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 "device/bluetooth/bluetooth_discovery_session.h" 6 7 #include "base/bind.h" 8 #include "device/bluetooth/bluetooth_adapter.h" 9 10 namespace device { 11 12 BluetoothDiscoverySession::BluetoothDiscoverySession( 13 scoped_refptr<BluetoothAdapter> adapter) 14 : active_(true), adapter_(adapter), weak_ptr_factory_(this) { 15 DCHECK(adapter_.get()); 16 } 17 18 BluetoothDiscoverySession::~BluetoothDiscoverySession() { 19 if (active_) { 20 Stop(base::Bind(&base::DoNothing), base::Bind(&base::DoNothing)); 21 MarkAsInactive(); 22 } 23 } 24 25 bool BluetoothDiscoverySession::IsActive() const { 26 return active_; 27 } 28 29 void BluetoothDiscoverySession::Stop( 30 const base::Closure& callback, 31 const ErrorCallback& error_callback) { 32 if (!active_) { 33 LOG(WARNING) << "Discovery session not active. Cannot stop."; 34 error_callback.Run(); 35 return; 36 } 37 VLOG(1) << "Stopping device discovery session."; 38 adapter_->RemoveDiscoverySession( 39 base::Bind(&BluetoothDiscoverySession::OnStop, 40 weak_ptr_factory_.GetWeakPtr(), 41 callback), 42 error_callback); 43 } 44 45 void BluetoothDiscoverySession::OnStop(const base::Closure& callback) { 46 MarkAsInactive(); 47 callback.Run(); 48 } 49 50 void BluetoothDiscoverySession::MarkAsInactive() { 51 if (!active_) 52 return; 53 active_ = false; 54 adapter_->DiscoverySessionBecameInactive(this); 55 } 56 57 } // namespace device 58