src/third_party/WebKit/Source/modules/bluetooth/NavigatorBluetooth.cpp

   1 // Copyright 2014 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 "config.h"
   6 #include "modules/bluetooth/NavigatorBluetooth.h"
   7
   8 #include "core/frame/Navigator.h"
   9 #include "modules/bluetooth/Bluetooth.h"
  10
  11 namespace blink {
  12
  13 NavigatorBluetooth& NavigatorBluetooth::from(Navigator& navigator)
  14 {
  15     NavigatorBluetooth* supplement = static_cast<NavigatorBluetooth*>(WillBeHeapSupplement<Navigator>::from(navigator, supplementName()));
  16     if (!supplement) {
  17         supplement = new NavigatorBluetooth();
  18         provideTo(navigator, supplementName(), adoptPtrWillBeNoop(supplement));
  19     }
  20     return *supplement;
  21 }
  22
  23 Bluetooth* NavigatorBluetooth::bluetooth(Navigator& navigator)
  24 {
  25     return NavigatorBluetooth::from(navigator).bluetooth();
  26 }
  27
  28 Bluetooth* NavigatorBluetooth::bluetooth()
  29 {
  30     if (!m_bluetooth)
  31         m_bluetooth = Bluetooth::create();
  32     return m_bluetooth.get();
  33 }
  34
  35 void NavigatorBluetooth::trace(Visitor* visitor)
  36 {
  37     visitor->trace(m_bluetooth);
  38     WillBeHeapSupplement<Navigator>::trace(visitor);
  39 }
  40
  41 NavigatorBluetooth::NavigatorBluetooth()
  42 {
  43 }
  44
  45 DEFINE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(NavigatorBluetooth);
  46
  47 const char* NavigatorBluetooth::supplementName()
  48 {
  49     return "NavigatorBluetooth";
  50 }
  51
  52 } // namespace blink