JankStatsBaseImpl.kt

/*
 * Copyright 2021 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 androidx.metrics.performance

/**
 * This class holds the core logic for logging and reporting JankStats data, along
 * with an implementation of frame timing based on capabilities of the platform prior
 * to API level 24 (when FrameMetrics was introduced).
 */
internal open class JankStatsBaseImpl(
    val jankStats: JankStats
) {

    open fun setupFrameTimer(enable: Boolean) { }

    companion object {
        const val NANOS_PER_MS = 1_000_000

        var frameDuration: Long = -1
    }
}