/web/src/main/resources/public/scripts/js-all-min.js

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/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you 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 Functions for setting, getting and deleting cookies
 */

/**
 * Namespace for cookie functions
 */

// TODO: find the official solution for a cookies library
var shindig = shindig || {};
shindig.cookies = shindig.cookies || {};


shindig.cookies.JsType_ = {
  UNDEFINED: 'undefined'
};

shindig.cookies.isDef = function(val) {
  return typeof val != shindig.cookies.JsType_.UNDEFINED;
};


/**
 * Sets a cookie.
 * The max_age can be -1 to set a session cookie. To remove and expire cookies,
 * use remove() instead.
 *
 * @param {string} name The cookie name.
 * @param {string} value The cookie value.
 * @param {number} opt_maxAge The max age in seconds (from now). Use -1 to set
 *                            a session cookie. If not provided, the default is
 *                            -1 (i.e. set a session cookie).
 * @param {string} opt_path The path of the cookie, or null to not specify a
 *                          path attribute (browser will use the full request
 *                          path). If not provided, the default is '/' (i.e.
 *                          path=/).
 * @param {string} opt_domain The domain of the cookie, or null to not specify
 *                            a domain attribute (browser will use the full
 *                            request host name). If not provided, the default
 *                            is null (i.e. let browser use full request host
 *                            name).
 */
shindig.cookies.set = function(name, value, opt_maxAge, opt_path, opt_domain) {
  // we do not allow '=' or ';' in the name
  if (/;=/g.test(name)) {
    throw new Error('Invalid cookie name "' + name + '"');
  }
  // we do not allow ';' in value
  if (/;/g.test(value)) {
    throw new Error('Invalid cookie value "' + value + '"');
  }

  if (!shindig.cookies.isDef(opt_maxAge)) {
    opt_maxAge = -1;
  }

  var domainStr = opt_domain ? ';domain=' + opt_domain : '';
  var pathStr = opt_path ? ';path=' + opt_path : '';

  var expiresStr;

  // Case 1: Set a session cookie.
  if (opt_maxAge < 0) {
    expiresStr = '';

  // Case 2: Expire the cookie.
  // Note: We don't tell people about this option in the function doc because
  // we prefer people to use ExpireCookie() to expire cookies.
  } else if (opt_maxAge === 0) {
    // Note: Don't use Jan 1, 1970 for date because NS 4.76 will try to convert
    // it to local time, and if the local time is before Jan 1, 1970, then the
    // browser will ignore the Expires attribute altogether.
    var pastDate = new Date(1970, 1 /*Feb*/, 1);  // Feb 1, 1970
    expiresStr = ';expires=' + pastDate.toUTCString();

  // Case 3: Set a persistent cookie.
  } else {
    var futureDate = new Date((new Date).getTime() + opt_maxAge * 1000);
    expiresStr = ';expires=' + futureDate.toUTCString();
  }

  document.cookie = name + '=' + value + domainStr + pathStr + expiresStr;
};


/**
 * Returns the value for the first cookie with the given name
 * @param {string} name The name of the cookie to get
 * @param {string} opt_default If not found this is returned instead.
 * @return {string|undefined} The value of the cookie. If no cookie is set this
 *                            returns opt_default or undefined if opt_default is
 *                            not provided.
 */
shindig.cookies.get = function(name, opt_default) {
  var nameEq = name + "=";
  var cookie = String(document.cookie);
  for (var pos = -1; (pos = cookie.indexOf(nameEq, pos + 1)) >= 0;) {
    var i = pos;
    // walk back along string skipping whitespace and looking for a ; before
    // the name to make sure that we don't match cookies whose name contains
    // the given name as a suffix.
    while (--i >= 0) {
      var ch = cookie.charAt(i);
      if (ch == ';') {
        i = -1;  // indicate success
        break;
      }
    }
    if (i == -1) {  // first cookie in the string or we found a ;
      var end = cookie.indexOf(';', pos);
      if (end < 0) {
        end = cookie.length;
      }
      return cookie.substring(pos + nameEq.length, end);
    }
  }
  return opt_default;
};


/**
 * Removes and expires a cookie.
 *
 * @param {string} name The cookie name.
 * @param {string} opt_path The path of the cookie, or null to expire a cookie
 *                          set at the full request path. If not provided, the
 *                          default is '/' (i.e. path=/).
 * @param {string} opt_domain The domain of the cookie, or null to expire a
 *                            cookie set at the full request host name. If not
 *                            provided, the default is null (i.e. cookie at
 *                            full request host name).
 */
shindig.cookies.remove = function(name, opt_path, opt_domain) {
  var rv = shindig.cookies.containsKey(name);
  shindig.cookies.set(name, '', 0, opt_path, opt_domain);
  return rv;
};


