943 lines
28 KiB
JavaScript
943 lines
28 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 NavigatorIOS
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* @flow
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*/
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'use strict';
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var EventEmitter = require('EventEmitter');
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var Image = require('Image');
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var NavigationContext = require('NavigationContext');
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var RCTNavigatorManager = require('NativeModules').NavigatorManager;
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var React = require('React');
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var ReactNative = require('ReactNative');
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var StaticContainer = require('StaticContainer.react');
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var StyleSheet = require('StyleSheet');
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var TVEventHandler = require('TVEventHandler');
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var View = require('View');
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var invariant = require('fbjs/lib/invariant');
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var logError = require('logError');
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var requireNativeComponent = require('requireNativeComponent');
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const keyMirror = require('fbjs/lib/keyMirror');
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var TRANSITIONER_REF = 'transitionerRef';
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var PropTypes = React.PropTypes;
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var __uid = 0;
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function getuid() {
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return __uid++;
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}
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class NavigatorTransitionerIOS extends React.Component {
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requestSchedulingNavigation(cb) {
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RCTNavigatorManager.requestSchedulingJavaScriptNavigation(
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ReactNative.findNodeHandle(this),
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logError,
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cb
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);
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}
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render() {
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return (
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<RCTNavigator {...this.props}/>
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);
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}
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}
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const SystemIconLabels = {
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done: true,
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cancel: true,
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edit: true,
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save: true,
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add: true,
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compose: true,
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reply: true,
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action: true,
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organize: true,
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bookmarks: true,
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search: true,
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refresh: true,
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stop: true,
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camera: true,
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trash: true,
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play: true,
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pause: true,
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rewind: true,
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'fast-forward': true,
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undo: true,
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redo: true,
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'page-curl': true,
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};
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const SystemIcons = keyMirror(SystemIconLabels);
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type SystemButtonType = $Enum<typeof SystemIconLabels>;
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type Route = {
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component: Function,
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title: string,
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titleImage?: Object,
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passProps?: Object,
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backButtonTitle?: string,
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backButtonIcon?: Object,
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leftButtonTitle?: string,
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leftButtonIcon?: Object,
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leftButtonSystemIcon?: SystemButtonType,
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onLeftButtonPress?: Function,
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rightButtonTitle?: string,
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rightButtonIcon?: Object,
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rightButtonSystemIcon?: SystemButtonType,
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onRightButtonPress?: Function,
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wrapperStyle?: any,
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};
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type State = {
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idStack: Array<number>,
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routeStack: Array<Route>,
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requestedTopOfStack: number,
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observedTopOfStack: number,
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progress: number,
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fromIndex: number,
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toIndex: number,
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makingNavigatorRequest: boolean,
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updatingAllIndicesAtOrBeyond: ?number,
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}
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type Event = Object;
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/**
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* Think of `<NavigatorIOS>` as simply a component that renders an
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* `RCTNavigator`, and moves the `RCTNavigator`'s `requestedTopOfStack` pointer
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* forward and backward. The `RCTNavigator` interprets changes in
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* `requestedTopOfStack` to be pushes and pops of children that are rendered.
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* `<NavigatorIOS>` always ensures that whenever the `requestedTopOfStack`
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* pointer is moved, that we've also rendered enough children so that the
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* `RCTNavigator` can carry out the push/pop with those children.
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* `<NavigatorIOS>` also removes children that will no longer be needed
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* (after the pop of a child has been fully completed/animated out).
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*/
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/**
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* `NavigatorIOS` is a wrapper around
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* [`UINavigationController`](https://developer.apple.com/library/ios/documentation/UIKit/Reference/UINavigationController_Class/),
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* enabling you to implement a navigation stack. It works exactly the same as it
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* would on a native app using `UINavigationController`, providing the same
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* animations and behavior from UIKIt.
