1 // Copyright 2014 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_NO_INTERFACE_H_ 6 #define MOJO_PUBLIC_CPP_BINDINGS_NO_INTERFACE_H_ 7 8 #include "mojo/public/cpp/bindings/message.h" 9 #include "mojo/public/cpp/bindings/message_filter.h" 10 #include "mojo/public/cpp/system/core.h" 11 12 namespace mojo { 13 14 // NoInterface is for use in cases when a non-existent or empty interface is 15 // needed. 16 17 class NoInterfaceProxy; 18 class NoInterfaceStub; 19 20 class NoInterface { 21 public: 22 static const char* Name_; 23 typedef NoInterfaceProxy Proxy_; 24 typedef NoInterfaceStub Stub_; 25 typedef PassThroughFilter RequestValidator_; 26 typedef PassThroughFilter ResponseValidator_; ~NoInterface()27 virtual ~NoInterface() {} 28 }; 29 30 class NoInterfaceProxy : public NoInterface { 31 public: NoInterfaceProxy(MessageReceiver * receiver)32 explicit NoInterfaceProxy(MessageReceiver* receiver) {} 33 }; 34 35 class NoInterfaceStub : public MessageReceiverWithResponder { 36 public: NoInterfaceStub()37 NoInterfaceStub() {} set_sink(NoInterface * sink)38 void set_sink(NoInterface* sink) {} sink()39 NoInterface* sink() { return nullptr; } 40 bool Accept(Message* message) override; 41 bool AcceptWithResponder(Message* message, 42 MessageReceiver* responder) override; 43 }; 44 45 // AnyInterface is for use in cases where any interface would do (e.g., see the 46 // Shell::Connect method). 47 48 typedef NoInterface AnyInterface; 49 50 } // namespace mojo 51 52 #endif // MOJO_PUBLIC_CPP_BINDINGS_NO_INTERFACE_H_ 53