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1 // Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // |
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15 |
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16 |
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17 |
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18 // INCLUDE FILES |
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19 #include <featmgr/featurenotifier.h> |
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20 #include "featmgrdebug.h" |
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21 #include <featmgr/featurecmn.h> |
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22 #include "featmgrclient.h" |
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23 |
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24 // ============================= LOCAL FUNCTIONS =============================== |
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25 |
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26 // ----------------------------------------------------------------------------- |
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27 // FindByUid |
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28 // Returns Zero if UIDs do match. |
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29 // ----------------------------------------------------------------------------- |
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30 // |
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31 static TInt FindByUid( const TUid* aFeature, const TUid& aItem ) |
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32 { |
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33 if ( aFeature->iUid == aItem.iUid ) |
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34 { |
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35 return 1; |
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36 } |
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37 |
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38 return 0; |
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39 } |
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40 |
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41 |
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42 // ============================ MEMBER FUNCTIONS =============================== |
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43 |
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44 // ----------------------------------------------------------------------------- |
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45 // CFeatureNotifier::CFeatureNotifier() |
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46 // ----------------------------------------------------------------------------- |
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47 // |
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48 CFeatureNotifier::CFeatureNotifier( MFeatureObserver& aObserver ) : |
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49 CActive( EPriorityStandard ), |
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50 iObserver( aObserver ) |
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51 { |
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52 } |
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53 |
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54 // ----------------------------------------------------------------------------- |
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55 // CFeatureNotifier::NewL() |
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56 // Two-phased constructor. |
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57 // ----------------------------------------------------------------------------- |
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58 // |
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59 EXPORT_C CFeatureNotifier* CFeatureNotifier::NewL( MFeatureObserver& aObserver ) |
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60 { |
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61 CFeatureNotifier* self = new( ELeave ) CFeatureNotifier( aObserver ); |
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62 CleanupStack::PushL( self ); |
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63 self->ConstructL(); |
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64 CleanupStack::Pop( self ); |
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65 return self; |
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66 } |
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67 |
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68 // ----------------------------------------------------------------------------- |
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69 // CFeatureNotifier::ConstructL |
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70 // ----------------------------------------------------------------------------- |
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71 // |
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72 void CFeatureNotifier::ConstructL() |
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73 { |
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74 FUNC_LOG |
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75 |
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76 iFeatMgrClient = new (ELeave) RFeatMgrClient; |
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77 // Connect to Feature Manager server |
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78 TInt err( iFeatMgrClient->Connect() ); |
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79 User::LeaveIfError(err); |
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80 |
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81 CActiveScheduler::Add( this ); |
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82 } |
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83 |
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84 // ----------------------------------------------------------------------------- |
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85 // CFeatureNotifier::~CFeatureNotifier() |
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86 // ----------------------------------------------------------------------------- |
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87 // |
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88 EXPORT_C CFeatureNotifier::~CFeatureNotifier() |
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89 { |
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90 FUNC_LOG |
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91 |
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92 if( iFeatMgrClient ) |
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93 { |
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94 iFeatMgrClient->RequestNotifyCancelAll(); |
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95 iFeatMgrClient->Close(); |
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96 delete iFeatMgrClient; |
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97 } |
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98 Cancel(); |
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99 |
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100 iFeatures.Close(); |
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101 } |
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102 |
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103 // ----------------------------------------------------------------------------- |
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104 // CFeatureNotifier::NotifyRequest(TUid) |
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105 // ----------------------------------------------------------------------------- |
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106 // |
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107 EXPORT_C TInt CFeatureNotifier::NotifyRequest( TUid aFeature ) |
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108 { |
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109 if(IsActive()) |
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110 { |
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111 return KErrAlreadyExists; |
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112 } |
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113 |
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114 iFeatures.Reset(); |
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115 iFeatures.Append( aFeature ); |
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116 TInt err = iFeatMgrClient->RequestNotification( iFeatures, iFeatureChanged, iStatus ); |
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117 if ( err == KErrNone ) |
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118 { |
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119 SetActive(); |
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120 } |
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121 |
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122 return err; |
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123 } |
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124 |
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125 // ----------------------------------------------------------------------------- |
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126 // CFeatureNotifier::NotifyRequest(RFeatureUidArray&) |
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127 // ----------------------------------------------------------------------------- |
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128 // |
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129 EXPORT_C TInt CFeatureNotifier::NotifyRequest( RFeatureUidArray& aFeatures ) |
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130 { |
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131 if(IsActive()) |
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132 { |
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133 return KErrAlreadyExists; |
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134 } |
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135 |
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136 iFeatures.Reset(); |
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137 TInt count = aFeatures.Count(); |
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138 |
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139 for(TInt i = 0; i < count; i++ ) |
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140 { |
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141 // Do not append duplicate entries |
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142 const TUid& uid( aFeatures[i] ); |
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143 TInt index = iFeatures.Find( uid, FindByUid ); |
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144 if( index == KErrNotFound ) |
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145 { |
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146 iFeatures.Append( uid ); |
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147 } |
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148 } |
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149 |
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150 TInt err = iFeatMgrClient->RequestNotification( iFeatures, iFeatureChanged, iStatus ); |
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151 if ( err == KErrNone ) |
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152 { |
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153 SetActive(); |
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154 } |
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155 |
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156 return err; |
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157 } |
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158 |
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159 // ----------------------------------------------------------------------------- |
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160 // CFeatureNotifier::NotifyCancel(TUid aFeature) |
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161 // ----------------------------------------------------------------------------- |
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162 // |