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*
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* As the name implies, it is only available on iOS. Take a look at
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* [`Navigator`](/react-native/docs/navigator.html) for a similar solution for your
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* cross-platform needs, or check out
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* [react-native-navigation](https://github.com/wix/react-native-navigation), a
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* component that aims to provide native navigation on both iOS and Android.
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*
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* To set up the navigator, provide the `initialRoute` prop with a route
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* object. A route object is used to describe each scene that your app
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* navigates to. `initialRoute` represents the first route in your navigator.
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*
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* ```
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* import React, { Component, PropTypes } from 'react';
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* import { NavigatorIOS, Text } from 'react-native';
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*
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* export default class NavigatorIOSApp extends Component {
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* render() {
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* return (
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* <NavigatorIOS
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* initialRoute={{
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* component: MyScene,
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* title: 'My Initial Scene',
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* }}
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* style={{flex: 1}}
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* />
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* );
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* }
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* }
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*
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* class MyScene extends Component {
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* static propTypes = {
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* title: PropTypes.string.isRequired,
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* navigator: PropTypes.object.isRequired,
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* }
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*
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* _onForward = () => {
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* this.props.navigator.push({
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* title: 'Scene ' + nextIndex,
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* });
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* }
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*
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* render() {
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* return (
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* <View>
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* <Text>Current Scene: { this.props.title }</Text>
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* <TouchableHighlight onPress={this._onForward}>
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* <Text>Tap me to load the next scene</Text>
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* </TouchableHighlight>
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* </View>
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* )
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* }
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* }
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* ```
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*
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* In this code, the navigator renders the component specified in initialRoute,
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* which in this case is `MyScene`. This component will receive a `route` prop
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* and a `navigator` prop representing the navigator. The navigator's navigation
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* bar will render the title for the current scene, "My Initial Scene".
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*
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* You can optionally pass in a `passProps` property to your `initialRoute`.
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* `NavigatorIOS` passes this in as props to the rendered component:
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*
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* ```
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* initialRoute={{
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* component: MyScene,
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* title: 'My Initial Scene',
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* passProps: { myProp: 'foo' }
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* }}
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* ```
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*
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* You can then access the props passed in via `{this.props.myProp}`.
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*
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* #### Handling Navigation
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*
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* To trigger navigation functionality such as pushing or popping a view, you
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* have access to a `navigator` object. The object is passed in as a prop to any
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* component that is rendered by `NavigatorIOS`. You can then call the
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* relevant methods to perform the navigation action you need:
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*
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* ```
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* class MyView extends Component {
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* _handleBackPress() {
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* this.props.navigator.pop();
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* }
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*
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* _handleNextPress(nextRoute) {
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* this.props.navigator.push(nextRoute);
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* }
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*
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* render() {
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* const nextRoute = {
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* component: MyView,
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* title: 'Bar That',
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* passProps: { myProp: 'bar' }
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* };
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* return(
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* <TouchableHighlight onPress={() => this._handleNextPress(nextRoute)}>
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* <Text style={{marginTop: 200, alignSelf: 'center'}}>
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* See you on the other nav {this.props.myProp}!
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* </Text>
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* </TouchableHighlight>
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* );
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* }
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* }
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* ```
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*
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* You can also trigger navigator functionality from the `NavigatorIOS`
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* component:
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*
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* ```
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* class NavvyIOS extends Component {
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* _handleNavigationRequest() {
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* this.refs.nav.push({
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* component: MyView,
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* title: 'Genius',
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* passProps: { myProp: 'genius' },
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* });
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* }
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*
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* render() {
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* return (
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* <NavigatorIOS
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* ref='nav'
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* initialRoute={{
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* component: MyView,
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* title: 'Foo This',
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* passProps: { myProp: 'foo' },
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* rightButtonTitle: 'Add',
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* onRightButtonPress: () => this._handleNavigationRequest(),
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* }}
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* style={{flex: 1}}
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* />
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* );
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* }
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* }
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* ```
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*
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* The code above adds a `_handleNavigationRequest` private method that is
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* invoked from the `NavigatorIOS` component when the right navigation bar item
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* is pressed. To get access to the navigator functionality, a reference to it
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* is saved in the `ref` prop and later referenced to push a new scene into the
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* navigation stack.
