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/*
 * Copyright (C) 2023 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.google.android.torus.utils.extensions

import android.app.Activity
import android.view.View
import android.view.WindowInsets
import android.view.WindowInsetsController

/**
 * Extends [Activity] to allow to set immersive fullscreen mode.
 */
fun Activity.setImmersiveFullScreen() {
    // Sets into Immersive mode.
    if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.R) {
        window.setDecorFitsSystemWindows(false)

        // Hides Navigation bar and Status bar.
        val controller = window.insetsController

        if (controller != null) {
            controller.hide(
                WindowInsets.Type.statusBars() or WindowInsets.Type.navigationBars()
            )
            controller.systemBarsBehavior =
                WindowInsetsController.BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE
        }
    } else {
        // Sets into Immersive mode on older APIs.
        window.decorView.systemUiVisibility = (
                View.SYSTEM_UI_FLAG_IMMERSIVE
                        // Set the content to appear under the system bars so that the
                        // content doesn't resize when the system bars hide and show.
                        or View.SYSTEM_UI_FLAG_LAYOUT_STABLE
                        or View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
                        or View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
                        // Hide the nav bar and status bar
                        or View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
                        or View.SYSTEM_UI_FLAG_FULLSCREEN
                )
    }
}