Merge pull request #56 from RocketChat/develop

merge

app/build.gradle

@@ -16,8 +16,8 @@ android {
         applicationId "chat.rocket.android"
         minSdkVersion versions.minSdk
         targetSdkVersion versions.targetSdk
-        versionCode 2042
-        versionName "2.6.0"
+        versionCode 2043
+        versionName "2.6.1"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         multiDexEnabled true
 

app/src/main/java/chat/rocket/android/chatroom/adapter/EmojiSuggestionsAdapter.kt

+package chat.rocket.android.chatroom.adapter
+
+import android.annotation.SuppressLint
+import android.text.SpannableStringBuilder
+import android.text.style.ImageSpan
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import chat.rocket.android.R
+import chat.rocket.android.chatroom.adapter.EmojiSuggestionsAdapter.EmojiSuggestionViewHolder
+import chat.rocket.android.chatroom.uimodel.suggestion.EmojiSuggestionUiModel
+import chat.rocket.android.emoji.EmojiParser
+import chat.rocket.android.emoji.internal.isCustom
+import chat.rocket.android.suggestions.model.SuggestionModel
+import chat.rocket.android.suggestions.strategy.trie.TrieCompletionStrategy
+import chat.rocket.android.suggestions.ui.BaseSuggestionViewHolder
+import chat.rocket.android.suggestions.ui.SuggestionsAdapter
+import com.bumptech.glide.Glide
+import kotlinx.android.synthetic.main.suggestion_emoji_item.view.*
+
+class EmojiSuggestionsAdapter : SuggestionsAdapter<EmojiSuggestionViewHolder>(
+    token = ":",
+    completionStrategy = TrieCompletionStrategy()
+) {
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): EmojiSuggestionViewHolder {
+        val inflater = LayoutInflater.from(parent.context)
+        val view = inflater.inflate(R.layout.suggestion_emoji_item, parent,false)
+        return EmojiSuggestionViewHolder(view)
+    }
+
+    class EmojiSuggestionViewHolder(view: View) : BaseSuggestionViewHolder(view) {
+
+        @SuppressLint("SetTextI18n")
+        override fun bind(item: SuggestionModel, itemClickListener: SuggestionsAdapter.ItemClickListener?) {
+            item as EmojiSuggestionUiModel
+            with(itemView) {
+                text_emoji_shortname.text = ":${item.text}"
+                if (item.emoji.isCustom()) {
+                    view_flipper_emoji.displayedChild = 1
+                    val sp = SpannableStringBuilder().append(item.emoji.shortname)
+                    Glide.with(context).asDrawable().load(item.emoji.url).into(image_emoji)
+                } else {
+                    text_emoji.text = EmojiParser.parse(context, item.emoji.unicode)
+                    view_flipper_emoji.displayedChild = 0
+                }
+                setOnClickListener {
+                    itemClickListener?.onClick(item)
+                }
+            }
+        }
+    }
+}

app/src/main/java/chat/rocket/android/chatroom/adapter/MessageAttachmentViewHolder.kt

 package chat.rocket.android.chatroom.adapter
 
+import android.animation.ValueAnimator
 import android.text.method.LinkMovementMethod
 import android.view.View
+import android.view.animation.LinearInterpolator
+import androidx.core.view.isVisible
+import chat.rocket.android.R
 import chat.rocket.android.chatroom.uimodel.MessageAttachmentUiModel
 import chat.rocket.android.emoji.EmojiReactionListener
 import kotlinx.android.synthetic.main.item_message_attachment.view.*
 
 class MessageAttachmentViewHolder(
-        itemView: View,
-        listener: ActionsListener,
-        reactionListener: EmojiReactionListener? = null
+    itemView: View,
+    listener: ActionsListener,
+    reactionListener: EmojiReactionListener? = null
 ) : BaseViewHolder<MessageAttachmentUiModel>(itemView, listener, reactionListener) {
 
+    private var expanded = true
+
     init {
         with(itemView) {
             setupActionMenu(attachment_container)
@@ -21,9 +27,77 @@ class MessageAttachmentViewHolder(
 
     override fun bindViews(data: MessageAttachmentUiModel) {
         with(itemView) {
+            val collapsedHeight = context.resources.getDimensionPixelSize(R.dimen.quote_collapsed_height)
+            val viewMore = context.getString(R.string.msg_view_more)
+            val viewLess = context.getString(R.string.msg_view_less)
             text_message_time.text = data.time
             text_sender.text = data.senderName
             text_content.text = data.content
+            text_view_more.text = viewLess
+            text_content.addOnLayoutChangeListener(object : View.OnLayoutChangeListener {
+
+                override fun onLayoutChange(v: View, left: Int, top: Int, right: Int, bottom: Int,
+                                            oldLeft: Int, oldTop: Int, oldRight: Int, oldBottom: Int) {
+                    val textMeasuredHeight = bottom - top
+                    if (collapsedHeight >= textMeasuredHeight) {
+                        text_view_more.isVisible = false
+                        text_content.removeOnLayoutChangeListener(this)
+                        return
+                    }
+
+                    text_view_more.isVisible = true
+
+                    val expandAnimation = ValueAnimator
+                        .ofInt(collapsedHeight, textMeasuredHeight)
+                        .setDuration(300)
+                    expandAnimation.interpolator = LinearInterpolator()
+
+                    val collapseAnimation = ValueAnimator
+                        .ofInt(textMeasuredHeight, collapsedHeight)
+                        .setDuration(300)
+                    collapseAnimation.interpolator = LinearInterpolator()
+
+                    val lp = text_content.layoutParams
+
+                    expandAnimation.addUpdateListener {
+                        val value = it.animatedValue as Int
+                        lp.height = value
+                        text_content.layoutParams = lp
+                        expanded = if (value == textMeasuredHeight) {
+                            text_view_more.text = viewLess
+                            true
+                        } else {
+                            text_view_more.text = viewMore
+                            false
+                        }
+                    }
+
+                    collapseAnimation.addUpdateListener {
+                        val value = it.animatedValue as Int
+                        lp.height = value
+                        text_content.layoutParams = lp
+                        expanded = if (value == textMeasuredHeight) {
+                            text_view_more.text = viewLess
+                            true
+                        } else {
+                            text_view_more.text = viewMore
+                            false
+                        }
+                    }
+
+                    text_view_more.setOnClickListener {
+                        if (expandAnimation.isRunning) return@setOnClickListener
+
+                        if (expanded) {
+                            collapseAnimation.start()
+                        } else {
+                            expandAnimation.start()
+                        }
+                    }
+
+                    text_content.removeOnLayoutChangeListener(this)
+                }
+            })
         }
     }
 }
\ No newline at end of file

app/src/main/java/chat/rocket/android/chatroom/adapter/MessageReplyViewHolder.kt

@@ -13,9 +13,7 @@ class MessageReplyViewHolder(
 ) : BaseViewHolder<MessageReplyUiModel>(itemView, listener, reactionListener) {
 
     init {
-        with(itemView) {
-            setupActionMenu(itemView)
-        }
+        setupActionMenu(itemView)
     }
 
