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