[WIP] Emoji Reactions

build.gradle

@@ -8,7 +8,8 @@ buildscript {
         jcenter()
         maven {
             url "https://plugins.gradle.org/m2/"
-        }    }
+        }
+    }
     dependencies {
         classpath 'com.android.tools.build:gradle:3.3.2'
         classpath 'com.google.gms:google-services:4.2.0'

matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/room/RoomEventService.kt

@@ -0,0 +1,23 @@
+/*
+ * Copyright 2019 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package im.vector.matrix.android.api.session.room
+
+import im.vector.matrix.android.api.session.events.model.Event
+
+interface RoomEventService {
+
+    fun getEvent(eventId: String?) : Event
+}

matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/room/model/message/MessageContent.kt

@@ -16,6 +16,7 @@
 
 package im.vector.matrix.android.api.session.room.model.message
 
+
 interface MessageContent {
     val type: String
     val body: String

matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/room/send/SendState.kt

@@ -18,9 +18,13 @@ package im.vector.matrix.android.api.session.room.send
 
 enum class SendState {
     UNKNOWN,
+    // the event has not been sent
     UNSENT,
+    // the event is encrypting
     ENCRYPTING,
+    // the event is currently sending
     SENDING,
+    // the event has been sent
     SENT,
     SYNCED;
 

matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/room/timeline/TimelineEvent.kt

@@ -17,6 +17,7 @@
 package im.vector.matrix.android.api.session.room.timeline
 
 import im.vector.matrix.android.api.session.events.model.Event
+import im.vector.matrix.android.api.session.events.model.EventType
 import im.vector.matrix.android.api.session.room.model.RoomMember
 import im.vector.matrix.android.api.session.room.send.SendState
 
@@ -59,4 +60,8 @@ data class TimelineEvent(
     inline fun <reified T> getMetadata(key: String): T? {
         return metadata[key] as T?
     }
+
+    fun isEncrypted() : Boolean {
+        return EventType.ENCRYPTED == root.type
+    }
 }

matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/room/timeline/TimelineService.kt

@@ -30,4 +30,6 @@ interface TimelineService {
      */
     fun createTimeline(eventId: String?, allowedTypes: List<String>? = null): Timeline
 
+
+    fun getTimeLineEvent(eventId: String): TimelineEvent?
 }

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/room/members/SenderRoomMemberExtractor.kt

@@ -28,17 +28,18 @@ import im.vector.matrix.android.internal.database.query.findIncludingEvent
 import im.vector.matrix.android.internal.database.query.next
 import im.vector.matrix.android.internal.database.query.prev
 import im.vector.matrix.android.internal.database.query.where
+import io.realm.Realm
 import io.realm.RealmList
 import io.realm.RealmQuery
 
 internal class SenderRoomMemberExtractor(private val roomId: String) {
 
-    fun extractFrom(event: EventEntity): RoomMember? {
+    fun extractFrom(event: EventEntity, realm: Realm = event.realm): RoomMember? {
         val sender = event.sender ?: return null
         // If the event is unlinked we want to fetch unlinked state events
         val unlinked = event.isUnlinked
-        val roomEntity = RoomEntity.where(event.realm, roomId = roomId).findFirst() ?: return null
+        val roomEntity = RoomEntity.where(realm, roomId = roomId).findFirst() ?: return null
-        val chunkEntity = ChunkEntity.findIncludingEvent(event.realm, event.eventId)
+        val chunkEntity = ChunkEntity.findIncludingEvent(realm, event.eventId)
         val content = when {
             chunkEntity == null   -> null
             event.stateIndex <= 0 -> baseQuery(chunkEntity.events, sender, unlinked).next(from = event.stateIndex)?.prevContent

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/room/timeline/DefaultTimelineService.kt

@@ -18,8 +18,12 @@ package im.vector.matrix.android.internal.session.room.timeline
 
 import com.zhuinden.monarchy.Monarchy
 import im.vector.matrix.android.api.session.room.timeline.Timeline
+import im.vector.matrix.android.api.session.room.timeline.TimelineEvent
 import im.vector.matrix.android.api.session.room.timeline.TimelineService
+import im.vector.matrix.android.internal.database.model.EventEntity
+import im.vector.matrix.android.internal.database.query.where
 import im.vector.matrix.android.internal.task.TaskExecutor
+import im.vector.matrix.android.internal.util.fetchMappedCopied
 
 internal class DefaultTimelineService(private val roomId: String,
                                       private val monarchy: Monarchy,
@@ -33,4 +37,12 @@ internal class DefaultTimelineService(private val roomId: String,
         return DefaultTimeline(roomId, eventId, monarchy.realmConfiguration, taskExecutor, contextOfEventTask, timelineEventFactory, paginationTask, allowedTypes)
     }
 
+    override fun getTimeLineEvent(eventId: String): TimelineEvent? {
+        return monarchy.fetchMappedCopied({
+            EventEntity.where(it, eventId = eventId).findFirst()
+        }, { entity, realm ->
+            timelineEventFactory.create(entity, realm)
+        })
+    }
+
 }

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/room/timeline/TimelineEventFactory.kt

@@ -20,16 +20,17 @@ import im.vector.matrix.android.api.session.room.timeline.TimelineEvent
 import im.vector.matrix.android.internal.database.mapper.asDomain
 import im.vector.matrix.android.internal.database.model.EventEntity
 import im.vector.matrix.android.internal.session.room.members.SenderRoomMemberExtractor
+import io.realm.Realm
 
 internal class TimelineEventFactory(private val roomMemberExtractor: SenderRoomMemberExtractor) {
 
     private val cached = mutableMapOf<String, SenderData>()
 
-    fun create(eventEntity: EventEntity): TimelineEvent {
+    fun create(eventEntity: EventEntity, realm: Realm = eventEntity.realm): TimelineEvent {
         val sender = eventEntity.sender
         val cacheKey = sender + eventEntity.stateIndex
         val senderData = cached.getOrPut(cacheKey) {
-            val senderRoomMember = roomMemberExtractor.extractFrom(eventEntity)
+            val senderRoomMember = roomMemberExtractor.extractFrom(eventEntity,realm)
             SenderData(senderRoomMember?.displayName, senderRoomMember?.avatarUrl)
         }
         return TimelineEvent(

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/util/Monarchy.kt

@@ -42,6 +42,17 @@ fun <T : RealmModel> Monarchy.fetchCopied(query: (Realm) -> T?): T? {
     return fetch(query, true)
 }
 
+fun <U, T : RealmModel> Monarchy.fetchMappedCopied(query: (Realm) -> T?, map: (T, realm: Realm) -> U): U? {
+    val ref = AtomicReference<U?>()
+    doWithRealm { realm ->
+        val result = query.invoke(realm)?.let {
+            map(realm.copyFromRealm(it), realm)
+        }
+        ref.set(result)
+    }
+    return ref.get()
+}
+
 private fun <T : RealmModel> Monarchy.fetch(query: (Realm) -> T?, copyFromRealm: Boolean): T? {
     val ref = AtomicReference<T>()
     doWithRealm { realm ->

reactions/build.gradle

@@ -12,6 +12,7 @@ android {
         targetSdkVersion 28
         versionCode 1
         versionName "1.0"
+        multiDexEnabled true
 
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
 
@@ -36,6 +37,9 @@ dependencies {
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:$coroutines_version"
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:$coroutines_version"
 
+    // Log
+    implementation 'com.jakewharton.timber:timber:4.7.1'
+
     implementation 'com.google.code.gson:gson:2.8.5'
     implementation 'com.android.support:appcompat-v7:28.0.0'
     implementation 'androidx.appcompat:appcompat:1.0.0-beta01'

reactions/src/main/AndroidManifest.xml

@@ -3,6 +3,10 @@
     package="im.vector.reactions">
 
     <application>
+        <meta-data
+            android:name="fontProviderRequests"
+            android:value="Noto Color Emoji Compat" />
+
         <activity
             android:name=".EmojiReactionPickerActivity"
             android:label="@string/title_activity_emoji_reaction_picker"

reactions/src/main/java/im/vector/reactions/EmojiChooserFragment.kt

@@ -41,7 +41,9 @@ class EmojiChooserFragment : Fragment() {
 
     override fun onActivityCreated(savedInstanceState: Bundle?) {
         super.onActivityCreated(savedInstanceState)
-        viewModel = ViewModelProviders.of(this).get(EmojiChooserViewModel::class.java)
+        viewModel = activity?.run {
+            ViewModelProviders.of(this).get(EmojiChooserViewModel::class.java)
+        } ?: throw Exception("Invalid Activity")
         viewModel.initWithContect(context!!)
         (view as? RecyclerView)?.let {
             it.adapter = viewModel.adapter

reactions/src/main/java/im/vector/reactions/EmojiChooserViewModel.kt

@@ -16,14 +16,29 @@
 package im.vector.reactions
 
 import android.content.Context
+import androidx.lifecycle.MutableLiveData
 import androidx.lifecycle.ViewModel
 
 class EmojiChooserViewModel : ViewModel() {
 
     var adapter: EmojiRecyclerAdapter? = null
+    val emojiSourceLiveData: MutableLiveData<EmojiDataSource> = MutableLiveData()
+
+    val currentSection: MutableLiveData<Int> = MutableLiveData()
 
     fun initWithContect(context: Context) {
-        adapter = EmojiRecyclerAdapter(EmojiDataSource(context))
+        val emojiDataSource = EmojiDataSource(context)
+        emojiSourceLiveData.value = emojiDataSource
+        adapter = EmojiRecyclerAdapter(emojiDataSource)
+        adapter?.interactionListener = object : EmojiRecyclerAdapter.InteractionListener {
+            override fun firstVisibleSectionChange(section: Int) {
+               currentSection.value = section
             }
 
+        }
+    }
+
+    fun scrollToSection(sectionIndex: Int) {
+        adapter?.scrollToSection(sectionIndex)
+    }
 }

reactions/src/main/java/im/vector/reactions/EmojiDrawView.kt

@@ -3,17 +3,14 @@ package im.vector.reactions
 import android.content.Context
 import android.graphics.Canvas
 import android.graphics.Color
+import android.graphics.Typeface
+import android.text.Layout
 import android.text.StaticLayout
 import android.text.TextPaint
 import android.util.AttributeSet
 import android.view.View
-import android.text.Layout
+import java.lang.Exception
-import android.util.Log
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.GlobalScope
-import kotlinx.coroutines.launch
 import kotlin.math.abs
-import kotlin.math.max
 
 
 /**
@@ -25,29 +22,26 @@ class EmojiDrawView @JvmOverloads constructor(
 ) : View(context, attrs, defStyleAttr) {
 
     var mLayout: StaticLayout? = null
+        set(value) {
+            field = value
+            invalidate()
+        }
 
 //    var _mySpacing = 0f
 
     var emoji: String? = null
-        set(value) {
+//        set(value) {
-            field = value
+//            if (value != null) {
-            if (value != null) {
+//                EmojiRecyclerAdapter.beginTraceSession("EmojiDrawView.TextStaticLayout")
-                EmojiRecyclerAdapter.beginTraceSession("EmojiDrawView.TextStaticLayout")
+//                mLayout = StaticLayout(value, tPaint, emojiSize, Layout.Alignment.ALIGN_CENTER, 1f, 0f, true)
-//                GlobalScope.launch {
+//                if (value != field) invalidate()
-//                    val sl = StaticLayout(value, tPaint, emojiSize, Layout.Alignment.ALIGN_CENTER, 1f, 0f, true)
+//                EmojiRecyclerAdapter.endTraceSession()
-//                    GlobalScope.launch(Dispatchers.Main) {
+//            } else {
-//                        if (emoji == value) {
+//                mLayout = null
-//                            mLayout = sl
+////                if (value != field) invalidate()
-//                            //invalidate()
 //            }
+//            field = value
 //        }
-//                }
-                mLayout = StaticLayout(value, tPaint, emojiSize, Layout.Alignment.ALIGN_CENTER, 1f, 0f, true)
-                EmojiRecyclerAdapter.endTraceSession()
-            } else {
-                mLayout = null
-            }
-        }
 
     override fun onDraw(canvas: Canvas?) {
         EmojiRecyclerAdapter.beginTraceSession("EmojiDrawView.onDraw")
@@ -55,7 +49,7 @@ class EmojiDrawView @JvmOverloads constructor(
         canvas?.save()
         val space = abs((width - emojiSize) / 2f)
         if (mLayout == null) {
-            canvas?.drawCircle(width / 2f ,width / 2f, emojiSize / 2f,tPaint)
+//            canvas?.drawCircle(width / 2f ,width / 2f, emojiSize / 2f,tPaint)
         } else {
             canvas?.translate(space, space)
             mLayout!!.draw(canvas)
@@ -65,14 +59,18 @@ class EmojiDrawView @JvmOverloads constructor(
     }
 
     companion object {
-        private val tPaint = TextPaint()
+        val tPaint = TextPaint()
 
-        private var emojiSize = 40
+        var emojiSize = 40
 
-        fun configureTextPaint(context: Context) {
+        fun configureTextPaint(context: Context, typeface: Typeface?) {
             tPaint.isAntiAlias = true;
             tPaint.textSize = 24 * context.resources.displayMetrics.density
             tPaint.color = Color.LTGRAY
+            typeface?.let {
+                tPaint.typeface = it
+            }
+
             emojiSize = tPaint.measureText("😅").toInt()
         }
     }

reactions/src/main/java/im/vector/reactions/EmojiReactionPickerActivity.kt

@@ -15,34 +15,121 @@
  */
 package im.vector.reactions
 
+import android.content.Context
+import android.content.Intent
+import android.graphics.Typeface
 import android.os.Bundle
+import android.os.Handler
+import android.os.HandlerThread
+import android.util.TypedValue
 import android.view.Menu
 import android.view.MenuInflater
 import android.view.MenuItem
 import android.widget.SearchView
 import androidx.appcompat.app.AppCompatActivity
+import androidx.appcompat.widget.Toolbar
+import androidx.core.provider.FontRequest
+import androidx.core.provider.FontsContractCompat
+import androidx.lifecycle.Observer
+import androidx.lifecycle.ViewModelProviders
 import com.google.android.material.tabs.TabLayout
+import timber.log.Timber
 
