Move services/shell to services/service_manager

services/shell/public/cpp/lib/callback_binder.h

-// Copyright 2016 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 SERVICES_SHELL_PUBLIC_CPP_LIB_CALLBACK_BINDER_H_
-#define SERVICES_SHELL_PUBLIC_CPP_LIB_CALLBACK_BINDER_H_
-
-#include <utility>
-
-#include "base/bind.h"
-#include "mojo/public/cpp/bindings/interface_request.h"
-#include "services/shell/public/cpp/interface_binder.h"
-
-namespace shell {
-namespace internal {
-
-template <typename Interface>
-class CallbackBinder : public InterfaceBinder {
- public:
-  // Method that binds a request for Interface.
-  using BindCallback =
-      base::Callback<void(mojo::InterfaceRequest<Interface>)>;
-
-  explicit CallbackBinder(
-      const BindCallback& callback,
-      const scoped_refptr<base::SingleThreadTaskRunner>& task_runner)
-      : callback_(callback), task_runner_(task_runner) {}
-  ~CallbackBinder() override {}
-
- private:
-  // InterfaceBinder:
-  void BindInterface(
-      const Identity& remote_identity,
-      const std::string& interface_name,
-      mojo::ScopedMessagePipeHandle handle) override {
-    mojo::InterfaceRequest<Interface> request =
-        mojo::MakeRequest<Interface>(std::move(handle));
-    if (task_runner_) {
-      task_runner_->PostTask(
-          FROM_HERE,
-          base::Bind(&CallbackBinder::RunCallbackOnTaskRunner, callback_,
-                     base::Passed(&request)));
-      return;
-    }
-    callback_.Run(std::move(request));
-  }
-
-  static void RunCallbackOnTaskRunner(
-      const BindCallback& callback,
-      mojo::InterfaceRequest<Interface> client) {
-    callback.Run(std::move(client));
-  }
-
-  const BindCallback callback_;
-  scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
-  DISALLOW_COPY_AND_ASSIGN(CallbackBinder);
-};
-
-class GenericCallbackBinder : public InterfaceBinder {
- public:
-  using BindCallback = base::Callback<void(mojo::ScopedMessagePipeHandle)>;
-
-  explicit GenericCallbackBinder(
-      const BindCallback& callback,
-      const scoped_refptr<base::SingleThreadTaskRunner>& task_runner);
-  ~GenericCallbackBinder() override;
-
- private:
-  // InterfaceBinder:
-  void BindInterface(const shell::Identity& remote_identity,
-                     const std::string& interface_name,
-                     mojo::ScopedMessagePipeHandle handle) override;
-
-  static void RunCallbackOnTaskRunner(
-      const BindCallback& callback,
-      mojo::ScopedMessagePipeHandle client_handle);
-
-  const BindCallback callback_;
-  scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
-  DISALLOW_COPY_AND_ASSIGN(GenericCallbackBinder);
-};
-
-}  // namespace internal
-}  // namespace shell
-
-#endif  // SERVICES_SHELL_PUBLIC_CPP_LIB_CALLBACK_BINDER_H_