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package com.pitchedapps.frost.fragments
import android.content.Context
import com.pitchedapps.frost.contracts.FrostContentContainer
import com.pitchedapps.frost.contracts.FrostContentCore
import com.pitchedapps.frost.contracts.FrostContentParent
import com.pitchedapps.frost.contracts.MainActivityContract
import com.pitchedapps.frost.views.FrostRecyclerView
import io.reactivex.disposables.Disposable
/**
* Created by Allan Wang on 2017-11-07.
*/
interface FragmentContract : FrostContentContainer {
val content: FrostContentParent?
/**
* Helper to retrieve the core from [content]
*/
val core: FrostContentCore?
get() = content?.core
/**
* Specifies position in Activity's viewpager
*/
val position: Int
/**
* Specifies whether if current load
* will be fragment's first load
*
* Defaults to true
*/
var firstLoad: Boolean
/**
* Called when the fragment is first visible
* Typically, if [firstLoad] is true,
* the fragment should call [reload] and make [firstLoad] false
*/
fun firstLoadRequest()
/**
* Single callable action to be executed upon creation
* Note that this call is not guaranteed
*/
fun post(action: (fragment: FragmentContract) -> Unit)
/**
* Call whenever a fragment is attached so that it may listen
* to activity emissions
*/
fun attachMainObservable(contract: MainActivityContract): Disposable
/**
* Load custom layout to container
*/
fun innerView(context: Context): FrostContentCore
/**
* Call when fragment is detached so that any existing
* observable is disposed
*/
fun detachMainObservable()
/*
* -----------------------------------------
* Delegates
* -----------------------------------------
*/
fun onBackPressed(): Boolean
fun onTabClick()
}
interface RecyclerContentContract {
fun bind(recyclerView: FrostRecyclerView)
/**
* Completely handle data reloading
* Optional progress emission update
* Callback returns [true] for success, [false] otherwise
*/
fun reload(progress: (Int) -> Unit, callback: (Boolean) -> Unit)
}
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