// 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_PLUGINS_FLASH_DOWNLOAD_INTERCEPTION_H_
#define CHROME_BROWSER_PLUGINS_FLASH_DOWNLOAD_INTERCEPTION_H_

#include <memory>

#include "base/macros.h"

namespace content {
class NavigationHandle;
class NavigationThrottle;
class WebContents;
}

class HostContentSettingsMap;
class GURL;

// This class creates navigation throttles that intercept navigations to Flash's
// download page. The user is queried about activating Flash instead, since
// Chrome already ships with it. Note that this is an UI thread class.
class FlashDownloadInterception {
 public:
  static void InterceptFlashDownloadNavigation(
      content::WebContents* web_contents,
      const GURL& source_url);
  static bool ShouldStopFlashDownloadAction(
      HostContentSettingsMap* host_content_settings_map,
      const GURL& source_url,
      const GURL& target_url,
      bool has_user_gesture);

  static std::unique_ptr<content::NavigationThrottle> MaybeCreateThrottleFor(
      content::NavigationHandle* handle);

 private:
  DISALLOW_IMPLICIT_CONSTRUCTORS(FlashDownloadInterception);
};

#endif  // CHROME_BROWSER_PLUGINS_FLASH_DOWNLOAD_INTERCEPTION_H_