1 /* |
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2 * Copyright (c) 2005 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: Defines functionality related to Equalizer Settings Dialog |
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15 * |
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16 */ |
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17 |
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18 |
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19 |
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20 // INCLUDE FILES |
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21 |
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22 #include <bautils.h> |
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23 #include <aknenv.h> |
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24 #include <avkon.hrh> |
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25 #include <e32cmn.h> |
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26 #include <data_caging_path_literals.hrh> |
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27 //LAF and Skin changes |
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28 #include <aknlayout.cdl.h> |
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29 #include <aknlayoutscalable_apps.cdl.h> |
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30 #include <AknLayout2ScalableDef.h> |
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31 #include <AknLayout2Def.h> |
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32 #include <AknUtils.h> |
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33 #include <bldvariant.hrh> |
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34 #include <featmgr.h> |
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35 #include <AudioEqualizerUtility.h> |
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36 #include <hlplch.h> |
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37 #include <StringLoader.h> |
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38 #include <akntitle.h> |
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39 #include <aknnotewrappers.h> |
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40 |
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41 #include <Equalizer.rsg> |
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42 #include "EqualizerPrivateConstants.h" |
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43 #include <csxhelp/eq.hlp.hrh> |
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44 #include "EqualizerEditingDialog.h" |
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45 #include "EqualizerFreqBandContainer.h" |
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46 #include "Equalizer.hrh" |
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47 |
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48 // ============================ MEMBER FUNCTIONS ============================= |
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49 |
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50 // ------------------------------------------------------------------- |
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51 // CEqualizerEditingDialog* CEqualizerEditingDialog::NewL( |
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52 // CAudioEqualizerUtility& aAudEqUtility, |
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53 // const TInt aPresetIndex, TRect& aRect, const TBool aIsActivePreset) |
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54 // Create instance of concrete ECOM interface implementation |
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55 // ------------------------------------------------------------------- |
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56 // |
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57 CEqualizerEditingDialog* CEqualizerEditingDialog::NewL( |
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58 CAudioEqualizerUtility* aAudEqUtility, const TInt aPresetIndex, |
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59 TRect& aRect, const TBool aIsActivePreset, |
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60 MEqualizerPresetActivationObserver& aObserver, |
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61 TInt aPresetKey) |
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62 { |
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63 CEqualizerEditingDialog* self = new (ELeave) CEqualizerEditingDialog( |
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64 aAudEqUtility, aPresetIndex, aRect, aIsActivePreset, aObserver, |
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65 aPresetKey); |
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66 CleanupStack::PushL(self); |
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67 self->ConstructL(); |
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68 CleanupStack::Pop(self); |
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69 return self; |
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70 } |
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71 |
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72 // ------------------------------------------------------------------- |
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73 // CEqualizerEditingDialog::ConstructL() |
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74 // Second Phase Constructor |
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75 // ------------------------------------------------------------------- |
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76 // |
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77 void CEqualizerEditingDialog::ConstructL() |
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78 { |
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79 //Initially set these variable to EFalse |
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80 iIgnoreKeyEvents = EFalse; |
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81 iContextSensitiveMenu = EFalse; |
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82 |
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83 iPresetName = iAudEqUtility->GetPresetL(iPresetIndex); |
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84 CAudioEqualizer& audioEqualizer = iAudEqUtility->Equalizer(); |
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85 iNumberOfFreqBands = audioEqualizer.NumberOfBands(); |
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86 iMover=new(ELeave)CArrayFixSeg<TInt>(KEqualizerArrayGranularity); |
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87 |
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88 iFreqBandRect = RArray<TRect>(iNumberOfFreqBands); |
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89 iScaleRect = RArray<TRect>(iNumberOfFreqBands); |
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90 iBackgroundRect = RArray<TRect>(iNumberOfFreqBands); |
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91 iSliderRect = RArray<TRect>(iNumberOfFreqBands); |
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92 GetLayoutRect(); |
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93 |
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94 // Find which drive this DLL is installed. |
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95 TFileName fileName; |
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96 |
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97 // Get the full resource file |
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98 TParse fp; |
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99 |
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100 // Add the resource dir |
