Marks ScrimView unimportant for accessibility when Widgets screen is opened.
am: c40872b913

Change-Id: Ic078f5dd44e57883041433ad001ed4fa684dcba2
diff --git a/src/com/android/launcher3/views/AbstractSlideInView.java b/src/com/android/launcher3/views/AbstractSlideInView.java
index f948beb..a4518ba 100644
--- a/src/com/android/launcher3/views/AbstractSlideInView.java
+++ b/src/com/android/launcher3/views/AbstractSlideInView.java
@@ -153,15 +153,15 @@
     }
 
     protected void handleClose(boolean animate, long defaultDuration) {
-        if (mIsOpen && !animate) {
+        if (!mIsOpen) {
+            return;
+        }
+        if (!animate) {
             mOpenCloseAnimator.cancel();
             setTranslationShift(TRANSLATION_SHIFT_CLOSED);
             onCloseComplete();
             return;
         }
-        if (!mIsOpen) {
-            return;
-        }
         mOpenCloseAnimator.setValues(
                 PropertyValuesHolder.ofFloat(TRANSLATION_SHIFT, TRANSLATION_SHIFT_CLOSED));
         mOpenCloseAnimator.addListener(new AnimatorListenerAdapter() {
diff --git a/src/com/android/launcher3/views/OptionsPopupView.java b/src/com/android/launcher3/views/OptionsPopupView.java
index 63f7427..465df44 100644
--- a/src/com/android/launcher3/views/OptionsPopupView.java
+++ b/src/com/android/launcher3/views/OptionsPopupView.java
@@ -18,10 +18,8 @@
 import static com.android.launcher3.Utilities.EXTRA_WALLPAPER_FLAVOR;
 import static com.android.launcher3.Utilities.EXTRA_WALLPAPER_OFFSET;
 
-import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
-import android.content.pm.ResolveInfo;
 import android.graphics.Rect;
 import android.graphics.RectF;
 import android.text.TextUtils;
@@ -33,6 +31,9 @@
 import android.view.View.OnLongClickListener;
 import android.widget.Toast;
 
+import androidx.annotation.Nullable;
+import androidx.annotation.VisibleForTesting;
+
 import com.android.launcher3.Launcher;
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
@@ -46,7 +47,6 @@
 import java.util.ArrayList;
 import java.util.List;
 
-import androidx.annotation.VisibleForTesting;
 
 /**
  * Popup shown on long pressing an empty space in launcher
@@ -169,16 +169,17 @@
     }
 
     public static boolean onWidgetsClicked(View view) {
-        return openWidgets(Launcher.getLauncher(view.getContext()));
+        return openWidgets(Launcher.getLauncher(view.getContext())) != null;
     }
 
-    public static boolean openWidgets(Launcher launcher) {
+    /** Returns WidgetsFullSheet that was opened, or null if nothing was opened. */
+    @Nullable
+    public static WidgetsFullSheet openWidgets(Launcher launcher) {
         if (launcher.getPackageManager().isSafeMode()) {
             Toast.makeText(launcher, R.string.safemode_widget_error, Toast.LENGTH_SHORT).show();
-            return false;
+            return null;
         } else {
-            WidgetsFullSheet.show(launcher, true /* animated */);
-            return true;
+            return WidgetsFullSheet.show(launcher, true /* animated */);
         }
     }
 
diff --git a/src/com/android/launcher3/views/ScrimView.java b/src/com/android/launcher3/views/ScrimView.java
index c360117..da1df3f 100644
--- a/src/com/android/launcher3/views/ScrimView.java
+++ b/src/com/android/launcher3/views/ScrimView.java
@@ -18,14 +18,14 @@
 import static android.content.Context.ACCESSIBILITY_SERVICE;
 import static android.view.MotionEvent.ACTION_DOWN;
 
+import static androidx.core.graphics.ColorUtils.compositeColors;
+
 import static com.android.launcher3.LauncherState.ALL_APPS;
 import static com.android.launcher3.LauncherState.NORMAL;
 import static com.android.launcher3.anim.Interpolators.ACCEL;
 import static com.android.launcher3.anim.Interpolators.DEACCEL;
 import static com.android.launcher3.icons.GraphicsUtils.setColorAlphaBound;
 
-import static androidx.core.graphics.ColorUtils.compositeColors;
-
 import android.animation.Animator;
 import android.animation.AnimatorListenerAdapter;
 import android.animation.Keyframe;
@@ -47,6 +47,13 @@
 import android.view.accessibility.AccessibilityManager;
 import android.view.accessibility.AccessibilityManager.AccessibilityStateChangeListener;
 
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.core.view.ViewCompat;
+import androidx.core.view.accessibility.AccessibilityNodeInfoCompat;
+import androidx.core.view.accessibility.AccessibilityNodeInfoCompat.AccessibilityActionCompat;
+import androidx.customview.widget.ExploreByTouchHelper;
+
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.Insettable;
 import com.android.launcher3.Launcher;
@@ -62,15 +69,10 @@
 import com.android.launcher3.util.MultiValueAlpha;
 import com.android.launcher3.util.MultiValueAlpha.AlphaProperty;
 import com.android.launcher3.util.Themes;
+import com.android.launcher3.widget.WidgetsFullSheet;
 
 import java.util.List;
 
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-import androidx.core.view.ViewCompat;
-import androidx.core.view.accessibility.AccessibilityNodeInfoCompat;
-import androidx.core.view.accessibility.AccessibilityNodeInfoCompat.AccessibilityActionCompat;
-import androidx.customview.widget.ExploreByTouchHelper;
 
 /**
  * Simple scrim which draws a flat color
@@ -325,7 +327,7 @@
 
         if (enabled) {
             stateManager.addStateListener(this);
-            handleStateChangedComplete(mLauncher.getStateManager().getState());
+            handleStateChangedComplete(stateManager.getState());
         } else {
             setImportantForAccessibility(IMPORTANT_FOR_ACCESSIBILITY_NO_HIDE_DESCENDANTS);
         }
@@ -437,7 +439,24 @@
             } else if (action == WALLPAPERS) {
                 return OptionsPopupView.startWallpaperPicker(ScrimView.this);
             } else if (action == WIDGETS) {
-                return OptionsPopupView.onWidgetsClicked(ScrimView.this);
+                int originalImportanceForAccessibility = getImportantForAccessibility();
+                setImportantForAccessibility(IMPORTANT_FOR_ACCESSIBILITY_NO_HIDE_DESCENDANTS);
+                WidgetsFullSheet widgetsFullSheet = OptionsPopupView.openWidgets(mLauncher);
+                if (widgetsFullSheet == null) {
+                    setImportantForAccessibility(originalImportanceForAccessibility);
+                    return false;
+                }
+                widgetsFullSheet.addOnAttachStateChangeListener(new OnAttachStateChangeListener() {
+                    @Override
+                    public void onViewAttachedToWindow(View view) {}
+
+                    @Override
+                    public void onViewDetachedFromWindow(View view) {
+                        setImportantForAccessibility(originalImportanceForAccessibility);
+                        widgetsFullSheet.removeOnAttachStateChangeListener(this);
+                    }
+                });
+                return true;
             } else if (action == SETTINGS) {
                 return OptionsPopupView.startSettings(ScrimView.this);
             }