Fixed paste crash

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

@@ -40,11 +40,16 @@ import androidx.core.view.inputmethod.InputContentInfoCompat;
 
 import org.jsoup.nodes.Document;
 
+import java.util.concurrent.ExecutorService;
+
 public class EditTextCompose extends FixedEditText {
     private boolean raw = false;
     private ISelection selectionListener = null;
     private IInputContentListener inputContentListener = null;
 
+    private static final ExecutorService executor =
+            Helper.getBackgroundExecutor(1, "paste");
+
     public EditTextCompose(Context context) {
         super(context);
     }
@@ -96,13 +101,17 @@ public class EditTextCompose extends FixedEditText {
                     }
                 }
             } else if (id == android.R.id.paste) {
-                Context context = getContext();
+                final Context context = getContext();
+
                 ClipboardManager cbm = (ClipboardManager) context.getSystemService(Context.CLIPBOARD_SERVICE);
-                if (cbm != null && cbm.hasPrimaryClip()) {
+                if (cbm == null || !cbm.hasPrimaryClip())
+                    return false;
+
                 ClipData.Item item = cbm.getPrimaryClip().getItemAt(0);
 
-                    String html = item.getHtmlText();
+                final String html;
-                    if (html == null) {
+                String h = item.getHtmlText();
+                if (h == null) {
                     CharSequence text = item.getText();
                     if (text == null)
                         return false;
@@ -110,25 +119,30 @@ public class EditTextCompose extends FixedEditText {
                         html = text.toString();
                     else
                         html = "<div>" + HtmlHelper.formatPre(text.toString(), false) + "</div>";
-                    }
+                } else
+                    html = h;
 
+                final int colorPrimary = Helper.resolveColor(context, R.attr.colorPrimary);
+                final int dp3 = Helper.dp2pixels(context, 3);
+                final int dp6 = Helper.dp2pixels(context, 6);
+
+                executor.submit(new Runnable() {
+                    @Override
+                    public void run() {
+                        try {
                             SpannableStringBuilder ssb;
                             if (raw)
                                 ssb = new SpannableStringBuilder(html);
                             else {
                                 Document document = HtmlHelper.sanitizeCompose(context, html, false);
-                        Spanned paste = HtmlHelper.fromDocument(getContext(), document, true, new Html.ImageGetter() {
+                                Spanned paste = HtmlHelper.fromDocument(context, document, true, new Html.ImageGetter() {
                                     @Override
                                     public Drawable getDrawable(String source) {
-                                return ImageHelper.decodeImage(getContext(),
+                                        return ImageHelper.decodeImage(context,
                                                 -1, source, true, 0, 1.0f, EditTextCompose.this);
                                     }
                                 }, null);
 
-                        int colorPrimary = Helper.resolveColor(context, R.attr.colorPrimary);
-                        int dp3 = Helper.dp2pixels(context, 3);
-                        int dp6 = Helper.dp2pixels(context, 6);
-
                                 ssb = new SpannableStringBuilder(paste);
                                 QuoteSpan[] spans = ssb.getSpans(0, ssb.length(), QuoteSpan.class);
                                 for (QuoteSpan span : spans) {
@@ -145,6 +159,10 @@ public class EditTextCompose extends FixedEditText {
                                 }
                             }
 
+                            ApplicationEx.getMainHandler().post(new Runnable() {
+                                @Override
+                                public void run() {
+                                    try {
                                         int start = getSelectionStart();
                                         int end = getSelectionEnd();
 
@@ -163,13 +181,8 @@ public class EditTextCompose extends FixedEditText {
                                             getText().insert(start, ssb);
                                         else
                                             getText().replace(start, end, ssb);
-
-                    return true;
-                }
-            }
-
-            return super.onTextContextMenuItem(id);
                                     } catch (Throwable ex) {
+                                        Log.e(ex);
                                         /*
                                             java.lang.RuntimeException: PARAGRAPH span must start at paragraph boundary
                                                     at android.text.SpannableStringBuilder.setSpan(SpannableStringBuilder.java:619)
@@ -180,6 +193,20 @@ public class EditTextCompose extends FixedEditText {
                                                     at android.widget.TextView.paste(TextView.java:8891)
                                                     at android.widget.TextView.onTextContextMenuItem(TextView.java:8706)
                                          */
+                                    }
+                                }
+                            });
+                        } catch (Throwable ex) {
+                            Log.e(ex);
+                        }
+                    }
+                });
+
+                return true;
+            }
+
+            return super.onTextContextMenuItem(id);
+        } catch (Throwable ex) {
             Log.e(ex);
             return false;
         }