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1 /* |
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2 * Copyright (c) 2005-2007 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: Publish&Subscribe component of FM Radio |
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15 * |
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16 */ |
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17 |
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18 #include "fmradiocontroleventobserver.h" |
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19 |
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20 #include "fmradiopubsub.h" |
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21 |
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22 |
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23 // ================= MEMBER FUNCTIONS ======================= |
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24 |
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25 // --------------------------------------------------------------------------- |
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26 // C++ default constructor can NOT contain any code, that might leave. |
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27 // --------------------------------------------------------------------------- |
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28 // |
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29 CFMRadioPubSub::CFMRadioPubSub() |
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30 { |
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31 } |
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32 |
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33 // --------------------------------------------------------------------------- |
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34 // EPOC default constructor can leave. |
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35 // --------------------------------------------------------------------------- |
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36 // |
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37 void CFMRadioPubSub::ConstructL() |
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38 { |
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39 // Define data properties. |
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40 DefinePropertyL( KFMRadioPSDataChannel, RProperty::EInt, ETrue ); |
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41 DefinePropertyL( KFMRadioPSDataFrequency, RProperty::EInt, ETrue ); |
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42 DefinePropertyL( KFMRadioPSDataRadioPowerState, RProperty::EInt, ETrue ); |
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43 DefinePropertyL( KFMRadioPSDataVolume, RProperty::EInt, ETrue ); |
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44 DefinePropertyL( KFMRadioPSDataChannelDataChanged, RProperty::EInt, ETrue ); |
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45 DefinePropertyL( KFMRadioPSDataTuningState, RProperty::EInt, ETrue ); |
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46 DefinePropertyL( KFMRadioPSDataRadioMuteState, RProperty::EInt, ETrue ); |
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47 DefinePropertyL( KFMRadioPSDataApplicationRunning, RProperty::EInt, ETrue ); |
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48 DefinePropertyL( KFMRadioPSDataHeadsetStatus, RProperty::EInt, ETrue ); |
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49 DefinePropertyL( KFMRadioPSDataFrequencyDecimalCount, RProperty::EInt, ETrue ); |
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50 DefinePropertyL( KFMRadioPSDataLoudspeakerStatus, RProperty::EInt, ETrue ); |
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51 DefinePropertyL( KFMRadioPSDataRDSProgramService, RProperty::EText, ETrue ); |
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52 DefinePropertyL( KFMRadioPSDataRDSRadioText, RProperty::EText, ETrue ); |
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53 DefinePropertyL( KFMRadioPSDataChannelName, RProperty::EText, ETrue ); |
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54 |
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55 // Define control properties. |
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56 DefinePropertyL( KFMRadioPSControlStepToChannel, RProperty::EInt, EFalse ); |
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57 DefinePropertyL( KFMRadioPSControlSeek, RProperty::EInt, EFalse ); |
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58 DefinePropertyL( KFMRadioPSControlSetRadioMuteState , RProperty::EInt, EFalse ); |
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59 // Observe control properties. |
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60 DefinePropertyL( KFMRadioActiveIdlePresetListCount, RProperty::EInt, ETrue ); |
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61 DefinePropertyL( KFMRadioActiveIdlePresetListFocus, RProperty::EInt, ETrue ); |
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62 |
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63 |
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64 CFMRadioPropertyObserver* observer = CFMRadioPropertyObserver::NewLC( *this, |
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65 KFMRadioPSUid, KFMRadioPSControlStepToChannel, CFMRadioPropertyObserver::EFMRadioPropertyInt); |
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66 iPropertyArray.AppendL( observer ); |
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67 CleanupStack::Pop( observer ); |
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68 |
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69 observer = CFMRadioPropertyObserver::NewLC( *this, |
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70 KFMRadioPSUid, KFMRadioPSControlSeek, CFMRadioPropertyObserver::EFMRadioPropertyInt ); |
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71 iPropertyArray.AppendL( observer ); |
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72 CleanupStack::Pop( observer ); |
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73 |
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74 observer = CFMRadioPropertyObserver::NewLC( *this, |
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75 KFMRadioPSUid, KFMRadioPSControlSetRadioMuteState, CFMRadioPropertyObserver::EFMRadioPropertyInt ); |
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76 iPropertyArray.AppendL( observer ); |
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77 CleanupStack::Pop( observer ); |
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78 |
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79 observer = CFMRadioPropertyObserver::NewLC( *this, |
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80 KFMRadioPSUid, KFMRadioActiveIdlePresetListCount, CFMRadioPropertyObserver::EFMRadioPropertyInt ); |
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81 iPropertyArray.AppendL( observer ); |
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82 CleanupStack::Pop( observer ); |
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83 |
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84 for ( TInt i = 0; i < iPropertyArray.Count(); i++ ) |
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85 { |
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86 iPropertyArray[i]->ActivateL(); |
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87 } |
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88 } |
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89 |
