Notification: Setup code structure for notification scheduler.

All the notification scheduler code lives in
chrome/browser/notifications/scheduler.


Bug: 930968
Change-Id: Idfe8fd3ba7b3e8f3e9b295b2f4e8d7b14ce5df9a
Reviewed-on: https://chromium-review.googlesource.com/c/1464456
Commit-Queue: Xing Liu <xingliu@chromium.org>
Reviewed-by: Jochen Eisinger <jochen@chromium.org>
Reviewed-by: David Trainor <dtrainor@chromium.org>
Cr-Commit-Position: refs/heads/master@{#632723}

chrome/browser/BUILD.gn

@@ -914,6 +914,10 @@ jumbo_split_static_library("browser") {
     "notifications/persistent_notification_handler.h",
     "notifications/platform_notification_service_impl.cc",
     "notifications/platform_notification_service_impl.h",
+    "notifications/scheduler/notification_data.cc",
+    "notifications/scheduler/notification_data.h",
+    "notifications/scheduler/schedule_params.cc",
+    "notifications/scheduler/schedule_params.h",
     "notifications/system_notification_helper.cc",
     "notifications/system_notification_helper.h",
     "ntp_snippets/bookmark_last_visit_updater.cc",

chrome/browser/notifications/scheduler/OWNERS

+dtrainor@chromium.org
+xingliu@chromium.org
\ No newline at end of file

chrome/browser/notifications/scheduler/notification_data.cc

+// Copyright 2019 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/notifications/scheduler/notification_data.h"
+
+#include "chrome/browser/notifications/scheduler/schedule_params.h"
+
+NotificationData::NotificationData(
+    Type type,
+    std::unique_ptr<message_center::Notification> notification,
+    std::unique_ptr<ScheduleParams> schedule_params)
+    : type_(type),
+      notification_(std::move(notification)),
+      schedule_params_(std::move(schedule_params)) {}
+
+NotificationData::~NotificationData() = default;

chrome/browser/notifications/scheduler/notification_data.h

+// Copyright 2019 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_NOTIFICATIONS_SCHEDULER_NOTIFICATION_DATA_H_
+#define CHROME_BROWSER_NOTIFICATIONS_SCHEDULER_NOTIFICATION_DATA_H_
+
+#include <memory>
+
+#include "base/macros.h"
+#include "ui/message_center/public/cpp/notification.h"
+
+struct ScheduleParams;
+
+// Struct used to schedule a notification.
+class NotificationData {
+ public:
+  enum class Type {
+    PLACE_HOLDER,
+  };
+
+  NotificationData(Type type,
+                   std::unique_ptr<message_center::Notification> notification,
+                   std::unique_ptr<ScheduleParams> schedule_params);
+  ~NotificationData();
+
+  Type type() const { return type_; }
+
+ private:
+  Type type_;
+
+  // Notification data that the client can optionally choose to use when showing
+  // a notification. Client should only use this when the data is dynamically
+  // generated, such as URL to navigate when the user clicks the notification.
+  std::unique_ptr<message_center::Notification> notification_;
+
+  std::unique_ptr<ScheduleParams> schedule_params_;
+
+  DISALLOW_COPY_AND_ASSIGN(NotificationData);
+};
+
+#endif  // CHROME_BROWSER_NOTIFICATIONS_SCHEDULER_NOTIFICATION_DATA_H_

chrome/browser/notifications/scheduler/schedule_params.cc

+// Copyright 2019 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/notifications/scheduler/schedule_params.h"
+
+ScheduleParams::ScheduleParams() = default;
+
+ScheduleParams::~ScheduleParams() = default;

chrome/browser/notifications/scheduler/schedule_params.h

+// Copyright 2019 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_NOTIFICATIONS_SCHEDULER_SCHEDULE_PARAMS_H_
+#define CHROME_BROWSER_NOTIFICATIONS_SCHEDULER_SCHEDULE_PARAMS_H_
+
+// Specifies when to show the scheduled notification, and throttling details.
+struct ScheduleParams {
+  enum class Priority {
+    // No notification throttling logic is applied, every notification scheduled
+    // will be delivered.
+    NO_THROTTLE,
+    // Notification may be delivered if picked by display decision layer. Has
+    // higher chance to pick as the next notification to deliver than low
+    // priority.
+    HIGH,
+    // Notification may be delivered if picked by display decision layer. Most
+    // notification types should use this priority.
+    LOW,
+  };
+
+  ScheduleParams();
+  ~ScheduleParams();
+
+  Priority priority;
+};
+
+#endif  // CHROME_BROWSER_NOTIFICATIONS_SCHEDULER_SCHEDULE_PARAMS_H_