1 files changed, 0 insertions, 393 deletions
diff --git a/contexts/data/lib/closure-library/closure/goog/net/xpc/iframerelaytransport.js b/contexts/data/lib/closure-library/closure/goog/net/xpc/iframerelaytransport.js
deleted file mode 100644
index 1281c49..0000000
--- a/contexts/data/lib/closure-library/closure/goog/net/xpc/iframerelaytransport.js
+++ /dev/null
@@ -1,393 +0,0 @@
-// Copyright 2007 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 Contains the iframe relay tranport.
- */
-
-
-goog.provide('goog.net.xpc.IframeRelayTransport');
-
-goog.require('goog.dom');
-goog.require('goog.events');
-goog.require('goog.net.xpc');
-goog.require('goog.net.xpc.Transport');
-goog.require('goog.userAgent');
-
-
-
-/**
- * Iframe relay transport. Creates hidden iframes containing a document
- * from the peer's origin. Data is transferred in the fragment identifier.
- * Therefore the document loaded in the iframes can be served from the
- * browser's cache.
- *
- * @param {goog.net.xpc.CrossPageChannel} channel The channel this
- *     transport belongs to.
- * @param {goog.dom.DomHelper=} opt_domHelper The dom helper to use for finding
- *     the correct window.
- * @constructor
- * @extends {goog.net.xpc.Transport}
- */
-goog.net.xpc.IframeRelayTransport = function(channel, opt_domHelper) {
-  goog.base(this, opt_domHelper);
-
-  /**
-   * The channel this transport belongs to.
-   * @type {goog.net.xpc.CrossPageChannel}
-   * @private
-   */
-  this.channel_ = channel;
-
-  /**
-   * The URI used to relay data to the peer.
-   * @type {string}
-   * @private
-   */
-  this.peerRelayUri_ =
-      this.channel_.getConfig()[goog.net.xpc.CfgFields.PEER_RELAY_URI];
-
-  /**
-   * The id of the iframe the peer page lives in.
-   * @type {string}
-   * @private
-   */
-  this.peerIframeId_ =
-      this.channel_.getConfig()[goog.net.xpc.CfgFields.IFRAME_ID];
-
-  if (goog.userAgent.WEBKIT) {
-    goog.net.xpc.IframeRelayTransport.startCleanupTimer_();
-  }
-};
-goog.inherits(goog.net.xpc.IframeRelayTransport, goog.net.xpc.Transport);
-
-
-if (goog.userAgent.WEBKIT) {
-  /**
-   * Array to keep references to the relay-iframes. Used only if
-   * there is no way to detect when the iframes are loaded. In that
-   * case the relay-iframes are removed after a timeout.
-   * @type {Array.<Object>}
-   * @private
-   */
-  goog.net.xpc.IframeRelayTransport.iframeRefs_ = [];
-
-
-  /**
-   * Interval at which iframes are destroyed.
-   * @type {number}
-   * @private
-   */
-  goog.net.xpc.IframeRelayTransport.CLEANUP_INTERVAL_ = 1000;
-
-
-  /**
-   * Time after which a relay-iframe is destroyed.
-   * @type {number}
-   * @private
-   */
-  goog.net.xpc.IframeRelayTransport.IFRAME_MAX_AGE_ = 3000;
-
-
-  /**
-   * The cleanup timer id.
-   * @type {number}
-   * @private
-   */
-  goog.net.xpc.IframeRelayTransport.cleanupTimer_ = 0;
-
-
-  /**
-   * Starts the cleanup timer.
-   * @private
-   */
-  goog.net.xpc.IframeRelayTransport.startCleanupTimer_ = function() {
-    if (!goog.net.xpc.IframeRelayTransport.cleanupTimer_) {
-      goog.net.xpc.IframeRelayTransport.cleanupTimer_ = window.setTimeout(
-          function() { goog.net.xpc.IframeRelayTransport.cleanup_(); },
-          goog.net.xpc.IframeRelayTransport.CLEANUP_INTERVAL_);
-    }
-  };
-
-
-  /**
-   * Remove all relay-iframes which are older than the maximal age.
-   * @param {number=} opt_maxAge The maximal age in milliseconds.
-   * @private
-   */
-  goog.net.xpc.IframeRelayTransport.cleanup_ = function(opt_maxAge) {
-    var now = goog.now();
-    var maxAge =
-        opt_maxAge || goog.net.xpc.IframeRelayTransport.IFRAME_MAX_AGE_;
-
-    while (goog.net.xpc.IframeRelayTransport.iframeRefs_.length &&
-           now - goog.net.xpc.IframeRelayTransport.iframeRefs_[0].timestamp >=
-           maxAge) {
-      var ifr = goog.net.xpc.IframeRelayTransport.iframeRefs_.
