Added debug option to Markdown

app/src/main/java/eu/faircode/email/AI.java

@@ -126,7 +126,7 @@ public class AI {
         } else
             throw new IllegalArgumentException("No AI available");
 
-        String html = Markdown.toHtml(sb.toString());
+        String html = Markdown.toHtml(sb.toString(), context);
         Document d = HtmlHelper.sanitizeCompose(context, html, false);
         return HtmlHelper.fromDocument(context, d, null, null);
     }
@@ -239,7 +239,7 @@ public class AI {
         } else
             throw new IllegalArgumentException("No AI available");
 
-        String html = Markdown.toHtml(sb.toString());
+        String html = Markdown.toHtml(sb.toString(), context);
         Document doc = HtmlHelper.sanitizeCompose(context, html, false);
         return HtmlHelper.fromDocument(context, doc, null, null);
     }

app/src/main/java/eu/faircode/email/FragmentCompose.java

@@ -7287,13 +7287,13 @@ public class FragmentCompose extends FragmentBase {
             if (markdown) {
                 String html = (convertMarkdown
                         ? HtmlHelper.toHtml(spanned, context)
-                        : Markdown.toHtml(spanned.toString()));
+                        : Markdown.toHtml(spanned.toString(), context));
                 Document doc = JsoupEx.parse(html);
                 doc.body().attr("markdown", Boolean.toString(markdown));
                 body = doc.html();
             } else
                 body = (convertMarkdown
-                        ? Markdown.toHtml(spanned.toString())
+                        ? Markdown.toHtml(spanned.toString(), context)
                         : HtmlHelper.toHtml(spanned, context));
             if (convertMarkdown)
                 dirty = true;
@@ -8279,7 +8279,7 @@ public class FragmentCompose extends FragmentBase {
 
                 Spanned spannedBody;
                 if (markdown) {
-                    String md = Markdown.fromHtml(doc.body().html());
+                    String md = Markdown.fromHtml(doc.body().html(), context);
                     spannedBody = new SpannableStringBuilder(md);
                 } else {
                     HtmlHelper.clearAnnotations(doc); // Legacy left-overs

app/src/main/java/eu/faircode/email/Markdown.java

@@ -19,6 +19,11 @@ package eu.faircode.email;
     Copyright 2018-2026 by Marcel Bokhorst (M66B)
 */
 
+import android.content.Context;
+import android.content.SharedPreferences;
+
+import androidx.preference.PreferenceManager;
+
 import com.vladsch.flexmark.html2md.converter.FlexmarkHtmlConverter;
 import com.vladsch.flexmark.util.data.DataHolder;
 import com.vladsch.flexmark.util.data.MutableDataSet;
@@ -41,7 +46,7 @@ import java.util.List;
 import java.util.Map;
 
 public class Markdown {
-    static String toHtml(String markdown) {
+    static String toHtml(String markdown, Context context) {
         // https://github.com/commonmark/commonmark-java#usage
         // https://github.com/commonmark/commonmark-java/issues/294
         markdown = markdown.replace('\u00a0', ' ');
@@ -59,14 +64,18 @@ public class Markdown {
                 .extensions(extensions)
                 .build();
         String html = r.render(d);
-        if (BuildConfig.DEBUG) {
+
+        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
+        boolean debug = prefs.getBoolean("debug", false);
+        if (BuildConfig.DEBUG || debug) {
             Log.i("Markdown md=" + markdown.replace('\n', '|'));
             Log.i("Markdown html=" + html.replace('\n', '|'));
         }
+
         return html;
     }
 
-    static String fromHtml(String html) {
+    static String fromHtml(String html, Context context) {
         // https://github.com/vsch/flexmark-java/wiki/Extensions#html-to-markdown
         Map<String, String> specialCharsMap = new HashMap<>();
         //specialCharsMap.put("“", "\"");
@@ -123,7 +132,9 @@ public class Markdown {
                 .build()
                 .convert(doc.html());
 
-        if (BuildConfig.DEBUG) {
+        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
+        boolean debug = prefs.getBoolean("debug", false);
+        if (BuildConfig.DEBUG || debug) {
             Log.i("Markdown html=" + html.replace('\n', '|'));
             Log.i("Markdown md=" + markdown.replace('\n', '|'));
         }

app/src/main/java/eu/faircode/email/MessageHelper.java

@@ -4279,7 +4279,7 @@ public class MessageHelper {
                                 StandardCharsets.US_ASCII.equals(cs) ||
                                 StandardCharsets.ISO_8859_1.equals(cs))
                             result = new String(result.getBytes(StandardCharsets.ISO_8859_1), StandardCharsets.UTF_8);
-                        result = (first ? "" : "<br><hr>") + Markdown.toHtml(result);
+                        result = (first ? "" : "<br><hr>") + Markdown.toHtml(result, context);
                     } catch (Throwable ex) {
                         Log.e(ex);
                         result = HtmlHelper.formatPlainText(result);