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/*
* Copyright (C) 2022 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.unfold
import android.annotation.IntDef
import com.android.systemui.statusbar.policy.CallbackController
import com.android.systemui.unfold.FoldStateLoggingProvider.FoldStateLoggingListener
import com.android.systemui.unfold.FoldStateLoggingProvider.LoggedFoldedStates
/** Reports device fold states for logging purposes. */
// TODO(b/198305865): Log state changes.
interface FoldStateLoggingProvider : CallbackController<FoldStateLoggingListener> {
fun init()
fun uninit()
interface FoldStateLoggingListener {
fun onFoldUpdate(foldStateUpdate: FoldStateChange)
}
@IntDef(prefix = ["LOGGED_FOLD_STATE_"], value = [FULLY_OPENED, FULLY_CLOSED, HALF_OPENED])
@Retention(AnnotationRetention.SOURCE)
annotation class LoggedFoldedStates
}
data class FoldStateChange(
@LoggedFoldedStates val previous: Int,
@LoggedFoldedStates val current: Int,
val dtMillis: Long
)
const val FULLY_OPENED = 1
const val FULLY_CLOSED = 2
const val HALF_OPENED = 3
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