react-native/Libraries/ReactIOS/NativeMethodsMixin.js

124 lines
3.6 KiB
JavaScript

/**
* Copyright 2004-present Facebook. All Rights Reserved.
*
* @providesModule NativeMethodsMixin
*/
'use strict';
var NativeModules = require('NativeModules');
var NativeModulesDeprecated = require('NativeModulesDeprecated');
var RKUIManager = NativeModules.RKUIManager;
var RKUIManagerDeprecated = NativeModulesDeprecated.RKUIManager;
var RKPOPAnimationManagerDeprecated = NativeModulesDeprecated.RKPOPAnimationManager;
var TextInputState = require('TextInputState');
var flattenStyle = require('flattenStyle');
var invariant = require('invariant');
var mergeFast = require('mergeFast');
var animationIDInvariant = function(funcName, anim) {
invariant(
anim,
funcName + ' must be called with a valid animation ID returned from' +
' POPAnimation.createAnimation, received: "' + anim + '"'
);
};
var NativeMethodsMixin = {
addAnimation: function(anim, callback) {
animationIDInvariant('addAnimation', anim);
RKPOPAnimationManagerDeprecated.addAnimation(this.getNodeHandle(), anim, callback);
},
removeAnimation: function(anim) {
animationIDInvariant('removeAnimation', anim);
RKPOPAnimationManagerDeprecated.removeAnimation(this.getNodeHandle(), anim);
},
measure: function(callback) {
RKUIManagerDeprecated.measure(this.getNodeHandle(), callback);
},
measureLayout: function(relativeToNativeNode, onSuccess, onFail) {
RKUIManager.measureLayout(
this.getNodeHandle(),
relativeToNativeNode,
onFail,
onSuccess
);
},
/**
* This function sends props straight to native. They will not participate
* in future diff process, this means that if you do not include them in the
* next render, they will remain active.
*/
setNativeProps: function(nativeProps) {
// nativeProps contains a style attribute that's going to be flattened
// and all the attributes expanded in place. In order to make this
// process do as few allocations and copies as possible, we return
// one if the other is empty. Only if both have values then we create
// a new object and merge.
var hasOnlyStyle = true;
for (var key in nativeProps) {
if (key !== 'style') {
hasOnlyStyle = false;
break;
}
}
var style = flattenStyle(nativeProps.style);
var props = null;
if (hasOnlyStyle) {
props = style;
} else if (!style) {
props = nativeProps;
} else {
props = mergeFast(nativeProps, style);
}
RKUIManagerDeprecated.updateView(
this.getNodeHandle(),
this.viewConfig.uiViewClassName,
props
);
},
focus: function() {
TextInputState.focusTextInput(this.getNodeHandle());
},
blur: function() {
TextInputState.blurTextInput(this.getNodeHandle());
}
};
function throwOnStylesProp(component, props) {
if (props.styles !== undefined) {
var owner = component._owner || null;
var name = component.constructor.displayName;
var msg = '`styles` is not a supported property of `' + name + '`, did ' +
'you mean `style` (singular)?';
if (owner && owner.constructor && owner.constructor.displayName) {
msg += '\n\nCheck the `' + owner.constructor.displayName + '` parent ' +
' component.';
}
throw new Error(msg);
}
}
if (__DEV__) {
invariant(
!NativeMethodsMixin.componentWillMount &&
!NativeMethodsMixin.componentWillReceiveProps,
'Do not override existing functions.'
);
NativeMethodsMixin.componentWillMount = function () {
throwOnStylesProp(this, this.props);
};
NativeMethodsMixin.componentWillReceiveProps = function (newProps) {
throwOnStylesProp(this, newProps);
};
}
module.exports = NativeMethodsMixin;