+
+/**
+ *
+ * TODO: Loading indicator while getting emoji data source?
+ * TODO: migrate to maverick
+ */
 class EmojiReactionPickerActivity : AppCompatActivity() {
 
-    lateinit var tabLayout: TabLayout
+    private lateinit var tabLayout: TabLayout
+
+    lateinit var viewModel: EmojiChooserViewModel
+
+    private var mHandler: Handler? = null
+
+    private var tabLayoutSelectionListener = object : TabLayout.BaseOnTabSelectedListener<TabLayout.Tab> {
+        override fun onTabReselected(p0: TabLayout.Tab) {
+        }
+
+        override fun onTabUnselected(p0: TabLayout.Tab) {
+        }
+
+        override fun onTabSelected(p0: TabLayout.Tab) {
+            viewModel.scrollToSection(p0.position)
+        }
+
+    }
+
+    private fun getFontThreadHandler(): Handler {
+        if (mHandler == null) {
+            val handlerThread = HandlerThread("fonts")
+            handlerThread.start()
+            mHandler = Handler(handlerThread.looper)
+        }
+        return mHandler!!
+    }
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
+
+        requestEmojivUnicode10CompatibleFont()
+
+
         setContentView(R.layout.activity_emoji_reaction_picker)
         setSupportActionBar(findViewById(R.id.toolbar))
 
         tabLayout = findViewById(R.id.tabs)
 
 
-        tabLayout.addTab(tabLayout.newTab().setText("Tab 1"));
-        tabLayout.addTab(tabLayout.newTab().setText("Tab 2"));
-        tabLayout.addTab(tabLayout.newTab().setText("Tab 3"));
 
+        viewModel = ViewModelProviders.of(this).get(EmojiChooserViewModel::class.java)
 
+        viewModel.emojiSourceLiveData.observe(this, Observer {
+            it.rawData?.categories?.let { categories ->
+                for (category in categories) {
+                    val s = category.emojis[0]
+                    tabLayout.addTab(tabLayout.newTab().setText(it.rawData!!.emojis[s]!!.emojiString()))
+                }
+                tabLayout.addOnTabSelectedListener(tabLayoutSelectionListener)
+            }
+
+        })
+
+        viewModel.currentSection.observe(this, Observer { section ->
+            section?.let {
+                tabLayout.removeOnTabSelectedListener(tabLayoutSelectionListener)
+                tabLayout.getTabAt(it)?.select()
+                tabLayout.addOnTabSelectedListener(tabLayoutSelectionListener)
+            }
+        })
         supportActionBar?.title = getString(R.string.title_activity_emoji_reaction_picker)
     }
 
+    private fun requestEmojivUnicode10CompatibleFont() {
+        val fontRequest = FontRequest(
+                "com.google.android.gms.fonts",
+                "com.google.android.gms",
+                "Noto Color Emoji Compat",
+                R.array.com_google_android_gms_fonts_certs
+        )
+
+        EmojiDrawView.configureTextPaint(this, null)
+        val callback = object : FontsContractCompat.FontRequestCallback() {
+
+            override fun onTypefaceRetrieved(typeface: Typeface) {
+                EmojiDrawView.configureTextPaint(this@EmojiReactionPickerActivity, typeface)
+            }
+
+            override fun onTypefaceRequestFailed(reason: Int) {
+                Timber.e("Failed to load Emoji Compatible font, reason:$reason")
+            }
+        }
+
+        FontsContractCompat.requestFont(this, fontRequest, callback, getFontThreadHandler())
+    }
+
     override fun onCreateOptionsMenu(menu: Menu): Boolean {
         val inflater: MenuInflater = menuInflater
         inflater.inflate(R.menu.menu_emoji_reaction_picker, menu)
@@ -54,20 +141,40 @@ class EmojiReactionPickerActivity : AppCompatActivity() {
                 override fun onMenuItemActionExpand(p0: MenuItem?): Boolean {
                     it.isIconified = false
                     it.requestFocusFromTouch()
+                    //we want to force the tool bar as visible even if hidden with scroll flags
+                    findViewById<Toolbar>(R.id.toolbar)?.minimumHeight = getActionBarSize()
                     return true
                 }
 
                 override fun onMenuItemActionCollapse(p0: MenuItem?): Boolean {
                     // when back, clear all search
+                    findViewById<Toolbar>(R.id.toolbar)?.minimumHeight = 0
                     it.setQuery("", true)
                     return true
                 }
             })
         }
 
-
         return true
     }
 
+    //TODO move to ThemeUtils when core module is created
+    private fun getActionBarSize(): Int {
+        return try {
+            val typedValue = TypedValue()
+            theme.resolveAttribute(R.attr.actionBarSize, typedValue, true)
+            TypedValue.complexToDimensionPixelSize(typedValue.data, resources.displayMetrics)
+        } catch (e: Exception) {
+            //Timber.e(e, "Unable to get color")
+            TypedValue.complexToDimensionPixelSize(56, resources.displayMetrics)
+        }
+    }
 
+    companion object {
+        fun intent(context: Context): Intent {
+            val intent = Intent(context, EmojiReactionPickerActivity::class.java)
+//            intent.putExtra(EXTRA_MATRIX_ID, matrixID)
+            return intent
+        }
+    }
 }

reactions/src/main/java/im/vector/reactions/EmojiRecyclerAdapter.kt

@@ -15,66 +15,58 @@
  */
 package im.vector.reactions
 
-import android.annotation.SuppressLint
 import android.os.Build
 import android.os.Trace
+import android.text.Layout
+import android.text.StaticLayout
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import android.widget.FrameLayout
 import android.widget.TextView
 import androidx.recyclerview.widget.DefaultItemAnimator
 import androidx.recyclerview.widget.GridLayoutManager
 import androidx.recyclerview.widget.RecyclerView
+import androidx.transition.AutoTransition
+import androidx.transition.TransitionManager
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.launch
+import kotlin.math.abs
 
 
+/**
+ *
+ * TODO: Configure Span using available width and emoji size
+ * TODO: Search
+ * TODO: Performances
+ * TODO: Scroll to section - Find a way to snap section to the top
+ */
 class EmojiRecyclerAdapter(val dataSource: EmojiDataSource? = null) :
         RecyclerView.Adapter<EmojiRecyclerAdapter.ViewHolder>() {
 
-//    data class EmojiInfo(val stringValue: String)
+    var interactionListener: InteractionListener? = null
-//    data class SectionInfo(val sectionName: String)
+    var mRecyclerView: RecyclerView? = null
 
-    //val mockData: ArrayList<Pair<SectionInfo, ArrayList<EmojiInfo>>> = ArrayList()
 
-    // val dataSource : EmojiDataSource? = null
+    var currentFirstVisibleSection = 0
-
-    init {
-//        val faces = ArrayList<EmojiInfo>()
-//        for (i in 0..50) {
-//            faces.add(EmojiInfo("😅"))
-//        }
-//        val animalsNature = ArrayList<EmojiInfo>()
-//        for (i in 0..160) {
-//            animalsNature.add(EmojiInfo("🐶"))
-//        }
-//        val foods = ArrayList<EmojiInfo>()
-//        for (i in 0..150) {
-//            foods.add(EmojiInfo("🍎"))
-//        }
-//
-//        mockData.add(SectionInfo("Smiley & People") to faces)
-//        mockData.add(SectionInfo("Animals & Nature") to animalsNature)
-//        mockData.add(SectionInfo("Food & Drinks") to foods)
-//        dataSource = EMp
 
+    enum class ScrollState {
+        IDLE,
+        DRAGGING,
+        SETTLING,
+        UNKNWON
     }
 
-//    enum class ScrollState {
+    private var scrollState = ScrollState.UNKNWON
-//        IDLE,
+    private var isFastScroll = false
-//        DRAGGING,
+
-//        SETTLING,
+    val toUpdateWhenNotBusy = ArrayList<Pair<String, EmojiViewHolder>>()
-//        UNKNWON
-//    }
 
-    private val scrollListener = object : RecyclerView.OnScrollListener() {
-        override fun onScrollStateChanged(recyclerView: RecyclerView, newState: Int) {
-            super.onScrollStateChanged(recyclerView, newState)
-        }
-    }
 
     override fun onAttachedToRecyclerView(recyclerView: RecyclerView) {
         super.onAttachedToRecyclerView(recyclerView)
-
+        this.mRecyclerView = recyclerView
-        EmojiDrawView.configureTextPaint(recyclerView.context)
 
         val gridLayoutManager = GridLayoutManager(recyclerView.context, 8)
         gridLayoutManager.spanSizeLookup = object : GridLayoutManager.SpanSizeLookup() {
@@ -98,6 +90,24 @@ class EmojiRecyclerAdapter(val dataSource: EmojiDataSource? = null) :
         recyclerView.addOnScrollListener(scrollListener)
     }
 
+    override fun onDetachedFromRecyclerView(recyclerView: RecyclerView) {
+        this.mRecyclerView = null
+        recyclerView.removeOnScrollListener(scrollListener)
+        staticLayoutCache.clear()
+        super.onDetachedFromRecyclerView(recyclerView)
+    }
+
+    fun scrollToSection(section: Int) {
+        if (section < 0 || section >= dataSource?.rawData?.categories?.size ?: 0) {
+            //ignore
+            return
+        }
+        //mRecyclerView?.smoothScrollToPosition(getSectionOffset(section) - 1)
+        //TODO Snap section header to top
+        mRecyclerView?.scrollToPosition(getSectionOffset(section) - 1)
+    }
+
+
     override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
         beginTraceSession("MyAdapter.onCreateViewHolder")
         val inflater = LayoutInflater.from(parent.context)
@@ -162,7 +172,6 @@ class EmojiRecyclerAdapter(val dataSource: EmojiDataSource? = null) :
         return sectionOffset
     }
 
-    @SuppressLint("NewApi")
     override fun onBindViewHolder(holder: ViewHolder, position: Int) {
         beginTraceSession("MyAdapter.onBindViewHolder")
         dataSource?.rawData?.categories?.let { categories ->
@@ -174,13 +183,36 @@ class EmojiRecyclerAdapter(val dataSource: EmojiDataSource? = null) :
                 val sectionOffset = getSectionOffset(sectionNumber)
                 val emoji = sectionMojis[position - sectionOffset]
                 val item = dataSource!!.rawData!!.emojis[emoji]!!.emojiString()
+                (holder as EmojiViewHolder).data = item
+                if (scrollState != ScrollState.SETTLING || !isFastScroll) {
+//                    Log.i("PERF","Bind with draw at position:$position")
                     holder.bind(item)
+                } else {
+//                    Log.i("PERF","Bind without draw at position:$position")
+                    toUpdateWhenNotBusy.add(item to holder)
+                    holder.bind(null)
+                }
             }
         }
         endTraceSession()
-
     }
 
+    override fun onViewRecycled(holder: ViewHolder) {
+        if (holder is EmojiViewHolder) {
+            holder.data = null
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
+                toUpdateWhenNotBusy.removeIf { it.second == holder }
+            } else {
+                val index = toUpdateWhenNotBusy.indexOfFirst { it.second == holder }
+                if (index != -1) {
+                    toUpdateWhenNotBusy.removeAt(index)
+                }
+            }
+        }
+        super.onViewRecycled(holder)
+    }
+
+
     override fun getItemCount(): Int {
         dataSource?.rawData?.categories?.let {
             var count = /*number of sections*/ it.size
@@ -193,17 +225,28 @@ class EmojiRecyclerAdapter(val dataSource: EmojiDataSource? = null) :
 
 
     abstract class ViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
-        abstract fun bind(s: String)
+        abstract fun bind(s: String?)
     }
 
 
     class EmojiViewHolder(itemView: View) : ViewHolder(itemView) {
 
         var emojiView: EmojiDrawView = itemView.findViewById(R.id.grid_item_emoji_text)
+        val placeHolder: View = itemView.findViewById(R.id.grid_item_place_holder)
 
+        var data: String? = null
 
-        override fun bind(s: String) {
+        override fun bind(s: String?) {
             emojiView.emoji = s
+            if (s != null) {
+                emojiView.mLayout = getStaticLayoutForEmoji(s)
+                placeHolder.visibility = View.GONE
+//                emojiView.visibility = View.VISIBLE
+            } else {
+                emojiView.mLayout = null
+                placeHolder.visibility = View.VISIBLE
+//                emojiView.visibility = View.GONE
+            }
         }
     }
 
@@ -211,11 +254,10 @@ class EmojiRecyclerAdapter(val dataSource: EmojiDataSource? = null) :
 
         var textView: TextView = itemView.findViewById(R.id.section_header_textview)
 
-        override fun bind(s: String) {
+        override fun bind(s: String?) {
             textView.text = s
         }
 
