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 9 class PrefService; 10 11 namespace browser_shutdown { 12 13 // Should Shutdown() delete the ResourceBundle? This is normally true, but set 14 // to false for in process unit tests. 15 extern bool delete_resources_on_shutdown; 16 17 enum 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 28 void RegisterPrefs(PrefService* local_state); 29 30 // Called when the browser starts shutting down so that we can measure shutdown 31 // time. 32 void OnShutdownStarting(ShutdownType type); 33 34 // Get the current shutdown type. 35 ShutdownType 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. 43 void Shutdown(); 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 // 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. 72 bool ShuttingDownWithoutClosingBrowsers(); 73 74 } // namespace browser_shutdown 75 76 #endif // CHROME_BROWSER_BROWSER_SHUTDOWN_H__ 77
