264 lines
11 KiB
Java
264 lines
11 KiB
Java
/*
|
|
* Copyright (C) 2017 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;
|
|
|
|
import static android.provider.Settings.System.SCREEN_OFF_TIMEOUT;
|
|
|
|
import android.app.admin.DevicePolicyManager;
|
|
import android.content.Context;
|
|
import android.content.Intent;
|
|
import android.os.Bundle;
|
|
import android.os.UserHandle;
|
|
import android.provider.Settings;
|
|
import android.support.v14.preference.SwitchPreference;
|
|
import android.support.v7.preference.Preference;
|
|
import android.support.v7.preference.PreferenceScreen;
|
|
import android.text.TextUtils;
|
|
import android.util.Log;
|
|
|
|
import com.android.internal.logging.nano.MetricsProto;
|
|
import com.android.internal.widget.LockPatternUtils;
|
|
import com.android.settings.R;
|
|
import com.android.settings.SettingsPreferenceFragment;
|
|
import com.android.settings.TimeoutListPreference;
|
|
import com.android.settings.overlay.FeatureFactory;
|
|
import com.android.settings.password.ManagedLockPasswordProvider;
|
|
import com.android.settings.security.trustagent.TrustAgentManager;
|
|
import com.android.settingslib.RestrictedLockUtils;
|
|
|
|
import java.util.ArrayList;
|
|
|
|
public class SecuritySubSettings extends SettingsPreferenceFragment
|
|
implements Preference.OnPreferenceChangeListener,
|
|
OwnerInfoPreferenceController.OwnerInfoCallback {
|
|
|
|
private static final String TAG = "SecuritySubSettings";
|
|
|
|
private static final String KEY_VISIBLE_PATTERN = "visiblepattern";
|
|
private static final String KEY_LOCK_AFTER_TIMEOUT = "lock_after_timeout";
|
|
private static final String KEY_POWER_INSTANTLY_LOCKS = "power_button_instantly_locks";
|
|
|
|
// These switch preferences need special handling since they're not all stored in Settings.
|
|
private static final String SWITCH_PREFERENCE_KEYS[] = {
|
|
KEY_LOCK_AFTER_TIMEOUT, KEY_VISIBLE_PATTERN, KEY_POWER_INSTANTLY_LOCKS};
|
|
private static final int MY_USER_ID = UserHandle.myUserId();
|
|
|
|
private TimeoutListPreference mLockAfter;
|
|
private SwitchPreference mVisiblePattern;
|
|
private SwitchPreference mPowerButtonInstantlyLocks;
|
|
|
|
private TrustAgentManager mTrustAgentManager;
|
|
private LockPatternUtils mLockPatternUtils;
|
|
private DevicePolicyManager mDPM;
|
|
private OwnerInfoPreferenceController mOwnerInfoPreferenceController;
|
|
|
|
@Override
|
|
public int getMetricsCategory() {
|
|
return MetricsProto.MetricsEvent.SECURITY;
|
|
}
|
|
|
|
@Override
|
|
public void onCreate(Bundle icicle) {
|
|
super.onCreate(icicle);
|
|
SecurityFeatureProvider securityFeatureProvider =
|
|
FeatureFactory.getFactory(getActivity()).getSecurityFeatureProvider();
|
|
mTrustAgentManager = securityFeatureProvider.getTrustAgentManager();
|
|
mLockPatternUtils = new LockPatternUtils(getContext());
|
|
mDPM = getContext().getSystemService(DevicePolicyManager.class);
|
|
mOwnerInfoPreferenceController =
|
|
new OwnerInfoPreferenceController(getContext(), this, null /* lifecycle */);
|
|
createPreferenceHierarchy();
|
|
}
|
|
|
|
@Override
