Adding a new ManagedNetworkConfigurationHandler.

chrome/browser/chromeos/net/managed_network_configuration_handler.h

Index: chrome/browser/chromeos/net/managed_network_configuration_handler.h
diff --git a/chrome/browser/chromeos/net/managed_network_configuration_handler.h b/chrome/browser/chromeos/net/managed_network_configuration_handler.h
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+++ b/chrome/browser/chromeos/net/managed_network_configuration_handler.h
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+// Copyright (c) 2013 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 CHROME_BROWSER_CHROMEOS_NET_MANAGED_NETWORK_CONFIGURATION_HANDLER_H_
+#define CHROME_BROWSER_CHROMEOS_NET_MANAGED_NETWORK_CONFIGURATION_HANDLER_H_
+
+#include <string>
+#include <vector>
+
+#include "base/basictypes.h"
+#include "base/callback.h"
+#include "base/gtest_prod_util.h"
+#include "chromeos/chromeos_export.h"
+#include "chromeos/network/network_handler_callbacks.h"
+
+namespace base {
+class DictionaryValue;
+}
+
+namespace chromeos {
+
+// The ManagedNetworkConfigurationHandler class is used to create and configure
+// networks in ChromeOS using ONC.
+//
+// Its interface exposes only ONC and should decouple users from Shill.
+// Internally it translates ONC to Shill dictionaries and calls through to the
+// NetworkConfigurationHandler.
+//
+// For accessing lists of visible networks, and other state information, see the
+// class NetworkStateHandler.
+//
+// This is a singleton and its lifetime is managed by the Chrome startup code.
+//
+// Network configurations are referred to by Shill's service path. These
+// identifiers should at most be used to also access network state using the
+// NetworkStateHandler, but dependencies to Shill should be avoided. In the
+// future, we may switch to other identifiers.
+//
+// Note on callbacks: Because all the functions here are meant to be
+// asynchronous, they all take a |callback| of some type, and an
+// |error_callback|. When the operation succeeds, |callback| will be called, and
+// when it doesn't, |error_callback| will be called with information about the
+// error, including a symbolic name for the error and often some error message
+// that is suitable for logging. None of the error message text is meant for
+// user consumption.
+//
+// TODO(pneubeck): Enforce network policies.
+
+class ManagedNetworkConfigurationHandler {
+ public:
+  // Initializes the singleton.
+  static void Initialize();
+
+  // Returns if the singleton is initialized.
+  static bool IsInitialized();
+
+  // Destroys the singleton.
+  static void Shutdown();
+
+  // Initialize() must be called before this.
+  static ManagedNetworkConfigurationHandler* Get();
+
+  // Provides the properties of the network with |service_path| to |callback|.
+  void GetProperties(
+      const std::string& service_path,
+      const network_handler::DictionaryResultCallback& callback,
+      const network_handler::ErrorCallback& error_callback) const;
+
+  // Sets the user's settings of an already configured network with
+  // |service_path|. A network can be initially configured by calling
+  // CreateConfiguration or if it is managed by a policy. The given properties
+  // will be merged with the existing settings, and it won't clear any existing
+  // properties.
+  void SetProperties(
+      const std::string& service_path,
+      const base::DictionaryValue& properties,
+      const base::Closure& callback,
+      const network_handler::ErrorCallback& error_callback) const;
+
+  // Initiates a connection with network that has |service_path|. |callback| is
+  // called if the connection request was successfully handled. That doesn't
+  // mean that the connection was successfully established.
+  void Connect(const std::string& service_path,
+               const base::Closure& callback,
+               const network_handler::ErrorCallback& error_callback) const;
+
+  // Initiates a disconnect with the network at |service_path|. |callback| is
+  // called if the diconnect request was successfully handled. That doesn't mean
+  // that the network is already diconnected.
+  void Disconnect(const std::string& service_path,
+                  const base::Closure& callback,
+                  const network_handler::ErrorCallback& error_callback) const;
+
+  // Initially configures an unconfigured network with the given user settings
+  // and returns the new identifier to |callback| if successful. Fails if the
+  // network was already configured by a call to this function or because of a
+  // policy.
+  void CreateConfiguration(
+      const base::DictionaryValue& properties,
+      const network_handler::StringResultCallback& callback,
+      const network_handler::ErrorCallback& error_callback) const;
+
+  // Removes the user's configuration from the network with |service_path|. The
+  // network may still show up in the visible networks after this, but no user
+  // configuration will remain. If it was managed, it will still be configured.
+  void RemoveConfiguration(
+      const std::string& service_path,
+      const base::Closure& callback,
+      const network_handler::ErrorCallback& error_callback) const;
+
+ private:
+  ManagedNetworkConfigurationHandler();
+  ~ManagedNetworkConfigurationHandler();
+
+  DISALLOW_COPY_AND_ASSIGN(ManagedNetworkConfigurationHandler);
+};
+
+}  // namespace chromeos
+
+#endif  // CHROME_BROWSER_CHROMEOS_NET_MANAGED_NETWORK_CONFIGURATION_HANDLER_H_