arc: Notification for guiding the user to filesystem migration.

chrome/browser/chromeos/arc/arc_migration_guide_notification.cc

Index: chrome/browser/chromeos/arc/arc_migration_guide_notification.cc
diff --git a/chrome/browser/chromeos/arc/arc_migration_guide_notification.cc b/chrome/browser/chromeos/arc/arc_migration_guide_notification.cc
new file mode 100644
index 0000000000000000000000000000000000000000..9b38a0a0db68c8ec6c6ce23d2596514f3f94ce30
--- /dev/null
+++ b/chrome/browser/chromeos/arc/arc_migration_guide_notification.cc
@@ -0,0 +1,75 @@
+// 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.
+
+#include "chrome/browser/chromeos/arc/arc_migration_guide_notification.h"
+
+#include "base/macros.h"
+#include "base/memory/ptr_util.h"
+#include "chrome/browser/chromeos/arc/arc_util.h"
+#include "chrome/browser/lifetime/application_lifetime.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/ui/ash/multi_user/multi_user_util.h"
+#include "chrome/grit/generated_resources.h"
+#include "chrome/grit/theme_resources.h"
+#include "components/signin/core/account_id/account_id.h"
+#include "ui/base/l10n/l10n_util.h"
+#include "ui/base/resource/resource_bundle.h"
+#include "ui/message_center/message_center.h"
+#include "ui/message_center/notification.h"
+#include "ui/message_center/notification_delegate.h"
+
+namespace arc {
+
+namespace {
+
+constexpr char kNotifierId[] = "arc_fs_migration";
+constexpr char kNotificationId[] = "arc_fs_migration/migrate";
+
+class ArcMigrationGuideNotificationDelegate
+    : public message_center::NotificationDelegate {
+ public:
+  ArcMigrationGuideNotificationDelegate() {}

[hidehiko, 2017/04/10 14:14:09]

nit: Please s/{}/= default;/. Ditto for dtor.

[kinaba, 2017/04/10 14:31:00]

Done.

+
+  // message_center::NotificationDelegate
+  void ButtonClick(int button_index) override { chrome::AttemptUserExit(); }
+
+ private:
+  ~ArcMigrationGuideNotificationDelegate() override {}
+
+  DISALLOW_COPY_AND_ASSIGN(ArcMigrationGuideNotificationDelegate);
+};
+
+}  // namespace
+
+// static
+void ShowArcMigrationGuideNotification(Profile* profile) {
+  // Always remove the notification to make sure the notification appears
+  // as a popup in any situation.
+  message_center::MessageCenter::Get()->RemoveNotification(kNotificationId,
+                                                           false /* by_user */);
+
+  message_center::NotifierId notifier_id(
+      message_center::NotifierId::SYSTEM_COMPONENT, kNotifierId);
+  notifier_id.profile_id =
+      multi_user_util::GetAccountIdFromProfile(profile).GetUserEmail();
+
+  message_center::RichNotificationData data;
+  data.buttons.push_back(message_center::ButtonInfo(l10n_util::GetStringUTF16(
+      IDS_ARC_MIGRATE_ENCRYPTION_NOTIFICATION_RESTART_BUTTON)));
+  ui::ResourceBundle& resource_bundle = ui::ResourceBundle::GetSharedInstance();
+  message_center::MessageCenter::Get()->AddNotification(
+      base::MakeUnique<message_center::Notification>(
+          message_center::NOTIFICATION_TYPE_SIMPLE, kNotificationId,
+          l10n_util::GetStringUTF16(
+              IDS_ARC_MIGRATE_ENCRYPTION_NOTIFICATION_TITLE),
+          // TODO(kinaba): Change message for low-battery case.
+          l10n_util::GetStringUTF16(
+              IDS_ARC_MIGRATE_ENCRYPTION_NOTIFICATION_MESSAGE),
+          // TODO(kinaba): Replace the icon with the final design.
+          resource_bundle.GetImageNamed(IDR_ARC_PLAY_STORE_NOTIFICATION),
+          base::string16(), GURL(), notifier_id, data,
+          new ArcMigrationGuideNotificationDelegate()));
+}
+
+}  // namespace arc