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90 // -------------------------------------------------------f-------------------- |
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91 // Two-phased constructor. |
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92 // --------------------------------------------------------------------------- |
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93 // |
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94 CFMRadioPubSub* CFMRadioPubSub::NewL() |
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95 { |
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96 CFMRadioPubSub* self = new (ELeave) CFMRadioPubSub(); |
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97 CleanupStack::PushL(self); |
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98 self->ConstructL(); |
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99 CleanupStack::Pop(); |
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100 return self; |
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101 } |
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102 |
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103 |
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104 // --------------------------------------------------------------------------- |
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105 // Destructor |
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106 // --------------------------------------------------------------------------- |
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107 // |
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108 CFMRadioPubSub::~CFMRadioPubSub() |
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109 { |
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110 iPropertyArray.ResetAndDestroy(); |
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111 iPropertyArray.Close(); |
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112 |
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113 DeleteProperty( KFMRadioPSDataChannel ); |
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114 DeleteProperty( KFMRadioPSDataFrequency ); |
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115 DeleteProperty( KFMRadioPSDataRadioPowerState ); |
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116 DeleteProperty( KFMRadioPSDataVolume ); |
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117 DeleteProperty( KFMRadioPSDataChannelDataChanged ); |
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118 DeleteProperty( KFMRadioPSDataTuningState ); |
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119 DeleteProperty( KFMRadioPSDataRadioMuteState ); |
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120 DeleteProperty( KFMRadioPSDataApplicationRunning ); |
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121 DeleteProperty( KFMRadioPSDataHeadsetStatus ); |
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122 DeleteProperty( KFMRadioPSDataFrequencyDecimalCount ); |
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123 DeleteProperty( KFMRadioPSDataLoudspeakerStatus ); |
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124 DeleteProperty( KFMRadioPSDataRDSProgramService ); |
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125 DeleteProperty( KFMRadioPSDataRDSRadioText ); |
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126 DeleteProperty( KFMRadioPSDataChannelName ); |
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127 |
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128 DeleteProperty( KFMRadioPSControlStepToChannel ); |
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129 DeleteProperty( KFMRadioPSControlSeek ); |
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130 DeleteProperty( KFMRadioPSControlSetRadioMuteState ); |
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131 DeleteProperty ( KFMRadioActiveIdlePresetListCount); |
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132 DeleteProperty ( KFMRadioActiveIdlePresetListFocus); |
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133 } |
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134 |
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135 // --------------------------------------------------------------------------- |
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136 // Defines a property. |
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137 // --------------------------------------------------------------------------- |
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138 // |
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139 void CFMRadioPubSub::DefinePropertyL( TUint aKey, TInt aAttr, TBool aDataProperty ) const |
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140 { |
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141 /*lint -save -e648*/ |
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142 _LIT_SECURITY_POLICY_PASS( KFMRadioExternalAccessPolicy ); |
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143 /*lint -restore*/ |
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144 _LIT_SECURITY_POLICY_S0( KFMRadioInternalAccessPolicy, KUidFMRadioApplication ); |
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145 |
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146 TInt err = KErrNone; |
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147 if ( aDataProperty ) |
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148 { |
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149 // For data properties, grant read access for all, but write access only for FMRadioEngine |
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150 err = RProperty::Define( KFMRadioPSUid, aKey, aAttr, KFMRadioExternalAccessPolicy, KFMRadioInternalAccessPolicy ); |
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151 } |
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152 else |
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153 { |
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154 // For control properties, grant read access only for FMRadioEngine , but write access for all |
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155 err = RProperty::Define( KFMRadioPSUid, aKey, aAttr, KFMRadioInternalAccessPolicy, KFMRadioExternalAccessPolicy ); |
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156 } |
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157 |
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158 |
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159 if ( err && err != KErrAlreadyExists ) |
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160 { |
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161 User::Leave( err ); |
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162 } |
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163 } |
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164 |
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165 // --------------------------------------------------------------------------- |
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166 // Deletes a property |
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167 // --------------------------------------------------------------------------- |
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168 // |
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169 void CFMRadioPubSub::DeleteProperty( TUint aKey ) const |
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170 { |
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171 RProperty::Delete( KFMRadioPSUid, aKey ); |
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172 } |
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173 |