     override fun bindViews(data: MessageReplyUiModel) {

app/src/main/java/chat/rocket/android/chatroom/presentation/ChatRoomPresenter.kt

@@ -13,10 +13,12 @@ import chat.rocket.android.chatroom.uimodel.RoomUiModel
 import chat.rocket.android.chatroom.uimodel.UiModelMapper
 import chat.rocket.android.chatroom.uimodel.suggestion.ChatRoomSuggestionUiModel
 import chat.rocket.android.chatroom.uimodel.suggestion.CommandSuggestionUiModel
+import chat.rocket.android.chatroom.uimodel.suggestion.EmojiSuggestionUiModel
 import chat.rocket.android.chatroom.uimodel.suggestion.PeopleSuggestionUiModel
 import chat.rocket.android.core.behaviours.showMessage
 import chat.rocket.android.core.lifecycle.CancelStrategy
 import chat.rocket.android.db.DatabaseManager
+import chat.rocket.android.emoji.EmojiRepository
 import chat.rocket.android.helper.MessageHelper
 import chat.rocket.android.helper.UserHelper
 import chat.rocket.android.infrastructure.LocalRepository
@@ -34,7 +36,6 @@ import chat.rocket.android.server.domain.useRealName
 import chat.rocket.android.server.infraestructure.ConnectionManagerFactory
 import chat.rocket.android.server.infraestructure.state
 import chat.rocket.android.util.extension.compressImageAndGetByteArray
-import chat.rocket.android.util.extension.compressImageAndGetInputStream
 import chat.rocket.android.util.extension.launchUI
 import chat.rocket.android.util.extensions.avatarUrl
 import chat.rocket.android.util.retryIO
@@ -80,9 +81,7 @@ import kotlinx.coroutines.experimental.launch
 import kotlinx.coroutines.experimental.withContext
 import org.threeten.bp.Instant
 import timber.log.Timber
-import java.io.InputStream
 import java.util.*
-import java.util.zip.DeflaterInputStream
 import javax.inject.Inject
 
 class ChatRoomPresenter @Inject constructor(
@@ -180,10 +179,10 @@ class ChatRoomPresenter @Inject constructor(
                     val localMessages = messagesRepository.getByRoomId(chatRoomId)
                     val oldMessages = mapper.map(
                         localMessages, RoomUiModel(
-                            roles = chatRoles,
-                            // FIXME: Why are we fixing isRoom attribute to true here?
-                            isBroadcast = chatIsBroadcast, isRoom = true
-                        )
+                        roles = chatRoles,
+                        // FIXME: Why are we fixing isRoom attribute to true here?
+                        isBroadcast = chatIsBroadcast, isRoom = true
+                    )
                     )
                     val lastSyncDate = messagesRepository.getLastSyncDate(chatRoomId)
                     if (oldMessages.isNotEmpty() && lastSyncDate != null) {
@@ -419,11 +418,12 @@ class ChatRoomPresenter @Inject constructor(
                         }
                     }
                 }
-            } catch (ex: Exception) {
-                Timber.d(ex, "Error uploading file")
-                when (ex) {
-                    is RocketChatException -> view.showMessage(ex)
-                    else -> view.showGenericErrorMessage()
+            } catch (ex: RocketChatException) {
+                Timber.d(ex)
+                ex.message?.let {
+                    view.showMessage(it)
+                }.ifNull {
+                    view.showGenericErrorMessage()
                 }
             } finally {
                 view.hideLoading()
@@ -597,9 +597,9 @@ class ChatRoomPresenter @Inject constructor(
                     replyMarkdown = "[ ]($currentServer/$chatRoomType/$room?msg=$id) $mention ",
                     quotedMessage = mapper.map(
                         message, RoomUiModel(
-                            roles = chatRoles,
-                            isBroadcast = chatIsBroadcast
-                        )
+                        roles = chatRoles,
+                        isBroadcast = chatIsBroadcast
+                    )
                     ).last().preview?.message ?: ""
                 )
             }
@@ -868,7 +868,7 @@ class ChatRoomPresenter @Inject constructor(
             }
             it.chatRoom.name == name || it.chatRoom.fullname == name
         }.map {
-            with (it.chatRoom) {
+            with(it.chatRoom) {
                 ChatRoom(
                     id = id,
                     subscriptionId = subscriptionId,
@@ -1008,6 +1008,20 @@ class ChatRoomPresenter @Inject constructor(
         }
     }
 
+    fun loadEmojis() {
+        launchUI(strategy) {
+            val emojiSuggestionUiModels = EmojiRepository.getAll().map {
+                EmojiSuggestionUiModel(
+                    text = it.shortname.replaceFirst(":", ""),
+                    pinned = false,
+                    emoji = it,
+                    searchList = listOf(it.shortname)
+                )
+            }
+            view.populateEmojiSuggestions(emojis = emojiSuggestionUiModels)
+        }
+    }
+
     fun runCommand(text: String, roomId: String) {
         launchUI(strategy) {
             try {
@@ -1103,8 +1117,8 @@ class ChatRoomPresenter @Inject constructor(
         launchUI(strategy) {
             val viewModelStreamedMessage = mapper.map(
                 streamedMessage, RoomUiModel(
-                    roles = chatRoles, isBroadcast = chatIsBroadcast, isRoom = true
-                )
+                roles = chatRoles, isBroadcast = chatIsBroadcast, isRoom = true
+            )
             )
 
             val roomMessages = messagesRepository.getByRoomId(streamedMessage.roomId)
@@ -1126,4 +1140,33 @@ class ChatRoomPresenter @Inject constructor(
             navigator.toMessageInformation(messageId = messageId)
         }
     }
-}
+
\ No newline at end of file
+    /**
+     * Save unfinished message, when user left chat room without sending a message. It also clears
+     * saved message from local repository when unfinishedMessage is blank.
+     *
+     * @param chatRoomId Chat room Id.
+     * @param unfinishedMessage The unfinished message to save.
+     */
+    fun saveUnfinishedMessage(chatRoomId: String, unfinishedMessage: String) {
+        val key = "${currentServer}_${LocalRepository.UNFINISHED_MSG_KEY}$chatRoomId"
+        if (unfinishedMessage.isNotBlank()) {
+            localRepository.save(key, unfinishedMessage)
+        } else {
+            localRepository.clear(key)
+        }
+    }
+
+    /**
+     * Get unfinished message from local repository, when user left chat room without
+     * sending a message and now the user is back.
+     *
+     * @param chatRoomId Chat room Id.
+     *
+     * @return Returns the unfinished message.
+     */
+    fun getUnfinishedMessage(chatRoomId: String): String {
+        val key = "${currentServer}_${LocalRepository.UNFINISHED_MSG_KEY}$chatRoomId"
+        return localRepository.get(key) ?: ""
+    }
+}