/**
 * Gets the names and values for all the cookies
 * @private
 * @return {Object} An object with keys and values
 */
shindig.cookies.getKeyValues_ = function() {
  var cookie = String(document.cookie);
  var parts = cookie.split(/\s*;\s*/);
  var keys = [], values = [], index, part;
  for (var i = 0; part = parts[i]; i++) {
    index = part.indexOf('=');

    if (index == -1) { // empty name
      keys.push('');
      values.push(part);
    } else {
      keys.push(part.substring(0, index));
      values.push(part.substring(index + 1));
    }
  }
  return {keys: keys, values: values};
};


/**
 * Gets the names for all the cookies
 * @return {Array} An array with the names of the cookies
 */
shindig.cookies.getKeys = function() {
  return shindig.cookies.getKeyValues_().keys;
};


/**
 * Gets the values for all the cookies
 * @return {Array} An array with the values of the cookies
 */
shindig.cookies.getValues = function() {
  return shindig.cookies.getKeyValues_().values;
};


/**
 * Whether there are any cookies for this document
 * @return {boolean}
 */
shindig.cookies.isEmpty = function() {
  return document.cookie === '';
};


/**
 * Returns the number of cookies for this document
 * @return {number}
 */
shindig.cookies.getCount = function() {
  var cookie = String(document.cookie);
  if (cookie === '') {
    return 0;
  }
  var parts = cookie.split(/\s*;\s*/);
  return parts.length;
};


/**
 * Returns whether there is a cookie with the given name
 * @param {string} key The name of the cookie to test for
 * @return {boolean}
 */
shindig.cookies.containsKey = function(key) {
  var sentinel = {};
  // if get does not find the key it returns the default value. We therefore
  // compare the result with an object to ensure we do not get any false
  // positives.
  return shindig.cookies.get(key, sentinel) !== sentinel;
};


/**
 * Returns whether there is a cookie with the given value. (This is an O(n)
 * operation.)
 * @param {string} value The value to check for
 * @return {boolean}
 */
shindig.cookies.containsValue = function(value) {
  // this O(n) in any case so lets do the trivial thing.
  var values = shindig.cookies.getKeyValues_().values;
  for (var i = 0; i < values.length; i++) {
    if (values[i] == value) {
      return true;
    }
  }
  return false;
};


/**
 * Removes all cookies for this document
 */
shindig.cookies.clear = function() {
  var keys = shindig.cookies.getKeyValues_().keys;
  for (var i = keys.length - 1; i >= 0; i--) {
    shindig.cookies.remove(keys[i]);
  }
};

/**
 * Static constant for the size of cookies. Per the spec, there's a 4K limit
 * to the size of a cookie. To make sure users can't break this limit, we
 * should truncate long cookies at 3950 bytes, to be extra careful with dumb
 * browsers/proxies that interpret 4K as 4000 rather than 4096
 * @type number
 */
shindig.cookies.MAX_COOKIE_LENGTH = 3950;
/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you 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 Utility functions for the Open Gadget Container
 */

Function.prototype.inherits = function(parentCtor) {
  function tempCtor() {};
  tempCtor.prototype = parentCtor.prototype;
  this.superClass_ = parentCtor.prototype;
  this.prototype = new tempCtor();
  this.prototype.constructor = this;
};/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you 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 Open Gadget Container
 */

var gadgets = gadgets || {};

gadgets.error = {};
gadgets.error.SUBCLASS_RESPONSIBILITY = 'subclass responsibility';
gadgets.error.TO_BE_DONE = 'to be done';

gadgets.log = function(message) {
  if (window.console && console.log) {
    console.log(message);
  } else {
    var logEntry = document.createElement('div');
    logEntry.className = 'gadgets-log-entry';
    logEntry.innerHTML = message;
    document.body.appendChild(logEntry);
  }
};

/**
 * Calls an array of asynchronous functions and calls the continuation
 * function when all are done.
 * @param {Array} functions Array of asynchronous functions, each taking
 *     one argument that is the continuation function that handles the result
 *     That is, each function is something like the following:
 *     function(continuation) {
 *       // compute result asynchronously
 *       continuation(result);
 *     }
 * @param {Function} continuation Function to call when all results are in.  It
 *     is pass an array of all results of all functions
 * @param {Object} opt_this Optional object used as "this" when calling each
 *     function
 */
gadgets.callAsyncAndJoin = function(functions, continuation, opt_this) {
  var pending = functions.length;
  var results = [];
  for (var i = 0; i < functions.length; i++) {
    // we need a wrapper here because i changes and we need one index
    // variable per closure
    var wrapper = function(index) {
      functions[index].call(opt_this, function(result) {
        results[index] = result;
        if (--pending === 0) {
          continuation(results);
        }
      });
    };
    wrapper(i);
  }
};


