Use generated Java delegate for setting properties on ReactViewPagerManager

Summary:
This diff migrates ReactViewPagerManager to use the generated delegate for setting its properties.

Changelog: [Android] [Added] - Use generated Java delegate for setting properties on ReactViewPagerManager

Reviewed By: mdvacca

Differential Revision: D18298049

fbshipit-source-id: f989bedb16e3cabe6a9a8e4238a2b74515041d23

ReactAndroid/src/main/java/com/facebook/react/viewmanagers/AndroidViewPagerManagerDelegate.java

@@ -0,0 +1,56 @@
+/**
+* Copyright (c) Facebook, Inc. and its affiliates.
+*
+* This source code is licensed under the MIT license found in the
+* LICENSE file in the root directory of this source tree.
+*
+* @generated by codegen project: GeneratePropsJavaDelegate.js
+*/
+
+package com.facebook.react.viewmanagers;
+
+import android.view.View;
+import androidx.annotation.Nullable;
+import com.facebook.react.bridge.ReadableArray;
+import com.facebook.react.uimanager.BaseViewManagerDelegate;
+import com.facebook.react.uimanager.BaseViewManagerInterface;
+import com.facebook.react.uimanager.LayoutShadowNode;
+
+public class AndroidViewPagerManagerDelegate<T extends View, U extends BaseViewManagerInterface<T> & AndroidViewPagerManagerInterface<T>> extends BaseViewManagerDelegate<T, U> {
+  public AndroidViewPagerManagerDelegate(U viewManager) {
+    super(viewManager);
+  }
+  @Override
+  public void setProperty(T view, String propName, @Nullable Object value) {
+    switch (propName) {
+      case "initialPage":
+        mViewManager.setInitialPage(view, value == null ? 0 : ((Double) value).intValue());
+        break;
+      case "pageMargin":
+        mViewManager.setPageMargin(view, value == null ? 0 : ((Double) value).intValue());
+        break;
+      case "peekEnabled":
+        mViewManager.setPeekEnabled(view, value == null ? false : (boolean) value);
+        break;
+      case "keyboardDismissMode":
+        mViewManager.setKeyboardDismissMode(view, (String) value);
+        break;
+      case "scrollEnabled":
+        mViewManager.setScrollEnabled(view, value == null ? true : (boolean) value);
+        break;
+      default:
+        super.setProperty(view, propName, value);
+    }
+  }
+
+  public void receiveCommand(AndroidViewPagerManagerInterface<T> viewManager, T view, String commandName, ReadableArray args) {
+    switch (commandName) {
+      case "setPage":
+        viewManager.setPage(view, args.getInt(0));
+        break;
+      case "setPageWithoutAnimation":
+        viewManager.setPageWithoutAnimation(view, args.getInt(0));
+        break;
+    }
+  }
+}

ReactAndroid/src/main/java/com/facebook/react/viewmanagers/AndroidViewPagerManagerInterface.java

@@ -0,0 +1,23 @@
+/**
+* Copyright (c) Facebook, Inc. and its affiliates.
+*
+* This source code is licensed under the MIT license found in the
+* LICENSE file in the root directory of this source tree.
+*
+* @generated by codegen project: GeneratePropsJavaInterface.js
+*/
+
+package com.facebook.react.viewmanagers;
+
+import android.view.View;
+import androidx.annotation.Nullable;
+
+public interface AndroidViewPagerManagerInterface<T extends View> {
+  void setInitialPage(T view, int value);
+  void setPageMargin(T view, int value);
+  void setPeekEnabled(T view, boolean value);
+  void setKeyboardDismissMode(T view, @Nullable String value);
+  void setScrollEnabled(T view, boolean value);
+  void setPage(T view, int page);
+  void setPageWithoutAnimation(T view, int page);
+}

