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browser_shutdown.h

// Copyright (c) 2006-2008 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_BROWSER_SHUTDOWN_H__
#define CHROME_BROWSER_BROWSER_SHUTDOWN_H__

class PrefService;

namespace browser_shutdown {

// Should Shutdown() delete the ResourceBundle? This is normally true, but set
// to false for in process unit tests.
extern bool delete_resources_on_shutdown;

enum ShutdownType {
  // an uninitialized value
  NOT_VALID = 0,
  // the last browser window was closed
  WINDOW_CLOSE,
  // user clicked on the Exit menu item
  BROWSER_EXIT,
  // windows is logging off or shutting down
  END_SESSION
};

void RegisterPrefs(PrefService* local_state);

// Called when the browser starts shutting down so that we can measure shutdown
// time.
void OnShutdownStarting(ShutdownType type);

// Get the current shutdown type.
ShutdownType GetShutdownType();

// Invoked in two ways:
// . When the last browser has been deleted and the message loop has finished
//   running.
// . When ChromeFrame::EndSession is invoked and we need to do cleanup.
//   NOTE: in this case the message loop is still running, but will die soon
//         after this returns.
void Shutdown();

// Called at startup to create a histogram from our previous shutdown time.
void ReadLastShutdownInfo();

#if defined(OS_MACOSX)
// On Mac, closing the last window does not automatically quit the application.
// To actually quit, set a flag which makes final window closure trigger a quit.
// If the quit is aborted, then the flag should be reset (but see notes below on
// the proper way to do this, i.e., usually not using |SetTryingToQuit()|).

// This is a low-level mutator; in general, don't call it, except from
// appropriate places in the app controller. To quit, use usual means, e.g.,
// using |chrome_browser_application_mac::Terminate()|. To stop quitting, use
// |chrome_browser_application_mac::CancelTerminate()|.
void SetTryingToQuit(bool quitting);

// General accessor.
bool IsTryingToQuit();
#endif  // OS_MACOSX

}  // namespace browser_shutdown

#endif  // CHROME_BROWSER_BROWSER_SHUTDOWN_H__

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