/*
 * Copyright (C) 2018 xuexiangjys(xuexiangjys@163.com)
 *
 * 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.xuexiang.xui.widget.progress.materialprogressbar;

import android.animation.Animator;
import android.annotation.SuppressLint;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.drawable.Animatable;

import com.xuexiang.xui.R;
import com.xuexiang.xui.utils.ThemeUtils;

abstract class BaseIndeterminateProgressDrawable extends BaseProgressDrawable
        implements Animatable {

    protected Animator[] mAnimators;

    @SuppressLint("NewApi")
    public BaseIndeterminateProgressDrawable(Context context) {
        int controlActivatedColor = ThemeUtils.getColorFromAttrRes(com.google.android.material.R.attr.colorControlActivated,
                Color.BLACK, context);
        // setTint() has been overridden for compatibility; DrawableCompat won't work because
        // wrapped Drawable won't be Animatable.
        setTint(controlActivatedColor);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void draw(Canvas canvas) {
        super.draw(canvas);

        if (isStarted()) {
            invalidateSelf();
        }
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void start() {

        if (isStarted()) {
            return;
        }

        for (Animator animator : mAnimators) {
            animator.start();
        }
        invalidateSelf();
    }

    private boolean isStarted() {
        for (Animator animator : mAnimators) {
            if (animator.isStarted()) {
                return true;
            }
        }
        return false;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void stop() {
        for (Animator animator : mAnimators) {
            animator.end();
        }
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public boolean isRunning() {
        for (Animator animator : mAnimators) {
            if (animator.isRunning()) {
                return true;
            }
        }
        return false;
    }
}
