[ash-md] Adds Wi-Fi header row to system tray network detailed view

ui/chromeos/network/network_list_md.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 UI_CHROMEOS_NETWORK_NETWORK_LIST_H_
-#define UI_CHROMEOS_NETWORK_NETWORK_LIST_H_
+#ifndef UI_CHROMEOS_NETWORK_NETWORK_LIST_MD_H_
+#define UI_CHROMEOS_NETWORK_NETWORK_LIST_MD_H_
 
 #include <map>
 #include <memory>
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/macros.h"
 #include "chromeos/network/network_state_handler.h"
 #include "ui/chromeos/network/network_icon_animation_observer.h"
 #include "ui/chromeos/network/network_list_view_base.h"
 #include "ui/chromeos/ui_chromeos_export.h"
 #include "ui/gfx/image/image_skia.h"
+#include "ui/views/controls/button/button.h"
 
 namespace views {
 class Label;
 class View;
 }
 
 namespace ui {
 
 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 UI_CHROMEOS_EXPORT NetworkListView
+class UI_CHROMEOS_EXPORT NetworkListViewMd
     : public NetworkListViewBase,
-      public network_icon::AnimationObserver {
+      public network_icon::AnimationObserver,
+      public views::ButtonListener {
  public:
-  explicit NetworkListView(NetworkListDelegate* delegate);
-  ~NetworkListView() override;
+  explicit NetworkListViewMd(NetworkListDelegate* delegate);
+  ~NetworkListViewMd() override;
 
   // NetworkListViewBase:
   void Update() override;
   bool IsNetworkEntry(views::View* view,
                       std::string* service_path) const override;
 
  private:
+  class WiFiHeaderRowView;
+
   void UpdateNetworks(
       const chromeos::NetworkStateHandler::NetworkStateList& networks);
   void UpdateNetworkIcons();
+  void OrderNetworks();
   void UpdateNetworkListInternal();
   void HandleRelayout();
   bool UpdateNetworkListEntries(std::set<std::string>* new_service_paths);
   bool UpdateNetworkChildren(std::set<std::string>* new_service_paths,
                              int* child_index,
-                             bool highlighted);
+                             bool wifi);
   bool UpdateNetworkChild(int index, const NetworkInfo* info);
   bool PlaceViewAtIndex(views::View* view, int index);
   bool UpdateInfoLabel(int message_id, int index, views::Label** label);
+  bool UpdateWiFiHeaderRow(bool enabled, int index, WiFiHeaderRowView** view);
 
   // network_icon::AnimationObserver:
   void NetworkIconChanged() override;
 
+  // views::ButtonListener:
+  void ButtonPressed(views::Button* sender, const ui::Event& event) override;
+
   NetworkListDelegate* delegate_;
 
   views::Label* no_wifi_networks_view_;
   views::Label* no_cellular_networks_view_;
+  WiFiHeaderRowView* wifi_header_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 service paths to their view.
   typedef std::map<std::string, views::View*> ServicePathMap;
   ServicePathMap service_path_map_;
 
-  DISALLOW_COPY_AND_ASSIGN(NetworkListView);
+  DISALLOW_COPY_AND_ASSIGN(NetworkListViewMd);
 };
 
 }  // namespace ui
 
-#endif  // UI_CHROMEOS_NETWORK_NETWORK_LIST_H_
+#endif  // UI_CHROMEOS_NETWORK_NETWORK_LIST_MD_H_