Merge "Polish notification dismiss button" into main

9 files changed, 289 insertions, 54 deletions

diff --git a/core/res/res/layout/notification_template_header.xml b/core/res/res/layout/notification_template_header.xml
index 565d584875ac..57959361bd48 100644
--- a/core/res/res/layout/notification_template_header.xml
+++ b/core/res/res/layout/notification_template_header.xml
@@ -13,7 +13,7 @@
   ~ See the License for the specific language governing permissions and
   ~ limitations under the License
   -->
-<!-- extends FrameLayout -->
+<!-- extends RelativeLayout -->
 <NotificationHeaderView
     xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@+id/notification_header"
@@ -62,7 +62,7 @@
         android:layout_height="match_parent"
         android:layout_alignParentStart="true"
         android:layout_centerVertical="true"
-        android:layout_toStartOf="@id/notification_buttons_column"
+        android:layout_toStartOf="@id/expand_button"
         android:layout_alignWithParentIfMissing="true"
         android:clipChildren="false"
         android:gravity="center_vertical"
@@ -83,28 +83,17 @@
         android:focusable="false"
         />
 
-    <LinearLayout
-        android:id="@+id/notification_buttons_column"
+    <include layout="@layout/notification_expand_button"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:layout_alignParentEnd="true"
-        android:orientation="vertical"
-        >
-
-        <include layout="@layout/notification_close_button"
-            android:layout_width="@dimen/notification_close_button_size"
-            android:layout_height="@dimen/notification_close_button_size"
-            android:layout_gravity="end"
-            android:layout_marginEnd="20dp"
-            />
-
-        <include layout="@layout/notification_expand_button"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_alignParentEnd="true"
-            android:layout_centerVertical="true"
-            />
+        android:layout_centerVertical="true"
+        android:layout_alignParentEnd="true" />
 
-    </LinearLayout>
+    <include layout="@layout/notification_close_button"
+        android:id="@+id/close_button"
+        android:layout_width="@dimen/notification_close_button_size"
+        android:layout_height="@dimen/notification_close_button_size"
+        android:layout_alignParentTop="true"
+        android:layout_alignParentEnd="true" />
 
 </NotificationHeaderView>
diff --git a/core/res/res/layout/notification_template_material_base.xml b/core/res/res/layout/notification_template_material_base.xml
index 29f14a4a93fc..227f84bb2eed 100644
--- a/core/res/res/layout/notification_template_material_base.xml
+++ b/core/res/res/layout/notification_template_material_base.xml
@@ -157,39 +157,27 @@
             android:maxDrawableHeight="@dimen/notification_right_icon_size"
             />
 
-        <LinearLayout
-            android:id="@+id/notification_buttons_column"
+        <FrameLayout
+            android:id="@+id/expand_button_touch_container"
             android:layout_width="wrap_content"
             android:layout_height="match_parent"
-            android:layout_alignParentEnd="true"
-            android:orientation="vertical"
+            android:minWidth="@dimen/notification_content_margin_end"
             >
 
-            <include layout="@layout/notification_close_button"
-                android:layout_width="@dimen/notification_close_button_size"
-                android:layout_height="@dimen/notification_close_button_size"
-                android:layout_gravity="end"
-                android:layout_marginEnd="20dp"
-                />
-
-            <FrameLayout
-                android:id="@+id/expand_button_touch_container"
+            <include layout="@layout/notification_expand_button"
                 android:layout_width="wrap_content"
-                android:layout_height="0dp"
-                android:layout_weight="1"
-                android:minWidth="@dimen/notification_content_margin_end"
-                >
-
-                <include layout="@layout/notification_expand_button"
-                    android:layout_width="wrap_content"
-                    android:layout_height="wrap_content"
-                    android:layout_gravity="center_vertical|end"
-                    />
-
-            </FrameLayout>
+                android:layout_height="wrap_content"
+                android:layout_gravity="center_vertical|end"
+                />
 
