Display emoji reactions

Based partially on these commits by alba:
- e1eaea9d5a
- 97ffa14268
- 3320e6a0da

app/src/main/java/com/keylesspalace/tusky/adapter/StatusBaseViewHolder.java

@@ -34,6 +34,8 @@ import com.bumptech.glide.Glide;
 import com.bumptech.glide.RequestBuilder;
 import com.google.android.material.button.MaterialButton;
 import com.google.android.material.color.MaterialColors;
+import com.google.android.material.chip.Chip;
+import com.google.android.material.chip.ChipGroup;
 import com.google.android.material.imageview.ShapeableImageView;
 import com.google.android.material.shape.CornerFamily;
 import com.google.android.material.shape.ShapeAppearanceModel;
@@ -44,6 +46,7 @@ import com.keylesspalace.tusky.entity.Attachment.Focus;
 import com.keylesspalace.tusky.entity.Attachment.MetaData;
 import com.keylesspalace.tusky.entity.Card;
 import com.keylesspalace.tusky.entity.Emoji;
+import com.keylesspalace.tusky.entity.EmojiReaction;
 import com.keylesspalace.tusky.entity.Filter;
 import com.keylesspalace.tusky.entity.FilterResult;
 import com.keylesspalace.tusky.entity.HashTag;
@@ -53,6 +56,7 @@ import com.keylesspalace.tusky.util.AbsoluteTimeFormatter;
 import com.keylesspalace.tusky.util.AttachmentHelper;
 import com.keylesspalace.tusky.util.CardViewMode;
 import com.keylesspalace.tusky.util.CustomEmojiHelper;
+import com.keylesspalace.tusky.util.EmojiReactions;
 import com.keylesspalace.tusky.util.ImageLoadingHelper;
 import com.keylesspalace.tusky.util.LinkHelper;
 import com.keylesspalace.tusky.util.NumberUtils;
@@ -128,6 +132,8 @@ public abstract class StatusBaseViewHolder extends RecyclerView.ViewHolder {
 
     private final Drawable mediaPreviewUnloaded;
 
+    private ChipGroup emojiReactionsView;
+
     protected StatusBaseViewHolder(View itemView) {
         super(itemView);
         displayName = itemView.findViewById(R.id.status_display_name);
@@ -141,6 +147,7 @@ public abstract class StatusBaseViewHolder extends RecyclerView.ViewHolder {
         favouriteButton = itemView.findViewById(R.id.status_favourite);
         bookmarkButton = itemView.findViewById(R.id.status_bookmark);
         moreButton = itemView.findViewById(R.id.status_more);
+        emojiReactionsView = itemView.findViewById(R.id.status_emoji_reactions);
 
         mediaContainer = itemView.findViewById(R.id.status_media_preview_container);
         mediaContainer.setClipToOutline(true);
@@ -750,6 +757,27 @@ public abstract class StatusBaseViewHolder extends RecyclerView.ViewHolder {
         popup.show();
     }
 
+    private void setEmojiReactions(@Nullable List<EmojiReaction> reactions, final StatusActionListener listener, final String statusId, final StatusDisplayOptions displayOptions) {
+        if (emojiReactionsView == null) {
+            return;
+        }
+        if (reactions == null || reactions.size() == 0) {
+            emojiReactionsView.setVisibility(View.GONE);
+            return;
+        }
+
+        emojiReactionsView.setVisibility(View.VISIBLE);
+
+        EmojiReactions.setupReactions(emojiReactionsView, reactions, (Chip chip, View view, EmojiReaction reaction) -> {
+            chip.setChecked(reaction.getMe());
+            return null;
+        }, displayOptions.animateEmojis());
+
+        while (emojiReactionsView.getChildCount() > reactions.size()) {
+            emojiReactionsView.removeViewAt(reactions.size());
+        }
+    }
+
     public void setupWithStatus(StatusViewData.Concrete status, final StatusActionListener listener,
                                 StatusDisplayOptions statusDisplayOptions) {
         this.setupWithStatus(status, listener, statusDisplayOptions, null);
@@ -802,6 +830,8 @@ public abstract class StatusBaseViewHolder extends RecyclerView.ViewHolder {
 
             setDescriptionForStatus(status, statusDisplayOptions);
 
+            setEmojiReactions(status.getEmojiReactions(), listener, status.getId(), statusDisplayOptions);
+
             // Workaround for RecyclerView 1.0.0 / androidx.core 1.0.0
             // RecyclerView tries to set AccessibilityDelegateCompat to null
             // but ViewCompat code replaces is with the default one. RecyclerView never

app/src/main/java/com/keylesspalace/tusky/components/announcements/AnnouncementAdapter.kt