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174 // --------------------------------------------------------------------------- |
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175 // Gets the integer value stored in a property. |
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176 // --------------------------------------------------------------------------- |
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177 // |
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178 TInt CFMRadioPubSub::PropertyValueIntL( TUint aKey ) const |
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179 { |
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180 TInt value; |
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181 User::LeaveIfError( RProperty::Get( KFMRadioPSUid, aKey, value ) ); |
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182 return value; |
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183 } |
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184 |
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185 // --------------------------------------------------------------------------- |
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186 // Sets a property's value. |
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187 // --------------------------------------------------------------------------- |
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188 // |
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189 void CFMRadioPubSub::SetPropertyValueL( TUint aKey, TInt aValue ) const |
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190 { |
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191 User::LeaveIfError( RProperty::Set( KFMRadioPSUid, aKey, aValue ) ); |
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192 } |
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193 |
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194 // --------------------------------------------------------------------------- |
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195 // Sets a text property value |
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196 // --------------------------------------------------------------------------- |
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197 // |
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198 void CFMRadioPubSub::SetPropertyValueL( TUint aKey, const TDesC& aValue ) const |
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199 { |
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200 User::LeaveIfError( RProperty::Set( KFMRadioPSUid, aKey, aValue ) ); |
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201 } |
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202 |
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203 // --------------------------------------------------------------------------- |
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204 // CFMRadioPubSub::HandlePropertyChangeL |
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205 // --------------------------------------------------------------------------- |
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206 // |
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207 void CFMRadioPubSub::HandlePropertyChangeL( const TUid& aCategory, const TUint aKey, const TInt aValue ) |
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208 { |
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209 if (aCategory != KFMRadioPSUid) |
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210 { |
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211 User::Leave(KErrArgument); |
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212 } |
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213 |
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214 if (iObserver) |
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215 { |
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216 if (aKey == KFMRadioPSControlStepToChannel) |
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217 { |
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218 switch (aValue) |
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219 { |
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220 case EFMRadioPSStepToChannelUninitialized: |
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221 { |
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222 break; |
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223 } |
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224 case EFMRadioPSStepToChannelUp: |
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225 { |
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226 iObserver->StepToChannelL(EFMRadioUp); |
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227 break; |
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228 } |
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229 case EFMRadioPSStepToChannelDown: |
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230 { |
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231 iObserver->StepToChannelL(EFMRadioDown); |
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232 break; |
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233 } |
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234 default: |
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235 { |
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236 break; |
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237 } |
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238 } |
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239 } |
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240 else if (aKey == KFMRadioPSControlSeek) |
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241 { |
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242 switch (aValue) |
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243 { |
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244 case EFMRadioPSSeekUninitialized: |
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245 { |
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246 break; |
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247 } |
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248 case EFMRadioPSSeekUp: |
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249 { |
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250 iObserver->SeekL(EFMRadioUp); |
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251 break; |
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252 } |
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253 case EFMRadioPSSeekDown: |
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254 { |
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255 iObserver->SeekL(EFMRadioDown); |
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256 break; |
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257 } |
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258 default: |
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259 { |
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260 break; |
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261 } |
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262 } |
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263 } |
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264 else if (aKey == KFMRadioPSControlSetRadioMuteState) |
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265 { |
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266 switch (aValue) |
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267 { |
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268 case EFMRadioPSMuteStateUninitialized: |
