components/copresence_sockets/public/copresence_peer.h

   1 // Copyright 2014 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 COMPONENTS_COPRESENCE_SOCKETS_COPRESENCE_PEER_H_
   6 #define COMPONENTS_COPRESENCE_SOCKETS_COPRESENCE_PEER_H_
   7
   8 #include <string>
   9
  10 #include "base/callback.h"
  11 #include "base/macros.h"
  12 #include "base/memory/ref_counted.h"
  13 #include "base/memory/scoped_ptr.h"
  14 #include "base/memory/weak_ptr.h"
  15 #include "device/bluetooth/bluetooth_device.h"
  16 #include "device/bluetooth/bluetooth_uuid.h"
  17
  18 namespace device {
  19 class BluetoothAdapter;
  20 class BluetoothDevice;
  21 class BluetoothSocket;
  22 }
  23
  24 namespace copresence_sockets {
  25
  26 class CopresenceSocket;
  27
  28 // A CopresencePeer is an object that can be connected to. Creating a peer
  29 // will create a server that will listen on a medium (currently only Bluetooth)
  30 // and accept connections.
  31 class CopresencePeer {
  32  public:
  33   // Callback with the locator data for the created peer. On a failed create,
  34   // the locator string will be empty.
  35   typedef base::Callback<void(const std::string&)> CreatePeerCallback;
  36
  37   // Callback that accepts connections. The callback takes ownership of the
  38   // Copresence socket passed in the parameter.
  39   typedef base::Callback<void(scoped_ptr<CopresenceSocket> socket)>
  40       AcceptCallback;
  41
  42   // Create a CopresencePeer and start listening for connections. Once the peer
  43   // object is created, the locator data for the object is returned via
  44   // create_callback. This locator data can be used to connect to this peer by
  45   // remote CopresenceSockets. Any connections accepted by this peer are
  46   // delivered as CopresenceSocket objects to accept_callback.
  47   CopresencePeer(const CreatePeerCallback& create_callback,
  48                  const AcceptCallback& accept_callback);
  49
  50   virtual ~CopresencePeer();
  51
  52   // This will return a string containing the data needed for a remote
  53   // CopresenceSocket to connect to this peer.
  54   std::string GetLocatorData();
  55
  56  private:
  57   void OnGetAdapter(scoped_refptr<device::BluetoothAdapter> adapter);
  58   void OnCreateService(scoped_refptr<device::BluetoothSocket> socket);
  59   void OnCreateServiceError(const std::string& message);
  60
  61   void OnAccept(const device::BluetoothDevice* device,
  62                 scoped_refptr<device::BluetoothSocket> socket);
  63   void OnAcceptError(const std::string& message);
  64
  65   scoped_refptr<device::BluetoothAdapter> adapter_;
  66   scoped_refptr<device::BluetoothSocket> server_socket_;
  67
  68   CreatePeerCallback create_callback_;
  69   AcceptCallback accept_callback_;
  70
  71   scoped_ptr<device::BluetoothDevice::PairingDelegate> delegate_;
  72
  73   base::WeakPtrFactory<CopresencePeer> weak_ptr_factory_;
  74
  75   DISALLOW_COPY_AND_ASSIGN(CopresencePeer);
  76 };
  77
  78 }  // namespace copresence_sockets
  79
  80 #endif  // COMPONENTS_COPRESENCE_SOCKETS_COPRESENCE_PEER_H_