1// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5#ifndef CHROME_BROWSER_BROWSER_SHUTDOWN_H__ 6#define CHROME_BROWSER_BROWSER_SHUTDOWN_H__ 7#pragma once 8 9class PrefService; 10 11namespace browser_shutdown { 12 13// Should Shutdown() delete the ResourceBundle? This is normally true, but set 14// to false for in process unit tests. 15extern bool delete_resources_on_shutdown; 16 17enum ShutdownType { 18 // an uninitialized value 19 NOT_VALID = 0, 20 // the last browser window was closed 21 WINDOW_CLOSE, 22 // user clicked on the Exit menu item 23 BROWSER_EXIT, 24 // windows is logging off or shutting down 25 END_SESSION 26}; 27 28void RegisterPrefs(PrefService* local_state); 29 30// Called when the browser starts shutting down so that we can measure shutdown 31// time. 32void OnShutdownStarting(ShutdownType type); 33 34// Get the current shutdown type. 35ShutdownType GetShutdownType(); 36 37// Invoked in two ways: 38// . When the last browser has been deleted and the message loop has finished 39// running. 40// . When ChromeFrame::EndSession is invoked and we need to do cleanup. 41// NOTE: in this case the message loop is still running, but will die soon 42// after this returns. 43void Shutdown(); 44 45// Called at startup to create a histogram from our previous shutdown time. 46void ReadLastShutdownInfo(); 47 48// There are various situations where the browser process should continue to 49// run after the last browser window has closed - the Mac always continues 50// running until the user explicitly quits, and on Windows/Linux the application 51// should not shutdown when the last browser window closes if there are any 52// BackgroundContents running. 53// When the user explicitly chooses to shutdown the app (via the "Exit" or 54// "Quit" menu items) BrowserList will call SetTryingToQuit() to tell itself to 55// initiate a shutdown when the last window closes. 56// If the quit is aborted, then the flag should be reset. 57 58// This is a low-level mutator; in general, don't call SetTryingToQuit(true), 59// except from appropriate places in BrowserList. To quit, use usual means, 60// e.g., using |chrome_browser_application_mac::Terminate()| on the Mac, or 61// |BrowserList::CloseAllWindowsAndExit()| on other platforms. To stop quitting, 62// use |chrome_browser_application_mac::CancelTerminate()| on the Mac; other 63// platforms can call SetTryingToQuit(false) directly. 64void SetTryingToQuit(bool quitting); 65 66// General accessor. 67bool IsTryingToQuit(); 68 69// This is true on X during an END_SESSION, when we can no longer depend 70// on the X server to be running. As a result we don't explicitly close the 71// browser windows, which can lead to conditions which would fail checks. 72bool ShuttingDownWithoutClosingBrowsers(); 73 74} // namespace browser_shutdown 75 76#endif // CHROME_BROWSER_BROWSER_SHUTDOWN_H__ 77