74 lines
3.1 KiB
Java
74 lines
3.1 KiB
Java
package com.wireguard.android.fragment;
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import android.app.AlertDialog;
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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.system.ErrnoException;
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import android.system.OsConstants;
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import android.text.Html;
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import android.text.method.LinkMovementMethod;
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import android.util.Log;
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import android.view.View;
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import android.widget.TextView;
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import com.commonsware.cwac.crossport.design.widget.Snackbar;
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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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if (throwable instanceof ErrnoException
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&& ((ErrnoException) throwable).errno == OsConstants.ENODEV) {
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final String message = context.getString(R.string.not_supported_message);
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final String title = context.getString(R.string.not_supported_title);
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final AlertDialog dialog = new AlertDialog.Builder(context)
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.setMessage(Html.fromHtml(message))
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.setPositiveButton(R.string.ok, null)
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.setTitle(title)
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.show();
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// Make links work.
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((TextView) dialog.findViewById(android.R.id.message))
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.setMovementMethod(LinkMovementMethod.getInstance());
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Log.e(TAG, title, throwable);
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} else {
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final String error = ExceptionLoggers.unwrap(throwable).getMessage();
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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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}
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