Chromad: added AD Join ui, authpolicy_client

chromeos/dbus/auth_policy_client.h

+// Copyright (c) 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 CHROMEOS_DBUS_AUTH_POLICY_CLIENT_H_
+#define CHROMEOS_DBUS_AUTH_POLICY_CLIENT_H_
+
+#include <string>
+
+#include "base/callback.h"
+#include "chromeos/chromeos_export.h"
+#include "chromeos/dbus/dbus_client.h"
+
+// TODO(rsorokin): Switch to service constants when it's landed.
+// (see crbug.com/659732)
+namespace authpolicy {
+enum ADJoinErrorType {
+  AD_JOIN_ERROR_NONE = 0,
+  AD_JOIN_ERROR_UNKNOWN = 1,
+  AD_JOIN_ERROR_DBUS_FAIL = 2,
+};
+}
+
+namespace chromeos {
+
+// AuthPolicyClient is used to communicate with the org.chromium.AuthPolicy
+// sevice. All method should be called from the origin thread (UI thread) which
+// initializes the DBusThreadManager instance.
+class CHROMEOS_EXPORT AuthPolicyClient : public DBusClient {
+ public:
+  using JoinCallback = base::Callback<void(int error_code)>;
+
+  ~AuthPolicyClient() override;
+
+  // Factory function, creates a new instance and returns ownership.
+  // For normal usage, access the singleton via DBusThreadManager::Get().
+  static AuthPolicyClient* Create();
+
+  // TODO(rsorokin): Write more descriptive comment.

[hashimoto, 2016/11/07 02:34:18]

Could you resolve this TODO?

+  // Calls JoinADDomain. Uses |machine_name| to join it to the domain. |user|,
+  // |password_fd| are credentials of the AD user which have right to join the
+  // domain. |password_fd| is a file descriptor password is read from.
+  // The caller should close it after the call.
+  // |callback| is called after the method call succeeds.
+  virtual void JoinAdDomain(const std::string& machine_name,
+                            const std::string& user,
+                            int password_fd,
+                            const JoinCallback& callback) = 0;
+
+ protected:
+  // Create() should be used instead.
+  AuthPolicyClient();
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(AuthPolicyClient);
+};
+
+}  // namespace chromeos
+
+#endif  // CHROMEOS_DBUS_AUTH_POLICY_CLIENT_H_