75 lines
2.7 KiB
Kotlin
75 lines
2.7 KiB
Kotlin
package org.thoughtcrime.securesms.loki.activities
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import android.content.Context
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import androidx.recyclerview.widget.RecyclerView
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import android.view.ViewGroup
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import org.session.libsession.messaging.threads.Address
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import org.thoughtcrime.securesms.loki.views.UserView
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import org.thoughtcrime.securesms.mms.GlideRequests
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import org.session.libsession.utilities.recipients.Recipient
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class SelectContactsAdapter(private val context: Context, private val glide: GlideRequests) : RecyclerView.Adapter<SelectContactsAdapter.ViewHolder>() {
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val selectedMembers = mutableSetOf<String>()
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var members = listOf<String>()
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set(value) { field = value; notifyDataSetChanged() }
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class ViewHolder(val view: UserView) : RecyclerView.ViewHolder(view)
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override fun getItemCount(): Int {
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return members.size
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}
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override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
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val view = UserView(context)
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return ViewHolder(view)
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}
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override fun onBindViewHolder(viewHolder: ViewHolder, position: Int) {
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val member = members[position]
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viewHolder.view.setOnClickListener { onMemberClick(member) }
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val isSelected = selectedMembers.contains(member)
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viewHolder.view.bind(Recipient.from(
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context,
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Address.fromSerialized(member), false),
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glide,
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UserView.ActionIndicator.Tick,
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isSelected)
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}
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override fun onBindViewHolder(viewHolder: ViewHolder,
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position: Int,
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payloads: MutableList<Any>) {
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if (payloads.isNotEmpty()) {
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// Because these updates can be batched,
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// there can be multiple payloads for a single bind
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when (payloads[0]) {
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Payload.MEMBER_CLICKED -> {
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val member = members[position]
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val isSelected = selectedMembers.contains(member)
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viewHolder.view.toggleCheckbox(isSelected)
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}
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}
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} else {
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// When payload list is empty,
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// or we don't have logic to handle a given type,
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// default to full bind:
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this.onBindViewHolder(viewHolder, position)
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}
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}
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private fun onMemberClick(member: String) {
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if (selectedMembers.contains(member)) {
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selectedMembers.remove(member)
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} else {
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selectedMembers.add(member)
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}
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val index = members.indexOf(member)
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notifyItemChanged(index, Payload.MEMBER_CLICKED)
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}
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// define below the different events used to notify the adapter
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enum class Payload {
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MEMBER_CLICKED
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}
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}
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