[AND-320] Swipe to reply (XML artifact)

CHANGELOG.md

@@ -60,6 +60,7 @@
 ### ⬆️ Improved
 
 ### ✅ Added
+- Added Swipe To Reply feature to the MessageListView. [#5626](https://github.com/GetStream/stream-chat-android/pull/5626)
 
 ### ⚠️ Changed
 

stream-chat-android-core/src/testFixtures/kotlin/io/getstream/chat/android/Mother.kt

@@ -19,6 +19,7 @@ package io.getstream.chat.android
 import io.getstream.chat.android.models.Attachment
 import io.getstream.chat.android.models.AttachmentType
 import io.getstream.chat.android.models.Channel
+import io.getstream.chat.android.models.ChannelCapabilities
 import io.getstream.chat.android.models.ChannelConfig
 import io.getstream.chat.android.models.ChannelInfo
 import io.getstream.chat.android.models.ChannelMute
@@ -49,6 +50,7 @@ public fun positiveRandomInt(maxInt: Int = Int.MAX_VALUE - 1): Int =
 public fun positiveRandomLong(maxLong: Long = Long.MAX_VALUE - 1): Long =
     Random.nextLong(1, maxLong + 1)
 
+public fun randomFloat(): Float = Random.nextFloat()
 public fun randomInt(): Int = Random.nextInt()
 public fun randomIntBetween(min: Int, max: Int): Int = Random.nextInt(min, max + 1)
 public fun randomLong(): Long = Random.nextLong()
@@ -560,3 +562,48 @@ public fun randomReactionGroup(
     firstReactionAt = firstReactionAt,
     lastReactionAt = lastReactionAt,
 )
+
+public fun allChannelCapabilities(): Set<String> = setOf(
+    ChannelCapabilities.BAN_CHANNEL_MEMBERS,
+    ChannelCapabilities.CONNECT_EVENTS,
+    ChannelCapabilities.DELETE_ANY_MESSAGE,
+    ChannelCapabilities.DELETE_CHANNEL,
+    ChannelCapabilities.DELETE_OWN_MESSAGE,
+    ChannelCapabilities.FLAG_MESSAGE,
+    ChannelCapabilities.FREEZE_CHANNEL,
+    ChannelCapabilities.LEAVE_CHANNEL,
+    ChannelCapabilities.JOIN_CHANNEL,
+    ChannelCapabilities.MUTE_CHANNEL,
+    ChannelCapabilities.PIN_MESSAGE,
+    ChannelCapabilities.QUOTE_MESSAGE,
+    ChannelCapabilities.READ_EVENTS,
+    ChannelCapabilities.SEARCH_MESSAGES,
+    ChannelCapabilities.SEND_CUSTOM_EVENTS,
+    ChannelCapabilities.SEND_LINKS,
+    ChannelCapabilities.SEND_MESSAGE,
+    ChannelCapabilities.SEND_REACTION,
+    ChannelCapabilities.SEND_REPLY,
+    ChannelCapabilities.SET_CHANNEL_COOLDOWN,
+    ChannelCapabilities.UPDATE_ANY_MESSAGE,
+    ChannelCapabilities.UPDATE_CHANNEL,
+    ChannelCapabilities.UPDATE_CHANNEL_MEMBERS,
+    ChannelCapabilities.UPDATE_OWN_MESSAGE,
+    ChannelCapabilities.UPLOAD_FILE,
+    ChannelCapabilities.TYPING_EVENTS,
+    ChannelCapabilities.SLOW_MODE,
+    ChannelCapabilities.SKIP_SLOW_MODE,
+    ChannelCapabilities.JOIN_CALL,
+    ChannelCapabilities.CREATE_CALL,
+    ChannelCapabilities.CAST_POLL_VOTE,
+    ChannelCapabilities.SEND_POLL,
+)
+
+public fun randomChannelCapabilities(
+    exclude: Set<String> = emptySet(),
+    include: Set<String> = emptySet(),
+): Set<String> =
+    allChannelCapabilities()
+        .minus(exclude)
+        .shuffled()
+        .let { it.take(positiveRandomInt(it.size)) }
+        .toSet() + include

stream-chat-android-ui-common/src/main/kotlin/io/getstream/chat/android/ui/common/feature/messages/composer/MessageComposerController.kt

