| /* |
| * Copyright (C) 2019 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.systemui.biometrics; |
| |
| import android.content.Context; |
| import android.util.AttributeSet; |
| |
| import com.android.internal.widget.LockPatternChecker; |
| import com.android.internal.widget.LockPatternUtils; |
| import com.android.internal.widget.LockPatternView; |
| import com.android.internal.widget.LockscreenCredential; |
| import com.android.systemui.R; |
| |
| import java.util.List; |
| |
| /** |
| * Pattern UI |
| */ |
| public class AuthCredentialPatternView extends AuthCredentialView { |
| |
| private LockPatternView mLockPatternView; |
| |
| private class UnlockPatternListener implements LockPatternView.OnPatternListener { |
| |
| @Override |
| public void onPatternStart() { |
| |
| } |
| |
| @Override |
| public void onPatternCleared() { |
| |
| } |
| |
| @Override |
| public void onPatternCellAdded(List<LockPatternView.Cell> pattern) { |
| |
| } |
| |
| @Override |
| public void onPatternDetected(List<LockPatternView.Cell> pattern) { |
| if (mPendingLockCheck != null) { |
| mPendingLockCheck.cancel(false); |
| } |
| |
| mLockPatternView.setEnabled(false); |
| |
| if (pattern.size() < LockPatternUtils.MIN_PATTERN_REGISTER_FAIL) { |
| // Pattern size is less than the minimum, do not count it as a failed attempt. |
| onPatternChecked(false /* matched */, 0 /* timeoutMs */); |
| return; |
| } |
| |
| try (LockscreenCredential credential = LockscreenCredential.createPattern(pattern)) { |
| mPendingLockCheck = LockPatternChecker.checkCredential( |
| mLockPatternUtils, |
| credential, |
| mEffectiveUserId, |
| this::onPatternChecked); |
| } |
| } |
| |
| private void onPatternChecked(boolean matched, int timeoutMs) { |
| AuthCredentialPatternView.this.onCredentialChecked(matched, timeoutMs); |
| if (timeoutMs > 0) { |
| mLockPatternView.setEnabled(false); |
| } else { |
| mLockPatternView.setEnabled(true); |
| } |
| } |
| } |
| |
| @Override |
| protected void onErrorTimeoutFinish() { |
| super.onErrorTimeoutFinish(); |
| mLockPatternView.setEnabled(true); |
| } |
| |
| public AuthCredentialPatternView(Context context, AttributeSet attrs) { |
| super(context, attrs); |
| } |
| |
| @Override |
| protected void onAttachedToWindow() { |
| super.onAttachedToWindow(); |
| mLockPatternView = findViewById(R.id.lockPattern); |
| mLockPatternView.setOnPatternListener(new UnlockPatternListener()); |
| mLockPatternView.setInStealthMode( |
| !mLockPatternUtils.isVisiblePatternEnabled(mUserId)); |
| mLockPatternView.setTactileFeedbackEnabled(mLockPatternUtils.isTactileFeedbackEnabled()); |
| } |
| } |