-        </LinearLayout>
+        </FrameLayout>
 
     </LinearLayout>
 
+    <include layout="@layout/notification_close_button"
+        android:id="@+id/close_button"
+        android:layout_width="@dimen/notification_close_button_size"
+        android:layout_height="@dimen/notification_close_button_size"
+        android:layout_gravity="top|end" />
+
 </FrameLayout>
diff --git a/core/res/res/layout/notification_template_material_media.xml b/core/res/res/layout/notification_template_material_media.xml
index 6e9d17fc31d4..5459fa895f82 100644
--- a/core/res/res/layout/notification_template_material_media.xml
+++ b/core/res/res/layout/notification_template_material_media.xml
@@ -15,6 +15,7 @@
   ~ limitations under the License
   -->
 
+<!-- extends FrameLayout -->
 <com.android.internal.widget.MediaNotificationView
     android:id="@+id/status_bar_latest_event_content"
     xmlns:android="http://schemas.android.com/apk/res/android"
@@ -191,4 +192,11 @@
         </FrameLayout>
 
     </LinearLayout>
+
+    <include layout="@layout/notification_close_button"
+        android:id="@+id/close_button"
+        android:layout_width="@dimen/notification_close_button_size"
+        android:layout_height="@dimen/notification_close_button_size"
+        android:layout_gravity="top|end" />
+
 </com.android.internal.widget.MediaNotificationView>
diff --git a/core/res/res/layout/notification_template_material_messaging.xml b/core/res/res/layout/notification_template_material_messaging.xml
index 1eae41da1e81..2b3b7d873f4f 100644
--- a/core/res/res/layout/notification_template_material_messaging.xml
+++ b/core/res/res/layout/notification_template_material_messaging.xml
@@ -195,6 +195,12 @@
 
             </LinearLayout>
 
+            <include layout="@layout/notification_close_button"
+                android:id="@+id/close_button"
+                android:layout_width="@dimen/notification_close_button_size"
+                android:layout_height="@dimen/notification_close_button_size"
+                android:layout_gravity="top|end" />
+
         </com.android.internal.widget.NotificationMaxHeightFrameLayout>
 
     <LinearLayout
diff --git a/core/res/res/values/symbols.xml b/core/res/res/values/symbols.xml
index 94ffb48e28c1..fc24f4599b25 100644
--- a/core/res/res/values/symbols.xml
+++ b/core/res/res/values/symbols.xml
@@ -5111,7 +5111,6 @@
   <java-symbol type="layout" name="notification_expand_button"/>
   <java-symbol type="id" name="close_button" />
   <java-symbol type="layout" name="notification_close_button"/>
-  <java-symbol type="id" name="notification_buttons_column" />
 
   <java-symbol type="bool" name="config_supportsMicToggle" />
   <java-symbol type="bool" name="config_supportsCamToggle" />
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/ExpandableNotificationRow.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/ExpandableNotificationRow.java
index fb62f8000c7c..0480212e4d59 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/ExpandableNotificationRow.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/ExpandableNotificationRow.java
@@ -36,6 +36,7 @@ import android.content.res.Resources;
 import android.graphics.Canvas;
 import android.graphics.Path;
 import android.graphics.Point;
+import android.graphics.Rect;
 import android.graphics.drawable.AnimatedVectorDrawable;
 import android.graphics.drawable.AnimationDrawable;
 import android.graphics.drawable.Drawable;
@@ -108,6 +109,7 @@ import com.android.systemui.statusbar.notification.row.shared.AsyncGroupHeaderVi
 import com.android.systemui.statusbar.notification.row.shared.LockscreenOtpRedaction;
 import com.android.systemui.statusbar.notification.row.wrapper.NotificationCompactMessagingTemplateViewWrapper;
 import com.android.systemui.statusbar.notification.row.wrapper.NotificationViewWrapper;
+import com.android.systemui.statusbar.notification.shared.NotificationAddXOnHoverToDismiss;
 import com.android.systemui.statusbar.notification.shared.NotificationContentAlphaOptimization;
 import com.android.systemui.statusbar.notification.shared.TransparentHeaderFix;
 import com.android.systemui.statusbar.notification.stack.AmbientState;
@@ -125,6 +127,7 @@ import com.android.systemui.statusbar.policy.SmartReplyConstants;
 import com.android.systemui.statusbar.policy.dagger.RemoteInputViewSubcomponent;
 import com.android.systemui.util.Compile;
 import com.android.systemui.util.DumpUtilsKt;
+import com.android.systemui.util.ListenerSet;
 import com.android.systemui.wmshell.BubblesManager;
 