app/src/main/java/chat/rocket/android/chatroom/presentation/ChatRoomView.kt

@@ -3,6 +3,7 @@ package chat.rocket.android.chatroom.presentation
 import chat.rocket.android.chatroom.uimodel.BaseUiModel
 import chat.rocket.android.chatroom.uimodel.suggestion.ChatRoomSuggestionUiModel
 import chat.rocket.android.chatroom.uimodel.suggestion.CommandSuggestionUiModel
+import chat.rocket.android.chatroom.uimodel.suggestion.EmojiSuggestionUiModel
 import chat.rocket.android.chatroom.uimodel.suggestion.PeopleSuggestionUiModel
 import chat.rocket.android.core.behaviours.LoadingView
 import chat.rocket.android.core.behaviours.MessageView
@@ -127,6 +128,9 @@ interface ChatRoomView : LoadingView, MessageView {
     fun populatePeopleSuggestions(members: List<PeopleSuggestionUiModel>)
 
     fun populateRoomSuggestions(chatRooms: List<ChatRoomSuggestionUiModel>)
+
+    fun populateEmojiSuggestions(emojis: List<EmojiSuggestionUiModel>)
+
     /**
      * This user has joined the chat callback.
      *

app/src/main/java/chat/rocket/android/chatroom/ui/ChatRoomFragment.kt

@@ -6,13 +6,11 @@ import android.content.ClipData
 import android.content.ClipboardManager
 import android.content.Context
 import android.content.Intent
+import android.content.res.Configuration
 import android.graphics.drawable.Drawable
 import android.os.Bundle
 import android.os.Handler
-import android.os.SystemClock
-import android.text.Spannable
 import android.text.SpannableStringBuilder
-import android.text.style.ImageSpan
 import android.view.KeyEvent
 import android.view.LayoutInflater
 import android.view.Menu
@@ -37,6 +35,7 @@ import chat.rocket.android.analytics.AnalyticsManager
 import chat.rocket.android.analytics.event.ScreenViewEvent
 import chat.rocket.android.chatroom.adapter.ChatRoomAdapter
 import chat.rocket.android.chatroom.adapter.CommandSuggestionsAdapter
+import chat.rocket.android.chatroom.adapter.EmojiSuggestionsAdapter
 import chat.rocket.android.chatroom.adapter.PEOPLE
 import chat.rocket.android.chatroom.adapter.PeopleSuggestionsAdapter
 import chat.rocket.android.chatroom.adapter.RoomSuggestionsAdapter
@@ -47,6 +46,7 @@ import chat.rocket.android.chatroom.uimodel.BaseUiModel
 import chat.rocket.android.chatroom.uimodel.MessageUiModel
 import chat.rocket.android.chatroom.uimodel.suggestion.ChatRoomSuggestionUiModel
 import chat.rocket.android.chatroom.uimodel.suggestion.CommandSuggestionUiModel
+import chat.rocket.android.chatroom.uimodel.suggestion.EmojiSuggestionUiModel
 import chat.rocket.android.chatroom.uimodel.suggestion.PeopleSuggestionUiModel
 import chat.rocket.android.draw.main.ui.DRAWING_BYTE_ARRAY_EXTRA_DATA
 import chat.rocket.android.draw.main.ui.DrawingActivity
@@ -63,7 +63,6 @@ import chat.rocket.android.helper.ImageHelper
 import chat.rocket.android.helper.KeyboardHelper
 import chat.rocket.android.helper.MessageParser
 import chat.rocket.android.util.extension.asObservable
-import chat.rocket.android.util.extension.launchUI
 import chat.rocket.android.util.extensions.circularRevealOrUnreveal
 import chat.rocket.android.util.extensions.fadeIn
 import chat.rocket.android.util.extensions.fadeOut
@@ -76,8 +75,6 @@ import chat.rocket.android.util.extensions.ui
 import chat.rocket.common.model.RoomType
 import chat.rocket.common.model.roomTypeOf
 import chat.rocket.core.internal.realtime.socket.model.State
-import chat.rocket.core.model.ChatRoom
-import com.bumptech.glide.load.resource.gif.GifDrawable
 import dagger.android.support.AndroidSupportInjection
 import io.reactivex.Observable
 import io.reactivex.disposables.CompositeDisposable
@@ -86,8 +83,6 @@ import kotlinx.android.synthetic.main.fragment_chat_room.*
 import kotlinx.android.synthetic.main.message_attachment_options.*
 import kotlinx.android.synthetic.main.message_composer.*
 import kotlinx.android.synthetic.main.message_list.*
-import kotlinx.coroutines.experimental.android.UI
-import kotlinx.coroutines.experimental.launch
 import java.util.concurrent.TimeUnit
 import java.util.concurrent.atomic.AtomicInteger
 import javax.inject.Inject
@@ -258,6 +253,7 @@ class ChatRoomFragment : Fragment(), ChatRoomView, EmojiKeyboardListener, EmojiR
         recycler_view.removeOnLayoutChangeListener(layoutChangeListener)
 
         presenter.disconnect()
+        presenter.saveUnfinishedMessage(chatRoomId, text_message.text.toString())
         handler.removeCallbacksAndMessages(null)
         unsubscribeComposeTextMessage()
 
@@ -476,15 +472,15 @@ class ChatRoomFragment : Fragment(), ChatRoomView, EmojiKeyboardListener, EmojiR
         ui {
             when (usernameList.size) {
                 1 -> text_typing_status.text =
-                        SpannableStringBuilder()
-                            .bold { append(usernameList[0]) }
-                            .append(getString(R.string.msg_is_typing))
+                    SpannableStringBuilder()
+                        .bold { append(usernameList[0]) }
+                        .append(getString(R.string.msg_is_typing))
                 2 -> text_typing_status.text =
-                        SpannableStringBuilder()
-                            .bold { append(usernameList[0]) }
-                            .append(getString(R.string.msg_and))
-                            .bold { append(usernameList[1]) }
-                            .append(getString(R.string.msg_are_typing))
+                    SpannableStringBuilder()
+                        .bold { append(usernameList[0]) }
+                        .append(getString(R.string.msg_and))
+                        .bold { append(usernameList[1]) }
+                        .append(getString(R.string.msg_are_typing))
 
                 else -> text_typing_status.text = getString(R.string.msg_several_users_are_typing)
             }
@@ -562,11 +558,7 @@ class ChatRoomFragment : Fragment(), ChatRoomView, EmojiKeyboardListener, EmojiR
         }
     }
 
-    override fun showReplyingAction(
-        username: String,
-        replyMarkdown: String,
-        quotedMessage: String
-    ) {
+    override fun showReplyingAction(username: String, replyMarkdown: String, quotedMessage: String) {
         ui {
             citation = replyMarkdown
             actionSnackbar.title = username
@@ -616,6 +608,12 @@ class ChatRoomFragment : Fragment(), ChatRoomView, EmojiKeyboardListener, EmojiR
         }
     }
 
+    override fun populateEmojiSuggestions(emojis: List<EmojiSuggestionUiModel>) {
+        ui {
+            suggestions_view.addItems(":", emojis)
+        }
+    }
+
     override fun copyToClipboard(message: String) {
         ui {
             val clipboard = it.getSystemService(Context.CLIPBOARD_SERVICE) as ClipboardManager
@@ -775,10 +773,6 @@ class ChatRoomFragment : Fragment(), ChatRoomView, EmojiKeyboardListener, EmojiR
             button_show_attachment_options.alpha = 1f
             button_show_attachment_options.isVisible = true
 
