Request VPN permissions on activation
Signed-off-by: Eric Kuck <eric@bluelinelabs.com>
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@ -25,7 +25,7 @@ import com.wireguard.android.util.ToolsInstaller;
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import java.io.File;
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import java.lang.ref.WeakReference;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Collection;
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import java.util.concurrent.Executor;
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public class Application extends android.app.Application {
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@ -37,7 +37,7 @@ public class Application extends android.app.Application {
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private ToolsInstaller toolsInstaller;
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private TunnelManager tunnelManager;
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private Handler handler;
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private List<BackendCallback> haveBackendCallbacks = new ArrayList<>();
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private Collection<BackendCallback> haveBackendCallbacks = new ArrayList<>();
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private final Object haveBackendCallbacksLock = new Object();
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public Application() {
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@ -6,13 +6,11 @@
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package com.wireguard.android.activity;
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import android.content.Intent;
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import android.databinding.CallbackRegistry;
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import android.databinding.CallbackRegistry.NotifierCallback;
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import android.os.Bundle;
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import com.wireguard.android.Application;
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import com.wireguard.android.backend.GoBackend;
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import com.wireguard.android.model.Tunnel;
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import com.wireguard.android.model.TunnelManager;
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@ -52,14 +50,6 @@ public abstract class BaseActivity extends ThemeChangeAwareActivity {
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// The selected tunnel must be set before the superclass method recreates fragments.
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super.onCreate(savedInstanceState);
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Application.onHaveBackend(backend -> {
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if (backend instanceof GoBackend) {
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final Intent intent = GoBackend.VpnService.prepare(this);
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if (intent != null)
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startActivityForResult(intent, 0);
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}
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});
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}
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@Override
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@ -14,7 +14,6 @@ import android.support.annotation.NonNull;
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import android.support.v7.widget.RecyclerView;
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import android.support.v7.widget.RecyclerView.Adapter;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import com.wireguard.android.BR;
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@ -78,7 +77,7 @@ public class ObservableKeyedRecyclerViewAdapter<K, E extends Keyed<? extends K>>
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holder.binding.executePendingBindings();
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if (rowConfigurationHandler != null) {
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rowConfigurationHandler.onConfigureRow(holder.binding.getRoot(), getItem(position), position);
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rowConfigurationHandler.onConfigureRow(holder.binding, getItem(position), position);
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}
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}
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@ -149,8 +148,8 @@ public class ObservableKeyedRecyclerViewAdapter<K, E extends Keyed<? extends K>>
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}
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}
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public interface RowConfigurationHandler<T> {
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void onConfigureRow(View view, T item, int position);
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public interface RowConfigurationHandler<B extends ViewDataBinding, T> {
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void onConfigureRow(B binding, T item, int position);
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}
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}
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@ -7,11 +7,25 @@
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package com.wireguard.android.fragment;
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import android.content.Context;
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import android.content.Intent;
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import android.databinding.DataBindingUtil;
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import android.databinding.ViewDataBinding;
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import android.support.annotation.NonNull;
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import android.support.design.widget.Snackbar;
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import android.support.v4.app.Fragment;
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import android.util.Log;
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import android.view.View;
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import com.wireguard.android.Application;
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import com.wireguard.android.R;
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import com.wireguard.android.activity.BaseActivity;
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import com.wireguard.android.activity.BaseActivity.OnSelectedTunnelChangedListener;
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import com.wireguard.android.backend.GoBackend;
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import com.wireguard.android.databinding.TunnelDetailFragmentBinding;
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import com.wireguard.android.databinding.TunnelListItemBinding;
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import com.wireguard.android.model.Tunnel;
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import com.wireguard.android.model.Tunnel.State;
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import com.wireguard.android.util.ExceptionLoggers;
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/**
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* Base class for fragments that need to know the currently-selected tunnel. Only does anything when
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@ -19,7 +33,12 @@ import com.wireguard.android.model.Tunnel;
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*/
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public abstract class BaseFragment extends Fragment implements OnSelectedTunnelChangedListener {
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private static final String TAG = "WireGuard/" + BaseFragment.class.getSimpleName();