 import java.io.PrintWriter;
@@ -430,6 +433,10 @@ public class ExpandableNotificationRow extends ActivatableNotificationView
     private float mBottomRoundnessDuringLaunchAnimation;
     private float mSmallRoundness;
 
+    private ListenerSet<DismissButtonTargetVisibilityListener>
+            mDismissButtonTargetVisibilityListeners
+            = new ListenerSet();
+
     public NotificationContentView[] getLayouts() {
         return Arrays.copyOf(mLayouts, mLayouts.length);
     }
@@ -739,6 +746,73 @@ public class ExpandableNotificationRow extends ActivatableNotificationView
         }
     }
 
+    public interface DismissButtonTargetVisibilityListener {
+        // Called when the notification dismiss button's target visibility changes.
+        // NOTE: This can be called when the dismiss button already has the target visibility.
+        void onTargetVisibilityChanged(boolean targetVisible);
+    }
+
+    public void addDismissButtonTargetStateListener(
+            DismissButtonTargetVisibilityListener listener) {
+        if (NotificationAddXOnHoverToDismiss.isUnexpectedlyInLegacyMode()) {
+            return;
+        }
+
+        mDismissButtonTargetVisibilityListeners.addIfAbsent(listener);
+    }
+
+    public void removeDismissButtonTargetStateListener(
+            DismissButtonTargetVisibilityListener listener) {
+        if (NotificationAddXOnHoverToDismiss.isUnexpectedlyInLegacyMode()) {
+            return;
+        }
+
+        mDismissButtonTargetVisibilityListeners.remove(listener);
+    }
+
+    @Override
+    public boolean onInterceptHoverEvent(MotionEvent event) {
+        if (!NotificationAddXOnHoverToDismiss.isEnabled()) {
+            return super.onInterceptHoverEvent(event);
+        }
+
+        // Do not bother checking the dismiss button's target visibility if the notification cannot
+        // be dismissed.
+        if (!canEntryBeDismissed()) {
+            return false;
+        }
+
+        final Boolean targetVisible = getDismissButtonTargetVisibilityIfAny(event);
+        if (targetVisible != null) {
+            for (DismissButtonTargetVisibilityListener listener :
+                    mDismissButtonTargetVisibilityListeners) {
+                listener.onTargetVisibilityChanged(targetVisible.booleanValue());
+            }
+        }
+
+        // Do not consume the hover event so that children still have a chance to process it.
+        return false;
+    }
+
+    private @Nullable Boolean getDismissButtonTargetVisibilityIfAny(MotionEvent event) {
+        // Returns the dismiss button's target visibility resulted by `event`. Returns null if the
+        // target visibility should not change.
+
+        if (event.getAction() == MotionEvent.ACTION_HOVER_EXIT) {
+            // The notification dismiss button should be hidden when the hover exit event is located
+            // outside of the notification. NOTE: The hover exit event can be inside the
+            // notification if hover moves from one hoverable child to another.
+            final Rect localBounds = new Rect(0, 0, this.getWidth(), this.getActualHeight());
+            if (!localBounds.contains((int) event.getX(), (int) event.getY())) {
+                return Boolean.FALSE;
+            }
+        } else if (event.getAction() == MotionEvent.ACTION_HOVER_ENTER) {
+            return Boolean.TRUE;
+        }
+
+        return null;
+    }
+
     private void updateLimitsForView(NotificationContentView layout) {
         View contractedView = layout.getContractedChild();
         boolean customView = contractedView != null
@@ -2218,6 +2292,10 @@ public class ExpandableNotificationRow extends ActivatableNotificationView
         mTranslateableViews.remove(mGutsStub);
         // We don't handle focus highlight in this view, it's done in background drawable instead
         setDefaultFocusHighlightEnabled(false);
+
+        if (NotificationAddXOnHoverToDismiss.isEnabled()) {
+            addDismissButtonTargetStateListener(findViewById(R.id.backgroundNormal));
+        }
     }
 
