Add UI-Thread assertions in methods that mutate Views

Summary:
As part of `T54997838` we're auditing where removeView could possibly be called in a background thread, and adding annotations to indicate places where we don't think it's possible.

Changelog: [internal]

Reviewed By: makovkastar

Differential Revision: D18320461

fbshipit-source-id: 84b6b9e293d903f835fc42bc98614efb54158986

ReactAndroid/src/main/java/com/facebook/react/uimanager/ViewGroupManager.java

@@ -10,6 +10,7 @@ package com.facebook.react.uimanager;
 import android.view.View;
 import android.view.ViewGroup;
 import androidx.annotation.Nullable;
+import com.facebook.react.bridge.UiThreadUtil;
 import java.util.List;
 import java.util.WeakHashMap;
 
@@ -44,6 +45,8 @@ public abstract class ViewGroupManager<T extends ViewGroup>
    * @param views the set of views to add
    */
   public void addViews(T parent, List<View> views) {
+    UiThreadUtil.assertOnUiThread();
+
     for (int i = 0, size = views.size(); i < size; i++) {
       addView(parent, views.get(i), i);
     }
@@ -66,10 +69,14 @@ public abstract class ViewGroupManager<T extends ViewGroup>
   }
 
   public void removeViewAt(T parent, int index) {
+    UiThreadUtil.assertOnUiThread();
+
     parent.removeViewAt(index);
   }
 
   public void removeView(T parent, View view) {
+    UiThreadUtil.assertOnUiThread();
+
     for (int i = 0; i < getChildCount(parent); i++) {
       if (getChildAt(parent, i) == view) {
         removeViewAt(parent, i);
@@ -79,6 +86,8 @@ public abstract class ViewGroupManager<T extends ViewGroup>
   }
 
   public void removeAllViews(T parent) {
+    UiThreadUtil.assertOnUiThread();
+
     for (int i = getChildCount(parent) - 1; i >= 0; i--) {
       removeViewAt(parent, i);
     }

ReactAndroid/src/main/java/com/facebook/react/views/modal/ReactModalHostView.java

@@ -27,6 +27,7 @@ import com.facebook.react.R;
 import com.facebook.react.bridge.GuardedRunnable;
 import com.facebook.react.bridge.LifecycleEventListener;
 import com.facebook.react.bridge.ReactContext;
+import com.facebook.react.bridge.UiThreadUtil;
 import com.facebook.react.bridge.WritableMap;
 import com.facebook.react.bridge.WritableNativeMap;
 import com.facebook.react.common.annotations.VisibleForTesting;
@@ -97,6 +98,8 @@ public class ReactModalHostView extends ViewGroup implements LifecycleEventListe
 
   @Override
   public void addView(View child, int index) {
+    UiThreadUtil.assertOnUiThread();
+
     mHostView.addView(child, index);
   }
 
@@ -112,11 +115,15 @@ public class ReactModalHostView extends ViewGroup implements LifecycleEventListe
 
   @Override
   public void removeView(View child) {
+    UiThreadUtil.assertOnUiThread();
+
     mHostView.removeView(child);
   }
 
   @Override
   public void removeViewAt(int index) {
+    UiThreadUtil.assertOnUiThread();
+
     View child = getChildAt(index);
     mHostView.removeView(child);
   }
@@ -140,6 +147,8 @@ public class ReactModalHostView extends ViewGroup implements LifecycleEventListe
   }
 
   private void dismiss() {
+    UiThreadUtil.assertOnUiThread();
+
     if (mDialog != null) {
       if (mDialog.isShowing()) {
         Activity dialogContext =
@@ -217,6 +226,8 @@ public class ReactModalHostView extends ViewGroup implements LifecycleEventListe
    * new Dialog.
    */
   protected void showOrUpdate() {
+    UiThreadUtil.assertOnUiThread();
+
     // If the existing Dialog is currently up, we may need to redraw it or we may be able to update
     // the property without having to recreate the dialog
     if (mDialog != null) {

ReactAndroid/src/main/java/com/facebook/react/views/view/ReactClippingViewManager.java