|
|
public void onResume() {
|
|
super.onResume();
|
|
|
|
createPreferenceHierarchy();
|
|
|
|
if (mVisiblePattern != null) {
|
|
mVisiblePattern.setChecked(mLockPatternUtils.isVisiblePatternEnabled(MY_USER_ID));
|
|
}
|
|
if (mPowerButtonInstantlyLocks != null) {
|
|
mPowerButtonInstantlyLocks.setChecked(
|
|
mLockPatternUtils.getPowerButtonInstantlyLocks(MY_USER_ID));
|
|
}
|
|
|
|
mOwnerInfoPreferenceController.updateSummary();
|
|
}
|
|
|
|
@Override
|
|
public void onActivityResult(int requestCode, int resultCode, Intent data) {
|
|
super.onActivityResult(requestCode, resultCode, data);
|
|
|
|
createPreferenceHierarchy();
|
|
}
|
|
|
|
private void createPreferenceHierarchy() {
|
|
PreferenceScreen root = getPreferenceScreen();
|
|
if (root != null) {
|
|
root.removeAll();
|
|
}
|
|
|
|
final int resid = getResIdForLockUnlockSubScreen(new LockPatternUtils(getContext()),
|
|
ManagedLockPasswordProvider.get(getContext(), MY_USER_ID));
|
|
addPreferencesFromResource(resid);
|
|
|
|
// lock after preference
|
|
mLockAfter = (TimeoutListPreference) findPreference(KEY_LOCK_AFTER_TIMEOUT);
|
|
if (mLockAfter != null) {
|
|
setupLockAfterPreference();
|
|
updateLockAfterPreferenceSummary();
|
|
}
|
|
|
|
// visible pattern
|
|
mVisiblePattern = (SwitchPreference) findPreference(KEY_VISIBLE_PATTERN);
|
|
|
|
// lock instantly on power key press
|
|
mPowerButtonInstantlyLocks = (SwitchPreference) findPreference(
|
|
KEY_POWER_INSTANTLY_LOCKS);
|
|
CharSequence trustAgentLabel = getActiveTrustAgentLabel(getContext(),
|
|
mTrustAgentManager, mLockPatternUtils, mDPM);
|
|
if (mPowerButtonInstantlyLocks != null && !TextUtils.isEmpty(trustAgentLabel)) {
|
|
mPowerButtonInstantlyLocks.setSummary(getString(
|
|
R.string.lockpattern_settings_power_button_instantly_locks_summary,
|
|
trustAgentLabel));
|
|
}
|
|
|
|
mOwnerInfoPreferenceController.displayPreference(getPreferenceScreen());
|
|
mOwnerInfoPreferenceController.updateEnableState();
|
|
|
|
for (int i = 0; i < SWITCH_PREFERENCE_KEYS.length; i++) {
|
|
final Preference pref = findPreference(SWITCH_PREFERENCE_KEYS[i]);
|
|
if (pref != null) pref.setOnPreferenceChangeListener(this);
|
|
}
|
|
}
|
|
|
|
private void setupLockAfterPreference() {
|
|
// Compatible with pre-Froyo
|
|
long currentTimeout = Settings.Secure.getLong(getContentResolver(),
|
|
Settings.Secure.LOCK_SCREEN_LOCK_AFTER_TIMEOUT, 5000);
|
|
mLockAfter.setValue(String.valueOf(currentTimeout));
|
|
mLockAfter.setOnPreferenceChangeListener(this);
|
|
if (mDPM != null) {
|
|
final RestrictedLockUtils.EnforcedAdmin admin =
|
|
RestrictedLockUtils.checkIfMaximumTimeToLockIsSet(
|
|
getActivity());
|
|
final long adminTimeout = mDPM
|
|
.getMaximumTimeToLockForUserAndProfiles(UserHandle.myUserId());
|
|
final long displayTimeout = Math.max(0,
|
|
Settings.System.getInt(getContentResolver(), SCREEN_OFF_TIMEOUT, 0));
|
|
// This setting is a slave to display timeout when a device policy is enforced.
|
|
// As such, maxLockTimeout = adminTimeout - displayTimeout.
|
|
// If there isn't enough time, shows "immediately" setting.
