| /* |
| * 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.systemui.biometrics; |
| |
| import android.content.Context; |
| import android.graphics.drawable.AnimatedVectorDrawable; |
| import android.graphics.drawable.Drawable; |
| import android.util.Log; |
| |
| import com.android.systemui.R; |
| |
| /** |
| * This class loads the view for the system-provided dialog. The view consists of: |
| * Application Icon, Title, Subtitle, Description, Biometric Icon, Error/Help message area, |
| * and positive/negative buttons. |
| */ |
| public class FingerprintDialogView extends BiometricDialogView { |
| |
| private static final String TAG = "FingerprintDialogView"; |
| |
| public FingerprintDialogView(Context context, |
| DialogViewCallback callback) { |
| super(context, callback); |
| } |
| |
| @Override |
| protected void handleClearMessage() { |
| updateState(STATE_AUTHENTICATING); |
| mErrorText.setText(getHintStringResourceId()); |
| mErrorText.setTextColor(mTextColor); |
| } |
| |
| @Override |
| protected int getHintStringResourceId() { |
| return R.string.fingerprint_dialog_touch_sensor; |
| } |
| |
| @Override |
| protected int getAuthenticatedAccessibilityResourceId() { |
| return com.android.internal.R.string.fingerprint_authenticated; |
| } |
| |
| @Override |
| protected int getIconDescriptionResourceId() { |
| return R.string.accessibility_fingerprint_dialog_fingerprint_icon; |
| } |
| |
| @Override |
| protected 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; |
| |
| mBiometricIcon.setImageDrawable(icon); |
| |
| if (animation != null && shouldAnimateForTransition(lastState, newState)) { |
| animation.forceAnimationOnUI(); |
| animation.start(); |
| } |
| } |
| |
| protected boolean shouldAnimateForTransition(int oldState, int newState) { |
| if (oldState == STATE_IDLE && newState == STATE_AUTHENTICATING) { |
| return false; |
| } else if (oldState == STATE_AUTHENTICATING && newState == STATE_ERROR) { |
| return true; |
| } else if (oldState == STATE_ERROR && newState == STATE_AUTHENTICATING) { |
| return true; |
| } else if (oldState == STATE_AUTHENTICATING && newState == STATE_AUTHENTICATED) { |
| // TODO(b/77328470): add animation when fingerprint is authenticated |
| return false; |
| } else if (oldState == STATE_ERROR && newState == STATE_AUTHENTICATED) { |
| // TODO(b/77328470): add animation when fingerprint is authenticated |
| return false; |
| } |
| return false; |
| } |
| |
| @Override |
| protected int getDelayAfterAuthenticatedDurationMs() { |
| return 0; |
| } |
| |
| @Override |
| protected boolean shouldGrayAreaDismissDialog() { |
| // Fingerprint dialog always dismisses when region outside the dialog is tapped |
| return true; |
| } |
| |
| protected Drawable getAnimationForTransition(int oldState, int newState) { |
| int iconRes; |
| if (oldState == STATE_IDLE && newState == STATE_AUTHENTICATING) { |
| iconRes = R.drawable.fingerprint_dialog_fp_to_error; |
| } else if (oldState == STATE_AUTHENTICATING && newState == STATE_ERROR) { |
| iconRes = R.drawable.fingerprint_dialog_fp_to_error; |
| } else if (oldState == STATE_ERROR && newState == STATE_AUTHENTICATING) { |
| iconRes = R.drawable.fingerprint_dialog_error_to_fp; |
| } else if (oldState == STATE_AUTHENTICATING && newState == STATE_AUTHENTICATED) { |
| // TODO(b/77328470): add animation when fingerprint is authenticated |
| iconRes = R.drawable.fingerprint_dialog_fp_to_error; |
| } else if (oldState == STATE_ERROR && newState == STATE_AUTHENTICATED) { |
| // TODO(b/77328470): add animation when fingerprint is authenticated |
| iconRes = R.drawable.fingerprint_dialog_fp_to_error; |
| } else { |
| return null; |
| } |
| return mContext.getDrawable(iconRes); |
| } |
| } |