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1 /* |
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2 * Copyright (c) 2005 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 proxy. |
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15 * |
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16 */ |
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17 |
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18 |
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19 // INCLUDE FILES |
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20 #include <e32base.h> // TPriority::EPriorityHigh=20 |
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21 #include <PSVariables.h> |
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22 #include <telinternalpskeys.h> |
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23 #include <telephonydomainpstypes.h> |
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24 #include <btengdomainpskeys.h> |
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25 |
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26 #include <startupdomainpskeys.h> |
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27 #include <coreapplicationuisdomainpskeys.h> |
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28 #include <hwrmdomainpskeys.h> |
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29 #include <UikonInternalPSKeys.h> |
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30 |
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31 #include "phoneui.pan" |
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32 #include "phoneconstants.h" |
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33 #include "phonelogger.h" |
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34 |
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35 #include "cphonepubsubproxy.h" |
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36 #include "cphonepublishsubscriberao.h" |
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37 |
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38 // ================= MEMBER FUNCTIONS ======================= |
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39 |
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40 |
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41 // --------------------------------------------------------- |
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42 // CPhonePubSubProxy::Instance |
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43 // Initializes the singleton object |
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44 // (other items were commented in a header). |
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45 // --------------------------------------------------------- |
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46 // |
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47 EXPORT_C CPhonePubSubProxy* CPhonePubSubProxy::Instance() |
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48 { |
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49 CPhonePubSubProxy* instance = static_cast<CPhonePubSubProxy*> |
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50 ( CCoeEnv::Static ( KUidPubSubProxySingleton ) ); |
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51 |
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52 if ( !instance ) |
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53 { |
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54 TRAPD( err, instance = CPhonePubSubProxy::NewL() ); |
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55 if ( err ) |
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56 { |
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57 Panic( EPhoneUtilsCouldNotCreateSingleton ); |
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58 } |
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59 } |
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60 return instance; |
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61 } |
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62 |
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63 // --------------------------------------------------------- |
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64 // CPhonePubSubProxy::CancelAllNotifications |
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65 // Cancel the notification if the singleton still exists. |
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66 // (other items were commented in a header). |
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67 // --------------------------------------------------------- |
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68 // |
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69 EXPORT_C void CPhonePubSubProxy::CancelAllNotifications( |
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70 MPhonePubSubObserver* aObserver ) |
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71 { |
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72 CPhonePubSubProxy* instance = static_cast<CPhonePubSubProxy*> |
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73 ( CCoeEnv::Static( KUidPubSubProxySingleton ) ); |
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74 |
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75 // Ignore the call since the singleton has already been destroyed and the |
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76 // notifications removed |
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77 if ( instance ) |
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78 { |
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79 instance->CancelAllObserverNotifies( aObserver ); |
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80 } |
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81 } |
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82 |
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83 |
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84 // --------------------------------------------------------- |
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85 // CPhonePubSubProxy::NewL |
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86 // --------------------------------------------------------- |
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87 // |
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88 CPhonePubSubProxy* CPhonePubSubProxy::NewL() |
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89 { |
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90 CPhonePubSubProxy* self = new (ELeave) CPhonePubSubProxy(); |
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91 |
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92 CleanupStack::PushL( self ); |
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93 self->ConstructL(); |
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94 CleanupStack::Pop( self ); |
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95 |
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96 return self; |
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97 } |
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98 |
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99 // --------------------------------------------------------- |
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100 // CPhonePubSubProxy::~CPhonePubSubProxy |
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101 // --------------------------------------------------------- |
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102 // |
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103 EXPORT_C CPhonePubSubProxy::~CPhonePubSubProxy() |
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104 { |
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105 if ( iPublishSubscriberArray ) |
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106 { |
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107 iPublishSubscriberArray->ResetAndDestroy(); |
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108 } |
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109 delete iPublishSubscriberArray; |
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110 delete iObserverArray; |
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111 } |
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112 |
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113 // --------------------------------------------------------- |
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114 // CPhonePubSubProxy::CPhonePubSubProxy |
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115 // --------------------------------------------------------- |
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116 // |
