LibreTube/app/src/main/java/com/github/libretube/util/WindowHelper.kt

package com.github.libretube.util

import android.os.Build
import android.view.WindowManager
import androidx.core.view.ViewCompat
import androidx.core.view.WindowCompat
import androidx.core.view.WindowInsetsCompat
import androidx.core.view.WindowInsetsControllerCompat
import com.github.libretube.ui.base.BaseActivity

class WindowHelper(private val activity: BaseActivity) {
    fun setFullscreen() = activity.apply {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
            window.attributes.layoutInDisplayCutoutMode =
                WindowManager.LayoutParams.LAYOUT_IN_DISPLAY_CUTOUT_MODE_SHORT_EDGES
        }

        WindowCompat.setDecorFitsSystemWindows(window, false)
        WindowInsetsControllerCompat(window, window.decorView).let { controller ->
            controller.hide(
                WindowInsetsCompat.Type.systemBars() or WindowInsetsCompat.Type.navigationBars()
            )
            controller.systemBarsBehavior =
                WindowInsetsControllerCompat.BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE
        }

        window.setFlags(
            WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS,
            WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS
        )
    }

    fun unsetFullscreen() = activity.apply {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
            window.attributes.layoutInDisplayCutoutMode =
                WindowManager.LayoutParams.LAYOUT_IN_DISPLAY_CUTOUT_MODE_DEFAULT
        }

        WindowCompat.setDecorFitsSystemWindows(window, true)
        WindowInsetsControllerCompat(window, window.decorView).let { controller ->
            controller.show(
                WindowInsetsCompat.Type.systemBars() or WindowInsetsCompat.Type.navigationBars()
            )
            controller.systemBarsBehavior =
                WindowInsetsControllerCompat.BEHAVIOR_SHOW_BARS_BY_TOUCH
        }

        window.clearFlags(WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS)
    }

    fun hasCutout(): Boolean {
        return ViewCompat.getRootWindowInsets(activity.window.decorView)?.displayCutout != null
    }
}