chrome/browser/ui/views/sync/one_click_signin_dialog_view.h

// Copyright (c) 2012 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_SYNC_ONE_CLICK_SIGNIN_DIALOG_VIEW_H_
#define CHROME_BROWSER_UI_VIEWS_SYNC_ONE_CLICK_SIGNIN_DIALOG_VIEW_H_

#include <memory>

#include "base/callback.h"
#include "base/compiler_specific.h"
#include "base/gtest_prod_util.h"
#include "base/macros.h"
#include "base/strings/string16.h"
#include "chrome/browser/ui/browser_window.h"
#include "chrome/browser/ui/sync/one_click_signin_links_delegate.h"
#include "ui/views/controls/button/button.h"
#include "ui/views/controls/link_listener.h"
#include "ui/views/window/dialog_delegate.h"

namespace views {
class View;
}

// This class allows users to confirm sync signin in cases where signin is
// untrusted.
class OneClickSigninDialogView : public views::DialogDelegateView,
                                 public views::LinkListener {
 public:
  // Show the one-click signin dialog if not already showing. |start_sync| is
  // called to start sync.
  static void ShowDialog(const base::string16& email,
                         std::unique_ptr<OneClickSigninLinksDelegate> delegate,
                         gfx::NativeWindow window,
                         const BrowserWindow::StartSyncCallback& start_sync);

  static bool IsShowing();

  static void Hide();

  // Gets the global dialog view.  If its not showing returns NULL.  This
  // method is meant to be called only from tests.
  static OneClickSigninDialogView* view_for_testing() { return dialog_view_; }

 protected:
  // Creates a OneClickSigninDialogView.
  OneClickSigninDialogView(
      const base::string16& email,
      std::unique_ptr<OneClickSigninLinksDelegate> delegate,
      const BrowserWindow::StartSyncCallback& start_sync_callback);

  ~OneClickSigninDialogView() override;

 private:
  friend class OneClickSigninDialogViewTest;

  FRIEND_TEST_ALL_PREFIXES(OneClickSigninDialogViewTest, AdvancedLink);
  FRIEND_TEST_ALL_PREFIXES(OneClickSigninDialogViewTest, LearnMoreLink);

  void Init();

  // Overridden from views::DialogDelegateView:
  base::string16 GetWindowTitle() const override;
  ui::ModalType GetModalType() const override;
  void WindowClosing() override;
  views::View* CreateExtraView() override;
  base::string16 GetDialogButtonLabel(ui::DialogButton button) const override;
  bool Accept() override;

  // Overridden from views::LinkListener:
  void LinkClicked(views::Link* source, int event_flags) override;

  // Delegate to handle clicking on links in the bubble.
  std::unique_ptr<OneClickSigninLinksDelegate> delegate_;

  // The user's email address to be used for sync.
  const base::string16 email_;

  // This callback is nulled once its called, so that it is called only once.
  // It will be called when the bubble is closed if it has not been called
  // and nulled earlier.
  BrowserWindow::StartSyncCallback start_sync_callback_;

  // Link to sync setup advanced page.
  views::Link* advanced_link_;

  // Link to the Learn More details page
  views::Link* learn_more_link_;

  // The bubble, if we're showing one.
  static OneClickSigninDialogView* dialog_view_;

  DISALLOW_COPY_AND_ASSIGN(OneClickSigninDialogView);
};

#endif  // CHROME_BROWSER_UI_VIEWS_SYNC_ONE_CLICK_SIGNIN_DIALOG_VIEW_H_