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: Wrapper for equalizer utility - private implementation. |
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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 <qDebug> |
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20 #include <QStringList> |
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21 #include <audioequalizerutility.h> |
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22 #include <EqualizerConstants.h> |
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23 #include <mpxplaybackutility.h> |
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24 |
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25 // User includes |
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26 #include "mpequalizerwrapper.h" |
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27 #include "mpequalizerwrapper_p.h" |
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28 #include "mpsettingsmanager.h" |
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29 #include "mpcommondefs.h" |
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30 #include "mptrace.h" |
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31 |
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32 // CONSTANTS |
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33 _LIT( KMPXNullSoundPath, "\\nullsound.mp3" ); |
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34 const TInt KEqualizerID = 0x101FFC76; |
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35 |
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36 /*! |
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37 \class MpEqualizerWrapperPrivate |
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38 \ingroup musicplayer |
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39 \brief Wrapper for equalizer utility - private implementation. |
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40 |
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41 This is a private implementation of the audio eqalizer wrapper |
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42 utilties interface. |
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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 Constructs a new MpEqualizerWrapper with \a parent and initializes its |
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48 private imaplementation. |
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49 */ |
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50 MpEqualizerWrapperPrivate::MpEqualizerWrapperPrivate( |
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51 MpEqualizerWrapper *wrapper ): q_ptr( wrapper ), |
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52 iEqualizerUtility (NULL), iCurrentPresetIndex(KEqualizerPresetNone) |
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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 Destructs the class. |
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59 */ |
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60 MpEqualizerWrapperPrivate::~MpEqualizerWrapperPrivate() |
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61 { |
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62 TX_ENTRY |
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63 |
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64 delete iEqualizerUtility; |
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65 |
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66 if ( iMdaPlayUtility ) |
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67 { |
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68 iMdaPlayUtility->Close(); |
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69 } |
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70 delete iMdaPlayUtility; |
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71 |
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72 if ( iMpxPlaybackUtility ) |
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73 { |
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74 iMpxPlaybackUtility->Close(); |
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75 } |
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76 |
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77 TX_EXIT |
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78 } |
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79 |
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80 /*! |
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81 Calls the DoInit to initialize Symbian based components. |
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82 |
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83 \sa DoInitL() |
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84 */ |
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85 void MpEqualizerWrapperPrivate::init() |
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86 { |
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87 TX_ENTRY |
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88 |
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89 TRAPD(err, DoInitL()); |
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90 if ( err != KErrNone ) |
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91 { |
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92 TX_LOG_ARGS("MpEqualizerWrapperPrivate::init err = " << err); |
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93 } |
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94 |
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95 TX_EXIT |
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96 } |
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97 |
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98 /*! |
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99 Apply the preset by giving preset index. The index is subtracted by 1 because |
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100 index 0 represent "Off" at UI level. |
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101 |
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102 */ |
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103 void MpEqualizerWrapperPrivate::applyPreset( int preset ) |
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104 { |
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105 TX_ENTRY_ARGS( "preset=" << preset ); |
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106 |
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107 if ( iEqualizerUtility ) |
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108 { |
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109 TInt presetKey(KErrNotFound); |
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110 TRAPD(err, presetKey = GetEngineIndexL( preset - 1 )); |
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111 if ( err != KErrNone ) |
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112 { |
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113 TX_LOG_ARGS("GetEngineIndexL Error = " << err); |
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114 return; |
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115 } |
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116 TX_LOG_ARGS( "Preset key in engine =" << presetKey ); |
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117 HandlePresetActivation( presetKey ); |
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118 iCurrentPresetIndex = preset; |
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119 } |
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120 else |
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121 { |
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122 TX_LOG_ARGS( "Equalizer not ready." ); |
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123 } |
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124 |
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125 TX_EXIT |
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126 } |
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127 |
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128 /*! |
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129 Return current preset index (UI) |
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130 |
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131 */ |
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132 int MpEqualizerWrapperPrivate::activePreset() |
