GCM: D-Bus methods for wake-on-packet

components/gcm_driver/default_gcm_app_handler.cc

 // Copyright (c) 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.
 
 #include "components/gcm_driver/default_gcm_app_handler.h"
 
+#include "base/callback.h"
 #include "base/logging.h"
 #include "net/base/ip_endpoint.h"
 
 namespace gcm {
 
 DefaultGCMAppHandler::DefaultGCMAppHandler() {
 }
 
 DefaultGCMAppHandler::~DefaultGCMAppHandler() {
 }
@@ skipping 13 matching lines @@
              << app_id;
 }
 
 void DefaultGCMAppHandler::OnSendError(
     const std::string& app_id,
     const GCMClient::SendErrorDetails& send_error_details) {
   LOG(ERROR) << "No app handler is found to route send error message for "
              << app_id;
 }
 
+// static
+void DefaultGCMAppHandler::NullCallback(const std::string& result) {
+}
+
+// static
+void DefaultGCMAppHandler::ErrorCallback(
+    const std::string& error_name,
+    const std::string& error) {
+  LOG(ERROR) << "GCM D-Bus method error " << error_name << ": " << error;
+}
+
 void DefaultGCMAppHandler::OnConnected(const net::IPEndPoint& ip_endpoint) {
-  // TODO(semenzato): update CrOS NIC state.
-  DVLOG(1) << "GCM connected to " << ip_endpoint.ToString();
+  const std::string ip_endpoint_string = ip_endpoint.ToString();
+  if (on_connected_cb_)
+    on_connected_cb_(ip_endpoint);
 }
 
 void DefaultGCMAppHandler::OnDisconnected() {
-  // TODO(semenzato): update CrOS NIC state.
-  DVLOG(1) << "GCM disconnected";
+  if (on_disconnected_cb_)
+    on_disconnected_cb_();
+}
+
+// static
+void DefaultGCMAppHandler::RegisterConnectionCallbacks(
+    void (*on_connected_cb)(const net::IPEndPoint& ip_endpoint),
+    void (*on_disconnected_cb)()) {
+  on_connected_cb_ = on_connected_cb;
+  on_disconnected_cb_ = on_disconnected_cb;
 }
 
 }  // namespace gcm