 */ |
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477 void RadioStation::unsetType( RadioStation::Type type ) |
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478 { |
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479 if ( isType( type ) ) { |
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480 detach(); |
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481 |
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482 // Check if favorite-status changed |
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483 if ( mData->mType.testFlag( RadioStation::Favorite ) != type.testFlag( RadioStation::Favorite ) ) { |
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484 mData->mChangeFlags |= RadioStation::FavoriteChanged; |
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485 } |
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486 |
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487 mData->mType &= ~type; |
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488 mData->mChangeFlags |= RadioStation::PersistentDataChanged | RadioStation::TypeChanged; |
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489 } |
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490 } |
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491 |
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492 /*! |
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493 * |
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494 */ |
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495 bool RadioStation::isType( RadioStation::Type type ) const |
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496 { |
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497 return ( mData->mType & type ) == type; |
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498 } |
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499 |
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500 /*! |
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501 * |
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502 */ |
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503 RadioStation::PsType RadioStation::psType() const |
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504 { |
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505 return mData->mPsType; |
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506 } |
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507 |
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508 /*! |
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509 * |
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510 */ |
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511 QString RadioStation::radioText() const |
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512 { |
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513 return mData->mRadioText; |
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514 } |
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515 |
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516 /*! |
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517 * |
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518 */ |
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519 QString RadioStation::dynamicPsText() const |
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520 { |
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521 return mData->mDynamicPsText; |
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522 } |
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523 |
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524 /*! |
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525 * |
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526 */ |
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527 RadioStation::Change RadioStation::changeFlags() const |
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528 { |
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529 return mData->mChangeFlags; |
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530 } |
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531 |
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532 /*! |
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533 * |
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534 */ |
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535 bool RadioStation::hasDataChanged( RadioStation::Change flags ) const |
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536 { |
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537 return ( mData->mChangeFlags & flags ) == flags; |
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538 } |
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539 |
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540 /*! |
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541 * |
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542 */ |
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543 bool RadioStation::hasChanged() const |
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544 { |
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545 return mData->mChangeFlags != RadioStation::NoChange; |
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546 } |
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547 |
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548 /*! |
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549 * |
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550 */ |
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551 void RadioStation::resetChangeFlags() |
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552 { |
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553 if ( mData->mChangeFlags != RadioStation::NoChange ) { |
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554 detach(); |
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555 mData->mChangeFlags = RadioStation::NoChange; |
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556 } |
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557 } |
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558 |
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559 /** |
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560 * Decrements the reference count of the implicitly shared data. |
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561 */ |
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562 void RadioStation::decrementReferenceCount() |
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563 { |
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564 if ( !mData->ref.deref() ) { |
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565 delete mData; |
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566 mData = 0; |
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567 } |
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568 } |
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569 |
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570 /*! |
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571 * |
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572 */ |
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573 QString RadioStation::piCodeToCallSign( uint programmeIdentification ) |
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574 { |
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575 QString callSign; |
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576 |
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577 LOG_FORMAT( "RadioStation::piCodeToCallSign PI: %d", programmeIdentification ); |
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578 // call signs beginning with 'K' |
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579 if( ( programmeIdentification>=KKxxxCallSignPiFirst ) && ( programmeIdentification < KWxxxCallSignPiFirst ) ) { |
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580 callSign += "K"; |
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581 callSign += iterateCallSign( KKxxxCallSignPiFirst, programmeIdentification ); |
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582 } |
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583 // call signs beginning with 'W' |
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584 else if (( programmeIdentification >= KWxxxCallSignPiFirst ) && ( programmeIdentification <= KWxxxCallSignPiLast )) { |
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585 callSign += "W"; |
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586 callSign += iterateCallSign( KWxxxCallSignPiFirst, programmeIdentification ); |
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587 } |
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588 // 3 letter only call signs |
