package com.morihacky.android.rxjava.fragments

import android.content.Context

import android.os.Bundle

import android.os.Handler

import android.os.Looper

import android.view.LayoutInflater

import android.view.View

import android.view.ViewGroup

import android.widget.ArrayAdapter

import android.widget.ListView

import butterknife.ButterKnife

import com.morihacky.android.rxjava.R

class PlaygroundFragment : BaseFragment() {

private var _logsList: ListView? = null

private var _adapter: LogAdapter? = null

private var _attempt = 0

private var _logs: MutableList<String> = ArrayList()

override fun onDestroy() {

super.onDestroy()

ButterKnife.unbind(this)

}

override fun onCreateView(inflater: LayoutInflater?,

container: ViewGroup?,

savedInstanceState: Bundle?): View? {

return inflater!!.inflate(R.layout.fragment_concurrency_schedulers, container, false)

}

override fun onActivityCreated(savedInstanceState: Bundle?) {

super.onActivityCreated(savedInstanceState)

_logsList = activity.findViewById(R.id.list_threading_log) as ListView

activity.findViewById(R.id.btn_start_operation).setOnClickListener { _ ->

_log("Button clicked")

}

_setupLogger()

}

// -----------------------------------------------------------------------------------

// Method that help wiring up the example (irrelevant to RxJava)

private fun _log(logMsg: String) {

if (_isCurrentlyOnMainThread()) {

_logs.add(0, logMsg + " (main thread) ")

_adapter!!.clear()

_adapter!!.addAll(_logs)

} else {

_logs.add(0, logMsg + " (NOT main thread) ")

// You can only do below stuff on main thread.

Handler(Looper.getMainLooper()).post {

_adapter!!.clear()

_adapter!!.addAll(_logs)

}

}

}

private fun _setupLogger() {

_logs = ArrayList<String>()

_adapter = LogAdapter(activity, ArrayList<String>())

_logsList!!.adapter = _adapter

}

private fun _isCurrentlyOnMainThread(): Boolean {

return Looper.myLooper() == Looper.getMainLooper()

}

private inner class LogAdapter(context: Context, logs: List<String>) : ArrayAdapter<String>(context, R.layout.item_log, R.id.item_log, logs)

}