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101 fp.Set( KEqualizerResourceFileName, &KDC_APP_RESOURCE_DIR, NULL); |
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102 // Get the filename with full path |
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103 fileName = fp.FullName(); |
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104 //for localisation of resource file |
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105 BaflUtils::NearestLanguageFile( iEikonEnv->FsSession(), fileName ); |
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106 iResourceFileOffset = iEikonEnv->AddResourceFileL( fileName ); |
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107 CAknDialog::ConstructL(R_EQUALIZER_SETTINGS_MENUBAR); |
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108 } |
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109 |
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110 // --------------------------------------------------------------------- |
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111 // CEqualizerEditingDialog::CEqualizerEditingDialog |
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112 // (CAudioEqualizerUtility* aAudEqUtility, TInt aPresetIndex, |
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113 // TRect& aRect, const TBool aIsActivePreset) |
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114 // First phase constructor |
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115 // --------------------------------------------------------------------- |
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116 // |
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117 CEqualizerEditingDialog::CEqualizerEditingDialog(CAudioEqualizerUtility* |
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118 aAudEqUtility, const TInt aPresetIndex, TRect& aRect, |
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119 const TBool aIsActivePreset, MEqualizerPresetActivationObserver& aObserver, |
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120 TInt aPresetKey ): |
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121 iAudEqUtility(aAudEqUtility), |
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122 iPresetIndex(aPresetIndex), iRect(aRect), |
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123 iIsActivePreset(aIsActivePreset), |
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124 iObserver( aObserver ), iPresetKey( aPresetKey ) |
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125 { |
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126 } |
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127 |
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128 // -------------------------------------------------------------------- |
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129 // CEqualizerEditingDialog::~CEqualizerEditingDialog() |
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130 // Destructor |
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131 // -------------------------------------------------------------------- |
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132 // |
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133 CEqualizerEditingDialog::~CEqualizerEditingDialog() |
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134 { |
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135 if (iResourceFileOffset) |
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136 { |
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137 iEikonEnv->DeleteResourceFile(iResourceFileOffset); |
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138 } |
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139 |
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140 if (iMover) |
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141 { |
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142 iMover->Reset(); |
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143 delete iMover; |
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144 } |
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145 |
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146 iFreqBandRect.Close(); |
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147 iScaleRect.Close(); |
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148 iBackgroundRect.Close(); |
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149 iSliderRect.Close(); |
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150 } |
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151 |
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152 // -------------------------------------------------------------------- |
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153 // SEikControlInfo CEqualizerEditingDialog:: |
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154 // CreateCustomControlL ( TInt aControlType ) |
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155 // This function is called by the framework to create a custom control |
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156 // inside the dialog |
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157 // -------------------------------------------------------------------- |
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158 // |
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159 SEikControlInfo CEqualizerEditingDialog::CreateCustomControlL ( TInt |
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160 aControlType ) |
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161 { |
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162 SEikControlInfo controlInfo; |
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163 controlInfo.iControl = NULL; |
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164 controlInfo.iTrailerTextId = 0; |
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165 controlInfo.iFlags = 0; |
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166 |
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167 SetMoverPositionsL(EFalse); |
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168 |
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169 switch ( aControlType) |
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170 { |
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171 case EEqualizerCustomCtrlDlgCtCustomControl: |
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172 controlInfo.iControl = new(ELeave) CEqualizerFreqBandContainer |
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173 (this, iAudEqUtility, iPresetIndex, iIsActivePreset, |
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174 iRect, iObserver, iPresetKey, iPresetName); |
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175 |
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176 iFreqBandContainer = (CEqualizerFreqBandContainer*) |
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177 controlInfo.iControl; |
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178 break; |
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179 default: |
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180 break; |
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181 } |
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182 |
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183 return controlInfo; |
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184 } |
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185 |
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186 // ------------------------------------------------------------------- |
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187 // void CEqualizerEditingDialog::SizeChanged() |
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188 // |