-            activity?.supportFragmentManager?.addOnBackStackChangedListener {
-                println("attach")
-            }
-
             activity?.supportFragmentManager?.registerFragmentLifecycleCallbacks(
                 object : FragmentManager.FragmentLifecycleCallbacks() {
                     override fun onFragmentAttached(
@@ -796,6 +790,7 @@ class ChatRoomFragment : Fragment(), ChatRoomView, EmojiKeyboardListener, EmojiR
             )
 
             subscribeComposeTextMessage()
+            getUnfinishedMessage()
             emojiKeyboardPopup = EmojiKeyboardPopup(activity!!, activity!!.findViewById(R.id.fragment_container))
             emojiKeyboardPopup.listener = this
             text_message.listener = object : ComposerEditText.ComposerEditTextListener {
@@ -842,16 +837,16 @@ class ChatRoomFragment : Fragment(), ChatRoomView, EmojiKeyboardListener, EmojiR
                 }, 400)
             }
 
-            button_add_reaction.setOnClickListener { view ->
+            button_add_reaction.setOnClickListener { _ ->
                 openEmojiKeyboardPopup()
             }
 
             button_drawing.setOnClickListener {
-                activity?.let {
-                    if (!ImageHelper.canWriteToExternalStorage(it)) {
-                        ImageHelper.checkWritingPermission(it)
+                activity?.let { fragmentActivity ->
+                    if (!ImageHelper.canWriteToExternalStorage(fragmentActivity)) {
+                        ImageHelper.checkWritingPermission(fragmentActivity)
                     } else {
-                        val intent = Intent(it, DrawingActivity::class.java)
+                        val intent = Intent(fragmentActivity, DrawingActivity::class.java)
                         startActivityForResult(intent, REQUEST_CODE_FOR_DRAW)
                     }
                 }
@@ -863,12 +858,26 @@ class ChatRoomFragment : Fragment(), ChatRoomView, EmojiKeyboardListener, EmojiR
         }
     }
 
+    private fun getUnfinishedMessage() {
+        val unfinishedMessage = presenter.getUnfinishedMessage(chatRoomId)
+        if (unfinishedMessage.isNotBlank()) {
+            text_message.setText(unfinishedMessage)
+            val orientation = resources.configuration.orientation
+            if (orientation == Configuration.ORIENTATION_PORTRAIT) {
+                KeyboardHelper.showSoftKeyboard(text_message)
+            } else {
+                //TODO show keyboard in full screen mode when landscape orientation
+            }
+        }
+    }
+
     private fun setupSuggestionsView() {
         suggestions_view.anchorTo(text_message)
             .setMaximumHeight(resources.getDimensionPixelSize(R.dimen.suggestions_box_max_height))
             .addTokenAdapter(PeopleSuggestionsAdapter(context!!))
             .addTokenAdapter(CommandSuggestionsAdapter())
             .addTokenAdapter(RoomSuggestionsAdapter())
+            .addTokenAdapter(EmojiSuggestionsAdapter())
             .addSuggestionProviderAction("@") { query ->
                 if (query.isNotEmpty()) {
                     presenter.spotlight(query, PEOPLE, true)
@@ -879,10 +888,14 @@ class ChatRoomFragment : Fragment(), ChatRoomView, EmojiKeyboardListener, EmojiR
                     presenter.loadChatRooms()
                 }
             }
-            .addSuggestionProviderAction("/") { _ ->
+            .addSuggestionProviderAction("/") {
                 presenter.loadCommands()
             }
+            .addSuggestionProviderAction(":") {
+                presenter.loadEmojis()
+            }
 
+        presenter.loadEmojis()
         presenter.loadCommands()
     }
 

app/src/main/java/chat/rocket/android/chatroom/ui/StrikethroughDelimiterProcessor.kt

+package chat.rocket.android.chatroom.ui
+
+import org.commonmark.ext.gfm.strikethrough.Strikethrough
+import org.commonmark.node.Node
+import org.commonmark.node.Text
+import org.commonmark.parser.delimiter.DelimiterProcessor
+import org.commonmark.parser.delimiter.DelimiterRun
+
+class StrikethroughDelimiterProcessor : DelimiterProcessor {
+
+    override fun getOpeningCharacter(): Char {
+        return '~'
+    }
+
+    override fun getClosingCharacter(): Char {
+        return '~'
+    }
+
+    override fun getMinLength(): Int {
+        return 1
+    }
+
+    override fun getDelimiterUse(opener: DelimiterRun, closer: DelimiterRun): Int {
+        return if (opener.length() >= 2 && closer.length() >= 2) {
+            // Use exactly two delimiters even if we have more, and don't care about internal openers/closers.
+            2
+        } else {
+            1
+        }
+    }
+
+    override fun process(opener: Text, closer: Text, delimiterCount: Int) {
+        // Wrap nodes between delimiters in strikethrough.
+        val strikethrough = Strikethrough()
+
+        var tmp: Node? = opener.next
+        while (tmp != null && tmp !== closer) {
+            val next = tmp.next
+            strikethrough.appendChild(tmp)
+            tmp = next
+        }
+
+        opener.insertAfter(strikethrough)
+    }
+}

app/src/main/java/chat/rocket/android/chatroom/uimodel/suggestion/EmojiSuggestionUiModel.kt

+package chat.rocket.android.chatroom.uimodel.suggestion
+
+import chat.rocket.android.emoji.Emoji
+import chat.rocket.android.suggestions.model.SuggestionModel
+import chat.rocket.common.model.UserStatus
+
+class EmojiSuggestionUiModel(
+    text: String,
+    pinned: Boolean = false,
+    val emoji: Emoji,
+    searchList: List<String>
+) : SuggestionModel(text, searchList, pinned) {
+
+    override fun toString(): String {
+        return "EmojiSuggestionUiModel(text='$text', searchList='$searchList', pinned=$pinned)"
+    }
+}

app/src/main/java/chat/rocket/android/helper/KeyboardHelper.kt

@@ -4,6 +4,7 @@ import android.app.Activity
 import android.content.Context
 import android.graphics.Rect
 import android.view.View
+import android.view.WindowManager
 import android.view.inputmethod.InputMethodManager
 
