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1 /* |
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2 * Copyright (c) 2007-2008 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: Tone Wrapper implementation |
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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 <mdaaudiotoneplayer.h> |
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21 #include <AudioPreference.h> |
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22 |
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23 #include "CamPanic.h" |
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24 #include "camlogging.h" |
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25 #include "mcamplayerobserver.h" |
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26 #include "camtoneplayerwrapper.h" |
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27 |
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28 |
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29 |
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30 |
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31 // =========================================================================== |
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32 // public constructors and destructor |
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33 |
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34 // --------------------------------------------------------------------------- |
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35 // NewL <<static>> |
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36 // |
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37 // --------------------------------------------------------------------------- |
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38 // |
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39 CCamTonePlayerWrapper* |
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40 CCamTonePlayerWrapper::NewL( MCamPlayerObserver& aObserver ) |
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41 { |
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42 CCamTonePlayerWrapper* self = |
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43 new (ELeave) CCamTonePlayerWrapper( aObserver ); |
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44 |
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45 CleanupStack::PushL( self ); |
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46 self->ConstructL(); |
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47 CleanupStack::Pop( self ); |
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48 |
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49 return self; |
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50 } |
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51 |
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52 // --------------------------------------------------------------------------- |
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53 // destructor <<virtual>> |
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54 // |
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55 // --------------------------------------------------------------------------- |
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56 // |
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57 CCamTonePlayerWrapper::~CCamTonePlayerWrapper() |
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58 { |
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59 CancelPlay(); |
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60 |
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61 delete iTone; |
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62 iTone = NULL; |
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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 // from MMdaAudioToneObserver |
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68 |
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69 // --------------------------------------------------------------------------- |
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70 // MatoPrepareComplete <<virtual>> |
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71 // |
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72 // --------------------------------------------------------------------------- |
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73 // |
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74 void |
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75 CCamTonePlayerWrapper::MatoPrepareComplete( TInt aStatus ) |
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76 { |
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77 PRINT( _L("Camera => CCamTonePlayerWrapper::MatoPrepareComplete") ); |
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78 if( KErrNone == aStatus ) |
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79 { |
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80 iState = CCamTonePlayerWrapper::EPlaying; |
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81 iTone->Play(); |
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82 #ifdef __WINSCW__ |
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83 // The tone player does not give a callback on the emulator. |
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84 // Emulate a callback here. |
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85 MatoPlayComplete( KErrNone ); |
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86 #endif // __WINSCW__ |
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87 } |
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88 else if( iCallback ) |
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89 { |
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90 NotifyPlayComplete( aStatus ); |
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91 } |
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92 else |
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93 { |
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94 // No action |
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95 } |
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96 |
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97 PRINT( _L("Camera <= CCamTonePlayerWrapper::MatoPrepareComplete") ); |
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98 } |
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99 |
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100 |
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101 // --------------------------------------------------------------------------- |
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102 // MatoPlayComplete <<virtual>> |
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103 // --------------------------------------------------------------------------- |
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104 // |
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105 void |
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106 CCamTonePlayerWrapper::MatoPlayComplete( TInt aStatus ) |
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107 { |
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108 NotifyPlayComplete( aStatus ); |
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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 // other public |
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115 |
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116 // --------------------------------------------------------------------------- |
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117 // PlayTone |
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118 // --------------------------------------------------------------------------- |
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119 // |
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120 void |
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121 CCamTonePlayerWrapper::PlayTone( TInt aToneInHz, |
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122 TInt aLengthInUs, |
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123 TReal32 aVolumeInPercent, |
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124 TBool aCallback ) |
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125 { |
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126 PRINT2( _L("Camera => CCamTonePlayerWrapper::PlayTone, callback:%d iState[%s]"), |
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127 aCallback, |
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128 KCamTonePlayerWrapperStateNames[iState] ); |
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129 |
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130 iCallback = aCallback; |
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131 |
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132 switch( iState ) |
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133 { |
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134 // --------------------------------- |
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135 case CCamTonePlayerWrapper::EIdle: |
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136 { |
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137 iState = CCamTonePlayerWrapper::EInitializing; |
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138 iTone->SetVolume( aVolumeInPercent * iTone->MaxVolume() ); |
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139 iTone->PrepareToPlayTone( aToneInHz, aLengthInUs ); |
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140 |