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163 EXPORT_C TInt CFeatureNotifier::NotifyCancel( TUid aFeature ) |
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164 { |
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165 TInt err( KErrNotFound ); |
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166 TInt count = iFeatures.Count(); |
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167 |
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168 for(TInt i = 0; i < count; i++ ) |
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169 { |
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170 if( iFeatures[i].iUid == aFeature.iUid ) |
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171 { |
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172 err = iFeatMgrClient->RequestNotifyCancel( aFeature ); |
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173 |
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174 if( err == KErrNone ) |
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175 { |
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176 iFeatures.Remove( i ); |
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177 // If this is the last feature in the list, then also cancel the Active Object |
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178 if( 0 == iFeatures.Count() ) |
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179 { |
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180 Cancel(); |
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181 } |
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182 break; |
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183 } |
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184 } |
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185 } |
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186 |
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187 return err; |
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188 } |
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189 |
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190 // ----------------------------------------------------------------------------- |
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191 // CFeatureNotifier::NotifyCancelAll() |
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192 // ----------------------------------------------------------------------------- |
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193 // |
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194 EXPORT_C TInt CFeatureNotifier::NotifyCancelAll() |
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195 { |
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196 iFeatures.Reset(); |
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197 TInt err = iFeatMgrClient->RequestNotifyCancelAll( ); |
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198 Cancel(); |
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199 |
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200 return err; |
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201 } |
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202 |
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203 /** |
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204 Gets the number of features in the server's array. |
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205 This API is only for internal use and testing purposes. |
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206 |
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207 @return The number of features on the server for debug builds, otherwise it returns KErrNotSupported in release builds. |
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208 @internalComponent |
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209 */ |
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210 EXPORT_C TInt CFeatureNotifier::NumberOfNotifyFeatures() |
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211 { |
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212 #ifdef EXTENDED_FEATURE_MANAGER_TEST |
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213 TInt count = iFeatMgrClient->NumberOfNotifyFeatures(); |
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214 return count; |
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215 #else |
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216 return KErrNotSupported; |
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217 #endif |
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218 } |
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219 |
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220 /** |
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221 Gets the number of heap cells in the thread. |
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222 This API is only for internal use and testing purposes. |
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223 |
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224 @return The number of heap cells for debug build, otherwise it returns KErrNotSupported in release builds. |
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225 @internalComponent |
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226 */ |
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227 EXPORT_C TInt CFeatureNotifier::CountAllocCells() |
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228 { |
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229 #ifdef EXTENDED_FEATURE_MANAGER_TEST |
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230 TInt count = iFeatMgrClient->CountAllocCells(); |
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231 return count; |
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232 #else |
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233 return KErrNotSupported; |
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234 #endif |
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235 } |
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236 |
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237 // ----------------------------------------------------------------------------- |
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238 // CFeatureNotifier::RunL() |
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239 // ----------------------------------------------------------------------------- |
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240 // |
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241 void CFeatureNotifier::RunL( ) |
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242 { |
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243 FUNC_LOG |
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244 |
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245 TInt status = iStatus.Int(); |
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246 if( status < 0 ) |
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247 { |
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248 // Got an error |
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249 if( status != KErrCancel ) |
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250 { |
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251 iObserver.HandleNotifyError( status ); |
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252 } |
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253 return; |
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254 } |
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255 |
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256 // iStatus >= 0 means it contains the change type |
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257 TFeatureChangeType changeType = static_cast<TFeatureChangeType>(status); |
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258 |
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259 // If the feature was deleted, remove it from the array of features with notifications requested |
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260 if( changeType == EFeatureFeatureDeleted ) |
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261 { |
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262 TInt index = iFeatures.Find( iFeatureChanged, FindByUid ); |
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263 if( index != KErrNotFound ) |
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264 { |
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265 iFeatures.Remove( index ); |
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266 } |
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267 } |
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268 // Should we validate whether iFeatureChanged matches |
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269 // to any UID in the array of requested features? |
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270 |
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271 TFeatureEntry feature( iFeatureChanged ); |
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272 if( iFeatures.Count() > 0 ) |
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273 { |
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274 // Asynchronously resubscribe notify request |
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275 iFeatMgrClient->ReRequestNotification( iFeatureChanged, iStatus ); |
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276 // Next inform client about changed feature |
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277 // Should we validate whether iFeatureChanged matches |
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278 // to any UID in the array of requested features |
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279 iObserver.HandleNotifyChange( changeType, feature ); |
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280 // Set us active |
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281 SetActive(); |
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282 } |
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283 else |
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284 { |
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285 // All features with notifications requested were deleted, |
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286 // so don't need to resubscribe notify request - |
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287 // just notify client about the deleted feature |
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288 iObserver.HandleNotifyChange( changeType, feature ); |
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289 } |
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290 } |
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291 |
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292 // ----------------------------------------------------------------------------- |
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293 // CFeatureNotifier::DoCancel() |
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294 // ----------------------------------------------------------------------------- |
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295 // |
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296 void CFeatureNotifier::DoCancel( ) |
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297 { |
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298 } |
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299 |
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300 // ----------------------------------------------------------------------------- |
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301 // CFeatureNotifier::RunError() |
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302 // ----------------------------------------------------------------------------- |
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303 // |
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304 TInt CFeatureNotifier::RunError( TInt aError ) |
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305 { |
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306 iObserver.HandleNotifyError( aError ); |
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307 |
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308 return KErrNone; |
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309 } |
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310 |
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311 // End of File |