app_shell: Initial skeleton of a GCD target device setup API

This initial implementation does nothing. Eventually it will talk to privet
and buffet to determine setup state and show progress.

BUG=428853
TEST=app_shell_unittests

Review URL: https://codereview.chromium.org/690093002

Cr-Commit-Position: refs/heads/master@{#302507}

3 files changed, 50 insertions, 0 deletions

diff --git a/extensions/shell/common/api/_api_features.json b/extensions/shell/common/api/_api_features.json
index a0578b6..4f2fa7c 100644
--- a/extensions/shell/common/api/_api_features.json
+++ b/extensions/shell/common/api/_api_features.json
@@ -13,6 +13,12 @@
     "contexts": ["blessed_extension"],
     "extension_types": ["platform_app"]
   },
+  // Setup related functions for a Google Cloud Devices (GCD) target device.
+  "shell.gcd": {
+    "channel": "dev",
+    "contexts": ["blessed_extension"],
+    "extension_types": ["platform_app"]    
+  },
   "shell.window": {
     "channel": "dev",
     "contexts": ["blessed_extension"],
diff --git a/extensions/shell/common/api/schemas.gypi b/extensions/shell/common/api/schemas.gypi
index 09c4bfc..d2b0da8 100644
--- a/extensions/shell/common/api/schemas.gypi
+++ b/extensions/shell/common/api/schemas.gypi
@@ -12,6 +12,7 @@
     ],
     'schema_files': [
       'identity.idl',
+      'shell_gcd.idl',
       'shell_window.idl',
     ],
     'cc_dir': 'extensions/shell/common/api',
diff --git a/extensions/shell/common/api/shell_gcd.idl b/extensions/shell/common/api/shell_gcd.idl
new file mode 100644
index 0000000..c55aad6
--- /dev/null
+++ b/extensions/shell/common/api/shell_gcd.idl
@@ -0,0 +1,43 @@
+// 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.
+
+// Setup related functions for a Google Cloud Devices (GCD) target device
+// running on Chrome OS Core. The actual bootstrapping and GCD registration is
+// handled by the privetd and buffet system daemons.
+namespace shell.gcd {
+  
+  enum SetupStatus {
+    // Not yet configured. Waiting for a connection from the phone or laptop
+    // setup app.
+    unconfigured,
+
+    // Displaying code for user to verify they wish to set up this device.
+    confirmingSetup,
+    
+    // Establishing a secure connection to the setup device and exchanging the
+    // Wi-Fi credentials. 
+    exchangingCredentials,
+    
+    // Connecting to the local network.
+    connectingToNetwork,
+    
+    // Registering with the GCD backend.
+    registering,
+    
+    // Setup completed.
+    completed
+  };
+  
+  callback SetupStatusCallback = void(SetupStatus status);
+
+  interface Functions {
+    // Returns the current setup status via |callback|.
+    static void getSetupStatus(SetupStatusCallback callback);
+  };
+  
+  interface Events {
+    // Notifies that setup has transitioned to a new |status|.
+    static void onSetupStatusChanged(SetupStatus status);
+  };
+};