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189 // This function is called by the framework whenever the control size |
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190 // is changed |
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191 // -------------------------------------------------------------------- |
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192 // |
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193 void CEqualizerEditingDialog::SizeChanged() |
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194 { |
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195 CAknDialog::SizeChanged(); |
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196 iRect = Rect(); |
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197 GetLayoutRect(); |
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198 CAudioEqualizer& audioEqualizer = iAudEqUtility->Equalizer(); |
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199 iAudEqUtility->ModifyPresetL(iPresetIndex, iPresetName, audioEqualizer); |
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200 iMover->Reset(); |
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201 SetMoverPositionsL(EFalse); |
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202 } |
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203 |
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204 // ------------------------------------------------------------------- |
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205 // void CEqualizerEditingDialog::GetLayoutRect() |
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206 // |
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207 // This function is called to retrive the freqband rect, scale rect |
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208 // slider rect from the layout |
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209 // -------------------------------------------------------------------- |
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210 // |
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211 void CEqualizerEditingDialog::GetLayoutRect() |
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212 { |
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213 iFreqBandRect.Reset(); |
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214 iScaleRect.Reset(); |
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215 iBackgroundRect.Reset(); |
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216 iSliderRect.Reset(); |
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217 |
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218 TInt variety = EEqualizerVarietyOne; |
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219 |
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220 if(iNumberOfFreqBands == KEqualizerFiveBands) |
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221 variety = EEqualizerVarietyTwo; |
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222 |
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223 for(TInt count = 0; count < iNumberOfFreqBands; count++) |
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224 { |
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225 iFreqBandRect.Append(CEqualizerFreqBand::ComponentRect( |
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226 iRect,variety+2,count)); |
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227 iScaleRect.Append(CEqualizerFreqBand::ComponentRect( |
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228 iFreqBandRect[count],variety,EEqualizerScale)); |
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229 iBackgroundRect.Append(CEqualizerFreqBand::ComponentRect( |
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230 iScaleRect[count],EEqualizerVarietyNotUsed,EEqualizerBackground)); |
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231 iSliderRect.Append(CEqualizerFreqBand::ComponentRect( |
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232 iScaleRect[count],EEqualizerVarietyNotUsed,EEqualizerSlider)); |
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233 } |
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234 } |
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235 |
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236 // -------------------------------------------------------------------- |
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237 // void CEqualizerEditingDialog::SetMoverPositionsL(TBool aReset) |
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238 // This function is used to read the positions of the mover for the |
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239 // various bands from the engine. |
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240 // -------------------------------------------------------------------- |
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241 // |
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242 void CEqualizerEditingDialog::SetMoverPositionsL(TBool aReset) |
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243 { |
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244 //Calulate change in db level |
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245 TInt32 minBandLevel; |
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246 TInt32 maxBandLevel; |
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247 iAudEqUtility->GetPresetL(iPresetIndex); |
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248 CAudioEqualizer& audioEqualizer = iAudEqUtility->Equalizer(); |
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249 |
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250 audioEqualizer.DbLevelLimits(minBandLevel, maxBandLevel); |
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251 |
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252 //The minimum band level should always be negative and the |
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253 // maximum band level should always be positive. |
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254 if (( minBandLevel > 0 ) || (maxBandLevel < 0)) |
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255 { |
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256 User::Leave(KErrNotSupported); |
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257 } |
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258 |
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259 for (TInt i =0; i<iNumberOfFreqBands; i++) |
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260 { |
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261 TInt scaleHeight = iBackgroundRect[i].Height(); |
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262 TInt scaleZeroPos = (iBackgroundRect[i].iTl.iY) + (scaleHeight / 2); |
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263 |
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264 TInt halfSliderSize = iSliderRect[i].Height() / 2; |
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265 TInt sliderInc = iBackgroundRect[i].Height() / KNumberOfSteps; |
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266 TInt diffUIBandLevel = KNumberOfSteps / 2; |
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267 |
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268 TInt curBandlevel = audioEqualizer.BandLevel(i+1); |
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269 |
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270 |
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271 __ASSERT_DEBUG((curBandlevel >= minBandLevel) || |
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272 (curBandlevel <= maxBandLevel), User::Invariant()); |
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273 if ((curBandlevel < minBandLevel) || (curBandlevel > maxBandLevel)) |