-
     }
 
     companion object {
@@ -230,40 +272,75 @@ class EmojiRecyclerAdapter(val dataSource: EmojiDataSource? = null) :
                 Trace.beginSection(sectionName)
             }
         }
+
+        val staticLayoutCache = HashMap<String, StaticLayout>()
+
+        fun getStaticLayoutForEmoji(emoji: String): StaticLayout {
+            var cachedLayout = staticLayoutCache[emoji]
+            if (cachedLayout == null) {
+                cachedLayout = StaticLayout(emoji, EmojiDrawView.tPaint, EmojiDrawView.emojiSize, Layout.Alignment.ALIGN_CENTER, 1f, 0f, true)
+                staticLayoutCache[emoji] = cachedLayout!!
+            }
+            return cachedLayout!!
+        }
+
+    }
+
+    interface InteractionListener {
+        fun firstVisibleSectionChange(section: Int)
+    }
+
+    //privates
+
+    private val scrollListener = object : RecyclerView.OnScrollListener() {
+        override fun onScrollStateChanged(recyclerView: RecyclerView, newState: Int) {
+            super.onScrollStateChanged(recyclerView, newState)
+            scrollState = when (newState) {
+                RecyclerView.SCROLL_STATE_IDLE -> ScrollState.IDLE
+                RecyclerView.SCROLL_STATE_SETTLING -> ScrollState.SETTLING
+                RecyclerView.SCROLL_STATE_DRAGGING -> ScrollState.DRAGGING
+                else -> ScrollState.UNKNWON
+            }
+
+            //TODO better
+            if (scrollState == ScrollState.IDLE) {
+                //
+                val toUpdate = toUpdateWhenNotBusy.clone() as ArrayList<Pair<String, EmojiViewHolder>>
+                toUpdateWhenNotBusy.clear()
+                toUpdate.chunked(8).forEach {
+                    recyclerView.post {
+                        val transition = AutoTransition().apply {
+                            duration = 150
+                        }
+                        for (pair in it) {
+                            val holder = pair.second
+                            if (pair.first == holder.data) {
+                                TransitionManager.beginDelayedTransition(holder.itemView as FrameLayout, transition)
+                                val data = holder.data
+                                holder.bind(data)
+                            }
+                        }
+                        toUpdateWhenNotBusy.clear()
+                    }
+                }
+
+            }
+        }
+
+        override fun onScrolled(recyclerView: RecyclerView, dx: Int, dy: Int) {
+            super.onScrolled(recyclerView, dx, dy)
+            //Log.i("SCROLL SPEED","scroll speed $dy")
+            isFastScroll = abs(dy) > 50
+            val visible = (recyclerView.layoutManager as GridLayoutManager).findFirstCompletelyVisibleItemPosition()
+            GlobalScope.launch {
+                val section = getSectionForAbsoluteIndex(visible)
+                if (section != currentFirstVisibleSection) {
+                    currentFirstVisibleSection = section
+                    GlobalScope.launch(Dispatchers.Main) {
+                        interactionListener?.firstVisibleSectionChange(currentFirstVisibleSection)
+                    }
+                }
+            }
+        }
     }
-//    data class SectionsIndex(val dataSource: EmojiDataSource) {
-//        var sectionsIndex: ArrayList<Int> = ArrayList()
-//        var sectionsInfo: ArrayList<Pair<Int, Int>> = ArrayList()
-//        var itemCount = 0
-//
-//        init {
-//            var sectionOffset = 1
-//            var lastItemInSection = 0
-//            dataSource.rawData?.categories?.let {
-//                for (category in it) {
-//                    sectionsIndex.add(sectionOffset - 1)
-//                    lastItemInSection = sectionOffset + category.emojis.size - 1
-//                    sectionsInfo.add(sectionOffset to lastItemInSection)
-//                    sectionOffset = lastItemInSection + 2
-//                    itemCount += (1 + category.emojis.size)
-//                }
-//            }
-//        }
-//
-//        fun getCount(): Int = this.itemCount
-//
-//        fun isSection(position: Int): Int? {
-//            return sectionsIndex.indexOf(position)
-//        }
-//
-//        fun getSectionForAbsoluteIndex(position: Int): Int {
-//            for (i in sectionsIndex.size - 1 downTo 0) {
-//                val sectionOffset = sectionsIndex[i]
-//                if (position >= sectionOffset) {
-//                    return i
-//                }
-//            }
-//            return 0
-//        }
-//    }
 }

reactions/src/main/res/drawable/circle.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="oval">
+    <solid android:color="@color/pale_grey" />
+</shape>

reactions/src/main/res/layout/activity_emoji_reaction_picker.xml

@@ -57,7 +57,7 @@
         <com.google.android.material.tabs.TabLayout
             android:id="@+id/tabs"
             android:layout_width="match_parent"
-            android:layout_height="30dp"
+            android:layout_height="40dp"
             android:background="?attr/colorPrimary"
             android:elevation="4dp" />
 

reactions/src/main/res/layout/grid_item_emoji.xml

@@ -5,6 +5,16 @@
     android:layout_height="40dp"
     tools:showIn="@layout/activity_emoji_reaction_picker">
 
+    <View
+        android:id="@+id/grid_item_place_holder"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:layout_gravity="center"
+        android:layout_margin="4dp"
+        android:visibility="gone"
+        tools:visibility="visible"
+        android:background="@drawable/circle" />
+
     <im.vector.reactions.EmojiDrawView
         android:id="@+id/grid_item_emoji_text"
         android:layout_width="40dp"

reactions/src/main/res/values/colors.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="pale_grey">#f2f5f8</color>
+    <color name="light_blue_grey">#4ac1c9d6</color>
+</resources>

reactions/src/main/res/values/font_certs.xml

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <array name="com_google_android_gms_fonts_certs">
+        <item>@array/com_google_android_gms_fonts_certs_dev</item>
+        <item>@array/com_google_android_gms_fonts_certs_prod</item>
+    </array>
+    <string-array name="com_google_android_gms_fonts_certs_dev">
+        <item>
+            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
+        </item>
+    </string-array>
+    <string-array name="com_google_android_gms_fonts_certs_prod">
+        <item>
+            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
+        </item>
+    </string-array>
+</resources>

vector/src/main/AndroidManifest.xml

@@ -43,6 +43,16 @@
             android:name=".core.services.CallService"
             android:exported="false" />
 
+        <provider
+            android:name="androidx.core.content.FileProvider"
+            android:authorities="${applicationId}.fileProvider"
+            android:exported="false"
+            android:grantUriPermissions="true">
+            <meta-data
+                android:name="android.support.FILE_PROVIDER_PATHS"
+                android:resource="@xml/riotx_provider_paths" />
+        </provider>
+
     </application>
 
 </manifest>

vector/src/main/java/im/vector/riotredesign/core/platform/VectorViewModel.kt

@@ -18,6 +18,7 @@ package im.vector.riotredesign.core.platform
 
 import com.airbnb.mvrx.BaseMvRxViewModel
 import com.airbnb.mvrx.MvRxState
+import im.vector.riotredesign.BuildConfig
 
 abstract class VectorViewModel<S : MvRxState>(initialState: S)
-    : BaseMvRxViewModel<S>(initialState, debugMode = false)
+    : BaseMvRxViewModel<S>(initialState, debugMode = BuildConfig.DEBUG)

vector/src/main/java/im/vector/riotredesign/core/utils/ExternalApplicationsUtil.kt

@@ -238,3 +238,26 @@ fun openMedia(activity: Activity, savedMediaPath: String, mimeType: String) {
         activity.toast(R.string.error_no_external_application_found)
     }
 }
+
+fun shareMedia(context: Context, file: File, mediaMimeType: String?) {
+
+    var mediaUri: Uri? = null
+    try {
+        mediaUri = FileProvider.getUriForFile(context, BuildConfig.APPLICATION_ID + ".fileProvider", file)
+    } catch (e: Exception) {
+        Timber.e("onMediaAction Selected File cannot be shared " + e.message)
+    }
+
+
+    if (null != mediaUri) {
+        val sendIntent = Intent()
+        sendIntent.action = Intent.ACTION_SEND
+        // Grant temporary read permission to the content URI
+        sendIntent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION)
+        sendIntent.type = mediaMimeType
+        sendIntent.putExtra(Intent.EXTRA_STREAM, mediaUri)
+
+        context.startActivity(sendIntent)
+
+    }
+}

vector/src/main/java/im/vector/riotredesign/core/utils/SystemUtils.kt

@@ -76,10 +76,12 @@ fun requestDisablingBatteryOptimization(activity: Activity, fragment: Fragment?,
  * @param context the context
  * @param text    the text to copy
  */
-fun copyToClipboard(context: Context, text: CharSequence) {
+fun copyToClipboard(context: Context, text: CharSequence, showToast: Boolean = true) {
     val clipboard = context.getSystemService(Context.CLIPBOARD_SERVICE) as ClipboardManager
     clipboard.primaryClip = ClipData.newPlainText("", text)
+    if (showToast) {
         context.toast(R.string.copied_to_clipboard)
+    }
 }
 
 /**

vector/src/main/java/im/vector/riotredesign/features/home/HomeActivityViewModel.kt

@@ -33,7 +33,7 @@ import im.vector.riotredesign.features.home.room.list.RoomSelectionRepository
 import io.reactivex.rxkotlin.subscribeBy
 import org.koin.android.ext.android.get
 
-class EmptyState : MvRxState
+data class EmptyState(val isEmpty: Boolean = true) : MvRxState
 
 class HomeActivityViewModel(state: EmptyState,
                             private val session: Session,

vector/src/main/java/im/vector/riotredesign/features/home/room/detail/RoomDetailFragment.kt

@@ -20,16 +20,28 @@ import android.app.Activity.RESULT_OK
 import android.content.Intent
 import android.graphics.Color
 import android.graphics.drawable.ColorDrawable
+import android.net.Uri
 import android.os.Bundle
 import android.os.Parcelable
 import android.text.Editable
 import android.text.Spannable
+import android.view.HapticFeedbackConstants
+import android.view.LayoutInflater
 import android.view.View
+import android.widget.TextView
+import android.widget.Toast
 import androidx.appcompat.app.AlertDialog
+import androidx.core.content.ContextCompat
+import androidx.lifecycle.Observer
+import androidx.lifecycle.ViewModelProviders
 import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
 import com.airbnb.epoxy.EpoxyVisibilityTracker
+import com.airbnb.mvrx.MvRx
 import com.airbnb.mvrx.fragmentViewModel
+import com.github.piasy.biv.BigImageViewer
+import com.github.piasy.biv.loader.ImageLoader
+import com.google.android.material.snackbar.Snackbar
 import com.jaiselrahman.filepicker.activity.FilePickerActivity
 import com.jaiselrahman.filepicker.config.Configurations
 import com.jaiselrahman.filepicker.model.MediaFile
@@ -41,8 +53,10 @@ import im.vector.matrix.android.api.session.room.model.message.MessageAudioConte
 import im.vector.matrix.android.api.session.room.model.message.MessageFileContent
 import im.vector.matrix.android.api.session.room.model.message.MessageImageContent
 import im.vector.matrix.android.api.session.room.model.message.MessageVideoContent
+import im.vector.matrix.android.api.session.room.model.message.MessageContent
 import im.vector.matrix.android.api.session.room.timeline.TimelineEvent
 import im.vector.matrix.android.api.session.user.model.User
+import im.vector.reactions.EmojiReactionPickerActivity
 import im.vector.riotredesign.R
 import im.vector.riotredesign.core.dialogs.DialogListItem
 import im.vector.riotredesign.core.epoxy.LayoutManagerStateRestorer
@@ -62,7 +76,11 @@ import im.vector.riotredesign.features.home.room.detail.composer.TextComposerAct
 import im.vector.riotredesign.features.home.room.detail.composer.TextComposerViewModel
 import im.vector.riotredesign.features.home.room.detail.composer.TextComposerViewState
 import im.vector.riotredesign.features.home.room.detail.timeline.TimelineEventController
+import im.vector.riotredesign.features.home.room.detail.timeline.action.ActionsHandler
+import im.vector.riotredesign.features.home.room.detail.timeline.action.MessageActionsBottomSheet
+import im.vector.riotredesign.features.home.room.detail.timeline.action.MessageMenuViewModel
 import im.vector.riotredesign.features.home.room.detail.timeline.helper.EndlessRecyclerViewScrollListener
+import im.vector.riotredesign.features.home.room.detail.timeline.item.MessageInformationData
 import im.vector.riotredesign.features.html.PillImageSpan
 import im.vector.riotredesign.features.media.ImageContentRenderer
 import im.vector.riotredesign.features.media.ImageMediaViewerActivity
@@ -75,6 +93,7 @@ import org.koin.android.scope.ext.android.bindScope
 import org.koin.android.scope.ext.android.getOrCreateScope
 import org.koin.core.parameter.parametersOf
 import timber.log.Timber
+import java.io.File
 
 
 @Parcelize
@@ -88,7 +107,10 @@ private const val CAMERA_VALUE_TITLE = "attachment"
 private const val REQUEST_FILES_REQUEST_CODE = 0
 private const val TAKE_IMAGE_REQUEST_CODE = 1
 
-class RoomDetailFragment : VectorBaseFragment(), TimelineEventController.Callback, AutocompleteUserPresenter.Callback {
+class RoomDetailFragment :
+        VectorBaseFragment(),
+        TimelineEventController.Callback,
+        AutocompleteUserPresenter.Callback {
 
     companion object {
 
@@ -115,8 +137,11 @@ class RoomDetailFragment : VectorBaseFragment(), TimelineEventController.Callbac
 
     override fun getLayoutResId() = R.layout.fragment_room_detail
 
+    lateinit var actionViewModel: ActionsHandler
+
     override fun onActivityCreated(savedInstanceState: Bundle?) {
         super.onActivityCreated(savedInstanceState)
+        actionViewModel = ViewModelProviders.of(requireActivity()).get(ActionsHandler::class.java)
         bindScope(getOrCreateScope(HomeModule.ROOM_DETAIL_SCOPE))
         setupRecyclerView()
         setupToolbar()
@@ -125,6 +150,10 @@ class RoomDetailFragment : VectorBaseFragment(), TimelineEventController.Callbac
         roomDetailViewModel.subscribe { renderState(it) }
         textComposerViewModel.subscribe { renderTextComposerState(it) }
         roomDetailViewModel.sendMessageResultLiveData.observeEvent(this) { renderSendMessageResult(it) }
+
+        actionViewModel.actionCommandEvent.observe(this, Observer {
+            handleActions(it)
+        })
     }
 
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
@@ -136,7 +165,6 @@ class RoomDetailFragment : VectorBaseFragment(), TimelineEventController.Callbac
         }
     }
 
-
     override fun onResume() {
         super.onResume()
         roomDetailViewModel.process(RoomDetailActions.IsDisplayed)
@@ -402,8 +430,87 @@ class RoomDetailFragment : VectorBaseFragment(), TimelineEventController.Callbac
     }
 