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589 else if(( programmeIdentification >= KxxxCallSignPiFirst ) && ( programmeIdentification <= KxxxCallSignPiLast)) { |
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590 callSign += callSignString( programmeIdentification ); |
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591 } |
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592 else |
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593 { |
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594 LOG( "RadioStation::piCodeToCallSign - Unhandled else" ); |
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595 } |
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596 |
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597 LOG_FORMAT( "RadioStation::piCodeToCallSign, call sign: %s", GETSTRING(callSign) ); |
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598 |
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599 return callSign; |
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600 } |
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601 |
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602 /*! |
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603 * |
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604 */ |
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605 QString RadioStation::iterateCallSign( int piBase, int programmeIdentification ) |
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606 { |
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607 QString callSign; |
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608 LOG_FORMAT( "RadioStation::iterateCallSign base: %d", piBase ); |
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609 |
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610 int sum(0), i(0); |
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611 |
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612 while( sum < programmeIdentification ) { |
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613 i++; |
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614 sum = piBase + i * 676 + 0 + 0; |
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615 } |
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616 callSign += callSignChar( i - 1 ); |
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617 |
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618 int tmpSum( sum - 676 ); |
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619 sum -= 676; |
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620 i = 0; |
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621 while( sum <= programmeIdentification ) { |
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622 i++; |
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623 sum = tmpSum + 0 + i * 26 + 0; |
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624 } |
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625 callSign += callSignChar( i - 1 ); |
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626 |
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627 tmpSum = sum - 26; |
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628 sum -= 26; |
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629 i = 0; |
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630 while( sum <= programmeIdentification ) { |
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631 i++; |
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632 sum = tmpSum + 0 + 0 + i; |
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633 } |
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634 callSign += callSignChar( i - 1 ); |
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635 |
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636 return callSign; |
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637 } |
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638 |
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639 /*! |
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640 * |
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641 */ |
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642 QString RadioStation::callSignString( uint programmeIdentification ) |
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643 { |
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644 for ( uint i = 0; i < KThreeLetterCallSignCount; ++i ) { |
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645 if( piCode[i] == programmeIdentification ) { |
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646 return callSign[i]; |
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647 } |
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648 } |
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649 |
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650 LOG_FORMAT( "RadioStation::callSignString, Not found PI: %d", programmeIdentification ); |
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651 |
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652 return QString("????"); |
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653 } |
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654 |
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655 /*! |
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656 * |
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657 */ |
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658 char RadioStation::callSignChar( uint decimalValue ) |
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659 { |
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660 LOG_FORMAT( "RadioStation::callSignChar A+: %d", decimalValue ); |
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661 if ( decimalValue <= KLastCallSignCharCode ) { |
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662 return static_cast<char>( 'A' + decimalValue ); |
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663 } |
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664 return '?'; |
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665 } |
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666 |
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667 /** |
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668 * Detach from the implicitly shared data |
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669 */ |
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670 void RadioStation::detach() |
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671 { |
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672 if ( !isDetached() ) { |
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673 RadioStationPrivate* newData = new RadioStationPrivate( *mData ); |
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674 |
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675 decrementReferenceCount(); |
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676 |
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677 newData->ref = 1; |
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678 mData = newData; |
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679 |
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680 // The shared null instance of the data has its preset index set to -200 (RadioStation::SharedNull). |
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681 // We change the preset index of the detached data to -100 (RadioStation::Invalid) just to ease |
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682 // debugging. This guarantees that the only instance that has value -200 is the actual shared null. |
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683 #ifdef _DEBUG |
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684 if ( mData->mPresetIndex == RadioStation::SharedNull ) { |
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685 mData->mPresetIndex = RadioStation::Invalid; |
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686 } |
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687 #endif |
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688 } |
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689 } |
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690 |
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691 /** |
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692 * Checks if the class is detached from implicitly shared data |
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693 */ |
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694 bool RadioStation::isDetached() const |
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695 { |
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696 return mData->ref == 1; |
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697 } |
|