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*
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* #### Navigation Bar Configuration
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*
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* Props passed to `NavigatorIOS` will set the default configuration
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* for the navigation bar. Props passed as properties to a route object will set
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* the configuration for that route's navigation bar, overriding any props
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* passed to the `NavigatorIOS` component.
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*
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* ```
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* _handleNavigationRequest() {
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* this.refs.nav.push({
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* //...
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* passProps: { myProp: 'genius' },
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* barTintColor: '#996699',
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* });
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* }
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*
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* render() {
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* return (
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* <NavigatorIOS
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* //...
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* style={{flex: 1}}
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* barTintColor='#ffffcc'
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* />
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* );
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* }
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* ```
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*
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* In the example above the navigation bar color is changed when the new route
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* is pushed.
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*
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*/
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var NavigatorIOS = React.createClass({
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propTypes: {
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/**
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* NavigatorIOS uses `route` objects to identify child views, their props,
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* and navigation bar configuration. Navigation operations such as push
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* operations expect routes to look like this the `initialRoute`.
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*/
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initialRoute: PropTypes.shape({
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/**
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* The React Class to render for this route
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*/
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component: PropTypes.func.isRequired,
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/**
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* The title displayed in the navigation bar and the back button for this
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* route.
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*/
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title: PropTypes.string.isRequired,
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/**
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* If set, a title image will appear instead of the text title.
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*/
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titleImage: Image.propTypes.source,
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/**
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* Use this to specify additional props to pass to the rendered
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* component. `NavigatorIOS` will automatically pass in `route` and
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* `navigator` props to the comoponent.
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*/
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passProps: PropTypes.object,
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/**
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* If set, the left navigation button image will be displayed using this
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* source. Note that this doesn't apply to the header of the current
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* view, but to those views that are subsequently pushed.
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*/
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backButtonIcon: Image.propTypes.source,
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/**
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* If set, the left navigation button text will be set to this. Note that
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* this doesn't apply to the left button of the current view, but to
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* those views that are subsequently pushed
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*/
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backButtonTitle: PropTypes.string,
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/**
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* If set, the left navigation button image will be displayed using
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* this source.
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*/
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leftButtonIcon: Image.propTypes.source,
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/**
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* If set, the left navigation button will display this text.
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*/
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leftButtonTitle: PropTypes.string,
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/**
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* If set, the left header button will appear with this system icon
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*
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* Supported icons are `done`, `cancel`, `edit`, `save`, `add`,
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* `compose`, `reply`, `action`, `organize`, `bookmarks`, `search`,
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* `refresh`, `stop`, `camera`, `trash`, `play`, `pause`, `rewind`,
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* `fast-forward`, `undo`, `redo`, and `page-curl`
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*/
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leftButtonSystemIcon: PropTypes.oneOf(Object.keys(SystemIcons)),
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/**
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* This function will be invoked when the left navigation bar item is
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* pressed.
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*/
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onLeftButtonPress: PropTypes.func,
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/**
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* If set, the right navigation button image will be displayed using
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* this source.
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*/
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rightButtonIcon: Image.propTypes.source,
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/**
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* If set, the right navigation button will display this text.
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*/
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rightButtonTitle: PropTypes.string,
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/**
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* If set, the right header button will appear with this system icon
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*
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* See leftButtonSystemIcon for supported icons
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*/
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rightButtonSystemIcon: PropTypes.oneOf(Object.keys(SystemIcons)),
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/**
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* This function will be invoked when the right navigation bar item is
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* pressed.
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*/
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onRightButtonPress: PropTypes.func,
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/**
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* Styles for the navigation item containing the component.
