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authorChris Schlaeger <chris@linux.com>2015-10-17 21:36:38 +0200
committerChris Schlaeger <chris@linux.com>2015-10-17 21:36:38 +0200
commite30f267181d990947e67909de4809fa941698c85 (patch)
tree46e9f94c2b3699ed378963b420b8a8d361286ea1 /misc/openlayers/lib/OpenLayers/Control/Geolocate.js
parente763ceb183f389fcd314a4a6a712d87c9d4cdb32 (diff)
downloadpostrunner-e30f267181d990947e67909de4809fa941698c85.zip
Upgrading openlayers to 3.x
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diff --git a/misc/openlayers/lib/OpenLayers/Control/Geolocate.js b/misc/openlayers/lib/OpenLayers/Control/Geolocate.js
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-/* Copyright (c) 2006-2013 by OpenLayers Contributors (see authors.txt for
- * full list of contributors). Published under the 2-clause BSD license.
- * See license.txt in the OpenLayers distribution or repository for the
- * full text of the license. */
-
-/**
- * @requires OpenLayers/Control.js
- * @requires OpenLayers/Geometry/Point.js
- * @requires OpenLayers/Projection.js
- */
-
-/**
- * Class: OpenLayers.Control.Geolocate
- * The Geolocate control wraps w3c geolocation API into control that can be
- * bound to a map, and generate events on location update
- *
- * To use this control requires to load the proj4js library if the projection
- * of the map is not EPSG:4326 or EPSG:900913.
- *
- * Inherits from:
- * - <OpenLayers.Control>
- */
-OpenLayers.Control.Geolocate = OpenLayers.Class(OpenLayers.Control, {
-
- /**
- * APIProperty: events
- * {<OpenLayers.Events>} Events instance for listeners and triggering
- * control specific events.
- *
- * Register a listener for a particular event with the following syntax:
- * (code)
- * control.events.register(type, obj, listener);
- * (end)
- *
- * Supported event types (in addition to those from <OpenLayers.Control.events>):
- * locationupdated - Triggered when browser return a new position. Listeners will
- * receive an object with a 'position' property which is the browser.geolocation.position
- * native object, as well as a 'point' property which is the location transformed in the
- * current map projection.
- * locationfailed - Triggered when geolocation has failed
- * locationuncapable - Triggered when control is activated on a browser
- * which doesn't support geolocation
- */
-
- /**
- * Property: geolocation
- * {Object} The geolocation engine, as a property to be possibly mocked.
- * This is set lazily to avoid a memory leak in IE9.
- */
- geolocation: null,
-
- /**
- * Property: available
- * {Boolean} The navigator.geolocation object is available.
- */
- available: ('geolocation' in navigator),
-
- /**
- * APIProperty: bind
- * {Boolean} If true, map center will be set on location update.
- */
- bind: true,
-
- /**
- * APIProperty: watch
- * {Boolean} If true, position will be update regularly.
- */
- watch: false,
-
- /**
- * APIProperty: geolocationOptions
- * {Object} Options to pass to the navigator's geolocation API. See
- * <http://dev.w3.org/geo/api/spec-source.html>. No specific
- * option is passed to the geolocation API by default.
- */
- geolocationOptions: null,
-
- /**
- * Constructor: OpenLayers.Control.Geolocate
- * Create a new control to deal with browser geolocation API
- *
- */
-
- /**
- * Method: destroy
- */
- destroy: function() {
- this.deactivate();
- OpenLayers.Control.prototype.destroy.apply(this, arguments);
- },
-
- /**
- * Method: activate
- * Activates the control.
- *
- * Returns:
- * {Boolean} The control was effectively activated.
- */
- activate: function () {
- if (this.available && !this.geolocation) {
- // set lazily to avoid IE9 memory leak
- this.geolocation = navigator.geolocation;
- }
- if (!this.geolocation) {
- this.events.triggerEvent("locationuncapable");
- return false;
- }
- if (OpenLayers.Control.prototype.activate.apply(this, arguments)) {
- if (this.watch) {
- this.watchId = this.geolocation.watchPosition(
- OpenLayers.Function.bind(this.geolocate, this),
- OpenLayers.Function.bind(this.failure, this),
- this.geolocationOptions
- );
- } else {
- this.getCurrentLocation();
- }
- return true;
- }
- return false;
- },
-
- /**
- * Method: deactivate
- * Deactivates the control.
- *
- * Returns:
- * {Boolean} The control was effectively deactivated.
- */
- deactivate: function () {
- if (this.active && this.watchId !== null) {
- this.geolocation.clearWatch(this.watchId);
- }
- return OpenLayers.Control.prototype.deactivate.apply(
- this, arguments
- );
- },
-
- /**
- * Method: geolocate
- * Activates the control.
- *
- */
- geolocate: function (position) {
- var center = new OpenLayers.LonLat(
- position.coords.longitude,
- position.coords.latitude
- ).transform(
- new OpenLayers.Projection("EPSG:4326"),
- this.map.getProjectionObject()
- );
- if (this.bind) {
- this.map.setCenter(center);
- }
- this.events.triggerEvent("locationupdated", {
- position: position,
- point: new OpenLayers.Geometry.Point(
- center.lon, center.lat
- )
- });
- },
-
- /**
- * APIMethod: getCurrentLocation
- *
- * Returns:
- * {Boolean} Returns true if a event will be fired (successfull
- * registration)
- */
- getCurrentLocation: function() {
- if (!this.active || this.watch) {
- return false;
- }
- this.geolocation.getCurrentPosition(
- OpenLayers.Function.bind(this.geolocate, this),
- OpenLayers.Function.bind(this.failure, this),
- this.geolocationOptions
- );
- return true;
- },
-
- /**
- * Method: failure
- * method called on browser's geolocation failure
- *
- */
- failure: function (error) {
- this.events.triggerEvent("locationfailed", {error: error});
- },
-
- CLASS_NAME: "OpenLayers.Control.Geolocate"
-});