/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License
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*/
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package com.android.systemui.biometrics;
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import android.content.Context;
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import android.graphics.drawable.AnimatedVectorDrawable;
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import android.graphics.drawable.Drawable;
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import android.util.Log;
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import com.android.systemui.R;
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/**
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* This class loads the view for the system-provided dialog. The view consists of:
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* Application Icon, Title, Subtitle, Description, Biometric Icon, Error/Help message area,
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* and positive/negative buttons.
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*/
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public class FingerprintDialogView extends BiometricDialogView {
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private static final String TAG = "FingerprintDialogView";
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public FingerprintDialogView(Context context,
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DialogViewCallback callback) {
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super(context, callback);
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}
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@Override
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protected void handleResetMessage() {
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updateState(STATE_AUTHENTICATING);
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mErrorText.setText(getHintStringResourceId());
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mErrorText.setTextColor(mTextColor);
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}
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@Override
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protected int getHintStringResourceId() {
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return R.string.fingerprint_dialog_touch_sensor;
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}
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@Override
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protected int getAuthenticatedAccessibilityResourceId() {
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return com.android.internal.R.string.fingerprint_authenticated;
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}
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@Override
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protected int getIconDescriptionResourceId() {
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return R.string.accessibility_fingerprint_dialog_fingerprint_icon;
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}
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@Override
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protected void updateIcon(int lastState, int newState) {
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final Drawable icon = getAnimationForTransition(lastState, newState);
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if (icon == null) {
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Log.e(TAG, "Animation not found, " + lastState + " -> " + newState);
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return;
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}
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final AnimatedVectorDrawable animation = icon instanceof AnimatedVectorDrawable
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? (AnimatedVectorDrawable) icon
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: null;
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mBiometricIcon.setImageDrawable(icon);
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if (animation != null && shouldAnimateForTransition(lastState, newState)) {
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animation.forceAnimationOnUI();
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animation.start();
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}
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}
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protected boolean shouldAnimateForTransition(int oldState, int newState) {
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if (newState == STATE_ERROR) {
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return true;
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} else if (oldState == STATE_ERROR && newState == STATE_AUTHENTICATING) {
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return true;
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} else if (oldState == STATE_AUTHENTICATING && newState == STATE_AUTHENTICATED) {
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// TODO(b/77328470): add animation when fingerprint is authenticated
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return false;
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} else if (oldState == STATE_ERROR && newState == STATE_AUTHENTICATED) {
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// TODO(b/77328470): add animation when fingerprint is authenticated
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return false;
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} else if (newState == STATE_AUTHENTICATING) {
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return false;
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}
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return false;
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}
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@Override
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protected int getDelayAfterAuthenticatedDurationMs() {
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return 0;
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}
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@Override
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protected boolean shouldGrayAreaDismissDialog() {
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// Fingerprint dialog always dismisses when region outside the dialog is tapped
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return true;
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}
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protected Drawable getAnimationForTransition(int oldState, int newState) {
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int iconRes;
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if (newState == STATE_ERROR) {
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iconRes = R.drawable.fingerprint_dialog_fp_to_error;
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} else if (oldState == STATE_ERROR && newState == STATE_AUTHENTICATING) {
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iconRes = R.drawable.fingerprint_dialog_error_to_fp;
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} else if (oldState == STATE_AUTHENTICATING && newState == STATE_AUTHENTICATED) {
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// TODO(b/77328470): add animation when fingerprint is authenticated
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iconRes = R.drawable.fingerprint_dialog_fp_to_error;
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} else if (oldState == STATE_ERROR && newState == STATE_AUTHENTICATED) {
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// TODO(b/77328470): add animation when fingerprint is authenticated
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iconRes = R.drawable.fingerprint_dialog_fp_to_error;
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} else if (newState == STATE_AUTHENTICATING) {
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iconRes = R.drawable.fingerprint_dialog_fp_to_error;
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} else {
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return null;
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}
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return mContext.getDrawable(iconRes);
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}
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}
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