mirror of
https://github.com/google-map-react/google-map-react.git
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faf67e5e0e
* Accept zoom being 0 * If we set a minZoom, its clear that we want to override it * Oops! Wrong operators
1111 lines
34 KiB
JavaScript
1111 lines
34 KiB
JavaScript
/* eslint-disable import/no-extraneous-dependencies, react/forbid-prop-types, react/no-find-dom-node, no-console */
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import React, { Component } from 'react';
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import PropTypes from 'prop-types';
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import ReactDOM from 'react-dom';
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import shallowEqual from 'fbjs/lib/shallowEqual';
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import MarkerDispatcher from './marker_dispatcher';
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import GoogleMapMap from './google_map_map';
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import GoogleMapMarkers from './google_map_markers';
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import GoogleMapMarkersPrerender from './google_map_markers_prerender';
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import { generateHeatmap, optionsHeatmap } from './google_heatmap';
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import googleMapLoader from './utils/loaders/google_map_loader';
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import detectBrowser from './utils/detect';
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import Geo from './utils/geo';
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import isArraysEqualEps from './utils/array_helper';
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import isPlainObject from './utils/is_plain_object';
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import pick from './utils/pick';
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import raf from './utils/raf';
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import log2 from './utils/math/log2';
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import isNumber from './utils/isNumber';
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import omit from './utils/omit';
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import detectElementResize from './utils/detectElementResize';
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const kEPS = 0.00001;
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const K_GOOGLE_TILE_SIZE = 256;
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// real minZoom calculated here _getMinZoom
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const K_IDLE_TIMEOUT = 100;
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const K_IDLE_CLICK_TIMEOUT = 300;
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const DEFAULT_MIN_ZOOM = 3;
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function defaultOptions_(/* maps */) {
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return {
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overviewMapControl: false,
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streetViewControl: false,
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rotateControl: true,
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mapTypeControl: false,
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// disable poi
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styles: [
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{
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featureType: 'poi',
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elementType: 'labels',
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stylers: [{ visibility: 'off' }],
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},
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],
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minZoom: DEFAULT_MIN_ZOOM, // dynamically recalculted if possible during init
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};
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}
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const latLng2Obj = latLng =>
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isPlainObject(latLng) ? latLng : { lat: latLng[0], lng: latLng[1] };
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const _checkMinZoom = (zoom, minZoom) => {
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if (process.env.NODE_ENV !== 'production') {
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if (zoom < minZoom) {
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console.warn(
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'GoogleMap: ' + // eslint-disable-line
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'minZoom option is less than recommended ' +
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'minZoom option for your map sizes.\n' +
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'overrided to value ' +
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minZoom
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);
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}
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}
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if (minZoom < zoom) {
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return zoom;
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}
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return minZoom;
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};
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const isFullScreen = () =>
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document.fullscreen ||
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document.webkitIsFullScreen ||
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document.mozFullScreen ||
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document.msFullscreenElement;
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export default class GoogleMap extends Component {
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static propTypes = {
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apiKey: PropTypes.string,
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bootstrapURLKeys: PropTypes.any,
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defaultCenter: PropTypes.oneOfType([
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PropTypes.array,
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PropTypes.shape({
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lat: PropTypes.number,
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lng: PropTypes.number,
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}),
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]),
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center: PropTypes.oneOfType([
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PropTypes.array,
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PropTypes.shape({
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lat: PropTypes.number,
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lng: PropTypes.number,
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}),
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]),
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defaultZoom: PropTypes.number,
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zoom: PropTypes.number,
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onBoundsChange: PropTypes.func,
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onChange: PropTypes.func,
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onClick: PropTypes.func,
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onChildClick: PropTypes.func,
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onChildMouseDown: PropTypes.func,
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onChildMouseUp: PropTypes.func,
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onChildMouseMove: PropTypes.func,
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onChildMouseEnter: PropTypes.func,
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onChildMouseLeave: PropTypes.func,
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onZoomAnimationStart: PropTypes.func,
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onZoomAnimationEnd: PropTypes.func,
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onDrag: PropTypes.func,
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onMapTypeIdChange: PropTypes.func,
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options: PropTypes.any,
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distanceToMouse: PropTypes.func,
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hoverDistance: PropTypes.number,
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debounced: PropTypes.bool,
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margin: PropTypes.array,
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googleMapLoader: PropTypes.any,
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onGoogleApiLoaded: PropTypes.func,
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yesIWantToUseGoogleMapApiInternals: PropTypes.bool,
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draggable: PropTypes.bool,
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style: PropTypes.any,
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resetBoundsOnResize: PropTypes.bool,
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layerTypes: PropTypes.arrayOf(PropTypes.string), // ['TransitLayer', 'TrafficLayer']
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};
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static defaultProps = {
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distanceToMouse(pt, mousePos /* , markerProps */) {
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return Math.sqrt(
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(pt.x - mousePos.x) * (pt.x - mousePos.x) +
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(pt.y - mousePos.y) * (pt.y - mousePos.y)
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);
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},
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hoverDistance: 30,
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debounced: true,
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options: defaultOptions_,
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googleMapLoader,
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yesIWantToUseGoogleMapApiInternals: false,