@@ -8,6 +8,7 @@
 package com.facebook.react.views.view;
 
 import android.view.View;
+import com.facebook.react.bridge.UiThreadUtil;
 import com.facebook.react.uimanager.ViewGroupManager;
 import com.facebook.react.uimanager.annotations.ReactProp;
 
@@ -21,11 +22,15 @@ public abstract class ReactClippingViewManager<T extends ReactViewGroup>
   @ReactProp(
       name = com.facebook.react.uimanager.ReactClippingViewGroupHelper.PROP_REMOVE_CLIPPED_SUBVIEWS)
   public void setRemoveClippedSubviews(T view, boolean removeClippedSubviews) {
+    UiThreadUtil.assertOnUiThread();
+
     view.setRemoveClippedSubviews(removeClippedSubviews);
   }
 
   @Override
   public void addView(T parent, View child, int index) {
+    UiThreadUtil.assertOnUiThread();
+
     boolean removeClippedSubviews = parent.getRemoveClippedSubviews();
     if (removeClippedSubviews) {
       parent.addViewWithSubviewClippingEnabled(child, index);
@@ -56,6 +61,8 @@ public abstract class ReactClippingViewManager<T extends ReactViewGroup>
 
   @Override
   public void removeViewAt(T parent, int index) {
+    UiThreadUtil.assertOnUiThread();
+
     boolean removeClippedSubviews = parent.getRemoveClippedSubviews();
     if (removeClippedSubviews) {
       View child = getChildAt(parent, index);
@@ -70,6 +77,8 @@ public abstract class ReactClippingViewManager<T extends ReactViewGroup>
 
   @Override
   public void removeAllViews(T parent) {
+    UiThreadUtil.assertOnUiThread();
+
     boolean removeClippedSubviews = parent.getRemoveClippedSubviews();
     if (removeClippedSubviews) {
       parent.removeAllViewsWithSubviewClippingEnabled();

ReactAndroid/src/main/java/com/facebook/react/views/view/ReactViewGroup.java

@@ -29,6 +29,7 @@ import androidx.annotation.Nullable;
 import com.facebook.common.logging.FLog;
 import com.facebook.infer.annotation.Assertions;
 import com.facebook.react.bridge.ReactContext;
+import com.facebook.react.bridge.UiThreadUtil;
 import com.facebook.react.common.annotations.VisibleForTesting;
 import com.facebook.react.modules.i18nmanager.I18nUtil;
 import com.facebook.react.touch.OnInterceptTouchEventListener;
@@ -358,6 +359,8 @@ public class ReactViewGroup extends ViewGroup
   }
 
   private void updateSubviewClipStatus(Rect clippingRect, int idx, int clippedSoFar) {
+    UiThreadUtil.assertOnUiThread();
+
     View child = Assertions.assertNotNull(mAllChildren)[idx];
     sHelperRect.set(child.getLeft(), child.getTop(), child.getRight(), child.getBottom());
     boolean intersects =
@@ -462,6 +465,8 @@ public class ReactViewGroup extends ViewGroup
 
   @Override
   public void removeView(View view) {
+    UiThreadUtil.assertOnUiThread();
+
     mDrawingOrderHelper.handleRemoveView(view);
     setChildrenDrawingOrderEnabled(mDrawingOrderHelper.shouldEnableCustomDrawingOrder());
 
@@ -470,6 +475,8 @@ public class ReactViewGroup extends ViewGroup
 
   @Override
   public void removeViewAt(int index) {
+    UiThreadUtil.assertOnUiThread();
+
     mDrawingOrderHelper.handleRemoveView(getChildAt(index));
     setChildrenDrawingOrderEnabled(mDrawingOrderHelper.shouldEnableCustomDrawingOrder());
 
@@ -543,6 +550,8 @@ public class ReactViewGroup extends ViewGroup
   }
 
   /*package*/ void removeViewWithSubviewClippingEnabled(View view) {
+    UiThreadUtil.assertOnUiThread();
+
     Assertions.assertCondition(mRemoveClippedSubviews);
     Assertions.assertNotNull(mClippingRect);
     Assertions.assertNotNull(mAllChildren);