Merge "[QL-v2] Reset input state on scroll and restore state on scrolling back." into tm-qpr-dev am: 80872f32da

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/20683467

Change-Id: I7d29b2982b7a69aea1e2104915aecf6af9758671
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

src/com/android/launcher3/ExtendedEditText.java

@@ -159,4 +159,14 @@ public class ExtendedEditText extends EditText {
             listener.onFocusChange(this, focused);
         }
     }
+
+    /**
+     * Save the input, suggestion, hint states when it's on focus, and set to unfocused states.
+     */
+    public void saveFocusedStateAndUpdateToUnfocusedState() {}
+
+    /**
+     * Restore to the previous saved focused state.
+     */
+    public void restoreToFocusedState() {}
 }

src/com/android/launcher3/allapps/LauncherAllAppsContainerView.java

@@ -41,12 +41,23 @@ public class LauncherAllAppsContainerView extends ActivityAllAppsContainerView<L
                 public void onScrolled(@NonNull RecyclerView recyclerView, int dx, int dy) {
                     int scrolledOffset = recyclerView.computeVerticalScrollOffset();
                     ExtendedEditText input = mSearchUiManager.getEditText();
-                    // Scroll up and scroll to top
-                    if (dy < 0 && scrolledOffset == 0 && input != null) {
-                        boolean isImeEnabledOnSwipeUp = Launcher.getLauncher(mActivityContext)
-                                .getSearchConfig().isImeEnabledOnSwipeUp();
-                        if (isImeEnabledOnSwipeUp || !TextUtils.isEmpty(input.getText())) {
-                            input.showKeyboard();
+                    if (input != null) {
+                        // Save the input box state on scroll down
+                        if (dy > 0) {
+                            input.saveFocusedStateAndUpdateToUnfocusedState();
+                        }
+
+                        // Scroll up and scroll to top
+                        if (dy < 0 && scrolledOffset == 0) {
+                            // Show keyboard
+                            boolean isImeEnabledOnSwipeUp = Launcher.getLauncher(mActivityContext)
+                                    .getSearchConfig().isImeEnabledOnSwipeUp();
+                            if (isImeEnabledOnSwipeUp || !TextUtils.isEmpty(input.getText())) {
+                                input.showKeyboard();
+                            }
+
+                            // Restore state in input box
+                            input.restoreToFocusedState();
                         }
                     }
                 }