You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
76 lines
2.6 KiB
76 lines
2.6 KiB
4 months ago
|
//
|
||
|
|
// Copyright 2015 Google, Inc.
|
||
|
|
//
|
||
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
// you may not use this file except in compliance with the License.
|
||
|
|
// You may obtain a copy of the License at:
|
||
|
|
//
|
||
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
//
|
||
|
|
// Unless required by applicable law or agreed to in writing, software
|
||
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
// See the License for the specific language governing permissions and
|
||
|
|
// limitations under the License.
|
||
|
|
//
|
||
|
|
|
||
|
|
#pragma once
|
||
|
|
|
||
|
|
#include <functional>
|
||
|
|
#include <memory>
|
||
|
|
|
||
|
|
#include <base/macros.h>
|
||
|
|
#include <bluetooth/uuid.h>
|
||
|
|
|
||
|
|
#include "service/common/bluetooth/low_energy_constants.h"
|
||
|
|
|
||
|
|
namespace bluetooth {
|
||
|
|
|
||
|
|
// A BluetoothInstance represents an application's handle to an instance
|
||
|
|
// that is registered with the underlying Bluetooth stack using a Uuid and has a
|
||
|
|
// stack-assigned integer "instance_id" ID associated with it.
|
||
|
|
class BluetoothInstance {
|
||
|
|
public:
|
||
|
|
virtual ~BluetoothInstance() = default;
|
||
|
|
|
||
|
|
// Returns the app-specific unique ID used while registering this instance.
|
||
|
|
virtual const Uuid& GetAppIdentifier() const = 0;
|
||
|
|
|
||
|
|
// Returns the HAL "interface ID" assigned to this instance by the stack.
|
||
|
|
virtual int GetInstanceId() const = 0;
|
||
|
|
|
||
|
|
protected:
|
||
|
|
// Constructor shouldn't be called directly as instances are meant to be
|
||
|
|
// obtained from the factory.
|
||
|
|
BluetoothInstance() = default;
|
||
|
|
|
||
|
|
private:
|
||
|
|
DISALLOW_COPY_AND_ASSIGN(BluetoothInstance);
|
||
|
|
};
|
||
|
|
|
||
|
|
// A BluetoothInstanceFactory provides a common interface for factory
|
||
|
|
// classes that handle asynchronously registering a per-application instance of
|
||
|
|
// a BluetoothInstance with the underlying stack.
|
||
|
|
class BluetoothInstanceFactory {
|
||
|
|
public:
|
||
|
|
BluetoothInstanceFactory() = default;
|
||
|
|
virtual ~BluetoothInstanceFactory() = default;
|
||
|
|
|
||
|
|
// Callback invoked as a result of a call to RegisterInstance.
|
||
|
|
using RegisterCallback =
|
||
|
|
std::function<void(BLEStatus status, const Uuid& app_uuid,
|
||
|
|
std::unique_ptr<BluetoothInstance> instance)>;
|
||
|
|
|
||
|
|
// Registers an instance for the given unique identifier |app_uuid|.
|
||
|
|
// On success, this asynchronously invokes |callback| with a unique pointer
|
||
|
|
// to a BluetoothInstance whose ownership can be taken by the caller. In
|
||
|
|
// the case of an error, the pointer will contain nullptr.
|
||
|
|
virtual bool RegisterInstance(const Uuid& app_uuid,
|
||
|
|
const RegisterCallback& callback) = 0;
|
||
|
|
|
||
|
|
private:
|
||
|
|
DISALLOW_COPY_AND_ASSIGN(BluetoothInstanceFactory);
|
||
|
|
};
|
||
|
|
|
||
|
|
} // namespace bluetooth
|