[EasyUnlock] Introduce EasyUnlockNotificationController

chrome/browser/signin/easy_unlock_notification_controller_chromeos.cc

+// 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/signin/easy_unlock_notification_controller_chromeos.h"
+
+#include "ash/system/devicetype_utils.h"
+#include "base/guid.h"
+#include "base/memory/ptr_util.h"
+#include "base/strings/utf_string_conversions.h"
+#include "chrome/browser/ui/chrome_pages.h"
+#include "chrome/grit/generated_resources.h"
+#include "chrome/grit/theme_resources.h"
+#include "components/proximity_auth/screenlock_bridge.h"
+#include "ui/base/l10n/l10n_util.h"
+#include "ui/base/resource/resource_bundle.h"
+#include "ui/message_center/message_center_types.h"
+#include "ui/message_center/notification_types.h"
+
+namespace {
+
+const char kEasyUnlockChromebookAddedNotifierId[] =
+    "easyunlock_notification_ids.chromebook_added";
+
+const char kEasyUnlockPairingChangeNotifierId[] =
+    "easyunlock_notification_ids.pairing_change";
+
+const char kEasyUnlockPairingChangeAppliedNotifierId[] =
+    "easyunlock_notification_ids.pairing_change_applied";
+
+const char kLockScreenSettingsSubpage[] = "lockScreen";
+
+std::unique_ptr<message_center::Notification> CreateNotification(
+    const std::string& id,
+    const base::string16& title,
+    const base::string16& message,
+    const gfx::Image& icon,
+    const message_center::RichNotificationData rich_notification_data) {

[Peter Beverloo, 2017/07/07 18:36:58]

nit: const& (saves the unnecessary copy)

[Tim Song, 2017/07/07 19:54:04]

Done.

+  return base::MakeUnique<message_center::Notification>(
+      message_center::NotificationType::NOTIFICATION_TYPE_SIMPLE, id, title,
+      message, icon, base::string16() /* display_source */,
+      GURL() /* origin_url */,
+      message_center::NotifierId(
+          message_center::NotifierId::NotifierType::SYSTEM_COMPONENT, id),
+      rich_notification_data, nullptr);
+}
+
+}  // namespace
+
+EasyUnlockNotificationControllerChromeOS::
+    EasyUnlockNotificationControllerChromeOS(
+        Profile* profile,
+        message_center::MessageCenter* message_center)
+    : profile_(profile), message_center_(message_center) {
+  message_center_->AddObserver(this);

[Peter Beverloo, 2017/07/07 18:36:58]

Please provide a delegate to the Notification object as opposed to observing the
MC.

[Tim Song, 2017/07/07 19:54:04]

Done.