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269 { |
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270 break; |
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271 } |
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272 case EFMRadioPSMuteStateOn: |
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273 { |
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274 iObserver->MuteL(ETrue); |
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275 break; |
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276 } |
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277 case EFMRadioPSMuteStateOff: |
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278 { |
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279 iObserver->MuteL(EFalse); |
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280 break; |
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281 } |
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282 default: |
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283 { |
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284 break; |
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285 } |
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286 } |
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287 } |
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288 } |
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289 } |
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290 |
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291 // --------------------------------------------------------------------------- |
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292 // Currently empty implementation because we don't listen byte array type properties. |
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293 // --------------------------------------------------------------------------- |
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294 // |
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295 void CFMRadioPubSub::HandlePropertyChangeL(const TUid& /*aCategory*/, const TUint /*aKey*/, const TDesC8& /*aValue*/) |
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296 { |
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297 } |
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298 |
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299 // --------------------------------------------------------------------------- |
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300 // Currently empty implementation because we don't listen text type properties. |
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301 // --------------------------------------------------------------------------- |
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302 // |
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303 void CFMRadioPubSub::HandlePropertyChangeL(const TUid& /*aCategory*/, const TUint /*aKey*/, const TDesC& /*aValue*/) |
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304 { |
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305 } |
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306 |
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307 // --------------------------------------------------------------------------- |
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308 // CFMRadioPubSub::HandlePropertyChangeErrorL |
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309 // --------------------------------------------------------------------------- |
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310 // |
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311 void CFMRadioPubSub::HandlePropertyChangeErrorL (const TUid& /*aCategory*/, const TUint /*aKey*/, TInt /*aError*/ ) |
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312 { |
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313 //NOP |
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314 } |
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315 |
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316 // --------------------------------------------------------------------------- |
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317 // CFMRadioPubSub::PublishChannelL |
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318 // --------------------------------------------------------------------------- |
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319 // |
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320 void CFMRadioPubSub::PublishChannelL(TInt aChannelId) const |
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321 { |
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322 TInt oldChannelId = PropertyValueIntL( KFMRadioPSDataChannel ); |
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323 |
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324 if ( aChannelId != oldChannelId ) |
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325 { |
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326 SetPropertyValueL( KFMRadioPSDataChannel, aChannelId ); |
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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 // CFMRadioPubSub::PublishFrequencyL |
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332 // --------------------------------------------------------------------------- |
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333 // |
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334 EXPORT_C void CFMRadioPubSub::PublishFrequencyL( TUint32 aFreq ) const |
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335 { |
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336 TInt oldFreq = PropertyValueIntL( KFMRadioPSDataFrequency ); |
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337 |
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338 if ( aFreq != oldFreq ) |
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339 { |
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340 SetPropertyValueL( KFMRadioPSDataFrequency, aFreq ); |
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341 } |
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342 } |
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343 |
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344 // --------------------------------------------------------------------------- |
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345 // CFMRadioPubSub::PublishStateL |
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346 // --------------------------------------------------------------------------- |
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347 // |
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348 EXPORT_C void CFMRadioPubSub::PublishStateL( TBool aPowerOn ) const |
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349 { |
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350 // If application process gets killed, power on state remains published. |
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351 // Must not compare state transition here, because then power on might not be published. |
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352 TFMRadioPSRadioPowerState newState = aPowerOn ? EFMRadioPSRadioPowerOn : EFMRadioPSRadioPowerOff; |
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353 SetPropertyValueL( KFMRadioPSDataRadioPowerState, newState ); |
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354 } |
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355 |
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356 // --------------------------------------------------------------------------- |
