Initial commit.

include/tfcppsimple/ObservableTemplate.h

@@ -0,0 +1,47 @@
+/*
+ * ObservableTemplate.h
+ *
+ *  Created on: 11.06.2014
+ *      Author: matzman
+ */
+
+#ifndef OBSERVABLETEMPLATE_H_
+#define OBSERVABLETEMPLATE_H_
+
+#include <set>
+#include <mutex>
+#include <functional>
+#include <cstdint>
+
+namespace tfcppsimple {
+
+template<class C>
+class ObservableTemplate {
+protected:
+	std::mutex observableLock;
+	std::set<C*> listeners;
+public:
+	bool addListener(C& listener) {
+		std::lock_guard<std::mutex> lock(observableLock);
+		return listeners.insert(&listener).second;
+	}
+	bool removeListener(C& listener) {
+		std::lock_guard<std::mutex> lock(observableLock);
+		return listeners.erase(&listener) == 1;
+	}
+	uint32_t notifyListeners(std::function<bool(C& listener)> visitor) {
+		std::lock_guard<std::mutex> lock(observableLock);
+		uint32_t count = 0;
+		for (auto l : listeners) {
+			count++;
+			if (!visitor(*l)) break;
+		}
+		return count;
+	}
+};
+
+}
+
+
+
+#endif /* OBSERVABLETEMPLATE_H_ */