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117 CPhonePubSubProxy::CPhonePubSubProxy() : |
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118 CCoeStatic( KUidPubSubProxySingleton, EThread ) |
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119 { |
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120 } |
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121 |
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122 // --------------------------------------------------------- |
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123 // CPhonePubSubProxy::ConstructL |
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124 // --------------------------------------------------------- |
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125 // |
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126 void CPhonePubSubProxy::ConstructL() |
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127 { |
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128 iObserverArray = new ( ELeave ) CArrayFixFlat< TPubSubObserverTag >( |
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129 KPhonePubSubProxyObserverArrayGranularity ); |
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130 |
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131 iPublishSubscriberArray = new ( ELeave ) |
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132 CArrayPtrFlat< CPhonePublishSubscriberAO >( |
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133 KPhonePubSubArrayGranularity ); |
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134 } |
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135 |
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136 // --------------------------------------------------------- |
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137 // CPhonePubSubProxy::Value |
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138 // --------------------------------------------------------- |
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139 // |
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140 EXPORT_C TInt CPhonePubSubProxy::Value( |
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141 const TUid& aCategory, |
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142 const TUint aKey ) |
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143 { |
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144 TInt err( KErrNone ); |
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145 TInt value( 0 ); |
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146 |
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147 err = RProperty::Get( aCategory, aKey, value ); |
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148 if ( err != KErrNone ) |
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149 { |
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150 value = err; |
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151 |
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152 __PHONELOG1( |
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153 EBasic, |
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154 EPhonePhoneapp, |
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155 "CPhonePubSubProxy::GetValue error: %d", |
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156 err ); |
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157 } |
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158 |
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159 return value; |
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160 } |
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161 |
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162 // --------------------------------------------------------- |
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163 // CPhonePubSubProxy::NotifyChangeL |
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164 // --------------------------------------------------------- |
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165 // |
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166 EXPORT_C void CPhonePubSubProxy::NotifyChangeL( |
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167 const TUid& aCategory, |
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168 const TUint aKey, |
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169 MPhonePubSubObserver* aObserver ) |
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170 { |
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171 __ASSERT_DEBUG( aObserver, Panic( EPhoneUtilsParameterNotInitialized ) ); |
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172 __LOGMETHODSTARTEND(EPhoneUIUtils, "CPhonePubSubProxy::NotifyChangeL() "); |
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173 |
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174 // make sure this a new item in iObserverArray |
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175 TBool requestIssued = EFalse; |
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176 TBool sameRequestIssuedByObserver = EFalse; |
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177 TInt count = iObserverArray->Count(); |
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178 |
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179 // check if the request has already been issued |
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180 for ( TInt i = 0; i < count && !requestIssued; i++ ) |
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181 { |
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182 const TPubSubObserverTag& observerTag = iObserverArray->At( i ); |
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183 if ( ( observerTag.iCategory == aCategory ) && |
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184 ( observerTag.iKey == aKey ) ) |
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185 { |
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186 requestIssued = ETrue; |
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187 if ( observerTag.iObserver == aObserver ) |
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188 { |
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189 sameRequestIssuedByObserver = ETrue; |
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190 } |
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191 } |
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192 } |
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193 |
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194 // make sure the same request hasn't been issued by this observer |
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195 if ( !sameRequestIssuedByObserver ) |
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196 { |
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197 //add new observer to the array |
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198 TPubSubObserverTag newObserver; |
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199 newObserver.iCategory = aCategory; |
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200 newObserver.iKey = aKey; |
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201 newObserver.iObserver = aObserver; |
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202 iObserverArray->AppendL( newObserver ); |
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203 } |
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204 |
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205 //make sure the request hasn't been issued before |
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206 if ( !requestIssued ) |
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207 { |
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208 //issue a new request |
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209 CPhonePublishSubscriberAO* publishSubscriber = |
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210 CPhonePublishSubscriberAO::NewL( this, aCategory, aKey ); |
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211 |
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212 CleanupStack::PushL( publishSubscriber ); |
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213 iPublishSubscriberArray->AppendL( publishSubscriber ); |
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214 CleanupStack::Pop( publishSubscriber ); |
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215 |
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216 //subscribe for property change notications |
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217 publishSubscriber->Subscribe(); |
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218 } |
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219 } |
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220 |