 
@@ -50,4 +51,4 @@ object KeyboardHelper {
             inputMethodManager.toggleSoftInput(InputMethodManager.SHOW_IMPLICIT, InputMethodManager.SHOW_IMPLICIT)
         }
     }
-}
+}
\ No newline at end of file

app/src/main/java/chat/rocket/android/helper/MessageParser.kt

@@ -5,6 +5,7 @@ import android.content.Context
 import android.graphics.Canvas
 import android.graphics.Paint
 import android.graphics.RectF
+import android.text.Spannable
 import android.text.Spanned
 import android.text.style.ClickableSpan
 import android.text.style.ImageSpan
@@ -13,6 +14,7 @@ import android.util.Patterns
 import android.view.View
 import androidx.core.content.res.ResourcesCompat
 import chat.rocket.android.R
+import chat.rocket.android.chatroom.ui.StrikethroughDelimiterProcessor
 import chat.rocket.android.emoji.EmojiParser
 import chat.rocket.android.emoji.EmojiRepository
 import chat.rocket.android.emoji.EmojiTypefaceSpan
@@ -21,16 +23,23 @@ import chat.rocket.android.server.domain.useRealName
 import chat.rocket.android.util.extensions.openTabbedUrl
 import chat.rocket.common.model.SimpleUser
 import chat.rocket.core.model.Message
+import org.commonmark.Extension
+import org.commonmark.ext.gfm.strikethrough.StrikethroughExtension
+import org.commonmark.ext.gfm.tables.TablesExtension
 import org.commonmark.node.AbstractVisitor
 import org.commonmark.node.Document
+import org.commonmark.node.Emphasis
 import org.commonmark.node.ListItem
 import org.commonmark.node.Node
 import org.commonmark.node.OrderedList
+import org.commonmark.node.StrongEmphasis
 import org.commonmark.node.Text
-import ru.noties.markwon.Markwon
+import org.commonmark.parser.Parser
 import ru.noties.markwon.SpannableBuilder
 import ru.noties.markwon.SpannableConfiguration
 import ru.noties.markwon.renderer.SpannableMarkdownVisitor
+import ru.noties.markwon.tasklist.TaskListExtension
+import java.util.*
 import javax.inject.Inject
 
 class MessageParser @Inject constructor(
@@ -39,8 +48,6 @@ class MessageParser @Inject constructor(
     private val settings: PublicSettings
 ) {
 
-    private val parser = Markwon.createParser()
-
     /**
      * Render markdown and other rules on message to rich text with spans.
      *
@@ -52,6 +59,16 @@ class MessageParser @Inject constructor(
     fun render(message: Message, selfUsername: String? = null): CharSequence {
         var text: String = message.message
         val mentions = mutableListOf<String>()
+
+        val parser = Parser.Builder()
+            .extensions(Arrays.asList<Extension>(
+                StrikethroughExtension.create(),
+                TablesExtension.create(),
+                TaskListExtension.create()
+            ))
+            .customDelimiterProcessor(StrikethroughDelimiterProcessor())
+            .build()
+
         message.mentions?.forEach {
             val mention = getMention(it)
             mentions.add(mention)
@@ -59,12 +76,17 @@ class MessageParser @Inject constructor(
                 text = text.replace("@${it.username}", mention)
             }
         }
+
         val builder = SpannableBuilder()
         val content = EmojiRepository.shortnameToUnicode(text)
-        val parentNode = parser.parse(toLenientMarkdown(content))
+        val parentNode = parser.parse(content)
+
+        parentNode.accept(EmphasisVisitor())
+        parentNode.accept(StrongEmphasisVisitor())
         parentNode.accept(MarkdownVisitor(configuration, builder))
         parentNode.accept(LinkVisitor(builder))
         parentNode.accept(EmojiVisitor(context, configuration, builder))
+
         message.mentions?.let {
             parentNode.accept(MentionVisitor(context, builder, mentions, selfUsername))
         }
@@ -72,13 +94,6 @@ class MessageParser @Inject constructor(
         return builder.text()
     }
 
-    // Convert to a lenient markdown consistent with Rocket.Chat web markdown instead of the official specs.
-    private fun toLenientMarkdown(text: String): String {
-        return text.trim().replace("\\*(.+)\\*".toRegex()) { "**${it.groupValues[1].trim()}**" }
-            .replace("\\~(.+)\\~".toRegex()) { "~~${it.groupValues[1].trim()}~~" }
-            .replace("\\_(.+)\\_".toRegex()) { "_${it.groupValues[1].trim()}_" }
-    }
-
     private fun getMention(user: SimpleUser): String {
         return if (settings.useRealName()) {
             user.name ?: "@${user.username}"
@@ -87,6 +102,31 @@ class MessageParser @Inject constructor(
         }
     }
 
+    class EmphasisVisitor : AbstractVisitor() {
+
+        override fun visit(emphasis: Emphasis) {
+            if (emphasis.openingDelimiter == "*" && emphasis.firstChild != null) {
+                val child = emphasis.firstChild
+                val strongEmphasis = StrongEmphasis()
+                strongEmphasis.appendChild(child)
+                emphasis.insertBefore(strongEmphasis)
+                emphasis.unlink()
+            }
+        }
+    }
+
+    class StrongEmphasisVisitor : AbstractVisitor() {
+        override fun visit(strongEmphasis: StrongEmphasis) {
+            if (strongEmphasis.openingDelimiter == "__" && strongEmphasis.firstChild != null) {
+                val child = strongEmphasis.firstChild
+                val emphasis = Emphasis()
+                emphasis.appendChild(child)
+                strongEmphasis.insertBefore(emphasis)
+                strongEmphasis.unlink()
+            }
+        }
+    }
+
     class MentionVisitor(
         context: Context,
         private val builder: SpannableBuilder,
@@ -98,28 +138,28 @@ class MessageParser @Inject constructor(
         private val othersBackgroundColor = ResourcesCompat.getColor(context.resources, android.R.color.transparent, context.theme)
         private val myselfTextColor = ResourcesCompat.getColor(context.resources, R.color.colorWhite, context.theme)
         private val myselfBackgroundColor = ResourcesCompat.getColor(context.resources, R.color.colorAccent, context.theme)
-        private val mentionPadding = context.resources.getDimensionPixelSize(R.dimen.padding_mention).toFloat()
-        private val mentionRadius = context.resources.getDimensionPixelSize(R.dimen.radius_mention).toFloat()
+        private val padding = context.resources.getDimensionPixelSize(R.dimen.padding_mention).toFloat()
+        private val radius = context.resources.getDimensionPixelSize(R.dimen.radius_mention).toFloat()
 
