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Sweet animations from support lib

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This commit is contained in:
Mygod
2018-03-07 23:19:28 -08:00
parent c0cf88e3fc
commit 063bf49bdd
3 changed files with 52 additions and 43 deletions
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54
mobile/src/main/java/be/mygod/vpnhotspot/TetheringFragment.kt
View File

@@ -7,7 +7,8 @@ import android.os.Bundle
import android.os.IBinder
import android.support.v4.app.Fragment
import android.support.v4.content.ContextCompat
import android.support.v7.util.SortedList
import android.support.v7.recyclerview.extensions.ListAdapter
import android.support.v7.util.DiffUtil
import android.support.v7.widget.DefaultItemAnimator
import android.support.v7.widget.LinearLayoutManager
import android.support.v7.widget.RecyclerView
@@ -20,6 +21,7 @@ import be.mygod.vpnhotspot.net.ConnectivityManagerHelper
import be.mygod.vpnhotspot.net.TetherType
import java.net.NetworkInterface
import java.net.SocketException
import java.util.*
class TetheringFragment : Fragment(), ServiceConnection {
companion object {
@@ -27,22 +29,6 @@ class TetheringFragment : Fragment(), ServiceConnection {
private const val VIEW_TYPE_MANAGE = 1
}
private abstract class BaseSorter<T> : SortedList.Callback<T>() {
override fun onInserted(position: Int, count: Int) { }
override fun areContentsTheSame(oldItem: T?, newItem: T?): Boolean = oldItem == newItem
override fun onMoved(fromPosition: Int, toPosition: Int) { }
override fun onChanged(position: Int, count: Int) { }
override fun onRemoved(position: Int, count: Int) { }
override fun areItemsTheSame(item1: T?, item2: T?): Boolean = item1 == item2
override fun compare(o1: T?, o2: T?): Int =
if (o1 == null) if (o2 == null) 0 else 1 else if (o2 == null) -1 else compareNonNull(o1, o2)
abstract fun compareNonNull(o1: T, o2: T): Int
}
private open class DefaultSorter<T : Comparable<T>> : BaseSorter<T>() {
override fun compareNonNull(o1: T, o2: T): Int = o1.compareTo(o2)
}
private object TetheredInterfaceSorter : DefaultSorter<TetheredInterface>()
inner class Data(val iface: TetheredInterface) : BaseObservable() {
val icon: Int get() = TetherType.ofInterface(iface.name).icon
val active = binder?.active?.contains(iface.name) == true
@@ -80,10 +66,24 @@ class TetheringFragment : Fragment(), ServiceConnection {
val addresses = lookup[name]?.formatAddresses() ?: ""
override fun compareTo(other: TetheredInterface) = name.compareTo(other.name)
}
inner class TetheringAdapter : RecyclerView.Adapter<RecyclerView.ViewHolder>() {
private val tethered = SortedList(TetheredInterface::class.java, TetheredInterfaceSorter)
override fun equals(other: Any?): Boolean {
if (this === other) return true
if (javaClass != other?.javaClass) return false
other as TetheredInterface
if (name != other.name) return false
if (addresses != other.addresses) return false
return true
}
override fun hashCode(): Int = Objects.hash(name, addresses)
object DiffCallback : DiffUtil.ItemCallback<TetheredInterface>() {
override fun areItemsTheSame(oldItem: TetheredInterface, newItem: TetheredInterface) =
oldItem.name == newItem.name
override fun areContentsTheSame(oldItem: TetheredInterface, newItem: TetheredInterface) = oldItem == newItem
}
}
inner class TetheringAdapter :
ListAdapter<TetheredInterface, RecyclerView.ViewHolder>(TetheredInterface.DiffCallback) {
fun update(data: Set<String>) {
val lookup = try {
NetworkInterface.getNetworkInterfaces().asSequence().associateBy { it.name }
@@ -91,14 +91,12 @@ class TetheringFragment : Fragment(), ServiceConnection {
e.printStackTrace()
emptyMap<String, NetworkInterface>()
}
tethered.clear()
tethered.addAll(data.map { TetheredInterface(it, lookup) })
notifyDataSetChanged()
submitList(data.map { TetheredInterface(it, lookup) }.sorted())
}
override fun getItemCount() = tethered.size() + 1
override fun getItemCount() = super.getItemCount() + 1
override fun getItemViewType(position: Int) =
if (position == tethered.size()) VIEW_TYPE_MANAGE else VIEW_TYPE_INTERFACE
if (position == super.getItemCount()) VIEW_TYPE_MANAGE else VIEW_TYPE_INTERFACE
override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
val inflater = LayoutInflater.from(parent.context)
return when (viewType) {
@@ -109,7 +107,7 @@ class TetheringFragment : Fragment(), ServiceConnection {
}
override fun onBindViewHolder(holder: RecyclerView.ViewHolder, position: Int) {
when (holder) {
is InterfaceViewHolder -> holder.binding.data = Data(tethered[position])
is InterfaceViewHolder -> holder.binding.data = Data(getItem(position))
}
}
}
@@ -124,9 +122,7 @@ class TetheringFragment : Fragment(), ServiceConnection {
override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
binding = DataBindingUtil.inflate(inflater, R.layout.fragment_tethering, container, false)
binding.interfaces.layoutManager = LinearLayoutManager(context, LinearLayoutManager.VERTICAL, false)
val animator = DefaultItemAnimator()
animator.supportsChangeAnimations = false // prevent fading-in/out when rebinding
binding.interfaces.itemAnimator = animator
binding.interfaces.itemAnimator = DefaultItemAnimator()
binding.interfaces.adapter = adapter
return binding.root
}