Refactor isFabric() -> getUIManagerType()

Reviewed By: achen1

Differential Revision: D7897855

fbshipit-source-id: 6b52d989187124c81ab8ee4a732703b46b05dc65

ReactAndroid/src/main/java/com/facebook/react/ReactInstanceManager.java

@@ -25,6 +25,7 @@
 import static com.facebook.react.bridge.ReactMarkerConstants.REACT_CONTEXT_THREAD_START;
 import static com.facebook.react.bridge.ReactMarkerConstants.SETUP_REACT_CONTEXT_END;
 import static com.facebook.react.bridge.ReactMarkerConstants.SETUP_REACT_CONTEXT_START;
+import static com.facebook.react.uimanager.common.UIManagerType.FABRIC;
 import static com.facebook.systrace.Systrace.TRACE_TAG_REACT_APPS;
 import static com.facebook.systrace.Systrace.TRACE_TAG_REACT_JAVA_BRIDGE;
 import static com.facebook.systrace.Systrace.TRACE_TAG_REACT_JS_VM_CALLS;
@@ -1011,7 +1012,7 @@ private void attachRootViewToInstance(
       CatalystInstance catalystInstance) {
     Log.d(ReactConstants.TAG, "ReactInstanceManager.attachRootViewToInstance()");
     Systrace.beginSection(TRACE_TAG_REACT_JAVA_BRIDGE, "attachRootViewToInstance");
-    UIManager uiManagerModule = UIManagerHelper.getUIManager(mCurrentReactContext, rootView.isFabric());
+    UIManager uiManagerModule = UIManagerHelper.getUIManager(mCurrentReactContext, rootView.getUIManagerType());
     final int rootTag = uiManagerModule.addRootView(rootView);
     rootView.setRootViewTag(rootTag);
     rootView.invokeJSEntryPoint();
@@ -1037,7 +1038,7 @@ private void detachViewFromInstance(
       CatalystInstance catalystInstance) {
     Log.d(ReactConstants.TAG, "ReactInstanceManager.detachViewFromInstance()");
     UiThreadUtil.assertOnUiThread();
-    if (rootView.isFabric()) {
+    if (rootView.getUIManagerType() == FABRIC) {
       catalystInstance.getJSModule(ReactFabric.class)
         .unmountComponentAtNode(rootView.getId());
     } else {

ReactAndroid/src/main/java/com/facebook/react/ReactRootView.java

@@ -8,6 +8,8 @@
 package com.facebook.react;
 
 import static com.facebook.systrace.Systrace.TRACE_TAG_REACT_JAVA_BRIDGE;
+import static com.facebook.react.uimanager.common.UIManagerType.FABRIC;
+import static com.facebook.react.uimanager.common.UIManagerType.DEFAULT;
 
 import android.content.Context;
 import android.graphics.Canvas;
@@ -50,6 +52,7 @@
 import com.facebook.react.uimanager.common.SizeMonitoringFrameLayout;
 import com.facebook.react.uimanager.events.EventDispatcher;
 import com.facebook.systrace.Systrace;
+import com.facebook.react.uimanager.common.UIManagerType;
 import javax.annotation.Nullable;
 
 /**
@@ -91,7 +94,7 @@ public interface ReactRootViewEventListener {
   private int mWidthMeasureSpec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
   private int mHeightMeasureSpec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
   private @Nullable Runnable mJSEntryPoint;
-  private boolean mIsFabric = false;
+  private @UIManagerType int mUIManagerType = DEFAULT;
 
   public ReactRootView(Context context) {
     super(context);
@@ -404,7 +407,7 @@ private void updateRootLayoutSpecs(final int widthMeasureSpec, final int heightM
             @Override
             public void runGuarded() {
               UIManagerHelper
-                .getUIManager(reactApplicationContext, isFabric())
+                .getUIManager(reactApplicationContext, getUIManagerType())
                 .updateRootLayoutSpecs(getRootViewTag(), widthMeasureSpec, heightMeasureSpec);
             }
           });
@@ -507,7 +510,7 @@ private void defaultJSEntryPoint() {
         if (appProperties != null) {
           appParams.putMap("initialProps", Arguments.fromBundle(appProperties));
         }
-        if (isFabric()) {
+        if (getUIManagerType() == FABRIC) {
           appParams.putBoolean("fabric", true);
         }
 
