From 0ca53b75d256479910fb5908e542a40f5731b7b7 Mon Sep 17 00:00:00 2001
From: Thomas <tschneider.ac@gmail.com>
Date: Thu, 2 Feb 2023 14:03:13 +0100
Subject: [PATCH] Fix crashes when replying

---
 .../mastodon/client/entities/api/Status.java  |  2 ++
 .../mastodon/ui/drawer/ComposeAdapter.java    | 22 ++++++++++++++-----
 .../mastodon/layout/drawer_status_compose.xml |  8 -------
 3 files changed, 18 insertions(+), 14 deletions(-)

diff --git a/app/src/main/java/app/fedilab/android/mastodon/client/entities/api/Status.java b/app/src/main/java/app/fedilab/android/mastodon/client/entities/api/Status.java
index dd16a00a..7dec8be3 100644
--- a/app/src/main/java/app/fedilab/android/mastodon/client/entities/api/Status.java
+++ b/app/src/main/java/app/fedilab/android/mastodon/client/entities/api/Status.java
@@ -29,6 +29,7 @@ import java.util.Date;
 import java.util.List;
 
 import app.fedilab.android.mastodon.helper.SpannableHelper;
+import de.timfreiheit.mathjax.android.MathJaxView;
 
 public class Status implements Serializable, Cloneable {
 
@@ -128,6 +129,7 @@ public class Status implements Serializable, Cloneable {
     public transient Spannable contentSpan;
     public transient Spannable contentSpoilerSpan;
     public transient Spannable contentTranslateSpan;
+    public transient MathJaxView mathJaxView;
 
     @Override
     public boolean equals(@Nullable Object obj) {
diff --git a/app/src/main/java/app/fedilab/android/mastodon/ui/drawer/ComposeAdapter.java b/app/src/main/java/app/fedilab/android/mastodon/ui/drawer/ComposeAdapter.java
index ca474590..dc1265a7 100644
--- a/app/src/main/java/app/fedilab/android/mastodon/ui/drawer/ComposeAdapter.java
+++ b/app/src/main/java/app/fedilab/android/mastodon/ui/drawer/ComposeAdapter.java
@@ -20,6 +20,7 @@ import static app.fedilab.android.BaseMainActivity.currentAccount;
 import static app.fedilab.android.BaseMainActivity.emojis;
 import static app.fedilab.android.BaseMainActivity.instanceInfo;
 import static app.fedilab.android.mastodon.activities.ComposeActivity.MY_PERMISSIONS_REQUEST_READ_EXTERNAL_STORAGE;
+import static de.timfreiheit.mathjax.android.MathJaxConfig.Input.TeX;
 
 import android.Manifest;
 import android.annotation.SuppressLint;
@@ -127,6 +128,8 @@ import app.fedilab.android.mastodon.helper.ThemeHelper;
 import app.fedilab.android.mastodon.imageeditor.EditImageActivity;
 import app.fedilab.android.mastodon.viewmodel.mastodon.AccountsVM;
 import app.fedilab.android.mastodon.viewmodel.mastodon.SearchVM;
+import de.timfreiheit.mathjax.android.MathJaxConfig;
+import de.timfreiheit.mathjax.android.MathJaxView;
 import es.dmoral.toasty.Toasty;
 
 
@@ -702,19 +705,26 @@ public class ComposeAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder
                 }
                 Matcher mathsPatterns = Helper.mathsComposePattern.matcher((s.toString()));
                 if (mathsPatterns.find()) {
-                    if (holder.binding.laTexViewContainer.getVisibility() != View.VISIBLE) {
-                        holder.binding.laTexViewContainer.setVisibility(View.VISIBLE);
-
+                    if (holder.binding.laTexViewContainer.getChildCount() == 0) {
+                        MathJaxConfig mathJaxConfig = new MathJaxConfig();
+                        mathJaxConfig.setAutomaticLinebreaks(true);
+                        mathJaxConfig.setInput(TeX);
                         switch (context.getResources().getConfiguration().uiMode & Configuration.UI_MODE_NIGHT_MASK) {
                             case Configuration.UI_MODE_NIGHT_YES:
-                                holder.binding.laTexView.setTextColor("white");
+                                mathJaxConfig.setTextColor("white");
                                 break;
                             case Configuration.UI_MODE_NIGHT_NO:
-                                holder.binding.laTexView.setTextColor("black");
+                                mathJaxConfig.setTextColor("black");
                                 break;
                         }
+                        statusList.get(holder.getBindingAdapterPosition()).mathJaxView = new MathJaxView(context, mathJaxConfig);
+                        holder.binding.laTexViewContainer.addView(statusList.get(holder.getBindingAdapterPosition()).mathJaxView);
+                        holder.binding.laTexViewContainer.setVisibility(View.VISIBLE);
                     }
-                    holder.binding.laTexView.setInputText(s.toString());
+                    if (statusList.get(holder.getBindingAdapterPosition()).mathJaxView != null) {
+                        statusList.get(holder.getBindingAdapterPosition()).mathJaxView.setInputText(s.toString());
+                    }
+
                 } else {
                     holder.binding.laTexViewContainer.setVisibility(View.GONE);
                 }
diff --git a/app/src/main/res/layouts/mastodon/layout/drawer_status_compose.xml b/app/src/main/res/layouts/mastodon/layout/drawer_status_compose.xml
index 6d01d01f..69f8cf80 100644
--- a/app/src/main/res/layouts/mastodon/layout/drawer_status_compose.xml
+++ b/app/src/main/res/layouts/mastodon/layout/drawer_status_compose.xml
@@ -41,14 +41,6 @@
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toTopOf="parent">
 
-            <de.timfreiheit.mathjax.android.MathJaxView
-                android:id="@+id/laTexView"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:layout_gravity="center"
-                app:automaticLinebreaks="true"
-                app:input="TeX"
-                app:output="SVG" />
         </androidx.core.widget.NestedScrollView>