1 // Copyright (c) 2012 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 8 class PrefRegistrySimple; 9 10 namespace browser_shutdown { 11 12 enum ShutdownType { 13 // an uninitialized value 14 NOT_VALID = 0, 15 // the last browser window was closed 16 WINDOW_CLOSE, 17 // user clicked on the Exit menu item 18 BROWSER_EXIT, 19 // windows is logging off or shutting down 20 END_SESSION 21 }; 22 23 void RegisterPrefs(PrefRegistrySimple* registry); 24 25 // Called when the browser starts shutting down so that we can measure shutdown 26 // time. 27 void OnShutdownStarting(ShutdownType type); 28 29 // Get the current shutdown type. 30 ShutdownType GetShutdownType(); 31 32 // Performs the shutdown tasks that need to be done before 33 // BrowserProcess and the various threads go away. 34 // 35 // Returns true if the session should be restarted. 36 bool ShutdownPreThreadsStop(); 37 38 // Performs the remaining shutdown tasks after all threads but the 39 // main thread have been stopped. This includes deleting g_browser_process. 40 // 41 // The provided parameter indicates whether a preference to restart 42 // the session was present. 43 void ShutdownPostThreadsStop(bool restart_last_session); 44 45 // Called at startup to create a histogram from our previous shutdown time. 46 void 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. 64 void SetTryingToQuit(bool quitting); 65 66 // General accessor. 67 bool IsTryingToQuit(); 68 69 } // namespace browser_shutdown 70 71 #endif // CHROME_BROWSER_BROWSER_SHUTDOWN_H__ 72