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*/
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wrapperStyle: View.propTypes.style,
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/**
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* Boolean value that indicates whether the navigation bar is hidden.
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*/
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navigationBarHidden: PropTypes.bool,
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/**
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* Boolean value that indicates whether to hide the 1px hairline
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* shadow.
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*/
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shadowHidden: PropTypes.bool,
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/**
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* The color used for the buttons in the navigation bar.
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*/
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tintColor: PropTypes.string,
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/**
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* The background color of the navigation bar.
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*/
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barTintColor: PropTypes.string,
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/**
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* The text color of the navigation bar title.
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*/
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titleTextColor: PropTypes.string,
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/**
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* Bboolean value that indicates whether the navigation bar is
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* translucent.
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*/
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translucent: PropTypes.bool,
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}).isRequired,
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/**
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* Boolean value that indicates whether the navigation bar is hidden
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* by default.
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*/
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navigationBarHidden: PropTypes.bool,
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/**
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* Boolean value that indicates whether to hide the 1px hairline shadow
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* by default.
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*/
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shadowHidden: PropTypes.bool,
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/**
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* The default wrapper style for components in the navigator.
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* A common use case is to set the `backgroundColor` for every scene.
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*/
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itemWrapperStyle: View.propTypes.style,
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/**
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* The default color used for the buttons in the navigation bar.
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*/
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tintColor: PropTypes.string,
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/**
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* The default background color of the navigation bar.
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*/
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barTintColor: PropTypes.string,
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/**
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* The default text color of the navigation bar title.
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*/
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titleTextColor: PropTypes.string,
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/**
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* Boolean value that indicates whether the navigation bar is
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* translucent by default
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*/
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translucent: PropTypes.bool,
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|
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/**
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* Boolean value that indicates whether the interactive pop gesture is
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* enabled. This is useful for enabling/disabling the back swipe navigation
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* gesture.
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*
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* If this prop is not provided, the default behavior is for the back swipe
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* gesture to be enabled when the navigation bar is shown and disabled when
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* the navigation bar is hidden. Once you've provided the
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* `interactivePopGestureEnabled` prop, you can never restore the default
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* behavior.
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*/
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interactivePopGestureEnabled: PropTypes.bool,
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},
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navigator: (undefined: ?Object),
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navigationContext: new NavigationContext(),
|
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|
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componentWillMount: function() {
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// Precompute a pack of callbacks that's frequently generated and passed to
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// instances.
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this.navigator = {
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push: this.push,
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pop: this.pop,
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popN: this.popN,
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replace: this.replace,
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replaceAtIndex: this.replaceAtIndex,
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replacePrevious: this.replacePrevious,
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replacePreviousAndPop: this.replacePreviousAndPop,
|
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resetTo: this.resetTo,
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popToRoute: this.popToRoute,
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popToTop: this.popToTop,
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navigationContext: this.navigationContext,
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};
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this._emitWillFocus(this.state.routeStack[this.state.observedTopOfStack]);
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},
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componentDidMount: function() {
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this._emitDidFocus(this.state.routeStack[this.state.observedTopOfStack]);
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this._enableTVEventHandler();
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},
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componentWillUnmount: function() {
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this.navigationContext.dispose();
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this.navigationContext = new NavigationContext();
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this._disableTVEventHandler();
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},
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|
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getDefaultProps: function(): Object {
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return {
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translucent: true,
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};
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},
|
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|
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getInitialState: function(): State {
|
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return {
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idStack: [getuid()],
|
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routeStack: [this.props.initialRoute],
|
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// The navigation index that we wish to push/pop to.
|
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requestedTopOfStack: 0,
|
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// The last index that native has sent confirmation of completed push/pop
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// for. At this point, we can discard any views that are beyond the
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// `requestedTopOfStack`. A value of `null` means we have not received
|
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// any confirmation, ever. We may receive an `observedTopOfStack` without
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// ever requesting it - native can instigate pops of its own with the
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// backswipe gesture.
