package cn.sinata.xldutils.fragment
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import android.os.Bundle
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import android.view.LayoutInflater
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import android.view.View
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import android.view.ViewGroup
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import androidx.fragment.app.Fragment
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import cn.sinata.xldutils.R
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import cn.sinata.xldutils.rxutils.RequestHelper
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import cn.sinata.xldutils.utils.SPUtils
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import cn.sinata.xldutils.utils.myToast
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import cn.sinata.xldutils.widget.ProgressDialog
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import io.reactivex.disposables.CompositeDisposable
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import io.reactivex.disposables.Disposable
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/**
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*
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*/
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abstract class BaseFragment : Fragment(), RequestHelper {
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/**
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* 页面布局，必须。不能为0
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*/
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abstract fun contentViewId(): Int
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/**
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* fragment第一次展示触发。
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*/
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abstract fun onFirstVisibleToUser()
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/**
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* 除第一次展示以外每次从hide切换为show状态时触发。
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*/
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open fun onVisibleToUser() {}
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/**
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* 每次从show切换为hide状态时触发。
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*/
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open fun onInvisibleToUser() {}
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val compositeDisposable = CompositeDisposable()
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private var isFirstResume = true
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private var isPrepared = false
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private var isFirstVisible = true
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private var isFirstInVisible = true
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//改用lazy初始，第一次使用时才会初始化
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private val dialog: ProgressDialog by lazy {
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ProgressDialog(context!!, R.style.Theme_ProgressDialog)
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}
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override fun onActivityCreated(savedInstanceState: Bundle?) {
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super.onActivityCreated(savedInstanceState)
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initPrepare()
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}
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override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
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return if (contentViewId() != 0) {
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inflater.inflate(contentViewId(), null)
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} else {
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super.onCreateView(layoutInflater, container, savedInstanceState)
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}
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}
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// override fun onHiddenChanged(hidden: Boolean) {
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// if (!hidden) {
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// if (isFirstVisible) {
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// isFirstVisible = false
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// initPrepare()
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// } else {
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// onVisibleToUser()
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// }
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// } else {
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// if (isFirstInVisible) {
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// isFirstInVisible = false
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// } else {
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// onInvisibleToUser()
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// }
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// }
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// }
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override fun onResume() {
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super.onResume()
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if (isFirstResume) {
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isFirstResume = false
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return
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}
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if (userVisibleHint) {
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onVisibleToUser()
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}
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}
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override fun onPause() {
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super.onPause()
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if (userVisibleHint) {
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onInvisibleToUser()
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}
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}
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override fun setUserVisibleHint(isVisibleToUser: Boolean) {
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super.setUserVisibleHint(isVisibleToUser)
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if (isVisibleToUser) {
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if (isFirstVisible) {
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isFirstVisible = false
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initPrepare()
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} else {
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onVisibleToUser()
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}
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} else {
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if (isFirstInVisible) {
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isFirstInVisible = false
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} else {
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onInvisibleToUser()
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}
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}
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}
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private @Synchronized
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fun initPrepare() {
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if (isPrepared) {
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onFirstVisibleToUser()
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}else{
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isPrepared = true
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}
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}
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override fun onDetach() {
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super.onDetach()
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if (!compositeDisposable.isDisposed) {
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compositeDisposable.dispose()
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}
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//Androidx 已处理
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// try {
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// val childFragmentManager = Fragment::class.java.getDeclaredField("mChildFragmentManager")
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// childFragmentManager.isAccessible = true
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// childFragmentManager.set(this, null)
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// } catch (e: NoSuchFieldException) {
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// e.printStackTrace()
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// } catch (e: IllegalAccessException) {
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// e.printStackTrace()
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// } catch (e: IllegalArgumentException) {
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// e.printStackTrace()
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// }
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}
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fun showDialog(msg: String = "加载中...", canCancel: Boolean = true) {
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if (context == null) {
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return
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}
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dialog.setCanceledOnTouchOutside(canCancel)
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dialog.setMessage(msg)
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if (!dialog.isShowing) {
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dialog.show()
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}
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}
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fun dismissDialog() {
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if (dialog!=null&&dialog.isShowing) {
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dialog.dismiss()
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}
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}
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override fun onRequestFinish() {
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dismissDialog()
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}
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override fun onBindHelper(disposable: Disposable) {
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compositeDisposable.add(disposable)
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}
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override fun errorToast(msg: String?) {
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myToast(msg.toString())
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}
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}
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