client_manager.h

// Copyright (c) 2017 The Chromium Embedded Framework 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 CEF_EXAMPLES_SHARED_CLIENT_MANAGER_H_
#define CEF_EXAMPLES_SHARED_CLIENT_MANAGER_H_

#include <list>

#include "include/base/cef_thread_checker.h"
#include "include/cef_browser.h"

namespace shared {

// Manages multiple CefBrowser instances. All methods must be called on the
// main application thread (browser process UI thread).
class ClientManager {
 public:
  ClientManager();
  ~ClientManager();

  // Returns the singleton instance of this object.
  static ClientManager* GetInstance();

  // Called from CefLifeSpanHandler methods:
  void OnAfterCreated(CefRefPtr<CefBrowser> browser);
  void DoClose(CefRefPtr<CefBrowser> browser);
  void OnBeforeClose(CefRefPtr<CefBrowser> browser);

  // Request that all existing browser windows close.
  void CloseAllBrowsers(bool force_close);

  // Returns true if the last browser instance is closing.
  bool IsClosing() const;

 private:
  base::ThreadChecker thread_checker_;

  bool is_closing_;

  // List of existing browsers.
  typedef std::list<CefRefPtr<CefBrowser>> BrowserList;
  BrowserList browser_list_;
};

}  // namespace shared

#endif  // CEF_EXAMPLES_SHARED_CLIENT_MANAGER_H_