Add pseudo-filtering on authenticated views.

When the autofill UI is shown for an authenticated FillResponse or Dataset and
the user types something, it should be filtered as if the matched failed.

Test: cts-tradefed run commandAndExit cts-dev -m CtsAutoFillServiceTestCases

Fixes: 65415443

Change-Id: I6a6b5af369e4e5a9cea49ae124dc517dbe5c70be

1 files changed, 15 insertions, 5 deletions

diff --git a/services/autofill/java/com/android/server/autofill/ui/FillUi.java b/services/autofill/java/com/android/server/autofill/ui/FillUi.java
index 24f3b339b761..371e74d6f04e 100644
--- a/services/autofill/java/com/android/server/autofill/ui/FillUi.java
+++ b/services/autofill/java/com/android/server/autofill/ui/FillUi.java
@@ -229,6 +229,13 @@ final class FillUi {
     public void setFilterText(@Nullable String filterText) {
         throwIfDestroyed();
         if (mAdapter == null) {
+            // ViewState doesn't not support filtering - typically when it's for an authenticated
+            // FillResponse.
+            if (TextUtils.isEmpty(filterText)) {
+                mCallback.requestShowFillUi(mContentWidth, mContentHeight, mWindowPresenter);
+            } else {
+                mCallback.requestHideFillUi();
+            }
             return;
         }
 
@@ -510,8 +517,9 @@ final class FillUi {
                         final ViewItem item = mAllItems.get(i);
                         final String value = item.getValue();
                         // No value, i.e. null, matches any filter
-                        if (value == null
-                                || value.toLowerCase().startsWith(constraintLowerCase)) {
+                        if ((value == null && item.mDataset.getAuthentication() == null)
+                                || (value != null
+                                        && value.toLowerCase().startsWith(constraintLowerCase))) {
                             filteredItems.add(item);
                         }
                     }
@@ -525,9 +533,11 @@ final class FillUi {
                     final boolean resultCountChanged;
                     final int oldItemCount = mFilteredItems.size();
                     mFilteredItems.clear();
-                    @SuppressWarnings("unchecked")
-                    final List<ViewItem> items = (List<ViewItem>) results.values;
-                    mFilteredItems.addAll(items);
+                    if (results.count > 0) {
+                        @SuppressWarnings("unchecked")
+                        final List<ViewItem> items = (List<ViewItem>) results.values;
+                        mFilteredItems.addAll(items);
+                    }
                     resultCountChanged = (oldItemCount != mFilteredItems.size());
                     if (resultCountChanged) {
                         announceSearchResultIfNeeded();