-          shift().iframeElement;
-      goog.dom.removeNode(ifr);
-      goog.net.xpc.logger.finest('iframe removed');
-    }
-
-    goog.net.xpc.IframeRelayTransport.cleanupTimer_ = window.setTimeout(
-        goog.net.xpc.IframeRelayTransport.cleanupCb_,
-        goog.net.xpc.IframeRelayTransport.CLEANUP_INTERVAL_);
-  };
-
-
-  /**
-   * Function which wraps cleanup_().
-   * @private
-   */
-  goog.net.xpc.IframeRelayTransport.cleanupCb_ = function() {
-    goog.net.xpc.IframeRelayTransport.cleanup_();
-  };
-}
-
-
-/**
- * Maximum sendable size of a payload via a single iframe in IE.
- * @type {number}
- * @private
- */
-goog.net.xpc.IframeRelayTransport.IE_PAYLOAD_MAX_SIZE_ = 1800;
-
-
-/**
- * @typedef {{fragments: !Array.<string>, received: number, expected: number}}
- */
-goog.net.xpc.IframeRelayTransport.FragmentInfo;
-
-
-/**
- * Used to track incoming payload fragments. The implementation can process
- * incoming fragments from several channels at a time, even if data is
- * out-of-order or interleaved.
- *
- * @type {!Object.<string, !goog.net.xpc.IframeRelayTransport.FragmentInfo>}
- * @private
- */
-goog.net.xpc.IframeRelayTransport.fragmentMap_ = {};
-
-
-/**
- * The transport type.
- * @type {number}
- * @override
- */
-goog.net.xpc.IframeRelayTransport.prototype.transportType =
-    goog.net.xpc.TransportTypes.IFRAME_RELAY;
-
-
-/**
- * Connects this transport.
- * @override
- */
-goog.net.xpc.IframeRelayTransport.prototype.connect = function() {
-  if (!this.getWindow()['xpcRelay']) {
-    this.getWindow()['xpcRelay'] =
-        goog.net.xpc.IframeRelayTransport.receiveMessage_;
-  }
-
-  this.send(goog.net.xpc.TRANSPORT_SERVICE_, goog.net.xpc.SETUP);
-};
-
-
-/**
- * Processes an incoming message.
- *
- * @param {string} channelName The name of the channel.
- * @param {string} frame The raw frame content.
- * @private
- */
-goog.net.xpc.IframeRelayTransport.receiveMessage_ =
-    function(channelName, frame) {
-  var pos = frame.indexOf(':');
-  var header = frame.substr(0, pos);
-  var payload = frame.substr(pos + 1);
-
-  if (!goog.userAgent.IE || (pos = header.indexOf('|')) == -1) {
-    // First, the easy case.
-    var service = header;
-  } else {
-    // There was a fragment id in the header, so this is a message
-    // fragment, not a whole message.
-    var service = header.substr(0, pos);
-    var fragmentIdStr = header.substr(pos + 1);
-
-    // Separate the message id string and the fragment number. Note that
-    // there may be a single leading + in the argument to parseInt, but
-    // this is harmless.
-    pos = fragmentIdStr.indexOf('+');
-    var messageIdStr = fragmentIdStr.substr(0, pos);
-    var fragmentNum = parseInt(fragmentIdStr.substr(pos + 1), 10);
-    var fragmentInfo =
-        goog.net.xpc.IframeRelayTransport.fragmentMap_[messageIdStr];
-    if (!fragmentInfo) {
-      fragmentInfo =
-          goog.net.xpc.IframeRelayTransport.fragmentMap_[messageIdStr] =
-          {fragments: [], received: 0, expected: 0};
-    }
-
-    if (goog.string.contains(fragmentIdStr, '++')) {
-      fragmentInfo.expected = fragmentNum + 1;
-    }
-    fragmentInfo.fragments[fragmentNum] = payload;
-    fragmentInfo.received++;
-
-    if (fragmentInfo.received != fragmentInfo.expected) {
-      return;
-    }
-
-    // We've received all outstanding fragments; combine what we've received
-    // into payload and fall out to the call to xpcDeliver.
-    payload = fragmentInfo.fragments.join('');
-    delete goog.net.xpc.IframeRelayTransport.fragmentMap_[messageIdStr];
-  }
-
-  goog.net.xpc.channels[channelName].
-      xpcDeliver(service, decodeURIComponent(payload));
-};
-
-
-/**
- * Handles transport service messages (internal signalling).
- * @param {string} payload The message content.
