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1 /* |
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2 * Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Implementation for presence cache client. |
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15 * |
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16 */ |
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17 |
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18 #include <e32std.h> |
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19 |
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20 #include <mpresencebuddyinfo2.h> |
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21 #include <presencecachereadhandler2.h> |
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22 |
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23 #include "presencecacheclientnotification.h" |
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24 #include "presencecachedefs2.h" |
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25 #include "cacheobjecthelpers.h" |
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26 |
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27 // ============================ MEMBER FUNCTIONS ============================= |
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28 |
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29 // --------------------------------------------------------------------------- |
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30 // CPresenceCacheClientNotification::NewL |
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31 // --------------------------------------------------------------------------- |
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32 // |
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33 CPresenceCacheClientNotification* CPresenceCacheClientNotification::NewL( |
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34 CPresenceCacheClient& aClient) |
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35 { |
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36 CPresenceCacheClientNotification* self = new(ELeave)CPresenceCacheClientNotification(aClient); |
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37 CleanupStack::PushL( self ); |
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38 self->ConstructL(); |
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39 CleanupStack::Pop(); |
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40 return self; |
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41 } |
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42 |
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43 // --------------------------------------------------------------------------- |
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44 // CPresenceCacheClientNotification::~CPresenceCacheClientNotification |
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45 // --------------------------------------------------------------------------- |
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46 // |
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47 CPresenceCacheClientNotification::~CPresenceCacheClientNotification() |
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48 { |
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49 Cancel(); |
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50 } |
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51 |
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52 // --------------------------------------------------------------------------- |
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53 // CPresenceCacheClientNotification::CPresenceCacheClientNotification |
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54 // --------------------------------------------------------------------------- |
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55 // |
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56 CPresenceCacheClientNotification::CPresenceCacheClientNotification(CPresenceCacheClient& aClient) |
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57 : CActive( EPriorityStandard ), iClient( aClient ), iNotificationSubscribed( EFalse ) |
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58 { |
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59 } |
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60 |
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61 // --------------------------------------------------------------------------- |
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62 // CPresenceCacheClientNotification::ConstructL |
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63 // --------------------------------------------------------------------------- |
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64 // |
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65 void CPresenceCacheClientNotification::ConstructL() |
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66 { |
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67 CActiveScheduler::Add( this ); |
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68 } |
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69 |
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70 // --------------------------------------------------------------------------- |
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71 // CPresenceCacheClientNotification::RunL |
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72 // --------------------------------------------------------------------------- |
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73 // |
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74 void CPresenceCacheClientNotification::RunL() |
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75 { |
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76 TInt origStatus = iStatus.Int(); |
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77 |
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78 MPresenceCacheReadHandler2* client = ClientNotifyHandler(); |
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79 |
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80 if ( origStatus ) |
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81 { |
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82 iNotificationSubscribed = EFalse; |
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83 TRAP_IGNORE( client->HandlePresenceNotificationL( origStatus, NULL )); |
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84 } |
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85 else |
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86 { |
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87 StartNotifySubscription(); |
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88 PreseneceFromServerToClientL( *client, iSizePckg() ); |
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89 } |
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90 } |
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91 // ---------------------------------------------------------- |
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92 // CPresenceCacheClientNotification::RunError |
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93 // ---------------------------------------------------------- |
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94 // |
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95 TInt CPresenceCacheClientNotification::RunError( TInt aError ) |
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96 { |
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97 if ( KErrServerTerminated == aError ) |
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98 { |
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99 // When server is terminated we notify the clienrt about that |
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100 iNotificationSubscribed = EFalse; |
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101 MPresenceCacheReadHandler2* client = ClientNotifyHandler(); |
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102 TRAP_IGNORE( client->HandlePresenceNotificationL( aError, NULL )); |
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103 } |
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104 else |
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105 { |
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106 // StartNotifySubscription is already called. |
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107 } |
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108 return KErrNone; |
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109 } |
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110 |