ReactAndroid/src/main/java/com/facebook/react/views/viewpager/BUCK

@@ -25,5 +25,6 @@ rn_android_library(
         react_native_target("java/com/facebook/react/uimanager:uimanager"),
         react_native_target("java/com/facebook/react/uimanager/annotations:annotations"),
         react_native_target("java/com/facebook/react/views/scroll:scroll"),
+        react_native_target("java/com/facebook/react/viewmanagers:viewmanagers"),
     ],
 )

ReactAndroid/src/main/java/com/facebook/react/views/viewpager/ReactViewPagerManager.java

@@ -16,18 +16,28 @@ import com.facebook.react.module.annotations.ReactModule;
 import com.facebook.react.uimanager.PixelUtil;
 import com.facebook.react.uimanager.ThemedReactContext;
 import com.facebook.react.uimanager.ViewGroupManager;
+import com.facebook.react.uimanager.ViewManagerDelegate;
 import com.facebook.react.uimanager.annotations.ReactProp;
+import com.facebook.react.viewmanagers.AndroidViewPagerManagerDelegate;
+import com.facebook.react.viewmanagers.AndroidViewPagerManagerInterface;
 import java.util.Map;
 
 /** Instance of {@link ViewManager} that provides native {@link ViewPager} view. */
 @ReactModule(name = ReactViewPagerManager.REACT_CLASS)
-public class ReactViewPagerManager extends ViewGroupManager<ReactViewPager> {
+public class ReactViewPagerManager extends ViewGroupManager<ReactViewPager>
+    implements AndroidViewPagerManagerInterface<ReactViewPager> {
 
   public static final String REACT_CLASS = "AndroidViewPager";
 
   public static final int COMMAND_SET_PAGE = 1;
   public static final int COMMAND_SET_PAGE_WITHOUT_ANIMATION = 2;
 
+  private final ViewManagerDelegate<ReactViewPager> mDelegate;
+
+  public ReactViewPagerManager() {
+    mDelegate = new AndroidViewPagerManagerDelegate<>(this);
+  }
+
   @Override
   public String getName() {
     return REACT_CLASS;
@@ -38,6 +48,7 @@ public class ReactViewPagerManager extends ViewGroupManager<ReactViewPager> {
     return new ReactViewPager(reactContext);
   }
 
+  @Override
   @ReactProp(name = "scrollEnabled", defaultBoolean = true)
   public void setScrollEnabled(ReactViewPager viewPager, boolean value) {
     viewPager.setScrollEnabled(value);
@@ -129,13 +140,36 @@ public class ReactViewPagerManager extends ViewGroupManager<ReactViewPager> {
     parent.removeViewFromAdapter(index);
   }
 
-  @ReactProp(name = "pageMargin", defaultFloat = 0)
-  public void setPageMargin(ReactViewPager pager, float margin) {
+  @Override
+  @ReactProp(name = "pageMargin", defaultInt = 0)
+  public void setPageMargin(ReactViewPager pager, int margin) {
     pager.setPageMargin((int) PixelUtil.toPixelFromDIP(margin));
   }
 
+  @Override
   @ReactProp(name = "peekEnabled", defaultBoolean = false)
   public void setPeekEnabled(ReactViewPager pager, boolean peekEnabled) {
     pager.setClipToPadding(!peekEnabled);
   }
+
+  @Override
+  public void setInitialPage(ReactViewPager view, int value) {}
+
+  @Override
+  public void setKeyboardDismissMode(ReactViewPager view, @Nullable String value) {}
+
+  @Override
+  public void setPage(ReactViewPager view, int page) {
+    // TODO(T52835863): Implement when view commands start using delegates generated by JS.
+  }
+
+  @Override
+  public void setPageWithoutAnimation(ReactViewPager view, int page) {
+    // TODO(T52835863): Implement when view commands start using delegates generated by JS.
+  }
+
+  @Override
+  public ViewManagerDelegate<ReactViewPager> getDelegate() {
+    return mDelegate;
+  }
 }