diff --git a/core/java/com/android/internal/widget/ViewClippingUtil.java b/core/java/com/android/internal/widget/ViewClippingUtil.java
new file mode 100644
index 0000000000000..efa11adf9b654
--- /dev/null
+++ b/core/java/com/android/internal/widget/ViewClippingUtil.java
@@ -0,0 +1,108 @@
+/*
+ * Copyright (C) 2017 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.internal.widget;
+
+import android.util.ArraySet;
+import android.view.View;
+import android.view.ViewGroup;
+import android.view.ViewParent;
+
+import com.android.internal.R;
+
+/**
+ * A utility class that allows to clip views and their parents to allow for better transitions
+ */
+public class ViewClippingUtil {
+    private static final int CLIP_CLIPPING_SET = R.id.clip_children_set_tag;
+    private static final int CLIP_CHILDREN_TAG = R.id.clip_children_tag;
+    private static final int CLIP_TO_PADDING = R.id.clip_to_padding_tag;
+
+    public static void setClippingDeactivated(final View transformedView, boolean deactivated,
+        ClippingParameters clippingParameters) {
+        if (!deactivated && !clippingParameters.isClippingEnablingAllowed(transformedView)) {
+            return;
+        }
+        if (!(transformedView.getParent() instanceof ViewGroup)) {
+            return;
+        }
+        ViewGroup parent = (ViewGroup) transformedView.getParent();
+        while (true) {
+            if (!deactivated && !clippingParameters.isClippingEnablingAllowed(transformedView)) {
+                return;
+            }
+            ArraySet<View> clipSet = (ArraySet<View>) parent.getTag(CLIP_CLIPPING_SET);
+            if (clipSet == null) {
+                clipSet = new ArraySet<>();
+                parent.setTagInternal(CLIP_CLIPPING_SET, clipSet);
+            }
+            Boolean clipChildren = (Boolean) parent.getTag(CLIP_CHILDREN_TAG);
+            if (clipChildren == null) {
+                clipChildren = parent.getClipChildren();
+                parent.setTagInternal(CLIP_CHILDREN_TAG, clipChildren);
+            }
+            Boolean clipToPadding = (Boolean) parent.getTag(CLIP_TO_PADDING);
+            if (clipToPadding == null) {
+                clipToPadding = parent.getClipToPadding();
+                parent.setTagInternal(CLIP_TO_PADDING, clipToPadding);
+            }
+            if (!deactivated) {
+                clipSet.remove(transformedView);
+                if (clipSet.isEmpty()) {
+                    parent.setClipChildren(clipChildren);
+                    parent.setClipToPadding(clipToPadding);
+                    parent.setTagInternal(CLIP_CLIPPING_SET, null);
+                    clippingParameters.onClippingStateChanged(parent, true);
+                }
+            } else {
+                clipSet.add(transformedView);
+                parent.setClipChildren(false);
+                parent.setClipToPadding(false);
+                clippingParameters.onClippingStateChanged(parent, false);
+            }
+            if (clippingParameters.shouldFinish(parent)) {
+                return;
+            }
+            final ViewParent viewParent = parent.getParent();
+            if (viewParent instanceof ViewGroup) {
+                parent = (ViewGroup) viewParent;
+            } else {
+                return;
+            }
+        }
+    }
+
+    public interface ClippingParameters {
+        /**
+         * Should we stop clipping at this view? If true is returned, {@param view} is the last view
+         * where clipping is activated / deactivated.
+         */
+        boolean shouldFinish(View view);
+
+        /**
+         * Is it allowed to enable clipping on this view.
+         */
+        default boolean isClippingEnablingAllowed(View view) {
+            return true;
+        }
+
+        /**
+         * A method that is called whenever the view starts clipping again / stops clipping to the
+         * children and padding.
+         */
+        default void onClippingStateChanged(View view, boolean isClipping) {};
+    }
+}
diff --git a/core/res/res/values/ids.xml b/core/res/res/values/ids.xml
index cd3624db9afaf..870868c355570 100644
--- a/core/res/res/values/ids.xml
+++ b/core/res/res/values/ids.xml
@@ -139,6 +139,15 @@
   <!-- Accessibility action identifier for {@link android.view.accessibility.AccessibilityNodeInfo.AccessibilityAction#ACTION_MOVE_WINDOW}. -->
   <item type="id" name="accessibilityActionMoveWindow" />
 
+  <!-- A tag used to save the clip children in a tag -->
+  <item type="id" name="clip_children_tag" />
+
+  <!-- A tag used to save the set of deactivated children that clip -->
+  <item type="id" name="clip_children_set_tag" />
+
+  <!-- A tag used to save the clip to padding in a tag -->
+  <item type="id" name="clip_to_padding_tag" />
+
   <!-- Action used to manually trigger an autofill request -->
   <item type="id" name="autofill" />
 
diff --git a/core/res/res/values/symbols.xml b/core/res/res/values/symbols.xml
index abca5e561ec62..a7ad81c38b958 100644
--- a/core/res/res/values/symbols.xml
+++ b/core/res/res/values/symbols.xml
@@ -3111,6 +3111,9 @@
   <java-symbol type="id" name="message_name" />
   <java-symbol type="id" name="message_icon" />
   <java-symbol type="id" name="group_message_container" />
+  <java-symbol type="id" name="clip_children_set_tag" />
+  <java-symbol type="id" name="clip_to_padding_tag" />
+  <java-symbol type="id" name="clip_children_tag" />
   <java-symbol type="drawable" name="ic_reply_notification_large" />
   <java-symbol type="dimen" name="messaging_avatar_size" />
 
diff --git a/packages/SystemUI/res/values/ids.xml b/packages/SystemUI/res/values/ids.xml
index e5f802944ff34..cfd95b41825a6 100644
--- a/packages/SystemUI/res/values/ids.xml
+++ b/packages/SystemUI/res/values/ids.xml
@@ -66,9 +66,6 @@
 
