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 // BluetoothAdapterProfileChromeOS objects are owned by the
  26 // BluetoothAdapterChromeOS and allocated through Register()
  27 class DEVICE_BLUETOOTH_EXPORT BluetoothAdapterProfileChromeOS
  28     : public chromeos::BluetoothProfileServiceProvider::Delegate {
  29  public:
  30   typedef base::Callback<void(BluetoothAdapterProfileChromeOS* profile)>
  31       ProfileRegisteredCallback;
  32
  33   // Registers a profile with the BlueZ server for |uuid| with the
  34   // options |options|.  Returns a newly allocated pointer, or nullptr
  35   // if there was a problem.
  36   static BluetoothAdapterProfileChromeOS* Register(
  37       const device::BluetoothUUID& uuid,
  38       const BluetoothProfileManagerClient::Options& options,
  39       const ProfileRegisteredCallback& success_callback,
  40       const BluetoothProfileManagerClient::ErrorCallback& error_callback);
  41
  42   ~BluetoothAdapterProfileChromeOS() override;
  43
  44   // The object path of the profile.
  45   const dbus::ObjectPath& object_path() const { return object_path_; }
  46
  47   // Returns the UUID of the profile
  48   const device::BluetoothUUID& uuid() const { return uuid_; }
  49
  50   // Add a delegate for a device associated with this profile.
  51   // An empty |device_path| indicates a local listening service.
  52   // Returns true if the delegate was set, and false if the |device_path|
  53   // already had a delegate set.
  54   bool SetDelegate(const dbus::ObjectPath& device_path,
  55                    BluetoothProfileServiceProvider::Delegate* delegate);
  56
  57   // Remove the delegate for a device. |unregistered_callback| will be called
  58   // if this unregisters the profile.
  59   void RemoveDelegate(const dbus::ObjectPath& device_path,
  60                       const base::Closure& unregistered_callback);
  61
  62   // Returns the number of delegates for this profile.
  63   size_t DelegateCount() const { return delegates_.size(); }
  64
  65  private:
  66   BluetoothAdapterProfileChromeOS(const device::BluetoothUUID& uuid);
  67
  68   // BluetoothProfileServiceProvider::Delegate:
  69   void Released() override;
  70   void NewConnection(
  71       const dbus::ObjectPath& device_path,
  72       scoped_ptr<dbus::FileDescriptor> fd,
  73       const BluetoothProfileServiceProvider::Delegate::Options& options,
  74       const ConfirmationCallback& callback) override;
  75   void RequestDisconnection(const dbus::ObjectPath& device_path,
  76                             const ConfirmationCallback& callback) override;
  77   void Cancel() override;
  78
  79   // Called by dbus:: on completion of the D-Bus method to unregister a profile.
  80   void OnUnregisterProfileError(const base::Closure& unregistered_callback,
  81                                 const std::string& error_name,
  82                                 const std::string& error_message);
  83
  84   // List of delegates which this profile is multiplexing to.
  85   std::map<std::string, BluetoothProfileServiceProvider::Delegate*> delegates_;
  86
  87   // The UUID that this profile represents.
  88   const device::BluetoothUUID& uuid_;
  89
  90   // Registered dbus object path for this profile.
  91   dbus::ObjectPath object_path_;
  92
  93   // Profile dbus object for receiving profile method calls from BlueZ
  94   scoped_ptr<BluetoothProfileServiceProvider> profile_;
  95
  96   // Note: This should remain the last member so it'll be destroyed and
  97   // invalidate its weak pointers before any other members are destroyed.
  98   base::WeakPtrFactory<BluetoothAdapterProfileChromeOS> weak_ptr_factory_;
  99
 100   DISALLOW_COPY_AND_ASSIGN(BluetoothAdapterProfileChromeOS);
 101 };
 102
 103 }  // namespace chromeos
 104
 105 #endif