60 lines
1.6 KiB
JavaScript
60 lines
1.6 KiB
JavaScript
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*
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* @providesModule TextInputState
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* @flow
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*
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* This class is responsible for coordinating the "focused"
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* state for TextInputs. All calls relating to the keyboard
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* should be funneled through here
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*/
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'use strict';
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var RCTUIManager = require('NativeModules').UIManager;
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var TextInputState = {
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/**
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* Internal state
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*/
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_currentlyFocusedID: (null: ?number),
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/**
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* Returns the ID of the currently focused text field, if one exists
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* If no text field is focused it returns null
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*/
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currentlyFocusedField: function(): ?number {
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return this._currentlyFocusedID;
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},
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/**
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* @param {number} TextInputID id of the text field to focus
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* Focuses the specified text field
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* noop if the text field was already focused
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*/
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focusTextInput: function(textFieldID: ?number) {
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if (this._currentlyFocusedID !== textFieldID && textFieldID !== null) {
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this._currentlyFocusedID = textFieldID;
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RCTUIManager.focus(textFieldID);
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}
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},
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/**
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* @param {number} textFieldID id of the text field to focus
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* Unfocuses the specified text field
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* noop if it wasn't focused
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*/
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blurTextInput: function(textFieldID: ?number) {
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if (this._currentlyFocusedID === textFieldID && textFieldID !== null) {
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this._currentlyFocusedID = null;
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RCTUIManager.blur(textFieldID);
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}
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}
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};
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module.exports = TextInputState;
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