@@ -504,7 +504,7 @@ public class MessageComposerController(
                 setMessageMode(MessageMode.MessageThread(messageAction.message))
             }
             is Reply -> {
-                messageActions.value = messageActions.value + messageAction
+                messageActions.value = (messageActions.value.filterNot { it is Reply } + messageAction).toSet()
             }
             is Edit -> {
                 setMessageInputInternal(messageAction.message.text, MessageInput.Source.Edit)

stream-chat-android-ui-components/api/stream-chat-android-ui-components.api

@@ -2542,7 +2542,7 @@ public abstract interface class io/getstream/chat/android/ui/feature/messages/li
 
 public final class io/getstream/chat/android/ui/feature/messages/list/MessageListViewStyle : io/getstream/chat/android/ui/helper/ViewStyle {
 	public static final field Companion Lio/getstream/chat/android/ui/feature/messages/list/MessageListViewStyle$Companion;
-	public fun <init> (Lio/getstream/chat/android/ui/feature/messages/list/ScrollButtonViewStyle;Lio/getstream/chat/android/ui/feature/messages/list/MessageListView$NewMessagesBehaviour;Lio/getstream/chat/android/ui/feature/messages/list/MessageListItemStyle;Lio/getstream/chat/android/ui/feature/messages/list/GiphyViewHolderStyle;Lio/getstream/chat/android/ui/feature/messages/list/MessageViewStyle;Lio/getstream/chat/android/ui/feature/messages/list/MessageReplyStyle;Lio/getstream/chat/android/ui/feature/messages/list/UnreadLabelButtonStyle;ZIIZIZIIIZIIZIIZIZIIZZZZZZLio/getstream/chat/android/ui/font/TextStyle;Lio/getstream/chat/android/ui/font/TextStyle;IILio/getstream/chat/android/ui/font/TextStyle;ILio/getstream/chat/android/ui/font/TextStyle;IIIIIIZIIIIIIIIIIIIZZ)V
+	public fun <init> (Lio/getstream/chat/android/ui/feature/messages/list/ScrollButtonViewStyle;Lio/getstream/chat/android/ui/feature/messages/list/MessageListView$NewMessagesBehaviour;Lio/getstream/chat/android/ui/feature/messages/list/MessageListItemStyle;Lio/getstream/chat/android/ui/feature/messages/list/GiphyViewHolderStyle;Lio/getstream/chat/android/ui/feature/messages/list/MessageViewStyle;Lio/getstream/chat/android/ui/feature/messages/list/MessageReplyStyle;Lio/getstream/chat/android/ui/feature/messages/list/UnreadLabelButtonStyle;ZIIZIZIIIZIIZIIZIZIIZZZZZZLio/getstream/chat/android/ui/font/TextStyle;Lio/getstream/chat/android/ui/font/TextStyle;IILio/getstream/chat/android/ui/font/TextStyle;ILio/getstream/chat/android/ui/font/TextStyle;IIIIIIZIIIIIIIIIIIIZZZI)V
 	public final fun component1 ()Lio/getstream/chat/android/ui/feature/messages/list/ScrollButtonViewStyle;
 	public final fun component10 ()I
 	public final fun component11 ()Z
@@ -2601,11 +2601,13 @@ public final class io/getstream/chat/android/ui/feature/messages/list/MessageLis
 	public final fun component6 ()Lio/getstream/chat/android/ui/feature/messages/list/MessageReplyStyle;
 	public final fun component60 ()Z
 	public final fun component61 ()Z
+	public final fun component62 ()Z
+	public final fun component63 ()I
 	public final fun component7 ()Lio/getstream/chat/android/ui/feature/messages/list/UnreadLabelButtonStyle;
 	public final fun component8 ()Z
 	public final fun component9 ()I
-	public final fun copy (Lio/getstream/chat/android/ui/feature/messages/list/ScrollButtonViewStyle;Lio/getstream/chat/android/ui/feature/messages/list/MessageListView$NewMessagesBehaviour;Lio/getstream/chat/android/ui/feature/messages/list/MessageListItemStyle;Lio/getstream/chat/android/ui/feature/messages/list/GiphyViewHolderStyle;Lio/getstream/chat/android/ui/feature/messages/list/MessageViewStyle;Lio/getstream/chat/android/ui/feature/messages/list/MessageReplyStyle;Lio/getstream/chat/android/ui/feature/messages/list/UnreadLabelButtonStyle;ZIIZIZIIIZIIZIIZIZIIZZZZZZLio/getstream/chat/android/ui/font/TextStyle;Lio/getstream/chat/android/ui/font/TextStyle;IILio/getstream/chat/android/ui/font/TextStyle;ILio/getstream/chat/android/ui/font/TextStyle;IIIIIIZIIIIIIIIIIIIZZ)Lio/getstream/chat/android/ui/feature/messages/list/MessageListViewStyle;
