// Copyright (c) 2012 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_INSTANT_UI_H_
#define CHROME_BROWSER_UI_WEBUI_INSTANT_UI_H_

#include "content/public/browser/web_ui_controller.h"

class PrefService;

namespace content {
class BrowserContext;
}

// Provides configuration options for Instant web search.
class InstantUI : public content::WebUIController {
 public:
  // Constructs an instance using |web_ui| for its data sources and message
  // handlers.
  explicit InstantUI(content::WebUI* web_ui);

  // Returns a scale factor to slow down Instant animations.
  static int GetSlowAnimationScaleFactor();

  // Returns true if search provider logo should be shown.
  static bool ShouldShowSearchProviderLogo(
      content::BrowserContext* browser_context);

  // Returns true if the user has enabled the white NTP checkbox.
  static bool ShouldShowWhiteNTP(content::BrowserContext* browser_context);

  static void RegisterUserPrefs(PrefService* user_prefs);

 private:
  DISALLOW_COPY_AND_ASSIGN(InstantUI);
};

#endif  // CHROME_BROWSER_UI_WEBUI_INSTANT_UI_H_