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private static final int REQUEST_CODE_VPN_PERMISSION = 23491;
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private BaseActivity activity;
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private Tunnel pendingTunnel;
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private Boolean pendingTunnelUp;
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protected Tunnel getSelectedTunnel() {
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return activity != null ? activity.getSelectedTunnel() : null;
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@ -44,8 +63,64 @@ public abstract class BaseFragment extends Fragment implements OnSelectedTunnelC
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super.onDetach();
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}
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@Override
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public void onActivityResult(int requestCode, int resultCode, Intent data) {
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super.onActivityResult(requestCode, resultCode, data);
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if (requestCode == REQUEST_CODE_VPN_PERMISSION) {
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if (pendingTunnel != null && pendingTunnelUp != null)
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setTunnelStateWithPermissionsResult(pendingTunnel, pendingTunnelUp);
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pendingTunnel = null;
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pendingTunnelUp = null;
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}
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}
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protected void setSelectedTunnel(final Tunnel tunnel) {
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if (activity != null)
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activity.setSelectedTunnel(tunnel);
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}
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public void setTunnelState(final View view, final boolean checked) {
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final ViewDataBinding binding = DataBindingUtil.findBinding(view);
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final Tunnel tunnel;
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if (binding instanceof TunnelDetailFragmentBinding)
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tunnel = ((TunnelDetailFragmentBinding) binding).getTunnel();
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else if (binding instanceof TunnelListItemBinding)
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tunnel = ((TunnelListItemBinding) binding).getItem();
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else
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return;
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Application.onHaveBackend(backend -> {
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if (backend instanceof GoBackend) {
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final Intent intent = GoBackend.VpnService.prepare(view.getContext());
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if (intent != null) {
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pendingTunnel = tunnel;
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pendingTunnelUp = checked;
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startActivityForResult(intent, REQUEST_CODE_VPN_PERMISSION);
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return;
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}
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}
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setTunnelStateWithPermissionsResult(tunnel, checked);
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});
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}
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private void setTunnelStateWithPermissionsResult(@NonNull final Tunnel tunnel, final boolean checked) {
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tunnel.setState(State.of(checked)).whenComplete((state, throwable) -> {
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if (throwable == null)
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return;
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final View view = getView();
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if (view == null) {
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Log.e(TAG, "setTunnelStateWithPermissionsResult() with no view");
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return;
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}
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final Context context = view.getContext();
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final String error = ExceptionLoggers.unwrapMessage(throwable);
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final int messageResId = checked ? R.string.error_up : R.string.error_down;
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final String message = context.getString(messageResId, error);
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Snackbar.make(view, message, Snackbar.LENGTH_LONG).show();
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Log.e(TAG, message, throwable);
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});
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}
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}
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@ -1,58 +0,0 @@
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/*
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* Copyright © 2018 Samuel Holland <samuel@sholland.org>
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* Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
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* SPDX-License-Identifier: Apache-2.0
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*/
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package com.wireguard.android.fragment;
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import android.content.Context;
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import android.databinding.DataBindingUtil;
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import android.databinding.ViewDataBinding;
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import android.support.design.widget.Snackbar;
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import android.util.Log;
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import android.view.View;
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import com.wireguard.android.R;
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import com.wireguard.android.databinding.TunnelDetailFragmentBinding;
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import com.wireguard.android.databinding.TunnelListItemBinding;
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import com.wireguard.android.model.Tunnel;
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import com.wireguard.android.model.Tunnel.State;
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import com.wireguard.android.util.ExceptionLoggers;
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/**
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* Helper method shared by TunnelListFragment and TunnelDetailFragment.
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*/
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public final class TunnelController {
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private static final String TAG = "WireGuard/" + TunnelController.class.getSimpleName();
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private TunnelController() {
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// Prevent instantiation.
