Updating content description for the shortcuts menu and announcing

it when the container is opened

Bug: 30587453
Change-Id: I6f2d3ba05593f3e2a1a8f05c66a0f80e76932c38

res/values/strings.xml

@@ -254,4 +254,7 @@
     <!-- Accessibility action to show quick actions menu for an icon. [CHAR_LIMIT=30] -->
     <string name="action_deep_shortcut">Shortcuts</string>
 
+    <!-- Accessibility description for the shortcuts menu shown for an app. -->
+    <string name="shortcuts_menu_description"><xliff:g id="number_of_shortcuts" example="3">%1$d</xliff:g> shortcuts for <xliff:g id="app_name" example="Messenger">%2$s</xliff:g></string>
+
 </resources>

src/com/android/launcher3/shortcuts/DeepShortcutsContainer.java

@@ -40,6 +40,7 @@ import android.view.LayoutInflater;
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.ViewConfiguration;
+import android.view.accessibility.AccessibilityEvent;
 import android.view.animation.DecelerateInterpolator;
 import android.widget.LinearLayout;
 
@@ -147,6 +148,8 @@ public class DeepShortcutsContainer extends LinearLayout implements View.OnLongC
             shortcut.getBubbleText().setAccessibilityDelegate(mAccessibilityDelegate);
             addView(shortcut);
         }
+        setContentDescription(getContext().getString(R.string.shortcuts_menu_description,
+                numShortcuts, originalIcon.getContentDescription().toString()));
 
         measure(MeasureSpec.UNSPECIFIED, MeasureSpec.UNSPECIFIED);
         orientAboutIcon(originalIcon);
@@ -276,6 +279,8 @@ public class DeepShortcutsContainer extends LinearLayout implements View.OnLongC
             @Override
             public void onAnimationEnd(Animator animation) {
                 mOpenCloseAnimator = null;
+
+                sendAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED);
             }
         });