chrome://plugins Mojo-ification part 2/2, populating the page.

chrome/browser/ui/webui/plugins/plugins_handler.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 CHROME_BROWSER_UI_WEBUI_PLUGINS_PLUGINS_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_PLUGINS_PLUGINS_HANDLER_H_
 
 #include "base/memory/weak_ptr.h"
 #include "base/prefs/pref_member.h"
 #include "base/values.h"
+#include "chrome/browser/ui/webui/mojo_web_ui_handler.h"
+#include "chrome/browser/ui/webui/plugins/plugins.mojom.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "content/public/browser/notification_source.h"
 #include "content/public/browser/web_ui_message_handler.h"
 #include "content/public/common/webplugininfo.h"
+#include "mojo/public/cpp/bindings/binding.h"
 
-class PluginsHandler : public content::WebUIMessageHandler,
+class PluginsHandler : public MojoWebUIHandler,
+                       public PluginsHandlerMojo,
                        public content::NotificationObserver {
  public:
-  PluginsHandler();
+  PluginsHandler(content::WebUI* web_ui,
+                 mojo::InterfaceRequest<PluginsHandlerMojo> request);
   ~PluginsHandler() override;
 
-  // content::WebUIMessageHandler implementation.
-  void RegisterMessages() override;
+  // PluginsHandlerMojo overrides:
+  void GetPluginsData(const GetPluginsDataCallback& callback) override;
+  void GetShowDetails(const GetShowDetailsCallback& callback) override;
+  void SaveShowDetailsToPrefs(bool details_mode) override;
+  void SetPluginAlwaysAllowed(const mojo::String& plugin,
+                              bool allowed) override;
+  void SetPluginEnabled(const mojo::String& plugin_path, bool enable) override;
+  void SetPluginGroupEnabled(const mojo::String& group_name,
+                             bool enable) override;
+  void SetClientPage(PluginsPageMojoPtr page) override;
 
   // content::NotificationObserver implementation.
   void Observe(int type,
                const content::NotificationSource& source,
                const content::NotificationDetails& details) override;
 
  private:
-  // Callback for the "requestPluginsData" message.
-  void HandleRequestPluginsData(const base::ListValue* args);
+  mojo::Array<PluginDataPtr> GeneratePluginsData(
+      const std::vector<content::WebPluginInfo>& plugins);
 
-  // Callback for the "enablePlugin" message.
-  void HandleEnablePluginMessage(const base::ListValue* args);
-
-  // Callback for the "saveShowDetailsToPrefs" message.
-  void HandleSaveShowDetailsToPrefs(const base::ListValue* args);
-
-  // Calback for the "getShowDetails" message.
-  void HandleGetShowDetails(const base::ListValue* args);
-
-  // Callback for the "setPluginAlwaysAllowed" message.
-  void HandleSetPluginAlwaysAllowed(const base::ListValue* args);
-
-  void LoadPlugins();
-
-  // Called on the UI thread when the plugin information is ready.
-  void PluginsLoaded(const std::vector<content::WebPluginInfo>& plugins);
+  PluginFilePtr GeneratePluginFile(const content::WebPluginInfo& plugin,
+                                   const base::string16& group_name,
+                                   bool plugin_enabled) const;
 
   // Detect a plugin's enabled mode (one of enabledByUser, disabledByUser,
   // enabledByPolicy, disabledByPolicy).
   std::string GetPluginEnabledMode(const base::string16& plugin_name,
                                    const base::string16& group_name,
                                    bool plugin_enabled) const;
 
   // Detect a plugin group's enabled mode (one of enabledByUser, disabledByUser,
   // enabledByPolicy, disabledByPolicy, managedByPolicy).
-  std::string GetPluginGroupEnabledMode(const base::ListValue& plugin_files,
-                                        bool group_enabled) const;
+  std::string GetPluginGroupEnabledMode(
+      const mojo::Array<PluginFilePtr>& plugin_files,
+      bool group_enabled) const;
+
+  // Called on the UI thread when the plugin info requested fom GetPluginsData
+  // is ready.
+  void RespondWithPluginsData(
+      const GetPluginsDataCallback& callback,
+      const std::vector<content::WebPluginInfo>& plugins);
+
+  // Called on the UI thread when the plugin info has changed and calls the page
+  // to update it.
+  void NotifyWithPluginsData(
+      const std::vector<content::WebPluginInfo>& plugins);
 
   content::NotificationRegistrar registrar_;
 
   // This pref guards the value whether about:plugins is in the details mode or
   // not.
   BooleanPrefMember show_details_;
 
+  // Owned by RenderFrameHostImpl.
+  content::WebUI* web_ui_;
+
+  mojo::Binding<PluginsHandlerMojo> binding_;
+
+  // Handle back to the page by which JS methods can be called.
+  PluginsPageMojoPtr page_;
+
   base::WeakPtrFactory<PluginsHandler> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PluginsHandler);
 };
 
-#endif // CHROME_BROWSER_UI_WEBUI_PLUGINS_PLUGINS_HANDLER_H_
+#endif  // CHROME_BROWSER_UI_WEBUI_PLUGINS_PLUGINS_HANDLER_H_