| Index: third_party/polymer/v0_8/components-chromium/iron-jsonp-library/iron-jsonp-library-extracted.js
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| diff --git a/third_party/polymer/v0_8/components-chromium/iron-jsonp-library/iron-jsonp-library-extracted.js b/third_party/polymer/v0_8/components-chromium/iron-jsonp-library/iron-jsonp-library-extracted.js
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| new file mode 100644
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| index 0000000000000000000000000000000000000000..210f6a31d074770cfb095e4b58e06a98e09a981b
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| --- /dev/null
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| +++ b/third_party/polymer/v0_8/components-chromium/iron-jsonp-library/iron-jsonp-library-extracted.js
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| @@ -0,0 +1,227 @@
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| +
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| +(function() {
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| + "use strict";
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| + /**
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| + `Polymer.IronJsonpLibraryBehavior` loads a jsonp library.
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| + Multiple components can request same library, only one copy will load.
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| +
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| + Some libraries require a specific global function be defined.
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| + If this is the case, specify the `callbackName` property.
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| +
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| + You should use an HTML Import to load library dependencies
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| + when possible instead of using this element.
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| +
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| + @hero hero.svg
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| + @polymerBehavior
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| + */
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| + Polymer.IronJsonpLibraryBehavior = {
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| +
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| + properties: {
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| + /**
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| + * True if library has been successfully loaded
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| + */
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| + libraryLoaded: {
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| + type: Boolean,
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| + value: false,
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| + notify: true,
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| + readOnly: true
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| + },
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| + /**
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| + * Not null if library has failed to load
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| + */
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| + libraryErrorMessage: {
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| + type: String,
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| + value: null,
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| + notify: true,
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| + readOnly: true
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| + }
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| + // Following properties are to be set by behavior users
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| + /**
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| + * Library url. Must contain string `%%callback_name%%`.
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| + *
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| + * `%%callback_name%%` is a placeholder for jsonp wrapper function name
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| + *
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| + * Ex: https://maps.googleapis.com/maps/api/js?callback=%%callback%%
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| + * @property libraryUrl
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| + */
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| + /**
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| + * Set if library requires specific callback name.
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| + * Name will be automatically generated if not set.
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| + * @property callbackName
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| + */
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| + /**
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| + * name of event to be emitted when library loads. Standard is `api-load`
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| + * @property notifyEvent
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| + */
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| + /**
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| + * event with name specified in `notifyEvent` attribute
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| + * will fire upon successful load2
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| + * @event `notifyEvent`
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| + */
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| + },
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| +
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| + _libraryLoadCallback: function(err, result) {
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| + if (err) {
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| + console.warn("Library load failed:", err.message);
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| + this._setLibraryErrorMessage(err.message);
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| + }
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| + else {
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| + this._setLibraryErrorMessage(null);
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| + this._setLibraryLoaded(true);
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| + if (this.notifyEvent)
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| + this.fire( this.notifyEvent, result);
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| + }
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| + },
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| +
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| + /** loads the library, and fires this.notifyEvent upon completion */
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| + _loadLibrary: function() {
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| + LoaderMap.require(
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| + this.libraryUrl,
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| + this._libraryLoadCallback.bind(this),
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| + this.callbackName
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| + );
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| + },
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| +
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| + ready: function() {
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| + this._loadLibrary();
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| + }
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| + };
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| +
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| + /*
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| + * LoaderMap keeps track of all Loaders
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| + */
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| + var LoaderMap = {
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| + apiMap: {}, // { hash -> Loader }
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| +
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| + /*
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| + * @param {function} notifyCallback loaded callback fn(result)
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| + * @param {string} jsonpCallbackName name of jsonpcallback. If API does not provide it, leave empty. Optional.