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357 // CFMRadioPubSub::PublishVolumeL |
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358 // --------------------------------------------------------------------------- |
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359 // |
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360 void CFMRadioPubSub::PublishVolumeL( TInt aVol ) const |
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361 { |
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362 TInt oldVol = PropertyValueIntL( KFMRadioPSDataVolume ); |
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363 |
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364 if ( aVol != oldVol ) |
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365 { |
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366 SetPropertyValueL( KFMRadioPSDataVolume, aVol ); |
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367 } |
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368 } |
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369 |
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370 // --------------------------------------------------------------------------- |
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371 // CFMRadioPubSub::PublishPresetCountL |
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372 // --------------------------------------------------------------------------- |
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373 // |
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374 EXPORT_C void CFMRadioPubSub::PublishPresetCountL( TInt aVal ) const |
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375 { |
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376 TInt oldVal = PropertyValueIntL( KFMRadioActiveIdlePresetListCount ); |
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377 |
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378 if ( aVal != oldVal ) |
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379 { |
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380 SetPropertyValueL( KFMRadioActiveIdlePresetListCount, aVal ); |
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381 } |
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382 } |
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383 |
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384 // --------------------------------------------------------------------------- |
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385 // CFMRadioPubSub::PublishChannelDataChangedL |
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386 // --------------------------------------------------------------------------- |
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387 // |
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388 void CFMRadioPubSub::PublishChannelDataChangedL( TInt aChannelId ) const |
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389 { |
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390 // Channel data changed notifications are allowed for the same channel multiple times, as the same channel's |
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391 // data can be changed many times in a row. |
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392 |
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393 SetPropertyValueL( KFMRadioPSDataChannelDataChanged, aChannelId ); |
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394 } |
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395 |
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396 // --------------------------------------------------------------------------- |
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397 // CFMRadioPubSub::PublishTuningStateL |
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398 // --------------------------------------------------------------------------- |
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399 // |
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400 void CFMRadioPubSub::PublishTuningStateL( TFMRadioPSTuningState aTuningState ) const |
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401 { |
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402 TFMRadioPSTuningState oldState = static_cast<TFMRadioPSTuningState>( PropertyValueIntL( KFMRadioPSDataTuningState ) ); |
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403 |
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404 if ( aTuningState != oldState ) |
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405 { |
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406 SetPropertyValueL( KFMRadioPSDataTuningState, aTuningState ); |
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407 } |
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408 } |
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409 |
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410 // --------------------------------------------------------------------------- |
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411 // CFMRadioPubSub::PublishMuteStateL |
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412 // --------------------------------------------------------------------------- |
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413 // |
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414 void CFMRadioPubSub::PublishRadioMuteStateL( TBool aMuted ) const |
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415 { |
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416 TFMRadioPSRadioMuteState oldState = static_cast<TFMRadioPSRadioMuteState>( PropertyValueIntL( KFMRadioPSDataRadioMuteState ) ); |
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417 TFMRadioPSRadioMuteState newState = aMuted ? EFMRadioPSMuteStateOn : EFMRadioPSMuteStateOff; |
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418 |
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419 if ( newState != oldState ) |
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420 { |
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421 SetPropertyValueL( KFMRadioPSDataRadioMuteState, newState ); |
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422 } |
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423 } |
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424 |
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425 // --------------------------------------------------------------------------- |
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426 // CFMRadioPubSub::PublishApplicationRunningStateL |
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427 // --------------------------------------------------------------------------- |
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428 // |
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429 EXPORT_C void CFMRadioPubSub::PublishApplicationRunningStateL( TFMRadioPSApplicationRunningState aRunningState ) const |
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430 { |
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431 // If application process gets killed, wrong running state remains published. |
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432 // Must not compare state transition here, because then application start might not be published. |
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433 SetPropertyValueL( KFMRadioPSDataApplicationRunning, aRunningState ); |
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434 } |
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435 |
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436 // --------------------------------------------------------------------------- |
