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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROMECAST_DEVICE_BLUETOOTH_LE_REMOTE_DESCRIPTOR_H_
#define CHROMECAST_DEVICE_BLUETOOTH_LE_REMOTE_DESCRIPTOR_H_
#include <map>
#include <memory>
#include <vector>
#include "base/functional/callback.h"
#include "base/memory/ref_counted.h"
#include "chromecast/device/bluetooth/le/ble_types.h"
#include "chromecast/public/bluetooth/gatt.h"
namespace chromecast {
namespace bluetooth {
class RemoteDevice;
class RemoteDescriptor;
// A proxy for a remote descriptor on a RemoteDevice. Unless otherwise
// specified, all callbacks are run on the caller's thread.
class RemoteDescriptor : public base::RefCountedThreadSafe<RemoteDescriptor> {
public:
static constexpr uint8_t kEnableNotificationValue[] = {0x01, 0x00};
static constexpr uint8_t kEnableIndicationValue[] = {0x02, 0x00};
static constexpr uint8_t kDisableNotificationValue[] = {0x00, 0x00};
static const bluetooth_v2_shlib::Uuid kCccdUuid;
using ReadCallback =
base::OnceCallback<void(bool, const std::vector<uint8_t>&)>;
using StatusCallback = base::OnceCallback<void(bool)>;
RemoteDescriptor(const RemoteDescriptor&) = delete;
RemoteDescriptor& operator=(const RemoteDescriptor&) = delete;
// Read the descriptor with |auth_req|. When completed, |callback| will be
// called.
virtual void ReadAuth(bluetooth_v2_shlib::Gatt::Client::AuthReq auth_req,
ReadCallback callback) = 0;
// Read the descriptor. When completed, |callback| will be called.
virtual void Read(ReadCallback callback) = 0;
// Write |value| to the descriptor with |auth_req|. When completed, |callback|
// will be called.
virtual void WriteAuth(bluetooth_v2_shlib::Gatt::Client::AuthReq auth_req,
const std::vector<uint8_t>& value,
StatusCallback callback) = 0;
// Write |value| to the descriptor. Will retry if auth_req isn't met. When
// completed, |callback| will be called.
virtual void Write(const std::vector<uint8_t>& value,
StatusCallback callback) = 0;
virtual const bluetooth_v2_shlib::Uuid uuid() const = 0;
virtual HandleId handle() const = 0;
virtual bluetooth_v2_shlib::Gatt::Permissions permissions() const = 0;
protected:
friend class base::RefCountedThreadSafe<RemoteDescriptor>;
RemoteDescriptor() = default;
virtual ~RemoteDescriptor() = default;
};
} // namespace bluetooth
} // namespace chromecast
#endif // CHROMECAST_DEVICE_BLUETOOTH_LE_REMOTE_DESCRIPTOR_H_