EmojiReactionsAdapter: implement custom emoji reactions on messages

Signed-off-by: Hélène <pleroma-dev@helene.moe>
Signed-off-by: Adolfo Santiago <epoch@nixnetmail.com>

husky/app/src/main/java/com/keylesspalace/tusky/adapter/EmojiReactionsAdapter.java

@@ -4,11 +4,14 @@ import android.content.ClipData;
 import android.content.ClipboardManager;
 import android.content.Context;
 import android.graphics.drawable.Drawable;
+import android.text.SpannableStringBuilder;
+import android.text.Spanned;
 import android.text.method.LinkMovementMethod;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.TextView;
+import android.widget.TextView.BufferType;
 import android.widget.Toast;
 import android.util.Log;
 
@@ -21,6 +24,7 @@ import com.keylesspalace.tusky.entity.Status;
 import com.keylesspalace.tusky.entity.EmojiReaction;
 import com.keylesspalace.tusky.interfaces.StatusActionListener;
 import com.keylesspalace.tusky.util.CardViewMode;
+import com.keylesspalace.tusky.util.CustomEmojiHelper;
 import com.keylesspalace.tusky.util.LinkHelper;
 import com.keylesspalace.tusky.util.StatusDisplayOptions;
 import com.keylesspalace.tusky.viewdata.StatusViewData;
@@ -51,12 +55,20 @@ public class EmojiReactionsAdapter extends RecyclerView.Adapter<SingleViewHolder
     @Override
     public void onBindViewHolder(SingleViewHolder holder, int position) {
         EmojiReaction reaction = reactions.get(position);
-        String str = reaction.getName() + " " + reaction.getCount();
+        SpannableStringBuilder builder = new SpannableStringBuilder(
+                reaction.getName() + " " + reaction.getCount());
 
-        // no custom emoji yet!
         EmojiAppCompatButton btn = (EmojiAppCompatButton)holder.itemView;
 
-        btn.setText(str);
+        var url = reaction.getUrl();
+        if (url != null) {
+            var span = CustomEmojiHelper.createEmojiSpan(url, btn, true);
+
+            builder.setSpan(span, 0, reaction.getName().length(),
+                    Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
+        }
+
+        btn.setText(builder, BufferType.SPANNABLE);
         btn.setActivated(reaction.getMe());
         btn.setOnClickListener(v -> {
             listener.onEmojiReactMenu(v, reaction, statusId);

husky/app/src/main/java/com/keylesspalace/tusky/util/CustomEmojiHelper.kt

@@ -70,25 +70,8 @@ fun CharSequence.emojify(
             .matcher(this)
 
         while(matcher.find()) {
-            val span = if(smallEmojis) {
+            val span = createEmojiSpan(url, view, smallEmojis, animate)
-                SmallEmojiSpan(WeakReference<View>(view))
-            } else {
-                EmojiSpan(WeakReference<View>(view))
-            }
-
             builder.setSpan(span, matcher.start(), matcher.end(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE)
-
-            var glideRequest = Glide.with(view).load(url)
-                .set(AnimationDecoderOption.DISABLE_ANIMATION_GIF_DECODER, !animate)
-                .set(AnimationDecoderOption.DISABLE_ANIMATION_WEBP_DECODER, !animate)
-                .set(AnimationDecoderOption.DISABLE_ANIMATION_APNG_DECODER, !animate)
-            val mimetype = getMimeType(url)
-            if(mimetype == MIME.SVG) {
-                glideRequest = glideRequest
-                    .diskCacheStrategy(DiskCacheStrategy.AUTOMATIC)
-                    .override(512, 512)
-            }
-            glideRequest.into(span.getTarget(animate))
         }
     }
 
@@ -99,6 +82,45 @@ fun CharSequence.emojify(emojis: List<Emoji>?, view: View): CharSequence {
     return this.emojify(emojis, view, false)
 }
 
+fun createEmojiSpan(
+    emoji_url: String,
+    view: View,
+    forceSmallEmoji: Boolean = false
+): EmojiSpan {
+    val pm = PreferenceManager.getDefaultSharedPreferences(view.context)
+    val smallEmojis = forceSmallEmoji || !pm.getBoolean(PrefKeys.BIG_EMOJIS, true)
+    val animate = pm.getBoolean(PrefKeys.ANIMATE_CUSTOM_EMOJIS, false)
+
+    return createEmojiSpan(emoji_url, view, smallEmojis, animate);
+}
+
+private fun createEmojiSpan(
+    emoji_url: String,
+    view: View,
+    smallEmojis: Boolean = false,
+    animate: Boolean = false
+): EmojiSpan {
+    val span = if(smallEmojis) {
+        SmallEmojiSpan(WeakReference<View>(view))
+    } else {
+        EmojiSpan(WeakReference<View>(view))
+    }
+
+    var glideRequest = Glide.with(view).load(emoji_url)
+        .set(AnimationDecoderOption.DISABLE_ANIMATION_GIF_DECODER, !animate)
+        .set(AnimationDecoderOption.DISABLE_ANIMATION_WEBP_DECODER, !animate)
+        .set(AnimationDecoderOption.DISABLE_ANIMATION_APNG_DECODER, !animate)
+    val mimetype = getMimeType(emoji_url)
+    if(mimetype == MIME.SVG) {
+        glideRequest = glideRequest
+            .diskCacheStrategy(DiskCacheStrategy.AUTOMATIC)
+            .override(512, 512)
+    }
+    glideRequest.into(span.getTarget(animate))
+
+    return span;
+}
+
 open class EmojiSpan(val viewWeakReference: WeakReference<View>) : ReplacementSpan() {
     var imageDrawable: Drawable? = null