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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 | 3x 2x 1x 2x | /**
* Copyright (c) Nicolas Gallagher.
* 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.
*
* @flow
*/
import UIManager from '../../exports/UIManager';
/**
* This class is responsible for coordinating the "focused"
* state for TextInputs. All calls relating to the keyboard
* should be funneled through here
*/
const TextInputState = {
/**
* Internal state
*/
_currentlyFocusedNode: (null: ?Object),
/**
* Returns the ID of the currently focused text field, if one exists
* If no text field is focused it returns null
*/
currentlyFocusedField(): ?Object {
if (document.activeElement !== this._currentlyFocusedNode) {
this._currentlyFocusedNode = null;
}
return this._currentlyFocusedNode;
},
/**
* @param {Object} TextInputID id of the text field to focus
* Focuses the specified text field
* noop if the text field was already focused
*/
focusTextInput(textFieldNode: ?Object) {
if (textFieldNode !== null) {
this._currentlyFocusedNode = textFieldNode;
if (document.activeElement !== textFieldNode) {
UIManager.focus(textFieldNode);
}
}
},
/**
* @param {Object} textFieldNode id of the text field to focus
* Unfocuses the specified text field
* noop if it wasn't focused
*/
blurTextInput(textFieldNode: ?Object) {
if (textFieldNode !== null) {
this._currentlyFocusedNode = null;
if (document.activeElement === textFieldNode) {
UIManager.blur(textFieldNode);
}
}
}
};
export default TextInputState;
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