SVN commit 1001558 by abnerf:

DataEngine is no longer using the Tp::Account::uniqueIdentifier as the source id
since it breaks when the account is removed. Now it's using the Tp::Account::objectPath;

 M  +5 -6      presence.cpp  
 M  +2 -2      presencesource.cpp  


--- trunk/playground/base/plasma/dataengines/presence/presence.cpp #1001557:1001558
@@ -126,12 +126,11 @@
 {
     // Get the AccountPtr from the object path and remove the corresponding
     // source
-    Tp::AccountPtr account = m_accountManager->accountForPath(path);
-    if (sources().contains(account->uniqueIdentifier())) {
-        removeSource(account->uniqueIdentifier());
+    if (sources().contains(path)) {
+        removeSource(path);
     } else {
         kWarning() << "PresenceEngine::onAccountRemoved: source "
-            "does not exist for account:" << account->uniqueIdentifier();
+            "does not exist for account:" << path;
     }
 }
 
@@ -147,11 +146,11 @@
 
 void PresenceEngine::addAccount(const Tp::AccountPtr &account)
 {
-    if (!sources().contains(account->uniqueIdentifier())) {
+    if (!sources().contains(account->objectPath())) {
         addSource(new PresenceSource(account, this));
     } else {
         kWarning() << "PresenceEngine::addAccount: source "
-            "already exists for account:" << account->uniqueIdentifier();
+            "already exists for account:" << account->objectPath();
     }
 }
 
--- trunk/playground/base/plasma/dataengines/presence/presencesource.cpp #1001557:1001558
@@ -33,10 +33,10 @@
       m_account(account)
 {
     kDebug() << "PresenceSource created for account:" <<
-        account->uniqueIdentifier();
+        account->objectPath();
 
     // Set the object name (which will be the name of the source)
-    setObjectName(m_account->uniqueIdentifier());
+    setObjectName(m_account->objectPath());
 
     // Make the account become ready with the desired features
     connect(m_account->becomeReady(