-        override fun visit(t: Text) {
-            val text = t.literal
+        override fun visit(document: Document) {
+            val text = builder.text()
             val mentionsList = mentions.toMutableList().also {
                 it.add("@all")
                 it.add("@here")
-            }.toList()
+            }.distinct()
 
             mentionsList.forEach {
                 val mentionMe = it == currentUser || it == "@all" || it == "@here"
-                var offset = text.indexOf(it, 0, true)
+                var offset = text.indexOf(string = it, startIndex = 0, ignoreCase = false)
                 while (offset > -1) {
                     val textColor = if (mentionMe) myselfTextColor else othersTextColor
                     val backgroundColor = if (mentionMe) myselfBackgroundColor else othersBackgroundColor
-                    val usernameSpan = MentionSpan(backgroundColor, textColor, mentionRadius, mentionPadding,
+                    val usernameSpan = MentionSpan(backgroundColor, textColor, radius, padding,
                         mentionMe)
                     // Add 1 to end offset to include the @.
-                    val end = offset + it.length + 1
-                    builder.setSpan(usernameSpan, offset, end, 0)
-                    offset = text.indexOf("@$it", end, true)
+                    val end = offset + it.length
+                    builder.setSpan(usernameSpan, offset, end, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE)
+                    offset = text.indexOf(string = "@$it", startIndex = end, ignoreCase = false)
                 }
             }
         }
@@ -179,7 +219,7 @@ class MessageParser @Inject constructor(
         }
 
         private fun newLine() {
-            if (builder.length() > 0 && '\n' != builder.lastChar()) {
+            if (builder.isNotEmpty() && '\n' != builder.lastChar()) {
                 builder.append('\n')
             }
         }
@@ -204,7 +244,6 @@ class MessageParser @Inject constructor(
                     consumed.add(link)
                 }
             }
-            visitChildren(text)
         }
     }
 

app/src/main/java/chat/rocket/android/infrastructure/LocalRepository.kt

@@ -27,6 +27,7 @@ interface LocalRepository {
         const val SETTINGS_KEY = "settings_"
         const val PERMISSIONS_KEY = "permissions_"
         const val USER_KEY = "user_"
+        const val UNFINISHED_MSG_KEY = "unfinished_msg_"
         const val CURRENT_USERNAME_KEY = "username_"
         const val LAST_CHATROOMS_REFRESH = "_chatrooms_refresh"
     }

app/src/main/res/layout/item_message_attachment.xml

@@ -5,13 +5,14 @@
     android:id="@+id/attachment_container"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
+    android:animateLayoutChanges="true"
     android:background="?android:attr/selectableItemBackground"
     android:clickable="true"
     android:focusable="true"
-    android:paddingBottom="@dimen/message_item_top_and_bottom_padding"
-    android:paddingEnd="@dimen/screen_edge_left_and_right_padding"
     android:paddingStart="@dimen/screen_edge_left_and_right_padding"
-    android:paddingTop="@dimen/message_item_top_and_bottom_padding">
+    android:paddingTop="@dimen/message_item_top_and_bottom_padding"
+    android:paddingEnd="@dimen/screen_edge_left_and_right_padding"
+    android:paddingBottom="@dimen/message_item_top_and_bottom_padding">
 
     <View
         android:id="@+id/quote_bar"
@@ -19,7 +20,7 @@
         android:layout_height="0dp"
         android:layout_marginStart="56dp"
         android:background="@drawable/quote_vertical_gray_bar"
-        app:layout_constraintBottom_toTopOf="@+id/recycler_view_reactions"
+        app:layout_constraintBottom_toTopOf="@+id/text_view_more"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent" />
 
@@ -28,11 +29,11 @@
         style="@style/Sender.Name.TextView"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
+        android:layout_marginStart="8dp"
         android:textColor="@color/colorPrimary"
-        tools:text="Ronald Perkins"
         app:layout_constraintStart_toEndOf="@+id/quote_bar"
         app:layout_constraintTop_toTopOf="parent"
-        android:layout_marginStart="8dp" />
+        tools:text="Ronald Perkins" />
 
     <TextView
         android:id="@+id/text_message_time"
@@ -40,28 +41,39 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_marginStart="10dp"
-        tools:text="11:45 PM"
+        app:layout_constraintBottom_toBottomOf="@+id/text_sender"
         app:layout_constraintStart_toEndOf="@+id/text_sender"
         app:layout_constraintTop_toTopOf="@+id/text_sender"
-        app:layout_constraintBottom_toBottomOf="@+id/text_sender"/>
+        tools:text="11:45 PM" />
 
     <TextView
         android:id="@+id/text_content"
         style="@style/Message.Quote.TextView"
         android:layout_width="0dp"
         android:layout_height="wrap_content"
-        android:ellipsize="end"
-        android:singleLine="true"
+        app:layout_constraintBottom_toTopOf="@id/text_view_more"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="@+id/text_sender"
         app:layout_constraintTop_toBottomOf="@+id/text_sender"
         tools:text="This is a multiline chat message from Bertie that will take more than just one line of text. I have sure that everything is amazing!" />
 
+    <TextView
+        android:id="@+id/text_view_more"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:gravity="end"
+        android:textColor="@color/darkGray"
+        android:textSize="14sp"
+        app:layout_constraintEnd_toEndOf="@+id/text_content"
+        app:layout_constraintStart_toStartOf="@+id/quote_bar"
+        app:layout_constraintTop_toBottomOf="@+id/text_content"
+        tools:text="Visualizar mais" />
+
     <include
         layout="@layout/layout_reactions"
         android:layout_width="0dp"
         android:layout_height="wrap_content"
         app:layout_constraintStart_toStartOf="@+id/quote_bar"
-        app:layout_constraintTop_toBottomOf="@+id/text_content" />
+        app:layout_constraintTop_toBottomOf="@+id/text_view_more" />
 
-</androidx.constraintlayout.widget.ConstraintLayout>
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file

app/src/main/res/layout/suggestion_emoji_item.xml

+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:layout_marginStart="8dp"
+    android:layout_marginTop="2dp"
+    android:layout_marginEnd="2dp"
+    android:layout_marginBottom="2dp"
+    android:background="@color/suggestion_background_color">
+
+    <ViewFlipper
+        android:id="@+id/view_flipper_emoji"
+        android:layout_width="24dp"
+        android:layout_height="24dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent">
+
+        <TextView
+            android:id="@+id/text_emoji"
+            android:layout_width="24dp"
+            android:layout_height="24dp"
+            android:textColor="@android:color/black"
+            tools:text=":)" />
+
+        <ImageView
+            android:id="@+id/image_emoji"
+            android:layout_width="24dp"
+            android:layout_height="24dp"
+            tools:src="@tools:sample/avatars" />
+
+    </ViewFlipper>
+
+    <TextView
+        android:id="@+id/text_emoji_shortname"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="5dp"
+        android:maxLines="1"
+        android:textColor="@color/colorBlack"
+        android:textSize="16sp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toEndOf="@+id/view_flipper_emoji"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:text=":grinning:" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/values-de/strings.xml

@@ -142,6 +142,10 @@
     <string name="msg_message_copied">Nachricht kopiert</string>
     <string name="msg_delete_message">Lösche Nachricht</string>
     <string name="msg_delete_description">Sind Sie sicher, dass Sie diese Nachricht löschen wollen?</string>
+    <!-- TODO - Add proper translation -->
+    <string name="msg_view_more">view more</string>
+    <!-- TODO - Add proper translation -->
+    <string name="msg_view_less">view less</string>
 
     <!-- Preferences messages -->
     <string name="msg_analytics_tracking">Analytics tracking</string> <!-- TODO Add translation -->

app/src/main/res/values-es/strings.xml

@@ -139,6 +139,10 @@
     <string name="msg_member_already_added">Ya has seleccionado este usuario</string>
     <string name="msg_member_not_found">Miembro no encontrado</string>
     <string name="msg_channel_created_successfully">Canal creado con éxito</string>
+    <!-- TODO - Add proper translation -->
+    <string name="msg_view_more">view more</string>
+    <!-- TODO - Add proper translation -->
+    <string name="msg_view_less">view less</string>
 