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221 // --------------------------------------------------------- |
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222 // CPhonePubSubProxy::ChangePropertyValue |
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223 // --------------------------------------------------------- |
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224 // |
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225 EXPORT_C void CPhonePubSubProxy::ChangePropertyValue( |
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226 const TUid& aCategory, |
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227 const TUint aKey, |
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228 const TInt aValue ) |
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229 { |
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230 TInt err( KErrNone ); |
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231 |
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232 err = RProperty::Set( aCategory, aKey, aValue ); |
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233 if ( err != KErrNone ) |
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234 { |
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235 __PHONELOG1( |
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236 EBasic, |
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237 EPhonePhoneapp, |
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238 "CPhonePubSubProxy::ChangePropertyValue error: %d", |
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239 err ); |
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240 } |
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241 } |
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242 |
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243 // --------------------------------------------------------- |
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244 // CPhonePubSubProxy::HandlePropertyChangedL |
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245 // --------------------------------------------------------- |
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246 // |
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247 void CPhonePubSubProxy::HandlePropertyChangedL( |
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248 const TUid& aCategory, |
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249 const TUint aKey, |
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250 const TInt aValue ) |
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251 { |
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252 TInt count = iObserverArray->Count(); |
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253 for ( TInt i = 0; i < count; ) |
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254 { |
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255 // Take observer information. |
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256 TPubSubObserverTag observerTag = iObserverArray->At( i ); |
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257 |
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258 if ( ( observerTag.iCategory == aCategory ) && |
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259 ( observerTag.iKey == aKey ) ) |
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260 { |
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261 observerTag.iObserver->HandlePropertyChangedL( |
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262 aCategory, aKey, aValue ); |
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263 } |
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264 |
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265 // Update count variable - might have been modified by the |
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266 // HandlePropertyChangedL call. |
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267 count = iObserverArray->Count(); |
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268 |
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269 // If still in bounds, check if nothing changed. If so, then |
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270 // we can move to next observer. |
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271 if ( i < count ) |
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272 { |
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273 const TPubSubObserverTag& obs = iObserverArray->At( i ); |
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274 |
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275 if ( ( obs.iObserver == observerTag.iObserver ) && |
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276 ( obs.iCategory == observerTag.iCategory ) && |
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277 ( obs.iKey == observerTag.iKey ) ) |
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278 { |
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279 i++; |
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280 } |
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281 } |
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282 } |
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283 } |
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284 |
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285 // --------------------------------------------------------- |
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286 // CPhonePubSubProxy::CancelAllObserverNotifies |
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287 // --------------------------------------------------------- |
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288 // |
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289 void CPhonePubSubProxy::CancelAllObserverNotifies( |
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290 MPhonePubSubObserver* aObserver ) |
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291 { |
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292 TInt count = iObserverArray->Count(); |
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293 |
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294 // Remove the observer and its subscriptions |
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295 TBool observerRemoved = EFalse; |
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296 for( TInt i = count - 1; i >= 0 && !observerRemoved; i-- ) |
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297 { |
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298 const TPubSubObserverTag& observerTag = iObserverArray->At( i ); |
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299 if ( observerTag.iObserver == aObserver ) |
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300 { |
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301 // Remove observer |
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302 observerRemoved = ETrue; |
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303 iObserverArray->Delete( i ); |
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304 |
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305 // Remove this observers' subscriptions |
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306 TInt pubSubCount = iPublishSubscriberArray->Count(); |
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307 |
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308 for ( TInt j = pubSubCount - 1; j >= 0; j++ ) |
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309 { |
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310 CPhonePublishSubscriberAO* publishSubscriber = |
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311 iPublishSubscriberArray->At( j ); |
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312 |
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313 if ( publishSubscriber->Category() == observerTag.iCategory && |
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314 publishSubscriber->Key() == observerTag.iKey ) |
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315 { |
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316 iPublishSubscriberArray->Delete( i ); |
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317 delete publishSubscriber; |
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318 } |
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319 } |
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320 } |
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321 } |
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322 } |
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323 |
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324 // End of File |
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325 |