1 files changed, 68 insertions, 0 deletions
diff --git a/src/com/isode/stroke/presence/SubscriptionManager.java b/src/com/isode/stroke/presence/SubscriptionManager.java
new file mode 100644
index 0000000..91075fc
--- /dev/null
+++ b/src/com/isode/stroke/presence/SubscriptionManager.java
@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2010-2015, Isode Limited, London, England.
+ * All rights reserved.
+ */
+package com.isode.stroke.presence;
+
+import com.isode.stroke.client.StanzaChannel;
+import com.isode.stroke.elements.Presence;
+import com.isode.stroke.jid.JID;
+import com.isode.stroke.signals.Signal2;
+import com.isode.stroke.signals.Signal3;
+import com.isode.stroke.signals.SignalConnection;
+import com.isode.stroke.signals.Slot1;
+
+public class SubscriptionManager {
+	private StanzaChannel stanzaChannel;
+	private SignalConnection onPresenceReceivedConnection;
+	
+	public final Signal3<JID, String, Presence> onPresenceSubscriptionRequest = new Signal3<JID, String, Presence>();
+
+	public final Signal2<JID, String> onPresenceSubscriptionRevoked = new Signal2<JID, String>();
+
+	public SubscriptionManager(StanzaChannel channel) {
+		stanzaChannel = channel;
+		onPresenceReceivedConnection = stanzaChannel.onPresenceReceived.connect(new Slot1<Presence>() {
+				@Override
+				public void call(Presence p1) {
+					handleIncomingPresence(p1);
+				}
+			});
+	}
+
+	void delete() {
+		onPresenceReceivedConnection.disconnect();
+	}
+
+	public void cancelSubscription(final JID jid) {
+		Presence stanza = new Presence();
+		stanza.setType(Presence.Type.Unsubscribed);
+		stanza.setTo(jid);
+		stanzaChannel.sendPresence(stanza);
+	}
+
+	public void confirmSubscription(final JID jid) {
+		Presence stanza = new Presence();
+		stanza.setType(Presence.Type.Subscribed);
+		stanza.setTo(jid);
+		stanzaChannel.sendPresence(stanza);
+	}
+
+
+	public void requestSubscription(final JID jid) {
+		Presence stanza = new Presence();
+		stanza.setType(Presence.Type.Subscribe);
+		stanza.setTo(jid);
+		stanzaChannel.sendPresence(stanza);
+	}
+
+	void handleIncomingPresence(Presence presence) {
+		JID bareJID = presence.getFrom().toBare();
+		if (presence.getType() == Presence.Type.Subscribe) {
+			onPresenceSubscriptionRequest.emit(bareJID, presence.getStatus(), presence);
+		}
+		else if (presence.getType() == Presence.Type.Unsubscribe) {
+			onPresenceSubscriptionRevoked.emit(bareJID, presence.getStatus());
+		}
+	}
+}