/**
* 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.textinput;
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 EditText native view when text changes.
*/
/* package */ class ReactTextInputEvent extends Event<ReactTextInputEvent> {
public static final String EVENT_NAME = "topTextInput";
private String mText;
private String mPreviousText;
private int mRangeStart;
private int mRangeEnd;
public ReactTextInputEvent(
int viewId,
long timestampMs,
String text,
String previousText,
int rangeStart,
int rangeEnd) {
super(viewId, timestampMs);
mText = text;
mPreviousText = previousText;
mRangeStart = rangeStart;
mRangeEnd = rangeEnd;
}
@Override
public String getEventName() {
return EVENT_NAME;
}
@Override
public boolean canCoalesce() {
// We don't want to miss any textinput event, as event data is incremental.
return false;
}
@Override
public void dispatch(RCTEventEmitter rctEventEmitter) {
rctEventEmitter.receiveEvent(getViewTag(), getEventName(), serializeEventData());
}
private WritableMap serializeEventData() {
WritableMap eventData = Arguments.createMap();
WritableMap range = Arguments.createMap();
range.putDouble("start", mRangeStart);
range.putDouble("end", mRangeEnd);
eventData.putString("text", mText);
eventData.putString("previousText", mPreviousText);
eventData.putMap("range", range);
eventData.putInt("target", getViewTag());
return eventData;
}
}