Mojo: bindings connector

mojo/public/bindings/lib/bindings_support.h

+// Copyright 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef MOJO_PUBLIC_BINDINGS_LIB_BINDINGS_SUPPORT_H_
+#define MOJO_PUBLIC_BINDINGS_LIB_BINDINGS_SUPPORT_H_
+
+#include "mojo/public/system/core.h"
+
+namespace mojo {
+
+class BindingsSupport {
+ public:
+  class AsyncWaitCallback {
+   public:
+    virtual void OnHandleReady(MojoResult result) = 0;
+  };
+
+  virtual bool AsyncWait(Handle handle,
+                         MojoWaitFlags flags,
+                         MojoDeadline deadline,
+                         AsyncWaitCallback* callback) = 0;
+
+  virtual void CancelWait(AsyncWaitCallback* callback) = 0;
+
+  static void Set(BindingsSupport* support);
+  static BindingsSupport* Get();
+};
+
+}  // namespace mojo
+
+#endif  // MOJO_PUBLIC_BINDINGS_LIB_BINDINGS_SUPPORT_H_