Added copy headers

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

@@ -430,6 +430,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
         private TextView tvKeywordsEx;
 
         private TextView tvHeaders;
+        private ImageButton ibCopyHeaders;
         private ImageButton ibCloseHeaders;
         private ContentLoadingProgressBar pbHeaders;
         private TextView tvNoInternetHeaders;
@@ -637,6 +638,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
             tvKeywordsEx = vsBody.findViewById(R.id.tvKeywordsEx);
 
             tvHeaders = vsBody.findViewById(R.id.tvHeaders);
+            ibCopyHeaders = vsBody.findViewById(R.id.ibCopyHeaders);
             ibCloseHeaders = vsBody.findViewById(R.id.ibCloseHeaders);
             pbHeaders = vsBody.findViewById(R.id.pbHeaders);
             tvNoInternetHeaders = vsBody.findViewById(R.id.tvNoInternetHeaders);
@@ -766,6 +768,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
                 ibPinContact.setOnClickListener(this);
                 ibAddContact.setOnClickListener(this);
 
+                ibCopyHeaders.setOnClickListener(this);
                 ibCloseHeaders.setOnClickListener(this);
 
                 ibSaveAttachments.setOnClickListener(this);
@@ -880,6 +883,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
                 ibPinContact.setOnClickListener(null);
                 ibAddContact.setOnClickListener(null);
 
+                ibCopyHeaders.setOnClickListener(null);
                 ibCloseHeaders.setOnClickListener(null);
 
                 ibSaveAttachments.setOnClickListener(null);
@@ -1335,6 +1339,8 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
             tvFlags.setVisibility(View.GONE);
             tvKeywordsEx.setVisibility(View.GONE);
 
+            ibCopyHeaders.setVisibility(View.GONE);
+
             pbHeaders.setVisibility(View.GONE);
             tvNoInternetHeaders.setVisibility(View.GONE);
 
@@ -1968,10 +1974,13 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
                 tvNoInternetHeaders.setVisibility(View.GONE);
             }
 
-            if (show_headers && message.headers != null)
+            if (show_headers && message.headers != null) {
                 tvHeaders.setText(HtmlHelper.highlightHeaders(context, message.headers));
-            else
+                ibCopyHeaders.setVisibility(View.VISIBLE);
+            } else {
                 tvHeaders.setText(null);
+                ibCopyHeaders.setVisibility(View.GONE);
+            }
 
             if (scroll)
                 ApplicationEx.getMainHandler().post(new Runnable() {
@@ -3051,6 +3060,8 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
                 int id = view.getId();
                 if (id == R.id.ibExpanderAddress) {
                     onToggleAddresses(message);
+                } else if (id == R.id.ibCopyHeaders) {
+                    onCopyHeaders(message);
                 } else if (id == R.id.ibCloseHeaders) {
                     onMenuShowHeaders(message);
                 } else if (id == R.id.ibSaveAttachments) {
@@ -4924,6 +4935,18 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
             ask.show(parentFragment.getParentFragmentManager(), "message:print");
         }
 
+        private void onCopyHeaders(TupleMessageEx message) {
+            ClipboardManager clipboard =
+                    (ClipboardManager) context.getSystemService(Context.CLIPBOARD_SERVICE);
+            if (clipboard == null)
+                return;
+
+            ClipData clip = ClipData.newPlainText(context.getString(R.string.title_show_headers), message.headers);
+            clipboard.setPrimaryClip(clip);
+
+            ToastEx.makeText(context, R.string.title_clipboard_copied, Toast.LENGTH_LONG).show();
+        }
+
         private void onMenuShowHeaders(TupleMessageEx message) {
             boolean show_headers = !properties.getValue("headers", message.id);
             properties.setValue("headers", message.id, show_headers);

app/src/main/res/layout/include_message_headers.xml

@@ -30,6 +30,16 @@
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toBottomOf="@id/vSeparatorHeaders" />
 
+    <ImageButton
+        android:id="@+id/ibCopyHeaders"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:background="?android:attr/selectableItemBackgroundBorderless"
+        android:padding="6dp"
+        app:layout_constraintEnd_toStartOf="@+id/ibCloseHeaders"
+        app:layout_constraintTop_toBottomOf="@+id/tvHeaders"
+        app:srcCompat="@drawable/twotone_file_copy_24" />
+
     <ImageButton
         android:id="@+id/ibCloseHeaders"
         android:layout_width="wrap_content"
@@ -67,4 +77,4 @@
         android:layout_width="0dp"
         android:layout_height="0dp"
         app:constraint_referenced_ids="vSeparatorHeaders,tvHeaders,ibCloseHeaders" />
-</androidx.constraintlayout.widget.ConstraintLayout>
+</androidx.constraintlayout.widget.ConstraintLayout>