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observedTopOfStack: 0,
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progress: 1,
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fromIndex: 0,
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toIndex: 0,
|
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// Whether or not we are making a navigator request to push/pop. (Used
|
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// for performance optimization).
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makingNavigatorRequest: false,
|
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// Whether or not we are updating children of navigator and if so (not
|
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// `null`) which index marks the beginning of all updates. Used for
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// performance optimization.
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updatingAllIndicesAtOrBeyond: 0,
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};
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},
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|
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_toFocusOnNavigationComplete: (undefined: any),
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|
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_handleFocusRequest: function(item: any) {
|
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if (this.state.makingNavigatorRequest) {
|
|
this._toFocusOnNavigationComplete = item;
|
|
} else {
|
|
this._getFocusEmitter().emit('focus', item);
|
|
}
|
|
},
|
|
|
|
_focusEmitter: (undefined: ?EventEmitter),
|
|
|
|
_getFocusEmitter: function(): EventEmitter {
|
|
// Flow not yet tracking assignments to instance fields.
|
|
var focusEmitter = this._focusEmitter;
|
|
if (!focusEmitter) {
|
|
focusEmitter = new EventEmitter();
|
|
this._focusEmitter = focusEmitter;
|
|
}
|
|
return focusEmitter;
|
|
},
|
|
|
|
getChildContext: function(): {
|
|
onFocusRequested: Function,
|
|
focusEmitter: EventEmitter,
|
|
} {
|
|
return {
|
|
onFocusRequested: this._handleFocusRequest,
|
|
focusEmitter: this._getFocusEmitter(),
|
|
};
|
|
},
|
|
|
|
childContextTypes: {
|
|
onFocusRequested: React.PropTypes.func,
|
|
focusEmitter: React.PropTypes.instanceOf(EventEmitter),
|
|
},
|
|
|
|
_tryLockNavigator: function(cb: () => void) {
|
|
this.refs[TRANSITIONER_REF].requestSchedulingNavigation(
|
|
(acquiredLock) => acquiredLock && cb()
|
|
);
|
|
},
|
|
|
|
_handleNavigatorStackChanged: function(e: Event) {
|
|
var newObservedTopOfStack = e.nativeEvent.stackLength - 1;
|
|
this._emitDidFocus(this.state.routeStack[newObservedTopOfStack]);
|
|
|
|
invariant(
|
|
newObservedTopOfStack <= this.state.requestedTopOfStack,
|
|
'No navigator item should be pushed without JS knowing about it %s %s', newObservedTopOfStack, this.state.requestedTopOfStack
|
|
);
|
|
var wasWaitingForConfirmation =
|
|
this.state.requestedTopOfStack !== this.state.observedTopOfStack;
|
|
if (wasWaitingForConfirmation) {
|
|
invariant(
|
|
newObservedTopOfStack === this.state.requestedTopOfStack,
|
|
'If waiting for observedTopOfStack to reach requestedTopOfStack, ' +
|
|
'the only valid observedTopOfStack should be requestedTopOfStack.'
|
|
);
|
|
}
|
|
// Mark the most recent observation regardless of if we can lock the
|
|
// navigator. `observedTopOfStack` merely represents what we've observed
|
|
// and this first `setState` is only executed to update debugging
|
|
// overlays/navigation bar.
|
|
// Also reset progress, toIndex, and fromIndex as they might not end
|
|
// in the correct states for a two possible reasons:
|
|
// Progress isn't always 0 or 1 at the end, the system rounds
|
|
// If the Navigator is offscreen these values won't be updated
|
|
// TOOD: Revisit this decision when no longer relying on native navigator.
