Allow keywords for POP3

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

@@ -2367,7 +2367,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
                     boolean trash = (move || outbox || debug || pop);
                     boolean inbox = (move && hasInbox && (inArchive || inTrash || inJunk) && imap) ||
                             (pop && message.accountLeaveDeleted && inTrash);
-                    boolean keywords = (message.uid != null && imap);
+                    boolean keywords = (message.uid != null || pop);
                     boolean labels = (data.isGmail && move && !inTrash && !inJunk && !outbox);
                     boolean seen = (message.uid != null || pop);
 
@@ -6459,8 +6459,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
             popupMenu.getMenu().findItem(R.id.menu_create_rule).setVisible(!message.folderReadOnly);
 
             popupMenu.getMenu().findItem(R.id.menu_manage_keywords)
-                    .setEnabled(message.uid != null)
+                    .setEnabled(message.uid != null || message.accountProtocol == EntityAccount.TYPE_POP);
-                    .setVisible(message.accountProtocol == EntityAccount.TYPE_IMAP);
 
             popupMenu.getMenu().findItem(R.id.menu_search_in_text).setEnabled(message.content && !full);
             popupMenu.getMenu().findItem(R.id.menu_translate).setVisible(
@@ -7550,6 +7549,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
         private void onMenuManageKeywords(TupleMessageEx message) {
             Bundle args = new Bundle();
             args.putLongArray("ids", new long[]{message.id});
+            args.putBoolean("pop", message.accountProtocol == EntityAccount.TYPE_POP);
 
             FragmentDialogKeywordManage fragment = new FragmentDialogKeywordManage();
             fragment.setArguments(args);

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

@@ -26,6 +26,7 @@ import android.os.Bundle;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.WindowManager;
+import android.widget.TextView;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
@@ -43,6 +44,7 @@ import java.util.List;
 
 public class FragmentDialogKeywordManage extends FragmentDialogBase {
     private View dview;
+    private TextView tvPop;
     private RecyclerView rvKeyword;
     private FloatingActionButton fabAdd;
     private ContentLoadingProgressBar pbWait;
@@ -52,13 +54,18 @@ public class FragmentDialogKeywordManage extends FragmentDialogBase {
     @Override
     public Dialog onCreateDialog(@Nullable Bundle savedInstanceState) {
         final Bundle args = getArguments();
+        long[] ids = args.getLongArray("ids");
+        boolean pop = args.getBoolean("pop");
 
         final Context context = getContext();
         dview = LayoutInflater.from(context).inflate(R.layout.dialog_keyword_manage, null);
+        tvPop = dview.findViewById(R.id.tvPop);
         rvKeyword = dview.findViewById(R.id.rvKeyword);
         fabAdd = dview.findViewById(R.id.fabAdd);
         pbWait = dview.findViewById(R.id.pbWait);
 
+        tvPop.setVisibility(pop ? View.VISIBLE : View.GONE);
+
         rvKeyword.setHasFixedSize(false);
         final LinearLayoutManager llm = new LinearLayoutManager(context);
         rvKeyword.setLayoutManager(llm);
@@ -78,7 +85,6 @@ public class FragmentDialogKeywordManage extends FragmentDialogBase {
 
         pbWait.setVisibility(View.VISIBLE);
 
-        long[] ids = args.getLongArray("ids");
         if (ids.length == 1) {
             DB db = DB.getInstance(context);
             db.message().liveMessageKeywords(ids[0]).observe(getViewLifecycleOwner(), new Observer<TupleKeyword.Persisted>() {

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

@@ -1851,8 +1851,9 @@ public class FragmentMessages extends FragmentBase
         ibKeywords.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
+                MoreResult result = (MoreResult) cardMore.getTag();
                 boolean more_clear = prefs.getBoolean("more_clear", true);
-                onActionManageKeywords(more_clear);
+                onActionManageKeywords(more_clear, (result != null && result.hasPop));
             }
         });
 
@@ -4696,7 +4697,6 @@ public class FragmentMessages extends FragmentBase
                     popupMenu.getMenu().add(Menu.FIRST, R.string.title_copy_to, order++, R.string.title_copy_to)
                             .setIcon(R.drawable.twotone_file_copy_24);
 
-                if (!result.hasPop && result.hasImap)
                 popupMenu.getMenu().add(Menu.FIRST, R.string.title_manage_keywords, order++, R.string.title_manage_keywords)
                         .setIcon(R.drawable.twotone_label_important_24);
 
@@ -4773,7 +4773,7 @@ public class FragmentMessages extends FragmentBase
                             onActionMoveSelectionAccount(result.copyto.id, true, result.folders);
                             return true;
                         } else if (itemId == R.string.title_manage_keywords) {
-                            onActionManageKeywords(false);
+                            onActionManageKeywords(false, result.hasPop);
                             return true;
                         } else if (itemId == R.string.title_search_sender) {
                             long[] ids = getSelection();
@@ -5296,9 +5296,10 @@ public class FragmentMessages extends FragmentBase
         fragment.show(getParentFragmentManager(), "messages:move");
     }
 
-    private void onActionManageKeywords(boolean clear) {
+    private void onActionManageKeywords(boolean clear, boolean pop) {
         Bundle args = new Bundle();
         args.putLongArray("ids", getSelection());
+        args.putBoolean("pop", pop);
 
         FragmentDialogKeywordManage fragment = new FragmentDialogKeywordManage();
         fragment.setArguments(args);
@@ -7454,7 +7455,7 @@ public class FragmentMessages extends FragmentBase
                         if (inbox)
                             count++;
 
-                        boolean keywords = (more_keywords && count < FragmentDialogQuickActions.MAX_QUICK_ACTIONS && !result.hasPop && result.hasImap);
+                        boolean keywords = (more_keywords && count < FragmentDialogQuickActions.MAX_QUICK_ACTIONS);
                         if (keywords)
                             count++;
 

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

@@ -5,6 +5,19 @@
     android:layout_height="wrap_content"
     android:padding="12dp">
 
+    <TextView
+        android:id="@+id/tvPop"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="6dp"
+        android:text="@string/title_manage_keywords_pop"
+        android:textAppearance="@style/TextAppearance.AppCompat.Small"
+        android:textStyle="italic"
+        app:layout_constraintBottom_toTopOf="@+id/rvKeyword"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
     <eu.faircode.email.FixedRecyclerView
         android:id="@+id/rvKeyword"
         android:layout_width="0dp"
@@ -19,7 +32,7 @@
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
+        app:layout_constraintTop_toBottomOf="@+id/tvPop" />
 
     <com.google.android.material.floatingactionbutton.FloatingActionButton
         android:id="@+id/fabAdd"

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

@@ -1584,6 +1584,7 @@
     <string name="title_raw_send_message">Message</string>
     <string name="title_raw_send_thread">Conversation</string>
     <string name="title_manage_keywords">Manage keywords</string>
+    <string name="title_manage_keywords_pop">With POP3, keywords cannot be stored on the email server!</string>
     <string name="title_manage_labels">Manage Gmail labels</string>
     <string name="title_add_keyword">Add keyword</string>
     <string name="title_show_inline">Show inline attachments</string>