     /**
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/NotificationBackgroundView.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/NotificationBackgroundView.java
index d0db5145e0ff..34ef63944f14 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/NotificationBackgroundView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/NotificationBackgroundView.java
@@ -21,7 +21,9 @@ import static com.android.systemui.util.ColorUtilKt.hexColorString;
 import android.content.Context;
 import android.content.res.ColorStateList;
 import android.graphics.Canvas;
+import android.graphics.Path;
 import android.graphics.PorterDuff;
+import android.graphics.Rect;
 import android.graphics.drawable.Drawable;
 import android.graphics.drawable.GradientDrawable;
 import android.graphics.drawable.LayerDrawable;
@@ -36,6 +38,7 @@ import com.android.internal.util.ContrastColorUtil;
 import com.android.settingslib.Utils;
 import com.android.systemui.Dumpable;
 import com.android.systemui.res.R;
+import com.android.systemui.statusbar.notification.shared.NotificationAddXOnHoverToDismiss;
 import com.android.systemui.util.DrawableDumpKt;
 
 import java.io.PrintWriter;
@@ -44,7 +47,8 @@ import java.util.Arrays;
 /**
  * A view that can be used for both the dimmed and normal background of an notification.
  */
-public class NotificationBackgroundView extends View implements Dumpable {
+public class NotificationBackgroundView extends View implements Dumpable,
+        ExpandableNotificationRow.DismissButtonTargetVisibilityListener {
 
     private final boolean mDontModifyCorners;
     private Drawable mBackground;
@@ -66,6 +70,11 @@ public class NotificationBackgroundView extends View implements Dumpable {
     private final ColorStateList mLightColoredStatefulColors;
     private final ColorStateList mDarkColoredStatefulColors;
     private final int mNormalColor;
+    private final int convexR = 9;
+    private final int concaveR = 22;
+
+    // True only if the dismiss button is visible.
+    private boolean mDrawDismissButtonCutout = false;
 
     public NotificationBackgroundView(Context context, AttributeSet attrs) {
         super(context, attrs);
@@ -80,6 +89,18 @@ public class NotificationBackgroundView extends View implements Dumpable {
     }
 
     @Override
+    public void onTargetVisibilityChanged(boolean targetVisible) {
+        if (NotificationAddXOnHoverToDismiss.isUnexpectedlyInLegacyMode()) {
+            return;
+        }
+
+        if (mDrawDismissButtonCutout != targetVisible) {
+            mDrawDismissButtonCutout = targetVisible;
+            invalidate();
+        }
+    }
+
+    @Override
     protected void onDraw(Canvas canvas) {
         if (mClipTopAmount + mClipBottomAmount < getActualHeight() || mExpandAnimationRunning) {
             canvas.save();
@@ -87,12 +108,87 @@ public class NotificationBackgroundView extends View implements Dumpable {
                 canvas.clipRect(0, mClipTopAmount, getWidth(),
                         getActualHeight() - mClipBottomAmount);
             }
-            draw(canvas, mBackground);
+
+            if (!NotificationAddXOnHoverToDismiss.isEnabled()) {
+                draw(canvas, mBackground);
+                canvas.restore();
+                return;
+            }
+
+            Rect backgroundBounds = null;
+            if (mBackground != null || mDrawDismissButtonCutout) {
+                backgroundBounds = calculateBackgroundBounds();
+            }
+
+            if (mDrawDismissButtonCutout) {
+                canvas.clipPath(calculateDismissButtonCutoutPath(backgroundBounds));
+            }
+
+            if (mBackground != null) {
+                mBackground.setBounds(backgroundBounds);
+                mBackground.draw(canvas);
+            }
+
             canvas.restore();
         }
     }
 
