chromium/content/browser/closewatcher/close_listener_manager.h

// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_BROWSER_CLOSEWATCHER_CLOSE_LISTENER_MANAGER_H_
#define CONTENT_BROWSER_CLOSEWATCHER_CLOSE_LISTENER_MANAGER_H_

#include "content/common/content_export.h"
#include "content/public/browser/web_contents_user_data.h"

namespace content {
class CloseListenerHost;

// CloseListenerManager tracks whether its WebContents' focused frame has an
// active CloseWatcher. Updates when a CloseWatcher is added/remove and when
// the focused frame changes. Notifies WebContentsDelegate when the overall
// state changes. This is necessary for embedders (i.e., android) that need to
// know ahead of time whether there is a CloseWatcher that should intercept and
// consume a back gesture.
class CONTENT_EXPORT CloseListenerManager
    : public WebContentsUserData<CloseListenerManager> { … };

}  // namespace content

#endif  // CONTENT_BROWSER_CLOSEWATCHER_CLOSE_LISTENER_MANAGER_H_