Revert of Remove a lot of pre-MD code from NetworkStateListDetailedView

ash/common/system/chromeos/network/network_list.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 ASH_COMMON_SYSTEM_CHROMEOS_NETWORK_NETWORK_LIST_H_
+#define ASH_COMMON_SYSTEM_CHROMEOS_NETWORK_NETWORK_LIST_H_
+
+#include <map>
+#include <memory>
+#include <set>
+#include <string>
+#include <vector>
+
+#include "ash/common/system/chromeos/network/network_icon_animation_observer.h"
+#include "ash/common/system/chromeos/network/network_list_view_base.h"
+#include "base/macros.h"
+#include "chromeos/network/network_state_handler.h"
+#include "ui/gfx/image/image_skia.h"
+
+namespace views {
+class Label;
+class View;
+}
+
+namespace ash {
+
+struct NetworkInfo;
+class NetworkListDelegate;
+
+// A list of available networks of a given type. This class is used for all
+// network types except VPNs. For VPNs, see the |VPNList| class.
+class NetworkListView : public NetworkListViewBase,
+                        public network_icon::AnimationObserver {
+ public:
+  explicit NetworkListView(NetworkListDelegate* delegate);
+  ~NetworkListView() override;
+
+  // NetworkListViewBase:
+  void Update() override;
+  bool IsNetworkEntry(views::View* view, std::string* guid) const override;
+
+ private:
+  void UpdateNetworks(
+      const chromeos::NetworkStateHandler::NetworkStateList& networks);
+  void UpdateNetworkIcons();
+  void UpdateNetworkListInternal();
+  void HandleRelayout();
+  bool UpdateNetworkListEntries(std::set<std::string>* new_guids);
+  bool UpdateNetworkChildren(std::set<std::string>* new_guids,
+                             int* child_index,
+                             bool highlighted);
+  bool UpdateNetworkChild(int index, const NetworkInfo* info);
+  bool PlaceViewAtIndex(views::View* view, int index);
+  bool UpdateInfoLabel(int message_id, int index, views::Label** label);
+
+  // network_icon::AnimationObserver:
+  void NetworkIconChanged() override;
+
+  NetworkListDelegate* delegate_;
+
+  views::Label* no_wifi_networks_view_;
+  views::Label* no_cellular_networks_view_;
+
+  // An owned list of network info.
+  std::vector<std::unique_ptr<NetworkInfo>> network_list_;
+
+  typedef std::map<views::View*, std::string> NetworkMap;
+  NetworkMap network_map_;
+
+  // A map of network guids to their view.
+  typedef std::map<std::string, views::View*> NetworkGuidMap;
+  NetworkGuidMap network_guid_map_;
+
+  DISALLOW_COPY_AND_ASSIGN(NetworkListView);
+};
+
+}  // namespace ash
+
+#endif  // ASH_COMMON_SYSTEM_CHROMEOS_NETWORK_NETWORK_LIST_H_