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style: {
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width: '100%',
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height: '100%',
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margin: 0,
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padding: 0,
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position: 'relative',
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},
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layerTypes: [],
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heatmap: {},
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heatmapLibrary: false,
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};
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static googleMapLoader = googleMapLoader; // eslint-disable-line
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constructor(props) {
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super(props);
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this.mounted_ = false;
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this.initialized_ = false;
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this.googleApiLoadedCalled_ = false;
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this.map_ = null;
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this.maps_ = null;
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this.prevBounds_ = null;
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this.heatmap = null;
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this.layers_ = {};
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this.mouse_ = null;
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this.mouseMoveTime_ = 0;
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this.boundingRect_ = null;
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this.mouseInMap_ = true;
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this.dragTime_ = 0;
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this.fireMouseEventOnIdle_ = false;
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this.updateCounter_ = 0;
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this.markersDispatcher_ = new MarkerDispatcher(this);
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this.geoService_ = new Geo(K_GOOGLE_TILE_SIZE);
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this.centerIsObject_ = isPlainObject(this.props.center);
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this.minZoom_ = DEFAULT_MIN_ZOOM;
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this.defaultDraggableOption_ = true;
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this.zoomControlClickTime_ = 0;
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this.childMouseDownArgs_ = null;
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this.childMouseUpTime_ = 0;
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this.googleMapDom_ = null;
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if (process.env.NODE_ENV !== 'production') {
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if (this.props.apiKey) {
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console.warn(
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'GoogleMap: ' + // eslint-disable-line no-console
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'apiKey is deprecated, use ' +
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'bootstrapURLKeys={{key: YOUR_API_KEY}} instead.'
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);
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}
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if (this.props.onBoundsChange) {
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console.warn(
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'GoogleMap: ' + // eslint-disable-line no-console
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'onBoundsChange is deprecated, use ' +
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'onChange({center, zoom, bounds, ...other}) instead.'
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);
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}
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if (
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this.props.center === undefined &&
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this.props.defaultCenter === undefined
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) {
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console.warn(
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'GoogleMap: center or defaultCenter property must be defined' // eslint-disable-line no-console
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);
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}
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if (
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this.props.zoom === undefined && this.props.defaultZoom === undefined
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) {
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console.warn(
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'GoogleMap: zoom or defaultZoom property must be defined' // eslint-disable-line no-console
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);
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}
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}
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if (this._isCenterDefined(this.props.center || this.props.defaultCenter)) {
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const propsCenter = latLng2Obj(
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this.props.center || this.props.defaultCenter
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);
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this.geoService_.setView(
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propsCenter,
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this.props.zoom || this.props.defaultZoom,
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0
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);
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}
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this.zoomAnimationInProgress_ = false;
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this.state = {
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overlayCreated: false,
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};
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}
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componentDidMount() {
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this.mounted_ = true;
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window.addEventListener('resize', this._onWindowResize);
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window.addEventListener('keydown', this._onKeyDownCapture, true);
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const mapDom = ReactDOM.findDOMNode(this.googleMapDom_);
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// gmap can't prevent map drag if mousedown event already occured
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// the only workaround I find is prevent mousedown native browser event
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ReactDOM.findDOMNode(this.googleMapDom_).addEventListener(
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'mousedown',
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this._onMapMouseDownNative,
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true
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);
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window.addEventListener('mouseup', this._onChildMouseUp, false);
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const bootstrapURLKeys = {
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...(this.props.apiKey && { key: this.props.apiKey }),
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...this.props.bootstrapURLKeys,
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};
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this.props.googleMapLoader(bootstrapURLKeys, this.props.heatmapLibrary); // we can start load immediatly
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setTimeout(
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() => {
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// to detect size
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this._setViewSize();
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if (
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this._isCenterDefined(this.props.center || this.props.defaultCenter)
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) {
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this._initMap();
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}
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},
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0,
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this
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);
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if (this.props.resetBoundsOnResize) {
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const that = this;
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detectElementResize.addResizeListener(mapDom, that._mapDomResizeCallback);
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}
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}
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componentWillReceiveProps(nextProps) {
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if (process.env.NODE_ENV !== 'production') {
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if (this.props.defaultCenter !== nextProps.defaultCenter) {
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console.warn(
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'GoogleMap: defaultCenter prop changed. ' + // eslint-disable-line
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"You can't change default props."
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);
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}
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if (this.props.defaultZoom !== nextProps.defaultZoom) {
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console.warn(
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'GoogleMap: defaultZoom prop changed. ' + // eslint-disable-line
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"You can't change default props."
