device/bluetooth/bluetooth_adapter_win.h

   1 // Copyright (c) 2012 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 #ifndef DEVICE_BLUETOOTH_BLUETOOTH_ADAPTER_WIN_H_
   6 #define DEVICE_BLUETOOTH_BLUETOOTH_ADAPTER_WIN_H_
   7
   8 #include <hash_set>
   9 #include <set>
  10 #include <string>
  11 #include <utility>
  12 #include <vector>
  13
  14 #include "base/containers/hash_tables.h"
  15 #include "base/memory/ref_counted.h"
  16 #include "base/memory/scoped_vector.h"
  17 #include "base/memory/weak_ptr.h"
  18 #include "base/threading/thread_checker.h"
  19 #include "device/bluetooth/bluetooth_adapter.h"
  20 #include "device/bluetooth/bluetooth_audio_sink.h"
  21 #include "device/bluetooth/bluetooth_export.h"
  22 #include "device/bluetooth/bluetooth_task_manager_win.h"
  23
  24 namespace base {
  25 class SequencedTaskRunner;
  26 class Thread;
  27 }  // namespace base
  28
  29 namespace device {
  30
  31 class BluetoothAdapterWinTest;
  32 class BluetoothDevice;
  33 class BluetoothSocketThread;
  34
  35 class DEVICE_BLUETOOTH_EXPORT BluetoothAdapterWin
  36     : public BluetoothAdapter,
  37       public BluetoothTaskManagerWin::Observer {
  38  public:
  39   static base::WeakPtr<BluetoothAdapter> CreateAdapter(
  40       const InitCallback& init_callback);
  41
  42   // BluetoothAdapter:
  43   virtual void AddObserver(BluetoothAdapter::Observer* observer) override;
  44   virtual void RemoveObserver(BluetoothAdapter::Observer* observer) override;
  45   virtual std::string GetAddress() const override;
  46   virtual std::string GetName() const override;
  47   virtual void SetName(const std::string& name,
  48                        const base::Closure& callback,
  49                        const ErrorCallback& error_callback) override;
  50   virtual bool IsInitialized() const override;
  51   virtual bool IsPresent() const override;
  52   virtual bool IsPowered() const override;
  53   virtual void SetPowered(
  54       bool discoverable,
  55       const base::Closure& callback,
  56       const ErrorCallback& error_callback) override;
  57   virtual bool IsDiscoverable() const override;
  58   virtual void SetDiscoverable(
  59       bool discoverable,
  60       const base::Closure& callback,
  61       const ErrorCallback& error_callback) override;
  62   virtual bool IsDiscovering() const override;
  63   virtual void CreateRfcommService(
  64       const BluetoothUUID& uuid,
  65       const ServiceOptions& options,
  66       const CreateServiceCallback& callback,
  67       const CreateServiceErrorCallback& error_callback) override;
  68   virtual void CreateL2capService(
  69       const BluetoothUUID& uuid,
  70       const ServiceOptions& options,
  71       const CreateServiceCallback& callback,
  72       const CreateServiceErrorCallback& error_callback) override;
  73   void RegisterAudioSink(
  74       const BluetoothAudioSink::Options& options,
  75       const AcquiredCallback& callback,
  76       const BluetoothAudioSink::ErrorCallback& error_callback) override;
  77
  78   // BluetoothTaskManagerWin::Observer override
  79   virtual void AdapterStateChanged(
  80       const BluetoothTaskManagerWin::AdapterState& state) override;
  81   virtual void DiscoveryStarted(bool success) override;
  82   virtual void DiscoveryStopped() override;
  83   virtual void DevicesPolled(const ScopedVector<
  84       BluetoothTaskManagerWin::DeviceState>& devices) override;
  85
  86   const scoped_refptr<base::SequencedTaskRunner>& ui_task_runner() const {
  87     return ui_task_runner_;
  88   }
  89   const scoped_refptr<BluetoothSocketThread>& socket_thread() const {
  90     return socket_thread_;
  91   }
  92
  93  protected:
  94   // BluetoothAdapter:
  95   virtual void RemovePairingDelegateInternal(
  96       device::BluetoothDevice::PairingDelegate* pairing_delegate) override;
  97
  98  private:
  99   friend class base::DeleteHelper<BluetoothAdapterWin>;
 100   friend class BluetoothAdapterWinTest;
 101
 102   enum DiscoveryStatus {
 103     NOT_DISCOVERING,
 104     DISCOVERY_STARTING,
 105     DISCOVERING,
 106     DISCOVERY_STOPPING
 107   };
 108
 109   explicit BluetoothAdapterWin(const InitCallback& init_callback);
 110   virtual ~BluetoothAdapterWin();
 111
 112   // BluetoothAdapter:
 113   void DeleteOnCorrectThread() const override;
 114   virtual void AddDiscoverySession(
 115       const base::Closure& callback,
 116       const ErrorCallback& error_callback) override;
 117   virtual void RemoveDiscoverySession(
 118       const base::Closure& callback,
 119       const ErrorCallback& error_callback) override;
 120
 121   void Init();
 122   void InitForTest(
 123       scoped_refptr<base::SequencedTaskRunner> ui_task_runner,
 124       scoped_refptr<base::SequencedTaskRunner> bluetooth_task_runner);
 125
 126   void MaybePostStartDiscoveryTask();
 127   void MaybePostStopDiscoveryTask();
 128
 129   InitCallback init_callback_;
 130   std::string address_;
 131   std::string name_;
 132   bool initialized_;
 133   bool powered_;
 134   DiscoveryStatus discovery_status_;
 135   base::hash_set<std::string> discovered_devices_;
 136
 137   std::vector<std::pair<base::Closure, ErrorCallback> >
 138       on_start_discovery_callbacks_;
 139   std::vector<base::Closure> on_stop_discovery_callbacks_;
 140   size_t num_discovery_listeners_;
 141
 142   scoped_refptr<base::SequencedTaskRunner> ui_task_runner_;
 143   scoped_refptr<BluetoothSocketThread> socket_thread_;
 144   scoped_refptr<BluetoothTaskManagerWin> task_manager_;
 145
 146   base::ThreadChecker thread_checker_;
 147
 148   // List of observers interested in event notifications from us.
 149   ObserverList<BluetoothAdapter::Observer> observers_;
 150
 151   // NOTE: This should remain the last member so it'll be destroyed and
 152   // invalidate its weak pointers before any other members are destroyed.
 153   base::WeakPtrFactory<BluetoothAdapterWin> weak_ptr_factory_;
 154
 155   DISALLOW_COPY_AND_ASSIGN(BluetoothAdapterWin);
 156 };
 157
 158 }  // namespace device
 159
 160 #endif  // DEVICE_BLUETOOTH_BLUETOOTH_ADAPTER_WIN_H_