|
|
var nextState = {
|
|
observedTopOfStack: newObservedTopOfStack,
|
|
makingNavigatorRequest: false,
|
|
updatingAllIndicesAtOrBeyond: null,
|
|
progress: 1,
|
|
toIndex: newObservedTopOfStack,
|
|
fromIndex: newObservedTopOfStack,
|
|
};
|
|
this.setState(nextState, this._eliminateUnneededChildren);
|
|
},
|
|
|
|
_eliminateUnneededChildren: function() {
|
|
// Updating the indices that we're deleting and that's all. (Truth: Nothing
|
|
// even uses the indices in this case, but let's make this describe the
|
|
// truth anyways).
|
|
var updatingAllIndicesAtOrBeyond =
|
|
this.state.routeStack.length > this.state.observedTopOfStack + 1 ?
|
|
this.state.observedTopOfStack + 1 :
|
|
null;
|
|
this.setState({
|
|
idStack: this.state.idStack.slice(0, this.state.observedTopOfStack + 1),
|
|
routeStack: this.state.routeStack.slice(0, this.state.observedTopOfStack + 1),
|
|
// Now we rerequest the top of stack that we observed.
|
|
requestedTopOfStack: this.state.observedTopOfStack,
|
|
makingNavigatorRequest: true,
|
|
updatingAllIndicesAtOrBeyond: updatingAllIndicesAtOrBeyond,
|
|
});
|
|
},
|
|
|
|
_emitDidFocus: function(route: Route) {
|
|
this.navigationContext.emit('didfocus', {route: route});
|
|
},
|
|
|
|
_emitWillFocus: function(route: Route) {
|
|
this.navigationContext.emit('willfocus', {route: route});
|
|
},
|
|
|
|
/**
|
|
* Navigate forward to a new route.
|
|
* @param route The new route to navigate to.
|
|
*/
|
|
push: function(route: Route) {
|
|
invariant(!!route, 'Must supply route to push');
|
|
// Make sure all previous requests are caught up first. Otherwise reject.
|
|
if (this.state.requestedTopOfStack === this.state.observedTopOfStack) {
|
|
this._tryLockNavigator(() => {
|
|
this._emitWillFocus(route);
|
|
|
|
var nextStack = this.state.routeStack.concat([route]);
|
|
var nextIDStack = this.state.idStack.concat([getuid()]);
|
|
this.setState({
|
|
// We have to make sure that we've also supplied enough views to
|
|
// satisfy our request to adjust the `requestedTopOfStack`.
|
|
idStack: nextIDStack,
|
|
routeStack: nextStack,
|
|
requestedTopOfStack: nextStack.length - 1,
|
|
makingNavigatorRequest: true,
|
|
updatingAllIndicesAtOrBeyond: nextStack.length - 1,
|
|
});
|
|
});
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Go back N scenes at once. When N=1, behavior matches `pop()`.
|
|
* @param n The number of scenes to pop.
|
|
*/
|
|
popN: function(n: number) {
|
|
if (n === 0) {
|
|
return;
|
|
}
|
|
// Make sure all previous requests are caught up first. Otherwise reject.
|
|
if (this.state.requestedTopOfStack === this.state.observedTopOfStack) {
|
|
if (this.state.requestedTopOfStack > 0) {
|
|
this._tryLockNavigator(() => {
|
|
var newRequestedTopOfStack = this.state.requestedTopOfStack - n;
|
|
invariant(newRequestedTopOfStack >= 0, 'Cannot pop below 0');
|
|
this._emitWillFocus(this.state.routeStack[newRequestedTopOfStack]);
|
|
this.setState({
|
|
requestedTopOfStack: newRequestedTopOfStack,
|
|
makingNavigatorRequest: true,
|
|
updatingAllIndicesAtOrBeyond: this.state.requestedTopOfStack - n,
|
|
});
|
|
});
|
|
}
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Pop back to the previous scene.
|
|
*/
|
|
pop: function() {
|
|
this.popN(1);
|
|
},
|
|
|
|
/**
|
|
* Replace a route in the navigation stack.
|
|
*
|
|
* @param route The new route that will replace the specified one.
|
|
* @param index The route into the stack that should be replaced.
