From 134e10c6914f31b607203d716dbbac4ee3533e76 Mon Sep 17 00:00:00 2001
From: M66B <M66B@users.noreply.github.com>
Date: Sun, 4 Apr 2021 13:28:55 +0200
Subject: [PATCH] Use open link dialog for EML viewer

---
 .../java/eu/faircode/email/ActivityEML.java   | 53 ++++++++++++++++++-
 1 file changed, 51 insertions(+), 2 deletions(-)

diff --git a/app/src/main/java/eu/faircode/email/ActivityEML.java b/app/src/main/java/eu/faircode/email/ActivityEML.java
index 3fa5f95104..e6e5d83113 100644
--- a/app/src/main/java/eu/faircode/email/ActivityEML.java
+++ b/app/src/main/java/eu/faircode/email/ActivityEML.java
@@ -28,12 +28,16 @@ import android.content.SharedPreferences;
 import android.graphics.Typeface;
 import android.net.Uri;
 import android.os.Bundle;
+import android.text.Layout;
+import android.text.Spannable;
 import android.text.Spanned;
 import android.text.TextUtils;
-import android.text.method.LinkMovementMethod;
+import android.text.method.ArrowKeyMovementMethod;
+import android.text.style.URLSpan;
 import android.view.Menu;
 import android.view.MenuInflater;
 import android.view.MenuItem;
+import android.view.MotionEvent;
 import android.view.View;
 import android.widget.ArrayAdapter;
 import android.widget.TextView;
@@ -115,7 +119,52 @@ public class ActivityEML extends ActivityBase {
         rvAttachment.setLayoutManager(llm);
 
         tvBody.setTypeface(monospaced ? Typeface.MONOSPACE : Typeface.DEFAULT);
-        tvBody.setMovementMethod(LinkMovementMethod.getInstance());
+        tvBody.setMovementMethod(new ArrowKeyMovementMethod() {
+            @Override
+            public boolean onTouchEvent(TextView widget, Spannable buffer, MotionEvent event) {
+                if (event.getAction() == MotionEvent.ACTION_UP) {
+                    int x = (int) event.getX();
+                    int y = (int) event.getY();
+
+                    x -= widget.getTotalPaddingLeft();
+                    y -= widget.getTotalPaddingTop();
+
+                    x += widget.getScrollX();
+                    y += widget.getScrollY();
+
+                    Layout layout = widget.getLayout();
+                    int line = layout.getLineForVertical(y);
+                    int off = layout.getOffsetForHorizontal(line, x);
+
+                    URLSpan[] link = buffer.getSpans(off, off, URLSpan.class);
+                    if (link.length > 0) {
+                        String url = link[0].getURL();
+                        Uri uri = Uri.parse(url);
+                        if (uri.getScheme() == null)
+                            uri = Uri.parse("https://" + url);
+
+                        int start = buffer.getSpanStart(link[0]);
+                        int end = buffer.getSpanEnd(link[0]);
+                        String title = (start < 0 || end < 0 || end <= start
+                                ? null : buffer.subSequence(start, end).toString());
+                        if (url.equals(title))
+                            title = null;
+
+                        Bundle args = new Bundle();
+                        args.putParcelable("uri", uri);
+                        args.putString("title", title);
+
+                        FragmentDialogOpenLink fragment = new FragmentDialogOpenLink();
+                        fragment.setArguments(args);
+                        fragment.show(getSupportFragmentManager(), "open:link");
+
+                        return true;
+                    }
+                }
+
+                return super.onTouchEvent(widget, buffer, event);
+            }
+        });
 
         vSeparatorAttachments.setVisibility(View.GONE);
         grpReady.setVisibility(View.GONE);