If force-sign-in policy is enabled, popup warning dialog before window closing if auth token becom…

chrome/browser/ui/views/profiles/forced_reauthentication_dialog.h

+// Copyright 2017 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_UI_VIEWS_PROFILES_FORCED_REAUTHENTICATION_DIALOG_H_
+#define CHROME_BROWSER_UI_VIEWS_PROFILES_FORCED_REAUTHENTICATION_DIALOG_H_
+
+#include <memory>
+#include <string>
+
+#include "base/callback.h"
+#include "base/macros.h"
+#include "base/timer/timer.h"
+#include "ui/views/controls/button/button.h"
+#include "ui/views/window/dialog_delegate.h"
+
+class Browser;
+class Profile;
+class SigninManager;
+
+// A modal dialog that displays a warning message of the auth failure
+// and ask user to sign in again.
+class ForcedReauthenticationDialog : public views::DialogDelegateView {
+ public:
+  ~ForcedReauthenticationDialog() override;
+
+  // Shows a warning dialog for |profile|. If there are no Browser windows
+  // associated with |profile|, signs out the profile immediately, otherwise the
+  // user can clicks accept to sign in again. Dialog will be closed after
+  // |countdown_duration| seconds.
+  // Dialog will delete itself after closing.
+  static ForcedReauthenticationDialog* ShowDialog(Profile* profile,
+                                                  SigninManager* signin_manager,
+                                                  int countdown_duration);

[sky, 2017/06/07 20:37:59]

Use TimeDelta, it's less ambiguous as to what the units are.

[zmin, 2017/06/07 20:56:49]

Done.

+
+  // override views::DialogDelegateView
+  bool Accept() override;
+  bool Cancel() override;
+  void WindowClosing() override;
+  base::string16 GetWindowTitle() const override;
+  base::string16 GetDialogButtonLabel(ui::DialogButton button) const override;
+  ui::ModalType GetModalType() const override;
+
+  // override views::View
+  void AddedToWidget() override;
+
+ private:
+  // Show the dialog for |browser|. The dialog will delete itself after closing.
+  ForcedReauthenticationDialog(Browser* browser,
+                               SigninManager* signin_manager,
+                               int countdown_duration);
+
+  void OnCountDown();
+  base::TimeDelta GetTimeRemaining() const;
+
+  Browser* browser_;
+  SigninManager* signin_manager_;
+
+  base::TimeTicks desired_close_time_;
+
+  // The timer which is used to refresh the dialog title to display the
+  // remaining time.
+  base::RepeatingTimer refresh_timer_;
+
+  DISALLOW_COPY_AND_ASSIGN(ForcedReauthenticationDialog);
+};
+
+#endif  // CHROME_BROWSER_UI_VIEWS_PROFILES_FORCED_REAUTHENTICATION_DIALOG_H_