-	public static synthetic fun copy$default (Lio/getstream/chat/android/ui/feature/messages/list/MessageListViewStyle;Lio/getstream/chat/android/ui/feature/messages/list/ScrollButtonViewStyle;Lio/getstream/chat/android/ui/feature/messages/list/MessageListView$NewMessagesBehaviour;Lio/getstream/chat/android/ui/feature/messages/list/MessageListItemStyle;Lio/getstream/chat/android/ui/feature/messages/list/GiphyViewHolderStyle;Lio/getstream/chat/android/ui/feature/messages/list/MessageViewStyle;Lio/getstream/chat/android/ui/feature/messages/list/MessageReplyStyle;Lio/getstream/chat/android/ui/feature/messages/list/UnreadLabelButtonStyle;ZIIZIZIIIZIIZIIZIZIIZZZZZZLio/getstream/chat/android/ui/font/TextStyle;Lio/getstream/chat/android/ui/font/TextStyle;IILio/getstream/chat/android/ui/font/TextStyle;ILio/getstream/chat/android/ui/font/TextStyle;IIIIIIZIIIIIIIIIIIIZZIILjava/lang/Object;)Lio/getstream/chat/android/ui/feature/messages/list/MessageListViewStyle;
+	public final fun copy (Lio/getstream/chat/android/ui/feature/messages/list/ScrollButtonViewStyle;Lio/getstream/chat/android/ui/feature/messages/list/MessageListView$NewMessagesBehaviour;Lio/getstream/chat/android/ui/feature/messages/list/MessageListItemStyle;Lio/getstream/chat/android/ui/feature/messages/list/GiphyViewHolderStyle;Lio/getstream/chat/android/ui/feature/messages/list/MessageViewStyle;Lio/getstream/chat/android/ui/feature/messages/list/MessageReplyStyle;Lio/getstream/chat/android/ui/feature/messages/list/UnreadLabelButtonStyle;ZIIZIZIIIZIIZIIZIZIIZZZZZZLio/getstream/chat/android/ui/font/TextStyle;Lio/getstream/chat/android/ui/font/TextStyle;IILio/getstream/chat/android/ui/font/TextStyle;ILio/getstream/chat/android/ui/font/TextStyle;IIIIIIZIIIIIIIIIIIIZZZI)Lio/getstream/chat/android/ui/feature/messages/list/MessageListViewStyle;
+	public static synthetic fun copy$default (Lio/getstream/chat/android/ui/feature/messages/list/MessageListViewStyle;Lio/getstream/chat/android/ui/feature/messages/list/ScrollButtonViewStyle;Lio/getstream/chat/android/ui/feature/messages/list/MessageListView$NewMessagesBehaviour;Lio/getstream/chat/android/ui/feature/messages/list/MessageListItemStyle;Lio/getstream/chat/android/ui/feature/messages/list/GiphyViewHolderStyle;Lio/getstream/chat/android/ui/feature/messages/list/MessageViewStyle;Lio/getstream/chat/android/ui/feature/messages/list/MessageReplyStyle;Lio/getstream/chat/android/ui/feature/messages/list/UnreadLabelButtonStyle;ZIIZIZIIIZIIZIIZIZIIZZZZZZLio/getstream/chat/android/ui/font/TextStyle;Lio/getstream/chat/android/ui/font/TextStyle;IILio/getstream/chat/android/ui/font/TextStyle;ILio/getstream/chat/android/ui/font/TextStyle;IIIIIIZIIIIIIIIIIIIZZZIIILjava/lang/Object;)Lio/getstream/chat/android/ui/feature/messages/list/MessageListViewStyle;
 	public fun equals (Ljava/lang/Object;)Z
 	public final fun getAudioRecordPlayerViewStyle ()Lio/getstream/chat/android/ui/feature/messages/list/MessageViewStyle;
 	public final fun getBackgroundColor ()I
@@ -2659,6 +2661,8 @@ public final class io/getstream/chat/android/ui/feature/messages/list/MessageLis
 	public final fun getScrollButtonEndMargin ()I
 	public final fun getScrollButtonViewStyle ()Lio/getstream/chat/android/ui/feature/messages/list/ScrollButtonViewStyle;
 	public final fun getShowReactionsForUnsentMessages ()Z
+	public final fun getSwipeToReplyEnabled ()Z
+	public final fun getSwipeToReplyIcon ()I
 	public final fun getThreadMessagesStart ()I
 	public final fun getThreadReplyIcon ()I
 	public final fun getThreadsEnabled ()Z
@@ -2795,7 +2799,7 @@ public abstract class io/getstream/chat/android/ui/feature/messages/list/adapter
 	public fun <init> (Landroid/view/View;)V
 	public abstract fun bindData (Lio/getstream/chat/android/ui/feature/messages/list/adapter/MessageListItem;Lio/getstream/chat/android/ui/feature/messages/list/adapter/MessageListItemPayloadDiff;)V
 	protected final fun getContext ()Landroid/content/Context;
-	protected final fun getData ()Lio/getstream/chat/android/ui/feature/messages/list/adapter/MessageListItem;
+	public final fun getData ()Lio/getstream/chat/android/ui/feature/messages/list/adapter/MessageListItem;
 	public fun messageContainerView ()Landroid/view/View;
 	public fun onAttachedToWindow ()V
 	public fun onDetachedFromWindow ()V

