Breakpoint hits reaching all the way to UI.

Nasty json only hackery right now, but fixable to support other protocols.

src/alloy/delegate.h

@@ -0,0 +1,76 @@
+/**
+ ******************************************************************************
+ * Xenia : Xbox 360 Emulator Research Project                                 *
+ ******************************************************************************
+ * Copyright 2013 Ben Vanik. All rights reserved.                             *
+ * Released under the BSD license - see LICENSE in the root for more details. *
+ ******************************************************************************
+ */
+
+#ifndef ALLOY_DELEGATE_H_
+#define ALLOY_DELEGATE_H_
+
+#include <functional>
+
+#include <alloy/core.h>
+#include <alloy/mutex.h>
+
+
+namespace alloy {
+
+
+// TODO(benvanik): go lockfree, and don't hold the lock while emitting.
+
+template <typename T>
+class Delegate {
+public:
+  Delegate() {
+    lock_ = AllocMutex();
+  }
+  ~Delegate() {
+    FreeMutex(lock_);
+  }
+
+  typedef std::function<void(T&)> listener_t;
+
+  void AddListener(listener_t const& listener) {
+    LockMutex(lock_);
+    listeners_.push_back(listener);
+    UnlockMutex(lock_);
+  }
+
+  void RemoveListener(listener_t const& listener) {
+    LockMutex(lock_);
+    for (auto it = listeners_.begin(); it != listeners_.end(); ++it) {
+      if (it == listener) {
+        listeners_.erase(it);
+        break;
+      }
+    }
+    UnlockMutex(lock_);
+  }
+
+  void RemoveAllListeners() {
+    LockMutex(lock_);
+    listeners_.clear();
+    UnlockMutex(lock_);
+  }
+
+  void operator()(T& e) const {
+    LockMutex(lock_);
+    for (auto &listener : listeners_) {
+      listener(e);
+    }
+    UnlockMutex(lock_);
+  }
+
+private:
+  alloy::Mutex* lock_;
+  std::vector<listener_t> listeners_;
+};
+
+
+}  // namespace alloy
+
+
+#endif  // ALLOY_DELEGATE_H_