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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: Telephony Multimedia Service |
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15 * |
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16 */ |
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17 |
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18 #ifndef TMSCSDEVSOUND_H |
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19 #define TMSCSDEVSOUND_H |
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20 |
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21 #include <sounddevice.h> |
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22 |
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23 namespace TMS { |
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24 |
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25 class TMSCSPDevSoundObserver; |
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26 |
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27 /** |
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28 * Wrapper for CMMFDevSound |
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29 * |
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30 */ |
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31 NONSHARABLE_CLASS(TMSCSPDevSound) : public CBase, |
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32 public MDevSoundObserver |
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33 { |
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34 public: |
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35 |
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36 /** |
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37 * Destructor. |
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38 */ |
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39 virtual ~TMSCSPDevSound(); |
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40 |
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41 /** |
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42 * Activates the dev sound stream. TMSCSPDevSoundObserver methods are called |
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43 * when activation goes ok or fails. If the stream is already active or |
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44 * activating then nothing is done. |
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45 */ |
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46 virtual void Activate(); |
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47 |
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48 /** |
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49 * Deactivates the devsound stream. If stream is not active or |
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50 * activation is not ongoing then nothing is done. |
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51 */ |
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52 virtual void Deactivate(); |
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53 |
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54 /** |
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55 * Indicates that activation is ongoing, |
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56 * but the result of the activation is still unknown. |
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57 * @return ETrue - activation ongoing, EFalse - activation not ongoing. |
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58 */ |
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59 TBool IsActivationOngoing() const; |
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60 |
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61 /** |
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62 * Determines wether the devsound stream is active or not. |
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63 * @return ETrue - Stream is active, EFalse - Stream not active. |
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64 */ |
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65 TBool IsActive() const; |
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66 |
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67 CMMFDevSound& DevSound(); |
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68 |
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69 // from base class MDevSoundObserver |
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70 |
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71 /** |
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72 * From MDevSoundObserver |
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73 * Empty implementation |
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74 */ |
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75 void InitializeComplete(TInt aError); |
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76 |
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77 /** |
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78 * From MDevSoundObserver |
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79 * Empty implementation |
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80 */ |
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81 void BufferToBeFilled(CMMFBuffer* aBuffer); |
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82 |
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83 /** |
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84 * From MDevSoundObserver |
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85 * Empty implementation |
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86 */ |
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87 void PlayError(TInt aError); |
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88 |
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89 /** |
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90 * From MDevSoundObserver |
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91 * Empty implementation |
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92 */ |
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93 void ToneFinished(TInt aError); |
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94 |
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95 /** |
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96 * From MDevSoundObserver |
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97 * Empty implementation |
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98 */ |
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99 void BufferToBeEmptied(CMMFBuffer* aBuffer); |
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100 |
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101 /** |
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102 * From MDevSoundObserver |
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103 * Empty implementation |
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104 */ |
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105 void RecordError(TInt aError); |
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106 |
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107 /** |
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108 * From MDevSoundObserver |
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109 * Empty implementation |
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110 */ |
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111 void ConvertError(TInt aError); |
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112 |
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113 /** |
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114 * From MDevSoundObserver |
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115 * Empty implementation |
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116 */ |
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117 void DeviceMessage(TUid aMessageType, const TDesC8& aMsg); |
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118 |
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119 protected: |
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120 |
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121 TMSCSPDevSound(TMSCSPDevSoundObserver& aObserver); |
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122 |
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123 void ConstructL(TMMFState aMode, gint aAudioPreference, |
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124 gint aAudioPriority); |
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125 |
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126 private: |
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127 |
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128 /** |
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129 * Derived class has to activate the stream here. |
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130 */ |
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131 virtual void DoActivateL() = 0; |
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132 |
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133 protected: |
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134 |
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135 TUint iStreamType; |
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136 |
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137 /** |
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138 * Indication if device is activated. Derived class has to update this. |
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139 */ |
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140 TBool iActive; |
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141 |
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142 /** |
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143 * Indication if activation is ongoing. |
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144 * Derived class has to update this. |
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145 */ |
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146 TBool iActivationOngoing; |
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147 |
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148 /** |
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149 * Devsound instance |
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150 * Own. |
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151 */ |
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152 CMMFDevSound* iDevSound; |
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153 |
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154 /** |
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155 * Observer for successfull activation. |
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156 * Not own. |
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157 */ |
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158 TMSCSPDevSoundObserver& iObserver; |
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159 |
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160 }; |
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161 |
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162 } //namespace TMS |
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163 |
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164 #endif // TMSCSDEVSOUND_H |