stream-chat-android-ui-components/src/main/kotlin/io/getstream/chat/android/ui/feature/messages/list/MessageListItemStyle.kt

@@ -200,7 +200,7 @@ public data class MessageListItemStyle(
         internal val MESSAGE_STROKE_COLOR_MINE = R.color.stream_ui_literal_transparent
         internal const val MESSAGE_STROKE_WIDTH_MINE: Float = 0f
         internal val MESSAGE_STROKE_COLOR_THEIRS = R.color.stream_ui_grey_whisper
-        internal val MESSAGE_STROKE_WIDTH_THEIRS: Float = 1.dpToPxPrecise()
+        internal val MESSAGE_STROKE_WIDTH_THEIRS: Float by lazy { 1.dpToPxPrecise() }
 
         private const val BASE_MESSAGE_MAX_WIDTH_FACTOR = 1
         private const val DEFAULT_MESSAGE_MAX_WIDTH_FACTOR = 0.75f

stream-chat-android-ui-components/src/main/kotlin/io/getstream/chat/android/ui/feature/messages/list/MessageListView.kt

@@ -29,6 +29,7 @@ import android.widget.Toast
 import androidx.constraintlayout.widget.ConstraintLayout
 import androidx.core.view.isVisible
 import androidx.fragment.app.FragmentManager
+import androidx.recyclerview.widget.ItemTouchHelper
 import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
 import androidx.recyclerview.widget.RecyclerView.ItemAnimator
@@ -108,6 +109,8 @@ import io.getstream.chat.android.ui.feature.messages.list.background.MessageBack
 import io.getstream.chat.android.ui.feature.messages.list.background.MessageBackgroundFactoryImpl
 import io.getstream.chat.android.ui.feature.messages.list.internal.HiddenMessageListItemPredicate
 import io.getstream.chat.android.ui.feature.messages.list.internal.MessageListScrollHelper
+import io.getstream.chat.android.ui.feature.messages.list.internal.SwipeReplyCallback
+import io.getstream.chat.android.ui.feature.messages.list.internal.canReplyToMessage
 import io.getstream.chat.android.ui.feature.messages.list.internal.poll.AllPollOptionsDialogFragment
 import io.getstream.chat.android.ui.feature.messages.list.internal.poll.PollResultsDialogFragment
 import io.getstream.chat.android.ui.feature.messages.list.options.message.MessageOptionItem
@@ -666,6 +669,7 @@ public class MessageListView : ConstraintLayout {
 
         initRecyclerView()
         initScrollHelper()
+        initSwipeToReply()
         initLoadingView()
         initEmptyStateView()
         messageListViewStyle?.unreadLabelButtonStyle?.let { initUnreadLabelButton(it) }
@@ -727,6 +731,30 @@ public class MessageListView : ConstraintLayout {
         }
     }
 
+    private fun initSwipeToReply() {
+        messageListViewStyle?.swipeToReplyIcon
+            ?.takeUnless { messageListViewStyle?.swipeToReplyEnabled == false }
+            ?.let(context::getDrawable)
+            ?.let { swipeToReplyIcon ->
+                SwipeReplyCallback(swipeToReplyIcon) { message ->
+                    message
+                        ?.let { messageListViewStyle?.canReplyToMessage(it, ownCapabilities) }
+                        ?: false
+                }.let { swipeReplyCallback ->
+                    ItemTouchHelper(swipeReplyCallback).let { itemTouchHelper ->
+                        swipeReplyCallback.onReply = {
+                            // We need to detach and attach the itemTouchHelper to the RecyclerView to make it work
+                            // after the reply action is completed.
+                            itemTouchHelper.attachToRecyclerView(null)
+                            itemTouchHelper.attachToRecyclerView(binding.chatMessagesRV)
+                            messageReplyHandler.onMessageReply(it.cid, it)
+                        }
+                        itemTouchHelper.attachToRecyclerView(binding.chatMessagesRV)
+                    }
+                }
+            }
+    }
+
     private fun configureAttributes(attributeSet: AttributeSet?) {
         context.obtainStyledAttributes(
             attributeSet,