aboutsummaryrefslogtreecommitdiff
path: root/contexts/data/lib/closure-library/closure/goog/net/xmlhttp.js
diff options
context:
space:
mode:
Diffstat (limited to 'contexts/data/lib/closure-library/closure/goog/net/xmlhttp.js')
-rw-r--r--contexts/data/lib/closure-library/closure/goog/net/xmlhttp.js228
1 files changed, 0 insertions, 228 deletions
diff --git a/contexts/data/lib/closure-library/closure/goog/net/xmlhttp.js b/contexts/data/lib/closure-library/closure/goog/net/xmlhttp.js
deleted file mode 100644
index da64e9f..0000000
--- a/contexts/data/lib/closure-library/closure/goog/net/xmlhttp.js
+++ /dev/null
@@ -1,228 +0,0 @@
-// Copyright 2006 The Closure Library Authors. All Rights Reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS-IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-/**
- * @fileoverview Low level handling of XMLHttpRequest.
- * @author arv@google.com (Erik Arvidsson)
- * @author dbk@google.com (David Barrett-Kahn)
- */
-
-goog.provide('goog.net.DefaultXmlHttpFactory');
-goog.provide('goog.net.XmlHttp');
-goog.provide('goog.net.XmlHttp.OptionType');
-goog.provide('goog.net.XmlHttp.ReadyState');
-
-goog.require('goog.net.WrapperXmlHttpFactory');
-goog.require('goog.net.XmlHttpFactory');
-
-
-/**
- * Static class for creating XMLHttpRequest objects.
- * @return {!(XMLHttpRequest|GearsHttpRequest)} A new XMLHttpRequest object.
- */
-goog.net.XmlHttp = function() {
- return goog.net.XmlHttp.factory_.createInstance();
-};
-
-
-/**
- * @define {boolean} Whether to assume XMLHttpRequest exists. Setting this to
- * true strips the ActiveX probing code.
- */
-goog.net.XmlHttp.ASSUME_NATIVE_XHR = false;
-
-
-/**
- * Gets the options to use with the XMLHttpRequest objects obtained using
- * the static methods.
- * @return {Object} The options.
- */
-goog.net.XmlHttp.getOptions = function() {
- return goog.net.XmlHttp.factory_.getOptions();
-};
-
-
-/**
- * Type of options that an XmlHttp object can have.
- * @enum {number}
- */
-goog.net.XmlHttp.OptionType = {
- /**
- * Whether a goog.nullFunction should be used to clear the onreadystatechange
- * handler instead of null.
- */
- USE_NULL_FUNCTION: 0,
-
- /**
- * NOTE(user): In IE if send() errors on a *local* request the readystate
- * is still changed to COMPLETE. We need to ignore it and allow the
- * try/catch around send() to pick up the error.
- */
- LOCAL_REQUEST_ERROR: 1
-};
-
-
-/**
- * Status constants for XMLHTTP, matches:
- * http://msdn.microsoft.com/library/default.asp?url=/library/
- * en-us/xmlsdk/html/0e6a34e4-f90c-489d-acff-cb44242fafc6.asp
- * @enum {number}
- */
-goog.net.XmlHttp.ReadyState = {
- /**
- * Constant for when xmlhttprequest.readyState is uninitialized
- */
- UNINITIALIZED: 0,
-
- /**
- * Constant for when xmlhttprequest.readyState is loading.
- */
- LOADING: 1,
-
- /**
- * Constant for when xmlhttprequest.readyState is loaded.
- */
- LOADED: 2,
-
- /**
- * Constant for when xmlhttprequest.readyState is in an interactive state.
- */
- INTERACTIVE: 3,
-
- /**
- * Constant for when xmlhttprequest.readyState is completed
- */
- COMPLETE: 4
-};
-
-
-/**
- * The global factory instance for creating XMLHttpRequest objects.
- * @type {goog.net.XmlHttpFactory}
- * @private
- */
-goog.net.XmlHttp.factory_;
-
-
-/**
- * Sets the factories for creating XMLHttpRequest objects and their options.
- * @param {Function} factory The factory for XMLHttpRequest objects.