|
|
final long maxTimeout = Math.max(0, adminTimeout - displayTimeout);
|
|
mLockAfter.removeUnusableTimeouts(maxTimeout, admin);
|
|
}
|
|
}
|
|
|
|
private void updateLockAfterPreferenceSummary() {
|
|
final String summary;
|
|
if (mLockAfter.isDisabledByAdmin()) {
|
|
summary = getString(R.string.disabled_by_policy_title);
|
|
} else {
|
|
// Update summary message with current value
|
|
long currentTimeout = Settings.Secure.getLong(getContentResolver(),
|
|
Settings.Secure.LOCK_SCREEN_LOCK_AFTER_TIMEOUT, 5000);
|
|
final CharSequence[] entries = mLockAfter.getEntries();
|
|
final CharSequence[] values = mLockAfter.getEntryValues();
|
|
int best = 0;
|
|
for (int i = 0; i < values.length; i++) {
|
|
long timeout = Long.valueOf(values[i].toString());
|
|
if (currentTimeout >= timeout) {
|
|
best = i;
|
|
}
|
|
}
|
|
|
|
CharSequence trustAgentLabel = getActiveTrustAgentLabel(getContext(),
|
|
mTrustAgentManager, mLockPatternUtils, mDPM);
|
|
if (!TextUtils.isEmpty(trustAgentLabel)) {
|
|
if (Long.valueOf(values[best].toString()) == 0) {
|
|
summary = getString(R.string.lock_immediately_summary_with_exception,
|
|
trustAgentLabel);
|
|
} else {
|
|
summary = getString(R.string.lock_after_timeout_summary_with_exception,
|
|
entries[best], trustAgentLabel);
|
|
}
|
|
} else {
|
|
summary = getString(R.string.lock_after_timeout_summary, entries[best]);
|
|
}
|
|
}
|
|
mLockAfter.setSummary(summary);
|
|
}
|
|
|
|
@Override
|
|
public void onOwnerInfoUpdated() {
|
|
mOwnerInfoPreferenceController.updateSummary();
|
|
}
|
|
|
|
static int getResIdForLockUnlockSubScreen(LockPatternUtils lockPatternUtils,
|
|
ManagedLockPasswordProvider managedPasswordProvider) {
|
|
if (lockPatternUtils.isSecure(MY_USER_ID)) {
|
|
switch (lockPatternUtils.getKeyguardStoredPasswordQuality(MY_USER_ID)) {
|
|
case DevicePolicyManager.PASSWORD_QUALITY_SOMETHING:
|
|
return R.xml.security_settings_pattern_sub;
|
|
case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC:
|
|
case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC_COMPLEX:
|
|
return R.xml.security_settings_pin_sub;
|
|
case DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC:
|
|
case DevicePolicyManager.PASSWORD_QUALITY_ALPHANUMERIC:
|
|
case DevicePolicyManager.PASSWORD_QUALITY_COMPLEX:
|
|
return R.xml.security_settings_password_sub;
|
|
case DevicePolicyManager.PASSWORD_QUALITY_MANAGED:
|
|
return managedPasswordProvider.getResIdForLockUnlockSubScreen();
|
|
}
|
|
} else if (!lockPatternUtils.isLockScreenDisabled(MY_USER_ID)) {
|
|
return R.xml.security_settings_slide_sub;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
@Override
|
|
public boolean onPreferenceChange(Preference preference, Object value) {
|
|
String key = preference.getKey();
|
|
if (KEY_POWER_INSTANTLY_LOCKS.equals(key)) {
|
|
mLockPatternUtils.setPowerButtonInstantlyLocks((Boolean) value, MY_USER_ID);
|
|
} else if (KEY_LOCK_AFTER_TIMEOUT.equals(key)) {
|
|
int timeout = Integer.parseInt((String) value);
|
|
try {
|
|
Settings.Secure.putInt(getContentResolver(),
|
|
Settings.Secure.LOCK_SCREEN_LOCK_AFTER_TIMEOUT, timeout);
|
|
} catch (NumberFormatException e) {
|
|
Log.e(TAG, "could not persist lockAfter timeout setting", e);
|
|
}
|
|
setupLockAfterPreference();
|
|
updateLockAfterPreferenceSummary();
|
|
} else if (KEY_VISIBLE_PATTERN.equals(key)) {
|
|
mLockPatternUtils.setVisiblePatternEnabled((Boolean) value, MY_USER_ID);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
private static CharSequence getActiveTrustAgentLabel(Context context,
|
|
TrustAgentManager trustAgentManager, LockPatternUtils utils,
|
|
DevicePolicyManager dpm) {
|
|
ArrayList<TrustAgentManager.TrustAgentComponentInfo> agents =
|
|
SecuritySettings.getActiveTrustAgents(context, trustAgentManager, utils, dpm);
|
|
return agents.isEmpty() ? null : agents.get(0).title;
|
|
}
|
|
}
|