Integrate audio dbus api: GetNodes.

chromeos/dbus/audio_node.cc

+// Copyright (c) 2013 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 "chromeos/dbus/audio_node.h"
+
+#include "base/format_macros.h"
+#include "base/stringprintf.h"
+
+namespace chromeos {
+
+AudioNode::AudioNode()
+    : is_input(false),
+      id(0),
+      active(false) {
+}
+
+std::string AudioNode::ToString() const {
+  std::string result;
+  base::StringAppendF(&result,
+                      "is_input = %s ",
+                      is_input ? "true" : "false");
+  base::StringAppendF(&result,
+                      "id = %"PRIu64" ",
+                      id);
+  base::StringAppendF(&result,
+                      "device_name = %s ",
+                      device_name.c_str());
+  base::StringAppendF(&result,
+                      "type = %s ",
+                      type.c_str());
+  base::StringAppendF(&result,
+                      "name = %s ",
+                      name.c_str());
+  base::StringAppendF(&result,
+                      "active = %s ",
+                      active ? "true" : "false");
+
+  return result;
+}
+
+}  // namespace chromeos