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);
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}
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}
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if (
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!this._isCenterDefined(this.props.center) &&
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this._isCenterDefined(nextProps.center)
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) {
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setTimeout(() => this._initMap(), 0);
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}
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if (this.map_) {
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const centerLatLng = this.geoService_.getCenter();
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if (this._isCenterDefined(nextProps.center)) {
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const nextPropsCenter = latLng2Obj(nextProps.center);
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const currCenter = this._isCenterDefined(this.props.center)
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? latLng2Obj(this.props.center)
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: null;
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if (
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!currCenter ||
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Math.abs(nextPropsCenter.lat - currCenter.lat) +
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Math.abs(nextPropsCenter.lng - currCenter.lng) >
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kEPS
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) {
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if (
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Math.abs(nextPropsCenter.lat - centerLatLng.lat) +
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Math.abs(nextPropsCenter.lng - centerLatLng.lng) >
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kEPS
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) {
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this.map_.panTo({
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lat: nextPropsCenter.lat,
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lng: nextPropsCenter.lng,
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});
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}
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}
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}
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if (nextProps.zoom !== undefined) {
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// if zoom chaged by user
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if (Math.abs(nextProps.zoom - this.props.zoom) > 0) {
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this.map_.setZoom(nextProps.zoom);
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}
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}
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if (
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this.props.draggable !== undefined && nextProps.draggable === undefined
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) {
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// reset to default
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this.map_.setOptions({ draggable: this.defaultDraggableOption_ });
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} else if (this.props.draggable !== nextProps.draggable) {
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// also prevent this on window 'mousedown' event to prevent map move
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this.map_.setOptions({ draggable: nextProps.draggable });
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}
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// use shallowEqual to try avoid calling map._setOptions if only the ref changes
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if (
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nextProps.options !== undefined &&
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!shallowEqual(this.props.options, nextProps.options)
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) {
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const mapPlainObjects = pick(this.maps_, isPlainObject);
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let options = typeof nextProps.options === 'function'
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? nextProps.options(mapPlainObjects)
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: nextProps.options;
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// remove zoom, center and draggable options as these are managed by google-maps-react
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options = omit(options, ['zoom', 'center', 'draggable']);
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if ('minZoom' in options) {
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const minZoom = this._computeMinZoom(options.minZoom);
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options.minZoom = _checkMinZoom(options.minZoom, minZoom);
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}
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this.map_.setOptions(options);
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}
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if (nextProps.layerTypes !== this.props.layerTypes) {
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Object.keys(this.layers_).forEach(layerKey => {
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this.layers_[layerKey].setMap(null);
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delete this.layers_[layerKey];
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});
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this._setLayers(nextProps.layerTypes);
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}
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}
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}
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shouldComponentUpdate(nextProps, nextState) {
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// draggable does not affect inner components
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return !shallowEqual(
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omit(this.props, ['draggable']),
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omit(nextProps, ['draggable'])
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) || !shallowEqual(this.state, nextState);
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}
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componentDidUpdate(prevProps) {
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this.markersDispatcher_.emit('kON_CHANGE');
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if (this.props.hoverDistance !== prevProps.hoverDistance) {
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this.markersDispatcher_.emit('kON_MOUSE_POSITION_CHANGE');
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}
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}
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componentWillUnmount() {
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this.mounted_ = false;
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const mapDom = ReactDOM.findDOMNode(this.googleMapDom_);
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window.removeEventListener('resize', this._onWindowResize);
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window.removeEventListener('keydown', this._onKeyDownCapture);
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mapDom.removeEventListener('mousedown', this._onMapMouseDownNative, true);
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window.removeEventListener('mouseup', this._onChildMouseUp, false);
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if (this.props.resetBoundsOnResize) {
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detectElementResize.removeResizeListener(
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mapDom,
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this._mapDomResizeCallback
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);
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}
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if (this.overlay_) {
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// this triggers overlay_.onRemove(), which will unmount the <GoogleMapMarkers/>
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this.overlay_.setMap(null);
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}
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if (this.maps_ && this.map_) {
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// fix google, as otherwise listeners works even without map
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this.map_.setOptions({ scrollwheel: false });
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this.maps_.event.clearInstanceListeners(this.map_);
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}
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this.map_ = null;
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this.maps_ = null;
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this.markersDispatcher_.dispose();
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this.resetSizeOnIdle_ = false;
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delete this.map_;
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delete this.markersDispatcher_;
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}
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// calc minZoom if map size available
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// it's better to not set minZoom less than this calculation gives
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// otherwise there is no homeomorphism between screen coordinates and map
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// (one map coordinate can have different screen coordinates)
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_getMinZoom = () => {
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if (this.geoService_.getWidth() > 0 || this.geoService_.getHeight() > 0) {
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const tilesPerWidth = Math.ceil(
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this.geoService_.getWidth() / K_GOOGLE_TILE_SIZE
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) + 2;
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const tilesPerHeight = Math.ceil(
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this.geoService_.getHeight() / K_GOOGLE_TILE_SIZE
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) + 2;
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const maxTilesPerDim = Math.max(tilesPerWidth, tilesPerHeight);
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return Math.ceil(log2(maxTilesPerDim));
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}
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return DEFAULT_MIN_ZOOM;
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};
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_computeMinZoom = minZoom => {
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if (minZoom !== undefined && minZoom !== null) {
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return minZoom;
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}
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return this._getMinZoom();
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};
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_mapDomResizeCallback = () => {
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this.resetSizeOnIdle_ = true;
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if (this.maps_) {
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const originalCenter = this.props.center || this.props.defaultCenter;
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const currentCenter = this.map_.getCenter();
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this.maps_.event.trigger(this.map_, 'resize');
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this.map_.setCenter(
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this.props.resetBoundsOnResize ? originalCenter : currentCenter
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);
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}
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};
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_setLayers = layerTypes => {
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layerTypes.forEach(layerType => {
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this.layers_[layerType] = new this.maps_[layerType]();
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this.layers_[layerType].setMap(this.map_);
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});
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};
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_initMap = () => {
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// only initialize the map once
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if (this.initialized_) {
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return;
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}
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this.initialized_ = true;
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const propsCenter = latLng2Obj(
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this.props.center || this.props.defaultCenter
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);
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this.geoService_.setView(
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propsCenter,
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this.props.zoom || this.props.defaultZoom,
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0
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);
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this._onBoundsChanged(); // now we can calculate map bounds center etc...
