Implement chrome.serial.getDevices() on top of the Mojo serial service.

This does not change Chrome to use the new implementation.

BUG=389016

Review URL: https://codereview.chromium.org/391413005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@286122 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 42 insertions, 0 deletions

diff --git a/extensions/renderer/resources/serial_service.js b/extensions/renderer/resources/serial_service.js
new file mode 100644
index 0000000..92e17d0
--- /dev/null
+++ b/extensions/renderer/resources/serial_service.js
@@ -0,0 +1,42 @@
+// Copyright 2014 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.
+
+define('serial_service', [
+    'content/public/renderer/service_provider',
+    'device/serial/serial.mojom',
+    'mojo/public/js/bindings/router',
+], function(serviceProvider, serialMojom, routerModule) {
+
+  function defineService(proxy, handle) {
+    if (!handle)
+      handle = serviceProvider.connectToService(proxy.NAME_);
+    var router = new routerModule.Router(handle);
+    var service = new proxy(router);
+    return {
+      service: service,
+      router: router,
+    };
+  }
+
+  var service = defineService(serialMojom.SerialServiceProxy).service;
+
+  function getDevices() {
+    return service.getDevices().then(function(response) {
+      return $Array.map(response.devices, function(device) {
+        var result = {path: device.path || ''};
+        if (device.has_vendor_id)
+          result.vendorId = device.vendor_id;
+        if (device.has_product_id)
+          result.productId = device.product_id;
+        if (device.display_name)
+          result.displayName = device.display_name;
+        return result;
+      });
+    });
+  }
+
+  return {
+    getDevices: getDevices,
+  };
+});