+}
+
+EasyUnlockNotificationControllerChromeOS::
+    ~EasyUnlockNotificationControllerChromeOS() {
+  message_center_->RemoveObserver(this);
+}
+
+void EasyUnlockNotificationControllerChromeOS::
+    ShowChromebookAddedNotification() {
+  message_center::RichNotificationData rich_notification_data;
+  rich_notification_data.buttons.push_back(
+      message_center::ButtonInfo(l10n_util::GetStringUTF16(
+          IDS_EASY_UNLOCK_CHROMEBOOK_ADDED_NOTIFICATION_ABOUT_BUTTON)));
+
+  ShowNotification(CreateNotification(
+      kEasyUnlockChromebookAddedNotifierId,
+      l10n_util::GetStringUTF16(
+          IDS_EASY_UNLOCK_CHROMEBOOK_ADDED_NOTIFICATION_TITLE),
+      l10n_util::GetStringFUTF16(
+          IDS_EASY_UNLOCK_CHROMEBOOK_ADDED_NOTIFICATION_MESSAGE,
+          ash::GetChromeOSDeviceName()),
+      ui::ResourceBundle::GetSharedInstance().GetImageNamed(
+          IDR_NOTIFICATION_EASYUNLOCK_ENABLED),
+      rich_notification_data));
+}
+
+void EasyUnlockNotificationControllerChromeOS::ShowPairingChangeNotification() {
+  message_center::RichNotificationData rich_notification_data;
+  rich_notification_data.buttons.push_back(
+      message_center::ButtonInfo(l10n_util::GetStringUTF16(
+          IDS_EASY_UNLOCK_PAIRING_CHANGED_NOTIFICATION_UPDATE_BUTTON)));
+  rich_notification_data.buttons.push_back(
+      message_center::ButtonInfo(l10n_util::GetStringUTF16(
+          IDS_EASY_UNLOCK_CHROMEBOOK_ADDED_NOTIFICATION_ABOUT_BUTTON)));
+
+  ShowNotification(CreateNotification(
+      kEasyUnlockPairingChangeNotifierId,
+      l10n_util::GetStringUTF16(
+          IDS_EASY_UNLOCK_PAIRING_CHANGED_NOTIFICATION_TITLE),
+      l10n_util::GetStringFUTF16(
+          IDS_EASY_UNLOCK_PAIRING_CHANGED_NOTIFICATION_MESSAGE,
+          ash::GetChromeOSDeviceName()),
+      ui::ResourceBundle::GetSharedInstance().GetImageNamed(
+          IDR_NOTIFICATION_EASYUNLOCK_ENABLED),
+      rich_notification_data));
+}
+
+void EasyUnlockNotificationControllerChromeOS::
+    ShowPairingChangeAppliedNotification(const std::string& phone_name) {
+  // Remove the pairing change notification if it is still being shown.
+  message_center_->RemoveNotification(kEasyUnlockPairingChangeNotifierId,
+                                      false /* by_user */);
+
+  message_center::RichNotificationData rich_notification_data;
+  rich_notification_data.buttons.push_back(
+      message_center::ButtonInfo(l10n_util::GetStringUTF16(
+          IDS_EASY_UNLOCK_CHROMEBOOK_ADDED_NOTIFICATION_ABOUT_BUTTON)));
+
+  ShowNotification(CreateNotification(
+      kEasyUnlockPairingChangeAppliedNotifierId,
+      l10n_util::GetStringUTF16(
+          IDS_EASY_UNLOCK_PAIRING_CHANGE_APPLIED_NOTIFICATION_TITLE),
+      l10n_util::GetStringFUTF16(
+          IDS_EASY_UNLOCK_PAIRING_CHANGE_APPLIED_NOTIFICATION_MESSAGE,
+          base::UTF8ToUTF16(phone_name), ash::GetChromeOSDeviceName()),
+      ui::ResourceBundle::GetSharedInstance().GetImageNamed(
+          IDR_NOTIFICATION_EASYUNLOCK_ENABLED),
+      rich_notification_data));
+}
+
+void EasyUnlockNotificationControllerChromeOS::ShowNotification(
+    std::unique_ptr<message_center::Notification> notification) {
+  notification->SetSystemPriority();
+  std::string notification_id = notification->id();
+  if (message_center_->FindVisibleNotificationById(notification_id)) {
+    message_center_->UpdateNotification(notification_id,
+                                        std::move(notification));
+  } else {
+    message_center_->AddNotification(std::move(notification));
+  }
+}
+
+void EasyUnlockNotificationControllerChromeOS::OnNotificationClicked(
+    const std::string& notification_id) {
+  if (notification_id == kEasyUnlockChromebookAddedNotifierId ||
+      notification_id == kEasyUnlockPairingChangeAppliedNotifierId)
+    LaunchEasyUnlockSettings();
+}
+
+void EasyUnlockNotificationControllerChromeOS::OnNotificationButtonClicked(
+    const std::string& notification_id,
+    int button_index) {
+  if (notification_id == kEasyUnlockChromebookAddedNotifierId ||
+      notification_id == kEasyUnlockPairingChangeAppliedNotifierId) {
+    LaunchEasyUnlockSettings();
+  } else if (notification_id == kEasyUnlockPairingChangeNotifierId) {
+    if (button_index == 0) {
+      LockScreen();
+    } else if (button_index == 1) {
+      LaunchEasyUnlockSettings();
+    }
+  }
+}
+
+void EasyUnlockNotificationControllerChromeOS::LaunchEasyUnlockSettings() {
+  chrome::ShowSettingsSubPageForProfile(profile_, kLockScreenSettingsSubpage);
+}
+
+void EasyUnlockNotificationControllerChromeOS::LockScreen() {
+  proximity_auth::ScreenlockBridge::Get()->Lock();
+}