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}
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public static void setTunnelState(final View view, final boolean checked) {
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final ViewDataBinding binding = DataBindingUtil.findBinding(view);
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final Tunnel tunnel;
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if (binding instanceof TunnelDetailFragmentBinding)
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tunnel = ((TunnelDetailFragmentBinding) binding).getTunnel();
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else if (binding instanceof TunnelListItemBinding)
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tunnel = ((TunnelListItemBinding) binding).getItem();
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else
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tunnel = null;
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if (tunnel == null) {
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Log.e(TAG, "setChecked() from a null tunnel", new IllegalStateException("No tunnel"));
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return;
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}
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tunnel.setState(State.of(checked)).whenComplete((state, throwable) -> {
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if (throwable == null)
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return;
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final Context context = view.getContext();
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final String error = ExceptionLoggers.unwrapMessage(throwable);
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final int messageResId = checked ? R.string.error_up : R.string.error_down;
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final String message = context.getString(messageResId, error);
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Snackbar.make(view, message, Snackbar.LENGTH_LONG).show();
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Log.e(TAG, message, throwable);
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});
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}
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}
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@ -69,7 +69,9 @@ public class TunnelDetailFragment extends BaseFragment {
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@Override
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public void onViewStateRestored(final Bundle savedInstanceState) {
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binding.setFragment(this);
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onSelectedTunnelChanged(null, getSelectedTunnel());
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super.onViewStateRestored(savedInstanceState);
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}
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}
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@ -32,8 +32,10 @@ import com.wireguard.android.R;
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import com.wireguard.android.activity.TunnelCreatorActivity;
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import com.wireguard.android.databinding.ObservableKeyedRecyclerViewAdapter;
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import com.wireguard.android.databinding.TunnelListFragmentBinding;
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import com.wireguard.android.databinding.TunnelListItemBinding;
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import com.wireguard.android.model.Tunnel;
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import com.wireguard.android.util.ExceptionLoggers;
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import com.wireguard.android.widget.ToggleSwitch;
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import com.wireguard.config.Config;
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import java.io.BufferedReader;
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@ -269,23 +271,21 @@ public class TunnelListFragment extends BaseFragment {
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super.onViewStateRestored(savedInstanceState);
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binding.setFragment(this);
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binding.setTunnels(Application.getTunnelManager().getTunnels());
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binding.setRowConfigurationHandler(new ObservableKeyedRecyclerViewAdapter.RowConfigurationHandler<Tunnel>() {
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@Override
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public void onConfigureRow(View view, Tunnel tunnel, int position) {
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view.setOnClickListener(clicked -> {
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if (actionMode == null) {
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setSelectedTunnel(tunnel);
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} else {
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actionModeListener.toggleItemChecked(position);
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}
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});
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view.setOnLongClickListener(clicked -> {
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binding.setRowConfigurationHandler((ObservableKeyedRecyclerViewAdapter.RowConfigurationHandler<TunnelListItemBinding, Tunnel>) (binding, tunnel, position) -> {
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binding.setFragment(this);
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binding.getRoot().setOnClickListener(clicked -> {
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if (actionMode == null) {
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setSelectedTunnel(tunnel);
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} else {
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actionModeListener.toggleItemChecked(position);
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return true;
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});
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}
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});
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binding.getRoot().setOnLongClickListener(clicked -> {
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actionModeListener.toggleItemChecked(position);
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return true;
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});
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view.setActivated(actionModeListener.checkedItems.contains(position));
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}
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binding.getRoot().setActivated(actionModeListener.checkedItems.contains(position));
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});
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}
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@ -5,12 +5,14 @@
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<data>
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<import type="com.wireguard.android.fragment.TunnelController" />
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<import type="com.wireguard.android.model.Tunnel.State" />
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<import type="com.wireguard.android.util.ClipboardUtils" />
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<variable
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name="fragment"
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type="com.wireguard.android.fragment.TunnelDetailFragment" />
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<variable
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name="tunnel"
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type="com.wireguard.android.model.Tunnel" />
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@ -63,7 +65,7 @@
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android:layout_alignBaseline="@+id/interface_title"
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android:layout_alignParentEnd="true"
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app:checked="@{tunnel.state == State.UP}"
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app:onBeforeCheckedChanged="@{TunnelController::setTunnelState}" />
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app:onBeforeCheckedChanged="@{fragment::setTunnelState}" />
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<TextView
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android:id="@+id/interface_name_label"
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@ -4,8 +4,6 @@
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<data>
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<import type="com.wireguard.android.fragment.TunnelController" />
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<import type="com.wireguard.android.model.Tunnel" />
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<import type="com.wireguard.android.model.Tunnel.State" />
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@ -21,6 +19,10 @@
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<variable
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name="item"
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type="com.wireguard.android.model.Tunnel" />
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<variable
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name="fragment"
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type="com.wireguard.android.fragment.TunnelListFragment" />
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</data>
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<RelativeLayout
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@ -49,6 +51,6 @@
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android:layout_alignBaseline="@+id/tunnel_name"
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android:layout_alignParentEnd="true"
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app:checked="@{item.state == State.UP}"
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app:onBeforeCheckedChanged="@{TunnelController::setTunnelState}" />
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app:onBeforeCheckedChanged="@{fragment::setTunnelState}" />
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</RelativeLayout>
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</layout>
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