@@ -584,11 +587,11 @@ public void handleException(final Throwable t) {
   }
 
   public void setIsFabric(boolean isFabric) {
-    mIsFabric = isFabric;
+    mUIManagerType = isFabric ? FABRIC : DEFAULT;
   }
 
-  public boolean isFabric() {
-    return mIsFabric;
+  public @UIManagerType int getUIManagerType() {
+    return mUIManagerType;
   }
 
   @Nullable

ReactAndroid/src/main/java/com/facebook/react/bridge/UIManager.java

@@ -26,5 +26,5 @@ public interface UIManager extends JSIModule {
    * @param commandId {@link int} command id
    * @param commandArgs {@link ReadableArray} parameters associated with the command
    */
-  void dispatchViewManagerCommand(int reactTag, int commandId, @Nullable ReadableArray commandArgs);
+  void dispatchCommand(int reactTag, int commandId, @Nullable ReadableArray commandArgs);
 }

ReactAndroid/src/main/java/com/facebook/react/fabric/FabricUIManager.java

@@ -283,8 +283,7 @@ public synchronized void completeRoot(int rootTag, @Nullable List<ReactShadowNod
     }
   }
 
-  @Deprecated
-  public void dispatchViewManagerCommand(int reactTag, int commandId, @Nullable ReadableArray commandArgs) {
+  public void dispatchCommand(int reactTag, int commandId, @Nullable ReadableArray commandArgs) {
     mUIViewOperationQueue.enqueueDispatchCommand(reactTag, commandId, commandArgs);
   }
 

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

@@ -1,11 +1,13 @@
 package com.facebook.react.uimanager;
 
-import static com.facebook.react.uimanager.common.ViewType.FABRIC;
-import static com.facebook.react.uimanager.common.ViewUtil.getViewType;
+import static com.facebook.react.uimanager.common.UIManagerType.FABRIC;
+import static com.facebook.react.uimanager.common.UIManagerType.DEFAULT;
+import static com.facebook.react.uimanager.common.ViewUtil.getUIManagerType;
 
 import com.facebook.react.bridge.CatalystInstance;
 import com.facebook.react.bridge.ReactContext;
 import com.facebook.react.bridge.UIManager;
+import com.facebook.react.uimanager.common.UIManagerType;
 
 /**
  * Helper class for {@link UIManager}.
@@ -15,18 +17,27 @@ public class UIManagerHelper {
   /**
    * @return a {@link UIManager} that can handle the react tag received by parameter.
    */
-  public static UIManager getUIManager(ReactContext context, int reactTag) {
-    return getUIManager(context, getViewType(reactTag) == FABRIC);
+  public static UIManager getUIManagerForReactTag(ReactContext context, int reactTag) {
+    return getUIManager(context, getUIManagerType(reactTag));
   }
 
   /**
    * @return a {@link UIManager} that can handle the react tag received by parameter.
    */
-  public static UIManager getUIManager(ReactContext context, boolean isFabric) {
+  public static UIManager getUIManager(ReactContext context, @UIManagerType int uiManagerType) {
     CatalystInstance catalystInstance = context.getCatalystInstance();
-    return isFabric ?
-      catalystInstance.getJSIModule(UIManager.class) :
-      catalystInstance.getNativeModule(UIManagerModule.class);
+    UIManager uiManager;
+    switch (uiManagerType) {
+      case FABRIC:
+        uiManager = catalystInstance.getJSIModule(UIManager.class);
+        break;
+      case DEFAULT:
+        uiManager = catalystInstance.getNativeModule(UIManagerModule.class);
+        break;
+      default:
+        throw new IllegalArgumentException("Invalid UIManagerType: " + uiManagerType);
+    }
+    return uiManager;
   }
 
 }

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

@@ -10,8 +10,7 @@
 import static com.facebook.react.bridge.ReactMarkerConstants.CREATE_UI_MANAGER_MODULE_CONSTANTS_END;
 import static com.facebook.react.bridge.ReactMarkerConstants.CREATE_UI_MANAGER_MODULE_CONSTANTS_START;
 
