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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. | 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 | 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_ASSOCIATED_GROUP_H_ | 5 #ifndef MOJO_PUBLIC_CPP_BINDINGS_ASSOCIATED_GROUP_H_ |
| 6 #define MOJO_PUBLIC_CPP_BINDINGS_ASSOCIATED_GROUP_H_ | 6 #define MOJO_PUBLIC_CPP_BINDINGS_ASSOCIATED_GROUP_H_ |
| 7 | 7 |
| 8 #include <utility> | 8 #include <utility> |
| 9 | 9 |
| 10 #include "base/memory/ref_counted.h" | 10 #include "base/memory/ref_counted.h" |
| 11 #include "mojo/public/cpp/bindings/associated_interface_ptr_info.h" | 11 #include "mojo/public/cpp/bindings/associated_interface_ptr_info.h" |
| 12 #include "mojo/public/cpp/bindings/associated_interface_request.h" | 12 #include "mojo/public/cpp/bindings/associated_interface_request.h" |
| 13 #include "mojo/public/cpp/bindings/lib/scoped_interface_endpoint_handle.h" | 13 #include "mojo/public/cpp/bindings/scoped_interface_endpoint_handle.h" |
| 14 | 14 |
| 15 namespace mojo { | 15 namespace mojo { |
| 16 | 16 |
| 17 namespace internal { | 17 namespace internal { |
| 18 class MultiplexRouter; | 18 class MultiplexRouter; |
| 19 } | 19 } |
| 20 | 20 |
| 21 // AssociatedGroup refers to all the interface endpoints running at one end of a | 21 // AssociatedGroup refers to all the interface endpoints running at one end of a |
| 22 // message pipe. It is used to create associated interfaces for that message | 22 // message pipe. It is used to create associated interfaces for that message |
| 23 // pipe. | 23 // pipe. |
| (...skipping 19 matching lines...) Expand all Loading... |
| 43 // restriction: the pointer should NOT be used to make calls before |request| | 43 // restriction: the pointer should NOT be used to make calls before |request| |
| 44 // is sent. Violating that will cause the message pipe to be closed. On the | 44 // is sent. Violating that will cause the message pipe to be closed. On the |
| 45 // other hand, as soon as |request| is sent, the pointer is usable. There is | 45 // other hand, as soon as |request| is sent, the pointer is usable. There is |
| 46 // no need to wait until |request| is bound to an implementation at the remote | 46 // no need to wait until |request| is bound to an implementation at the remote |
| 47 // side. | 47 // side. |
| 48 template <typename T> | 48 template <typename T> |
| 49 void CreateAssociatedInterface( | 49 void CreateAssociatedInterface( |
| 50 AssociatedInterfaceConfig config, | 50 AssociatedInterfaceConfig config, |
| 51 AssociatedInterfacePtrInfo<T>* ptr_info, | 51 AssociatedInterfacePtrInfo<T>* ptr_info, |
| 52 AssociatedInterfaceRequest<T>* request) { | 52 AssociatedInterfaceRequest<T>* request) { |
| 53 internal::ScopedInterfaceEndpointHandle local; | 53 ScopedInterfaceEndpointHandle local; |
| 54 internal::ScopedInterfaceEndpointHandle remote; | 54 ScopedInterfaceEndpointHandle remote; |
| 55 CreateEndpointHandlePair(&local, &remote); | 55 CreateEndpointHandlePair(&local, &remote); |
| 56 | 56 |
| 57 if (!local.is_valid() || !remote.is_valid()) { | 57 if (!local.is_valid() || !remote.is_valid()) { |
| 58 *ptr_info = AssociatedInterfacePtrInfo<T>(); | 58 *ptr_info = AssociatedInterfacePtrInfo<T>(); |
| 59 *request = AssociatedInterfaceRequest<T>(); | 59 *request = AssociatedInterfaceRequest<T>(); |
| 60 return; | 60 return; |
| 61 } | 61 } |
| 62 | 62 |
| 63 if (config == WILL_PASS_PTR) { | 63 if (config == WILL_PASS_PTR) { |
| 64 internal::AssociatedInterfacePtrInfoHelper::SetHandle(ptr_info, | 64 ptr_info->set_handle(std::move(remote)); |
| 65 std::move(remote)); | 65 |
| 66 // The implementation is local, therefore set the version according to | 66 // The implementation is local, therefore set the version according to |
| 67 // the interface definition that this code is built against. | 67 // the interface definition that this code is built against. |
| 68 ptr_info->set_version(T::Version_); | 68 ptr_info->set_version(T::Version_); |
| 69 internal::AssociatedInterfaceRequestHelper::SetHandle(request, | 69 request->Bind(std::move(local)); |
| 70 std::move(local)); | |
| 71 } else { | 70 } else { |
| 72 internal::AssociatedInterfacePtrInfoHelper::SetHandle(ptr_info, | 71 ptr_info->set_handle(std::move(local)); |
| 73 std::move(local)); | 72 |
| 74 // The implementation is remote, we don't know about its actual version | 73 // The implementation is remote, we don't know about its actual version |
| 75 // yet. | 74 // yet. |
| 76 ptr_info->set_version(0u); | 75 ptr_info->set_version(0u); |
| 77 internal::AssociatedInterfaceRequestHelper::SetHandle(request, | 76 request->Bind(std::move(remote)); |
| 78 std::move(remote)); | |
| 79 } | 77 } |
| 80 } | 78 } |
| 81 | 79 |
| 82 private: | 80 private: |
| 83 friend class internal::MultiplexRouter; | 81 friend class internal::MultiplexRouter; |
| 84 | 82 |
| 85 void CreateEndpointHandlePair( | 83 void CreateEndpointHandlePair( |
| 86 internal::ScopedInterfaceEndpointHandle* local_endpoint, | 84 ScopedInterfaceEndpointHandle* local_endpoint, |
| 87 internal::ScopedInterfaceEndpointHandle* remote_endpoint); | 85 ScopedInterfaceEndpointHandle* remote_endpoint); |
| 88 | 86 |
| 89 scoped_refptr<internal::MultiplexRouter> router_; | 87 scoped_refptr<internal::MultiplexRouter> router_; |
| 90 }; | 88 }; |
| 91 | 89 |
| 92 } // namespace mojo | 90 } // namespace mojo |
| 93 | 91 |
| 94 #endif // MOJO_PUBLIC_CPP_BINDINGS_ASSOCIATED_GROUP_H_ | 92 #endif // MOJO_PUBLIC_CPP_BINDINGS_ASSOCIATED_GROUP_H_ |
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