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// 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_SETTINGS_ON_STARTUP_HANDLER_H_
#define CHROME_BROWSER_UI_WEBUI_SETTINGS_ON_STARTUP_HANDLER_H_
#include <memory>
#include "base/macros.h"
#include "base/scoped_observer.h"
#include "chrome/browser/ui/webui/settings/settings_page_ui_handler.h"
#include "extensions/browser/extension_registry.h"
#include "extensions/browser/extension_registry_observer.h"
class Profile;
namespace base {
class ListValue;
}
namespace settings {
class OnStartupHandler : public SettingsPageUIHandler,
public extensions::ExtensionRegistryObserver {
public:
static const char kOnStartupNtpExtensionEventName[];
explicit OnStartupHandler(Profile* profile);
~OnStartupHandler() override;
// SettingsPageUIHandler:
void OnJavascriptAllowed() override;
void OnJavascriptDisallowed() override;
void RegisterMessages() override;
private:
FRIEND_TEST_ALL_PREFIXES(OnStartupHandlerTest, HandleGetNtpExtension);
FRIEND_TEST_ALL_PREFIXES(OnStartupHandlerTest,
HandleValidateStartupPage_Valid);
FRIEND_TEST_ALL_PREFIXES(OnStartupHandlerTest,
HandleValidateStartupPage_Invalid);
// Info for extension controlling the NTP or empty value.
std::unique_ptr<base::Value> GetNtpExtension();
// Handler for the "getNtpExtension" message. No arguments.
void HandleGetNtpExtension(const base::ListValue* /*args*/);
// Handles the "validateStartupPage" message. Passed a URL that might be a
// valid startup page.
void HandleValidateStartupPage(const base::ListValue* args);
// extensions::ExtensionRegistryObserver.
void OnExtensionUnloaded(content::BrowserContext* browser_context,
const extensions::Extension* extension,
extensions::UnloadedExtensionReason reason) override;
void OnExtensionReady(content::BrowserContext* browser_context,
const extensions::Extension* extension) override;
// Listen to extension unloaded notifications.
ScopedObserver<extensions::ExtensionRegistry,
extensions::ExtensionRegistryObserver>
extension_registry_observer_;
Profile* profile_;
DISALLOW_COPY_AND_ASSIGN(OnStartupHandler);
};
} // namespace settings
#endif // CHROME_BROWSER_UI_WEBUI_SETTINGS_ON_STARTUP_HANDLER_H_
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