chrome/browser/extensions/api/music_manager_private/music_manager_private_api.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/extensions/api/music_manager_private/music_manager_private_api.h"
   6
   7 #include "chrome/browser/extensions/api/music_manager_private/device_id.h"
   8
   9 using content::BrowserThread;
  10
  11 namespace {
  12
  13 const char kDeviceIdNotSupported[] =
  14     "Device ID API is not supported on this platform.";
  15
  16 }
  17
  18 namespace extensions {
  19 namespace api {
  20
  21 MusicManagerPrivateGetDeviceIdFunction::
  22     MusicManagerPrivateGetDeviceIdFunction() {
  23 }
  24
  25 MusicManagerPrivateGetDeviceIdFunction::
  26     ~MusicManagerPrivateGetDeviceIdFunction() {
  27 }
  28
  29 bool MusicManagerPrivateGetDeviceIdFunction::RunAsync() {
  30   DCHECK_CURRENTLY_ON(BrowserThread::UI);
  31   DeviceId::GetDeviceId(
  32       this->extension_id(),
  33       base::Bind(
  34           &MusicManagerPrivateGetDeviceIdFunction::DeviceIdCallback,
  35           this));
  36   return true;  // Still processing!
  37 }
  38
  39 void MusicManagerPrivateGetDeviceIdFunction::DeviceIdCallback(
  40     const std::string& device_id) {
  41   DCHECK_CURRENTLY_ON(BrowserThread::UI);
  42   bool response;
  43   if (device_id.empty()) {
  44     SetError(kDeviceIdNotSupported);
  45     response = false;
  46   } else {
  47     SetResult(new base::StringValue(device_id));
  48     response = true;
  49   }
  50
  51   SendResponse(response);
  52 }
  53
  54 } // namespace api
  55 } // namespace extensions