create-expo-cljs-app
Version:
Create a react native application with Expo and Shadow-CLJS!
185 lines (146 loc) • 5.25 kB
JavaScript
/**
* 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.
*
*
* @format
*/
'use strict';
import NativeAnimatedHelper from '../NativeAnimatedHelper';
var NativeAnimatedAPI = NativeAnimatedHelper.API;
import invariant from 'fbjs/lib/invariant';
var _uniqueId = 1; // Note(vjeux): this would be better as an interface but flow doesn't
// support them yet
var AnimatedNode = /*#__PURE__*/function () {
var _proto = AnimatedNode.prototype;
_proto.__attach = function __attach() {};
_proto.__detach = function __detach() {
if (this.__isNative && this.__nativeTag != null) {
NativeAnimatedHelper.API.dropAnimatedNode(this.__nativeTag);
this.__nativeTag = undefined;
}
};
_proto.__getValue = function __getValue() {};
_proto.__getAnimatedValue = function __getAnimatedValue() {
return this.__getValue();
};
_proto.__addChild = function __addChild(child) {};
_proto.__removeChild = function __removeChild(child) {};
_proto.__getChildren = function __getChildren() {
return [];
}
/* Methods and props used by native Animated impl */
;
function AnimatedNode() {
this._listeners = {};
}
_proto.__makeNative = function __makeNative() {
if (!this.__isNative) {
throw new Error('This node cannot be made a "native" animated node');
}
if (this.hasListeners()) {
this._startListeningToNativeValueUpdates();
}
}
/**
* Adds an asynchronous listener to the value so you can observe updates from
* animations. This is useful because there is no way to
* synchronously read the value because it might be driven natively.
*
* See https://reactnative.dev/docs/animatedvalue.html#addlistener
*/
;
_proto.addListener = function addListener(callback) {
var id = String(_uniqueId++);
this._listeners[id] = callback;
if (this.__isNative) {
this._startListeningToNativeValueUpdates();
}
return id;
}
/**
* Unregister a listener. The `id` param shall match the identifier
* previously returned by `addListener()`.
*
* See https://reactnative.dev/docs/animatedvalue.html#removelistener
*/
;
_proto.removeListener = function removeListener(id) {
delete this._listeners[id];
if (this.__isNative && !this.hasListeners()) {
this._stopListeningForNativeValueUpdates();
}
}
/**
* Remove all registered listeners.
*
* See https://reactnative.dev/docs/animatedvalue.html#removealllisteners
*/
;
_proto.removeAllListeners = function removeAllListeners() {
this._listeners = {};
if (this.__isNative) {
this._stopListeningForNativeValueUpdates();
}
};
_proto.hasListeners = function hasListeners() {
return !!Object.keys(this._listeners).length;
};
_proto._startListeningToNativeValueUpdates = function _startListeningToNativeValueUpdates() {
var _this = this;
if (this.__nativeAnimatedValueListener && !this.__shouldUpdateListenersForNewNativeTag) {
return;
}
if (this.__shouldUpdateListenersForNewNativeTag) {
this.__shouldUpdateListenersForNewNativeTag = false;
this._stopListeningForNativeValueUpdates();
}
NativeAnimatedAPI.startListeningToAnimatedNodeValue(this.__getNativeTag());
this.__nativeAnimatedValueListener = NativeAnimatedHelper.nativeEventEmitter.addListener('onAnimatedValueUpdate', function (data) {
if (data.tag !== _this.__getNativeTag()) {
return;
}
_this._onAnimatedValueUpdateReceived(data.value);
});
};
_proto._onAnimatedValueUpdateReceived = function _onAnimatedValueUpdateReceived(value) {
this.__callListeners(value);
};
_proto.__callListeners = function __callListeners(value) {
for (var _key in this._listeners) {
this._listeners[_key]({
value: value
});
}
};
_proto._stopListeningForNativeValueUpdates = function _stopListeningForNativeValueUpdates() {
if (!this.__nativeAnimatedValueListener) {
return;
}
this.__nativeAnimatedValueListener.remove();
this.__nativeAnimatedValueListener = null;
NativeAnimatedAPI.stopListeningToAnimatedNodeValue(this.__getNativeTag());
};
_proto.__getNativeTag = function __getNativeTag() {
var _this$__nativeTag;
NativeAnimatedHelper.assertNativeAnimatedModule();
invariant(this.__isNative, 'Attempt to get native tag from node not marked as "native"');
var nativeTag = (_this$__nativeTag = this.__nativeTag) !== null && _this$__nativeTag !== void 0 ? _this$__nativeTag : NativeAnimatedHelper.generateNewNodeTag();
if (this.__nativeTag == null) {
this.__nativeTag = nativeTag;
NativeAnimatedHelper.API.createAnimatedNode(nativeTag, this.__getNativeConfig());
this.__shouldUpdateListenersForNewNativeTag = true;
}
return nativeTag;
};
_proto.__getNativeConfig = function __getNativeConfig() {
throw new Error('This JS animated node type cannot be used as native animated node');
};
_proto.toJSON = function toJSON() {
return this.__getValue();
};
return AnimatedNode;
}();
export default AnimatedNode;