/*
 * Copyright 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.example.android.motion.demo

import com.bumptech.glide.RequestBuilder
import com.bumptech.glide.load.DataSource
import com.bumptech.glide.load.engine.GlideException
import com.bumptech.glide.request.RequestListener
import com.bumptech.glide.request.target.Target

/**
 * Executes the specified [body] when the request is complete. It is invoked no matter whether the
 * request succeeds or fails.
 */
fun <T> RequestBuilder<T>.doOnEnd(body: () -> Unit): RequestBuilder<T> {
    return addListener(object : RequestListener<T> {
        override fun onLoadFailed(
            e: GlideException?,
            model: Any?,
            target: Target<T>?,
            isFirstResource: Boolean
        ): Boolean {
            body()
            return false
        }

        override fun onResourceReady(
            resource: T,
            model: Any?,
            target: Target<T>?,
            dataSource: DataSource?,
            isFirstResource: Boolean
        ): Boolean {
            body()
            return false
        }
    })
}
