react-native/Libraries/ReactIOS/ReactIOSTextComponent.js
Christopher Chedeau 5baffa03fd Second Updates from Mon 23 Mar
- [ReactNative] Use deprecated ix in TabBarExample | Amjad Masad
- [ReactNative] Expanded license on obj-c files | Christopher Chedeau
- [ReactNative] Expanded license on js files | Christopher Chedeau
- [ReactNative] Fix React Devtools integration | Alex Kotliarskyi
- [Text] Account for font leading so descenders are not clipped | James Ide
- [ReactNative] Expanded license on js packager files | Christopher Chedeau
- more UIExplorer flow | Basil Hosmer
- [react-packager] Pick up package changes while running | Amjad Masad
- Added a graph view and a ReactNative metric that displays current queue and execution time for the JS thread. | Bryce Redd
- [ReactNative] Add NativeModules and DeviceEventEmitter to react-native exports | Alex Kotliarskyi
2015-03-23 15:07:33 -07:00

68 lines
1.8 KiB
JavaScript

/**
* 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.
*
* @providesModule ReactIOSTextComponent
*/
'use strict';
var ReactIOSTagHandles = require('ReactIOSTagHandles');
var RCTUIManager = require('NativeModules').UIManager;
var assign = require('Object.assign');
var ReactIOSTextComponent = function(props) {
// This constructor and its argument is currently used by mocks.
};
assign(ReactIOSTextComponent.prototype, {
construct: function(text) {
// This is really a ReactText (ReactNode), not a ReactElement
this._currentElement = text;
this._stringText = '' + text;
this._rootNodeID = null;
},
mountComponent: function(rootID, transaction, context) {
this._rootNodeID = rootID;
var tag = ReactIOSTagHandles.allocateTag();
RCTUIManager.createView(tag, 'RCTRawText', {text: this._stringText});
return {
rootNodeID: rootID,
tag: tag,
};
},
receiveComponent: function(nextText, transaction, context) {
if (nextText !== this._currentElement) {
this._currentElement = nextText;
var nextStringText = '' + nextText;
if (nextStringText !== this._stringText) {
this._stringText = nextStringText;
RCTUIManager.updateView(
ReactIOSTagHandles.mostRecentMountedNodeHandleForRootNodeID(
this._rootNodeID
),
'RCTRawText',
{text: this._stringText}
);
}
}
},
unmountComponent: function() {
this._currentElement = null;
this._stringText = null;
this._rootNodeID = null;
}
});
module.exports = ReactIOSTextComponent;