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274 { |
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275 curBandlevel = 0; //Band level is invalid, use zero instead. |
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276 } |
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277 |
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278 if (curBandlevel > 0) |
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279 { |
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280 TReal frac = (TReal)curBandlevel / maxBandLevel; |
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281 TInt moverPos = (TInt) (scaleZeroPos - (frac * |
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282 diffUIBandLevel * sliderInc)); |
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283 if((moverPos < (iBackgroundRect[i].iTl.iY + halfSliderSize)) || |
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284 ((scaleZeroPos - moverPos) >= (diffUIBandLevel * sliderInc))) |
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285 { |
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286 moverPos = iBackgroundRect[i].iTl.iY + halfSliderSize; |
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287 } |
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288 |
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289 if (aReset) |
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290 { |
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291 (*iMover)[i] = moverPos; |
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292 } |
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293 else |
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294 { |
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295 iMover->AppendL(moverPos); |
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296 } |
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297 } |
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298 else if (curBandlevel < 0) |
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299 { |
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300 TReal frac = (TReal)curBandlevel / minBandLevel; |
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301 TInt moverPos = (TInt) (scaleZeroPos + (frac * |
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302 diffUIBandLevel * sliderInc)); |
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303 if((moverPos > ((iBackgroundRect[i].iBr.iY ) - halfSliderSize)) || |
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304 ((moverPos - scaleZeroPos) >= (diffUIBandLevel * sliderInc))) |
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305 { |
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306 moverPos = (iBackgroundRect[i].iBr.iY ) - halfSliderSize; |
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307 } |
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308 |
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309 if (aReset) |
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310 { |
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311 (*iMover)[i] = moverPos; |
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312 } |
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313 else |
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314 { |
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315 iMover->AppendL(moverPos); |
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316 } |
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317 } |
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318 else |
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319 { |
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320 if (aReset) |
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321 { |
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322 (*iMover)[i] = scaleZeroPos; |
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323 } |
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324 else |
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325 { |
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326 iMover->AppendL(scaleZeroPos); |
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327 } |
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328 } |
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329 } |
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330 } |
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331 |
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332 // --------------------------------------------------------- |
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333 // CEqualizerEditingDialog::OfferKeyEventL( |
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334 // const TKeyEvent& aKeyEvent,TEventCode aType) |
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335 // This function is used to handle key events |
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336 // --------------------------------------------------------- |
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337 // |
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338 TKeyResponse CEqualizerEditingDialog::OfferKeyEventL( |
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339 const TKeyEvent& aKeyEvent, |
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340 TEventCode aType ) |
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341 { |
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342 if (iIgnoreKeyEvents) |
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343 { |
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344 return EKeyWasNotConsumed; |
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345 } |
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346 else |
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347 { |
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348 return CAknDialog::OfferKeyEventL( aKeyEvent, aType ); |
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349 } |
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350 } |
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351 |
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352 // ------------------------------------------------------------------- |
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353 // void CEqualizerEditingDialog::ProcessCommandL(TInt aCommandId) |
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354 // This function is called by the framework to handle the user's |
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355 // menubar command options |
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356 // -------------------------------------------------------------------- |
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357 // |
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358 void CEqualizerEditingDialog::ProcessCommandL(TInt aCommandId) |
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359 { |
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360 // Need to do this in all cases or menu does not disappear after |
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361 // a selection is made |
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362 CAknDialog::ProcessCommandL(aCommandId); |
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363 |
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364 switch(aCommandId) |
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365 { |
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366 case EAknCmdExit : |
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367 case EEikCmdExit : |
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368 { |
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369 CAudioEqualizer& audioEqualizer = iAudEqUtility->Equalizer(); |
