| /* |
| * Copyright (C) 2018 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.security.trustagent; |
| |
| import android.content.Context; |
| import android.os.UserHandle; |
| |
| import androidx.annotation.VisibleForTesting; |
| import androidx.preference.Preference; |
| |
| import com.android.internal.widget.LockPatternUtils; |
| import com.android.settings.R; |
| import com.android.settings.core.BasePreferenceController; |
| import com.android.settings.overlay.FeatureFactory; |
| import com.android.settings.security.SecurityFeatureProvider; |
| |
| public class ManageTrustAgentsPreferenceController extends BasePreferenceController { |
| |
| @VisibleForTesting |
| static final String KEY_MANAGE_TRUST_AGENTS = "manage_trust_agents"; |
| private static final int MY_USER_ID = UserHandle.myUserId(); |
| |
| private final LockPatternUtils mLockPatternUtils; |
| private TrustAgentManager mTrustAgentManager; |
| |
| public ManageTrustAgentsPreferenceController(Context context) { |
| super(context, KEY_MANAGE_TRUST_AGENTS); |
| final SecurityFeatureProvider securityFeatureProvider = FeatureFactory.getFactory(context) |
| .getSecurityFeatureProvider(); |
| mLockPatternUtils = securityFeatureProvider.getLockPatternUtils(context); |
| mTrustAgentManager = securityFeatureProvider.getTrustAgentManager(); |
| } |
| |
| @Override |
| public int getAvailabilityStatus() { |
| return mContext.getResources().getBoolean(R.bool.config_show_manage_trust_agents) |
| ? AVAILABLE : UNSUPPORTED_ON_DEVICE; |
| } |
| |
| @Override |
| public void updateState(Preference preference) { |
| final int numberOfTrustAgent = getTrustAgentCount(); |
| if (!mLockPatternUtils.isSecure(MY_USER_ID)) { |
| preference.setEnabled(false); |
| preference.setSummary(R.string.disabled_because_no_backup_security); |
| } else if (numberOfTrustAgent > 0) { |
| preference.setEnabled(true); |
| preference.setSummary(mContext.getResources().getQuantityString( |
| R.plurals.manage_trust_agents_summary_on, |
| numberOfTrustAgent, numberOfTrustAgent)); |
| } else { |
| preference.setEnabled(true); |
| preference.setSummary(R.string.manage_trust_agents_summary); |
| } |
| } |
| |
| private int getTrustAgentCount() { |
| return mTrustAgentManager.getActiveTrustAgents(mContext, mLockPatternUtils).size(); |
| } |
| } |