Handler settings page.

chrome/browser/ui/webui/options/handler_options_handler.h

+// Copyright (c) 2011 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_
+
+#include <string>
+
+#include "chrome/browser/custom_handlers/protocol_handler.h"
+#include "chrome/browser/custom_handlers/protocol_handler_registry.h"
+#include "chrome/browser/ui/webui/options/options_ui.h"
+#include "content/common/notification_registrar.h"
+
+class DictionaryValue;
+
+class HandlerOptionsHandler : public OptionsPageUIHandler {
+ public:
+  HandlerOptionsHandler();
+  virtual ~HandlerOptionsHandler();
+
+  // OptionsPageUIHandler implementation.
+  virtual void GetLocalizedValues(DictionaryValue* localized_strings);
+  virtual void Initialize();
+  virtual void RegisterMessages();
+
+  // NotificationObserver implementation.
+  virtual void Observe(NotificationType type,
+                       const NotificationSource& source,
+                       const NotificationDetails& details);
+
+ private:
+  // Called when the user toggles whether custom handlers are enabled.
+  void SetHandlersEnabled(const ListValue* args);
+
+  // Called when the user sets a new default handler for a protocol.
+  void SetDefault(const ListValue* args);
+
+  // Parses a ProtocolHandler out of the arguments passed back from the view.
+  // |args| is a list of [protocol, url, title].
+  ProtocolHandler ParseHandlerFromArgs(const ListValue* args) const;
+
+  // Returns a JSON object describing the set of protocol handlers for the
+  // given protocol.
+  DictionaryValue* GetHandlersForProtocol(const std::string& protocol);
+
+  // Called when the JS PasswordManager object is initialized.
+  void UpdateHandlerList();
+
+  // Remove a handler.
+  // |args| is a list of [protocol, url, title].
+  void RemoveHandler(const ListValue* args);
+
+  ProtocolHandlerRegistry* GetProtocolHandlerRegistry();
+
+  NotificationRegistrar notification_registrar_;
+
+  DISALLOW_COPY_AND_ASSIGN(HandlerOptionsHandler);
+};
+
+#endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS_HANDLER_OPTIONS_HANDLER_H_