/**
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
package com.facebook.react.views.viewpager;
import com.facebook.react.bridge.Arguments;
import com.facebook.react.bridge.WritableMap;
import com.facebook.react.uimanager.events.Event;
import com.facebook.react.uimanager.events.RCTEventEmitter;
/**
* Event emitted by {@link ReactViewPager} when selected page changes.
*
* Additional data provided by this event:
* - position - index of page that has been selected
*/
/* package */ class PageSelectedEvent extends Event<PageSelectedEvent> {
public static final String EVENT_NAME = "topPageSelected";
private final int mPosition;
protected PageSelectedEvent(int viewTag, long timestampMs, int position) {
super(viewTag, timestampMs);
mPosition = position;
}
@Override
public String getEventName() {
return EVENT_NAME;
}
@Override
public void dispatch(RCTEventEmitter rctEventEmitter) {
rctEventEmitter.receiveEvent(getViewTag(), getEventName(), serializeEventData());
}
private WritableMap serializeEventData() {
WritableMap eventData = Arguments.createMap();
eventData.putInt("position", mPosition);
return eventData;
}
}