|
|
* If it is negative, it counts from the back of the stack.
|
|
*/
|
|
replaceAtIndex: function(route: Route, index: number) {
|
|
invariant(!!route, 'Must supply route to replace');
|
|
if (index < 0) {
|
|
index += this.state.routeStack.length;
|
|
}
|
|
|
|
if (this.state.routeStack.length <= index) {
|
|
return;
|
|
}
|
|
|
|
// I don't believe we need to lock for a replace since there's no
|
|
// navigation actually happening
|
|
var nextIDStack = this.state.idStack.slice();
|
|
var nextRouteStack = this.state.routeStack.slice();
|
|
nextIDStack[index] = getuid();
|
|
nextRouteStack[index] = route;
|
|
|
|
this.setState({
|
|
idStack: nextIDStack,
|
|
routeStack: nextRouteStack,
|
|
makingNavigatorRequest: false,
|
|
updatingAllIndicesAtOrBeyond: index,
|
|
});
|
|
|
|
this._emitWillFocus(route);
|
|
this._emitDidFocus(route);
|
|
},
|
|
|
|
/**
|
|
* Replace the route for the current scene and immediately
|
|
* load the view for the new route.
|
|
* @param route The new route to navigate to.
|
|
*/
|
|
replace: function(route: Route) {
|
|
this.replaceAtIndex(route, -1);
|
|
},
|
|
|
|
/**
|
|
* Replace the route/view for the previous scene.
|
|
* @param route The new route to will replace the previous scene.
|
|
*/
|
|
replacePrevious: function(route: Route) {
|
|
this.replaceAtIndex(route, -2);
|
|
},
|
|
|
|
/**
|
|
* Go back to the topmost item in the navigation stack.
|
|
*/
|
|
popToTop: function() {
|
|
this.popToRoute(this.state.routeStack[0]);
|
|
},
|
|
|
|
/**
|
|
* Go back to the item for a particular route object.
|
|
* @param route The new route to navigate to.
|
|
*/
|
|
popToRoute: function(route: Route) {
|
|
var indexOfRoute = this.state.routeStack.indexOf(route);
|
|
invariant(
|
|
indexOfRoute !== -1,
|
|
'Calling pop to route for a route that doesn\'t exist!'
|
|
);
|
|
var numToPop = this.state.routeStack.length - indexOfRoute - 1;
|
|
this.popN(numToPop);
|
|
},
|
|
|
|
/**
|
|
* Replaces the previous route/view and transitions back to it.
|
|
* @param route The new route that replaces the previous scene.
|
|
*/
|
|
replacePreviousAndPop: function(route: Route) {
|
|
// Make sure all previous requests are caught up first. Otherwise reject.
|
|
if (this.state.requestedTopOfStack !== this.state.observedTopOfStack) {
|
|
return;
|
|
}
|
|
if (this.state.routeStack.length < 2) {
|
|
return;
|
|
}
|
|
this._tryLockNavigator(() => {
|
|
this.replacePrevious(route);
|
|
this.setState({
|
|
requestedTopOfStack: this.state.requestedTopOfStack - 1,
|
|
makingNavigatorRequest: true,
|
|
});
|
|
});
|
|
},
|
|
|
|
/**
|
|
* Replaces the top item and pop to it.
|
|
* @param route The new route that will replace the topmost item.
|
|
*/
|
|
resetTo: function(route: Route) {
|
|
invariant(!!route, 'Must supply route to push');
|
|
// Make sure all previous requests are caught up first. Otherwise reject.
