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Code Issues Releases Wiki Activity

Synchronize ChatStateManager's chatStateListeners

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This commit is contained in:
Florian Schmaus 2018-04-06 19:31:32 +02:00
parent 75babfb9c6
commit 9d53363413
1 changed files with 15 additions and 3 deletions
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18
smack-extensions/src/main/java/org/jivesoftware/smackx/chatstates/ChatStateManager.java
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@ -17,7 +17,9 @@
package org.jivesoftware.smackx.chatstates; package org.jivesoftware.smackx.chatstates;
import java.util.ArrayList;
import java.util.HashSet; import java.util.HashSet;
import java.util.List;
import java.util.Map; import java.util.Map;
import java.util.Set; import java.util.Set;
import java.util.WeakHashMap; import java.util.WeakHashMap;
@ -146,7 +148,13 @@ public final class ChatStateManager extends Manager {
return; return;
} }
for (ChatStateListener listener : chatStateListeners) { List<ChatStateListener> listeners;
synchronized (chatStateListeners) {
listeners = new ArrayList<>(chatStateListeners.size());
listeners.addAll(chatStateListeners);
}
for (ChatStateListener listener : listeners) {
listener.stateChanged(chat, state, message); listener.stateChanged(chat, state, message);
} }
} }
@ -162,7 +170,9 @@ public final class ChatStateManager extends Manager {
* @return true, if the listener was not registered before * @return true, if the listener was not registered before
*/ */
public boolean addChatStateListener(ChatStateListener listener) { public boolean addChatStateListener(ChatStateListener listener) {
return chatStateListeners.add(listener); synchronized (chatStateListeners) {
return chatStateListeners.add(listener);
}
} }
/** /**
@ -172,7 +182,9 @@ public final class ChatStateManager extends Manager {
* @return true, if the listener was registered before * @return true, if the listener was registered before
*/ */
public boolean removeChatStateListener(ChatStateListener listener) { public boolean removeChatStateListener(ChatStateListener listener) {
return chatStateListeners.remove(listener); synchronized (chatStateListeners) {
return chatStateListeners.remove(listener);
}
} }