     // AutocompleteUserPresenter.Callback
+    override fun onEventLongClicked(eventId: String, informationData: MessageInformationData, messageContent: MessageContent, view: View): Boolean {
+        view.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS)
+        val roomId = (arguments?.get(MvRx.KEY_ARG) as? RoomDetailArgs)?.roomId
+        if (roomId.isNullOrBlank()) {
+            Timber.e("Missing RoomId, cannot open bottomsheet")
+            return false
+        }
+        MessageActionsBottomSheet
+                .newInstance(eventId, roomId, informationData)
+                .show(requireActivity().supportFragmentManager, "MESSAGE_CONTEXTUAL_ACTIONS")
+        return true
+    }
+
+
+// AutocompleteUserPresenter.Callback
 
     override fun onQueryUsers(query: CharSequence?) {
         textComposerViewModel.process(TextComposerActions.QueryUsers(query))
     }
+
+    private fun handleActions(it: LiveEvent<ActionsHandler.ActionData>?) {
+        it?.getContentIfNotHandled()?.let { actionData ->
+
+            when (actionData.actionId) {
+                MessageMenuViewModel.ACTION_ADD_REACTION -> {
+                    startActivityForResult(EmojiReactionPickerActivity.intent(requireContext()), 0)
+                }
+                MessageMenuViewModel.ACTION_COPY -> {
+                    //I need info about the current selected message :/
+                    copyToClipboard(requireContext(), actionData.data?.toString() ?: "", false)
+                    val snack = Snackbar.make(view!!, requireContext().getString(R.string.copied_to_clipboard), Snackbar.LENGTH_SHORT)
+                    snack.view.setBackgroundColor(ContextCompat.getColor(requireContext(), R.color.notification_accent_color))
+                    snack.show()
+                }
+                MessageMenuViewModel.ACTION_SHARE -> {
+                    //TODO current data communication is too limited
+                    //Need to now the media type
+                    actionData.data?.toString()?.let {
+                        //TODO bad, just POC
+                        BigImageViewer.imageLoader().loadImage(
+                                actionData.hashCode(),
+                                Uri.parse(it),
+                                object : ImageLoader.Callback {
+                                    override fun onFinish() {}
+
+                                    override fun onSuccess(image: File?) {
+                                        if (image != null)
+                                            shareMedia(requireContext(), image!!, "image/*")
+                                    }
+
+                                    override fun onFail(error: Exception?) {}
+
+                                    override fun onCacheHit(imageType: Int, image: File?) {}
+
+                                    override fun onCacheMiss(imageType: Int, image: File?) {}
+
+                                    override fun onProgress(progress: Int) {}
+
+                                    override fun onStart() {}
+
+                                }
+
+                        )
+                    }
+                }
+                MessageMenuViewModel.VIEW_SOURCE,
+                MessageMenuViewModel.VIEW_DECRYPTED_SOURCE -> {
+                    val view = LayoutInflater.from(requireContext()).inflate(R.layout.dialog_event_content, null)
+                    view.findViewById<TextView>(R.id.event_content_text_view)?.let {
+                        it.text = actionData.data?.toString() ?: ""
+                    }
+
+                    AlertDialog.Builder(requireActivity())
+                            .setView(view)
+                            .setPositiveButton(R.string.ok) { dialog, id -> dialog.cancel() }
+                            .show()
+                }
+                else -> {
+                    Toast.makeText(context, "Action ${actionData.actionId} not implemented", Toast.LENGTH_LONG).show()
+                }
+            }
+        }
+    }
 }

vector/src/main/java/im/vector/riotredesign/features/home/room/detail/timeline/TimelineEventController.kt

@@ -26,27 +26,17 @@ import com.airbnb.epoxy.EpoxyController
 import com.airbnb.epoxy.EpoxyModel
 import im.vector.matrix.android.api.session.events.model.toModel
 import im.vector.matrix.android.api.session.room.model.RoomMember
-import im.vector.matrix.android.api.session.room.model.message.MessageAudioContent
+import im.vector.matrix.android.api.session.room.model.message.*
-import im.vector.matrix.android.api.session.room.model.message.MessageFileContent
-import im.vector.matrix.android.api.session.room.model.message.MessageImageContent
-import im.vector.matrix.android.api.session.room.model.message.MessageVideoContent
 import im.vector.matrix.android.api.session.room.timeline.Timeline
 import im.vector.matrix.android.api.session.room.timeline.TimelineEvent
 import im.vector.riotredesign.core.epoxy.LoadingItemModel_
 import im.vector.riotredesign.core.extensions.localDateTime
 import im.vector.riotredesign.features.home.room.detail.timeline.factory.TimelineItemFactory
-import im.vector.riotredesign.features.home.room.detail.timeline.helper.RoomMemberEventHelper
+import im.vector.riotredesign.features.home.room.detail.timeline.helper.*
-import im.vector.riotredesign.features.home.room.detail.timeline.helper.TimelineAsyncHelper
-import im.vector.riotredesign.features.home.room.detail.timeline.helper.TimelineDateFormatter
-import im.vector.riotredesign.features.home.room.detail.timeline.helper.TimelineEventDiffUtilCallback
-import im.vector.riotredesign.features.home.room.detail.timeline.helper.TimelineEventVisibilityStateChangedListener
-import im.vector.riotredesign.features.home.room.detail.timeline.helper.TimelineMediaSizeProvider
-import im.vector.riotredesign.features.home.room.detail.timeline.helper.canBeMerged
-import im.vector.riotredesign.features.home.room.detail.timeline.helper.nextDisplayableEvent
-import im.vector.riotredesign.features.home.room.detail.timeline.helper.prevSameTypeEvents
 import im.vector.riotredesign.features.home.room.detail.timeline.item.DaySeparatorItem
 import im.vector.riotredesign.features.home.room.detail.timeline.item.DaySeparatorItem_
 import im.vector.riotredesign.features.home.room.detail.timeline.item.MergedHeaderItem
+import im.vector.riotredesign.features.home.room.detail.timeline.item.MessageInformationData
 import im.vector.riotredesign.features.media.ImageContentRenderer
 import im.vector.riotredesign.features.media.VideoContentRenderer
 import org.threeten.bp.LocalDateTime
@@ -64,6 +54,7 @@ class TimelineEventController(private val dateFormatter: TimelineDateFormatter,
         fun onVideoMessageClicked(messageVideoContent: MessageVideoContent, mediaData: VideoContentRenderer.Data, view: View)
         fun onFileMessageClicked(messageFileContent: MessageFileContent)
         fun onAudioMessageClicked(messageAudioContent: MessageAudioContent)
+        fun onEventLongClicked(eventId: String, informationData: MessageInformationData, messageContent: MessageContent, view: View): Boolean
     }
 
     private val collapsedEventIds = linkedSetOf<String>()

vector/src/main/java/im/vector/riotredesign/features/home/room/detail/timeline/action/ActionsHandler.kt

@@ -0,0 +1,23 @@
+package im.vector.riotredesign.features.home.room.detail.timeline.action
+
+import androidx.lifecycle.MutableLiveData
+import androidx.lifecycle.ViewModel
+import im.vector.riotredesign.core.utils.LiveEvent
+
+/**
+ * Activity shared view model to handle message actions
+ */
+class ActionsHandler : ViewModel() {
+
+    data class ActionData(
+            val actionId: String,
+            val data: Any?
+    )
+
+    val actionCommandEvent = MutableLiveData<LiveEvent<ActionData>>()
+
+    fun fireAction(actionId: String, data: Any? = null) {
+        actionCommandEvent.value = LiveEvent(ActionData(actionId,data))
+    }
+
+}

vector/src/main/java/im/vector/riotredesign/features/home/room/detail/timeline/action/BaseMvRxBottomSheetDialog.kt

@@ -0,0 +1,43 @@
+/*
+ * Copyright 2019 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package im.vector.riotredesign.features.home.room.detail.timeline.action
+
+import android.os.Bundle
+import com.airbnb.mvrx.MvRxView
+import com.airbnb.mvrx.MvRxViewModelStore
+import com.google.android.material.bottomsheet.BottomSheetDialogFragment
+
+
+abstract class BaseMvRxBottomSheetDialog() : BottomSheetDialogFragment(), MvRxView {
+    override val mvrxViewModelStore by lazy { MvRxViewModelStore(viewModelStore) }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        mvrxViewModelStore.restoreViewModels(this, savedInstanceState)
+        super.onCreate(savedInstanceState)
+    }
+
+    override fun onSaveInstanceState(outState: Bundle) {
+        super.onSaveInstanceState(outState)
+        mvrxViewModelStore.saveViewModels(outState)
+    }
+
+    override fun onStart() {
+        super.onStart()
+        // This ensures that invalidate() is called for static screens that don't
+        // subscribe to a ViewModel.
+        postInvalidate()
+    }
+}

vector/src/main/java/im/vector/riotredesign/features/home/room/detail/timeline/action/MessageActionsBottomSheet.kt

@@ -0,0 +1,163 @@
+/*
+ * Copyright 2019 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package im.vector.riotredesign.features.home.room.detail.timeline.action
+
+import android.app.Dialog
+import android.os.Bundle
+import android.os.Parcelable
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.FrameLayout
+import android.widget.ImageView
+import android.widget.TextView
+import androidx.lifecycle.ViewModelProviders
+import butterknife.BindView
+import butterknife.ButterKnife
+import com.airbnb.mvrx.MvRx
+import com.airbnb.mvrx.fragmentViewModel
+import com.airbnb.mvrx.withState
+import com.google.android.material.bottomsheet.BottomSheetBehavior
+import com.google.android.material.bottomsheet.BottomSheetDialog
+import im.vector.riotredesign.R
+import im.vector.riotredesign.core.glide.GlideApp
+import im.vector.riotredesign.features.home.AvatarRenderer
+import im.vector.riotredesign.features.home.room.detail.timeline.item.MessageInformationData
+import kotlinx.android.parcel.Parcelize
+
+
+class MessageActionsBottomSheet : BaseMvRxBottomSheetDialog() {
+
+    private val viewModel: MessageActionsViewModel by fragmentViewModel(MessageActionsViewModel::class)
+
+    private lateinit var actionHandlerModel: ActionsHandler
+
+    @BindView(R.id.bottom_sheet_message_preview_avatar)
+    lateinit var senderAvatarImageView: ImageView
+
+    @BindView(R.id.bottom_sheet_message_preview_sender)
+    lateinit var senderNameTextView: TextView
+
+    @BindView(R.id.bottom_sheet_message_preview_body)
+    lateinit var messageBodyTextView: TextView
+
+
+    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
+        val view = inflater.inflate(R.layout.bottom_sheet_message_actions, container, false)
+        ButterKnife.bind(this, view)
+        return view
+    }
+
+    override fun onActivityCreated(savedInstanceState: Bundle?) {
+        super.onActivityCreated(savedInstanceState)
+        actionHandlerModel = ViewModelProviders.of(requireActivity()).get(ActionsHandler::class.java)
+
+        val cfm = childFragmentManager
+        var menuActionFragment = cfm.findFragmentByTag("MenuActionFragment") as? MessageMenuFragment
+        if (menuActionFragment == null) {
+            menuActionFragment = MessageMenuFragment.newInstance(arguments!!.get(MvRx.KEY_ARG) as ParcelableArgs)
+            cfm.beginTransaction()
+                    .replace(R.id.bottom_sheet_menu_container, menuActionFragment, "MenuActionFragment")
+                    .commit()
+        }
+        menuActionFragment.interactionListener = object : MessageMenuFragment.InteractionListener {
+            override fun didSelectMenuAction(simpleAction: SimpleAction) {
+                actionHandlerModel.fireAction(simpleAction.uid, simpleAction.data)
+                dismiss()
+            }
+        }
+
+
+        var quickReactionFragment = cfm.findFragmentByTag("QuickReaction") as? QuickReactionFragment
+        if (quickReactionFragment == null) {
+            quickReactionFragment = QuickReactionFragment.newInstance()
+            cfm.beginTransaction()
+                    .replace(R.id.bottom_sheet_quick_reaction_container, quickReactionFragment, "QuickReaction")
+                    .commit()
+        }
+        quickReactionFragment.interactionListener = object : QuickReactionFragment.InteractionListener {
+            override fun didQuickReactWith(reactions: List<String>) {
+                actionHandlerModel.fireAction("Quick React", reactions)
+                dismiss()
+            }
+        }
+    }
+
+    override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
+        val dialog = super.onCreateDialog(savedInstanceState)
+        //We want to force the bottom sheet initial state to expanded
+        (dialog as? BottomSheetDialog)?.let { bottomSheetDialog ->
+            bottomSheetDialog.setOnShowListener { dialog ->
+                val d = dialog as BottomSheetDialog
+                (d.findViewById<View>(com.google.android.material.R.id.design_bottom_sheet) as? FrameLayout)?.let {
+                    BottomSheetBehavior.from(it).state = BottomSheetBehavior.STATE_COLLAPSED
+                }
+            }
+        }
+        return dialog
+    }
+
+    override fun invalidate() = withState(viewModel) {
+        senderNameTextView.text = it.senderName
+        messageBodyTextView.text = it.messageBody
+
+        GlideApp.with(this).clear(senderAvatarImageView)
+        if (it.senderAvatarPath != null) {
+            GlideApp.with(this)
+                    .load(it.senderAvatarPath)
+                    .circleCrop()
+                    .placeholder(AvatarRenderer.getPlaceholderDrawable(requireContext(), it.userId, it.senderName))
+                    .into(senderAvatarImageView)
+        } else {
+            senderAvatarImageView.setImageDrawable(AvatarRenderer.getPlaceholderDrawable(requireContext(), it.userId, it.senderName))
+        }
+        return@withState
+    }
+
+
+    @Parcelize
+    data class ParcelableArgs(
+            val eventId: String,
+            val roomId: String,
+            val informationData: MessageInformationData
+//            val body: String,
+//            val type: String,
+//            var url: String? = null
+    ) : Parcelable
+
+    companion object {
+        fun newInstance(eventId: String, roomId: String, informationData: MessageInformationData): MessageActionsBottomSheet {
+            val args = Bundle()
+            val parcelableArgs = ParcelableArgs(
+                    eventId,
+                    roomId,
+                    informationData
+//                    messageContent.body,
+//                    messageContent.type
+            )
+//            if (messageContent is MessageImageContent) {
+//                parcelableArgs.url = messageContent.url
+//            }
+//            if (messageContent is MessageVideoContent) {
+//                parcelableArgs.url = messageContent.url
+//            }
+
+            args.putParcelable(MvRx.KEY_ARG, parcelableArgs)
+            return MessageActionsBottomSheet().apply { arguments = args }
+
+        }
+    }
+}

vector/src/main/java/im/vector/riotredesign/features/home/room/detail/timeline/action/MessageActionsViewModel.kt