// ----------
// Extensible

gadgets.Extensible = function() {
};

/**
 * Sets the dependencies.
 * @param {Object} dependencies Object whose properties are set on this
 *     container as dependencies
 */
gadgets.Extensible.prototype.setDependencies = function(dependencies) {
  for (var p in dependencies) {
    this[p] = dependencies[p];
  }
};

/**
 * Returns a dependency given its name.
 * @param {String} name Name of dependency
 * @return {Object} Dependency with that name or undefined if not found
 */
gadgets.Extensible.prototype.getDependencies = function(name) {
  return this[name];
};



// -------------
// UserPrefStore

/**
 * User preference store interface.
 * @constructor
 */
gadgets.UserPrefStore = function() {
};

/**
 * Gets all user preferences of a gadget.
 * @param {Object} gadget Gadget object
 * @return {Object} All user preference of given gadget
 */
gadgets.UserPrefStore.prototype.getPrefs = function(gadget) {
  throw Error(gadgets.error.SUBCLASS_RESPONSIBILITY);
};

/**
 * Saves user preferences of a gadget in the store.
 * @param {Object} gadget Gadget object
 * @param {Object} prefs User preferences
 */
gadgets.UserPrefStore.prototype.savePrefs = function(gadget) {
  throw Error(gadgets.error.SUBCLASS_RESPONSIBILITY);
};


// -------------
// DefaultUserPrefStore

/**
 * User preference store implementation.
 * TODO: Turn this into a real implementation that is production safe
 * @constructor
 */
gadgets.DefaultUserPrefStore = function() {
  gadgets.UserPrefStore.call(this);
};
gadgets.DefaultUserPrefStore.inherits(gadgets.UserPrefStore);

gadgets.DefaultUserPrefStore.prototype.getPrefs = function(gadget) { };

gadgets.DefaultUserPrefStore.prototype.savePrefs = function(gadget) { };


// -------------
// GadgetService

/**
 * Interface of service provided to gadgets for resizing gadgets,
 * setting title, etc.
 * @constructor
 */
gadgets.GadgetService = function() {
};

gadgets.GadgetService.prototype.setHeight = function(elementId, height) {
  throw Error(gadgets.error.SUBCLASS_RESPONSIBILITY);
};

gadgets.GadgetService.prototype.setTitle = function(gadget, title) {
  throw Error(gadgets.error.SUBCLASS_RESPONSIBILITY);
};

gadgets.GadgetService.prototype.setUserPref = function(id) {
  throw Error(gadgets.error.SUBCLASS_RESPONSIBILITY);
};


// ----------------
// IfrGadgetService

/**
 * Base implementation of GadgetService.
 * @constructor
 */
gadgets.IfrGadgetService = function() {
  gadgets.GadgetService.call(this);
  gadgets.rpc.register('resize_iframe', this.setHeight);
  gadgets.rpc.register('set_pref', this.setUserPref);
  gadgets.rpc.register('set_title', this.setTitle);
  gadgets.rpc.register('requestNavigateTo', this.requestNavigateTo);
};

gadgets.IfrGadgetService.inherits(gadgets.GadgetService);

gadgets.IfrGadgetService.prototype.setHeight = function(height) {
  if (height > gadgets.container.maxheight_) {
    height = gadgets.container.maxheight_;
  }

  var element = document.getElementById(this.f);
  if (element) {
    element.style.height = height + 'px';
  }
};

gadgets.IfrGadgetService.prototype.setTitle = function(title) {
  var element = document.getElementById(this.f + '_title');
  if (element) {
    element.innerHTML = title.replace(/&/g, '&amp;').replace(/</g, '&lt;');
  }
};

/**
 * Sets one or more user preferences
 * @param {String} editToken
 * @param {String} name Name of user preference
 * @param {String} value Value of user preference
 * More names and values may follow
 */
gadgets.IfrGadgetService.prototype.setUserPref = function(editToken, name,
    value) {
  var id = gadgets.container.gadgetService.getGadgetIdFromModuleId(this.f);
  var gadget = gadgets.container.getGadget(id);
  var prefs = gadget.getUserPrefs() || {};
  for (var i = 1, j = arguments.length; i < j; i += 2) {
    prefs[arguments[i]] = arguments[i + 1];
  }
  gadget.setUserPrefs(prefs);
};

