chrome/browser/ui/blocked_content/popunder_preventer.h

// Copyright 2014 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_BLOCKED_CONTENT_POPUNDER_PREVENTER_H_
#define CHROME_BROWSER_UI_BLOCKED_CONTENT_POPUNDER_PREVENTER_H_

#include "base/macros.h"
#include "content/public/browser/web_contents_observer.h"

// An object to block creation of pop-unders.
//
// This must be used whenever a window is activated. To use it, simply
// create an instance of PopunderPreventer *before* a WebContents is activated,
// and pass to the constructor the WebContents that is about to be activated.
class PopunderPreventer : public content::WebContentsObserver {
 public:
  explicit PopunderPreventer(content::WebContents* activating_contents);
  ~PopunderPreventer() override;

 private:
  // Overridden from WebContentsObserver:
  void WebContentsDestroyed() override;

  content::WebContents* popup_;

  DISALLOW_COPY_AND_ASSIGN(PopunderPreventer);
};

#endif  // CHROME_BROWSER_UI_BLOCKED_CONTENT_POPUNDER_PREVENTER_H_