- * @override
- */
-goog.net.xpc.IframeRelayTransport.prototype.transportServiceHandler =
-    function(payload) {
-  if (payload == goog.net.xpc.SETUP) {
-    // TODO(user) Safari swallows the SETUP_ACK from the iframe to the
-    // container after hitting reload.
-    this.send(goog.net.xpc.TRANSPORT_SERVICE_, goog.net.xpc.SETUP_ACK_);
-    this.channel_.notifyConnected();
-  }
-  else if (payload == goog.net.xpc.SETUP_ACK_) {
-    this.channel_.notifyConnected();
-  }
-};
-
-
-/**
- * Sends a message.
- *
- * @param {string} service Name of service this the message has to be delivered.
- * @param {string} payload The message content.
- * @override
- */
-goog.net.xpc.IframeRelayTransport.prototype.send = function(service, payload) {
-  // If we're on IE and the post-encoding payload is large, split it
-  // into multiple payloads and send each one separately. Otherwise,
-  // just send the whole thing.
-  var encodedPayload = encodeURIComponent(payload);
-  var encodedLen = encodedPayload.length;
-  var maxSize = goog.net.xpc.IframeRelayTransport.IE_PAYLOAD_MAX_SIZE_;
-
-  if (goog.userAgent.IE && encodedLen > maxSize) {
-    // A probabilistically-unique string used to link together all fragments
-    // in this message.
-    var messageIdStr = goog.string.getRandomString();
-
-    for (var startIndex = 0, fragmentNum = 0; startIndex < encodedLen;
-         fragmentNum++) {
-      var payloadFragment = encodedPayload.substr(startIndex, maxSize);
-      startIndex += maxSize;
-      var fragmentIdStr =
-          messageIdStr + (startIndex >= encodedLen ? '++' : '+') + fragmentNum;
-      this.send_(service, payloadFragment, fragmentIdStr);
-    }
-  } else {
-    this.send_(service, encodedPayload);
-  }
-};
-
-
-/**
- * Sends an encoded message or message fragment.
- * @param {string} service Name of service this the message has to be delivered.
- * @param {string} encodedPayload The message content, URI encoded.
- * @param {string=} opt_fragmentIdStr If sending a fragment, a string that
- *     identifies the fragment.
- * @private
- */
-goog.net.xpc.IframeRelayTransport.prototype.send_ =
-    function(service, encodedPayload, opt_fragmentIdStr) {
-  // IE requires that we create the onload attribute inline, otherwise the
-  // handler is not triggered
-  if (goog.userAgent.IE) {
-    var div = this.getWindow().document.createElement('div');
-    div.innerHTML = '<iframe onload="this.xpcOnload()"></iframe>';
-    var ifr = div.childNodes[0];
-    div = null;
-    ifr['xpcOnload'] = goog.net.xpc.IframeRelayTransport.iframeLoadHandler_;
-  } else {
-    var ifr = this.getWindow().document.createElement('iframe');
-
-    if (goog.userAgent.WEBKIT) {
-      // safari doesn't fire load-events on iframes.
-      // keep a reference and remove after a timeout.
-      goog.net.xpc.IframeRelayTransport.iframeRefs_.push({
-        timestamp: goog.now(),
-        iframeElement: ifr
-      });
-    } else {
-      goog.events.listen(ifr, 'load',
-                         goog.net.xpc.IframeRelayTransport.iframeLoadHandler_);
-    }
-  }
-
-  var style = ifr.style;
-  style.visibility = 'hidden';
-  style.width = ifr.style.height = '0px';
-  style.position = 'absolute';
-
-  var url = this.peerRelayUri_;
-  url += '#' + this.channel_.name;
-  if (this.peerIframeId_) {
-    url += ',' + this.peerIframeId_;
-  }
-  url += '|' + service;
-  if (opt_fragmentIdStr) {
-    url += '|' + opt_fragmentIdStr;
-  }
-  url += ':' + encodedPayload;
-
-  ifr.src = url;
-
-  this.getWindow().document.body.appendChild(ifr);
-
-  goog.net.xpc.logger.finest('msg sent: ' + url);
-};
-
-
-/**
- * The iframe load handler. Gets called as method on the iframe element.
- * @private
- * @this Element
- */
-goog.net.xpc.IframeRelayTransport.iframeLoadHandler_ = function() {
-  goog.net.xpc.logger.finest('iframe-load');
-  goog.dom.removeNode(this);
-  this.xpcOnload = null;
-};
-
-
-/** @override */
-goog.net.xpc.IframeRelayTransport.prototype.disposeInternal = function() {
-  goog.base(this, 'disposeInternal');
-  if (goog.userAgent.WEBKIT) {
-    goog.net.xpc.IframeRelayTransport.cleanup_(0);
-  }
-};