/*
 * 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.settings.biometrics.face;

import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Rect;

/**
 * Feature provider for face authentication.
 */
public interface FaceFeatureProvider {

    interface EnrollingAnimation {
        void onEnrollmentHelp(int helpMsgId, CharSequence helpString);
        void onEnrollmentError(int errMsgId, CharSequence errString);
        void onEnrollmentProgressChange(int steps, int remaining);
        void draw(Canvas canvas);
        void update(long t, long dt);
    }

    interface Listener {
        void onEnrolled();
    }

    EnrollingAnimation getEnrollingAnimation(Context context, Listener listener, Rect bounds,
            int borderWidth);
}