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/compiler_specific.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 #include "mojo/public/cpp/bindings/message.h" 15 16 namespace mojo { 17 namespace internal { 18 19 // Handlers for request messages defined in interface_control_messages.mojom. 20 class MOJO_CPP_BINDINGS_EXPORT ControlMessageHandler 21 : public MessageReceiverWithResponderStatus { 22 public: 23 static bool IsControlMessage(const Message* message); 24 25 explicit ControlMessageHandler(uint32_t interface_version); 26 ~ControlMessageHandler() override; 27 28 // Call the following methods only if IsControlMessage() returned true. 29 bool Accept(Message* message) override; 30 bool AcceptWithResponder( 31 Message* message, 32 std::unique_ptr<MessageReceiverWithStatus> responder) override; 33 34 private: 35 bool Run(Message* message, 36 std::unique_ptr<MessageReceiverWithStatus> responder); 37 bool RunOrClosePipe(Message* message); 38 39 uint32_t interface_version_; 40 SerializationContext context_; 41 42 DISALLOW_COPY_AND_ASSIGN(ControlMessageHandler); 43 }; 44 45 } // namespace internal 46 } // namespace mojo 47 48 #endif // MOJO_PUBLIC_CPP_BINDINGS_LIB_CONTROL_MESSAGE_HANDLER_H_ 49