@@ -0,0 +1,53 @@
+package im.vector.riotredesign.features.home.room.detail.timeline.action
+
+import com.airbnb.mvrx.MvRxState
+import com.airbnb.mvrx.MvRxViewModelFactory
+import com.airbnb.mvrx.ViewModelContext
+import im.vector.matrix.android.api.session.Session
+import im.vector.matrix.android.api.session.events.model.toModel
+import im.vector.matrix.android.api.session.room.model.message.MessageContent
+import im.vector.riotredesign.core.platform.VectorViewModel
+import org.koin.android.ext.android.get
+import timber.log.Timber
+
+
+data class MessageActionState(
+        val userId: String,
+        val senderName: String,
+        val messageBody: String,
+        val senderAvatarPath: String? = null)
+    : MvRxState
+
+
+class MessageActionsViewModel(initialState: MessageActionState) : VectorViewModel<MessageActionState>(initialState) {
+
+    companion object : MvRxViewModelFactory<MessageActionsViewModel, MessageActionState> {
+
+//        override fun create(viewModelContext: ViewModelContext, state: MessageActionState): MessageActionsViewModel? {
+//            //val currentSession = viewModelContext.activity.get<Session>()
+//            return MessageActionsViewModel(state/*,currentSession*/)
+//        }
+
+        override fun initialState(viewModelContext: ViewModelContext): MessageActionState? {
+            val currentSession = viewModelContext.activity.get<Session>()
+            val parcel = viewModelContext.args as MessageActionsBottomSheet.ParcelableArgs
+
+
+            val event = currentSession.getRoom(parcel.roomId)?.getTimeLineEvent(parcel.eventId)
+            return if (event != null) {
+                val messageContent: MessageContent? = event.root.content.toModel()
+
+                MessageActionState(
+                        event.root.sender ?: "",
+                        parcel.informationData.memberName.toString(),
+                        messageContent?.body ?: "",
+                        currentSession.contentUrlResolver().resolveFullSize(parcel.informationData.avatarUrl)
+                )
+            } else {
+                //can this happen?
+                Timber.e("Failed to retrieve event")
+                null
+            }
+        }
+    }
+}

vector/src/main/java/im/vector/riotredesign/features/home/room/detail/timeline/action/MessageMenuFragment.kt

@@ -0,0 +1,96 @@
+package im.vector.riotredesign.features.home.room.detail.timeline.action
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.FrameLayout
+import android.widget.ImageView
+import android.widget.LinearLayout
+import android.widget.TextView
+import com.airbnb.mvrx.BaseMvRxFragment
+import com.airbnb.mvrx.MvRx
+import com.airbnb.mvrx.fragmentViewModel
+import com.airbnb.mvrx.withState
+import im.vector.matrix.android.api.session.room.model.message.MessageContent
+import im.vector.riotredesign.R
+import im.vector.riotredesign.features.home.room.detail.timeline.item.MessageInformationData
+import im.vector.riotredesign.features.themes.ThemeUtils
+
+class MessageMenuFragment : BaseMvRxFragment() {
+
+    private val viewModel: MessageMenuViewModel by fragmentViewModel(MessageMenuViewModel::class)
+
+    private var addSeparators = false
+
+    var interactionListener: InteractionListener? = null
+
+    override fun invalidate() = withState(viewModel) { state ->
+
+        val linearLayout = view as? LinearLayout
+        if (linearLayout != null) {
+            val inflater = LayoutInflater.from(linearLayout.context)
+            linearLayout.removeAllViews()
+            var insertIndex = 0
+            state.actions.forEachIndexed { index, action ->
+                inflateActionView(action, inflater, linearLayout)?.let {
+                    it.setOnClickListener {
+                        interactionListener?.didSelectMenuAction(action)
+                    }
+                    linearLayout.addView(it, insertIndex)
+                    insertIndex++
+                    if (addSeparators) {
+                        if (index < state.actions.size - 1) {
+                            linearLayout.addView(inflateSeparatorView(), insertIndex)
+                            insertIndex++
+                        }
+                    }
+                }
+            }
+        }
+
+    }
+
+
+    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
+        //we just create programmatically
+        val contentView = LinearLayout(context)
+        contentView.layoutParams = LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT, LinearLayout.LayoutParams.WRAP_CONTENT)
+        contentView.orientation = LinearLayout.VERTICAL
+        return contentView
+    }
+
+    private fun inflateActionView(action: SimpleAction, inflater: LayoutInflater, container: ViewGroup?): View? {
+        return inflater.inflate(R.layout.adapter_item_action, container, false)?.apply {
+            if (action.iconResId != null) {
+                findViewById<ImageView>(R.id.action_icon)?.setImageResource(action.iconResId)
+            } else {
+                findViewById<ImageView>(R.id.action_icon)?.setImageDrawable(null)
+            }
+            findViewById<TextView>(R.id.action_title)?.setText(action.titleRes)
+        }
+    }
+
+    private fun inflateSeparatorView(): View {
+        val frame = FrameLayout(context)
+        frame.setBackgroundColor(ThemeUtils.getColor(requireContext(), R.attr.vctr_list_divider_color))
+        frame.layoutParams = LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT, requireContext().resources.displayMetrics.density.toInt())
+        return frame
+
+    }
+
+    interface InteractionListener {
+        fun didSelectMenuAction(simpleAction: SimpleAction)
+    }
+
+
+    companion object {
+        fun newInstance(pa: MessageActionsBottomSheet.ParcelableArgs): MessageMenuFragment {
+            val args = Bundle()
+            args.putParcelable(MvRx.KEY_ARG, pa)
+            val fragment = MessageMenuFragment()
+            fragment.arguments = args
+            return fragment
+        }
+    }
+}

vector/src/main/java/im/vector/riotredesign/features/home/room/detail/timeline/action/MessageMenuViewModel.kt

@@ -0,0 +1,165 @@
+package im.vector.riotredesign.features.home.room.detail.timeline.action
+
+import com.airbnb.mvrx.MvRxState
+import com.airbnb.mvrx.MvRxViewModelFactory
+import com.airbnb.mvrx.ViewModelContext
+import im.vector.matrix.android.api.session.Session
+import im.vector.matrix.android.api.session.events.model.EventType
+import im.vector.matrix.android.api.session.events.model.toContent
+import im.vector.matrix.android.api.session.events.model.toModel
+import im.vector.matrix.android.api.session.room.model.message.MessageContent
+import im.vector.matrix.android.api.session.room.model.message.MessageImageContent
+import im.vector.matrix.android.api.session.room.model.message.MessageType
+import im.vector.matrix.android.api.session.room.send.SendState
+import im.vector.matrix.android.api.session.room.timeline.TimelineEvent
+import im.vector.riotredesign.R
+import im.vector.riotredesign.core.platform.VectorViewModel
+import org.json.JSONObject
+import org.koin.android.ext.android.get
+
+
+data class SimpleAction(val uid: String, val titleRes: Int, val iconResId: Int?, val data: Any? = null)
+
+data class MessageMenuState(
+        val actions: List<SimpleAction>
+) : MvRxState
+
+class MessageMenuViewModel(initialState: MessageMenuState) : VectorViewModel<MessageMenuState>(initialState) {
+
+    companion object : MvRxViewModelFactory<MessageMenuViewModel, MessageMenuState> {
+
+        override fun initialState(viewModelContext: ViewModelContext): MessageMenuState? {
+            // Args are accessible from the context.
+            val currentSession = viewModelContext.activity.get<Session>()
+            val parcel = viewModelContext.args as MessageActionsBottomSheet.ParcelableArgs
+            val event = currentSession.getRoom(parcel.roomId)?.getTimeLineEvent(parcel.eventId)
+                    ?: return null
+
+            val messageContent: MessageContent = event.root.content.toModel() ?: return null
+            val type = messageContent.type
+
+            if (event.sendState == SendState.UNSENT) {
+                //Resend and Delete
+                return MessageMenuState(
+                        listOf(
+                                SimpleAction(ACTION_RESEND, R.string.resend, R.drawable.ic_corner_down_right, event.root.eventId),
+                                //TODO delete icon
+                                SimpleAction(ACTION_DELETE, R.string.delete, R.drawable.ic_material_delete, event.root.eventId)
+                        )
+                )
+            }
+
+
+            //TODO determine if can copy, forward, reply, quote, report?
+            val actions = ArrayList<SimpleAction>().apply {
+                this.add(SimpleAction(ACTION_ADD_REACTION, R.string.message_add_reaction, R.drawable.ic_smile))
+                if (canCopy(type)) {
+                    //TODO copy images? html? see ClipBoard
+                    this.add(SimpleAction(ACTION_COPY, R.string.copy, R.drawable.ic_copy, messageContent.body))
+                }
+
+                if (canQuote(event, messageContent)) {
+                    //TODO quote icon
+                    this.add(SimpleAction(ACTION_QUOTE, R.string.quote, R.drawable.ic_material_quote, parcel.eventId))
+                }
+
+                if (canReply(event, messageContent)) {
+                    this.add(SimpleAction(ACTION_REPLY, R.string.reply, R.drawable.ic_corner_down_right))
+                }
+                if (canShare(type)) {
+                    if (messageContent is MessageImageContent) {
+                        this.add(SimpleAction(ACTION_SHARE, R.string.share, R.drawable.ic_share, currentSession.contentUrlResolver().resolveFullSize(messageContent.url)))
+                    }
+                    //TODO
+                }
+
+                //TODO is uploading
+                //TODO is downloading
+
+                if (event.sendState == SendState.SENT) {
+
+                    //TODO Can be redacted
+
+                    //TODO sent by me or sufficient power level
+                }
+
+
+                this.add(SimpleAction(VIEW_SOURCE, R.string.view_source, R.drawable.ic_view_source, JSONObject(event.root.toContent()).toString(4)))
+                if (event.isEncrypted()) {
+                    this.add(SimpleAction(VIEW_DECRYPTED_SOURCE, R.string.view_decrypted_source, null, parcel.eventId))
+                }
+                this.add(SimpleAction(PERMALINK, R.string.permalink, R.drawable.ic_permalink, parcel.eventId))
+            }
+
+            return MessageMenuState(actions)
+        }
+
+        private fun canReply(event: TimelineEvent, messageContent: MessageContent): Boolean {
+            //Only event of type Event.EVENT_TYPE_MESSAGE are supported for the moment
+            if (event.root.type != EventType.MESSAGE) return false
+            return when (messageContent.type) {
+                MessageType.MSGTYPE_TEXT,
+                MessageType.MSGTYPE_NOTICE,
+                MessageType.MSGTYPE_EMOTE,
+                MessageType.MSGTYPE_IMAGE,
+                MessageType.MSGTYPE_VIDEO,
+                MessageType.MSGTYPE_AUDIO,
+                MessageType.MSGTYPE_FILE -> true
+                else -> false
+            }
+        }
+
+        private fun canQuote(event: TimelineEvent, messageContent: MessageContent): Boolean {
+            //Only event of type Event.EVENT_TYPE_MESSAGE are supported for the moment
+            if (event.root.type != EventType.MESSAGE) return false
+            return when (messageContent.type) {
+                MessageType.MSGTYPE_TEXT,
+                MessageType.MSGTYPE_NOTICE,
+                MessageType.MSGTYPE_EMOTE,
+                MessageType.FORMAT_MATRIX_HTML,
+                MessageType.MSGTYPE_LOCATION -> {
+                    true
+                }
+                else -> false
+            }
+        }
+
+        private fun canCopy(type: String): Boolean {
+            return when (type) {
+                MessageType.MSGTYPE_TEXT,
+                MessageType.MSGTYPE_NOTICE,
+                MessageType.MSGTYPE_EMOTE,
+                MessageType.FORMAT_MATRIX_HTML,
+                MessageType.MSGTYPE_LOCATION -> {
+                    true
+                }
+                else -> false
+            }
+        }
+
+
+        private fun canShare(type: String): Boolean {
+            return when (type) {
+                MessageType.MSGTYPE_IMAGE,
+                MessageType.MSGTYPE_AUDIO,
+                MessageType.MSGTYPE_VIDEO -> {
+                    true
+                }
+                else -> false
+            }
+        }
+
+        const val ACTION_ADD_REACTION = "add_reaction"
+        const val ACTION_COPY = "copy"
+        const val ACTION_QUOTE = "quote"
+        const val ACTION_REPLY = "reply"
+        const val ACTION_SHARE = "share"
+        const val ACTION_RESEND = "resend"
+        const val ACTION_DELETE = "delete"
+        const val VIEW_SOURCE = "VIEW_SOURCE"
+        const val VIEW_DECRYPTED_SOURCE = "VIEW_DECRYPTED_SOURCE"
+        const val PERMALINK = "PERMALINK"
+
+
+    }
+}

vector/src/main/java/im/vector/riotredesign/features/home/room/detail/timeline/action/QuickReactionFragment.kt