- * @param {Function} optionsFactory The factory for options.
- * @deprecated Use setGlobalFactory instead.
- */
-goog.net.XmlHttp.setFactory = function(factory, optionsFactory) {
- goog.net.XmlHttp.setGlobalFactory(new goog.net.WrapperXmlHttpFactory(
- (/** @type {function() : !(XMLHttpRequest|GearsHttpRequest)} */ factory),
- (/** @type {function() : !Object}*/ optionsFactory)));
-};
-
-
-/**
- * Sets the global factory object.
- * @param {!goog.net.XmlHttpFactory} factory New global factory object.
- */
-goog.net.XmlHttp.setGlobalFactory = function(factory) {
- goog.net.XmlHttp.factory_ = factory;
-};
-
-
-
-/**
- * Default factory to use when creating xhr objects. You probably shouldn't be
- * instantiating this directly, but rather using it via goog.net.XmlHttp.
- * @extends {goog.net.XmlHttpFactory}
- * @constructor
- */
-goog.net.DefaultXmlHttpFactory = function() {
- goog.net.XmlHttpFactory.call(this);
-};
-goog.inherits(goog.net.DefaultXmlHttpFactory, goog.net.XmlHttpFactory);
-
-
-/** @override */
-goog.net.DefaultXmlHttpFactory.prototype.createInstance = function() {
- var progId = this.getProgId_();
- if (progId) {
- return new ActiveXObject(progId);
- } else {
- return new XMLHttpRequest();
- }
-};
-
-
-/** @override */
-goog.net.DefaultXmlHttpFactory.prototype.internalGetOptions = function() {
- var progId = this.getProgId_();
- var options = {};
- if (progId) {
- options[goog.net.XmlHttp.OptionType.USE_NULL_FUNCTION] = true;
- options[goog.net.XmlHttp.OptionType.LOCAL_REQUEST_ERROR] = true;
- }
- return options;
-};
-
-
-/**
- * The ActiveX PROG ID string to use to create xhr's in IE. Lazily initialized.
- * @type {string|undefined}
- * @private
- */
-goog.net.DefaultXmlHttpFactory.prototype.ieProgId_;
-
-
-/**
- * Initialize the private state used by other functions.
- * @return {string} The ActiveX PROG ID string to use to create xhr's in IE.
- * @private
- */
-goog.net.DefaultXmlHttpFactory.prototype.getProgId_ = function() {
- if (goog.net.XmlHttp.ASSUME_NATIVE_XHR) {
- return '';
- }
-
- // The following blog post describes what PROG IDs to use to create the
- // XMLHTTP object in Internet Explorer:
- // http://blogs.msdn.com/xmlteam/archive/2006/10/23/using-the-right-version-of-msxml-in-internet-explorer.aspx
- // However we do not (yet) fully trust that this will be OK for old versions
- // of IE on Win9x so we therefore keep the last 2.
- if (!this.ieProgId_ && typeof XMLHttpRequest == 'undefined' &&
- typeof ActiveXObject != 'undefined') {
- // Candidate Active X types.
- var ACTIVE_X_IDENTS = ['MSXML2.XMLHTTP.6.0', 'MSXML2.XMLHTTP.3.0',
- 'MSXML2.XMLHTTP', 'Microsoft.XMLHTTP'];
- for (var i = 0; i < ACTIVE_X_IDENTS.length; i++) {
- var candidate = ACTIVE_X_IDENTS[i];
- /** @preserveTry */
- try {
- new ActiveXObject(candidate);
- // NOTE(user): cannot assign progid and return candidate in one line
- // because JSCompiler complaings: BUG 658126
- this.ieProgId_ = candidate;
- return candidate;
- } catch (e) {
- // do nothing; try next choice
- }
- }
-
- // couldn't find any matches
- throw Error('Could not create ActiveXObject. ActiveX might be disabled,' +
- ' or MSXML might not be installed');
- }
-
- return /** @type {string} */ (this.ieProgId_);
-};
-
-
-//Set the global factory to an instance of the default factory.
-goog.net.XmlHttp.setGlobalFactory(new goog.net.DefaultXmlHttpFactory());