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370 iAudEqUtility->ModifyPresetL(iPresetIndex, iPresetName, audioEqualizer); |
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371 iAvkonAppUi->HandleCommandL( aCommandId ); |
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372 break; |
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373 } |
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374 |
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375 case EEqualizerCmdHelp: |
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376 { |
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377 HlpLauncher::LaunchHelpApplicationL |
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378 ( iEikonEnv->WsSession(), |
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379 CEikonEnv::Static()->AppUi()->AppHelpContextL() ); |
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380 break; |
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381 } |
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382 |
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383 case EEqualizerCmdReset: |
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384 { |
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385 iAudEqUtility->GetPresetL(iPresetIndex); |
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386 CAudioEqualizer& audioEqualizer = iAudEqUtility->Equalizer(); |
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387 |
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388 if (iPresetIndex < iAudEqUtility->NumberOfPreDefinedPresets()) |
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389 { |
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390 //Predefined preset |
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391 iAudEqUtility->ResetPresetL(iPresetIndex); |
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392 SetMoverPositionsL(ETrue); |
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393 } |
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394 else |
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395 { |
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396 //User defined preset, Reset manually |
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397 for (TInt i =0; i<iNumberOfFreqBands; i++) |
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398 { |
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399 TInt scaleHeight = iBackgroundRect[i].Height(); |
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400 TInt scaleZeroPos = (iBackgroundRect[i].iTl.iY) |
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401 + (scaleHeight / 2); |
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402 (*iMover)[i] = scaleZeroPos; |
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403 audioEqualizer.SetBandLevelL(i+1, 0); |
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404 } |
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405 iAudEqUtility->ModifyPresetL(iPresetIndex, iPresetName, |
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406 audioEqualizer); |
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407 } |
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408 |
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409 if (iIsActivePreset) |
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410 { |
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411 TRAP_IGNORE(iAudEqUtility->ApplyPresetL(iPresetIndex)); |
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412 } |
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413 |
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414 // In MPX, we need to callback to observer when a preset is changed |
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415 if( iIsActivePreset ) |
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416 { |
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417 iObserver.HandlePresetActivation( iPresetKey ); |
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418 } |
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419 iFreqBandContainer->SetRect(iRect); |
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420 DrawNow(); |
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421 break; |
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422 } |
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423 |
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424 default: |
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425 { |
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426 break; |
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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 // ------------------------------------------------------------------- |
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432 // void CEqualizerEditingDialog::GetHelpContext( |
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433 // TCoeHelpContext& aContext ) const |
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434 // Get help context for the control |
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435 // -------------------------------------------------------------------- |
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436 // |
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437 void CEqualizerEditingDialog::GetHelpContext( |
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438 TCoeHelpContext& aContext ) const |
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439 { |
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440 aContext.iMajor = KUidEqualizer; |
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441 aContext.iContext = KEQ_HLP_EDITING_VIEW; |
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442 } |
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443 |
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444 // --------------------------------------------------------------------------- |
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445 // CEqualizerEditingDialog::DynInitMenuPaneL( |
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446 // TInt aResourceId,CEikMenuPane* aMenuPane) |
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447 // This function is called by the EIKON framework just before it displays |
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448 // a menu pane. Its default implementation is empty, and by overriding it, |
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449 // the application can set the state of menu items dynamically according |
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450 // to the state of application data. |
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451 // --------------------------------------------------------------------------- |
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452 // |
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453 void CEqualizerEditingDialog::DynInitMenuPaneL( |
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454 TInt aResourceId, CEikMenuPane* aMenuPane) |
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455 { |
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456 if ( aResourceId == R_EQUALIZER_SETTINGS_MENU) |
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457 { |
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458 iMenuBar->SetMenuType(CEikMenuBar::EMenuOptions); |
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459 // Help should be displayed only if the feature is supported |
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460 // according to Feature Manager |
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461 if (!FeatureManager::FeatureSupported(KFeatureIdHelp)) |
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462 { |
