Update mojo sdk to rev c02a28868825edfa57ab77947b8cb15e741c5598

third_party/mojo/src/mojo/public/cpp/bindings/interface_impl.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_INTERFACE_IMPL_H_
-#define MOJO_PUBLIC_CPP_BINDINGS_INTERFACE_IMPL_H_
-
-#include "mojo/public/cpp/bindings/binding.h"
-#include "mojo/public/cpp/bindings/interface_ptr_info.h"
-#include "mojo/public/cpp/bindings/interface_request.h"
-#include "mojo/public/cpp/environment/environment.h"
-#include "mojo/public/cpp/system/macros.h"
-
-namespace mojo {
-
-// DEPRECATED! Please use mojo::Binding instead of InterfaceImpl<> in new code.
-//
-// InterfaceImpl<..> is designed to be the base class of an interface
-// implementation. It may be bound to a pipe or a proxy, see BindToPipe and
-// BindToProxy.
-template <typename Interface>
-class InterfaceImpl : public Interface, public ErrorHandler {
- public:
-  using ImplementedInterface = Interface;
-
-  InterfaceImpl() : binding_(this), error_handler_impl_(this) {
-    binding_.set_error_handler(&error_handler_impl_);
-  }
-  virtual ~InterfaceImpl() {}
-
-  void BindToHandle(
-      ScopedMessagePipeHandle handle,
-      const MojoAsyncWaiter* waiter = Environment::GetDefaultAsyncWaiter()) {
-    binding_.Bind(handle.Pass(), waiter);
-  }
-
-  bool WaitForIncomingMethodCall() {
-    return binding_.WaitForIncomingMethodCall();
-  }
-
-  internal::Router* internal_router() { return binding_.internal_router(); }
-
-  // Implements ErrorHandler.
-  //
-  // Called when the underlying pipe is closed. After this point no more
-  // calls will be made on Interface and all responses will be silently ignored.
-  void OnConnectionError() override {}
-
-  void set_delete_on_error(bool delete_on_error) {
-    error_handler_impl_.set_delete_on_error(delete_on_error);
-  }
-
- private:
-  class ErrorHandlerImpl : public ErrorHandler {
-   public:
-    explicit ErrorHandlerImpl(InterfaceImpl* impl) : impl_(impl) {}
-    ~ErrorHandlerImpl() override {}
-
-    // ErrorHandler implementation:
-    void OnConnectionError() override {
-      // If the the instance is not bound to the pipe, the instance might choose
-      // to delete the binding in the OnConnectionError handler, which would in
-      // turn delete |this|.  Save the error behavior before invoking the error
-      // handler so we can correctly decide what to do.
-      bool delete_on_error = delete_on_error_;
-      impl_->OnConnectionError();
-      if (delete_on_error)
-        delete impl_;
-    }
-
-    void set_delete_on_error(bool delete_on_error) {
-      delete_on_error_ = delete_on_error;
-    }
-
-   private:
-    InterfaceImpl* impl_;
-    bool delete_on_error_ = false;
-
-    MOJO_DISALLOW_COPY_AND_ASSIGN(ErrorHandlerImpl);
-  };
-
-  Binding<Interface> binding_;
-  ErrorHandlerImpl error_handler_impl_;
-
-  MOJO_DISALLOW_COPY_AND_ASSIGN(InterfaceImpl);
-};
-
-// Takes an instance of an InterfaceImpl<..> subclass and binds it to the given
-// MessagePipe. The instance is returned for convenience in member initializer
-// lists, etc.
-//
-// If the pipe is closed, the instance's OnConnectionError method will be called
-// and then the instance will be deleted.
-//
-// The instance is also bound to the current thread. Its methods will only be
-// called on the current thread, and if the current thread exits, then the end
-// point of the pipe will be closed and the error handler's OnConnectionError
-// method will be called.
-template <typename Impl>
-Impl* BindToPipe(
-    Impl* instance,
-    ScopedMessagePipeHandle handle,
-    const MojoAsyncWaiter* waiter = Environment::GetDefaultAsyncWaiter()) {
-  instance->set_delete_on_error(true);
-  instance->BindToHandle(handle.Pass(), waiter);
-  return instance;
-}
-
-// Like BindToPipe but does not delete the instance after a channel error.
-template <typename Impl>
-Impl* WeakBindToPipe(
-    Impl* instance,
-    ScopedMessagePipeHandle handle,
-    const MojoAsyncWaiter* waiter = Environment::GetDefaultAsyncWaiter()) {
-  instance->BindToHandle(handle.Pass(), waiter);
-  return instance;
-}
-
-// Takes an instance of an InterfaceImpl<..> subclass and binds it to the given
-// InterfacePtr<..>. The instance is returned for convenience in member
-// initializer lists, etc. If the pipe is closed, the instance's
-// OnConnectionError method will be called and then the instance will be
-// deleted.
-//
-// The instance is also bound to the current thread. Its methods will only be
-// called on the current thread, and if the current thread exits, then it will
-// also be deleted, and along with it, its end point of the pipe will be closed.
-template <typename Impl, typename Interface>
-Impl* BindToProxy(
-    Impl* instance,
-    InterfacePtr<Interface>* ptr,
-    const MojoAsyncWaiter* waiter = Environment::GetDefaultAsyncWaiter()) {
-  instance->set_delete_on_error(true);
-  WeakBindToProxy(instance, ptr, waiter);
-  return instance;
-}
-
-// Like BindToProxy but does not delete the instance after a channel error.
-template <typename Impl, typename Interface>
-Impl* WeakBindToProxy(
-    Impl* instance,
-    InterfacePtr<Interface>* ptr,
-    const MojoAsyncWaiter* waiter = Environment::GetDefaultAsyncWaiter()) {
-  MessagePipe pipe;
-  ptr->Bind(InterfacePtrInfo<Interface>(pipe.handle0.Pass(), 0u), waiter);
-  instance->BindToHandle(pipe.handle1.Pass(), waiter);
-  return instance;
-}
-
-// Takes an instance of an InterfaceImpl<..> subclass and binds it to the given
-// InterfaceRequest<..>. The instance is returned for convenience in member
-// initializer lists, etc. If the pipe is closed, the instance's
-// OnConnectionError method will be called and then the instance will be
-// deleted.
-//
-// The instance is also bound to the current thread. Its methods will only be
-// called on the current thread, and if the current thread exits, then it will
-// also be deleted, and along with it, its end point of the pipe will be closed.
-template <typename Impl, typename Interface>
-Impl* BindToRequest(
-    Impl* instance,
-    InterfaceRequest<Interface>* request,
-    const MojoAsyncWaiter* waiter = Environment::GetDefaultAsyncWaiter()) {
-  return BindToPipe(instance, request->PassMessagePipe(), waiter);
-}
-
-// Like BindToRequest but does not delete the instance after a channel error.
-template <typename Impl, typename Interface>
-Impl* WeakBindToRequest(
-    Impl* instance,
-    InterfaceRequest<Interface>* request,
-    const MojoAsyncWaiter* waiter = Environment::GetDefaultAsyncWaiter()) {
-  return WeakBindToPipe(instance, request->PassMessagePipe(), waiter);
-}
-
-}  // namespace mojo
-
-#endif  // MOJO_PUBLIC_CPP_BINDINGS_INTERFACE_IMPL_H_