[EasyUnlock] Introduce EasyUnlockNotificationController

chrome/browser/signin/easy_unlock_notification_controller_chromeos.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_SIGNIN_EASY_UNLOCK_NOTIFICATION_CONTROLLER_CHROMEOS_H_
+#define CHROME_BROWSER_SIGNIN_EASY_UNLOCK_NOTIFICATION_CONTROLLER_CHROMEOS_H_
+
+#include <memory>
+#include <string>
+
+#include "base/callback.h"
+#include "base/macros.h"
+#include "base/memory/weak_ptr.h"
+#include "chrome/browser/signin/easy_unlock_notification_controller.h"
+#include "ui/message_center/message_center.h"
+#include "ui/message_center/notification.h"
+#include "ui/message_center/notification_delegate.h"
+
+class Profile;
+
+// Implementation of EasyUnlockNotificationController for ChromeOS.
+class EasyUnlockNotificationControllerChromeOS
+    : public EasyUnlockNotificationController {
+ public:
+  EasyUnlockNotificationControllerChromeOS(
+      Profile* profile,
+      message_center::MessageCenter* message_center);
+  ~EasyUnlockNotificationControllerChromeOS() override;
+
+  // EasyUnlockNotificationController:
+  void ShowChromebookAddedNotification() override;
+  void ShowPairingChangeNotification() override;
+  void ShowPairingChangeAppliedNotification(
+      const std::string& phone_name) override;
+
+ protected:
+  // Exposed for testing
+  virtual void LaunchEasyUnlockSettings();
+  virtual void LockScreen();
+
+ private:
+  // NotificationDelegate implementation for handling click events.
+  class NotificationDelegate : public message_center::NotificationDelegate {
+   public:
+    NotificationDelegate(
+        const std::string& notification_id,
+        const base::WeakPtr<EasyUnlockNotificationControllerChromeOS>&
+            notification_controller);
+
+    // message_center::NotificationDelegate:
+    void Click() override;
+    void ButtonClick(int button_index) override;
+
+   private:
+    ~NotificationDelegate() override;
+
+    std::string notification_id_;
+    base::WeakPtr<EasyUnlockNotificationControllerChromeOS>
+        notification_controller_;
+
+    DISALLOW_COPY_AND_ASSIGN(NotificationDelegate);
+  };
+
+  // Displays the notification to the user.
+  void ShowNotification(
+      std::unique_ptr<message_center::Notification> notification);
+
+  Profile* profile_;
+
+  message_center::MessageCenter* message_center_;
+
+  base::WeakPtrFactory<EasyUnlockNotificationControllerChromeOS>
+      weak_ptr_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(EasyUnlockNotificationControllerChromeOS);
+};
+
+#endif  // CHROME_BROWSER_SIGNIN_EASY_UNLOCK_NOTIFICATION_CONTROLLER_CHROMEOS_H_