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1 /* |
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2 * Copyright (c) 2006 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: Project file for EnhancedMediaClient Utility |
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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 #include "VolumeEffectImpl.h" |
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20 // For KUidInterfaceMMFAudioPlayDevice |
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21 #include <mmf/common/mmfstandardcustomcommands.h> |
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22 #ifdef SYMBIAN_ENABLE_SPLIT_HEADERS |
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23 #include <mmf/common/mmfstandardcustomcommandsimpl.h> |
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24 #include <mmf/common/mmfstandardcustomcommandsenums.h> |
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25 #endif |
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26 // For TMMFAudioConfig |
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27 #include <mmf/common/mmfaudio.h> |
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28 // For TMMFMessageDestinationPckg |
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29 #include <mmf/common/mmfcontrollerframework.h> |
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30 |
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31 |
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32 using namespace multimedia; |
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33 |
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34 CVolumeEffect::CVolumeEffect() |
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35 : iVolume(KErrUnknown) |
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36 ,iRampDuration(0) |
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37 ,iEnabled(false) |
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38 { |
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39 // No Impl |
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40 } |
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41 |
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42 CVolumeEffect::~CVolumeEffect() |
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43 { |
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44 // No Impl |
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45 } |
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46 |
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47 TInt CVolumeEffect::PostConstructor() |
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48 { |
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49 TRAPD( status, CEffectControlBase::ConstructL( KUidInterfaceMMFAudioPlayDevice ) ); |
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50 return status; |
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51 } |
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52 |
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53 // From MControl begins |
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54 TInt CVolumeEffect::AddObserver( MControlObserver& /*aObserver*/ ) |
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55 { |
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56 return KErrNotSupported; |
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57 } |
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58 |
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59 TInt CVolumeEffect::RemoveObserver( MControlObserver& /*aObserver*/ ) |
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60 { |
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61 return KErrNotSupported; |
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62 } |
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63 |
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64 TUid CVolumeEffect::Type() |
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65 { |
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66 return KVolumeEffectControl; |
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67 } |
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68 |
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69 TControlType CVolumeEffect::ControlType() |
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70 { |
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71 return EEffectControl; |
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72 } |
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73 |
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74 // From MControl ends |
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75 |
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76 // From MEffectControl begins |
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77 TInt CVolumeEffect::Apply() |
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78 { |
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79 iEnabled = true; |
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80 return DoApply(); |
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81 } |
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82 |
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83 // From MEffectControl ends |
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84 |
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85 TInt CVolumeEffect::DoApply() |
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86 { |
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87 TInt error(KErrNone); |
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88 TMMFMessageDestination msgDest( KUidInterfaceMMFAudioPlayDevice ); |
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89 TMMFMessageDestinationPckg msgDestPckg( msgDest ); |
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90 TPckgBuf<TMMFAudioConfig> configPackage; |
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91 configPackage().iVolume = iVolume; |
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92 error = CEffectControlBase::CustomCommandSync( msgDestPckg, |
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93 EMMFAudioPlayDeviceSetVolume, |
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94 configPackage, |
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95 KNullDesC8); |
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96 |
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97 |
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98 |
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99 if(iRampDuration > 0) |
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100 { |
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101 configPackage().iRampDuration = iRampDuration; |
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102 error = CEffectControlBase::CustomCommandSync( msgDestPckg, |
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103 EMMFAudioPlayDeviceSetVolumeRamp, |
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104 configPackage, |
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105 KNullDesC8); |
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106 } |
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107 |
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108 return error; |
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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 // From MVolumeEffect begins |
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114 TInt CVolumeEffect::SetVolume( TInt& aVolume ) |
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115 { |
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116 iVolume = aVolume; |
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117 return KErrNone; |
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118 } |
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119 |
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120 TInt CVolumeEffect::GetVolume( TInt& aVolume ) |
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121 { |
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122 aVolume = iVolume; |
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123 return KErrNone; |
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124 } |
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125 |
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126 TInt CVolumeEffect::GetMaxVolume( TInt& aVolume ) |
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127 { |
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128 TMMFMessageDestination msgDest( KUidInterfaceMMFAudioPlayDevice ); |
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129 TMMFMessageDestinationPckg msgDestPckg( msgDest ); |
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130 TPckgBuf<TMMFAudioConfig> configPackage; |
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131 TInt error = CEffectControlBase::CustomCommandSync( msgDestPckg, |
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132 EMMFAudioPlayDeviceGetMaxVolume, |
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133 KNullDesC8, |
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134 KNullDesC8, |
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135 configPackage ); |
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136 if (!error) |
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137 aVolume = configPackage().iMaxVolume; |
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138 |
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139 return error; |
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140 |
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141 } |
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142 |
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143 TInt CVolumeEffect::GetMinVolume( TInt& aMinVolume ) |
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144 { |
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145 aMinVolume = 0; |
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146 return KErrNone; |
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147 } |
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148 |
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149 TInt CVolumeEffect::GetDefaultVolume( TInt& aDefaultVolume ) |
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150 { |
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151 TInt maxVol=0; |
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152 TInt err = GetMaxVolume(maxVol); |
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153 if(err) |
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154 return err; |
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155 |
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156 aDefaultVolume = (maxVol)/2; |
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157 return KErrNone; |
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158 } |
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159 |
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160 TInt CVolumeEffect::SetVolumeRamp(TInt /*aInitialVol*/,TInt aFinalVol,TUint64& aDuration,TVolumeRampMode /*aMode*/) |
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161 { |
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162 iVolume = aFinalVol; |
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163 iRampDuration = aDuration; |
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164 return KErrNone; |
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165 } |
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166 |
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167 // From CEffectControlBase begins |
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168 void CVolumeEffect::Event( TEffectControlEvent aEvent ) |
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169 { |
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170 TMMFMessageDestination msgDest( KUidInterfaceMMFAudioPlayDevice ); |
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171 TMMFMessageDestinationPckg msgDestPckg( msgDest ); |
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172 TPckgBuf<TMMFAudioConfig> configPackage; |
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173 // Controller Loaded with ECIBuilderCreated |
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174 if ( aEvent == ECIBuilderCreated ) |
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175 { |
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176 if(iVolume == KErrUnknown) |
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177 { |
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178 TPckgBuf<TMMFAudioConfig> configPackage; |
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179 TInt error = CEffectControlBase::CustomCommandSync(msgDestPckg, |
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180 EMMFAudioPlayDeviceGetVolume, |
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181 KNullDesC8, |
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182 KNullDesC8, |
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183 configPackage); |
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184 |
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185 if (!error) |
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186 { |
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187 iVolume = configPackage().iVolume; |
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188 } |
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189 } |
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190 } |
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191 |
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192 if(iEnabled && iVolume != KErrUnknown) |
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193 { |
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194 DoApply(); |
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195 } |
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196 } |
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197 |
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198 // From CEffectControlBase ends |
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199 |
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200 // End of file |