package com.juhabi.birds.dialog

import android.app.Dialog
import android.content.Context
import android.graphics.Color
import android.graphics.drawable.ColorDrawable
import android.os.Bundle
import android.view.Gravity
import android.view.Window
import android.view.WindowManager
import android.widget.TextView
import com.juhabi.birds.R

class LoadingDialog(
    context: Context,
    private val message: String = "加载中..."
) : Dialog(context, R.style.LoadingDialogTheme) {

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        requestWindowFeature(Window.FEATURE_NO_TITLE)
        setContentView(R.layout.dialog_loading)
        findViewById<TextView>(R.id.loadingText).text = message
        window?.apply {
            // 参考 Water：窗口全屏、内容居中，并为页面增加轻量半透明遮罩。
            setBackgroundDrawable(ColorDrawable(Color.argb(13, 0, 0, 0)))
            setGravity(Gravity.CENTER)
            setDimAmount(0.2f)
            addFlags(WindowManager.LayoutParams.FLAG_DIM_BEHIND)
            setLayout(WindowManager.LayoutParams.MATCH_PARENT, WindowManager.LayoutParams.MATCH_PARENT)
        }
    }

    override fun show() {
        super.show()
        window?.apply {
            setGravity(Gravity.CENTER)
            setLayout(WindowManager.LayoutParams.MATCH_PARENT, WindowManager.LayoutParams.MATCH_PARENT)
        }
    }
}