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437 // CFMRadioPubSub::PublishAntennaStatusL |
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438 // --------------------------------------------------------------------------- |
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439 // |
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440 void CFMRadioPubSub::PublishAntennaStatusL( TFMRadioPSHeadsetStatus aAntennaStatus ) const |
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441 { |
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442 TFMRadioPSHeadsetStatus oldState = static_cast<TFMRadioPSHeadsetStatus>( PropertyValueIntL( KFMRadioPSDataHeadsetStatus ) ); |
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443 |
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444 if ( aAntennaStatus != oldState ) |
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445 { |
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446 SetPropertyValueL( KFMRadioPSDataHeadsetStatus, aAntennaStatus ); |
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447 } |
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448 } |
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449 |
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450 // --------------------------------------------------------------------------- |
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451 // CFMRadioPubSub::PublishFrequencyDecimalCountL |
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452 // --------------------------------------------------------------------------- |
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453 // |
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454 void CFMRadioPubSub::PublishFrequencyDecimalCountL( TFMRadioPSFrequencyDecimalCount aDecimalCount ) const |
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455 { |
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456 TFMRadioPSFrequencyDecimalCount oldCount = static_cast<TFMRadioPSFrequencyDecimalCount>( PropertyValueIntL( KFMRadioPSDataFrequencyDecimalCount ) ); |
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457 |
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458 if ( aDecimalCount != oldCount ) |
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459 { |
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460 SetPropertyValueL( KFMRadioPSDataFrequencyDecimalCount, aDecimalCount ); |
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461 } |
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462 } |
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463 |
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464 // --------------------------------------------------------------------------- |
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465 // CFMRadioPubSub::PublishLoudspeakerStatusL |
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466 // --------------------------------------------------------------------------- |
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467 // |
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468 void CFMRadioPubSub::PublishLoudspeakerStatusL( |
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469 TFMRadioPSLoudspeakerStatus aLoudspeakerStatus ) const |
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470 { |
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471 TFMRadioPSLoudspeakerStatus oldLoudspeakerStatus |
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472 = static_cast<TFMRadioPSLoudspeakerStatus>( |
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473 PropertyValueIntL(KFMRadioPSDataLoudspeakerStatus) ); |
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474 |
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475 if(oldLoudspeakerStatus != aLoudspeakerStatus) |
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476 { |
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477 SetPropertyValueL( KFMRadioPSDataLoudspeakerStatus, aLoudspeakerStatus); |
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478 } |
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479 } |
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480 |
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481 // --------------------------------------------------------------------------- |
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482 // CFMRadioPubSub::PublishRDSProgramServiceL |
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483 // --------------------------------------------------------------------------- |
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484 // |
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485 EXPORT_C void CFMRadioPubSub::PublishRDSProgramServiceL( const TDesC& aProgramService ) const |
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486 { |
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487 SetPropertyValueL( KFMRadioPSDataRDSProgramService, aProgramService ); |
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488 } |
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489 |
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490 // --------------------------------------------------------------------------- |
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491 // CFMRadioPubSub::PublishRDSRadioTextL |
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492 // --------------------------------------------------------------------------- |
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493 // |
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494 EXPORT_C void CFMRadioPubSub::PublishRDSRadioTextL( const TDesC& aRadioText ) const |
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495 { |
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496 SetPropertyValueL( KFMRadioPSDataRDSRadioText, aRadioText ); |
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497 } |
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498 |
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499 // --------------------------------------------------------------------------- |
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500 // CFMRadioPubSub::PublishChannelNameL |
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501 // --------------------------------------------------------------------------- |
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502 // |
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503 EXPORT_C void CFMRadioPubSub::PublishChannelNameL( const TDesC& aName ) const |
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504 { |
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505 SetPropertyValueL( KFMRadioPSDataChannelName, aName ); |
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506 } |
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507 |
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508 // --------------------------------------------------------------------------- |
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509 // CFMRadioPubSub::SetControlEventObserver |
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510 // --------------------------------------------------------------------------- |
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511 // |
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512 EXPORT_C void CFMRadioPubSub::SetControlEventObserver( MFMRadioControlEventObserver* aControlEventObserver ) |
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513 { |
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514 iObserver = aControlEventObserver; |
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515 } |
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516 |