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141 break; |
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142 } |
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143 // --------------------------------- |
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144 case CCamTonePlayerWrapper::EInitializing: |
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145 case CCamTonePlayerWrapper::EPlaying: |
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146 { |
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147 // Do notification, if asked. |
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148 // This play request is simply skipped, |
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149 // as there's tone playing on the way right now. |
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150 if( aCallback ) |
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151 { |
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152 iObserver.PlayComplete( KErrInUse, -1 ); //iState-1 is another suggestion. |
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153 } |
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154 break; |
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155 } |
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156 default: |
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157 CamPanic( ECamPanicInvalidState ); |
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158 break; |
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159 // --------------------------------- |
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160 } |
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161 |
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162 PRINT( _L("Camera <= CCamAudioPlayerWrapper::Play") ); |
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163 } |
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164 |
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165 |
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166 // --------------------------------------------------------------------------- |
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167 // CancelPlay |
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168 // --------------------------------------------------------------------------- |
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169 // |
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170 void |
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171 CCamTonePlayerWrapper::CancelPlay() |
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172 { |
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173 if( iTone ) |
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174 { |
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175 switch( iState ) |
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176 { |
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177 case CCamTonePlayerWrapper::EPlaying: |
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178 iTone->CancelPlay(); |
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179 // Because of the observer callback function MMdaAudioToneObserver::MatoPrepareComplete() is not called, |
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180 // so set state to idle directly |
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181 iState = CCamTonePlayerWrapper::EIdle; |
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182 break; |
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183 case CCamTonePlayerWrapper::EInitializing: |
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184 iTone->CancelPrepare(); |
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185 // Because of the observer callback function MMdaAudioToneObserver::MatoPrepareComplete() is not called, |
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186 // so set state to idle directly |
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187 iState = CCamTonePlayerWrapper::EIdle; |
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188 break; |
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189 case CCamTonePlayerWrapper::EIdle: |
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190 default: |
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191 break; |
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192 } |
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193 } |
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194 } |
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195 |
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196 |
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197 |
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198 // =========================================================================== |
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199 // other private |
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200 |
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201 // --------------------------------------------------------------------------- |
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202 // NotifyPlayComplete |
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203 // --------------------------------------------------------------------------- |
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204 // |
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205 void |
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206 CCamTonePlayerWrapper::NotifyPlayComplete( TInt aStatus ) |
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207 { |
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208 PRINT( _L("Camera => CCamTonePlayerWrapper::NotifyPlayComplete") ); |
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209 |
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210 // Play is complete, return to idle state. |
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211 iState = CCamTonePlayerWrapper::EIdle; |
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212 |
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213 // Notify observer received status. |
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214 // Sound id is not usable here. |
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215 if( iCallback ) |
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216 iObserver.PlayComplete( aStatus, -1 ); |
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217 |
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218 PRINT( _L("Camera <= CCamTonePlayerWrapper::NotifyPlayComplete") ); |
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219 } |
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220 |
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221 |
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222 |
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223 // =========================================================================== |
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224 // private constructors |
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225 |
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226 // --------------------------------------------------------------------------- |
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227 // ConstructL |
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228 // --------------------------------------------------------------------------- |
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229 // |
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230 void |
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231 CCamTonePlayerWrapper::ConstructL() |
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232 { |
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233 iTone = CMdaAudioToneUtility::NewL( |
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234 *this, |
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235 NULL, |
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236 KAudioPriorityCameraTone, |
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237 TMdaPriorityPreference( KAudioPrefCamera ) ); |
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238 } |
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239 |
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240 |
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241 // --------------------------------------------------------------------------- |
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242 // constructor |
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243 // --------------------------------------------------------------------------- |
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244 // |
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245 CCamTonePlayerWrapper |
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246 ::CCamTonePlayerWrapper( MCamPlayerObserver& aObserver ) |
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247 : iObserver ( aObserver ), |
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248 iTone ( NULL ), |
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249 iState ( CCamTonePlayerWrapper::EIdle ), |
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250 iCallback ( EFalse ) |
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251 { |
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252 } |
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253 |
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254 // =========================================================================== |
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255 // end of file |