device/bluetooth/bluetooth_adapter_profile_chromeos.h

   1 // Copyright 2015 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_PROFILE_CHROMEOS_H_
   6 #define DEVICE_BLUETOOTH_BLUETOOTH_ADAPTER_PROFILE_CHROMEOS_H_
   7
   8 #include "base/memory/weak_ptr.h"
   9 #include "chromeos/dbus/bluetooth_profile_manager_client.h"
  10 #include "chromeos/dbus/bluetooth_profile_service_provider.h"
  11 #include "device/bluetooth/bluetooth_adapter_chromeos.h"
  12 #include "device/bluetooth/bluetooth_export.h"
  13
  14 namespace device {
  15 class BluetoothUUID;
  16 }  // namespace device
  17
  18 namespace chromeos {
  19
  20 // The BluetoothAdapterProfileChromeOS class implements a multiplexing
  21 // profile for custom Bluetooth services managed by a BluetoothAdapter.
  22 // Maintains a list of delegates which may serve the profile.
  23 // One delegate is allowed for each device.
  24 //
  25 // This class is not thread-safe, but is only called from the dbus origin
  26 // thread.
  27 //
  28 // BluetoothAdapterProfileChromeOS objects are owned by the
  29 // BluetoothAdapterChromeOS and allocated through Register()
  30 class DEVICE_BLUETOOTH_EXPORT BluetoothAdapterProfileChromeOS
  31     : public chromeos::BluetoothProfileServiceProvider::Delegate {
  32  public:
  33   typedef base::Callback<void(scoped_ptr<BluetoothAdapterProfileChromeOS>
  34                                   profile)> ProfileRegisteredCallback;
  35
  36   // Registers a profile with the BlueZ server for |uuid| with the
  37   // options |options|.  |success_callback| is provided with a newly
  38   // allocated profile if registration is successful, otherwise |error_callback|
  39   // will be called.
  40   static void Register(
  41       const device::BluetoothUUID& uuid,
  42       const BluetoothProfileManagerClient::Options& options,
  43       const ProfileRegisteredCallback& success_callback,
  44       const BluetoothProfileManagerClient::ErrorCallback& error_callback);
  45
  46   ~BluetoothAdapterProfileChromeOS() override;
  47
  48   // The object path of the profile.
  49   const dbus::ObjectPath& object_path() const { return object_path_; }
  50
  51   // Returns the UUID of the profile
  52   const device::BluetoothUUID& uuid() const { return uuid_; }
  53
  54   // Add a delegate for a device associated with this profile.
  55   // An empty |device_path| indicates a local listening service.
  56   // Returns true if the delegate was set, and false if the |device_path|
  57   // already had a delegate set.
  58   bool SetDelegate(const dbus::ObjectPath& device_path,
  59                    BluetoothProfileServiceProvider::Delegate* delegate);
  60
  61   // Remove the delegate for a device. |unregistered_callback| will be called
  62   // if this unregisters the profile.
  63   void RemoveDelegate(const dbus::ObjectPath& device_path,
  64                       const base::Closure& unregistered_callback);
  65
  66   // Returns the number of delegates for this profile.
  67   size_t DelegateCount() const { return delegates_.size(); }
  68
  69  private:
  70   BluetoothAdapterProfileChromeOS(const device::BluetoothUUID& uuid);
  71
  72   // BluetoothProfileServiceProvider::Delegate:
  73   void Released() override;
  74   void NewConnection(
  75       const dbus::ObjectPath& device_path,
  76       scoped_ptr<dbus::FileDescriptor> fd,
  77       const BluetoothProfileServiceProvider::Delegate::Options& options,
  78       const ConfirmationCallback& callback) override;
  79   void RequestDisconnection(const dbus::ObjectPath& device_path,
  80                             const ConfirmationCallback& callback) override;
  81   void Cancel() override;
  82
  83   // Called by dbus:: on completion of the D-Bus method to unregister a profile.
  84   void OnUnregisterProfileError(const base::Closure& unregistered_callback,
  85                                 const std::string& error_name,
  86                                 const std::string& error_message);
  87
  88   // List of delegates which this profile is multiplexing to.
  89   std::map<std::string, BluetoothProfileServiceProvider::Delegate*> delegates_;
  90
  91   // The UUID that this profile represents.
  92   const device::BluetoothUUID& uuid_;
  93
  94   // Registered dbus object path for this profile.
  95   dbus::ObjectPath object_path_;
  96
  97   // Profile dbus object for receiving profile method calls from BlueZ
  98   scoped_ptr<BluetoothProfileServiceProvider> profile_;
  99
 100   // Note: This should remain the last member so it'll be destroyed and
 101   // invalidate its weak pointers before any other members are destroyed.
 102   base::WeakPtrFactory<BluetoothAdapterProfileChromeOS> weak_ptr_factory_;
 103
 104   DISALLOW_COPY_AND_ASSIGN(BluetoothAdapterProfileChromeOS);
 105 };
 106
 107 }  // namespace chromeos
 108
 109 #endif  // DEVICE_BLUETOOTH_BLUETOOTH_ADAPTER_PROFILE_CHROMEOS_H_