Mojo: Replace RemotePtr with InterfacePtr and InterfaceImpl

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

+// Copyright 2014 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_IMPL_INTERNAL_H_
+#define MOJO_PUBLIC_CPP_BINDINGS_LIB_INTERFACE_IMPL_INTERNAL_H_
+
+#include "mojo/public/cpp/bindings/error_handler.h"
+#include "mojo/public/cpp/bindings/interface_ptr.h"
+#include "mojo/public/cpp/system/macros.h"
+
+namespace mojo {
+namespace internal {
+
+template <typename Interface>
+class InterfaceImplState : public ErrorHandler {
+ public:
+  explicit InterfaceImplState(WithErrorHandler<Interface>* instance)
+      : router_(NULL),
+        proxy_(NULL) {
+    assert(instance);
+    stub_.set_sink(instance);
+  }
+
+  virtual ~InterfaceImplState() {
+    delete proxy_;
+    if (router_) {
+      router_->set_error_handler(NULL);
+      delete router_;
+    }
+  }
+
+  void BindProxy(
+      InterfacePtr<Interface>* ptr,
+      MojoAsyncWaiter* waiter = GetDefaultAsyncWaiter()) {
+    MessagePipe pipe;
+    ptr->Bind(pipe.handle0.Pass(), waiter);
+    Bind(pipe.handle1.Pass(), waiter);
+  }
+
+  void Bind(ScopedMessagePipeHandle handle,
+            MojoAsyncWaiter* waiter) {
+    assert(!router_);
+
+    router_ = new Router(handle.Pass(), waiter);
+    router_->set_incoming_receiver(&stub_);
+    router_->set_error_handler(this);
+
+    proxy_ = new typename Interface::Client_::Proxy_(router_);
+
+    stub_.sink()->SetClient(proxy_);
+  }
+
+  Router* router() { return router_; }
+
+ private:
+  virtual void OnConnectionError() MOJO_OVERRIDE {
+    static_cast<WithErrorHandler<Interface>*>(stub_.sink())->
+        OnConnectionError();
+  }
+
+  internal::Router* router_;
+  typename Interface::Client_::Proxy_* proxy_;
+  typename Interface::Stub_ stub_;
+
+  MOJO_DISALLOW_COPY_AND_ASSIGN(InterfaceImplState);
+};
+
+}  // namespace internal
+}  // namespace mojo
+
+#endif  // MOJO_PUBLIC_CPP_BINDINGS_LIB_INTERFACE_IMPL_INTERNAL_H_