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| + */
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| + require: function(url, notifyCallback, jsonpCallbackName) {
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| +
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| + // make hashable string form url
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| + var name = this.nameFromUrl(url);
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| +
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| + // create a loader as needed
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| + if (!this.apiMap[name])
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| + this.apiMap[name] = new Loader(name, url, jsonpCallbackName);
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| +
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| + // ask for notification
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| + this.apiMap[name].requestNotify(notifyCallback);
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| + },
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| +
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| + nameFromUrl: function(url) {
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| + return url.replace(/[\:\/\%\?\&\.\=\-\,]/g, '_') + '_api';
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| + }
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| + };
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| +
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| + var Loader = function(name, url, callbackName) {
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| + this.notifiers = []; // array of notifyFn [ notifyFn* ]
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| +
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| + // callback is specified either as callback name
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| + // or computed dynamically if url has callbackMacro in it
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| + if (!callbackName) {
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| + if (url.indexOf(this.callbackMacro) >= 0) {
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| + callbackName = name + '_loaded';
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| + url = url.replace(this.callbackMacro, callbackName);
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| + } else {
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| + this.error = new Error('IronJsonpLibraryBehavior a %%callback_name%% parameter is required in libraryUrl');
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| + // TODO(sjmiles): we should probably fallback to listening to script.load
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| + return;
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| + }
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| + }
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| + this.callbackName = callbackName;
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| + window[this.callbackName] = this.success.bind(this);
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| + this.addScript(url);
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| + };
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| +
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| + Loader.prototype = {
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| +
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| + callbackMacro: '%%callback%%',
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| + loaded: false,
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| +
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| + addScript: function(src) {
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| + var script = document.createElement('script');
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| + script.src = src;
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| + script.onerror = this.handleError.bind(this);
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| + var s = document.querySelector('script') || document.body;
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| + s.parentNode.insertBefore(script, s);
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| + this.script = script;
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| + },
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| +
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| + removeScript: function() {
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| + if (this.script.parentNode) {
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| + this.script.parentNode.removeChild(this.script);
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| + }
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| + this.script = null;
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| + },
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| +
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| + handleError: function(ev) {
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| + this.error = new Error("Library failed to load");
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| + this.notifyAll();
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| + this.cleanup();
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| + },
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| +
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| + success: function() {
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| + this.loaded = true;
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| + this.result = Array.prototype.slice.call(arguments);
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| + this.notifyAll();
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| + this.cleanup();
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| + },
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| +
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| + cleanup: function() {
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| + delete window[this.callbackName];
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| + },
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| +
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| + notifyAll: function(notifyCallback) {
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| + this.notifiers.forEach( function(notifyCallback) {
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| + notifyCallback(this.error, this.result);
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| + }.bind(this));
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| + this.notifiers = [];
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| + },
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| +
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| + requestNotify: function(notifyCallback) {
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| + if (this.loaded || this.error) {
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| + notifyCallback( this.error, this.result);
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| + } else {
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| + this.notifiers.push(notifyCallback);
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| + }
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| + }
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| + };
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| +})();
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| +
|
| +;
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| + Polymer({
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| +
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| + is: 'iron-jsonp-library',
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| +
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| + behaviors: [ Polymer.IronJsonpLibraryBehavior ],
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| +
|
| + properties: {
|
| + /**
|
| + * Library url. Must contain string `%%callback_name%%`.
|
| + *
|
| + * `%%callback_name%%` is a placeholder for jsonp wrapper function name
|
| + *
|
| + * Ex: https://maps.googleapis.com/maps/api/js?callback=%%callback%%
|
| + */
|
| + libraryUrl: String,
|
| + /**
|
| + * Set if library requires specific callback name.
|
| + * Name will be automatically generated if not set.
|
| + */
|
| + callbackName: String,
|
| + /**
|
| + * event with name specified in 'notifyEvent' attribute
|
| + * will fire upon successful load
|
| + */
|
| + notifyEvent: String
|
| + /**
|
| + * event with name specified in 'notifyEvent' attribute
|
| + * will fire upon successful load
|
| + * @event `notifyEvent`
|
| + */
|
| +
|
| + }
|
| + });
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| +
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|
|