Mojo C++ bindings: introduce public associated-interface-related types.

mojo/public/cpp/bindings/lib/interface_endpoint_client.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef MOJO_PUBLIC_CPP_BINDINGS_LIB_INTERFACE_ENDPOINT_CLIENT_H_
 #define MOJO_PUBLIC_CPP_BINDINGS_LIB_INTERFACE_ENDPOINT_CLIENT_H_
 
 #include <map>
 
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/threading/thread_checker.h"
 #include "mojo/public/cpp/bindings/callback.h"
 #include "mojo/public/cpp/bindings/lib/scoped_interface_endpoint_handle.h"
 #include "mojo/public/cpp/bindings/message.h"
 #include "mojo/public/cpp/bindings/message_filter.h"
 
 namespace mojo {
+
+class AssociatedGroup;
+
 namespace internal {
 
+class MultiplexRouter;
+
 // InterfaceEndpointClient handles message sending and receiving of an interface
 // endpoint, either the implementation side or the client side.
 // It should only be accessed and destructed on the creating thread.
 class InterfaceEndpointClient : public MessageReceiverWithResponder {
  public:
   // |receiver| is okay to be null. If it is not null, it must outlive this
   // object.
   InterfaceEndpointClient(ScopedInterfaceEndpointHandle handle,
                           MessageReceiverWithResponderStatus* receiver,
                           scoped_ptr<MessageFilter> payload_validator);
@@ skipping 12 matching lines @@
     return encountered_error_;
   }
 
   // Returns true if this endpoint has any pending callbacks.
   bool has_pending_responders() const {
     DCHECK(thread_checker_.CalledOnValidThread());
     return !responders_.empty();
   }
 
   MultiplexRouter* router() const { return handle_.router(); }
+  AssociatedGroup* associated_group();
 
   // After this call the object is in an invalid state and shouldn't be reused.
   ScopedInterfaceEndpointHandle PassHandle();
 
   // Raises an error on the underlying message pipe. It disconnects the pipe
   // and notifies all interfaces running on this pipe.
   void RaiseError();
 
   // MessageReceiverWithResponder implementation:
   bool Accept(Message* message) override;
@@ skipping 22 matching lines @@
 
    private:
     InterfaceEndpointClient* const owner_;
 
     DISALLOW_COPY_AND_ASSIGN(HandleIncomingMessageThunk);
   };
 
   bool HandleValidatedMessage(Message* message);
 
   ScopedInterfaceEndpointHandle handle_;
+  scoped_ptr<AssociatedGroup> associated_group_;
 
   MessageReceiverWithResponderStatus* const incoming_receiver_;
   scoped_ptr<MessageFilter> payload_validator_;
   HandleIncomingMessageThunk thunk_;
 
   // Maps from the ID of a response to the MessageReceiver that handles the
   // response.
   ResponderMap responders_;
   uint64_t next_request_id_;
 
   Closure error_handler_;
   bool encountered_error_;
 
   base::ThreadChecker thread_checker_;
 
   base::WeakPtrFactory<InterfaceEndpointClient> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(InterfaceEndpointClient);
 };
 
 }  // namespace internal
 }  // namespace mojo
 
 #endif  // MOJO_PUBLIC_CPP_BINDINGS_LIB_INTERFACE_ENDPOINT_CLIENT_H_