Define a Mojo Notification structure in the Blink API

third_party/WebKit/public/platform/modules/notifications/notification.mojom

Index: third_party/WebKit/public/platform/modules/notifications/notification.mojom
diff --git a/third_party/WebKit/public/platform/modules/notifications/notification.mojom b/third_party/WebKit/public/platform/modules/notifications/notification.mojom
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+// Copyright 2016 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.
+
+module blink.mojom;
+
+// Structure representing an action button associated with a Notification.
+struct NotificationAction {
+  // Action name that the author can use to distinguish them.
+  string action;
+
+  // Title of the action button.
+  string title;
+
+  // URL of the icon for the button. May be empty if no url was specified.
+  string icon;
+};
+
+// Directionality options that can be indicated for notifications.
+enum NotificationDirection {
+  LEFT_TO_RIGHT,
+  RIGHT_TO_LEFT,
+  AUTO
+};
+
+// Structure representing the information associated with a Web Notification.
+// Resources should be passed separately using the NotificationResources object.
+struct Notification {
+  // The maximum size of the serialized developer-provided data to be stored in
+  // the |data| property of this structure.
+  const int32 kMaximumDeveloperDataBytes = 1048576;  // 1MB
+
+  // Title to be displayed with the Web Notification.
+  string title;
+
+  // Hint to determine the directionality of the displayed notification.
+  NotificationDirection direction;
+
+  // BCP 47 language tag describing the notification's contents. Optional.
+  string? lang;
+
+  // Contents of the notification.
+  string body;
+
+  // Tag of the notification. Notifications sharing both their origin and their
+  // tag will replace the first displayed notification.
+  string tag;
+
+  // URL of the icon which is to be displayed with the notification.
+  string icon;
+
+  // Vibration pattern for the notification, following the syntax of the
+  // Vibration API. https://w3c.github.io/vibration/
+  array<int32> vibration_pattern;
+
+  // The time at which the event the notification represents took place.
+  double timestamp;
+
+  // Whether default notification indicators (sound, vibration, light) should
+  // be played again if the notification is replacing an older notification.
+  bool renotify = false;
+
+  // Whether default notification indicators (sound, vibration, light) should
+  // be suppressed.
+  bool silent = false;
+
+  // Whether the notification should remain onscreen indefinitely, rather than
+  // being auto-minimized to the notification center (if allowed by platform).
+  bool require_interaction = false;
+
+  // Developer-provided data associated with the notification, in the form of
+  // a serialized string. Must not exceed |kMaximumDeveloperDataBytes| bytes.
+  array<int8> data;
+
+  // Actions that should be shown as buttons on the notification.
+  array<NotificationAction> actions;
+};