-import static com.facebook.react.uimanager.common.ViewType.FABRIC;
-import static com.facebook.react.uimanager.common.ViewType.PAPER;
+import static com.facebook.react.uimanager.common.UIManagerType.DEFAULT;
 
 import android.content.ComponentCallbacks2;
 import android.content.res.Configuration;
@@ -586,19 +585,19 @@ public void clearJSResponder() {
     mUIImplementation.clearJSResponder();
   }
 
-  @Override
   @ReactMethod
   public void dispatchViewManagerCommand(int reactTag, int commandId, @Nullable ReadableArray commandArgs) {
     //TODO: this is a temporary approach to support ViewManagerCommands in Fabric until
     // the dispatchViewManagerCommand() method is supported by Fabric JS API.
-    if (ViewUtil.getViewType(reactTag) == FABRIC) {
-      UIManagerHelper.getUIManager(getReactApplicationContext(), true)
-        .dispatchViewManagerCommand(reactTag, commandId, commandArgs);
-    } else {
-      mUIImplementation.dispatchViewManagerCommand(reactTag, commandId, commandArgs);
-    }
+    UIManagerHelper.getUIManager(getReactApplicationContext(), ViewUtil.getUIManagerType(reactTag))
+      .dispatchCommand(reactTag, commandId, commandArgs);
+  }
+
+  @Override
+  public void dispatchCommand(int reactTag, int commandId, @Nullable ReadableArray commandArgs) {
+    mUIImplementation.dispatchViewManagerCommand(reactTag, commandId, commandArgs);
   }
-  
+
   @ReactMethod
   public void playTouchSound() {
     AudioManager audioManager = (AudioManager) getReactApplicationContext().getSystemService(Context.AUDIO_SERVICE);

ReactAndroid/src/main/java/com/facebook/react/uimanager/common/ViewType.java → ReactAndroid/src/main/java/com/facebook/react/uimanager/common/UIManagerType.java

@@ -6,16 +6,16 @@
  */
 package com.facebook.react.uimanager.common;
 
-import static com.facebook.react.uimanager.common.ViewType.FABRIC;
-import static com.facebook.react.uimanager.common.ViewType.PAPER;
+import static com.facebook.react.uimanager.common.UIManagerType.FABRIC;
+import static com.facebook.react.uimanager.common.UIManagerType.DEFAULT;
 import static java.lang.annotation.RetentionPolicy.SOURCE;
 
 import java.lang.annotation.Retention;
 import android.support.annotation.IntDef;
 
 @Retention(SOURCE)
-@IntDef({PAPER, FABRIC})
-public @interface ViewType {
-  int PAPER = 1;
+@IntDef({DEFAULT, FABRIC})
+public @interface UIManagerType {
+  int DEFAULT = 1;
   int FABRIC = 2;
 }

ReactAndroid/src/main/java/com/facebook/react/uimanager/common/ViewUtil.java

@@ -7,23 +7,22 @@
 
 package com.facebook.react.uimanager.common;
 
-import static com.facebook.react.uimanager.common.ViewType.FABRIC;
-import static com.facebook.react.uimanager.common.ViewType.PAPER;
+import static com.facebook.react.uimanager.common.UIManagerType.FABRIC;
+import static com.facebook.react.uimanager.common.UIManagerType.DEFAULT;
 
 public class ViewUtil {
 
   /**
    * Counter for uniquely identifying views.
-   * - % 10 === 1 means it is a rootTag.
    * - % 2 === 0 means it is a Fabric tag.
    * See https://github.com/facebook/react/pull/12587
    *
    * @param reactTag {@link }
    */
-  @ViewType
-  public static int getViewType(int reactTag) {
+  @UIManagerType
+  public static int getUIManagerType(int reactTag) {
     if (reactTag % 2 == 0) return FABRIC;
-    return PAPER;
+    return DEFAULT;
   }
 
 }

ReactAndroid/src/main/java/com/facebook/react/uimanager/events/EventDispatcher.java

@@ -24,6 +24,7 @@
 import com.facebook.react.common.MapBuilder;
 import com.facebook.react.modules.core.ChoreographerCompat;
 import com.facebook.react.modules.core.ReactChoreographer;
+import com.facebook.react.uimanager.common.UIManagerType;
 import com.facebook.systrace.Systrace;
 
 /**