1 files changed, 28 insertions, 0 deletions
diff --git a/Swiften/Chat/ChatStateTracker.cpp b/Swiften/Chat/ChatStateTracker.cpp
new file mode 100644
index 0000000..3076845
--- /dev/null
+++ b/Swiften/Chat/ChatStateTracker.cpp
@@ -0,0 +1,28 @@
+#include "Swiften/Chat/ChatStateTracker.h"
+
+namespace Swift {
+ChatStateTracker::ChatStateTracker() {
+	currentState_ = ChatState::Gone;
+}
+
+void ChatStateTracker::handleMessageReceived(boost::shared_ptr<Message> message) {
+	boost::shared_ptr<ChatState> statePayload = message->getPayload<ChatState>();
+	if (statePayload) {
+		changeState(statePayload->getChatState());;
+	}
+}
+
+void ChatStateTracker::handlePresenceChange(boost::shared_ptr<Presence> newPresence, boost::shared_ptr<Presence>) {
+	if (newPresence->getType() == Presence::Unavailable) {
+		onChatStateChange(ChatState::Gone);
+	}
+}
+
+void ChatStateTracker::changeState(ChatState::ChatStateType state) {
+	if (state != currentState_) {
+		currentState_ = state;
+		onChatStateChange(state);
+	}
+}
+
+}