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gaia/shared/js/notification_helper.js

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+/* exported NotificationHelper */
+(function(window) {
+  'use strict';
+
+  window.NotificationHelper = {
+    getIconURI: function nh_getIconURI(app, entryPoint) {
+      var icons = app.manifest.icons;
+
+      if (entryPoint) {
+        icons = app.manifest.entry_points[entryPoint].icons;
+      }
+
+      if (!icons) {
+        return null;
+      }
+
+      var sizes = Object.keys(icons).map(function parse(str) {
+        return parseInt(str, 10);
+      });
+      sizes.sort(function(x, y) { return y - x; });
+
+      var HVGA = document.documentElement.clientWidth < 480;
+      var index = sizes[HVGA ? sizes.length - 1 : 0];
+      return app.installOrigin + icons[index];
+    },
+
+    // titleL10n and options.bodyL10n may be:
+    // a string -> l10nId
+    // an object -> {id: l10nId, args: l10nArgs}
+    // an object -> {raw: string}
+    send: function nh_send(titleL10n, options) {
+      return Promise.all([titleL10n, options.bodyL10n].map(getL10n)).then(
+        ([title, body]) => {
+          if (body) {
+            options.body = body;
+          }
+          options.lang = document.documentElement.getAttribute('lang');
+
+          var notification = new window.Notification(title, options);
+
+          if (options.closeOnClick !== false) {
+            notification.addEventListener('click', function nh_click() {
+              notification.removeEventListener('click', nh_click);
+              notification.close();
+            });
+          }
+
+          return notification;
+        });
+    },
+  };
+
+  function getL10n(l10nAttrs) {
+    if (!l10nAttrs) {
+      return;
+    }
+    if (typeof l10nAttrs === 'string') {
+      return document.l10n.formatValue(l10nAttrs);
+    }
+    if (typeof l10nAttrs.raw === "string") {
+      return l10nAttrs.raw;
+    }
+    return document.l10n.formatValue(l10nAttrs.id, l10nAttrs.args);
+  }
+})(this);