|
|
if (this.state.requestedTopOfStack !== this.state.observedTopOfStack) {
|
|
return;
|
|
}
|
|
this.replaceAtIndex(route, 0);
|
|
this.popToRoute(route);
|
|
},
|
|
|
|
_handleNavigationComplete: function(e: Event) {
|
|
// Don't propagate to other NavigatorIOS instances this is nested in:
|
|
e.stopPropagation();
|
|
|
|
if (this._toFocusOnNavigationComplete) {
|
|
this._getFocusEmitter().emit('focus', this._toFocusOnNavigationComplete);
|
|
this._toFocusOnNavigationComplete = null;
|
|
}
|
|
this._handleNavigatorStackChanged(e);
|
|
},
|
|
|
|
_routeToStackItem: function(routeArg: Route, i: number) {
|
|
var {component, wrapperStyle, passProps, ...route} = routeArg;
|
|
var {itemWrapperStyle, ...props} = this.props;
|
|
var shouldUpdateChild =
|
|
this.state.updatingAllIndicesAtOrBeyond != null &&
|
|
this.state.updatingAllIndicesAtOrBeyond >= i;
|
|
var Component = component;
|
|
return (
|
|
<StaticContainer key={'nav' + i} shouldUpdate={shouldUpdateChild}>
|
|
<RCTNavigatorItem
|
|
{...props}
|
|
{...route}
|
|
style={[
|
|
styles.stackItem,
|
|
itemWrapperStyle,
|
|
wrapperStyle
|
|
]}>
|
|
<Component
|
|
navigator={this.navigator}
|
|
route={route}
|
|
{...passProps}
|
|
/>
|
|
</RCTNavigatorItem>
|
|
</StaticContainer>
|
|
);
|
|
},
|
|
|
|
_renderNavigationStackItems: function() {
|
|
var shouldRecurseToNavigator =
|
|
this.state.makingNavigatorRequest ||
|
|
this.state.updatingAllIndicesAtOrBeyond !== null;
|
|
// If not recursing update to navigator at all, may as well avoid
|
|
// computation of navigator children.
|
|
var items = shouldRecurseToNavigator ?
|
|
this.state.routeStack.map(this._routeToStackItem) : null;
|
|
return (
|
|
<StaticContainer shouldUpdate={shouldRecurseToNavigator}>
|
|
<NavigatorTransitionerIOS
|
|
ref={TRANSITIONER_REF}
|
|
style={styles.transitioner}
|
|
vertical={this.props.vertical}
|
|
requestedTopOfStack={this.state.requestedTopOfStack}
|
|
onNavigationComplete={this._handleNavigationComplete}
|
|
interactivePopGestureEnabled={this.props.interactivePopGestureEnabled}>
|
|
{items}
|
|
</NavigatorTransitionerIOS>
|
|
</StaticContainer>
|
|
);
|
|
},
|
|
|
|
_tvEventHandler: (undefined: ?TVEventHandler),
|
|
|
|
_enableTVEventHandler: function() {
|
|
this._tvEventHandler = new TVEventHandler();
|
|
this._tvEventHandler.enable(this, function(cmp, evt) {
|
|
if (evt && evt.eventType === 'menu') {
|
|
cmp.pop();
|
|
}
|
|
});
|
|
},
|
|
|
|
_disableTVEventHandler: function() {
|
|
if (this._tvEventHandler) {
|
|
this._tvEventHandler.disable();
|
|
delete this._tvEventHandler;
|
|
}
|
|
},
|
|
|
|
render: function() {
|
|
return (
|
|
<View style={this.props.style}>
|
|
{this._renderNavigationStackItems()}
|
|
</View>
|
|
);
|
|
},
|
|
});
|
|
|
|
var styles = StyleSheet.create({
|
|
stackItem: {
|
|
backgroundColor: 'white',
|
|
overflow: 'hidden',
|
|
position: 'absolute',
|
|
top: 0,
|
|
left: 0,
|
|
right: 0,
|
|
bottom: 0,
|
|
},
|
|
transitioner: {
|
|
flex: 1,
|
|
},
|
|
});
|
|
|
|
var RCTNavigator = requireNativeComponent('RCTNavigator');
|
|
var RCTNavigatorItem = requireNativeComponent('RCTNavItem');
|
|
|
|
module.exports = NavigatorIOS;
|