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463 aMenuPane->SetItemDimmed(EEqualizerCmdHelp, ETrue); |
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464 } |
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465 |
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466 if(iContextSensitiveMenu) |
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467 { |
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468 iMenuBar->SetMenuType(CEikMenuBar::EMenuContext); |
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469 aMenuPane->SetItemDimmed(EAknCmdExit, ETrue); |
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470 aMenuPane->SetItemDimmed(EEqualizerCmdHelp, ETrue); |
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471 iContextSensitiveMenu = EFalse; |
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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 // CEqualizerEditingDialog::SetAudioEqualizerL(CAudioEqualizerUtility* |
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478 // aAudEqUtility) |
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479 // This function is used to set a new CAudioEqualizerUtility* |
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480 // ---------------------------------------------------------------------------- |
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481 // |
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482 void CEqualizerEditingDialog::SetAudioEqualizerL( |
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483 CAudioEqualizerUtility* aAudEqUtility) |
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484 { |
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485 iAudEqUtility=aAudEqUtility; |
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486 if (iAudEqUtility) |
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487 { |
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488 iIgnoreKeyEvents = EFalse; |
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489 iFreqBandContainer->SetAudioEqualizerL(aAudEqUtility); |
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490 } |
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491 else |
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492 { |
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493 iIgnoreKeyEvents = ETrue; |
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494 } |
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495 } |
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496 |
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497 // ------------------------------------------------------------------- |
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498 // TInt CEqualizerEditingDialog::ExecuteLD() |
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499 // This function is called to execute and delete the dialog |
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500 // -------------------------------------------------------------------- |
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501 // |
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502 TInt CEqualizerEditingDialog::ExecuteLD() |
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503 { |
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504 return CAknDialog::ExecuteLD(R_EQUALIZER_EDITING_DIALOG); |
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505 } |
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506 |
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507 // ------------------------------------------------------------------- |
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508 // TBool CEqualizerEditingDialog::OkToExitL(TInt aButtonId) |
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509 // This function is called when the OK key is pressed |
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510 // -------------------------------------------------------------------- |
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511 // |
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512 TBool CEqualizerEditingDialog::OkToExitL(TInt aButtonId) |
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513 { |
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514 TBool ret = EFalse; |
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515 if (aButtonId == EEikBidOk) |
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516 { |
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517 ret = EFalse; |
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518 } |
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519 else if (aButtonId == EAknSoftkeyBack) |
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520 { |
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521 CAudioEqualizer& audioEqualizer = iAudEqUtility->Equalizer(); |
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522 iAudEqUtility->ModifyPresetL(iPresetIndex, iPresetName, audioEqualizer); |
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523 |
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524 HBufC* iTitleText = StringLoader::LoadLC(R_QTN_EQUALIZER_TITLE_TEXT); |
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525 CEikStatusPane* sp=iEikonEnv->AppUiFactory()->StatusPane(); |
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526 CAknTitlePane* tp=(CAknTitlePane*)sp->ControlL(TUid::Uid(EEikStatusPaneUidTitle)); |
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527 tp->SetTextL(*iTitleText); |
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528 CleanupStack::PopAndDestroy(iTitleText); |
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529 |
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530 ret = CAknDialog::OkToExitL( aButtonId ); |
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531 } |
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532 else if(aButtonId == EAknSoftkeyContextOptions) |
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533 { |
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534 iContextSensitiveMenu = ETrue; |
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535 DisplayMenuL(); |
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536 } |
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537 else |
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538 { |
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539 ret = CAknDialog::OkToExitL( aButtonId ); |
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540 } |
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541 return ret; |
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542 } |
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543 |
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544 // ------------------------------------------------------------------- |
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545 // TInt CEqualizerEditingDialog::GetMoverPosition(TInt aBandIndex) |
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546 // This function returns the current mover position for each frequency band |
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547 // -------------------------------------------------------------------- |
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548 // |
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549 TInt CEqualizerEditingDialog::GetMoverPosition(TInt aBandIndex) |
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550 { |
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551 return (*iMover)[aBandIndex]; |
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552 } |
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553 |
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554 // End of File |
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