maj leaflet
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/*!_map
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* leaflet.fullscreen
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* (c) Bruno B.; MIT License
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* Uses fragments from the package 'screenfull'
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*/
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(function (root, factory) {
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if (typeof define === 'function' && define.amd) {
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// define an AMD module that requires 'leaflet'
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// and resolve to an object containing leaflet
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define('leafletFullScreen', ['leaflet'], factory);
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} else if (typeof module === 'object' && module.exports) {
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// define a CommonJS module that requires 'leaflet'
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module.exports = factory(require('leaflet'));
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} else {
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// Assume 'leaflet' are loaded into global variable already
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factory(root.L);
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}
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}(typeof self !== 'undefined' ? self : this, function (leaflet) {
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'use strict';
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if (typeof document === 'undefined') {
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console.warn('"window.document" is undefined; leaflet.fullscreen requires this object to access the DOM');
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return false;
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}
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const nativeAPI = (() => {
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const methodMap = [
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// Standard
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[
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'requestFullscreen',
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'exitFullscreen',
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'fullscreenElement',
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'fullscreenEnabled',
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'fullscreenchange',
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'fullscreenerror'
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],
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// New WebKit
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[
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'webkitRequestFullscreen',
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'webkitExitFullscreen',
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'webkitFullscreenElement',
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'webkitFullscreenEnabled',
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'webkitfullscreenchange',
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'webkitfullscreenerror'
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]
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];
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const baseList = methodMap[0];
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const ret = {};
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for (const methodList of methodMap) {
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if (methodList[1] in document) {
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for (let i = 0; i < methodList.length; i++) {
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ret[baseList[i]] = methodList[i];
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}
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return ret;
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}
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}
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return false;
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})();
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const eventNameMap = {
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change: nativeAPI.fullscreenchange,
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error: nativeAPI.fullscreenerror,
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};
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const fullscreenAPI = {
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request: function (element, options) {
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return new Promise(function (resolve, reject) {
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const onFullScreenEntered = function () {
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this.off('change', onFullScreenEntered);
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resolve();
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}.bind(this);
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this.on('change', onFullScreenEntered);
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element = element || document.documentElement;
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const returnPromise = element[nativeAPI.requestFullscreen](options);
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if (returnPromise instanceof Promise) {
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returnPromise.then(onFullScreenEntered).catch(reject);
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}
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}.bind(this));
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},
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exit: function () {
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return new Promise(function (resolve, reject) {
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if (!this.isFullscreen) {
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resolve();
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return;
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}
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const onFullScreenExit = function () {
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this.off('change', onFullScreenExit);
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resolve();
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}.bind(this);
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this.on('change', onFullScreenExit);
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const returnPromise = document[nativeAPI.exitFullscreen]();
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if (returnPromise instanceof Promise) {
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returnPromise.then(onFullScreenExit).catch(reject);
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}
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}.bind(this));
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},
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on: function (event, callback) {
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var eventName = eventNameMap[event];
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if (eventName) {
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document.addEventListener(eventName, callback, false);
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}
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},
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off: function (event, callback) {
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var eventName = eventNameMap[event];
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if (eventName) {
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document.removeEventListener(eventName, callback, false);
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}
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},
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nativeAPI: nativeAPI
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};
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Object.defineProperties(fullscreenAPI, {
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isFullscreen: {
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get: function () {
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return Boolean(document[nativeAPI.fullscreenElement]);
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}
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},
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isEnabled: {
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enumerable: true,
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get: function () {
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// Coerce to boolean in case of old WebKit
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return Boolean(document[nativeAPI.fullscreenEnabled]);
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}
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}
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});
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leaflet.Control.FullScreen = leaflet.Control.extend({
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options: {
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position: 'topleft',
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title: 'Full Screen',
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titleCancel: 'Exit Full Screen',
