241 lines
6.3 KiB
JavaScript
241 lines
6.3 KiB
JavaScript
/*
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* Leaflet.Sleep
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*/
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/*
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* Default Button (touch devices only)
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*/
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L.Control.SleepMapControl = L.Control.extend({
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initialize: function(opts){
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L.setOptions(this,opts);
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},
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options: {
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position: 'topright',
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prompt: 'disable map',
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styles: {
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'backgroundColor': 'white',
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'padding': '5px',
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'border': '2px solid gray'
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}
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},
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buildContainer: function(){
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var self = this;
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var container = L.DomUtil.create('p', 'sleep-button');
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var boundEvent = this._nonBoundEvent.bind(this);
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container.appendChild( document.createTextNode( this.options.prompt ));
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L.DomEvent.addListener(container, 'click', boundEvent);
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L.DomEvent.addListener(container, 'touchstart', boundEvent);
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Object.keys(this.options.styles).map(function(key) {
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container.style[key] = self.options.styles[key];
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});
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return (this._container = container);
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},
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onAdd: function () {
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return this._container || this.buildContainer();
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},
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_nonBoundEvent: function(e) {
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L.DomEvent.stop(e);
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if (this._map) this._map.sleep._sleepMap();
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return false;
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}
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});
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L.Control.sleepMapControl = function(){
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return new L.Control.SleepMapControl();
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};
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/*
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* The Sleep Handler
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*/
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L.Map.mergeOptions({
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sleep: true,
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sleepTime: 750,
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wakeTime: 750,
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wakeMessageTouch: 'Touch to Wake',
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sleepNote: true,
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hoverToWake: true,
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sleepOpacity:.7,
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sleepButton: L.Control.sleepMapControl
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});
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L.Map.Sleep = L.Handler.extend({
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addHooks: function () {
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var self = this;
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this.sleepNote = L.DomUtil.create('p', 'sleep-note', this._map._container);
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this._enterTimeout = null;
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this._exitTimeout = null;
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/*
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* If the device has only a touchscreen we will never get
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* a mouseout event, so we add an extra button to put the map
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* back to sleep manually.
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*
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* a custom control/button can be provided by the user
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* with the map's `sleepButton` option
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*/
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this._sleepButton = this._map.options.sleepButton();
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if (this._map.tap) {
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this._map.addControl(this._sleepButton);
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}
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var mapStyle = this._map._container.style;
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mapStyle.WebkitTransition += 'opacity .5s';
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mapStyle.MozTransition += 'opacity .5s';
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this._setSleepNoteStyle();
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this._sleepMap();
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},
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removeHooks: function () {
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if (!this._map.scrollWheelZoom.enabled()){
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this._map.scrollWheelZoom.enable();
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}
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if (this._map.tap && !this._map.tap.enabled()) {
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this._map.touchZoom.enable();
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this._map.dragging.enable();
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this._map.tap.enable();
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}
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L.DomUtil.setOpacity( this._map._container, 1);
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L.DomUtil.setOpacity( this.sleepNote, 0);
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this._removeSleepingListeners();
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this._removeAwakeListeners();
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},
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_setSleepNoteStyle: function() {
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var noteString = '';
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var style = this.sleepNote.style;
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if(this._map.tap) {
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noteString = this._map.options.wakeMessageTouch;
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} else if (this._map.options.wakeMessage) {
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noteString = this._map.options.wakeMessage;
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} else if (this._map.options.hoverToWake) {
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noteString = 'click or hover to wake';
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} else {
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noteString = 'click to wake';
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}
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if( this._map.options.sleepNote ){
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this.sleepNote.appendChild(document.createTextNode( noteString ));
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style.pointerEvents = 'none';
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style.maxWidth = '150px';
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style.transitionDuration = '.2s';
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style.zIndex = 5000;
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style.opacity = '.6';
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style.margin = 'auto';
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style.textAlign = 'center';
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style.borderRadius = '4px';
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style.top = '50%';
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style.position = 'relative';
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style.padding = '5px';
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style.border = 'solid 2px black';
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style.background = 'white';
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if(this._map.options.sleepNoteStyle) {
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var noteStyleOverrides = this._map.options.sleepNoteStyle;
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Object.keys(noteStyleOverrides).map(function(key) {
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style[key] = noteStyleOverrides[key];
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});
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}
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}
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},
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_wakeMap: function (e) {
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this._stopWaiting();
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this._map.scrollWheelZoom.enable();
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if (this._map.tap) {
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this._map.touchZoom.enable();
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this._map.dragging.enable();
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this._map.tap.enable();
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this._map.addControl(this._sleepButton);
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}
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L.DomUtil.setOpacity( this._map._container, 1);
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this.sleepNote.style.opacity = 0;
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this._addAwakeListeners();
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},
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_sleepMap: function () {
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this._stopWaiting();
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this._map.scrollWheelZoom.disable();
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if (this._map.tap) {
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this._map.touchZoom.disable();
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this._map.dragging.disable();
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this._map.tap.disable();
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this._map.removeControl(this._sleepButton);
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}
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L.DomUtil.setOpacity( this._map._container, this._map.options.sleepOpacity);
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this.sleepNote.style.opacity = .4;
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this._addSleepingListeners();
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},
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_wakePending: function () {
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this._map.once('mousedown', this._wakeMap, this);
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if (this._map.options.hoverToWake){
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var self = this;
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this._map.once('mouseout', this._sleepMap, this);
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self._enterTimeout = setTimeout(function(){
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self._map.off('mouseout', self._sleepMap, self);
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self._wakeMap();
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} , self._map.options.wakeTime);
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}
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},
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_sleepPending: function () {
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var self = this;
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self._map.once('mouseover', self._wakeMap, self);
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self._exitTimeout = setTimeout(function(){
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self._map.off('mouseover', self._wakeMap, self);
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self._sleepMap();
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} , self._map.options.sleepTime);
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},
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_addSleepingListeners: function(){
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this._map.once('mouseover', this._wakePending, this);
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this._map.tap &&
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this._map.once('click', this._wakeMap, this);
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},
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_addAwakeListeners: function(){
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this._map.once('mouseout', this._sleepPending, this);
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},
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_removeSleepingListeners: function(){
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this._map.options.hoverToWake &&
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this._map.off('mouseover', this._wakePending, this);
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this._map.off('mousedown', this._wakeMap, this);
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this._map.tap &&
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this._map.off('click', this._wakeMap, this);
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},
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_removeAwakeListeners: function(){
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this._map.off('mouseout', this._sleepPending, this);
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},
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_stopWaiting: function () {
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this._removeSleepingListeners();
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this._removeAwakeListeners();
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var self = this;
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if(this._enterTimeout) clearTimeout(self._enterTimeout);
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if(this._exitTimeout) clearTimeout(self._exitTimeout);
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this._enterTimeout = null;
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this._exitTimeout = null;
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}
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});
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L.Map.addInitHook('addHandler', 'sleep', L.Map.Sleep);
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