+    private Path calculateDismissButtonCutoutPath(Rect backgroundBounds) {
+        // TODO(b/365585705): Adapt to RTL after the UX design is finalized.
+
+        NotificationAddXOnHoverToDismiss.isUnexpectedlyInLegacyMode();
+
+        Path path = new Path();
+
+        final int left = backgroundBounds.left;
+        final int right = backgroundBounds.right;
+        final int top = backgroundBounds.top;
+        final int bottom = backgroundBounds.bottom;
+
+        // Generate the path clockwise from the left-top corner.
+        path.moveTo(left, top);
+        path.lineTo(right - 2 * convexR - concaveR, top);
+        path.quadTo(right - convexR - concaveR, top, right - convexR - concaveR,
+                top + convexR);
+        path.quadTo(right - convexR - concaveR, top + convexR + concaveR, right - convexR,
+                top + convexR + concaveR);
+        path.quadTo(right, top + convexR + concaveR, right, top + 2 * convexR + concaveR);
+        path.lineTo(right, bottom);
+        path.lineTo(left, bottom);
+        path.lineTo(left, top);
+
+        return path;
+    }
+
+    private Rect calculateBackgroundBounds() {
+        NotificationAddXOnHoverToDismiss.isUnexpectedlyInLegacyMode();
+
+        int top = 0;
+        int bottom = getActualHeight();
+        if (mBottomIsRounded
+                && mBottomAmountClips
+                && !mExpandAnimationRunning) {
+            bottom -= mClipBottomAmount;
+        }
+        final boolean isRtl = isLayoutRtl();
+        final int width = getWidth();
+        final int actualWidth = getActualWidth();
+
+        int left = isRtl ? width - actualWidth : 0;
+        int right = isRtl ? width : actualWidth;
+
+        if (mExpandAnimationRunning) {
+            // Horizontally center this background view inside of the container
+            left = (int) ((width - actualWidth) / 2.0f);
+            right = (int) (left + actualWidth);
+        }
+
+        return new Rect(left, top, right, bottom);
+    }
+
     private void draw(Canvas canvas, Drawable drawable) {
+        NotificationAddXOnHoverToDismiss.assertInLegacyMode();
+
         if (drawable != null) {
             int top = 0;
             int bottom = getActualHeight();
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/wrapper/NotificationHeaderViewWrapper.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/wrapper/NotificationHeaderViewWrapper.java
index b622defbef98..e9eecdd8a26f 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/wrapper/NotificationHeaderViewWrapper.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/wrapper/NotificationHeaderViewWrapper.java
@@ -16,6 +16,9 @@
 
 package com.android.systemui.statusbar.notification.row.wrapper;
 
+import static android.view.View.GONE;
+import static android.view.View.VISIBLE;
+
 import static com.android.systemui.statusbar.notification.TransformState.TRANSFORM_Y;
 
 import android.app.Notification;
@@ -48,6 +51,7 @@ import com.android.systemui.statusbar.notification.Roundable;
 import com.android.systemui.statusbar.notification.RoundableState;
 import com.android.systemui.statusbar.notification.TransformState;
 import com.android.systemui.statusbar.notification.row.ExpandableNotificationRow;
+import com.android.systemui.statusbar.notification.shared.NotificationAddXOnHoverToDismiss;
 
 import java.util.Stack;
 
@@ -115,6 +119,10 @@ public class NotificationHeaderViewWrapper extends NotificationViewWrapper imple
         resolveHeaderViews();
         addFeedbackOnClickListener(row);
         addCloseButtonOnClickListener(row);
+
+        if (NotificationAddXOnHoverToDismiss.isEnabled()) {
+            mRow.addDismissButtonTargetStateListener(mHoverListener);
+        }
     }
 
     @Override
@@ -166,13 +174,34 @@ public class NotificationHeaderViewWrapper extends NotificationViewWrapper imple
         }
     }
 