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const bootstrapURLKeys = {
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...(this.props.apiKey && { key: this.props.apiKey }),
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...this.props.bootstrapURLKeys,
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};
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this.props
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.googleMapLoader(bootstrapURLKeys, this.props.heatmapLibrary)
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.then(maps => {
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if (!this.mounted_) {
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return;
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}
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const centerLatLng = this.geoService_.getCenter();
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const propsOptions = {
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zoom: this.props.zoom || this.props.defaultZoom,
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center: new maps.LatLng(centerLatLng.lat, centerLatLng.lng),
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};
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// Start Heatmap
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if (this.props.heatmap.positions) {
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Object.assign(this, {
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heatmap: generateHeatmap(maps, this.props.heatmap),
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});
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optionsHeatmap(this.heatmap, this.props.heatmap);
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}
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// End Heatmap
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// prevent to exapose full api
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// next props must be exposed (console.log(Object.keys(pick(maps, isPlainObject))))
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// "Animation", "ControlPosition", "MapTypeControlStyle", "MapTypeId",
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// "NavigationControlStyle", "ScaleControlStyle", "StrokePosition",
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// "SymbolPath", "ZoomControlStyle",
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// "event", "DirectionsStatus", "DirectionsTravelMode", "DirectionsUnitSystem",
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// "DistanceMatrixStatus",
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// "DistanceMatrixElementStatus", "ElevationStatus", "GeocoderLocationType",
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// "GeocoderStatus", "KmlLayerStatus",
|
|
// "MaxZoomStatus", "StreetViewStatus", "TransitMode", "TransitRoutePreference",
|
|
// "TravelMode", "UnitSystem"
|
|
const mapPlainObjects = pick(maps, isPlainObject);
|
|
const options = typeof this.props.options === 'function'
|
|
? this.props.options(mapPlainObjects)
|
|
: this.props.options;
|
|
const defaultOptions = defaultOptions_(mapPlainObjects);
|
|
|
|
const draggableOptions = this.props.draggable !== undefined && {
|
|
draggable: this.props.draggable,
|
|
};
|
|
|
|
const minZoom = this._computeMinZoom(options.minZoom);
|
|
this.minZoom_ = minZoom;
|
|
|
|
const preMapOptions = {
|
|
...defaultOptions,
|
|
minZoom,
|
|
...options,
|
|
...propsOptions,
|
|
};
|
|
|
|
this.defaultDraggableOption_ = preMapOptions.draggable !== undefined
|
|
? preMapOptions.draggable
|
|
: this.defaultDraggableOption_;
|
|
|
|
const mapOptions = {
|
|
...preMapOptions,
|
|
...draggableOptions,
|
|
};
|
|
|
|
