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 <set>
   9 #include <string>
  10 #include <utility>
  11 #include <vector>
  12
  13 #include "base/containers/hash_tables.h"
  14 #include "base/memory/ref_counted.h"
  15 #include "base/memory/scoped_vector.h"
  16 #include "base/memory/weak_ptr.h"
  17 #include "base/threading/thread_checker.h"
  18 #include "device/bluetooth/bluetooth_adapter.h"
  19 #include "device/bluetooth/bluetooth_audio_sink.h"
  20 #include "device/bluetooth/bluetooth_discovery_session.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   std::string GetAddress() const override;
  44   std::string GetName() const override;
  45   void SetName(const std::string& name,
  46                const base::Closure& callback,
  47                const ErrorCallback& error_callback) override;
  48   bool IsInitialized() const override;
  49   bool IsPresent() const override;
  50   bool IsPowered() const override;
  51   void SetPowered(bool discoverable,
  52                   const base::Closure& callback,
  53                   const ErrorCallback& error_callback) override;
  54   bool IsDiscoverable() const override;
  55   void SetDiscoverable(bool discoverable,
  56                        const base::Closure& callback,
  57                        const ErrorCallback& error_callback) override;
  58   bool IsDiscovering() const override;
  59   void CreateRfcommService(
  60       const BluetoothUUID& uuid,
  61       const ServiceOptions& options,
  62       const CreateServiceCallback& callback,
  63       const CreateServiceErrorCallback& error_callback) override;
  64   void CreateL2capService(
  65       const BluetoothUUID& uuid,
  66       const ServiceOptions& options,
  67       const CreateServiceCallback& callback,
  68       const CreateServiceErrorCallback& error_callback) override;
  69   void RegisterAudioSink(
  70       const BluetoothAudioSink::Options& options,
  71       const AcquiredCallback& callback,
  72       const BluetoothAudioSink::ErrorCallback& error_callback) override;
  73   void RegisterAdvertisement(
  74       scoped_ptr<BluetoothAdvertisement::Data> advertisement_data,
  75       const CreateAdvertisementCallback& callback,
  76       const CreateAdvertisementErrorCallback& error_callback) override;
  77
  78   // BluetoothTaskManagerWin::Observer override
  79   void AdapterStateChanged(
  80       const BluetoothTaskManagerWin::AdapterState& state) override;
  81   void DiscoveryStarted(bool success) override;
  82   void DiscoveryStopped() override;
  83   void DevicesPolled(const ScopedVector<BluetoothTaskManagerWin::DeviceState>&
  84                          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   void RemovePairingDelegateInternal(
  96       device::BluetoothDevice::PairingDelegate* pairing_delegate) override;
  97
  98  private:
  99   friend class BluetoothAdapterWinTest;
 100
 101   enum DiscoveryStatus {
 102     NOT_DISCOVERING,
 103     DISCOVERY_STARTING,
 104     DISCOVERING,
 105     DISCOVERY_STOPPING
 106   };
 107
 108   explicit BluetoothAdapterWin(const InitCallback& init_callback);
 109   ~BluetoothAdapterWin() override;
 110
 111   // BluetoothAdapter:
 112   void AddDiscoverySession(BluetoothDiscoveryFilter* discovery_filter,
 113                            const base::Closure& callback,
 114                            const ErrorCallback& error_callback) override;
 115   void RemoveDiscoverySession(BluetoothDiscoveryFilter* discovery_filter,
 116                               const base::Closure& callback,
 117                               const ErrorCallback& error_callback) override;
 118   void SetDiscoveryFilter(scoped_ptr<BluetoothDiscoveryFilter> discovery_filter,
 119                           const base::Closure& callback,
 120                           const ErrorCallback& error_callback) override;
 121
 122   void Init();
 123   void InitForTest(
 124       scoped_refptr<base::SequencedTaskRunner> ui_task_runner,
 125       scoped_refptr<base::SequencedTaskRunner> bluetooth_task_runner);
 126
 127   void MaybePostStartDiscoveryTask();
 128   void MaybePostStopDiscoveryTask();
 129
 130   InitCallback init_callback_;
 131   std::string address_;
 132   std::string name_;
 133   bool initialized_;
 134   bool powered_;
 135   DiscoveryStatus discovery_status_;
 136   base::hash_set<std::string> discovered_devices_;
 137
 138   std::vector<std::pair<base::Closure, ErrorCallback> >
 139       on_start_discovery_callbacks_;
 140   std::vector<base::Closure> on_stop_discovery_callbacks_;
 141   size_t num_discovery_listeners_;
 142
 143   scoped_refptr<base::SequencedTaskRunner> ui_task_runner_;
 144   scoped_refptr<BluetoothSocketThread> socket_thread_;
 145   scoped_refptr<BluetoothTaskManagerWin> task_manager_;
 146
 147   base::ThreadChecker thread_checker_;
 148
 149   // NOTE: This should remain the last member so it'll be destroyed and
 150   // invalidate its weak pointers before any other members are destroyed.
 151   base::WeakPtrFactory<BluetoothAdapterWin> weak_ptr_factory_;
 152
 153   DISALLOW_COPY_AND_ASSIGN(BluetoothAdapterWin);
 154 };
 155
 156 }  // namespace device
 157
 158 #endif  // DEVICE_BLUETOOTH_BLUETOOTH_ADAPTER_WIN_H_