From 68706ebe5abec756caaa6a7cb225beeaa26f9b13 Mon Sep 17 00:00:00 2001
From: Schneider Victor-tulias <victortulias@google.com>
Date: Thu, 29 Apr 2021 15:24:54 -0700
Subject: [PATCH] Focus on newly-added workspace items for accessibility.

Fixes: 177972980
Test: manual
Change-Id: Ic31a940aba7bd08eb9d4236d9c963006a18c9f4d
---
 src/com/android/launcher3/Launcher.java       | 34 ++++++++++++++++++-
 .../LauncherAccessibilityDelegate.java        |  5 ++-
 2 files changed, 37 insertions(+), 2 deletions(-)

diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 5896f5a4de..75eaeb2c0e 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -2159,12 +2159,29 @@ public class Launcher extends StatefulActivity<LauncherState> implements Launche
      */
     @Override
     public void bindItems(final List<ItemInfo> items, final boolean forceAnimateIcons) {
+        bindItems(items, forceAnimateIcons, /* focusFirstItemForAccessibility= */ false);
+    }
+
+
+    /**
+     * Bind the items start-end from the list.
+     *
+     * Implementation of the method from LauncherModel.Callbacks.
+     *
+     * @param focusFirstItemForAccessibility true iff the first item to be added to the workspace
+     *                                       should be focused for accessibility.
+     */
+    public void bindItems(
+            final List<ItemInfo> items,
+            final boolean forceAnimateIcons,
+            final boolean focusFirstItemForAccessibility) {
         // Get the list of added items and intersect them with the set of items here
         final Collection<Animator> bounceAnims = new ArrayList<>();
         final boolean animateIcons = forceAnimateIcons && canRunNewAppsAnimation();
         Workspace workspace = mWorkspace;
         int newItemsScreenId = -1;
         int end = items.size();
+        View newView = null;
         for (int i = 0; i < end; i++) {
             final ItemInfo item = items.get(i);
 
@@ -2229,12 +2246,25 @@ public class Launcher extends StatefulActivity<LauncherState> implements Launche
                 bounceAnims.add(createNewAppBounceAnimation(view, i));
                 newItemsScreenId = item.screenId;
             }
+
+            if (newView == null) {
+                newView = view;
+            }
         }
 
-        // Animate to the correct page
+        View viewToFocus = newView;
+        // Animate to the correct pager
         if (animateIcons && newItemsScreenId > -1) {
             AnimatorSet anim = new AnimatorSet();
             anim.playTogether(bounceAnims);
+            if (focusFirstItemForAccessibility && viewToFocus != null) {
+                anim.addListener(new AnimatorListenerAdapter() {
+                    @Override
+                    public void onAnimationEnd(Animator animation) {
+                        viewToFocus.sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_FOCUSED);
+                    }
+                });
+            }
 
             int currentScreenId = mWorkspace.getScreenIdForPageIndex(mWorkspace.getNextPage());
             final int newScreenIndex = mWorkspace.getPageIndexForScreenId(newItemsScreenId);
@@ -2257,6 +2287,8 @@ public class Launcher extends StatefulActivity<LauncherState> implements Launche
             } else {
                 mWorkspace.postDelayed(startBounceAnimRunnable, NEW_APPS_ANIMATION_DELAY);
             }
+        } else if (focusFirstItemForAccessibility && viewToFocus != null) {
+            viewToFocus.sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_FOCUSED);
         }
         workspace.requestLayout();
     }
diff --git a/src/com/android/launcher3/accessibility/LauncherAccessibilityDelegate.java b/src/com/android/launcher3/accessibility/LauncherAccessibilityDelegate.java
index dbdfb2b663..c580d47994 100644
--- a/src/com/android/launcher3/accessibility/LauncherAccessibilityDelegate.java
+++ b/src/com/android/launcher3/accessibility/LauncherAccessibilityDelegate.java
@@ -230,7 +230,10 @@ public class LauncherAccessibilityDelegate extends AccessibilityDelegate impleme
                                 Favorites.CONTAINER_DESKTOP,
                                 screenId, coordinates[0], coordinates[1]);
 
-                        mLauncher.bindItems(Collections.singletonList(info), true);
+                        mLauncher.bindItems(
+                                Collections.singletonList(info),
+                                /* forceAnimateIcons= */ true,
+                                /* focusFirstItemForAccessibility= */ true);
                         announceConfirmation(R.string.item_added_to_workspace);
                     } else if (item instanceof PendingAddItemInfo) {
                         PendingAddItemInfo info = (PendingAddItemInfo) item;