     <!-- Preferences messages -->
     <string name="msg_analytics_tracking">Analytics tracking</string> <!-- TODO Add translation -->

app/src/main/res/values-fr/strings.xml

@@ -131,6 +131,10 @@
     <string name="msg_send">envoyer</string>
     <string name="msg_delete_message">Supprimer Message</string>
     <string name="msg_delete_description">Êtes-vous sûr de vouloir supprimer ce message</string>
+    <!-- TODO - Add proper translation -->
+    <string name="msg_view_more">view more</string>
+    <!-- TODO - Add proper translation -->
+    <string name="msg_view_less">view less</string>
 
     <!-- Create channel messages -->
     <string name="msg_private_channel">Privé</string>

app/src/main/res/values-hi-rIN/strings.xml

@@ -145,6 +145,10 @@
     <string name="msg_member_already_added">आपने पहले से ही इस यूजर को चुन चुके है।</string>
     <string name="msg_member_not_found">सदस्य नहीं मिला</string>
     <string name="msg_channel_created_successfully">चैनल सफलतापूर्वक बनाया गया</string>
+    <!--  TODO - Add proper translation -->
+    <string name="msg_view_more">view more</string>
+    <!-- TODO - Add proper translation -->
+    <string name="msg_view_less">view less</string>
 
     <!-- Preferences messages -->
     <string name="msg_analytics_tracking">एनालिटिक्स ट्रैकिंग</string>

app/src/main/res/values-ja/strings.xml

@@ -132,6 +132,10 @@
     <string name="msg_file_description">ファイルの説明</string>
     <string name="msg_send">送信</string>
     <string name="msg_sent_attachment">添付ファイルを送信しました</string>
+    <!-- TODO - Add proper translation -->
+    <string name="msg_view_more">view more</string>
+    <!-- TODO - Add proper translation -->
+    <string name="msg_view_less">view less</string>
 
     <!-- Create channel messages -->
     <string name="msg_private_channel">プライベート</string>

app/src/main/res/values-pt-rBR/strings.xml

@@ -130,9 +130,10 @@
     <string name="msg_upload_file">Subir arquivo</string>
     <string name="msg_file_description">Descrição do arquivo</string>
     <string name="msg_send">Enviar</string>
-    // TODO: Add proper translation.
-    <string name="msg_delete_message">Delete Message</string>
-    <string name="msg_delete_description">Are you sure you want to delete this message</string>
+    <string name="msg_delete_message">Remove mensagem</string>
+    <string name="msg_delete_description">Tem certeza que quer apagar esta mensagem?</string>
+    <string name="msg_view_more">visualizar mais</string>
+    <string name="msg_view_less">visualizar menos</string>
 
     <!-- Create channel messages -->
     <string name="msg_private_channel">Privado</string>

app/src/main/res/values-ru-rRU/strings.xml

@@ -130,6 +130,10 @@
     <string name="msg_delete_description">Вы уверены, что хотите удалить это сообщение?</string>
     <string name="msg_channel_name">Название канала</string>
     <string name="msg_search">Поиск</string>
+    <!-- TODO - Add proper translation -->
+    <string name="msg_view_more">view more</string>
+    <!-- TODO - Add proper translation -->
+    <string name="msg_view_less">view less</string>
 
     <!-- Create channel messages -->
     <string name="msg_private_channel">Приватный</string>

app/src/main/res/values-uk/strings.xml

@@ -129,6 +129,10 @@
     <string name="msg_send">Надіслати</string>
     <string name="msg_delete_message">Видалити повідомлення</string>
     <string name="msg_delete_description">Ви впевнені, що хочете видалити це повідомлення?</string>
+    <!-- TODO - Add proper translation -->
+    <string name="msg_view_more">view more</string>
+    <!-- TODO - Add proper translation -->
+    <string name="msg_view_less">view less</string>
 
     <!-- Create channel messages -->
     <string name="msg_private_channel">Приватний</string>

app/src/main/res/values/dimens.xml

@@ -44,4 +44,6 @@
     <dimen name="viewer_toolbar_padding">16dp</dimen>
     <dimen name="viewer_toolbar_title">16sp</dimen>
 
+    <dimen name="quote_collapsed_height">32dp</dimen>
+
 </resources>
\ No newline at end of file

app/src/main/res/values/strings.xml

@@ -159,6 +159,8 @@ https://github.com/RocketChat/java-code-styles/blob/master/CODING_STYLE.md#strin
     <string name="msg_message_copied">Message copied</string>
     <string name="msg_delete_message">Delete Message</string>
     <string name="msg_delete_description">Are you sure you want to delete this message</string>
+    <string name="msg_view_more">view more</string>
+    <string name="msg_view_less">view less</string>
     
     <!-- Preferences messages -->
     <string name="msg_analytics_tracking">Analytics tracking</string>

dependencies.gradle

@@ -48,7 +48,7 @@ ext {
             kotshi                : '1.0.4',
 
             frescoImageViewer     : '0.5.1',
-            markwon               : '1.1.1',
+            markwon               : '2.0.0',
             aVLoadingIndicatorView: '2.1.3',
             glide                 : '4.8.0',
 

emoji/src/main/java/chat/rocket/android/emoji/EmojiRepository.kt

@@ -146,7 +146,7 @@ object EmojiRepository {
      *
      * @return All emojis for all categories.
      */
-    internal suspend fun getAll(): List<Emoji> = withContext(CommonPool) {
+    suspend fun getAll(): List<Emoji> = withContext(CommonPool) {
         return@withContext db.emojiDao().loadAllEmojis()
     }
 

suggestions/src/androidTest/java/yampsample/leonardoaramaki/github/com/suggestions/ExampleInstrumentedTest.java

-package yampsample.leonardoaramaki.github.com.suggestions;
-
-import android.content.Context;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.runner.AndroidJUnit4;
-
-import org.junit.Test;
-import org.junit.runner.RunWith;
-
-import static org.junit.Assert.*;
-
-/**
- * Instrumented test, which will execute on an Android device.
- *
- * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
- */
-@RunWith(AndroidJUnit4.class)
-public class ExampleInstrumentedTest {
-    @Test
-    public void useAppContext() {
-        // Context of the app under test.
-        Context appContext = InstrumentationRegistry.getTargetContext();
-
-        assertEquals("yampsample.leonardoaramaki.github.com.suggestions.test", appContext.getPackageName());
-    }
-}

suggestions/src/main/java/chat/rocket/android/suggestions/model/SuggestionModel.kt

 package chat.rocket.android.suggestions.model
 
-abstract class SuggestionModel(val text: String, // This is the text key for searches, must be unique.
-                               val searchList: List<String> = emptyList(),  // Where to search for matches.
-                               val pinned: Boolean = false /* If pinned item will have priority to show */) {
+abstract class SuggestionModel(
+    val text: String, // This is the text key for searches, must be unique.
+    val searchList: List<String> = emptyList(),  // Where to search for matches.
+    val pinned: Boolean = false /* If pinned item will have priority to show */
+) {
+
     override fun equals(other: Any?): Boolean {
         if (this === other) return true
         if (other !is SuggestionModel) return false

suggestions/src/main/java/chat/rocket/android/suggestions/strategy/trie/TrieCompletionStrategy.kt

