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| 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_SCOPED_INTERFACE_ENDPOINT_HANDLE_H_ |
| 6 #define MOJO_PUBLIC_CPP_BINDINGS_LIB_SCOPED_INTERFACE_ENDPOINT_HANDLE_H_ |
| 7 |
| 8 #include "base/macros.h" |
| 9 #include "base/memory/ref_counted.h" |
| 10 #include "mojo/public/cpp/bindings/lib/interface_id.h" |
| 11 |
| 12 namespace mojo { |
| 13 namespace internal { |
| 14 |
| 15 class MultiplexRouter; |
| 16 |
| 17 // ScopedInterfaceEndpointHandle refers to one end of an interface, either the |
| 18 // implementation side or the client side. |
| 19 class ScopedInterfaceEndpointHandle { |
| 20 MOVE_ONLY_TYPE_WITH_MOVE_CONSTRUCTOR_FOR_CPP_03( |
| 21 ScopedInterfaceEndpointHandle); |
| 22 |
| 23 public: |
| 24 // Creates an invalid endpoint handle. |
| 25 ScopedInterfaceEndpointHandle(); |
| 26 |
| 27 // This is supposed to be used by MultiplexRouter only. |
| 28 // |id| is the corresponding interface ID. |
| 29 // If |is_local| is false, this handle is meant to be passed over |router| to |
| 30 // the remote side. |
| 31 ScopedInterfaceEndpointHandle(InterfaceId id, |
| 32 bool is_local, |
| 33 scoped_refptr<MultiplexRouter> router); |
| 34 |
| 35 ScopedInterfaceEndpointHandle(ScopedInterfaceEndpointHandle&& other); |
| 36 |
| 37 ~ScopedInterfaceEndpointHandle(); |
| 38 |
| 39 ScopedInterfaceEndpointHandle& operator=( |
| 40 ScopedInterfaceEndpointHandle&& other); |
| 41 |
| 42 bool is_valid() const { return IsValidInterfaceId(id_); } |
| 43 |
| 44 InterfaceId id() const { return id_; } |
| 45 bool is_local() const { return is_local_; } |
| 46 MultiplexRouter* router() const { return router_.get(); } |
| 47 |
| 48 void reset(); |
| 49 void swap(ScopedInterfaceEndpointHandle& other); |
| 50 |
| 51 // Releases the handle without closing it. |
| 52 InterfaceId release(); |
| 53 |
| 54 private: |
| 55 InterfaceId id_; |
| 56 bool is_local_; |
| 57 scoped_refptr<MultiplexRouter> router_; |
| 58 }; |
| 59 |
| 60 } // namespace internal |
| 61 } // namespace mojo |
| 62 |
| 63 #endif // MOJO_PUBLIC_CPP_BINDINGS_LIB_SCOPED_INTERFACE_ENDPOINT_HANDLE_H_ |
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