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forceSeparateButton: false,
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forcePseudoFullscreen: false,
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fullscreenElement: false
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},
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_screenfull: fullscreenAPI,
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onAdd: function (map) {
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var className = 'leaflet-control-zoom-fullscreen', container, content = '';
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if (map.zoomControl && !this.options.forceSeparateButton) {
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container = map.zoomControl._container;
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} else {
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container = leaflet.DomUtil.create('div', 'leaflet-bar');
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}
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if (this.options.content) {
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content = this.options.content;
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} else {
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className += ' fullscreen-icon';
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}
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this._createButton(this.options.title, className, content, container, this.toggleFullScreen, this);
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this._map.fullscreenControl = this;
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this._map.on('enterFullscreen exitFullscreen', this._toggleState, this);
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return container;
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},
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onRemove: function () {
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leaflet.DomEvent
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.off(this.link, 'click', leaflet.DomEvent.stop)
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.off(this.link, 'click', this.toggleFullScreen, this);
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if (this._screenfull.isEnabled) {
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leaflet.DomEvent
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.off(this._container, this._screenfull.nativeAPI.fullscreenchange, leaflet.DomEvent.stop)
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.off(this._container, this._screenfull.nativeAPI.fullscreenchange, this._handleFullscreenChange, this);
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leaflet.DomEvent
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.off(document, this._screenfull.nativeAPI.fullscreenchange, leaflet.DomEvent.stop)
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.off(document, this._screenfull.nativeAPI.fullscreenchange, this._handleFullscreenChange, this);
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}
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},
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_createButton: function (title, className, content, container, fn, context) {
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this.link = leaflet.DomUtil.create('a', className, container);
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this.link.href = '#';
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this.link.title = title;
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this.link.innerHTML = content;
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this.link.setAttribute('role', 'button');
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this.link.setAttribute('aria-label', title);
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L.DomEvent.disableClickPropagation(container);
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leaflet.DomEvent
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.on(this.link, 'click', leaflet.DomEvent.stop)
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.on(this.link, 'click', fn, context);
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if (this._screenfull.isEnabled) {
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leaflet.DomEvent
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.on(container, this._screenfull.nativeAPI.fullscreenchange, leaflet.DomEvent.stop)
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.on(container, this._screenfull.nativeAPI.fullscreenchange, this._handleFullscreenChange, context);
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leaflet.DomEvent
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.on(document, this._screenfull.nativeAPI.fullscreenchange, leaflet.DomEvent.stop)
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.on(document, this._screenfull.nativeAPI.fullscreenchange, this._handleFullscreenChange, context);
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}
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return this.link;
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},
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toggleFullScreen: function () {
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var map = this._map;
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map._exitFired = false;
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if (map._isFullscreen) {
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if (this._screenfull.isEnabled && !this.options.forcePseudoFullscreen) {
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this._screenfull.exit();
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} else {
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leaflet.DomUtil.removeClass(this.options.fullscreenElement ? this.options.fullscreenElement : map._container, 'leaflet-pseudo-fullscreen');
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map.invalidateSize();
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}
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map.fire('exitFullscreen');
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map._exitFired = true;
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map._isFullscreen = false;
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}
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else {
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if (this._screenfull.isEnabled && !this.options.forcePseudoFullscreen) {
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this._screenfull.request(this.options.fullscreenElement ? this.options.fullscreenElement : map._container);
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} else {
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leaflet.DomUtil.addClass(this.options.fullscreenElement ? this.options.fullscreenElement : map._container, 'leaflet-pseudo-fullscreen');
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map.invalidateSize();
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}
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map.fire('enterFullscreen');
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map._isFullscreen = true;
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}
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},
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_toggleState: function () {
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this.link.title = this._map._isFullscreen ? this.options.title : this.options.titleCancel;
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this._map._isFullscreen ? L.DomUtil.removeClass(this.link, 'leaflet-fullscreen-on') : L.DomUtil.addClass(this.link, 'leaflet-fullscreen-on');
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},
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_handleFullscreenChange: function () {
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var map = this._map;
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map.invalidateSize();
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if (!this._screenfull.isFullscreen && !map._exitFired) {
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map.fire('exitFullscreen');
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map._exitFired = true;
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map._isFullscreen = false;
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}
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}
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});
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leaflet.Map.include({
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toggleFullscreen: function () {
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this.fullscreenControl.toggleFullScreen();
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}
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});
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leaflet.Map.addInitHook(function () {
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if (this.options.fullscreenControl) {
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this.addControl(leaflet.control.fullscreen(this.options.fullscreenControlOptions));
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}
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});
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leaflet.control.fullscreen = function (options) {
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return new leaflet.Control.FullScreen(options);
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};
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return {leaflet: leaflet};
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}));
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