| /* |
| * 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.graphics.drawable.AnimatedVectorDrawable; |
| import android.graphics.drawable.Drawable; |
| import android.util.AttributeSet; |
| import android.util.Log; |
| |
| import com.android.systemui.R; |
| |
| public class AuthBiometricFingerprintView extends AuthBiometricView { |
| |
| private static final String TAG = "BiometricPrompt/AuthBiometricFingerprintView"; |
| |
| public AuthBiometricFingerprintView(Context context) { |
| this(context, null); |
| } |
| |
| public AuthBiometricFingerprintView(Context context, AttributeSet attrs) { |
| super(context, attrs); |
| } |
| |
| @Override |
| protected int getDelayAfterAuthenticatedDurationMs() { |
| return 0; |
| } |
| |
| @Override |
| protected int getStateForAfterError() { |
| return STATE_AUTHENTICATING; |
| } |
| |
| @Override |
| protected void handleResetAfterError() { |
| showTouchSensorString(); |
| } |
| |
| @Override |
| protected void handleResetAfterHelp() { |
| showTouchSensorString(); |
| } |
| |
| @Override |
| protected boolean supportsSmallDialog() { |
| return false; |
| } |
| |
| @Override |
| public void updateState(@BiometricState int newState) { |
| updateIcon(mState, newState); |
| |
| // Do this last since the state variable gets updated. |
| super.updateState(newState); |
| } |
| |
| @Override |
| void onAttachedToWindowInternal() { |
| super.onAttachedToWindowInternal(); |
| showTouchSensorString(); |
| } |
| |
| private void showTouchSensorString() { |
| mIndicatorView.setText(R.string.fingerprint_dialog_touch_sensor); |
| mIndicatorView.setTextColor(R.color.biometric_dialog_gray); |
| } |
| |
| private void updateIcon(int lastState, int newState) { |
| final Drawable icon = getAnimationForTransition(lastState, newState); |
| if (icon == null) { |
| Log.e(TAG, "Animation not found, " + lastState + " -> " + newState); |
| return; |
| } |
| |
| final AnimatedVectorDrawable animation = icon instanceof AnimatedVectorDrawable |
| ? (AnimatedVectorDrawable) icon |
| : null; |
| |
| mIconView.setImageDrawable(icon); |
| |
| if (animation != null && shouldAnimateForTransition(lastState, newState)) { |
| animation.forceAnimationOnUI(); |
| animation.start(); |
| } |
| } |
| |
| private boolean shouldAnimateForTransition(int oldState, int newState) { |
| switch (newState) { |
| case STATE_HELP: |
| case STATE_ERROR: |
| return true; |
| case STATE_AUTHENTICATING_ANIMATING_IN: |
| case STATE_AUTHENTICATING: |
| if (oldState == STATE_ERROR || oldState == STATE_HELP) { |
| return true; |
| } else { |
| return false; |
| } |
| case STATE_AUTHENTICATED: |
| return false; |
| default: |
| return false; |
| } |
| } |
| |
| private Drawable getAnimationForTransition(int oldState, int newState) { |
| int iconRes; |
| |
| switch (newState) { |
| case STATE_HELP: |
| case STATE_ERROR: |
| iconRes = R.drawable.fingerprint_dialog_fp_to_error; |
| break; |
| case STATE_AUTHENTICATING_ANIMATING_IN: |
| case STATE_AUTHENTICATING: |
| if (oldState == STATE_ERROR || oldState == STATE_HELP) { |
| iconRes = R.drawable.fingerprint_dialog_error_to_fp; |
| } else { |
| iconRes = R.drawable.fingerprint_dialog_fp_to_error; |
| } |
| break; |
| case STATE_AUTHENTICATED: |
| iconRes = R.drawable.fingerprint_dialog_fp_to_error; |
| break; |
| default: |
| return null; |
| } |
| |
| return mContext.getDrawable(iconRes); |
| } |
| } |