@@ -0,0 +1,149 @@
+/*
+ * Copyright 2019 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package im.vector.riotredesign.features.home.room.detail.timeline.action
+
+import android.content.Context
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.TextView
+import androidx.constraintlayout.widget.ConstraintLayout
+import androidx.transition.TransitionManager
+import butterknife.BindView
+import butterknife.ButterKnife
+import com.airbnb.mvrx.BaseMvRxFragment
+import com.airbnb.mvrx.fragmentViewModel
+import com.airbnb.mvrx.withState
+import im.vector.riotredesign.R
+
+
+class QuickReactionFragment : BaseMvRxFragment() {
+
+    private val viewModel: QuickReactionViewModel by fragmentViewModel(QuickReactionViewModel::class)
+
+
+    @BindView(R.id.root_layout)
+    lateinit var rootLayout: ConstraintLayout
+
+
+    @BindView(R.id.quick_react_1)
+    lateinit var quickReact1: View
+    @BindView(R.id.quick_react_2)
+    lateinit var quickReact2: View
+    @BindView(R.id.quick_react_3)
+    lateinit var quickReact3: View
+    @BindView(R.id.quick_react_4)
+    lateinit var quickReact4: View
+
+
+    @BindView(R.id.quick_react_1_text)
+    lateinit var quickReact1Text: TextView
+
+    @BindView(R.id.quick_react_2_text)
+    lateinit var quickReact2Text: TextView
+
+    @BindView(R.id.quick_react_3_text)
+    lateinit var quickReact3Text: TextView
+
+    @BindView(R.id.quick_react_4_text)
+    lateinit var quickReact4Text: TextView
+
+    var interactionListener: InteractionListener? = null
+
+    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
+        val view = inflater.inflate(R.layout.adapter_item_action_quick_reaction, container, false)
+        ButterKnife.bind(this, view)
+        return view
+    }
+
+    override fun onAttach(context: Context) {
+        super.onAttach(context)
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+
+        quickReact1Text.text = viewModel.agreePositive
+        quickReact2Text.text = viewModel.agreeNegative
+        quickReact3Text.text = viewModel.likePositive
+        quickReact4Text.text = viewModel.likeNegative
+
+        //configure click listeners
+        quickReact1.setOnClickListener {
+            viewModel.toggleAgree(true)
+        }
+        quickReact2.setOnClickListener {
+            viewModel.toggleAgree(false)
+        }
+        quickReact3.setOnClickListener {
+            viewModel.toggleLike(true)
+        }
+        quickReact4.setOnClickListener {
+            viewModel.toggleLike(false)
+        }
+
+    }
+
+    override fun invalidate() = withState(viewModel) {
+
+        TransitionManager.beginDelayedTransition(rootLayout)
+        when (it.agreeTrigleState) {
+            TriggleState.NONE -> {
+                quickReact1.alpha = 1f
+                quickReact2.alpha = 1f
+            }
+            TriggleState.FIRST -> {
+                quickReact1.alpha = 1f
+                quickReact2.alpha = 0.2f
+
+            }
+            TriggleState.SECOND -> {
+                quickReact1.alpha = 0.2f
+                quickReact2.alpha = 1f
+            }
+        }
+        when (it.likeTriggleState) {
+            TriggleState.NONE -> {
+                quickReact3.alpha = 1f
+                quickReact4.alpha = 1f
+            }
+            TriggleState.FIRST -> {
+                quickReact3.alpha = 1f
+                quickReact4.alpha = 0.2f
+
+            }
+            TriggleState.SECOND -> {
+                quickReact3.alpha = 0.2f
+                quickReact4.alpha = 1f
+            }
+        }
+
+        if (it.selectionResult != null) {
+            interactionListener?.didQuickReactWith(it.selectionResult)
+        }
+    }
+
+    interface InteractionListener {
+        fun didQuickReactWith(reactions: List<String>)
+    }
+
+    companion object {
+        fun newInstance(): QuickReactionFragment {
+            return QuickReactionFragment()
+        }
+    }
+}

vector/src/main/java/im/vector/riotredesign/features/home/room/detail/timeline/action/QuickReactionViewModel.kt

@@ -0,0 +1,100 @@
+/*
+ * Copyright 2019 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package im.vector.riotredesign.features.home.room.detail.timeline.action
+
+import com.airbnb.mvrx.MvRxState
+import com.airbnb.mvrx.MvRxViewModelFactory
+import com.airbnb.mvrx.ViewModelContext
+import im.vector.riotredesign.core.platform.VectorViewModel
+
+/**
+ * Quick reactions state, it's a toggle with 3rd state
+ */
+enum class TriggleState {
+    NONE,
+    FIRST,
+    SECOND
+}
+
+data class QuickReactionState(val agreeTrigleState: TriggleState, val likeTriggleState: TriggleState, val selectionResult: List<String>? = null) : MvRxState
+
+class QuickReactionViewModel(initialState: QuickReactionState) : VectorViewModel<QuickReactionState>(initialState) {
+
+    val agreePositive = "👍"
+    val agreeNegative = "👎"
+    val likePositive = "😀"
+    val likeNegative = "😞"
+
+
+    fun toggleAgree(isFirst: Boolean) = withState {
+        if (isFirst) {
+            setState {
+                copy(
+                        agreeTrigleState = if (it.agreeTrigleState == TriggleState.FIRST) TriggleState.NONE else TriggleState.FIRST,
+                        selectionResult = getReactions(this)
+                )
+            }
+        } else {
+            setState {
+                copy(
+                        agreeTrigleState = if (it.agreeTrigleState == TriggleState.SECOND) TriggleState.NONE else TriggleState.SECOND,
+                        selectionResult = getReactions(this)
+                )
+            }
+        }
+    }
+
+    fun toggleLike(isFirst: Boolean) = withState {
+        if (isFirst) {
+            setState {
+                copy(
+                        likeTriggleState = if (it.likeTriggleState == TriggleState.FIRST) TriggleState.NONE else TriggleState.FIRST,
+                        selectionResult = getReactions(this)
+                )
+            }
+        } else {
+            setState {
+                copy(
+                        likeTriggleState = if (it.likeTriggleState == TriggleState.SECOND) TriggleState.NONE else TriggleState.SECOND,
+                        selectionResult = getReactions(this)
+                )
+            }
+        }
+    }
+
+    private fun getReactions(state: QuickReactionState): List<String> {
+        return ArrayList<String>(4).apply {
+            when (state.likeTriggleState) {
+                TriggleState.FIRST -> add(likePositive)
+                TriggleState.SECOND -> add(likeNegative)
+            }
+            when (state.agreeTrigleState) {
+                TriggleState.FIRST -> add(agreePositive)
+                TriggleState.SECOND -> add(agreeNegative)
+            }
+        }
+    }
+
+
+    companion object : MvRxViewModelFactory<QuickReactionViewModel, QuickReactionState> {
+
+        override fun initialState(viewModelContext: ViewModelContext): QuickReactionState? {
+            // Args are accessible from the context.
+            // val foo = vieWModelContext.args<MyArgs>.foo
+            return QuickReactionState(TriggleState.NONE, TriggleState.NONE)
+        }
+    }
+}

vector/src/main/java/im/vector/riotredesign/features/home/room/detail/timeline/factory/MessageItemFactory.kt

@@ -23,14 +23,8 @@ import im.vector.matrix.android.api.permalinks.MatrixLinkify
 import im.vector.matrix.android.api.permalinks.MatrixPermalinkSpan
 import im.vector.matrix.android.api.session.events.model.EventType
 import im.vector.matrix.android.api.session.events.model.toModel
-import im.vector.matrix.android.api.session.room.model.message.MessageAudioContent
+import im.vector.matrix.android.api.session.room.model.message.*
-import im.vector.matrix.android.api.session.room.model.message.MessageContent
+import im.vector.matrix.android.api.session.room.send.SendState
-import im.vector.matrix.android.api.session.room.model.message.MessageEmoteContent
-import im.vector.matrix.android.api.session.room.model.message.MessageFileContent
-import im.vector.matrix.android.api.session.room.model.message.MessageImageContent
-import im.vector.matrix.android.api.session.room.model.message.MessageNoticeContent
-import im.vector.matrix.android.api.session.room.model.message.MessageTextContent
-import im.vector.matrix.android.api.session.room.model.message.MessageVideoContent
 import im.vector.matrix.android.api.session.room.timeline.TimelineEvent
 import im.vector.riotredesign.R
 import im.vector.riotredesign.core.epoxy.VectorEpoxyModel
@@ -40,15 +34,7 @@ import im.vector.riotredesign.core.resources.ColorProvider
 import im.vector.riotredesign.features.home.room.detail.timeline.TimelineEventController
 import im.vector.riotredesign.features.home.room.detail.timeline.helper.TimelineDateFormatter
 import im.vector.riotredesign.features.home.room.detail.timeline.helper.TimelineMediaSizeProvider
-import im.vector.riotredesign.features.home.room.detail.timeline.item.DefaultItem
+import im.vector.riotredesign.features.home.room.detail.timeline.item.*
-import im.vector.riotredesign.features.home.room.detail.timeline.item.DefaultItem_
-import im.vector.riotredesign.features.home.room.detail.timeline.item.MessageFileItem
-import im.vector.riotredesign.features.home.room.detail.timeline.item.MessageFileItem_
-import im.vector.riotredesign.features.home.room.detail.timeline.item.MessageImageVideoItem
-import im.vector.riotredesign.features.home.room.detail.timeline.item.MessageImageVideoItem_
-import im.vector.riotredesign.features.home.room.detail.timeline.item.MessageInformationData
-import im.vector.riotredesign.features.home.room.detail.timeline.item.MessageTextItem
-import im.vector.riotredesign.features.home.room.detail.timeline.item.MessageTextItem_
 import im.vector.riotredesign.features.html.EventHtmlRenderer
 import im.vector.riotredesign.features.media.ImageContentRenderer
 import im.vector.riotredesign.features.media.VideoContentRenderer
@@ -93,11 +79,13 @@ class MessageItemFactory(private val colorProvider: ColorProvider,
                 memberName = formattedMemberName,
                 showInformation = showInformation)
 
+//        val all = event.root.toContent()
+//        val ev = all.toModel<Event>()
         return when (messageContent) {
-            is MessageEmoteContent  -> buildEmoteMessageItem(messageContent, informationData, callback)
+            is MessageEmoteContent -> buildEmoteMessageItem(eventId, messageContent, informationData, callback)
-            is MessageTextContent   -> buildTextMessageItem(messageContent, informationData, callback)
+            is MessageTextContent -> buildTextMessageItem(eventId, event.sendState, messageContent, informationData, callback)
             is MessageImageContent -> buildImageMessageItem(messageContent, informationData, callback)
-            is MessageNoticeContent -> buildNoticeMessageItem(messageContent, informationData, callback)
+            is MessageNoticeContent -> buildNoticeMessageItem(eventId, messageContent, informationData, callback)
             is MessageVideoContent -> buildVideoMessageItem(messageContent, informationData, callback)
             is MessageFileContent -> buildFileMessageItem(messageContent, informationData, callback)
             is MessageAudioContent -> buildAudioMessageItem(messageContent, informationData, callback)
@@ -179,7 +167,8 @@ class MessageItemFactory(private val colorProvider: ColorProvider,
                 .clickListener { view -> callback?.onVideoMessageClicked(messageContent, videoData, view) }
     }
 
-    private fun buildTextMessageItem(messageContent: MessageTextContent,
+    private fun buildTextMessageItem(eventId: String, sendState: SendState,
+                                     messageContent: MessageTextContent,
                                      informationData: MessageInformationData,
                                      callback: TimelineEventController.Callback?): MessageTextItem? {
 
@@ -191,9 +180,13 @@ class MessageItemFactory(private val colorProvider: ColorProvider,
         return MessageTextItem_()
                 .message(linkifiedBody)
                 .informationData(informationData)
+                .longClickListener { view ->
+                    return@longClickListener callback?.onEventLongClicked(eventId, informationData, messageContent, view)
+                            ?: false
+                }
     }
 
-    private fun buildNoticeMessageItem(messageContent: MessageNoticeContent,
+    private fun buildNoticeMessageItem(eventId: String, messageContent: MessageNoticeContent,
                                        informationData: MessageInformationData,
                                        callback: TimelineEventController.Callback?): MessageTextItem? {
 
@@ -208,9 +201,13 @@ class MessageItemFactory(private val colorProvider: ColorProvider,
         return MessageTextItem_()
                 .message(message)
                 .informationData(informationData)
+                .longClickListener { view ->
+                    return@longClickListener callback?.onEventLongClicked(eventId, informationData, messageContent, view)
+                            ?: false
+                }
     }
 
-    private fun buildEmoteMessageItem(messageContent: MessageEmoteContent,
+    private fun buildEmoteMessageItem(eventId: String, messageContent: MessageEmoteContent,
                                       informationData: MessageInformationData,
                                       callback: TimelineEventController.Callback?): MessageTextItem? {
 
@@ -221,6 +218,10 @@ class MessageItemFactory(private val colorProvider: ColorProvider,
         return MessageTextItem_()
                 .message(message)
                 .informationData(informationData)
+                .longClickListener { view ->
+                    return@longClickListener callback?.onEventLongClicked(eventId, informationData, messageContent, view)
+                            ?: false
+                }
     }
 
     private fun linkifyBody(body: CharSequence, callback: TimelineEventController.Callback?): Spannable {

vector/src/main/java/im/vector/riotredesign/features/home/room/detail/timeline/item/AbsMessageItem.kt

@@ -19,6 +19,7 @@ package im.vector.riotredesign.features.home.room.detail.timeline.item
 import android.view.View
 import android.widget.ImageView
 import android.widget.TextView
+import com.airbnb.epoxy.EpoxyAttribute
 import im.vector.riotredesign.core.epoxy.VectorEpoxyHolder
 import im.vector.riotredesign.core.epoxy.VectorEpoxyModel
 import im.vector.riotredesign.features.home.AvatarRenderer
@@ -27,6 +28,9 @@ abstract class AbsMessageItem<H : AbsMessageItem.Holder> : VectorEpoxyModel<H>()
 
     abstract val informationData: MessageInformationData
 
+    @EpoxyAttribute
+    var longClickListener: View.OnLongClickListener? = null
+
     override fun bind(holder: H) {
         super.bind(holder)
         if (informationData.showInformation) {
@@ -41,6 +45,7 @@ abstract class AbsMessageItem<H : AbsMessageItem.Holder> : VectorEpoxyModel<H>()
             holder.memberNameView.visibility = View.GONE
             holder.timeView.visibility = View.GONE
         }
+        holder.view.setOnLongClickListener(longClickListener)
     }
 
     protected fun View.renderSendState() {

vector/src/main/java/im/vector/riotredesign/features/home/room/detail/timeline/item/MessageInformationData.kt

