Added search in headers (debug version only)

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

@@ -454,6 +454,7 @@ public class AdapterFolder extends RecyclerView.Adapter<AdapterFolder.ViewHolder
             criteria.in_keywords = false;
             criteria.in_message = false;
             criteria.in_notes = false;
+            criteria.in_headers = false;
             criteria.with_flagged = true;
             FragmentMessages.search(
                     context, owner, parentFragment.getParentFragmentManager(),

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

@@ -270,6 +270,7 @@ public class BoundaryCallbackMessages extends PagedList.BoundaryCallback<TupleMe
                         criteria.in_keywords,
                         criteria.in_message,
                         criteria.in_notes,
+                        criteria.in_headers,
                         criteria.with_unseen,
                         criteria.with_flagged,
                         criteria.with_hidden,
@@ -675,6 +676,7 @@ public class BoundaryCallbackMessages extends PagedList.BoundaryCallback<TupleMe
         boolean in_keywords = true;
         boolean in_message = true;
         boolean in_notes = true;
+        boolean in_headers = false;
         boolean with_unseen;
         boolean with_flagged;
         boolean with_hidden;
@@ -868,6 +870,7 @@ public class BoundaryCallbackMessages extends PagedList.BoundaryCallback<TupleMe
                         this.in_keywords == other.in_keywords &&
                         this.in_message == other.in_message &&
                         this.in_notes == other.in_notes &&
+                        this.in_headers == other.in_headers &&
                         this.with_unseen == other.with_unseen &&
                         this.with_flagged == other.with_flagged &&
                         this.with_hidden == other.with_hidden &&
@@ -893,6 +896,7 @@ public class BoundaryCallbackMessages extends PagedList.BoundaryCallback<TupleMe
                     " keywords=" + in_keywords +
                     " message=" + in_message +
                     " notes=" + in_notes +
+                    " headers=" + in_headers +
                     " unseen=" + with_unseen +
                     " flagged=" + with_flagged +
                     " hidden=" + with_hidden +

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

@@ -328,6 +328,7 @@ public interface DaoMessage {
             " OR (:keywords AND `keywords` LIKE :find COLLATE NOCASE)" + // no index
             " OR (:message AND `preview` LIKE :find COLLATE NOCASE)" + // no index
             " OR (:notes AND `notes` LIKE :find COLLATE NOCASE)" + // no index
+            " OR (:headers AND `headers` LIKE :find COLLATE NOCASE)" + // no index
             " OR (attachment.name LIKE :find COLLATE NOCASE)" + // no index
             " OR (attachment.type LIKE :find COLLATE NOCASE)) AS matched" + // no index
             " FROM message" +
@@ -350,7 +351,7 @@ public interface DaoMessage {
             " LIMIT :limit OFFSET :offset")
     List<TupleMatch> matchMessages(
             Long account, Long folder, String find,
-            boolean senders, boolean recipients, boolean subject, boolean keywords, boolean message, boolean notes,
+            boolean senders, boolean recipients, boolean subject, boolean keywords, boolean message, boolean notes, boolean headers,
             boolean unseen, boolean flagged, boolean hidden, boolean encrypted, boolean with_attachments, boolean with_notes,
             int type_count, String[] types,
             Integer size,

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

@@ -99,6 +99,7 @@ public class FragmentDialogSearch extends FragmentDialogBase {
         final CheckBox cbKeywords = dview.findViewById(R.id.cbKeywords);
         final CheckBox cbMessage = dview.findViewById(R.id.cbMessage);
         final CheckBox cbNotes = dview.findViewById(R.id.cbNotes);
+        final CheckBox cbHeaders = dview.findViewById(R.id.cbHeaders);
         final CheckBox cbUnseen = dview.findViewById(R.id.cbUnseen);
         final CheckBox cbFlagged = dview.findViewById(R.id.cbFlagged);
         final CheckBox cbHidden = dview.findViewById(R.id.cbHidden);
@@ -198,9 +199,12 @@ public class FragmentDialogSearch extends FragmentDialogBase {
                 if (grpMore.getVisibility() == View.VISIBLE) {
                     ibMore.setImageLevel(1);
                     grpMore.setVisibility(View.GONE);
+                    cbHeaders.setVisibility(View.GONE);
                 } else {
                     ibMore.setImageLevel(0);
                     grpMore.setVisibility(View.VISIBLE);
+                    if (BuildConfig.DEBUG)
+                        cbHeaders.setVisibility(View.VISIBLE);
                 }
             }
         };
@@ -218,6 +222,7 @@ public class FragmentDialogSearch extends FragmentDialogBase {
                 cbKeywords.setEnabled(!isChecked);
                 cbMessage.setEnabled(!isChecked);
                 cbNotes.setEnabled(!isChecked);
+                cbHeaders.setEnabled(!isChecked);
                 cbUnseen.setEnabled(!isChecked);
                 cbFlagged.setEnabled(!isChecked);
                 cbHidden.setEnabled(!isChecked);
@@ -313,6 +318,7 @@ public class FragmentDialogSearch extends FragmentDialogBase {
         tvBefore.setText(null);
 
         grpMore.setVisibility(View.GONE);
+        cbHeaders.setVisibility(View.GONE);
 
         etQuery.requestFocus();
         if (imm != null)
@@ -355,6 +361,7 @@ public class FragmentDialogSearch extends FragmentDialogBase {
                             criteria.in_keywords = cbKeywords.isChecked();
                             criteria.in_message = cbMessage.isChecked();
                             criteria.in_notes = cbNotes.isChecked();
+                            criteria.in_headers = cbHeaders.isChecked();
                             criteria.with_unseen = cbUnseen.isChecked();
                             criteria.with_flagged = cbFlagged.isChecked();
                             criteria.with_hidden = cbHidden.isChecked();

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

@@ -333,6 +333,18 @@
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/tvSearchTextHint" />
 
+        <CheckBox
+            android:id="@+id/cbHeaders"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="24dp"
+            android:layout_marginTop="12dp"
+            android:text="@string/title_search_in_headers"
+            android:textAppearance="@style/TextAppearance.AppCompat.Medium"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@id/cbNotes" />
+
         <eu.faircode.email.FixedTextView
             android:id="@+id/tvAnd"
             android:layout_width="wrap_content"
@@ -342,7 +354,7 @@
             android:text="@string/title_search_with"
             android:textAppearance="@style/TextAppearance.AppCompat.Medium"
             app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toBottomOf="@id/cbNotes" />
+            app:layout_constraintTop_toBottomOf="@id/cbHeaders" />
 
         <CheckBox
             android:id="@+id/cbUnseen"

app/src/main/res/values/strings.xml

@@ -1175,6 +1175,7 @@
     <string name="title_search_in_keywords">In keywords (if supported)</string>
     <string name="title_search_in_message">In message text</string>
     <string name="title_search_in_notes">In local notes</string>
+    <string name="title_search_in_headers" translatable="false">In headers</string>
     <string name="title_search_with">Limit search to</string>
     <string name="title_search_with_unseen">Unread</string>
     <string name="title_search_with_flagged">Starred</string>