@@ -79,7 +79,7 @@ class AnnouncementAdapter(
         // hide button if announcement badge limit is already reached
         addReactionChip.visible(item.reactions.size < 8)
 
-        chips.setupReactions(item.reactions, fun(_: View, reaction: EmojiReaction) {
+        chips.setupReactions(item.reactions, fun(_: Chip, _: View, reaction: EmojiReaction) {
             if (reaction.me) {
                 listener.removeReaction(item.id, reaction.name)
             } else {

app/src/main/java/com/keylesspalace/tusky/util/EmojiReactions.kt

@@ -1,3 +1,4 @@
+@file:JvmName("EmojiReactions")
 package com.keylesspalace.tusky.util
 
 import android.os.Build
@@ -11,7 +12,7 @@ import com.keylesspalace.tusky.R
 import com.keylesspalace.tusky.entity.EmojiReaction
 import java.lang.ref.WeakReference
 
-fun ChipGroup.setupReactions(reactions: List<EmojiReaction>, clickListener: (view: View, reaction: EmojiReaction) -> Unit, animateEmojis: Boolean) {
+fun ChipGroup.setupReactions(reactions: List<EmojiReaction>, clickListener: (chip: Chip, view: View, reaction: EmojiReaction) -> Unit, animateEmojis: Boolean) {
     val chips = this
     reactions.forEachIndexed { i, reaction ->
         (
@@ -44,7 +45,7 @@ fun ChipGroup.setupReactions(reactions: List<EmojiReaction>, clickListener: (vie
                 isChecked = reaction.me
 
                 setOnClickListener {
-                    clickListener(it, reaction)
+                    clickListener(this, it, reaction)
                 }
             }
     }

app/src/main/java/com/keylesspalace/tusky/viewdata/StatusViewData.kt

@@ -16,6 +16,7 @@ package com.keylesspalace.tusky.viewdata
 
 import android.os.Build
 import android.text.Spanned
+import com.keylesspalace.tusky.entity.EmojiReaction
 import com.keylesspalace.tusky.entity.Filter
 import com.keylesspalace.tusky.entity.Status
 import com.keylesspalace.tusky.util.parseAsMastodonHtml
@@ -76,6 +77,9 @@ sealed class StatusViewData {
         val rebloggingStatus: Status?
             get() = if (status.reblog != null) status else null
 
+        val emojiReactions: List<EmojiReaction>?
+            get() = status.actionableStatus.pleroma?.emojiReactions
+
         init {
             if (Build.VERSION.SDK_INT == 23) {
                 // https://github.com/tuskyapp/Tusky/issues/563

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

@@ -310,6 +310,16 @@
         app:layout_constraintTop_toBottomOf="@id/status_poll_button"
         tools:text="7 votes • 7 hours remaining" />
 
+    <com.google.android.material.chip.ChipGroup
+        android:id="@+id/status_emoji_reactions"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="4dp"
+        android:visibility="gone"
+        app:layout_constraintStart_toStartOf="@id/status_display_name"
+        app:layout_constraintTop_toBottomOf="@id/status_poll_description"
+        app:layout_constraintEnd_toEndOf="parent" />
+
     <ImageButton
         android:id="@+id/status_reply"
         style="@style/TuskyImageButton"
@@ -322,7 +332,7 @@
         app:layout_constraintEnd_toStartOf="@id/status_inset"
         app:layout_constraintHorizontal_chainStyle="spread_inside"
         app:layout_constraintStart_toStartOf="@id/status_display_name"
-        app:layout_constraintTop_toBottomOf="@id/status_poll_description"
+        app:layout_constraintTop_toBottomOf="@id/status_emoji_reactions"
         app:srcCompat="@drawable/ic_reply_24dp" />
 
     <TextView

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

@@ -265,6 +265,16 @@
         app:layout_constraintTop_toBottomOf="@id/status_poll_button"
         tools:text="7 votes • 7 hours remaining" />
 
+    <com.google.android.material.chip.ChipGroup
+        android:id="@+id/status_emoji_reactions"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="10dp"
+        android:visibility="gone"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/status_poll_description" />
+
     <TextView
         android:id="@+id/status_meta_info"
         android:layout_width="0dp"
@@ -279,7 +289,7 @@
         android:textSize="?attr/status_text_medium"
         app:layout_constraintLeft_toLeftOf="parent"
         app:layout_constraintRight_toRightOf="parent"
-        app:layout_constraintTop_toBottomOf="@id/status_poll_description"
+        app:layout_constraintTop_toBottomOf="@id/status_emoji_reactions"
         tools:text="21 Dec 2018 18:45" />
 
     <View