mapOptions.minZoom = _checkMinZoom(mapOptions.minZoom, minZoom);
|
|
|
|
const map = new maps.Map(
|
|
ReactDOM.findDOMNode(this.googleMapDom_),
|
|
mapOptions
|
|
);
|
|
|
|
this.map_ = map;
|
|
this.maps_ = maps;
|
|
|
|
this._setLayers(this.props.layerTypes);
|
|
|
|
// render in overlay
|
|
const this_ = this;
|
|
const overlay = Object.assign(new maps.OverlayView(), {
|
|
onAdd() {
|
|
const K_MAX_WIDTH = typeof screen !== 'undefined'
|
|
? `${screen.width}px`
|
|
: '2000px';
|
|
const K_MAX_HEIGHT = typeof screen !== 'undefined'
|
|
? `${screen.height}px`
|
|
: '2000px';
|
|
|
|
const div = document.createElement('div');
|
|
this.div = div;
|
|
div.style.backgroundColor = 'transparent';
|
|
div.style.position = 'absolute';
|
|
div.style.left = '0px';
|
|
div.style.top = '0px';
|
|
div.style.width = K_MAX_WIDTH; // prevents some chrome draw defects
|
|
div.style.height = K_MAX_HEIGHT;
|
|
|
|
const panes = this.getPanes();
|
|
panes.overlayMouseTarget.appendChild(div);
|
|
|
|
ReactDOM.unstable_renderSubtreeIntoContainer(
|
|
this_,
|
|
<GoogleMapMarkers
|
|
experimental={this_.props.experimental}
|
|
onChildClick={this_._onChildClick}
|
|
onChildMouseDown={this_._onChildMouseDown}
|
|
onChildMouseEnter={this_._onChildMouseEnter}
|
|
onChildMouseLeave={this_._onChildMouseLeave}
|
|
geoService={this_.geoService_}
|
|
projectFromLeftTop
|
|
distanceToMouse={this_.props.distanceToMouse}
|
|
getHoverDistance={this_._getHoverDistance}
|
|
dispatcher={this_.markersDispatcher_}
|
|
/>,
|
|
div,
|
|
// remove prerendered markers
|
|
() => this_.setState({ overlayCreated: true })
|
|
);
|
|
},
|
|
|
|
onRemove() {
|
|
ReactDOM.unmountComponentAtNode(this.div);
|
|
},
|
|
|
|
draw() {
|
|
const div = overlay.div;
|
|
const overlayProjection = overlay.getProjection();
|
|
const bounds = map.getBounds();
|
|
const ne = bounds.getNorthEast();
|
|
const sw = bounds.getSouthWest();
|
|
const ptx = overlayProjection.fromLatLngToDivPixel(
|
|
new maps.LatLng(ne.lat(), sw.lng())
|
|
);
|
|
|
|
// need round for safari still can't find what need for firefox
|
|
const ptxRounded = detectBrowser().isSafari
|
|
? { x: Math.round(ptx.x), y: Math.round(ptx.y) }
|
|
: { x: ptx.x, y: ptx.y };
|
|
|
|
this_.updateCounter_++;
|
|
this_._onBoundsChanged(map, maps, !this_.props.debounced);
|
|
|
|
if (!this_.googleApiLoadedCalled_) {
|
|
this_._onGoogleApiLoaded({ map, maps });
|
|
this_.googleApiLoadedCalled_ = true;
|
|
}
|
|
|
|
div.style.left = `${ptxRounded.x}px`;
|
|
div.style.top = `${ptxRounded.y}px`;
|
|
if (this_.markersDispatcher_) {
|
|
this_.markersDispatcher_.emit('kON_CHANGE');
|
|
}
|
|
},
|
|
});
|
|
|
|
this.overlay_ = overlay;
|
|
|
|
overlay.setMap(map);
|
|
if (this.props.heatmap.positions) {
|
|
this.heatmap.setMap(map);
|
|
}
|
|
|
|
maps.event.addListener(map, 'zoom_changed', () => {
|
|
// recalc position at zoom start
|
|
if (this_.geoService_.getZoom() !== map.getZoom()) {
|
|
if (!this_.zoomAnimationInProgress_) {
|
|
this_.zoomAnimationInProgress_ = true;
|
|
this_._onZoomAnimationStart();
|
|
}
|
|
|
|
const TIMEOUT_ZOOM = 300;
|
|
|
|
if (
|
|
new Date().getTime() - this.zoomControlClickTime_ < TIMEOUT_ZOOM
|
|
) {
|
|
// there is strange Google Map Api behavior in chrome when zoom animation of map
|
|
// is started only on second raf call, if was click on zoom control
|
|
// or +- keys pressed, so i wait for two rafs before change state
|
|
|
|
// this does not fully prevent animation jump
|
|
// but reduce it's occurence probability
|
|
raf(() =>
|
|
raf(() => {
|
|
this_.updateCounter_++;
|
|
this_._onBoundsChanged(map, maps);
|
|
}));
|
|
} else {
|
|
this_.updateCounter_++;
|
|
this_._onBoundsChanged(map, maps);
|
|
}
|
|
}
|
|
});
|
|
|
|
maps.event.addListener(map, 'idle', () => {
|
|
if (this.resetSizeOnIdle_) {
|
|
this._setViewSize();
