554 lines
16 KiB
JavaScript
554 lines
16 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 MapView
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* @flow
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*/
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'use strict';
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const ColorPropType = require('ColorPropType');
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const EdgeInsetsPropType = require('EdgeInsetsPropType');
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const Image = require('Image');
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const NativeMethodsMixin = require('react/lib/NativeMethodsMixin');
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const Platform = require('Platform');
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const React = require('React');
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const StyleSheet = require('StyleSheet');
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const View = require('View');
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const deprecatedPropType = require('deprecatedPropType');
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const processColor = require('processColor');
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const resolveAssetSource = require('resolveAssetSource');
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const requireNativeComponent = require('requireNativeComponent');
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type Event = Object;
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/**
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* State an annotation on the map.
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*/
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export type AnnotationDragState = $Enum<{
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/**
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* Annotation is not being touched.
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*/
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idle: string;
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/**
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* Annotation dragging has began.
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*/
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starting: string;
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/**
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* Annotation is being dragged.
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*/
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dragging: string;
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/**
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* Annotation dragging is being canceled.
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*/
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canceling: string;
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/**
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* Annotation dragging has ended.
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*/
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ending: string;
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}>;
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/**
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* **This component is only supported on iOS.**
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*
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* `MapView` is used to display embeddable maps and annotations using
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* `MKMapView`.
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*
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* For a cross-platform solution, check out
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* [react-native-maps](https://github.com/lelandrichardson/react-native-maps)
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* by Leland Richardson.
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*
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* ```
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* import React, { Component } from 'react';
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* import { MapView } from 'react-native';
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*
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* class MapMyRide extends Component {
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* render() {
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* return (
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* <MapView
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* style={{height: 200, margin: 40}}
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* showsUserLocation={true}
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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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*/
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const MapView = React.createClass({
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mixins: [NativeMethodsMixin],
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propTypes: {
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...View.propTypes,
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/**
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* Used to style and layout the `MapView`.
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*/
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style: View.propTypes.style,
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/**
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* If `true` the app will ask for the user's location and display it on
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* the map. Default value is `false`.
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*
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* **NOTE**: You'll need to add the `NSLocationWhenInUseUsageDescription`
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* key in Info.plist to enable geolocation, otherwise it will fail silently.
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*/
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showsUserLocation: React.PropTypes.bool,
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/**
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* If `true` the map will follow the user's location whenever it changes.
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* Note that this has no effect unless `showsUserLocation` is enabled.
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* Default value is `true`.
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*/
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followUserLocation: React.PropTypes.bool,
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/**
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* If `false` points of interest won't be displayed on the map.
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* Default value is `true`.
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*/
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showsPointsOfInterest: React.PropTypes.bool,
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/**
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* If `false`, compass won't be displayed on the map.
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* Default value is `true`.
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*/
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showsCompass: React.PropTypes.bool,
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/**
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* If `false` the user won't be able to pinch/zoom the map.
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* Default value is `true`.
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*/
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zoomEnabled: React.PropTypes.bool,
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/**
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* When this property is set to `true` and a valid camera is associated with
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* the map, the camera's heading angle is used to rotate the plane of the
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* map around its center point.
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*
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* When this property is set to `false`, the
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* camera's heading angle is ignored and the map is always oriented so
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* that true north is situated at the top of the map view
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*/
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rotateEnabled: React.PropTypes.bool,
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/**
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* When this property is set to `true` and a valid camera is associated
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* with the map, the camera's pitch angle is used to tilt the plane
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* of the map.
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*
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* When this property is set to `false`, the camera's pitch
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* angle is ignored and the map is always displayed as if the user
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* is looking straight down onto it.
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*/
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pitchEnabled: React.PropTypes.bool,
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/**
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* If `false` the user won't be able to change the map region being displayed.
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* Default value is `true`.
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*/
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scrollEnabled: React.PropTypes.bool,
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/**
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* The map type to be displayed.
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*
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* - `standard`: Standard road map (default).
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* - `satellite`: Satellite view.
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* - `hybrid`: Satellite view with roads and points of interest overlaid.
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*/
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mapType: React.PropTypes.oneOf([
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'standard',
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'satellite',
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'hybrid',
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]),
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/**
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* The region to be displayed by the map.
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*
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* The region is defined by the center coordinates and the span of
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* coordinates to display.
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*/
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region: React.PropTypes.shape({
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/**
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* Coordinates for the center of the map.
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*/
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latitude: React.PropTypes.number.isRequired,
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longitude: React.PropTypes.number.isRequired,
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/**
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* Distance between the minimum and the maximum latitude/longitude
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* to be displayed.
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*/
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latitudeDelta: React.PropTypes.number,
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longitudeDelta: React.PropTypes.number,
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}),
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/**
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* Map annotations with title and subtitle.
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*/
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annotations: React.PropTypes.arrayOf(React.PropTypes.shape({
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/**
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* The location of the annotation.