+    private ExpandableNotificationRow.DismissButtonTargetVisibilityListener mHoverListener = new
+            ExpandableNotificationRow.DismissButtonTargetVisibilityListener() {
+                @Override
+                public void onTargetVisibilityChanged(boolean targetVisible) {
+                    NotificationAddXOnHoverToDismiss.isUnexpectedlyInLegacyMode();
+
+                    if (mCloseButton != null) {
+                        mCloseButton.setVisibility(targetVisible ? VISIBLE : GONE);
+                    }
+                }
+            };
+
+    @Override
+    public void setRemoved() {
+        super.setRemoved();
+
+        if (NotificationAddXOnHoverToDismiss.isEnabled()) {
+            mRow.removeDismissButtonTargetStateListener(mHoverListener);
+        }
+    }
+
     /**
      * Shows the given feedback icon, or hides the icon if null.
      */
     @Override
     public void setFeedbackIcon(@Nullable FeedbackIcon icon) {
         if (mFeedbackIcon != null) {
-            mFeedbackIcon.setVisibility(icon != null ? View.VISIBLE : View.GONE);
+            mFeedbackIcon.setVisibility(icon != null ? VISIBLE : GONE);
             if (icon != null) {
                 if (mFeedbackIcon instanceof ImageButton) {
                     ((ImageButton) mFeedbackIcon).setImageResource(icon.getIconRes());
@@ -266,7 +295,7 @@ public class NotificationHeaderViewWrapper extends NotificationViewWrapper imple
             boolean expandable,
             View.OnClickListener onClickListener,
             boolean requestLayout) {
-        mExpandButton.setVisibility(expandable ? View.VISIBLE : View.GONE);
+        mExpandButton.setVisibility(expandable ? VISIBLE : GONE);
         mExpandButton.setOnClickListener(expandable ? onClickListener : null);
         if (mAltExpandTarget != null) {
             mAltExpandTarget.setOnClickListener(expandable ? onClickListener : null);
@@ -294,7 +323,7 @@ public class NotificationHeaderViewWrapper extends NotificationViewWrapper imple
     @Override
     public void setRecentlyAudiblyAlerted(boolean audiblyAlerted) {
         if (mAudiblyAlertedIcon != null) {
-            mAudiblyAlertedIcon.setVisibility(audiblyAlerted ? View.VISIBLE : View.GONE);
+            mAudiblyAlertedIcon.setVisibility(audiblyAlerted ? VISIBLE : GONE);
         }
     }
 
@@ -371,6 +400,7 @@ public class NotificationHeaderViewWrapper extends NotificationViewWrapper imple
             ((DateTimeView) timeView).setTime(whenMillis);
         }
     }
+
     protected void addTransformedViews(View... views) {
         for (View view : views) {
             if (view != null) {
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/shared/NotificationAddXOnHoverToDismiss.kt b/packages/SystemUI/src/com/android/systemui/statusbar/notification/shared/NotificationAddXOnHoverToDismiss.kt
new file mode 100644
index 000000000000..0961874b2276
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/shared/NotificationAddXOnHoverToDismiss.kt
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.systemui.statusbar.notification.shared
+
+import com.android.systemui.Flags
+import com.android.systemui.flags.FlagToken
+import com.android.systemui.flags.RefactorFlagUtils
+
+/** Helper for reading or using the notification dismiss button on hover flag state. */
+@Suppress("NOTHING_TO_INLINE")
+object NotificationAddXOnHoverToDismiss {
+    const val FLAG_NAME = Flags.FLAG_NOTIFICATION_ADD_X_ON_HOVER_TO_DISMISS
+
+    val token: FlagToken
+        get() = FlagToken(FLAG_NAME, isEnabled)
+
+    @JvmStatic
+    inline val isEnabled
+        get() = Flags.notificationAddXOnHoverToDismiss()
+
+    @JvmStatic
+    inline fun isUnexpectedlyInLegacyMode() =
+        RefactorFlagUtils.isUnexpectedlyInLegacyMode(isEnabled, FLAG_NAME)
+
+    @JvmStatic
+    inline fun assertInLegacyMode() = RefactorFlagUtils.assertInLegacyMode(isEnabled, FLAG_NAME)
+}