|
|
const currMinZoom = this._computeMinZoom(
|
|
this.props.options.minZoom
|
|
);
|
|
|
|
if (currMinZoom !== this.minZoom_) {
|
|
this.minZoom_ = currMinZoom;
|
|
map.setOptions({ minZoom: currMinZoom });
|
|
}
|
|
|
|
this.resetSizeOnIdle_ = false;
|
|
}
|
|
|
|
if (this_.zoomAnimationInProgress_) {
|
|
this_.zoomAnimationInProgress_ = false;
|
|
this_._onZoomAnimationEnd();
|
|
}
|
|
|
|
this_.updateCounter_++;
|
|
this_._onBoundsChanged(map, maps);
|
|
|
|
if (this.mouse_) {
|
|
const latLng = this.geoService_.unproject(this.mouse_, true);
|
|
this.mouse_.lat = latLng.lat;
|
|
this.mouse_.lng = latLng.lng;
|
|
}
|
|
|
|
this._onChildMouseMove();
|
|
|
|
this_.dragTime_ = 0;
|
|
|
|
const div = overlay.div;
|
|
const overlayProjection = overlay.getProjection();
|
|
if (div && overlayProjection) {
|
|
const bounds = map.getBounds();
|
|
const ne = bounds.getNorthEast();
|
|
const sw = bounds.getSouthWest();
|
|
const ptx = overlayProjection.fromLatLngToDivPixel(
|
|
new maps.LatLng(ne.lat(), sw.lng())
|
|
);
|
|
// need round for safari still can't find what need for firefox
|
|
const ptxRounded = detectBrowser().isSafari
|
|
? { x: Math.round(ptx.x), y: Math.round(ptx.y) }
|
|
: { x: ptx.x, y: ptx.y };
|
|
|
|
div.style.left = `${ptxRounded.x}px`;
|
|
div.style.top = `${ptxRounded.y}px`;
|
|
}
|
|
|
|
if (this_.markersDispatcher_) {
|
|
this_.markersDispatcher_.emit('kON_CHANGE');
|
|
if (this_.fireMouseEventOnIdle_) {
|
|
this_.markersDispatcher_.emit('kON_MOUSE_POSITION_CHANGE');
|
|
}
|
|
}
|
|
});
|
|
|
|
maps.event.addListener(map, 'mouseover', () => {
|
|
// has advantage over div MouseLeave
|
|
this_.mouseInMap_ = true;
|
|
});
|
|
|
|
// an alternative way to know the mouse is back within the map
|
|
// This would not fire when clicking/interacting with google maps
|
|
// own on-map countrols+markers. This handles an edge case for touch devices
|
|
// + 'draggable:false' custom option. See #332 for more details.
|
|
maps.event.addListener(map, 'click', () => {
|
|
this_.mouseInMap_ = true;
|
|
});
|
|
|
|
maps.event.addListener(map, 'mouseout', () => {
|
|
// has advantage over div MouseLeave
|
|
this_.mouseInMap_ = false;
|
|
this_.mouse_ = null;
|
|
this_.markersDispatcher_.emit('kON_MOUSE_POSITION_CHANGE');
|
|
});
|
|
|
|
maps.event.addListener(map, 'drag', () => {
|
|
this_.dragTime_ = new Date().getTime();
|
|
this_._onDrag();
|
|
});
|
|
// user choosing satellite vs roads, etc
|
|
maps.event.addListener(map, 'maptypeid_changed', () => {
|
|
this_._onMapTypeIdChange(map.getMapTypeId());
|
|
});
|
|
})
|
|
.catch(e => {
|
|
// notify callback of load failure
|
|
this._onGoogleApiLoaded({ map: null, maps: null });
|
|
console.error(e); // eslint-disable-line no-console
|
|
throw e;
|
|
});
|
|
};
|
|
|
|
_onGoogleApiLoaded = (...args) => {
|
|
if (this.props.onGoogleApiLoaded) {
|
|
if (
|
|
process.env.NODE_ENV !== 'production' &&
|
|
this.props.yesIWantToUseGoogleMapApiInternals !== true
|
|
) {
|
|
console.warn(
|
|
'GoogleMap: ' + // eslint-disable-line
|
|
'Usage of internal api objects is dangerous ' +
|
|
'and can cause a lot of issues.\n' +
|
|
'To hide this warning add yesIWantToUseGoogleMapApiInternals={true} ' +
|
|
'to <GoogleMap instance'
|
|
);
|
|
}
|
|
|
|
this.props.onGoogleApiLoaded(...args);
|
|
}
|
|
};
|
|
|
|
_getHoverDistance = () => this.props.hoverDistance;
|
|
|
|
_onDrag = (...args) => this.props.onDrag && this.props.onDrag(...args);
|
|
|
|
_onMapTypeIdChange = (...args) =>
|
|
this.props.onMapTypeIdChange && this.props.onMapTypeIdChange(...args);
|
|
|
|
_onZoomAnimationStart = (...args) =>
|
|
this.props.onZoomAnimationStart && this.props.onZoomAnimationStart(...args);
|
|
|
|
_onZoomAnimationEnd = (...args) =>
|
|
this.props.onZoomAnimationEnd && this.props.onZoomAnimationEnd(...args);