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133 { |
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134 TX_LOG_ARGS("iCurrentPresetIndex = " << iCurrentPresetIndex ); |
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135 |
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136 return iCurrentPresetIndex; |
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137 } |
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138 |
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139 /*! |
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140 Disabling equalizer by setting the preset to -1 and apply it to |
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141 disable current preset. |
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142 |
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143 */ |
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144 void MpEqualizerWrapperPrivate::disableEqualizer() |
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145 { |
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146 TX_ENTRY |
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147 |
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148 TInt nullPreset( KErrNotFound ); |
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149 iCurrentPresetIndex = KEqualizerPresetNone; |
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150 HandlePresetActivation( nullPreset ); |
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151 |
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152 TX_EXIT |
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153 } |
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154 |
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155 /*! |
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156 Returning the list of availale preset names. |
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157 |
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158 \sa CAudioEqualizerUtility |
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159 */ |
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160 QStringList MpEqualizerWrapperPrivate::presetNames() |
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161 { |
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162 TX_ENTRY |
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163 |
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164 QStringList presetList; |
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165 |
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166 if ( iEqualizerUtility == NULL ) |
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167 { |
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168 TX_LOG_ARGS( "Equalizer not ready." ); |
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169 return presetList; |
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170 } |
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171 |
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172 TArray<TEfAudioEqualizerUtilityPreset> presetArray = iEqualizerUtility->Presets(); |
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173 for (TInt i=0; i<presetArray.Count(); i++) |
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174 { |
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175 TPresetName selectedItem = presetArray[i].iPresetName; |
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176 presetList << QString::fromUtf16( selectedItem.Ptr(), selectedItem.Length() ); |
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177 } |
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178 |
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179 TX_EXIT |
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180 |
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181 return presetList; |
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182 } |
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183 |
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184 /*! |
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185 \internal |
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186 */ |
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187 void MpEqualizerWrapperPrivate::DoInitL() |
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188 { |
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189 TX_ENTRY |
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190 |
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191 if (!iMpxPlaybackUtility) |
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192 { |
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193 iMpxPlaybackUtility = MMPXPlaybackUtility::UtilityL( TUid::Uid( MpCommon::KMusicPlayerUid ) ); |
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194 } |
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195 |
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196 if (iMdaPlayUtility) |
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197 { |
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198 iMdaPlayUtility->Close(); |
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199 delete iMdaPlayUtility; |
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200 iMdaPlayUtility = NULL; |
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201 } |
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202 |
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203 iMdaPlayUtility = ( CMdaAudioPlayerUtility* )User::LeaveIfNull( |
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204 CMdaAudioPlayerUtility::NewL( |
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205 *this, |
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206 EMdaPriorityMin, |
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207 EMdaPriorityPreferenceNone )); |
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208 |
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209 TX_LOG_ARGS("Loading null sound"); |
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210 TFileName nullSoundPath( KMPXNullSoundPath ); |
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211 User::LeaveIfError( MPXUser::CompleteWithDllPath( nullSoundPath ) ); |
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212 TX_LOG_ARGS("Loading null sound done!"); |
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213 iMdaPlayUtility->OpenFileL( nullSoundPath ); |
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214 |
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215 TX_EXIT |
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216 } |
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217 |
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218 |
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219 /*! |
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220 \internal |
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221 */ |
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222 void MpEqualizerWrapperPrivate::HandlePresetActivation( TInt aActivatedPreset ) |
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223 { |
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224 TX_ENTRY_ARGS( "aActivatedPreset=" << aActivatedPreset ); |
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225 |
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226 // Store in CenRep file |
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227 MpSettingsManager::setPreset( aActivatedPreset ); |
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228 |
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229 // Notify playback framework of the change. |
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230 TRAPD(error, |
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231 { |
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232 iMpxPlaybackUtility->CommandL( EPbApplyEffect, KEqualizerID ); |
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233 }); |
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234 |
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235 if (error != KErrNone) |
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236 { |
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237 TX_ENTRY_ARGS( "Equalizer error:" << error ); |
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238 } |
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239 |
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240 TX_EXIT |
