// Copyright 2026 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CHROME_BROWSER_UI_VIEWS_PERMISSIONS_PERMISSION_PROMPT_OBSERVER_H_
#define CHROME_BROWSER_UI_VIEWS_PERMISSIONS_PERMISSION_PROMPT_OBSERVER_H_

#include "base/observer_list.h"
#include "base/observer_list_types.h"
#include "content/public/browser/web_contents_user_data.h"
#include "ui/gfx/geometry/size.h"

class PermissionPromptObserver
    : public content::WebContentsUserData<PermissionPromptObserver> {
 public:
  class Observer : public base::CheckedObserver {
   public:
    // Called when a permission prompt is shown, hidden (via out of focus or
    // choosing an option), or resized. `prompt_size` represents the size bounds
    // (width/height) of the prompt bubble, which is only valid and non-empty if
    // `is_showing` is true.
    virtual void OnPermissionPromptChanged(bool is_showing,
                                           const gfx::Size& prompt_size) = 0;
  };

  ~PermissionPromptObserver() override;

  void AddObserver(Observer* observer);

  void RemoveObserver(Observer* observer);

  void NotifyPermissionPromptChanged(bool is_showing,
                                     const gfx::Size& prompt_size);

 private:
  friend class content::WebContentsUserData<PermissionPromptObserver>;
  explicit PermissionPromptObserver(content::WebContents* contents);

  base::ObserverList<Observer> observers_;

  WEB_CONTENTS_USER_DATA_KEY_DECL();
};

#endif  // CHROME_BROWSER_UI_VIEWS_PERMISSIONS_PERMISSION_PROMPT_OBSERVER_H_