Allow direct moving from archive to inbox

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

@@ -400,6 +400,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
         private ImageButton ibArchive;
         private ImageButton ibTrash;
         private ImageButton ibJunk;
+        private ImageButton ibInbox;
         private ImageButton ibMore;
         private TextView tvSignedData;
 
@@ -595,6 +596,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
             ibArchive = vsBody.findViewById(R.id.ibArchive);
             ibTrash = vsBody.findViewById(R.id.ibTrash);
             ibJunk = vsBody.findViewById(R.id.ibJunk);
+            ibInbox = vsBody.findViewById(R.id.ibInbox);
             ibMore = vsBody.findViewById(R.id.ibMore);
             tvSignedData = vsBody.findViewById(R.id.tvSignedData);
 
@@ -682,6 +684,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
                 ibArchive.setOnClickListener(this);
                 ibTrash.setOnClickListener(this);
                 ibJunk.setOnClickListener(this);
+                ibInbox.setOnClickListener(this);
                 ibMore.setOnClickListener(this);
 
                 ibDownloading.setOnClickListener(this);
@@ -757,6 +760,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
                 ibArchive.setOnClickListener(null);
                 ibTrash.setOnClickListener(null);
                 ibJunk.setOnClickListener(null);
+                ibInbox.setOnClickListener(null);
                 ibMore.setOnClickListener(null);
 
                 ibDownloading.setOnClickListener(null);
@@ -1198,6 +1202,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
             ibArchive.setVisibility(View.GONE);
             ibTrash.setVisibility(View.GONE);
             ibJunk.setVisibility(View.GONE);
+            ibInbox.setVisibility(View.GONE);
             ibMore.setVisibility(View.GONE);
             tvSignedData.setVisibility(View.GONE);
 
@@ -1483,6 +1488,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
             ibArchive.setVisibility(View.GONE);
             ibTrash.setVisibility(View.GONE);
             ibJunk.setVisibility(View.GONE);
+            ibInbox.setVisibility(View.GONE);
             ibMore.setVisibility(EntityFolder.OUTBOX.equals(message.folderType) ? View.GONE : View.VISIBLE);
             tvSignedData.setVisibility(View.GONE);
 
@@ -1581,7 +1587,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
                     boolean trash = (move || outbox || debug ||
                             message.accountProtocol == EntityAccount.TYPE_POP);
                     boolean junk = (move && (hasJunk && !inJunk));
-                    boolean unjunk = (move && inJunk);
+                    boolean inbox = (move && (inArchive || inJunk));
 
                     final boolean delete = (inTrash || !hasTrash || inJunk || outbox ||
                             message.uid == null || message.accountProtocol == EntityAccount.TYPE_POP);
@@ -1593,18 +1599,14 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
                     boolean expand_one = prefs.getBoolean("expand_one", true);
 
                     ibTrash.setTag(delete);
-                    ibJunk.setImageResource(unjunk ? R.drawable.baseline_inbox_24 : R.drawable.baseline_flag_24);
-                    String title = context.getString(unjunk ? R.string.title_no_junk : R.string.title_spam);
-                    ibJunk.setContentDescription(title);
-                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O)
-                        ibJunk.setTooltipText(title);
 
                     ibUnsubscribe.setVisibility(message.unsubscribe == null ? View.GONE : View.VISIBLE);
                     ibAnswer.setVisibility(outbox || (!expand_all && expand_one) ? View.GONE : View.VISIBLE);
                     ibMove.setVisibility(move && button_move ? View.VISIBLE : View.GONE);
                     ibArchive.setVisibility(archive && button_archive_trash ? View.VISIBLE : View.GONE);
                     ibTrash.setVisibility(trash && button_archive_trash ? View.VISIBLE : View.GONE);
-                    ibJunk.setVisibility(junk || unjunk ? View.VISIBLE : View.GONE);
+                    ibJunk.setVisibility(junk ? View.VISIBLE : View.GONE);
+                    ibInbox.setVisibility(inbox ? View.VISIBLE : View.GONE);
 
                     ibTrashBottom.setVisibility(trash && button_archive_trash ? View.VISIBLE : View.GONE);
                     ibArchiveBottom.setVisibility(archive && button_archive_trash ? View.VISIBLE : View.GONE);
@@ -2662,10 +2664,10 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
                         onActionTrash(message, (Boolean) ibTrash.getTag());
                         break;
                     case R.id.ibJunk:
-                        if (EntityFolder.JUNK.equals(message.folderType))
+                        onActionJunk(message);
-                            onActionUnjunk(message);
+                        break;
-                        else
+                    case R.id.ibInbox:
-                            onActionJunk(message);
+                        onActionInbox(message);
                         break;
                     case R.id.ibMore:
                         onActionMore(message);
@@ -3537,7 +3539,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
             ask.show(parentFragment.getParentFragmentManager(), "message:junk");
         }
 
-        private void onActionUnjunk(TupleMessageEx message) {
+        private void onActionInbox(TupleMessageEx message) {
             properties.move(message.id, EntityFolder.INBOX);
         }
 

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

@@ -27,7 +27,7 @@
         android:layout_width="0dp"
         android:layout_height="wrap_content"
         android:layout_marginEnd="3dp"
-        app:constraint_referenced_ids="ibMore,ibJunk,ibTrash,ibArchive,ibMove,ibAnswer,ibUnsubscribe,ibUndo"
+        app:constraint_referenced_ids="ibMore,ibInbox,ibJunk,ibTrash,ibArchive,ibMove,ibAnswer,ibUnsubscribe,ibUndo"
         app:flow_horizontalBias="0"
         app:flow_horizontalGap="3dp"
         app:flow_horizontalStyle="packed"
@@ -60,6 +60,18 @@
         app:srcCompat="@drawable/baseline_flag_24"
         tools:ignore="MissingConstraints" />
 
+    <ImageButton
+        android:id="@+id/ibInbox"
+        android:layout_width="36dp"
+        android:layout_height="36dp"
+        android:background="?android:attr/selectableItemBackgroundBorderless"
+        android:contentDescription="@string/title_folder_inbox"
+        android:padding="6dp"
+        android:scaleType="fitCenter"
+        android:tooltipText="@string/title_folder_inbox"
+        app:srcCompat="@drawable/baseline_inbox_24"
+        tools:ignore="MissingConstraints" />
+
     <ImageButton
         android:id="@+id/ibTrash"
         android:layout_width="36dp"