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diff --git a/addons/web/static/src/js/services/notification_service.js b/addons/web/static/src/js/services/notification_service.js
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+++ b/addons/web/static/src/js/services/notification_service.js
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+odoo.define('web.NotificationService', function (require) {
+'use strict';
+
+var AbstractService = require('web.AbstractService');
+var Notification = require('web.Notification');
+var core = require('web.core');
+
+var id = 0;
+
+/**
+ * Notification Service
+ *
+ * The Notification Service is simply a service used to display notifications in
+ * the top/right part of the screen.
+ *
+ * If you want to display such a notification, you probably do not want to do it
+ * by using this file. The proper way is to use the do_warn or do_notify
+ * methods on the Widget class.
+ */
+var NotificationService = AbstractService.extend({
+    custom_events: {
+        close: '_onCloseNotification',
+    },
+
+    /**
+     * @override
+     */
+    start: function () {
+        this._super.apply(this, arguments);
+        this.notifications = {};
+    },
+
+    //--------------------------------------------------------------------------
+    // Public
+    //--------------------------------------------------------------------------
+
+    /**
+     * It may sometimes be useful to close programmatically a notification. For
+     * example, when there is a sticky notification warning the user about some
+     * condition (connection lost), but the condition does not apply anymore.
+     *
+     * @param {number} notificationId
+     * @param {boolean} [silent=false] if true, the notification does not call
+     *   onClose callback
+     */
+    close: function (notificationId, silent) {
+        var notification = this.notifications[notificationId];
+        if (!notification) {
+            return;
+        }
+        notification.close(silent);
+    },
+    /**
+     * Display a notification at the appropriate location, and returns the
+     * reference id to the same widget.
+     *
+     * Note that this method does not wait for the appendTo method to complete.
+     *
+     * @param {Object} params
+     * @param {function} [params.Notification] javascript class of a notification
+     *   to instantiate by default use 'web.Notification'
+     * @param {string} params.title notification title
+     * @param {string} params.subtitle notification subtitle
+     * @param {string} params.message notification main message
+     * @param {string} params.type 'notification' or 'warning'
+     * @param {boolean} [params.sticky=false] if true, the notification will stay
+     *   visible until the user clicks on it.
+     * @param {string} [params.className] className to add on the dom
+     * @param {function} [params.onClose] callback when the user click on the x
+     *   or when the notification is auto close (no sticky)
+     * @param {Object[]} params.buttons
+     * @param {function} params.buttons[0].click callback on click
+     * @param {Boolean} [params.buttons[0].primary] display the button as primary
+     * @param {string} [params.buttons[0].text] button label
+     * @param {string} [params.buttons[0].icon] font-awsome className or image src
+     * @returns {Number} notification id
+     */
+    notify: function (params) {
+        if (!this.$el) {
+            this.$el = $('<div class="o_notification_manager"/>');
+            this.$el.prependTo('body');
+        }
+        var NotificationWidget = params.Notification || Notification;
+        var notification = this.notifications[++id] = new NotificationWidget(this, params);
+        notification.appendTo(this.$el);
+        return id;
+    },
+
+    //--------------------------------------------------------------------------
+    // Handlers
+    //--------------------------------------------------------------------------
+
+    /**
+     * @private
+     * @param {OdooEvent} ev
+     */
+    _onCloseNotification: function (ev) {
+        ev.stopPropagation();
+        for (var notificationId in this.notifications) {
+            if (this.notifications[notificationId] === ev.target) {
+                delete this.notifications[notificationId];
+                break;
+            }
+        }
+    },
+});
+
+core.serviceRegistry.add('notification', NotificationService);
+
+return NotificationService;
+});