kdeconnect-kde/core/backends/bluetooth/bluetoothpairinghandler.cpp
2019-03-23 17:29:26 +01:00

152 lines
4.6 KiB
C++

/**
* Copyright 2015 Vineet Garg <grg.vineet@gmail.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License or (at your option) version 3 or any later version
* accepted by the membership of KDE e.V. (or its successor approved
* by the membership of KDE e.V.), which shall act as a proxy
* defined in Section 14 of version 3 of the license.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "bluetoothpairinghandler.h"
#include <KLocalizedString>
#include "core_debug.h"
#include "daemon.h"
#include "kdeconnectconfig.h"
#include "networkpackettypes.h"
BluetoothPairingHandler::BluetoothPairingHandler(DeviceLink* deviceLink)
: PairingHandler(deviceLink)
, m_status(NotPaired)
{
m_pairingTimeout.setSingleShot(true);
m_pairingTimeout.setInterval(pairingTimeoutMsec());
connect(&m_pairingTimeout, &QTimer::timeout, this, &BluetoothPairingHandler::pairingTimeout);
}
void BluetoothPairingHandler::packetReceived(const NetworkPacket& np)
{
qCDebug(KDECONNECT_CORE) << "Pairing packet received!" << np.serialize();
m_pairingTimeout.stop();
bool wantsPair = np.get<bool>("pair");
if (wantsPair) {
if (isPairRequested()) { //We started pairing
qCDebug(KDECONNECT_CORE) << "Pair answer";
setInternalPairStatus(Paired);
} else {
qCDebug(KDECONNECT_CORE) << "Pair request";
if (isPaired()) { //I'm already paired, but they think I'm not
acceptPairing();
return;
}
setInternalPairStatus(RequestedByPeer);
}
} else { //wantsPair == false
qCDebug(KDECONNECT_CORE) << "Unpair request";
setInternalPairStatus(NotPaired);
if (isPairRequested()) {
Q_EMIT pairingError(i18n("Canceled by other peer"));
}
}
}
bool BluetoothPairingHandler::requestPairing()
{
switch (m_status) {
case Paired:
Q_EMIT pairingError(i18n("%1: Already paired", deviceLink()->name()));
return false;
case Requested:
Q_EMIT pairingError(i18n("%1: Pairing already requested for this device", deviceLink()->name()));
return false;
case RequestedByPeer:
qCDebug(KDECONNECT_CORE) << deviceLink()->name() << " : Pairing already started by the other end, accepting their request.";
acceptPairing();
return false;
case NotPaired:
;
}
NetworkPacket np(PACKET_TYPE_PAIR);
np.set("pair", true);
bool success;
success = deviceLink()->sendPacket(np);
if (success) {
setInternalPairStatus(Requested);
m_pairingTimeout.start();
}
return success;
}
bool BluetoothPairingHandler::acceptPairing()
{
qCDebug(KDECONNECT_CORE) << "User accepts pairing";
m_pairingTimeout.stop(); // Just in case it is started
NetworkPacket np(PACKET_TYPE_PAIR);
np.set("pair", true);
bool success = deviceLink()->sendPacket(np);
if (success) {
setInternalPairStatus(Paired);
}
return success;
}
void BluetoothPairingHandler::rejectPairing()
{
qCDebug(KDECONNECT_CORE) << "User rejects pairing";
NetworkPacket np(PACKET_TYPE_PAIR);
np.set("pair", false);
deviceLink()->sendPacket(np);
setInternalPairStatus(NotPaired);
}
void BluetoothPairingHandler::unpair() {
NetworkPacket np(PACKET_TYPE_PAIR);
np.set("pair", false);
deviceLink()->sendPacket(np);
setInternalPairStatus(NotPaired);
}
void BluetoothPairingHandler::pairingTimeout()
{
NetworkPacket np(PACKET_TYPE_PAIR);
np.set("pair", false);
deviceLink()->sendPacket(np);
setInternalPairStatus(NotPaired); //Will emit the change as well
Q_EMIT pairingError(i18n("Timed out"));
}
void BluetoothPairingHandler::setInternalPairStatus(BluetoothPairingHandler::InternalPairStatus status)
{
m_status = status;
if (status == Paired) {
deviceLink()->setPairStatus(DeviceLink::Paired);
} else if (status == NotPaired){
deviceLink()->setPairStatus(DeviceLink::NotPaired);
} else if (status == RequestedByPeer) {
Q_EMIT deviceLink()->pairingRequest(this);
}
}