chrome/browser/lifetime/browser_close_manager.h

   1 // Copyright 2013 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_LIFETIME_BROWSER_CLOSE_MANAGER_H_
   6 #define CHROME_BROWSER_LIFETIME_BROWSER_CLOSE_MANAGER_H_
   7
   8 #include "base/callback_forward.h"
   9 #include "base/memory/ref_counted.h"
  10
  11 class Browser;
  12
  13 // Manages confirming that browser windows are closeable and closing them at
  14 // shutdown.
  15 class BrowserCloseManager : public base::RefCounted<BrowserCloseManager> {
  16  public:
  17   BrowserCloseManager();
  18
  19   // Starts closing all browser windows.
  20   void StartClosingBrowsers();
  21
  22  protected:
  23   friend class base::RefCounted<BrowserCloseManager>;
  24
  25   virtual ~BrowserCloseManager();
  26
  27   virtual void ConfirmCloseWithPendingDownloads(
  28       int download_count,
  29       const base::Callback<void(bool)>& callback);
  30
  31  private:
  32   // Notifies all browser windows that the close is cancelled.
  33   void CancelBrowserClose();
  34
  35   // Checks whether all browser windows are ready to close and closes them if
  36   // they are.
  37   void TryToCloseBrowsers();
  38
  39   // Called to report whether a beforeunload dialog was accepted.
  40   void OnBrowserReportCloseable(bool proceed);
  41
  42   // Closes all browser windows.
  43   void CloseBrowsers();
  44
  45   // Checks whether there are any downloads in-progress and prompts the user to
  46   // cancel them. If there are no downloads or the user accepts the cancel
  47   // downloads dialog, CloseBrowsers is called to continue with the shutdown.
  48   // Otherwise, if the user declines to cancel downloads, the shutdown is
  49   // aborted and the downloads page is shown for each profile with in-progress
  50   // downloads.
  51   void CheckForDownloadsInProgress();
  52
  53   // Called to report whether downloads may be cancelled during shutdown.
  54   void OnReportDownloadsCancellable(bool proceed);
  55
  56   // The browser for which we are waiting for a callback to
  57   // OnBrowserReportCloseable.
  58   Browser* current_browser_;
  59
  60   DISALLOW_COPY_AND_ASSIGN(BrowserCloseManager);
  61 };
  62
  63 #endif  // CHROME_BROWSER_LIFETIME_BROWSER_CLOSE_MANAGER_H_