     <!-- For notification icons for which targetSdk < L, this caches whether the icon is grayscale -->
     <item type="id" name="icon_is_grayscale" />
-    <item type="id" name="clip_children_tag" />
-    <item type="id" name="clip_children_set_tag" />
-    <item type="id" name="clip_to_padding_tag" />
     <item type="id" name="image_icon_tag" />
     <item type="id" name="contains_transformed_view" />
     <item type="id" name="is_clicked_heads_up_tag" />
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/TransformState.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/TransformState.java
index 2439c707647e2..cb59b39a2ff22 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/TransformState.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/TransformState.java
@@ -26,6 +26,7 @@ import android.widget.ImageView;
 import android.widget.ProgressBar;
 import android.widget.TextView;
 
+import com.android.internal.widget.ViewClippingUtil;
 import com.android.systemui.Interpolators;
 import com.android.systemui.R;
 import com.android.systemui.statusbar.CrossFadeHelper;
@@ -43,14 +44,34 @@ public class TransformState {
     public static final int TRANSFORM_ALL = TRANSFORM_X | TRANSFORM_Y;
 
     private static final float UNDEFINED = -1f;
-    private static final int CLIP_CLIPPING_SET = R.id.clip_children_set_tag;
-    private static final int CLIP_CHILDREN_TAG = R.id.clip_children_tag;
-    private static final int CLIP_TO_PADDING = R.id.clip_to_padding_tag;
     private static final int TRANSFORMATION_START_X = R.id.transformation_start_x_tag;
     private static final int TRANSFORMATION_START_Y = R.id.transformation_start_y_tag;
     private static final int TRANSFORMATION_START_SCLALE_X = R.id.transformation_start_scale_x_tag;
     private static final int TRANSFORMATION_START_SCLALE_Y = R.id.transformation_start_scale_y_tag;
     private static Pools.SimplePool<TransformState> sInstancePool = new Pools.SimplePool<>(40);
+    private static ViewClippingUtil.ClippingParameters CLIPPING_PARAMETERS
+            = new ViewClippingUtil.ClippingParameters() {
+        @Override
+        public boolean shouldFinish(View view) {
+            if (view instanceof ExpandableNotificationRow) {
+                ExpandableNotificationRow row = (ExpandableNotificationRow) view;
+                return !row.isChildInGroup();
+            }
+            return false;
+        }
+
+        @Override
+        public void onClippingStateChanged(View view, boolean isClipping) {
+            if (view instanceof ExpandableNotificationRow) {
+                ExpandableNotificationRow row = (ExpandableNotificationRow) view;
+                if (isClipping) {
+                    row.setClipToActualHeight(true);
+                } else if (row.isChildInGroup()) {
+                    row.setClipToActualHeight(false);
+                }
+            }
+        }
+    };
 
     protected View mTransformedView;
     private int[] mOwnPosition = new int[2];
@@ -357,59 +378,8 @@ public class TransformState {
         }
     }
 
-    public static void setClippingDeactivated(final View transformedView, boolean deactivated) {
-        if (!(transformedView.getParent() instanceof ViewGroup)) {
-            return;
-        }
-        ViewGroup view = (ViewGroup) transformedView.getParent();
-        while (true) {
-            ArraySet<View> clipSet = (ArraySet<View>) view.getTag(CLIP_CLIPPING_SET);
-            if (clipSet == null) {
-                clipSet = new ArraySet<>();
-                view.setTag(CLIP_CLIPPING_SET, clipSet);
-            }
-            Boolean clipChildren = (Boolean) view.getTag(CLIP_CHILDREN_TAG);
-            if (clipChildren == null) {
-                clipChildren = view.getClipChildren();
-                view.setTag(CLIP_CHILDREN_TAG, clipChildren);
-            }
-            Boolean clipToPadding = (Boolean) view.getTag(CLIP_TO_PADDING);
-            if (clipToPadding == null) {
-                clipToPadding = view.getClipToPadding();
-                view.setTag(CLIP_TO_PADDING, clipToPadding);
-            }
-            ExpandableNotificationRow row = view instanceof ExpandableNotificationRow
-                    ? (ExpandableNotificationRow) view
-                    : null;
-            if (!deactivated) {
-                clipSet.remove(transformedView);
-                if (clipSet.isEmpty()) {
-                    view.setClipChildren(clipChildren);
-                    view.setClipToPadding(clipToPadding);
-                    view.setTag(CLIP_CLIPPING_SET, null);
-                    if (row != null) {
-                        row.setClipToActualHeight(true);
-                    }
-                }
-            } else {
-                clipSet.add(transformedView);
-                view.setClipChildren(false);
-                view.setClipToPadding(false);
-                if (row != null && row.isChildInGroup()) {
-                    // We still want to clip to the parent's height
-                    row.setClipToActualHeight(false);
-                }
-            }
-            if (row != null && !row.isChildInGroup()) {
-                return;
-            }
-            final ViewParent parent = view.getParent();
-            if (parent instanceof ViewGroup) {
-                view = (ViewGroup) parent;
-            } else {
-                return;
-            }
-        }
+    protected void setClippingDeactivated(final View transformedView, boolean deactivated) {
+        ViewClippingUtil.setClippingDeactivated(transformedView, deactivated, CLIPPING_PARAMETERS);
     }
 
     public int[] getLaidOutLocationOnScreen() {