react-native/Libraries/Components/MapView/MapView.js

188 lines
5.4 KiB
JavaScript
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

/**
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*
* @providesModule MapView
* @flow
*/
'use strict';
var EdgeInsetsPropType = require('EdgeInsetsPropType');
var NativeMethodsMixin = require('NativeMethodsMixin');
var Platform = require('Platform');
var React = require('React');
var ReactNativeViewAttributes = require('ReactNativeViewAttributes');
var View = require('View');
var createReactNativeComponentClass = require('createReactNativeComponentClass');
var deepDiffer = require('deepDiffer');
var insetsDiffer = require('insetsDiffer');
var merge = require('merge');
var requireNativeComponent = require('requireNativeComponent');
type Event = Object;
type MapRegion = {
latitude: number;
longitude: number;
latitudeDelta: number;
longitudeDelta: number;
};
var MapView = React.createClass({
mixins: [NativeMethodsMixin],
propTypes: {
/**
* Used to style and layout the `MapView`. See `StyleSheet.js` and
* `ViewStylePropTypes.js` for more info.
*/
style: View.propTypes.style,
/**
* If `true` the app will ask for the user's location and focus on it.
* Default value is `false`.
*
* **NOTE**: You need to add NSLocationWhenInUseUsageDescription key in
* Info.plist to enable geolocation, otherwise it is going
* to *fail silently*!
*/
showsUserLocation: React.PropTypes.bool,
/**
* If `false` the user won't be able to pinch/zoom the map.
* Default `value` is true.
*/
zoomEnabled: React.PropTypes.bool,
/**
* When this property is set to `true` and a valid camera is associated with
* the map, the cameras heading angle is used to rotate the plane of the
* map around its center point. When this property is set to `false`, the
* cameras heading angle is ignored and the map is always oriented so
* that true north is situated at the top of the map view
*/
rotateEnabled: React.PropTypes.bool,
/**
* When this property is set to `true` and a valid camera is associated
* with the map, the cameras pitch angle is used to tilt the plane
* of the map. When this property is set to `false`, the cameras pitch
* angle is ignored and the map is always displayed as if the user
* is looking straight down onto it.
*/
pitchEnabled: React.PropTypes.bool,
/**
* If `false` the user won't be able to change the map region being displayed.
* Default value is `true`.
*/
scrollEnabled: React.PropTypes.bool,
/**
* The region to be displayed by the map.
*
* The region is defined by the center coordinates and the span of
* coordinates to display.
*/
region: React.PropTypes.shape({
/**
* Coordinates for the center of the map.
*/
latitude: React.PropTypes.number.isRequired,
longitude: React.PropTypes.number.isRequired,
/**
* Distance between the minimun and the maximum latitude/longitude
* to be displayed.
*/
latitudeDelta: React.PropTypes.number.isRequired,
longitudeDelta: React.PropTypes.number.isRequired,
}),
/**
* Map annotations with title/subtitle.
*/
annotations: React.PropTypes.arrayOf(React.PropTypes.shape({
/**
* The location of the annotation.
*/
latitude: React.PropTypes.number.isRequired,
longitude: React.PropTypes.number.isRequired,
/**
* Annotation title/subtile.
*/
title: React.PropTypes.string,
subtitle: React.PropTypes.string,
})),
/**
* Maximum size of area that can be displayed.
*/
maxDelta: React.PropTypes.number,
/**
* Minimum size of area that can be displayed.
*/
minDelta: React.PropTypes.number,
/**
* Insets for the map's legal label, originally at bottom left of the map.
* See `EdgeInsetsPropType.js` for more information.
*/
legalLabelInsets: EdgeInsetsPropType,
/**
* Callback that is called continuously when the user is dragging the map.
*/
onRegionChange: React.PropTypes.func,
/**
* Callback that is called once, when the user is done moving the map.
*/
onRegionChangeComplete: React.PropTypes.func,
},
_onChange: function(event: Event) {
if (event.nativeEvent.continuous) {
this.props.onRegionChange &&
this.props.onRegionChange(event.nativeEvent.region);
} else {
this.props.onRegionChangeComplete &&
this.props.onRegionChangeComplete(event.nativeEvent.region);
}
},
render: function() {
return <RCTMap {...this.props} onChange={this._onChange} />;
},
});
if (Platform.OS === 'android') {
var RCTMap = createReactNativeComponentClass({
validAttributes: merge(
ReactNativeViewAttributes.UIView, {
showsUserLocation: true,
zoomEnabled: true,
rotateEnabled: true,
pitchEnabled: true,
scrollEnabled: true,
region: {diff: deepDiffer},
annotations: {diff: deepDiffer},
maxDelta: true,
minDelta: true,
legalLabelInsets: {diff: insetsDiffer},
}
),
uiViewClassName: 'RCTMap',
});
} else {
var RCTMap = requireNativeComponent('RCTMap', MapView);
}
module.exports = MapView;