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*/
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latitude: React.PropTypes.number.isRequired,
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longitude: React.PropTypes.number.isRequired,
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/**
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* Whether the pin drop should be animated or not
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*/
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animateDrop: React.PropTypes.bool,
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/**
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* Whether the pin should be draggable or not
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*/
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draggable: React.PropTypes.bool,
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/**
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* Event that fires when the annotation drag state changes.
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*/
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onDragStateChange: React.PropTypes.func,
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/**
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* Event that fires when the annotation gets was tapped by the user
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* and the callout view was displayed.
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*/
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onFocus: React.PropTypes.func,
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/**
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* Event that fires when another annotation or the mapview itself
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* was tapped and a previously shown annotation will be closed.
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*/
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onBlur: React.PropTypes.func,
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/**
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* Annotation title and subtile.
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*/
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title: React.PropTypes.string,
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subtitle: React.PropTypes.string,
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/**
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* Callout views.
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*/
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leftCalloutView: React.PropTypes.element,
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rightCalloutView: React.PropTypes.element,
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detailCalloutView: React.PropTypes.element,
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/**
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* The pin color. This can be any valid color string, or you can use one
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* of the predefined PinColors constants. Applies to both standard pins
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* and custom pin images.
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*
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* Note that on iOS 8 and earlier, only the standard PinColor constants
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* are supported for regular pins. For custom pin images, any tintColor
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* value is supported on all iOS versions.
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*/
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tintColor: ColorPropType,
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/**
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* Custom pin image. This must be a static image resource inside the app.
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*/
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image: Image.propTypes.source,
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/**
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* Custom pin view. If set, this replaces the pin or custom pin image.
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*/
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view: React.PropTypes.element,
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/**
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* annotation id
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*/
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id: React.PropTypes.string,
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/**
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* Deprecated. Use the left/right/detailsCalloutView props instead.
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*/
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hasLeftCallout: deprecatedPropType(
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React.PropTypes.bool,
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'Use `leftCalloutView` instead.'
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),
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hasRightCallout: deprecatedPropType(
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React.PropTypes.bool,
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'Use `rightCalloutView` instead.'
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),
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onLeftCalloutPress: deprecatedPropType(
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React.PropTypes.func,
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'Use `leftCalloutView` instead.'
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),
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onRightCalloutPress: deprecatedPropType(
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React.PropTypes.func,
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'Use `rightCalloutView` instead.'
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),
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})),
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/**
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* Map overlays
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*/
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overlays: React.PropTypes.arrayOf(React.PropTypes.shape({
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/**
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* Polyline coordinates
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*/
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coordinates: React.PropTypes.arrayOf(React.PropTypes.shape({
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latitude: React.PropTypes.number.isRequired,
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longitude: React.PropTypes.number.isRequired
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})),
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/**
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* Line attributes
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*/
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lineWidth: React.PropTypes.number,
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strokeColor: ColorPropType,
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fillColor: ColorPropType,
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/**
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* Overlay id
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*/
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id: React.PropTypes.string
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})),
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/**
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* Maximum size of the area that can be displayed.
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*/
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maxDelta: React.PropTypes.number,
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/**
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* Minimum size of the area that can be displayed.
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*/
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minDelta: React.PropTypes.number,
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/**
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* Insets for the map's legal label, originally at bottom left of the map.
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*/
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legalLabelInsets: EdgeInsetsPropType,
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/**
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* Callback that is called continuously when the user is dragging the map.
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*/
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onRegionChange: React.PropTypes.func,
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/**
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* Callback that is called once, when the user is done moving the map.
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*/
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onRegionChangeComplete: React.PropTypes.func,
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/**
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* Deprecated. Use annotation `onFocus` and `onBlur` instead.
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*/
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onAnnotationPress: React.PropTypes.func,
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/**
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* @platform android
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*/
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active: React.PropTypes.bool,
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},
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statics: {
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/**
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* Standard iOS MapView pin color constants, to be used with the
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* `annotation.tintColor` property. On iOS 8 and earlier these are the
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* only supported values when using regular pins. On iOS 9 and later
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* you are not obliged to use these, but they are useful for matching
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* the standard iOS look and feel.