@@ -18,7 +18,9 @@ class TrieCompletionStrategy : CompletionStrategy {
         return item
     }
 
-    override fun autocompleteItems(prefix: String) = trie.autocompleteItems(prefix)
+    override fun autocompleteItems(prefix: String): List<SuggestionModel> {
+        return trie.autocompleteItems(prefix)
+    }
 
     override fun addAll(list: List<SuggestionModel>) {
         items.addAll(list)

suggestions/src/main/java/chat/rocket/android/suggestions/strategy/trie/data/Trie.kt

@@ -34,10 +34,7 @@ internal class Trie {
         val sanitizedWord = word.trim().toLowerCase()
         var current = root
         sanitizedWord.forEach { ch ->
-            val child = current.getChild(ch)
-            if (child == null) {
-                return false
-            }
+            val child = current.getChild(ch) ?: return false
             current = child
         }
         if (current.isLeaf) {
@@ -63,7 +60,7 @@ internal class Trie {
             lastNode = lastNode?.getChild(ch)
             if (lastNode == null) return emptyList()
         }
-        return lastNode!!.getItems()
+        return lastNode!!.getItems().take(5).toList()
     }
 
     fun getCount() = count

suggestions/src/main/java/chat/rocket/android/suggestions/strategy/trie/data/TrieNode.kt

 package chat.rocket.android.suggestions.strategy.trie.data
 
 import chat.rocket.android.suggestions.model.SuggestionModel
+import kotlin.coroutines.experimental.buildSequence
+
+internal class TrieNode(
+    internal var data: Char,
+    internal var parent: TrieNode? = null,
+    internal var isLeaf: Boolean = false,
+    internal var item: SuggestionModel? = null
+) {
 
-internal class TrieNode(internal var data: Char,
-                                            internal var parent: TrieNode? = null,
-                                            internal var isLeaf: Boolean = false,
-                                            internal var item: SuggestionModel? = null) {
     val children = hashMapOf<Char, TrieNode>()
 
     fun getChild(c: Char): TrieNode? {
@@ -28,19 +32,17 @@ internal class TrieNode(internal var data: Char,
         return list
     }
 
-    class X : SuggestionModel("")
+    fun getItems(): Sequence<SuggestionModel> = buildSequence {
 
-    fun getItems(): List<SuggestionModel> {
-        val list = arrayListOf<SuggestionModel>()
         if (isLeaf) {
-            list.add(item!!)
+            yield(item!!)
         }
+
         children.forEach { node ->
             node.value.let {
-                list.addAll(it.getItems())
+                yieldAll(it.getItems())
             }
         }
-        return list
     }
 
     override fun toString(): String = if (parent == null) "" else "${parent.toString()}$data"

suggestions/src/main/java/chat/rocket/android/suggestions/ui/SuggestionsAdapter.kt

@@ -10,17 +10,9 @@ import kotlin.properties.Delegates
 abstract class SuggestionsAdapter<VH : BaseSuggestionViewHolder>(
         val token: String,
         val constraint: Int = CONSTRAINT_UNBOUND,
-        threshold: Int = MAX_RESULT_COUNT) : RecyclerView.Adapter<VH>() {
-    companion object {
-        // Any number of results.
-        const val RESULT_COUNT_UNLIMITED = -1
-        // Trigger suggestions only if on the line start.
-        const val CONSTRAINT_BOUND_TO_START = 0
-        // Trigger suggestions from anywhere.
-        const val CONSTRAINT_UNBOUND = 1
-        // Maximum number of results to display by default.
-        private const val MAX_RESULT_COUNT = 5
-    }
+        completionStrategy: CompletionStrategy? = null,
+        threshold: Int = MAX_RESULT_COUNT
+) : RecyclerView.Adapter<VH>() {
 
     private var itemType: Type? = null
     private var itemClickListener: ItemClickListener? = null
@@ -30,7 +22,7 @@ abstract class SuggestionsAdapter<VH : BaseSuggestionViewHolder>(
     // Maximum number of results/suggestions to display.
     private var resultsThreshold: Int = if (threshold > 0) threshold else RESULT_COUNT_UNLIMITED
     // The strategy used for suggesting completions.
-    private val strategy: CompletionStrategy = StringMatchingCompletionStrategy(resultsThreshold)
+    private val strategy: CompletionStrategy = completionStrategy ?: StringMatchingCompletionStrategy(resultsThreshold)
     // Current input term to look up for suggestions.
     private var currentTerm: String by Delegates.observable("") { _, _, newTerm ->
         val items = strategy.autocompleteItems(newTerm)
@@ -105,4 +97,15 @@ abstract class SuggestionsAdapter<VH : BaseSuggestionViewHolder>(
     interface ItemClickListener {
         fun onClick(item: SuggestionModel)
     }
-}
+
\ No newline at end of file
+    companion object {
+        // Any number of results.
+        const val RESULT_COUNT_UNLIMITED = -1
+        // Trigger suggestions only if on the line start.
+        const val CONSTRAINT_BOUND_TO_START = 0
+        // Trigger suggestions from anywhere.
+        const val CONSTRAINT_UNBOUND = 1
+        // Maximum number of results to display by default.
+        private const val MAX_RESULT_COUNT = 5
+    }
+}

suggestions/src/main/java/chat/rocket/android/suggestions/ui/SuggestionsView.kt

@@ -149,15 +149,14 @@ class SuggestionsView : FrameLayout, TextWatcher {
     }
 
     fun addTokenAdapter(adapter: SuggestionsAdapter<*>): SuggestionsView {
-        adaptersByToken.getOrPut(adapter.token, { adapter })
+        adaptersByToken.getOrPut(adapter.token) { adapter }
         return this
     }
 
     fun addItems(token: String, list: List<SuggestionModel>): SuggestionsView {
         if (list.isNotEmpty()) {
             val adapter = adapter(token)
-            localProvidersByToken.getOrPut(token, { hashMapOf() })
-                .put(adapter.term(), list)
+            localProvidersByToken.getOrPut(token) { hashMapOf() }.put(adapter.term(), list)
             if (completionOffset.get() > NO_STATE_INDEX && adapter.itemCount == 0) expand()
             adapter.addItems(list)
         }

suggestions/src/test/java/yampsample/leonardoaramaki/github/com/suggestions/ExampleUnitTest.java

-package yampsample.leonardoaramaki.github.com.suggestions;
-
-import org.junit.Test;
-
-import static org.junit.Assert.*;
-
-/**
- * Example local unit test, which will execute on the development machine (host).
- *
- * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
- */
-public class ExampleUnitTest {
-    @Test
-    public void addition_isCorrect() {
-        assertEquals(4, 2 + 2);
-    }
-}
\ No newline at end of file