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/*
* Copyright © 2017-2019 WireGuard LLC. All Rights Reserved.
* SPDX-License-Identifier: Apache-2.0
*/
package com.wireguard.android.fragment;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.View;
import android.view.ViewGroup;
import com.wireguard.android.R;
import com.wireguard.android.backend.Tunnel.State;
import com.wireguard.android.databinding.TunnelDetailFragmentBinding;
import com.wireguard.android.databinding.TunnelDetailPeerBinding;
import com.wireguard.android.model.ObservableTunnel;
import com.wireguard.android.ui.EdgeToEdge;
import com.wireguard.crypto.Key;
import com.wireguard.util.NonNullForAll;
import java.util.Timer;
import java.util.TimerTask;
import androidx.annotation.Nullable;
import androidx.databinding.DataBindingUtil;
/**
* Fragment that shows details about a specific tunnel.
*/
@NonNullForAll
public class TunnelDetailFragment extends BaseFragment {
@Nullable private TunnelDetailFragmentBinding binding;
@Nullable private Timer timer;
@Nullable private State lastState = State.TOGGLE;
@Override
public void onCreate(@Nullable final Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setHasOptionsMenu(true);
}
@Override
public void onCreateOptionsMenu(final Menu menu, final MenuInflater inflater) {
inflater.inflate(R.menu.tunnel_detail, menu);
}
@Override
public void onStop() {
super.onStop();
if (timer != null) {
timer.cancel();
timer = null;
}
}
@Override
public void onResume() {
super.onResume();
timer = new Timer();
timer.scheduleAtFixedRate(new TimerTask() {
@Override
public void run() {
updateStats();
}
}, 0, 1000);
}
@Override
public View onCreateView(final LayoutInflater inflater, @Nullable final ViewGroup container,
@Nullable final Bundle savedInstanceState) {
super.onCreateView(inflater, container, savedInstanceState);
binding = TunnelDetailFragmentBinding.inflate(inflater, container, false);
binding.executePendingBindings();
EdgeToEdge.setUpRoot((ViewGroup) binding.getRoot());
EdgeToEdge.setUpScrollingContent((ViewGroup) binding.getRoot(), null);
return binding.getRoot();
}
@Override
public void onDestroyView() {
binding = null;
super.onDestroyView();
}
@Override
public void onSelectedTunnelChanged(@Nullable final ObservableTunnel oldTunnel, @Nullable final ObservableTunnel newTunnel) {
if (binding == null)
return;
binding.setTunnel(newTunnel);
if (newTunnel == null)
binding.setConfig(null);
else
newTunnel.getConfigAsync().thenAccept(binding::setConfig);
lastState = State.TOGGLE;
updateStats();
}
@Override
public void onViewStateRestored(@Nullable final Bundle savedInstanceState) {
if (binding == null) {
return;
}
binding.setFragment(this);
onSelectedTunnelChanged(null, getSelectedTunnel());
super.onViewStateRestored(savedInstanceState);
}
private String formatBytes(final long bytes) {
if (bytes < 1024)
return requireContext().getString(R.string.transfer_bytes, bytes);
else if (bytes < 1024*1024)
return requireContext().getString(R.string.transfer_kibibytes, bytes/1024.0);
else if (bytes < 1024*1024*1024)
return requireContext().getString(R.string.transfer_mibibytes, bytes/(1024.0*1024.0));
else if (bytes < 1024*1024*1024*1024)
return requireContext().getString(R.string.transfer_gibibytes, bytes/(1024.0*1024.0*1024.0));
return requireContext().getString(R.string.transfer_tibibytes, bytes/(1024.0*1024.0*1024.0)/1024.0);
}
private void updateStats() {
if (binding == null || !isResumed())
return;
final ObservableTunnel tunnel = binding.getTunnel();
if (tunnel == null)
return;
final State state = tunnel.getState();
if (state != State.UP && lastState == state)
return;
lastState = state;
tunnel.getStatisticsAsync().whenComplete((statistics, throwable) -> {
if (throwable != null) {
for (int i = 0; i < binding.peersLayout.getChildCount(); ++i) {
final TunnelDetailPeerBinding peer = DataBindingUtil.getBinding(binding.peersLayout.getChildAt(i));
if (peer == null)
continue;
peer.transferLabel.setVisibility(View.GONE);
peer.transferText.setVisibility(View.GONE);
}
return;
}
for (int i = 0; i < binding.peersLayout.getChildCount(); ++i) {
final TunnelDetailPeerBinding peer = DataBindingUtil.getBinding(binding.peersLayout.getChildAt(i));
if (peer == null)
continue;
final Key publicKey = peer.getItem().getPublicKey();
final long rx = statistics.peerRx(publicKey);
final long tx = statistics.peerTx(publicKey);
if (rx == 0 && tx == 0) {
peer.transferLabel.setVisibility(View.GONE);
peer.transferText.setVisibility(View.GONE);
continue;
}
peer.transferText.setText(requireContext().getString(R.string.transfer_rx_tx, formatBytes(rx), formatBytes(tx)));
peer.transferLabel.setVisibility(View.VISIBLE);
peer.transferText.setVisibility(View.VISIBLE);
}
});
}
}
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