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Add option to load TileJSON via XHR

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This commit is contained in:
Petr Sloup
2016-01-05 13:10:50 +01:00
parent d9b89a8ebe
commit ffd9ace84e
2 changed files with 25 additions and 3 deletions
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19
src/ol/source/tilejsonsource.js
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@@ -9,6 +9,7 @@ goog.provide('ol.tilejson');
goog.require('goog.asserts');
goog.require('goog.net.Jsonp');
goog.require('goog.net.XhrIo');
goog.require('ol.Attribution');
goog.require('ol.TileRange');
goog.require('ol.TileUrlFunction');
@@ -40,9 +41,21 @@ ol.source.TileJSON = function(options) {
wrapX: options.wrapX !== undefined ? options.wrapX : true
});
var request = new goog.net.Jsonp(options.url);
request.send(undefined, goog.bind(this.handleTileJSONResponse, this),
goog.bind(this.handleTileJSONError, this));
if (options.useXhr) {
goog.net.XhrIo.send(options.url, goog.bind(function(e) {
var xhr = /** @type {goog.net.XhrIo} */(e.target);
if (xhr.isSuccess()) {
var response = /** @type {TileJSON} */(xhr.getResponseJson());
this.handleTileJSONResponse(response);
} else {
this.handleTileJSONError();
}
}, this));
} else {
var request = new goog.net.Jsonp(options.url);
request.send(undefined, goog.bind(this.handleTileJSONResponse, this),
goog.bind(this.handleTileJSONError, this));
}
};
goog.inherits(ol.source.TileJSON, ol.source.TileImage);