Manage profiles in BluetoothAdapter on ChromeOS

device/bluetooth/bluetooth_adapter_profile_chromeos.h

+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef DEVICE_BLUETOOTH_BLUETOOTH_ADAPTER_PROFILE_CHROMEOS_H_
+#define DEVICE_BLUETOOTH_BLUETOOTH_ADAPTER_PROFILE_CHROMEOS_H_
+
+#include "base/memory/weak_ptr.h"
+#include "chromeos/dbus/bluetooth_profile_manager_client.h"
+#include "chromeos/dbus/bluetooth_profile_service_provider.h"
+#include "device/bluetooth/bluetooth_adapter_chromeos.h"
+#include "device/bluetooth/bluetooth_export.h"
+
+namespace device {
+class BluetoothUUID;
+}  // namespace device
+
+namespace chromeos {
+
+// The BluetoothAdapterProfileChromeOS class implements a multiplexing
+// profile for custom Bluetooth services managed by a BluetoothAdapter.
+// Maintains a list of delegates which may serve the profile.
+// One delegate is allowed for each device.
+class DEVICE_BLUETOOTH_EXPORT BluetoothAdapterProfileChromeOS
+    : public chromeos::BluetoothProfileServiceProvider::Delegate {
+ public:
+  // Registers a profile with the BlueZ server for |uuid| with the
+  // options |options|.  Returns a newly allocated pointer, or nullptr
+  // if there was a problem.
+  static BluetoothAdapterProfileChromeOS* Register(
+      BluetoothAdapterChromeOS* adapter,
+      const device::BluetoothUUID& uuid,
+      const BluetoothProfileManagerClient::Options& options,
+      const base::Closure& success_callback,
+      const BluetoothProfileManagerClient::ErrorCallback& error_callback);
+
+  ~BluetoothAdapterProfileChromeOS() override;
+
+  // The object path of the profile.
+  const dbus::ObjectPath& object_path() const { return object_path_; }
+
+  // Add a delegate for a device associated with this profile.
+  // An empty |device_path| indicates a local listening service.
+  // Returns true if the delegate was set, and false if the |device_path|
+  // already had a delegate set.
+  bool SetDelegate(const dbus::ObjectPath& device_path,
+                   BluetoothProfileServiceProvider::Delegate* delegate);
+
+  // Remove the delegate for a device. |unregistered_callback| will be called
+  // if this unregisters the profile.
+  void RemoveDelegate(const dbus::ObjectPath& device_path,
+                      const base::Closure& unregistered_callback);
+
+  // Returns the number of delegates for this profile.
+  size_t DelegateCount() const { return delegates_.size(); }
+
+ private:
+  BluetoothAdapterProfileChromeOS(BluetoothAdapterChromeOS* adapter,
+                                  const device::BluetoothUUID& uuid);
+
+  // BluetoothProfileServiceProvider::Delegate:
+  void Released() override;
+  void NewConnection(
+      const dbus::ObjectPath& device_path,
+      scoped_ptr<dbus::FileDescriptor> fd,
+      const BluetoothProfileServiceProvider::Delegate::Options& options,
+      const ConfirmationCallback& callback) override;
+  void RequestDisconnection(const dbus::ObjectPath& device_path,
+                            const ConfirmationCallback& callback) override;
+  void Cancel() override;
+
+  // Called by dbus:: on completion of the D-Bus method to unregister a profile.
+  void OnUnregisterProfileError(const base::Closure& unregistered_callback,
+                                const std::string& error_name,
+                                const std::string& error_message);
+
+  // List of delegates which this profile is multiplexing to.
+  std::map<std::string, BluetoothProfileServiceProvider::Delegate*> delegates_;
+
+  // The UUID that this profile represents.
+  const device::BluetoothUUID& uuid_;
+
+  // Registered dbus object path for this profile.
+  dbus::ObjectPath object_path_;
+
+  // Profile dbus object for receiving profile method calls from BlueZ
+  scoped_ptr<BluetoothProfileServiceProvider> profile_;
+
+  // Adapter that owns this profile.
+  BluetoothAdapterChromeOS* adapter_;
+
+  // Note: This should remain the last member so it'll be destroyed and
+  // invalidate its weak pointers before any other members are destroyed.
+  base::WeakPtrFactory<BluetoothAdapterProfileChromeOS> weak_ptr_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(BluetoothAdapterProfileChromeOS);
+};
+
+}  // namespace chromeos
+
+#endif