|
|
|
|
_onChildClick = (...args) => {
|
|
if (this.props.onChildClick) {
|
|
return this.props.onChildClick(...args);
|
|
}
|
|
return undefined;
|
|
};
|
|
|
|
_onChildMouseDown = (hoverKey, childProps) => {
|
|
this.childMouseDownArgs_ = [hoverKey, childProps];
|
|
if (this.props.onChildMouseDown) {
|
|
this.props.onChildMouseDown(hoverKey, childProps, { ...this.mouse_ });
|
|
}
|
|
};
|
|
|
|
// this method works only if this.props.onChildMouseDown was called
|
|
_onChildMouseUp = () => {
|
|
if (this.childMouseDownArgs_) {
|
|
if (this.props.onChildMouseUp) {
|
|
this.props.onChildMouseUp(...this.childMouseDownArgs_, {
|
|
...this.mouse_,
|
|
});
|
|
}
|
|
this.childMouseDownArgs_ = null;
|
|
this.childMouseUpTime_ = new Date().getTime();
|
|
}
|
|
};
|
|
|
|
// this method works only if this.props.onChildMouseDown was called
|
|
_onChildMouseMove = () => {
|
|
if (this.childMouseDownArgs_) {
|
|
if (this.props.onChildMouseMove) {
|
|
this.props.onChildMouseMove(...this.childMouseDownArgs_, {
|
|
...this.mouse_,
|
|
});
|
|
}
|
|
}
|
|
};
|
|
|
|
_onChildMouseEnter = (...args) => {
|
|
if (this.props.onChildMouseEnter) {
|
|
return this.props.onChildMouseEnter(...args);
|
|
}
|
|
return undefined;
|
|
};
|
|
|
|
_onChildMouseLeave = (...args) => {
|
|
if (this.props.onChildMouseLeave) {
|
|
return this.props.onChildMouseLeave(...args);
|
|
}
|
|
return undefined;
|
|
};
|
|
|
|
_setViewSize = () => {
|
|
if (!this.mounted_) return;
|
|
if (isFullScreen()) {
|
|
this.geoService_.setViewSize(window.innerWidth, window.innerHeight);
|
|
} else {
|
|
const mapDom = ReactDOM.findDOMNode(this.googleMapDom_);
|
|
this.geoService_.setViewSize(mapDom.clientWidth, mapDom.clientHeight);
|
|
}
|
|
this._onBoundsChanged();
|
|
};
|
|
|
|
_onWindowResize = () => {
|
|
this.resetSizeOnIdle_ = true;
|
|
};
|
|
|
|
_onMapMouseMove = e => {
|
|
if (!this.mouseInMap_) return;
|
|
|
|
const currTime = new Date().getTime();
|
|
const K_RECALC_CLIENT_RECT_MS = 50;
|
|
|
|
if (currTime - this.mouseMoveTime_ > K_RECALC_CLIENT_RECT_MS) {
|
|
this.boundingRect_ = e.currentTarget.getBoundingClientRect();
|
|
}
|
|
this.mouseMoveTime_ = currTime;
|
|
|
|
const mousePosX = e.clientX - this.boundingRect_.left;
|
|
const mousePosY = e.clientY - this.boundingRect_.top;
|
|
|
|
if (!this.mouse_) {
|
|
this.mouse_ = { x: 0, y: 0, lat: 0, lng: 0 };
|
|
}
|
|
|
|
this.mouse_.x = mousePosX;
|
|
this.mouse_.y = mousePosY;
|
|
|
|
const latLng = this.geoService_.unproject(this.mouse_, true);
|
|
this.mouse_.lat = latLng.lat;
|
|
this.mouse_.lng = latLng.lng;
|
|
|
|
this._onChildMouseMove();
|
|
|
|
if (currTime - this.dragTime_ < K_IDLE_TIMEOUT) {
|
|
this.fireMouseEventOnIdle_ = true;
|
|
} else {
|
|
this.markersDispatcher_.emit('kON_MOUSE_POSITION_CHANGE');
|
|
this.fireMouseEventOnIdle_ = false;
|
|
}
|
|
};
|
|
|
|
// K_IDLE_CLICK_TIMEOUT - looks like 300 is enough
|
|
_onClick = (...args) =>
|
|
this.props.onClick &&
|
|
!this.childMouseDownArgs_ &&
|
|
new Date().getTime() - this.childMouseUpTime_ > K_IDLE_CLICK_TIMEOUT &&
|
|
this.dragTime_ === 0 &&
|
|
this.props.onClick(...args);
|
|
|
|
_onMapClick = event => {
|
|
if (this.markersDispatcher_) {
|
|
// support touch events and recalculate mouse position on click
|
|
this._onMapMouseMove(event);
|
|
const currTime = new Date().getTime();
|
|
if (currTime - this.dragTime_ > K_IDLE_TIMEOUT) {
|
|
if (this.mouse_) {
|
|
this._onClick({
|
|
...this.mouse_,
|
|
event,
|
|
});
|
|
}
|
|
|
|
this.markersDispatcher_.emit('kON_CLICK', event);
|
|
}
|
|
}
|
|
};
|
|
|
|
// gmap can't prevent map drag if mousedown event already occured
|
|
// the only workaround I find is prevent mousedown native browser event
|
|
_onMapMouseDownNative = event => {
|
|
if (!this.mouseInMap_) return;
