ItemListPagerAdapter.kt

package clean.news.adapter

import android.content.Context
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import clean.news.R
import clean.news.core.entity.Item.ListType
import clean.news.inject.ModuleContext
import clean.news.ui.item.list.ItemListKey.ItemListModule
import clean.news.ui.item.list.ItemListView

class ItemListPagerAdapter(context: Context) : ViewStatePagerAdapter() {
	val inflater = LayoutInflater.from(context)

	private val items = arrayListOf(
			ItemListModule(ListType.TOP),
			ItemListModule(ListType.NEW),
			ItemListModule(ListType.SHOW),
			ItemListModule(ListType.ASK),
			ItemListModule(ListType.JOB)
	)

	override fun createView(container: ViewGroup, position: Int): View {
		val inflater =  inflater.cloneInContext(ModuleContext(inflater.context, items[position]))
		val view = inflater.inflate(R.layout.item_list_view, container, false) as ItemListView
		container.addView(view)
		return view
	}

	override fun destroyItem(container: ViewGroup, position: Int, obj: Any) {
		super.destroyItem(container, position, obj)
		val view = obj as View
		container.removeView(view)
	}

	override fun getPageTitle(position: Int): CharSequence? {
		return items[position].listType().name
	}

	override fun getCount(): Int {
		return items.size
	}
}

ItemListView.kt

package clean.news.ui.item.list

import android.content.Context
import android.support.v7.widget.LinearLayoutManager
import android.support.v7.widget.RecyclerView
import android.util.AttributeSet
import clean.news.adapter.ItemAdapter
import clean.news.app.util.addTo
import clean.news.flow.service.DaggerService
import clean.news.inject.ModuleContext
import clean.news.presentation.model.item.ItemListViewModel
import clean.news.presentation.model.item.ItemListViewModel.Action
import clean.news.ui.item.list.ItemListKey.ItemListModule
import clean.news.ui.main.MainKey.MainComponent
import redux.asObservable
import rx.subscriptions.CompositeSubscription
import javax.inject.Inject

class ItemListView : RecyclerView {
	@Inject
	lateinit var model: ItemListViewModel

	private val adapter: ItemAdapter

	private val subscriptions = CompositeSubscription()

	@JvmOverloads
	constructor(context: Context, attrs: AttributeSet? = null, defStyle: Int = 0) : super(context, attrs, defStyle) {
		DaggerService.get<MainComponent>(context)
				?.plus((ModuleContext.get<ItemListModule>(context)))
				?.inject(this)

		layoutManager = LinearLayoutManager(context)
		adapter = ItemAdapter(context)
	}

	override fun onFinishInflate() {
		super.onFinishInflate()

		adapter.itemUrlClickListener = { model.dispatch(Action.GoToUrl(it)) }
		adapter.itemDetailClickListener = { model.dispatch(Action.GoToDetail(it)) }

		setAdapter(adapter)
	}

	override fun onAttachedToWindow() {
		super.onAttachedToWindow()

		val stateChanges = model.asObservable()
				.startWith(model.getState())
				.publish()

		stateChanges
				.map { it.items }
				.distinctUntilChanged()
				.subscribe { adapter.setItems(it) }
				.addTo(subscriptions)

		stateChanges
				.connect()
				.addTo(subscriptions)
	}

	override fun onDetachedFromWindow() {
		subscriptions.unsubscribe()
		super.onDetachedFromWindow()
	}
}

ModuleContext.kt

package clean.news.inject

import android.content.Context
import android.content.ContextWrapper

class ModuleContext<T : Any>(context: Context, val module: T) : ContextWrapper(context) {
	companion object {
		inline fun <reified T : Any> get(context: Context): T {
			var currentContext = context
			while (currentContext is ContextWrapper) {
				if (currentContext is ModuleContext<*> && currentContext.module is T) {
					return currentContext.module as T
				}
				currentContext = currentContext.baseContext
			}
			throw IllegalArgumentException("Context hierarchy contains no module of type ${T::class.java}")
		}
	}
}