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/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.settings;
import android.app.settings.SettingsEnums;
import android.content.Intent;
import android.os.Bundle;
import android.os.RemoteException;
import android.security.IKeyChainService;
import android.view.View;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.fragment.app.Fragment;
import androidx.viewpager2.adapter.FragmentStateAdapter;
import androidx.viewpager2.widget.ViewPager2;
import com.android.settings.dashboard.DashboardFragment;
import com.google.android.material.tabs.TabLayout;
import com.google.android.material.tabs.TabLayoutMediator;
import com.google.common.collect.ImmutableList;
import java.util.List;
/**
* Main fragment to display trusted credentials settings.
*/
public class TrustedCredentialsSettings extends DashboardFragment {
private static final String TAG = "TrustedCredentialsSettings";
public static final String ARG_SHOW_NEW_FOR_USER = "ARG_SHOW_NEW_FOR_USER";
static final ImmutableList<Tab> TABS = ImmutableList.of(Tab.SYSTEM, Tab.USER);
private static final String USER_ACTION = "com.android.settings.TRUSTED_CREDENTIALS_USER";
@Override
public int getMetricsCategory() {
return SettingsEnums.TRUSTED_CREDENTIALS;
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
getActivity().setTitle(R.string.trusted_credentials);
}
@Override
protected int getPreferenceScreenResId() {
return R.xml.placeholder_preference_screen;
}
@Override
protected String getLogTag() {
return TAG;
}
@Override
public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
View tabContainer = view.findViewById(R.id.tab_container);
tabContainer.setVisibility(View.VISIBLE);
ViewPager2 viewPager = tabContainer.findViewById(R.id.view_pager);
viewPager.setAdapter(new FragmentAdapter(this));
viewPager.setUserInputEnabled(false);
Intent intent = getActivity().getIntent();
if (intent != null && USER_ACTION.equals(intent.getAction())) {
viewPager.setCurrentItem(TABS.indexOf(Tab.USER), false);
}
TabLayout tabLayout = tabContainer.findViewById(R.id.tabs);
new TabLayoutMediator(tabLayout, viewPager, false, false,
(tab, position) -> tab.setText(TABS.get(position).mLabel)).attach();
}
private static class FragmentAdapter extends FragmentStateAdapter {
FragmentAdapter(Fragment fragment) {
super(fragment);
}
@NonNull
@Override
public Fragment createFragment(int position) {
TrustedCredentialsFragment fragment = new TrustedCredentialsFragment();
Bundle args = new Bundle();
args.putInt(TrustedCredentialsFragment.ARG_POSITION, position);
fragment.setArguments(args);
return fragment;
}
@Override
public int getItemCount() {
return TrustedCredentialsSettings.TABS.size();
}
}
enum Tab {
SYSTEM(R.string.trusted_credentials_system_tab, true),
USER(R.string.trusted_credentials_user_tab, false);
private final int mLabel;
final boolean mSwitch;
Tab(int label, boolean withSwitch) {
mLabel = label;
mSwitch = withSwitch;
}
List<String> getAliases(IKeyChainService service) throws RemoteException {
switch (this) {
case SYSTEM: {
return service.getSystemCaAliases().getList();
}
case USER:
return service.getUserCaAliases().getList();
}
throw new AssertionError();
}
boolean deleted(IKeyChainService service, String alias) throws RemoteException {
switch (this) {
case SYSTEM:
return !service.containsCaAlias(alias);
case USER:
return false;
}
throw new AssertionError();
}
}
}
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