1 // Copyright 2015 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef MOJO_PUBLIC_CPP_BINDINGS_LIB_CONTROL_MESSAGE_PROXY_H_ 6 #define MOJO_PUBLIC_CPP_BINDINGS_LIB_CONTROL_MESSAGE_PROXY_H_ 7 8 #include <stdint.h> 9 10 #include "base/callback.h" 11 #include "base/macros.h" 12 #include "mojo/public/cpp/bindings/bindings_export.h" 13 #include "mojo/public/cpp/bindings/lib/serialization_context.h" 14 15 namespace mojo { 16 17 class MessageReceiverWithResponder; 18 19 namespace internal { 20 21 // Proxy for request messages defined in interface_control_messages.mojom. 22 class MOJO_CPP_BINDINGS_EXPORT ControlMessageProxy { 23 public: 24 // Doesn't take ownership of |receiver|. It must outlive this object. 25 explicit ControlMessageProxy(MessageReceiverWithResponder* receiver); 26 ~ControlMessageProxy(); 27 28 void QueryVersion(const base::Callback<void(uint32_t)>& callback); 29 void RequireVersion(uint32_t version); 30 31 void FlushForTesting(); 32 void OnConnectionError(); 33 34 private: 35 void RunFlushForTestingClosure(); 36 37 // Not owned. 38 MessageReceiverWithResponder* receiver_; 39 bool encountered_error_ = false; 40 41 base::Closure run_loop_quit_closure_; 42 43 DISALLOW_COPY_AND_ASSIGN(ControlMessageProxy); 44 }; 45 46 } // namespace internal 47 } // namespace mojo 48 49 #endif // MOJO_PUBLIC_CPP_BINDINGS_LIB_CONTROL_MESSAGE_PROXY_H_ 50