react-native/ReactAndroid/src/main/java/com/facebook/react/uimanager/UIManagerModuleConstants.java

/**
 * 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.
 */

package com.facebook.react.uimanager;

import android.view.accessibility.AccessibilityEvent;
import android.widget.ImageView;
import com.facebook.react.common.MapBuilder;
import com.facebook.react.uimanager.events.TouchEventType;
import java.util.Map;


/**
 * Constants exposed to JS from {@link UIManagerModule}.
 */
/* package */ class UIManagerModuleConstants {

  public static final String ACTION_DISMISSED = "dismissed";
  public static final String ACTION_ITEM_SELECTED = "itemSelected";

  /* package */ static Map getBubblingEventTypeConstants() {
    return MapBuilder.builder()
        .put(
            "topChange",
            MapBuilder.of(
                "phasedRegistrationNames",
                MapBuilder.of("bubbled", "onChange", "captured", "onChangeCapture")))
        .put(
            "topSelect",
            MapBuilder.of(
                "phasedRegistrationNames",
                MapBuilder.of("bubbled", "onSelect", "captured", "onSelectCapture")))
        .put(
            TouchEventType.getJSEventName(TouchEventType.START),
            MapBuilder.of(
                "phasedRegistrationNames",
                MapBuilder.of(
                    "bubbled",
                    "onTouchStart",
                    "captured",
                    "onTouchStartCapture")))
        .put(
            TouchEventType.getJSEventName(TouchEventType.MOVE),
            MapBuilder.of(
                "phasedRegistrationNames",
                MapBuilder.of(
                    "bubbled",
                    "onTouchMove",
                    "captured",
                    "onTouchMoveCapture")))
        .put(
            TouchEventType.getJSEventName(TouchEventType.END),
            MapBuilder.of(
                "phasedRegistrationNames",
                MapBuilder.of(
                    "bubbled",
                    "onTouchEnd",
                    "captured",
                    "onTouchEndCapture")))
        .put(
            TouchEventType.getJSEventName(TouchEventType.CANCEL),
            MapBuilder.of(
                "phasedRegistrationNames",
                MapBuilder.of(
                    "bubbled",
                    "onTouchCancel",
                    "captured",
                    "onTouchCancelCapture")))
        .build();
  }

  /* package */ static Map getDirectEventTypeConstants() {
    final String rn = "registrationName";
    return MapBuilder.builder()
        .put("topContentSizeChange", MapBuilder.of(rn, "onContentSizeChange"))
        .put("topLayout", MapBuilder.of(rn, "onLayout"))
        .put("topLoadingError", MapBuilder.of(rn, "onLoadingError"))
        .put("topLoadingFinish", MapBuilder.of(rn, "onLoadingFinish"))
        .put("topLoadingStart", MapBuilder.of(rn, "onLoadingStart"))
        .put("topSelectionChange", MapBuilder.of(rn, "onSelectionChange"))
        .put("topMessage", MapBuilder.of(rn, "onMessage"))
        // Scroll events are added as per task T22348735.
        // Subject for further improvement.
        .put("topScrollBeginDrag", MapBuilder.of(rn, "onScrollBeginDrag"))
        .put("topScrollEndDrag", MapBuilder.of(rn, "onScrollEndDrag"))
        .put("topScroll", MapBuilder.of(rn, "onScroll"))
        .put("topMomentumScrollBegin", MapBuilder.of(rn, "onMomentumScrollBegin"))
        .put("topMomentumScrollEnd", MapBuilder.of(rn, "onMomentumScrollEnd"))
        .build();
  }

  public static Map<String, Object> getConstants() {
    Map<String, Object> constants = MapBuilder.newHashMap();
    constants.put(
        "UIView",
        MapBuilder.of(
            "ContentMode",
            MapBuilder.of(
                "ScaleAspectFit",
                ImageView.ScaleType.FIT_CENTER.ordinal(),
                "ScaleAspectFill",
                ImageView.ScaleType.CENTER_CROP.ordinal(),
                "ScaleAspectCenter",
                ImageView.ScaleType.CENTER_INSIDE.ordinal())));

    constants.put(
        "StyleConstants",
        MapBuilder.of(
            "PointerEventsValues",
            MapBuilder.of(
                "none",
                PointerEvents.NONE.ordinal(),
                "boxNone",
                PointerEvents.BOX_NONE.ordinal(),
                "boxOnly",
                PointerEvents.BOX_ONLY.ordinal(),
                "unspecified",
                PointerEvents.AUTO.ordinal())));

    constants.put(
        "PopupMenu",
        MapBuilder.of(
            ACTION_DISMISSED,
            ACTION_DISMISSED,
            ACTION_ITEM_SELECTED,
            ACTION_ITEM_SELECTED));

    constants.put(
      "AccessibilityEventTypes",
      MapBuilder.of(
          "typeWindowStateChanged",
          AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED,
          "typeViewFocused",
          AccessibilityEvent.TYPE_VIEW_FOCUSED,
          "typeViewClicked",
          AccessibilityEvent.TYPE_VIEW_CLICKED));

    return constants;
  }
}