@@ -18,6 +18,10 @@ package im.vector.riotredesign.features.home.room.detail.timeline.item
 
 import im.vector.matrix.android.api.session.room.send.SendState
 
+import android.os.Parcelable
+import kotlinx.android.parcel.Parcelize
+
+@Parcelize
 data class MessageInformationData(
         val eventId: String,
         val senderId: String,
@@ -26,4 +30,4 @@ data class MessageInformationData(
         val avatarUrl: String?,
         val memberName: CharSequence? = null,
         val showInformation: Boolean = true
-)
+) : Parcelable

vector/src/main/java/im/vector/riotredesign/features/home/room/detail/timeline/item/MessageTextItem.kt

@@ -46,6 +46,7 @@ abstract class MessageTextItem : AbsMessageItem<MessageTextItem.Holder>() {
                                                              null)
         holder.messageView.setTextFuture(textFuture)
         holder.messageView.renderSendState()
+        holder.messageView.setOnLongClickListener(longClickListener)
         findPillsAndProcess { it.bind(holder.messageView) }
     }
 

vector/src/main/java/im/vector/riotredesign/features/home/room/detail/timeline/item/NoticeItem.kt

@@ -16,6 +16,7 @@
 
 package im.vector.riotredesign.features.home.room.detail.timeline.item
 
+import android.view.View
 import android.widget.ImageView
 import android.widget.TextView
 import com.airbnb.epoxy.EpoxyAttribute
@@ -33,9 +34,14 @@ abstract class NoticeItem : VectorEpoxyModel<NoticeItem.Holder>() {
     @EpoxyAttribute var userId: String = ""
     @EpoxyAttribute var memberName: CharSequence? = null
 
+
+    @EpoxyAttribute
+    var longClickListener: View.OnLongClickListener? = null
+
     override fun bind(holder: Holder) {
         holder.noticeTextView.text = noticeText
         AvatarRenderer.render(avatarUrl, userId, memberName?.toString(), holder.avatarImageView)
+        holder.view.setOnLongClickListener(longClickListener)
     }
 
     class Holder : VectorEpoxyHolder() {

vector/src/main/java/im/vector/riotredesign/features/themes/ThemeUtils.kt

@@ -160,6 +160,17 @@ object ThemeUtils {
         return matchedColor
     }
 
+    fun getAttribute(c: Context, @AttrRes attribute: Int): TypedValue? {
+        try {
+            val typedValue = TypedValue()
+            c.theme.resolveAttribute(attribute, typedValue, true)
+            return  typedValue
+        } catch (e: Exception) {
+            Timber.e(e, "Unable to get color")
+        }
+        return null
+    }
+
     /**
      * Get the resource Id applied to the current theme
      *

vector/src/main/res/drawable/ic_copy.xml

@@ -0,0 +1,11 @@
+<vector android:height="24dp" android:viewportHeight="22"
+    android:viewportWidth="22" android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="#00000000" android:fillType="evenOdd"
+        android:pathData="M10.032,8L18.968,8A2.032,2.032 0,0 1,21 10.032L21,18.968A2.032,2.032 0,0 1,18.968 21L10.032,21A2.032,2.032 0,0 1,8 18.968L8,10.032A2.032,2.032 0,0 1,10.032 8z"
+        android:strokeColor="#9E9E9E" android:strokeLineCap="round"
+        android:strokeLineJoin="round" android:strokeWidth="2"/>
+    <path android:fillColor="#00000000" android:fillType="evenOdd"
+        android:pathData="M4,14L3,14a2,2 0,0 1,-2 -2L1,3a2,2 0,0 1,2 -2h9a2,2 0,0 1,2 2v1"
+        android:strokeColor="#9E9E9E" android:strokeLineCap="round"
+        android:strokeLineJoin="round" android:strokeWidth="2"/>
+</vector>

vector/src/main/res/drawable/ic_corner_down_right.xml

@@ -0,0 +1,22 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="22dp"
+    android:height="22dp"
+    android:viewportWidth="22"
+    android:viewportHeight="22">
+  <path
+      android:pathData="M14.75,8.5L21,14.75 14.75,21"
+      android:strokeLineJoin="round"
+      android:strokeWidth="2"
+      android:fillColor="#00000000"
+      android:fillType="evenOdd"
+      android:strokeColor="#9E9E9E"
+      android:strokeLineCap="round"/>
+  <path
+      android:pathData="M1,1v8.75a5,5 0,0 0,5 5h15"
+      android:strokeLineJoin="round"
+      android:strokeWidth="2"
+      android:fillColor="#00000000"
+      android:fillType="evenOdd"
+      android:strokeColor="#9E9E9E"
+      android:strokeLineCap="round"/>
+</vector>

vector/src/main/res/drawable/ic_edit.xml

@@ -0,0 +1,22 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="21dp"
+    android:height="22dp"
+    android:viewportWidth="21"
+    android:viewportHeight="22">
+  <path
+      android:pathData="M9.497,3.06H2.888C1.845,3.06 1,3.93 1,5v13.576c0,1.07 0.845,1.94 1.888,1.94h13.218c1.042,0 1.888,-0.87 1.888,-1.94v-6.788"
+      android:strokeLineJoin="round"
+      android:strokeWidth="2"
+      android:fillColor="#00000000"
+      android:fillType="evenOdd"
+      android:strokeColor="#9E9E9E"
+      android:strokeLineCap="round"/>
+  <path
+      android:pathData="M16.578,1.606a1.966,1.966 0,0 1,2.832 0,2.097 2.097,0 0,1 0,2.91l-8.969,9.211 -3.776,0.97 0.944,-3.879 8.969,-9.212z"
+      android:strokeLineJoin="round"
+      android:strokeWidth="2"
+      android:fillColor="#00000000"
+      android:fillType="evenOdd"
+      android:strokeColor="#9E9E9E"
+      android:strokeLineCap="round"/>
+</vector>

vector/src/main/res/drawable/ic_more_horizontal.xml

@@ -0,0 +1,30 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="22dp"
+    android:height="5dp"
+    android:viewportWidth="22"
+    android:viewportHeight="5">
+  <path
+      android:pathData="M9.333,2.5a1.429,1.5 0,1 0,2.858 0a1.429,1.5 0,1 0,-2.858 0z"
+      android:strokeLineJoin="round"
+      android:strokeWidth="2"
+      android:fillColor="#9E9E9E"
+      android:fillType="evenOdd"
+      android:strokeColor="#9E9E9E"
+      android:strokeLineCap="round"/>
+  <path
+      android:pathData="M17.666,2.5a1.429,1.5 0,1 0,2.858 0a1.429,1.5 0,1 0,-2.858 0z"
+      android:strokeLineJoin="round"
+      android:strokeWidth="2"
+      android:fillColor="#9E9E9E"
+      android:fillType="evenOdd"
+      android:strokeColor="#9E9E9E"
+      android:strokeLineCap="round"/>
+  <path
+      android:pathData="M1,2.5a1.429,1.5 0,1 0,2.858 0a1.429,1.5 0,1 0,-2.858 0z"
+      android:strokeLineJoin="round"
+      android:strokeWidth="2"
+      android:fillColor="#9E9E9E"
+      android:fillType="evenOdd"
+      android:strokeColor="#9E9E9E"
+      android:strokeLineCap="round"/>
+</vector>

vector/src/main/res/drawable/ic_more_horizontal_2.xml

@@ -0,0 +1,30 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="22dp"
+    android:height="5dp"
+    android:viewportWidth="22"
+    android:viewportHeight="5">
+  <path
+      android:pathData="M9.333,2.5a1.429,1.5 0,1 0,2.858 0a1.429,1.5 0,1 0,-2.858 0z"
+      android:strokeLineJoin="round"
+      android:strokeWidth="2"
+      android:fillColor="#9E9E9E"
+      android:fillType="evenOdd"
+      android:strokeColor="#9E9E9E"
+      android:strokeLineCap="round"/>
+  <path
+      android:pathData="M17.666,2.5a1.429,1.5 0,1 0,2.858 0a1.429,1.5 0,1 0,-2.858 0z"
+      android:strokeLineJoin="round"
+      android:strokeWidth="2"
+      android:fillColor="#9E9E9E"
+      android:fillType="evenOdd"
+      android:strokeColor="#9E9E9E"
+      android:strokeLineCap="round"/>
+  <path
+      android:pathData="M1,2.5a1.429,1.5 0,1 0,2.858 0a1.429,1.5 0,1 0,-2.858 0z"
+      android:strokeLineJoin="round"
+      android:strokeWidth="2"
+      android:fillColor="#9E9E9E"
+      android:fillType="evenOdd"
+      android:strokeColor="#9E9E9E"
+      android:strokeLineCap="round"/>
+</vector>

vector/src/main/res/drawable/ic_permalink.xml

@@ -0,0 +1,24 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="21dp"
+    android:height="21dp"
+    android:viewportWidth="21"
+    android:viewportHeight="21">
+  <path
+      android:pathData="M7.7782,11.7279L12.7279,6.7782A1,1 0,0 1,14.1421 6.7782L14.1421,6.7782A1,1 0,0 1,14.1421 8.1924L9.1924,13.1421A1,1 0,0 1,7.7782 13.1421L7.7782,13.1421A1,1 0,0 1,7.7782 11.7279z"
+      android:strokeWidth="1"
+      android:fillColor="#9E9E9E"
+      android:fillType="evenOdd"
+      android:strokeColor="#00000000"/>
+  <path
+      android:pathData="M6.9248,9.1065C6.7645,9.813 6.8139,10.5708 7.0693,11.2839C6.8715,11.3172 6.6817,11.4102 6.5291,11.5628L3.2857,14.8062C2.8952,15.1967 2.8952,15.8299 3.2857,16.2204L4.6999,17.6346C5.0904,18.0251 5.7236,18.0251 6.1141,17.6346L9.3575,14.3912C9.5102,14.2386 9.6031,14.0488 9.6364,13.851C10.3495,14.1064 11.1073,14.1558 11.8138,13.9955C11.7988,14.4866 11.6039,14.9733 11.229,15.3482L7.0711,19.5061C6.29,20.2871 5.0237,20.2871 4.2426,19.5061L1.4142,16.6777C0.6332,15.8966 0.6332,14.6303 1.4142,13.8492L5.5721,9.6913C5.947,9.3164 6.4337,9.1215 6.9248,9.1065Z"
+      android:strokeWidth="1"
+      android:fillColor="#9E9E9E"
+      android:fillType="evenOdd"
+      android:strokeColor="#00000000"/>
+  <path
+      android:pathData="M9.6269,6.4044C10.3334,6.2441 11.0913,6.2935 11.8043,6.5489C11.8376,6.351 11.9306,6.1613 12.0832,6.0086L15.3266,2.7653C15.7171,2.3748 16.3503,2.3748 16.7408,2.7653L18.155,4.1795C18.5455,4.57 18.5455,5.2032 18.155,5.5937L14.9117,8.8371C14.759,8.9897 14.5693,9.0827 14.3714,9.116C14.6268,9.829 14.6762,10.5869 14.5159,11.2934C15.0071,11.2784 15.4937,11.0834 15.8686,10.7086L20.0265,6.5506C20.8076,5.7696 20.8076,4.5033 20.0265,3.7222L17.1981,0.8938C16.417,0.1127 15.1507,0.1127 14.3697,0.8938L10.2117,5.0517C9.8369,5.4266 9.6419,5.9132 9.6269,6.4044Z"
+      android:strokeWidth="1"
+      android:fillColor="#9E9E9E"
+      android:fillType="evenOdd"
+      android:strokeColor="#00000000"/>
+</vector>

vector/src/main/res/drawable/ic_share.xml

@@ -0,0 +1,12 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="20dp"
+    android:height="20dp"
+    android:viewportWidth="20"
+    android:viewportHeight="20">
+  <path
+      android:pathData="M5.4861,9.7344L5.4501,9.3925L14.9912,4.5311L15.2479,4.7833C15.7127,5.24 16.3352,5.5 17,5.5C18.3807,5.5 19.5,4.3807 19.5,3C19.5,1.6193 18.3807,0.5 17,0.5C15.6193,0.5 14.5,1.6193 14.5,3C14.5,3.0963 14.5054,3.1918 14.5162,3.2863L14.5554,3.6308L5.0234,8.4876L4.7666,8.2311C4.3005,7.7656 3.6719,7.5 3,7.5C1.6193,7.5 0.5,8.6193 0.5,10C0.5,11.3807 1.6193,12.5 3,12.5C3.6072,12.5 4.1796,12.2834 4.6301,11.8955L4.8892,11.6724L14.493,16.7788L14.501,17.0699C14.5379,18.4208 15.6453,19.5 17,19.5C18.3807,19.5 19.5,18.3807 19.5,17C19.5,15.6193 18.3807,14.5 17,14.5C16.2197,14.5 15.4997,14.8592 15.0283,15.4628L14.77,15.7935L5.3947,10.8086L5.4598,10.4494C5.4865,10.3023 5.5,10.1521 5.5,10C5.5,9.9107 5.4953,9.8221 5.4861,9.7344Z"
+      android:strokeWidth="1"
+      android:fillColor="#979797"
+      android:strokeColor="#979797"
+      android:fillType="evenOdd"/>
+</vector>

vector/src/main/res/drawable/ic_smile.xml

@@ -0,0 +1,34 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="22dp"
+    android:height="22dp"
+    android:viewportWidth="22"
+    android:viewportHeight="22">
+  <path
+      android:pathData="M11,11m-10,0a10,10 0,1 1,20 0a10,10 0,1 1,-20 0"
+      android:strokeLineJoin="round"
+      android:strokeWidth="2"
+      android:fillColor="#00000000"
+      android:strokeColor="#9E9E9E"
+      android:fillType="evenOdd"
+      android:strokeLineCap="round"/>
+  <path
+      android:pathData="M7,13C7,13 8.5,15 11,15C13.5,15 15,13 15,13"
+      android:strokeLineJoin="round"
+      android:strokeWidth="2"
+      android:fillColor="#00000000"
+      android:strokeColor="#9E9E9E"
+      android:fillType="evenOdd"
+      android:strokeLineCap="round"/>
+  <path
+      android:pathData="M7.5,7.5m-1.5,0a1.5,1.5 0,1 1,3 0a1.5,1.5 0,1 1,-3 0"
+      android:strokeWidth="1"
+      android:fillColor="#9E9E9E"
+      android:fillType="evenOdd"
+      android:strokeColor="#00000000"/>
+  <path
+      android:pathData="M14.5,7.5m-1.5,0a1.5,1.5 0,1 1,3 0a1.5,1.5 0,1 1,-3 0"
+      android:strokeWidth="1"
+      android:fillColor="#9E9E9E"
+      android:fillType="evenOdd"
+      android:strokeColor="#00000000"/>
+</vector>

