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_HANDLER_H_
6 #define MOJO_PUBLIC_CPP_BINDINGS_LIB_CONTROL_MESSAGE_HANDLER_H_
7 
8 #include <stdint.h>
9 
10 #include "base/macros.h"
11 #include "mojo/public/cpp/bindings/lib/serialization_context.h"
12 #include "mojo/public/cpp/bindings/message.h"
13 
14 namespace mojo {
15 namespace internal {
16 
17 // Handlers for request messages defined in interface_control_messages.mojom.
18 class ControlMessageHandler : public MessageReceiverWithResponderStatus {
19  public:
20   static bool IsControlMessage(const Message* message);
21 
22   explicit ControlMessageHandler(uint32_t interface_version);
23   ~ControlMessageHandler() override;
24 
25   // Call the following methods only if IsControlMessage() returned true.
26   bool Accept(Message* message) override;
27   // Takes ownership of |responder|.
28   bool AcceptWithResponder(Message* message,
29                            MessageReceiverWithStatus* responder) override;
30 
31  private:
32   bool Run(Message* message, MessageReceiverWithStatus* responder);
33   bool RunOrClosePipe(Message* message);
34 
35   uint32_t interface_version_;
36   SerializationContext context_;
37 
38   DISALLOW_COPY_AND_ASSIGN(ControlMessageHandler);
39 };
40 
41 }  // namespace internal
42 }  // namespace mojo
43 
44 #endif  // MOJO_PUBLIC_CPP_BINDINGS_LIB_CONTROL_MESSAGE_HANDLER_H_
45