|
|
|
|
this._onMapMouseDown(event);
|
|
};
|
|
|
|
_onMapMouseDown = event => {
|
|
if (this.markersDispatcher_) {
|
|
const currTime = new Date().getTime();
|
|
if (currTime - this.dragTime_ > K_IDLE_TIMEOUT) {
|
|
// Hovered marker detected at mouse move could be deleted at mouse down time
|
|
// so it will be good to force hovered marker recalculation
|
|
this._onMapMouseMove(event);
|
|
this.markersDispatcher_.emit('kON_MDOWN', event);
|
|
}
|
|
}
|
|
};
|
|
|
|
_onMapMouseDownCapture = () => {
|
|
if (detectBrowser().isChrome) {
|
|
// to fix strange zoom in chrome
|
|
if (!this.mouse_) {
|
|
this.zoomControlClickTime_ = new Date().getTime();
|
|
}
|
|
}
|
|
};
|
|
|
|
_onKeyDownCapture = () => {
|
|
if (detectBrowser().isChrome) {
|
|
this.zoomControlClickTime_ = new Date().getTime();
|
|
}
|
|
};
|
|
|
|
_isCenterDefined = center =>
|
|
center &&
|
|
((isPlainObject(center) && isNumber(center.lat) && isNumber(center.lng)) ||
|
|
(center.length === 2 && isNumber(center[0]) && isNumber(center[1])));
|
|
|
|
_onBoundsChanged = (map, maps, callExtBoundsChange) => {
|
|
if (map) {
|
|
const gmC = map.getCenter();
|
|
this.geoService_.setView([gmC.lat(), gmC.lng()], map.getZoom(), 0);
|
|
}
|
|
|
|
if (
|
|
(this.props.onChange || this.props.onBoundsChange) &&
|
|
this.geoService_.canProject()
|
|
) {
|
|
const zoom = this.geoService_.getZoom();
|
|
const bounds = this.geoService_.getBounds();
|
|
const centerLatLng = this.geoService_.getCenter();
|
|
|
|
if (!isArraysEqualEps(bounds, this.prevBounds_, kEPS)) {
|
|
if (callExtBoundsChange !== false) {
|
|
const marginBounds = this.geoService_.getBounds(this.props.margin);
|
|
if (this.props.onBoundsChange) {
|
|
this.props.onBoundsChange(
|
|
this.centerIsObject_
|
|
? { ...centerLatLng }
|
|
: [centerLatLng.lat, centerLatLng.lng],
|
|
zoom,
|
|
bounds,
|
|
marginBounds
|
|
);
|
|
}
|
|
|
|
if (this.props.onChange) {
|
|
this.props.onChange({
|
|
center: { ...centerLatLng },
|
|
zoom,
|
|
bounds: {
|
|
nw: {
|
|
lat: bounds[0],
|
|
lng: bounds[1],
|
|
},
|
|
se: {
|
|
lat: bounds[2],
|
|
lng: bounds[3],
|
|
},
|
|
sw: {
|
|
lat: bounds[4],
|
|
lng: bounds[5],
|
|
},
|
|
ne: {
|
|
lat: bounds[6],
|
|
lng: bounds[7],
|
|
},
|
|
},
|
|
marginBounds: {
|
|
nw: {
|
|
lat: marginBounds[0],
|
|
lng: marginBounds[1],
|
|
},
|
|
se: {
|
|
lat: marginBounds[2],
|
|
lng: marginBounds[3],
|
|
},
|
|
sw: {
|
|
lat: marginBounds[4],
|
|
lng: marginBounds[5],
|
|
},
|
|
ne: {
|
|
lat: marginBounds[6],
|
|
lng: marginBounds[7],
|
|
},
|
|
},
|
|
|
|
size: this.geoService_.hasSize()
|
|
? {
|
|
width: this.geoService_.getWidth(),
|
|
height: this.geoService_.getHeight(),
|
|
}
|
|
: {
|
|
width: 0,
|
|
height: 0,
|
|
},
|
|
});
|
|
}
|
|
|
|
this.prevBounds_ = bounds;
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
_registerChild = ref => {
|
|
this.googleMapDom_ = ref;
|
|
};
|
|
|
|
render() {
|
|
const mapMarkerPrerender = !this.state.overlayCreated
|
|
? <GoogleMapMarkersPrerender
|
|
experimental={this.props.experimental}
|
|
onChildClick={this._onChildClick}
|
|
onChildMouseDown={this._onChildMouseDown}
|
|
onChildMouseEnter={this._onChildMouseEnter}
|
|
onChildMouseLeave={this._onChildMouseLeave}
|
|
geoService={this.geoService_}
|
|
projectFromLeftTop={false}
|
|
distanceToMouse={this.props.distanceToMouse}
|
|
getHoverDistance={this._getHoverDistance}
|
|
dispatcher={this.markersDispatcher_}
|
|
/>
|
|
: null;
|
|
|
|
return (
|
|
<div
|
|
style={this.props.style}
|
|
onMouseMove={this._onMapMouseMove}
|
|
onMouseDownCapture={this._onMapMouseDownCapture}
|
|
onClick={this._onMapClick}
|
|
>
|
|
<GoogleMapMap registerChild={this._registerChild} />
|
|
|
|
{/* render markers before map load done */}
|
|
{mapMarkerPrerender}
|
|
</div>
|
|
);
|
|
}
|
|
}
|