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