/*
* Copyright 2014 Albert Vaca Cintora <albertvaka@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 <http://www.gnu.org/licenses/>.
*/
package org.kde.kdeconnect.Backends;
import android.content.Context;
import org.kde.kdeconnect.Device;
import org.kde.kdeconnect.NetworkPackage;
import java.security.PrivateKey;
import java.security.PublicKey;
import java.util.ArrayList;
public abstract class BaseLink {
protected final Context context;
public interface PackageReceiver {
void onPackageReceived(NetworkPackage np);
}
private final BaseLinkProvider linkProvider;
private final String deviceId;
private final ArrayList<PackageReceiver> receivers = new ArrayList<>();
protected PrivateKey privateKey;
protected BaseLink(Context context, String deviceId, BaseLinkProvider linkProvider) {
this.context = context;
this.linkProvider = linkProvider;
this.deviceId = deviceId;
}
/* To be implemented by each link for pairing handlers */
public abstract String getName();
public abstract BasePairingHandler getPairingHandler(Device device, BasePairingHandler.PairingHandlerCallback callback);
public String getDeviceId() {
return deviceId;
}
public void setPrivateKey(PrivateKey key) {
privateKey = key;
}
public BaseLinkProvider getLinkProvider() {
return linkProvider;
}
//The daemon will periodically destroy unpaired links if this returns false
public boolean linkShouldBeKeptAlive() {
return false;
}
public void addPackageReceiver(PackageReceiver pr) {
receivers.add(pr);
}
public void removePackageReceiver(PackageReceiver pr) {
receivers.remove(pr);
}
//Should be called from a background thread listening to packages
protected void packageReceived(NetworkPackage np) {
for(PackageReceiver pr : receivers) {
pr.onPackageReceived(np);
}
}
public void disconnect() {
linkProvider.connectionLost(this);
}
//TO OVERRIDE, should be sync
public abstract boolean sendPackage(NetworkPackage np,Device.SendPackageStatusCallback callback);
@Deprecated
public abstract boolean sendPackageEncrypted(NetworkPackage np,Device.SendPackageStatusCallback callback, PublicKey key);
}