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