blob: 1ba533a068614353fb78415c6681b12844ce142a [file] [log] [blame]
// Copyright 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 "device/nfc/nfc_adapter_factory.h"
#include "base/lazy_instance.h"
#include "base/logging.h"
#include "base/memory/weak_ptr.h"
#if defined(OS_CHROMEOS)
#include "device/nfc/nfc_adapter_chromeos.h"
namespace device {
namespace {
// Shared default adapter instance, we don't want to keep this class around
// if nobody is using it so use a WeakPtr and create the object when needed;
// since Google C++ Style (and clang's static analyzer) forbids us having
// exit-time destructors we use a leaky lazy instance for it.
base::LazyInstance<base::WeakPtr<device::NfcAdapter> >::Leaky
} // namespace
// static
bool NfcAdapterFactory::IsNfcAvailable() {
#if defined(OS_CHROMEOS)
return true;
return false;
// static
void NfcAdapterFactory::GetAdapter(const AdapterCallback& callback) {
if (!IsNfcAvailable()) {
LOG(WARNING) << "NFC is not available on the current platform.";
if (!default_adapter.Get().get()) {
#if defined(OS_CHROMEOS)
chromeos::NfcAdapterChromeOS* new_adapter =
new chromeos::NfcAdapterChromeOS();
default_adapter.Get() = new_adapter->weak_ptr_factory_.GetWeakPtr();
if (default_adapter.Get()->IsInitialized())
} // namespace device