99 lines
3.7 KiB
Java
99 lines
3.7 KiB
Java
/*
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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: GPL-2.0-or-later
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*/
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package com.wireguard.android.activity;
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import android.content.pm.PackageManager;
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import android.os.Bundle;
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import android.support.annotation.NonNull;
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import android.support.v4.app.ActivityCompat;
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import android.support.v7.app.AppCompatActivity;
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import android.support.v7.preference.Preference;
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import android.support.v7.preference.PreferenceFragmentCompat;
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import android.view.MenuItem;
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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.backend.WgQuickBackend;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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/**
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* Interface for changing application-global persistent settings.
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*/
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public class SettingsActivity extends AppCompatActivity {
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private final Map<Integer, PermissionRequestCallback> permissionRequestCallbacks = new HashMap<>();
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private int permissionRequestCounter;
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public void ensurePermissions(final String[] permissions, final PermissionRequestCallback cb) {
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final List<String> needPermissions = new ArrayList<>(permissions.length);
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for (final String permission : permissions) {
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if (ActivityCompat.checkSelfPermission(this, permission) != PackageManager.PERMISSION_GRANTED)
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needPermissions.add(permission);
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}
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if (needPermissions.isEmpty()) {
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final int[] granted = new int[permissions.length];
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Arrays.fill(granted, PackageManager.PERMISSION_GRANTED);
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cb.done(permissions, granted);
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return;
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}
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final int idx = permissionRequestCounter++;
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permissionRequestCallbacks.put(idx, cb);
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ActivityCompat.requestPermissions(this, needPermissions.toArray(new String[needPermissions.size()]), idx);
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}
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@Override
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protected void onCreate(final Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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if (getSupportFragmentManager().findFragmentById(android.R.id.content) == null) {
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getSupportFragmentManager().beginTransaction()
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.add(android.R.id.content, new SettingsFragment())
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.commit();
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}
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}
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@Override
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public boolean onOptionsItemSelected(final MenuItem item) {
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switch (item.getItemId()) {
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case android.R.id.home:
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finish();
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return true;
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default:
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return super.onOptionsItemSelected(item);
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}
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}
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@Override
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public void onRequestPermissionsResult(final int requestCode, @NonNull final String[] permissions, @NonNull final int[] grantResults) {
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final PermissionRequestCallback f = permissionRequestCallbacks.get(requestCode);
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if (f != null) {
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permissionRequestCallbacks.remove(requestCode);
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f.done(permissions, grantResults);
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}
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}
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public interface PermissionRequestCallback {
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void done(String[] permissions, int[] grantResults);
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}
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public static class SettingsFragment extends PreferenceFragmentCompat {
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@Override
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public void onCreatePreferences(final Bundle savedInstanceState, final String key) {
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addPreferencesFromResource(R.xml.preferences);
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if (Application.getComponent().getBackendType() != WgQuickBackend.class) {
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final Preference toolsInstaller =
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getPreferenceManager().findPreference("tools_installer");
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getPreferenceScreen().removePreference(toolsInstaller);
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}
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}
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}
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}
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