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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef MOJO_PUBLIC_CPP_BINDINGS_INTERFACE_REQUEST_H_ | 5 #ifndef MOJO_PUBLIC_CPP_BINDINGS_INTERFACE_REQUEST_H_ |
| 6 #define MOJO_PUBLIC_CPP_BINDINGS_INTERFACE_REQUEST_H_ | 6 #define MOJO_PUBLIC_CPP_BINDINGS_INTERFACE_REQUEST_H_ |
| 7 | 7 |
| 8 #include <utility> | 8 #include <utility> |
| 9 | 9 |
| 10 #include "base/macros.h" | |
| 11 #include "base/single_thread_task_runner.h" | 10 #include "base/single_thread_task_runner.h" |
| 12 #include "base/threading/thread_task_runner_handle.h" | 11 #include "base/threading/thread_task_runner_handle.h" |
| 13 #include "mojo/public/cpp/bindings/interface_ptr.h" | 12 #include "mojo/public/cpp/bindings/interface_ptr.h" |
| 14 | 13 |
| 15 namespace mojo { | 14 namespace mojo { |
| 16 | 15 |
| 17 // Represents a request from a remote client for an implementation of Interface | 16 // Represents a request from a remote client for an implementation of Interface |
| 18 // over a specified message pipe. The implementor of the interface should | 17 // over a specified message pipe. The implementor of the interface should |
| 19 // remove the message pipe by calling PassMessagePipe() and bind it to the | 18 // remove the message pipe by calling PassMessagePipe() and bind it to the |
| 20 // implementation. If this is not done, the InterfaceRequest will automatically | 19 // implementation. If this is not done, the InterfaceRequest will automatically |
| 21 // close the pipe on destruction. Can also represent the absence of a request | 20 // close the pipe on destruction. Can also represent the absence of a request |
| 22 // if the client did not provide a message pipe. | 21 // if the client did not provide a message pipe. |
| 23 template <typename Interface> | 22 template <typename Interface> |
| 24 class InterfaceRequest { | 23 class InterfaceRequest { |
| 24 MOVE_ONLY_TYPE_FOR_CPP_03(InterfaceRequest); |
| 25 public: | 25 public: |
| 26 // Constructs an empty InterfaceRequest, representing that the client is not | 26 // Constructs an empty InterfaceRequest, representing that the client is not |
| 27 // requesting an implementation of Interface. | 27 // requesting an implementation of Interface. |
| 28 InterfaceRequest() {} | 28 InterfaceRequest() {} |
| 29 InterfaceRequest(decltype(nullptr)) {} | 29 InterfaceRequest(decltype(nullptr)) {} |
| 30 | 30 |
| 31 // Takes the message pipe from another InterfaceRequest. | 31 // Takes the message pipe from another InterfaceRequest. |
| 32 InterfaceRequest(InterfaceRequest&& other) { | 32 InterfaceRequest(InterfaceRequest&& other) { |
| 33 handle_ = std::move(other.handle_); | 33 handle_ = std::move(other.handle_); |
| 34 } | 34 } |
| (...skipping 24 matching lines...) Expand all Loading... |
| 59 if (this == &other) | 59 if (this == &other) |
| 60 return true; | 60 return true; |
| 61 | 61 |
| 62 // Now that the two refer to different objects, they are equivalent if | 62 // Now that the two refer to different objects, they are equivalent if |
| 63 // and only if they are both invalid. | 63 // and only if they are both invalid. |
| 64 return !is_pending() && !other.is_pending(); | 64 return !is_pending() && !other.is_pending(); |
| 65 } | 65 } |
| 66 | 66 |
| 67 private: | 67 private: |
| 68 ScopedMessagePipeHandle handle_; | 68 ScopedMessagePipeHandle handle_; |
| 69 | |
| 70 DISALLOW_COPY_AND_ASSIGN(InterfaceRequest); | |
| 71 }; | 69 }; |
| 72 | 70 |
| 73 // Makes an InterfaceRequest bound to the specified message pipe. If |handle| | 71 // Makes an InterfaceRequest bound to the specified message pipe. If |handle| |
| 74 // is empty or invalid, the resulting InterfaceRequest will represent the | 72 // is empty or invalid, the resulting InterfaceRequest will represent the |
| 75 // absence of a request. | 73 // absence of a request. |
| 76 template <typename Interface> | 74 template <typename Interface> |
| 77 InterfaceRequest<Interface> MakeRequest(ScopedMessagePipeHandle handle) { | 75 InterfaceRequest<Interface> MakeRequest(ScopedMessagePipeHandle handle) { |
| 78 InterfaceRequest<Interface> request; | 76 InterfaceRequest<Interface> request; |
| 79 request.Bind(std::move(handle)); | 77 request.Bind(std::move(handle)); |
| 80 return std::move(request); | 78 return std::move(request); |
| (...skipping 59 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 140 bool FuseInterface(InterfaceRequest<Interface> request, | 138 bool FuseInterface(InterfaceRequest<Interface> request, |
| 141 InterfacePtrInfo<Interface> proxy_info) { | 139 InterfacePtrInfo<Interface> proxy_info) { |
| 142 MojoResult result = FuseMessagePipes(request.PassMessagePipe(), | 140 MojoResult result = FuseMessagePipes(request.PassMessagePipe(), |
| 143 proxy_info.PassHandle()); | 141 proxy_info.PassHandle()); |
| 144 return result == MOJO_RESULT_OK; | 142 return result == MOJO_RESULT_OK; |
| 145 } | 143 } |
| 146 | 144 |
| 147 } // namespace mojo | 145 } // namespace mojo |
| 148 | 146 |
| 149 #endif // MOJO_PUBLIC_CPP_BINDINGS_INTERFACE_REQUEST_H_ | 147 #endif // MOJO_PUBLIC_CPP_BINDINGS_INTERFACE_REQUEST_H_ |
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