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111 // --------------------------------------------------------------------------- |
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112 // CPresenceCacheClientNotification::DoCancel |
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113 // --------------------------------------------------------------------------- |
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114 // |
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115 void CPresenceCacheClientNotification::DoCancel() |
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116 { |
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117 iClient.SendReceive( NRequest::ECancelWaitingForNotification ); |
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118 } |
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119 |
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120 // --------------------------------------------------------------------------- |
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121 // CPresenceCacheClientNotification::SubscribePresenceBuddyChangeL |
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122 // --------------------------------------------------------------------------- |
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123 // |
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124 TInt CPresenceCacheClientNotification::SubscribePresenceBuddyChangeL( |
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125 const TDesC& aIdentity) |
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126 { |
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127 if ( !iNotificationSubscribed ) |
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128 { |
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129 StartNotifySubscription(); |
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130 } |
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131 |
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132 // Package message arguments before sending to the server |
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133 TIpcArgs args; |
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134 args.Set(1, &aIdentity); |
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135 |
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136 TInt err = iClient.SendReceive( NRequest::ESubscribeBuddyPresenceChange, args ); |
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137 |
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138 return err; |
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139 } |
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140 |
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141 // --------------------------------------------------------------------------- |
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142 // CPresenceCacheClientNotification::UnsubscribePresenceBuddyChangeL |
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143 // --------------------------------------------------------------------------- |
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144 // |
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145 void CPresenceCacheClientNotification::UnsubscribePresenceBuddyChangeL( |
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146 const TDesC& aIdentity) |
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147 { |
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148 // Package message arguments before sending to the server |
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149 TIpcArgs args; |
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150 args.Set(1, &aIdentity); |
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151 |
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152 TInt err = iClient.SendReceive( NRequest::EUnSubscribeBuddyPresenceChange, args ); |
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153 User::LeaveIfError( err ); |
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154 } |
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155 |
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156 // --------------------------------------------------------------------------- |
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157 // CPresenceCacheClientNotification::StartNotifySubscriptionL |
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158 // --------------------------------------------------------------------------- |
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159 // |
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160 void CPresenceCacheClientNotification::StartNotifySubscription() |
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161 { |
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162 // Package message arguments before sending to the server |
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163 SetActive(); |
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164 TIpcArgs args(&iSizePckg); |
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165 iClient.SendReceive( NRequest::EWaitingForNotification, args, iStatus ); |
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166 iNotificationSubscribed = ETrue; |
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167 } |
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168 |
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169 // --------------------------------------------------------------------------- |
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170 // CPresenceCacheClientNotification::ClientNotifyHandler |
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171 // --------------------------------------------------------------------------- |
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172 // |
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173 MPresenceCacheReadHandler2* CPresenceCacheClientNotification::ClientNotifyHandler() |
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174 { |
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175 return iClient.iNotifyClient; |
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176 } |
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177 |
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178 // --------------------------------------------------------------------------- |
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179 // CPresenceCacheClientNotification::PreseneceFromServerToClientL |
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180 // --------------------------------------------------------------------------- |
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181 // |
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182 void CPresenceCacheClientNotification::PreseneceFromServerToClientL( |
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183 MPresenceCacheReadHandler2& aClient, TInt aSize ) |
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184 { |
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185 MPresenceBuddyInfo2* buddyInfo = MPresenceBuddyInfo2::NewLC(); |
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186 HBufC8* presInfoDes = HBufC8::NewLC( aSize ); |
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187 TPtr8 ptrBuf( presInfoDes->Des() ); |
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188 TInt err = iClient.SendReceive( NRequest::EGetLastNotifiedtPacket, TIpcArgs( &ptrBuf )); |
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189 if ( !err ) |
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190 { |
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191 TCacheObjectPacker< MPresenceBuddyInfo2 >::UnPackL( *buddyInfo, *presInfoDes ); |
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192 CleanupStack::PopAndDestroy( presInfoDes ); |
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193 CleanupStack::Pop( ); // buddyInfo |
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194 aClient.HandlePresenceNotificationL( KErrNone, buddyInfo ); |
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195 } |
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196 else |
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197 { |
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198 CleanupStack::PopAndDestroy( presInfoDes ); |
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199 CleanupStack::PopAndDestroy( buddyInfo ); |
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200 } |
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201 } |
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202 |
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203 // end of file |