Improve conversation view
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/*
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* Copyright 2016 Christian Basler
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package ch.dissem.apps.abit
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import android.content.Context
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import android.content.Intent
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import android.os.Bundle
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import android.support.annotation.IdRes
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import android.support.v4.app.Fragment
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import android.support.v7.widget.LinearLayoutManager
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import android.support.v7.widget.RecyclerView
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import android.view.*
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import android.widget.ImageView
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import android.widget.TextView
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import ch.dissem.apps.abit.adapter.ConversationAdapter
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import ch.dissem.apps.abit.service.Singleton
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import ch.dissem.apps.abit.util.Assets
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import ch.dissem.apps.abit.util.Drawables
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import ch.dissem.apps.abit.util.Strings.prepareMessageExtract
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import ch.dissem.bitmessage.entity.Conversation
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import ch.dissem.bitmessage.entity.Plaintext
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import com.mikepenz.google_material_typeface_library.GoogleMaterial
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import kotlinx.android.synthetic.main.fragment_conversation_detail.*
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/**
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* A fragment representing a single Message detail screen.
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* This fragment is either contained in a [MainActivity]
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* in two-pane mode (on tablets) or a [MessageDetailActivity]
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* on handsets.
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*/
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class ConversationDetailFragment : Fragment() {
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/**
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* The content this fragment is presenting.
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*/
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private var item: Conversation? = null
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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arguments?.let { arguments ->
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if (arguments.containsKey(ARG_ITEM)) {
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// Load the dummy content specified by the fragment
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// arguments. In a real-world scenario, use a Loader
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// to load content from a content provider.
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item = arguments.getSerializable(ARG_ITEM) as Conversation
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}
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}
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setHasOptionsMenu(true)
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}
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override fun onCreateView(
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inflater: LayoutInflater,
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container: ViewGroup?,
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savedInstanceState: Bundle?
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): View =
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inflater.inflate(R.layout.fragment_conversation_detail, container, false)
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override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
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super.onViewCreated(view, savedInstanceState)
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val ctx = activity ?: throw IllegalStateException("Fragment is not attached to an activity")
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// Show the dummy content as text in a TextView.
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item?.let { item ->
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subject.text = item.subject
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avatar.setImageDrawable(MultiIdenticon(item.participants))
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messages.adapter = ConversationAdapter(ctx, this@ConversationDetailFragment, item)
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messages.layoutManager = LinearLayoutManager(activity)
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}
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}
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override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
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inflater.inflate(R.menu.conversation, menu)
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activity?.let { activity ->
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Drawables.addIcon(activity, menu, R.id.delete, GoogleMaterial.Icon.gmd_delete)
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Drawables.addIcon(activity, menu, R.id.archive, GoogleMaterial.Icon.gmd_archive)
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}
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super.onCreateOptionsMenu(menu, inflater)
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}
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override fun onOptionsItemSelected(menuItem: MenuItem): Boolean {
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val messageRepo = Singleton.getMessageRepository(
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context ?: throw IllegalStateException("No context available")
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)
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item?.let { item ->
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when (menuItem.itemId) {
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R.id.delete -> {
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item.messages.forEach {
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Singleton.labeler.delete(it)
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messageRepo.remove(it)
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}
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MainActivity.apply { updateUnread() }
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activity?.onBackPressed()
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return true
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}
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R.id.archive -> {
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item.messages.forEach {
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Singleton.labeler.archive(it)
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messageRepo.save(it)
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}
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MainActivity.apply { updateUnread() }
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return true
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}
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else -> return false
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}
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}
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return false
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}
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private class RelatedMessageAdapter internal constructor(
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private val ctx: Context,
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private val messages: List<Plaintext>
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) : RecyclerView.Adapter<RelatedMessageAdapter.ViewHolder>() {
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override fun onCreateViewHolder(
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parent: ViewGroup,
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viewType: Int
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): RelatedMessageAdapter.ViewHolder {
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val context = parent.context
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val inflater = LayoutInflater.from(context)
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// Inflate the custom layout
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val contactView = inflater.inflate(R.layout.item_message_minimized, parent, false)
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// Return a new holder instance
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return ViewHolder(contactView)
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}
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// Involves populating data into the item through holder
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override fun onBindViewHolder(viewHolder: RelatedMessageAdapter.ViewHolder, position: Int) {
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// Get the data model based on position
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val message = messages[position]
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viewHolder.avatar.setImageDrawable(Identicon(message.from))
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viewHolder.status.setImageResource(Assets.getStatusDrawable(message.status))
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viewHolder.sender.text = message.from.toString()
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viewHolder.extract.text = prepareMessageExtract(message.text)
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viewHolder.item = message
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}
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// Returns the total count of items in the list
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override fun getItemCount() = messages.size
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internal inner class ViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
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internal val avatar = itemView.findViewById<ImageView>(R.id.avatar)
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internal val status = itemView.findViewById<ImageView>(R.id.status)
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internal val sender = itemView.findViewById<TextView>(R.id.sender)
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internal val extract = itemView.findViewById<TextView>(R.id.text)
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internal var item: Plaintext? = null
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init {
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itemView.setOnClickListener {
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if (ctx is MainActivity) {
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item?.let { ctx.onItemSelected(it) }
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} else {
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val detailIntent = Intent(ctx, MessageDetailActivity::class.java)
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detailIntent.putExtra(MessageDetailFragment.ARG_ITEM, item)
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ctx.startActivity(detailIntent)
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}
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}
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}
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}
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}
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companion object {
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/**
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* The fragment argument representing the item ID that this fragment
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* represents.
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*/
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const val ARG_ITEM = "item"
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}
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}
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