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package com.pitchedapps.frost.fragments
import android.content.Context
import android.os.Bundle
import android.support.v4.app.Fragment
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import ca.allanwang.kau.utils.withArguments
import com.pitchedapps.frost.contracts.DynamicUiContract
import com.pitchedapps.frost.contracts.FrostContentParent
import com.pitchedapps.frost.contracts.MainActivityContract
import com.pitchedapps.frost.enums.FeedSort
import com.pitchedapps.frost.facebook.FbItem
import com.pitchedapps.frost.utils.*
import io.reactivex.android.schedulers.AndroidSchedulers
import io.reactivex.disposables.Disposable
/**
* Created by Allan Wang on 2017-11-07.
*
* All fragments pertaining to the main view
* Must be attached to activities implementing [MainActivityContract]
*/
abstract class BaseFragment : Fragment(), FragmentContract, DynamicUiContract {
companion object {
private const val ARG_POSITION = "arg_position"
private const val ARG_VALID = "arg_valid"
internal operator fun invoke(base: () -> BaseFragment, useFallback: Boolean, data: FbItem, position: Int): BaseFragment {
val fragment = if (!useFallback) base() else WebFragment()
val d = if (data == FbItem.FEED) FeedSort(Prefs.feedSort).item else data
fragment.withArguments(
ARG_URL to d.url,
ARG_POSITION to position
)
d.put(fragment.arguments!!)
return fragment
}
}
override val baseUrl: String by lazy { arguments!!.getString(ARG_URL) }
override val baseEnum: FbItem by lazy { FbItem[arguments]!! }
override val position: Int by lazy { arguments!!.getInt(ARG_POSITION) }
override var valid: Boolean
get() = arguments!!.getBoolean(ARG_VALID, true)
set(value) {
if (value || this is WebFragment) return
arguments!!.putBoolean(ARG_VALID, value)
L.e { "Invalidating position $position" }
frostAnswersCustom("Native Fallback",
"Item" to baseEnum.name)
(context as MainActivityContract).reloadFragment(this)
}
override var firstLoad: Boolean = true
private var activityDisposable: Disposable? = null
private var onCreateRunnable: ((FragmentContract) -> Unit)? = null
override var content: FrostContentParent? = null
protected abstract val layoutRes: Int
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
firstLoad = true
if (context !is MainActivityContract)
throw IllegalArgumentException("${this::class.java.simpleName} is not attached to a context implementing MainActivityContract")
}
override final fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
val view = inflater.inflate(layoutRes, container, false)
val content = view as? FrostContentParent
?: throw IllegalArgumentException("layoutRes for fragment must return view implementing FrostContentParent")
this.content = content
content.bind(this)
return view
}
override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
super.onViewCreated(view, savedInstanceState)
onCreateRunnable?.invoke(this)
onCreateRunnable = null
firstLoadRequest()
}
override fun setUserVisibleHint(isVisibleToUser: Boolean) {
super.setUserVisibleHint(isVisibleToUser)
firstLoadRequest()
}
override fun firstLoadRequest() {
val core = core ?: return
if (userVisibleHint && isVisible && firstLoad) {
core.reloadBase(true)
firstLoad = false
}
}
override fun post(action: (fragment: FragmentContract) -> Unit) {
onCreateRunnable = action
}
override fun setTitle(title: String) {
(context as? MainActivityContract)?.setTitle(title)
}
override fun attachMainObservable(contract: MainActivityContract): Disposable =
contract.fragmentSubject.observeOn(AndroidSchedulers.mainThread()).subscribe {
when (it) {
REQUEST_REFRESH -> {
core?.apply {
reload(true)
clearHistory()
}
}
position -> {
contract.setTitle(baseEnum.titleId)
core?.active = true
}
-(position + 1) -> {
core?.active = false
}
REQUEST_TEXT_ZOOM -> {
reloadTextSize()
}
}
}
override fun detachMainObservable() {
activityDisposable?.dispose()
}
override fun onAttach(context: Context) {
super.onAttach(context)
detachMainObservable()
if (context is MainActivityContract)
activityDisposable = attachMainObservable(context)
}
override fun onDetach() {
detachMainObservable()
super.onDetach()
}
override fun onDestroyView() {
L.i { "Fragment on destroy $position ${hashCode()}" }
content?.destroy()
content = null
super.onDestroyView()
}
override fun reloadTheme() {
reloadThemeSelf()
content?.reloadTextSize()
}
override fun reloadThemeSelf() {
// intentionally blank
}
override fun reloadTextSize() {
reloadTextSizeSelf()
content?.reloadTextSize()
}
override fun reloadTextSizeSelf() {
// intentionally blank
}
override fun onBackPressed(): Boolean = content?.core?.onBackPressed() ?: false
override fun onTabClick(): Unit = content?.core?.onTabClicked() ?: Unit
}
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