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| 1 // Copyright 2016 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 CONTENT_PUBLIC_COMMON_ASSOCIATED_INTERFACE_REGISTRY_H_ |
| 6 #define CONTENT_PUBLIC_COMMON_ASSOCIATED_INTERFACE_REGISTRY_H_ |
| 7 |
| 8 #include <string> |
| 9 |
| 10 #include "base/bind.h" |
| 11 #include "base/callback.h" |
| 12 #include "mojo/public/cpp/bindings/associated_interface_request.h" |
| 13 #include "mojo/public/cpp/bindings/scoped_interface_endpoint_handle.h" |
| 14 |
| 15 namespace content { |
| 16 |
| 17 class AssociatedInterfaceRegistry { |
| 18 public: |
| 19 using Binder = base::Callback<void(mojo::ScopedInterfaceEndpointHandle)>; |
| 20 |
| 21 virtual ~AssociatedInterfaceRegistry() {} |
| 22 |
| 23 // Adds an interface binder to the registry. |
| 24 virtual void AddInterface(const std::string& name, const Binder& binder) = 0; |
| 25 |
| 26 // Removes an interface binder from the registry. |
| 27 virtual void RemoveInterface(const std::string& name) = 0; |
| 28 |
| 29 template <typename Interface> |
| 30 using InterfaceBinder = |
| 31 base::Callback<void(mojo::AssociatedInterfaceRequest<Interface>)>; |
| 32 |
| 33 // Templated helper for AddInterface() above. |
| 34 template <typename Interface> |
| 35 void AddInterface(const InterfaceBinder<Interface>& binder) { |
| 36 AddInterface(Interface::Name_, |
| 37 base::Bind(&BindInterface<Interface>, binder)); |
| 38 } |
| 39 |
| 40 private: |
| 41 template <typename Interface> |
| 42 static void BindInterface(const InterfaceBinder<Interface>& binder, |
| 43 mojo::ScopedInterfaceEndpointHandle handle) { |
| 44 mojo::AssociatedInterfaceRequest<Interface> request; |
| 45 request.Bind(std::move(handle)); |
| 46 binder.Run(std::move(request)); |
| 47 } |
| 48 }; |
| 49 |
| 50 } // namespace content |
| 51 |
| 52 #endif // CONTENT_PUBLIC_COMMON_ASSOCIATED_INTERFACE_REGISTRY_H_ |
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