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241 } |
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242 |
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243 |
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244 /*! |
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245 \internal |
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246 */ |
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247 void MpEqualizerWrapperPrivate::GetPresetId( TInt& aPresetId ) |
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248 { |
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249 TX_ENTRY |
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250 |
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251 // Get preset id from cenrep |
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252 TInt presetId( MpSettingsManager::preset() ); |
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253 |
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254 TBool found( EFalse ); |
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255 if ( iEqualizerUtility && presetId != KEqualizerPresetNone ) |
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256 { |
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257 TArray<TEfAudioEqualizerUtilityPreset> presetArray = iEqualizerUtility->Presets(); |
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258 for ( TInt i = 0; i < presetArray.Count() && found == EFalse; i++ ) { |
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259 TX_LOG_ARGS("presetArray[" << i << "].iPresetNameKey (" |
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260 << presetArray[i].iPresetNameKey << ") vs presetId (" <<presetId << ")"); |
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261 if ( presetArray[i].iPresetNameKey == static_cast<TUint32>( presetId ) ) { |
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262 found = ETrue; |
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263 iCurrentPresetIndex = aPresetId = i + 1; |
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264 break; |
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265 } |
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266 } |
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267 } |
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268 |
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269 if ( found == EFalse ) |
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270 { |
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271 iCurrentPresetIndex = aPresetId = KEqualizerPresetNone; |
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272 } |
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273 |
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274 TX_EXIT |
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275 } |
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276 |
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277 |
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278 /*! |
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279 \internal |
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280 */ |
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281 TInt MpEqualizerWrapperPrivate::GetEngineIndexL( const TInt preset ) const |
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282 { |
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283 TX_ENTRY_ARGS( "preset=" << preset ); |
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284 |
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285 TInt engineIndex = KErrNotFound; |
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286 |
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287 TPresetName presetName = iEqualizerUtility->GetPresetL( preset ); |
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288 |
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289 TArray<TEfAudioEqualizerUtilityPreset> presets = iEqualizerUtility->Presets(); |
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290 for (TInt count = 0; count < presets.Count(); count++) |
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291 { |
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292 TPresetName selectedItem = presets[count].iPresetName; |
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293 TX_LOG_ARGS(" Comparing..." << presets[count].iPresetNameKey ); |
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294 if ( selectedItem == presetName ) { |
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295 engineIndex = presets[count].iPresetNameKey; |
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296 TX_LOG_ARGS(" Comparing mached engineIndex = " << engineIndex ); |
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297 break; |
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298 } |
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299 } |
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300 |
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301 TX_EXIT |
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302 |
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303 return engineIndex; |
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304 } |
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305 |
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306 /*! |
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307 \internal |
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308 */ |
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309 void MpEqualizerWrapperPrivate::MapcInitComplete( |
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310 TInt aError, |
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311 const TTimeIntervalMicroSeconds& /* aDuration */ ) |
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312 { |
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313 TX_ENTRY_ARGS( "aError=" << aError ); |
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314 |
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315 if ( !aError ) |
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316 { |
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317 TRAPD(err, iEqualizerUtility = CAudioEqualizerUtility::NewL( *iMdaPlayUtility ) ); |
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318 if ( err == KErrNone ) { |
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319 TInt preset(KEqualizerPresetNone); |
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320 GetPresetId( preset ); |
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321 emit q_ptr->equalizerReady(); |
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322 } |
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323 else |
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324 { |
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325 TX_ENTRY_ARGS( "CAudioEquqlizerUtility error=" << err ); |
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326 } |
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327 } |
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328 else |
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329 { |
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330 TX_ENTRY_ARGS( "MapcInitComplete error=" << aError ); |
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331 } |
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332 |
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333 TX_EXIT |
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334 } |
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335 |
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336 /*! |
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337 \internal |
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338 */ |
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339 void MpEqualizerWrapperPrivate::MapcPlayComplete( |
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340 TInt /* aError */ ) |
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341 { |
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342 TX_LOG |
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343 // Do nothing |
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344 } |
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345 |
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346 //End of File |
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