Site Settings Desktop: Implement protocol handler section.

chrome/browser/ui/webui/settings/settings_handler_options_handler.h

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// 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_OPTIONS_HANDLER_OPTIONS_HANDLER_H_
-#define CHROME_BROWSER_UI_WEBUI_OPTIONS_HANDLER_OPTIONS_HANDLER_H_
+#ifndef CHROME_BROWSER_UI_WEBUI_SETTINGS_SETTINGS_HANDLER_OPTIONS_HANDLER_H_
+#define CHROME_BROWSER_UI_WEBUI_SETTINGS_SETTINGS_HANDLER_OPTIONS_HANDLER_H_
 
 #include <string>
 
 #include "base/macros.h"
 #include "chrome/browser/custom_handlers/protocol_handler_registry.h"
-#include "chrome/browser/ui/webui/options/options_ui.h"
+#include "chrome/browser/ui/webui/settings/settings_page_ui_handler.h"
 #include "chrome/common/custom_handlers/protocol_handler.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 
 ////////////////////////////////////////////////////////////////////////////////
 // HandlerOptionsHandler
 
 // Listen for changes to protocol handlers (i.e. registerProtocolHandler()).
 // This get triggered whenever a user allows a specific website or application
 // to handle clicks on a link with a specified protocol (i.e. mailto: -> Gmail).
 
 namespace base {
 class DictionaryValue;
 }
 
-namespace options {
+namespace settings {
 
-class HandlerOptionsHandler : public OptionsPageUIHandler,
+class HandlerOptionsHandler : public SettingsPageUIHandler,
                               public content::NotificationObserver {
  public:
   HandlerOptionsHandler();
   ~HandlerOptionsHandler() override;
 
-  // OptionsPageUIHandler implementation.
-  void GetLocalizedValues(base::DictionaryValue* localized_strings) override;
-  void InitializeHandler() override;
-  void InitializePage() override;
+  // SettingsPageUIHandler:
+  void OnJavascriptAllowed() override;
+  void OnJavascriptDisallowed() override;
   void RegisterMessages() override;
 
-  // content::NotificationObserver implementation.
+  // content::NotificationObserver:
   void Observe(int type,
                const content::NotificationSource& source,
                const content::NotificationDetails& details) override;
 
  private:
+  // Called to fetch the initial list of data to show.
+  void InitializeProtocolHandlerList(const base::ListValue* args);
+
+  // Notifies the JS side whether the handlers are enabled or not.
+  void SendHandlersEnabledValue();
+
   // Called when the user toggles whether custom handlers are enabled.
   void SetHandlersEnabled(const base::ListValue* args);
 
   // Called when the user sets a new default handler for a protocol.
   void SetDefault(const base::ListValue* args);
 
   // Called when the user clears the default handler for a protocol.
   // |args| is the string name of the protocol to clear.
   void ClearDefault(const base::ListValue* args);
 
@@ skipping 20 matching lines @@
   // |args| is a list of [protocol, url, title].
   void RemoveIgnoredHandler(const base::ListValue* args);
 
   ProtocolHandlerRegistry* GetProtocolHandlerRegistry();
 
   content::NotificationRegistrar notification_registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(HandlerOptionsHandler);
 };
 
-}  // namespace options
+}  // namespace settings
 
-#endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS_HANDLER_OPTIONS_HANDLER_H_
+#endif  // CHROME_BROWSER_UI_WEBUI_SETTINGS_SETTINGS_HANDLER_OPTIONS_HANDLER_H_