vector/src/main/res/drawable/ic_view_source.xml

@@ -0,0 +1,24 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="22dp"
+    android:height="17dp"
+    android:viewportWidth="22"
+    android:viewportHeight="17">
+  <path
+      android:pathData="M1.9413,8.3353L6.3938,12.3316C6.6985,12.6051 6.7238,13.0739 6.4503,13.3786C6.4325,13.3985 6.4136,13.4174 6.3938,13.4352C6.044,13.7491 5.514,13.7491 5.1643,13.4352L0.2462,9.021C0.0472,8.8423 -0.0327,8.5804 0.0121,8.3353C-0.0327,8.0902 0.0472,7.8283 0.2462,7.6496L5.1643,3.2354C5.514,2.9215 6.044,2.9215 6.3938,3.2354C6.4136,3.2532 6.4325,3.2721 6.4503,3.292C6.7238,3.5967 6.6985,4.0655 6.3938,4.339L1.9413,8.3353Z"
+      android:strokeWidth="1"
+      android:fillColor="#9E9E9E"
+      android:fillType="evenOdd"
+      android:strokeColor="#00000000"/>
+  <path
+      android:pathData="M19.6987,8.3353L15.2462,12.3316C14.9415,12.6051 14.9161,13.0739 15.1897,13.3786C15.2075,13.3985 15.2263,13.4174 15.2462,13.4352C15.5959,13.7491 16.126,13.7491 16.4757,13.4352L21.3938,9.021C21.5928,8.8423 21.6726,8.5804 21.6279,8.3353C21.6726,8.0902 21.5928,7.8283 21.3938,7.6496L16.4757,3.2354C16.126,2.9215 15.5959,2.9215 15.2462,3.2354C15.2263,3.2532 15.2075,3.2721 15.1897,3.292C14.9161,3.5967 14.9415,4.0655 15.2462,4.339L19.6987,8.3353Z"
+      android:strokeWidth="1"
+      android:fillColor="#9E9E9E"
+      android:fillType="evenOdd"
+      android:strokeColor="#00000000"/>
+  <path
+      android:pathData="M13,0.0467l2,0l-6.0855,16.9533l-2,0z"
+      android:strokeWidth="1"
+      android:fillColor="#9E9E9E"
+      android:fillType="evenOdd"
+      android:strokeColor="#00000000"/>
+</vector>

vector/src/main/res/layout/activity_home.xml

@@ -6,10 +6,16 @@
     android:layout_height="match_parent"
     tools:openDrawer="start">
 
+    <androidx.coordinatorlayout.widget.CoordinatorLayout
+        android:id="@+id/coordinatorLayout"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+
         <FrameLayout
             android:id="@+id/homeDetailFragmentContainer"
             android:layout_width="match_parent"
             android:layout_height="match_parent" />
+    </androidx.coordinatorlayout.widget.CoordinatorLayout>
 
 
     <FrameLayout

vector/src/main/res/layout/adapter_item_action.xml

@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:layout_height="50dp"
+    android:clickable="true"
+    android:focusable="true"
+    android:foreground="?attr/selectableItemBackground"
+    android:minHeight="50dp"
+    android:orientation="horizontal"
+    android:paddingLeft="@dimen/layout_horizontal_margin"
+    android:paddingTop="8dp"
+    android:paddingRight="@dimen/layout_horizontal_margin"
+    android:paddingBottom="8dp">
+
+    <ImageView
+        android:id="@+id/action_icon"
+        android:layout_width="22dp"
+        android:layout_height="22dp"
+        android:layout_gravity="center_vertical"
+        android:layout_marginEnd="16dp"
+        android:layout_marginRight="16dp"
+        android:src="@drawable/ic_material_delete"
+        android:tint="?android:attr/textColorSecondary" />
+
+    <TextView
+        android:id="@+id/action_title"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_vertical"
+        android:layout_marginEnd="16dp"
+        android:layout_marginRight="16dp"
+        android:textSize="17sp"
+        tools:text="@string/delete" />
+
+</LinearLayout>

vector/src/main/res/layout/adapter_item_action_quick_reaction.xml

@@ -0,0 +1,141 @@
+<?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:id="@+id/root_layout"
+    android:layout_height="96dp">
+
+
+    <RelativeLayout
+        android:id="@+id/quick_react_1"
+        android:layout_width="40dp"
+        android:layout_height="40dp"
+        android:layout_marginEnd="4dp"
+        android:layout_marginRight="4dp"
+        android:background="?android:attr/selectableItemBackground"
+        android:clickable="true"
+
+        android:focusable="true"
+        app:layout_constraintBottom_toTopOf="@id/quick_react_agree_text"
+        app:layout_constraintEnd_toStartOf="@id/quick_react_2"
+        app:layout_constraintHorizontal_chainStyle="packed"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_chainStyle="packed">
+
+        <TextView
+            android:id="@+id/quick_react_1_text"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_centerInParent="true"
+            android:textSize="30sp"
+            tools:text="👍" />
+    </RelativeLayout>
+
+    <RelativeLayout
+        android:id="@+id/quick_react_2"
+        android:layout_width="40dp"
+        android:layout_height="40dp"
+        android:layout_marginStart="4dp"
+        android:layout_marginLeft="4dp"
+        android:background="?android:attr/selectableItemBackground"
+        android:clickable="true"
+        android:focusable="true"
+        app:layout_constraintBottom_toBottomOf="@id/quick_react_1"
+        app:layout_constraintEnd_toStartOf="@id/center_guideline"
+
+        app:layout_constraintStart_toEndOf="@id/quick_react_1"
+        app:layout_constraintTop_toTopOf="@id/quick_react_1">
+
+        <TextView
+            android:id="@+id/quick_react_2_text"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_centerInParent="true"
+            android:layout_gravity="center_vertical"
+            android:textSize="30sp"
+            tools:text="👎" />
+    </RelativeLayout>
+
+    <TextView
+        android:id="@+id/quick_react_agree_text"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="4dp"
+        android:text="@string/reactions_agree"
+        android:textAlignment="center"
+        android:textStyle="bold"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toStartOf="@id/center_guideline"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/quick_react_1" />
+
+    <androidx.constraintlayout.widget.Guideline
+        android:id="@+id/center_guideline"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:orientation="vertical"
+        app:layout_constraintGuide_percent="0.5" />
+
+    <RelativeLayout
+        android:id="@+id/quick_react_3"
+        android:layout_width="40dp"
+        android:layout_height="40dp"
+        android:layout_marginEnd="4dp"
+        android:layout_marginRight="4dp"
+        android:background="?android:attr/selectableItemBackground"
+        android:clickable="true"
+        android:focusable="true"
+        app:layout_constraintBottom_toBottomOf="@+id/quick_react_1"
+        app:layout_constraintEnd_toStartOf="@id/quick_react_4"
+        app:layout_constraintHorizontal_chainStyle="packed"
+        app:layout_constraintStart_toEndOf="@id/center_guideline"
+        app:layout_constraintTop_toTopOf="@id/quick_react_1">
+
+        <TextView
+            android:id="@+id/quick_react_3_text"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_centerInParent="true"
+            android:textSize="30sp"
+            tools:text="😀" />
+    </RelativeLayout>
+
+    <RelativeLayout
+        android:id="@+id/quick_react_4"
+        android:layout_width="40dp"
+        android:layout_height="40dp"
+        android:layout_marginStart="4dp"
+        android:layout_marginLeft="4dp"
+        android:background="?android:attr/selectableItemBackground"
+        android:clickable="true"
+        android:focusable="true"
+        app:layout_constraintBottom_toBottomOf="@id/quick_react_3"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toEndOf="@id/quick_react_3"
+        app:layout_constraintTop_toTopOf="@id/quick_react_3">
+
+        <TextView
+            android:id="@+id/quick_react_4_text"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_centerInParent="true"
+            android:layout_gravity="center_vertical"
+            android:textSize="30sp"
+            tools:text="😞" />
+    </RelativeLayout>
+
+    <TextView
+        android:id="@+id/quick_react_like_text"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:text="@string/reactions_like"
+        android:textAlignment="center"
+        android:textStyle="bold"
+        app:layout_constraintBottom_toBottomOf="@id/quick_react_agree_text"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toEndOf="@id/center_guideline"
+        app:layout_constraintTop_toTopOf="@id/quick_react_agree_text" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>

vector/src/main/res/layout/bottom_sheet_message_actions.xml

@@ -0,0 +1,108 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.core.widget.NestedScrollView 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"
+    app:layout_behavior="@string/bottom_sheet_behavior">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="vertical">
+
+        <androidx.constraintlayout.widget.ConstraintLayout
+            android:id="@+id/bottom_sheet_message_preview"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content">
+
+            <ImageView
+                android:id="@+id/bottom_sheet_message_preview_avatar"
+                android:layout_width="60dp"
+                android:layout_height="60dp"
+                android:layout_margin="@dimen/layout_horizontal_margin"
+                android:adjustViewBounds="true"
+                android:contentDescription="@string/avatar"
+                android:background="@drawable/circle"
+                android:scaleType="centerCrop"
+                app:layout_constraintBottom_toBottomOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toTopOf="parent"
+                tools:src="@tools:sample/avatars" />
+
+            <TextView
+                android:id="@+id/bottom_sheet_message_preview_sender"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_gravity="start"
+                android:layout_marginStart="8dp"
+                android:layout_marginLeft="8dp"
+                android:layout_marginEnd="8dp"
+                android:layout_marginRight="8dp"
+                android:ellipsize="end"
+                android:fontFamily="sans-serif-bold"
+                android:singleLine="true"
+                android:textSize="14sp"
+                android:textStyle="bold"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintStart_toEndOf="@id/bottom_sheet_message_preview_avatar"
+                app:layout_constraintTop_toTopOf="@id/bottom_sheet_message_preview_avatar"
+                tools:text="@tools:sample/full_names" />
+
+            <TextView xmlns:android="http://schemas.android.com/apk/res/android"
+
+                android:id="@+id/bottom_sheet_message_preview_body"
+                android:layout_width="0dp"
+                android:layout_height="0dp"
+                android:layout_gravity="start"
+                android:layout_marginStart="8dp"
+                android:layout_marginLeft="8dp"
+                android:layout_marginEnd="8dp"
+                android:layout_marginRight="8dp"
+                android:layout_marginBottom="@dimen/layout_vertical_margin"
+                android:ellipsize="end"
+                android:maxLines="2"
+                android:textColor="?android:textColorSecondary"
+                android:textIsSelectable="false"
+                android:textSize="14sp"
+                app:layout_constraintBottom_toBottomOf="parent"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintStart_toEndOf="@id/bottom_sheet_message_preview_avatar"
+                app:layout_constraintTop_toBottomOf="@id/bottom_sheet_message_preview_sender"
+                tools:text="Quis harum id autem cumque consequatur laboriosam aliquam sed. Sint accusamus dignissimos nobis ullam earum debitis aspernatur. " />
+
+        </androidx.constraintlayout.widget.ConstraintLayout>
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="1dp"
+            android:background="?attr/vctr_list_divider_color" />
+
+        <FrameLayout
+            android:id="@+id/bottom_sheet_quick_reaction_container"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content" />
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="1dp"
+            android:background="?attr/vctr_list_divider_color" />
+
+
+        <FrameLayout
+            android:id="@+id/bottom_sheet_menu_container"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content" />
+
+        <!--<com.airbnb.epoxy.EpoxyRecyclerView-->
+        <!--android:visibility="invisible"-->
+        <!--android:id="@+id/bottom_sheet_actions_list"-->
+        <!--android:layout_width="match_parent"-->
+        <!--android:layout_height="match_parent"-->
+        <!--tools:itemCount="20"-->
+        <!--android:minHeight="80dp"-->
+        <!--tools:listitem="@layout/adapter_item_action">-->
+
+        <!--</com.airbnb.epoxy.EpoxyRecyclerView>-->
+    </LinearLayout>
+</androidx.core.widget.NestedScrollView>

vector/src/main/res/layout/dialog_event_content.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content">
+
+    <TextView
+        android:id="@+id/event_content_text_view"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_margin="5dp"
+        android:textSize="12sp"
+        android:fontFamily="monospace"
+        android:textIsSelectable="true" />
+</ScrollView>

vector/src/main/res/layout/item_timeline_event_text_message.xml

@@ -4,6 +4,7 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
+    android:background="?attr/selectableItemBackground"
     android:paddingLeft="16dp"
     android:paddingRight="16dp">
 
@@ -54,6 +55,7 @@
         android:id="@+id/messageTextView"
         android:layout_width="0dp"
         android:layout_height="wrap_content"
+        android:foreground="?attr/selectableItemBackgroundBorderless"
         android:layout_marginStart="64dp"
         android:layout_marginLeft="64dp"
         android:layout_marginBottom="8dp"

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

@@ -57,6 +57,8 @@
     <string name="stay">Stay</string>
     <string name="send">Send</string>
     <string name="copy">Copy</string>
+    <string name="edit">Edit</string>
+    <string name="reply">Reply</string>
     <string name="resend">Resend</string>
     <string name="redact">Remove</string>
     <string name="quote">Quote</string>
@@ -1400,4 +1402,9 @@ Why choose Riot.im?
     <string name="autodiscover_well_known_autofill_dialog_message">Riot detected a custom server configuration for your userId domain \"%s\":\n%s</string>
     <string name="autodiscover_well_known_autofill_confirm">Use Config</string>
     
+    
+    <string name="reactions_agree">Agree</string>
+    <string name="reactions_like">Like</string>
+    <string name="message_add_reaction">Add Reaction</string>
+
 </resources>

vector/src/main/res/xml/riotx_provider_paths.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<paths>
+    <cache-path
+        name="shared"
+        path="/" />
+</paths>