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*/
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PinColors: {
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RED: '#ff3b30',
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GREEN: '#4cd964',
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PURPLE: '#c969e0',
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},
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},
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render: function() {
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let children = [], {annotations, overlays, followUserLocation} = this.props;
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annotations = annotations && annotations.map((annotation: Object) => {
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let {
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id,
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image,
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tintColor,
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view,
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leftCalloutView,
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rightCalloutView,
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detailCalloutView,
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} = annotation;
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if (!view && image && tintColor) {
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view = <Image
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style={{
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tintColor: processColor(tintColor),
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}}
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source={image}
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/>;
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image = undefined;
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}
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if (view) {
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if (image) {
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console.warn('`image` and `view` both set on annotation. Image will be ignored.');
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}
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var viewIndex = children.length;
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children.push(React.cloneElement(view, {
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// $FlowFixMe - An array of styles should be fine
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style: [styles.annotationView, view.props.style || {}]
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}));
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}
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if (leftCalloutView) {
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var leftCalloutViewIndex = children.length;
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children.push(React.cloneElement(leftCalloutView, {
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style: [styles.calloutView, leftCalloutView.props.style || {}]
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}));
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}
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if (rightCalloutView) {
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var rightCalloutViewIndex = children.length;
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children.push(React.cloneElement(rightCalloutView, {
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style: [styles.calloutView, rightCalloutView.props.style || {}]
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}));
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}
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if (detailCalloutView) {
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var detailCalloutViewIndex = children.length;
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children.push(React.cloneElement(detailCalloutView, {
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style: [styles.calloutView, detailCalloutView.props.style || {}]
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}));
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}
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let result = {
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...annotation,
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tintColor: tintColor && processColor(tintColor),
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image,
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viewIndex,
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leftCalloutViewIndex,
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rightCalloutViewIndex,
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detailCalloutViewIndex,
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view: undefined,
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leftCalloutView: undefined,
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rightCalloutView: undefined,
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detailCalloutView: undefined,
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};
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result.id = id || encodeURIComponent(JSON.stringify(result));
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result.image = image && resolveAssetSource(image);
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return result;
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});
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overlays = overlays && overlays.map((overlay: Object) => {
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let {id, fillColor, strokeColor} = overlay;
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let result = {
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...overlay,
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strokeColor: strokeColor && processColor(strokeColor),
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fillColor: fillColor && processColor(fillColor),
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};
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result.id = id || encodeURIComponent(JSON.stringify(result));
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return result;
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});
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const findByAnnotationId = (annotationId: string) => {
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if (!annotations) {
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return null;
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}
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for (let i = 0, l = annotations.length; i < l; i++) {
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if (annotations[i].id === annotationId) {
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return annotations[i];
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}
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}
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return null;
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};
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// TODO: these should be separate events, to reduce bridge traffic
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let onPress, onAnnotationDragStateChange, onAnnotationFocus, onAnnotationBlur;
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if (annotations) {
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onPress = (event: Event) => {
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if (event.nativeEvent.action === 'annotation-click') {
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// TODO: Remove deprecated onAnnotationPress API call later.
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this.props.onAnnotationPress &&
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this.props.onAnnotationPress(event.nativeEvent.annotation);
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} else if (event.nativeEvent.action === 'callout-click') {
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const annotation = findByAnnotationId(event.nativeEvent.annotationId);
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if (annotation) {
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// Pass the right function
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if (event.nativeEvent.side === 'left' && annotation.onLeftCalloutPress) {
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annotation.onLeftCalloutPress(event.nativeEvent);
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} else if (event.nativeEvent.side === 'right' && annotation.onRightCalloutPress) {
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annotation.onRightCalloutPress(event.nativeEvent);
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}
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}
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}
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};
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onAnnotationDragStateChange = (event: Event) => {
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const annotation = findByAnnotationId(event.nativeEvent.annotationId);
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if (annotation) {
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// Call callback
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annotation.onDragStateChange &&
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annotation.onDragStateChange(event.nativeEvent);
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}
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};
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onAnnotationFocus = (event: Event) => {
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const annotation = findByAnnotationId(event.nativeEvent.annotationId);
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if (annotation && annotation.onFocus) {
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annotation.onFocus(event.nativeEvent);
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}
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};
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onAnnotationBlur = (event: Event) => {
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const annotation = findByAnnotationId(event.nativeEvent.annotationId);
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if (annotation && annotation.onBlur) {
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annotation.onBlur(event.nativeEvent);
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}
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};
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}
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// TODO: these should be separate events, to reduce bridge traffic
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if (this.props.onRegionChange || this.props.onRegionChangeComplete) {
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var onChange = (event: Event) => {
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if (event.nativeEvent.continuous) {
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this.props.onRegionChange &&
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this.props.onRegionChange(event.nativeEvent.region);
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} else {
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this.props.onRegionChangeComplete &&
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this.props.onRegionChangeComplete(event.nativeEvent.region);
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}
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};
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}
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// followUserLocation defaults to true if showUserLocation is set
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if (followUserLocation === undefined) {
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followUserLocation = this.props.showUserLocation;
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}
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return (
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<RCTMap
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{...this.props}
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annotations={annotations}
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children={children}
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followUserLocation={followUserLocation}
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overlays={overlays}
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onPress={onPress}
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onChange={onChange}
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onAnnotationDragStateChange={onAnnotationDragStateChange}
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onAnnotationFocus={onAnnotationFocus}
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onAnnotationBlur={onAnnotationBlur}
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/>
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);
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},
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});
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const styles = StyleSheet.create({
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annotationView: {
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position: 'absolute',
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backgroundColor: 'transparent',
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},
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calloutView: {
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position: 'absolute',
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backgroundColor: 'white',
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},
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});
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const RCTMap = requireNativeComponent('RCTMap', MapView, {
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nativeOnly: {
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onAnnotationDragStateChange: true,
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onAnnotationFocus: true,
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onAnnotationBlur: true,
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onChange: true,
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onPress: true
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}
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});
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module.exports = MapView;
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