/**
 * Navigates the page to a new url based on a gadgets requested view and
 * parameters.
 */
gadgets.IfrGadgetService.prototype.requestNavigateTo = function(view,
    opt_params) {
  var id = gadgets.container.gadgetService.getGadgetIdFromModuleId(this.f);
  var url = gadgets.container.gadgetService.getUrlForView(view);

  if (opt_params) {
    var paramStr = gadgets.json.stringify(opt_params);
    if (paramStr.length > 0) {
      url += '&appParams=' + encodeURIComponent(paramStr);
    }
  }

  if (url && document.location.href.indexOf(url) == -1) {
    document.location.href = url;
  }
};

/**
 * This is a silly implementation that will need to be overriden by almost all
 * real containers.
 * TODO: Find a better default for this function
 *
 * @param view The view name to get the url for
 */
gadgets.IfrGadgetService.prototype.getUrlForView = function(
    view) {
  if (view === 'canvas') {
    return '/canvas';
  } else if (view === 'profile') {
    return '/profile';
  } else {
    return null;
  }
};

gadgets.IfrGadgetService.prototype.getGadgetIdFromModuleId = function(
    moduleId) {
  // Quick hack to extract the gadget id from module id
  return parseInt(moduleId.match(/_([0-9]+)$/)[1], 10);
};


// -------------
// LayoutManager

/**
 * Layout manager interface.
 * @constructor
 */
gadgets.LayoutManager = function() {
};

/**
 * Gets the HTML element that is the chrome of a gadget into which the content
 * of the gadget can be rendered.
 * @param {Object} gadget Gadget instance
 * @return {Object} HTML element that is the chrome for the given gadget
 */
gadgets.LayoutManager.prototype.getGadgetChrome = function(gadget) {
  throw Error(gadgets.error.SUBCLASS_RESPONSIBILITY);
};

// -------------------
// StaticLayoutManager

/**
 * Static layout manager where gadget ids have a 1:1 mapping to chrome ids.
 * @constructor
 */
gadgets.StaticLayoutManager = function() {
  gadgets.LayoutManager.call(this);
};

gadgets.StaticLayoutManager.inherits(gadgets.LayoutManager);

/**
 * Sets chrome ids, whose indexes are gadget instance ids (starting from 0).
 * @param {Array} gadgetChromeIds Gadget id to chrome id map
 */
gadgets.StaticLayoutManager.prototype.setGadgetChromeIds =
    function(gadgetChromeIds) {
  this.gadgetChromeIds_ = gadgetChromeIds;
};

gadgets.StaticLayoutManager.prototype.getGadgetChrome = function(gadget) {
  var chromeId = this.gadgetChromeIds_[gadget.id];
  return chromeId ? document.getElementById(chromeId) : null;
};


// ----------------------
// FloatLeftLayoutManager

/**
 * FloatLeft layout manager where gadget ids have a 1:1 mapping to chrome ids.
 * @constructor
 * @param {String} layoutRootId Id of the element that is the parent of all
 *     gadgets.
 */
gadgets.FloatLeftLayoutManager = function(layoutRootId) {
  gadgets.LayoutManager.call(this);
  this.layoutRootId_ = layoutRootId;
};

gadgets.FloatLeftLayoutManager.inherits(gadgets.LayoutManager);

gadgets.FloatLeftLayoutManager.prototype.getGadgetChrome =
    function(gadget) {
  var layoutRoot = document.getElementById(this.layoutRootId_);
  if (layoutRoot) {
    var chrome = document.createElement('div');
    chrome.className = 'gadgets-gadget-chrome';
    chrome.style.cssFloat = 'left';
    layoutRoot.appendChild(chrome);
    return chrome;
  } else {
    return null;
  }
};


// ------
// Gadget

/**
 * Creates a new instance of gadget.  Optional parameters are set as instance
 * variables.
 * @constructor
 * @param {Object} params Parameters to set on gadget.  Common parameters:
 *    "specUrl": URL to gadget specification
 *    "private": Whether gadget spec is accessible only privately, which means
 *        browser can load it but not gadget server
 *    "spec": Gadget Specification in XML
 *    "viewParams": a javascript object containing attribute value pairs
 *        for this gadgets
 *    "secureToken": an encoded token that is passed on the URL hash
 *    "hashData": Query-string like data that will be added to the
 *        hash portion of the URL.
 *    "specVersion": a hash value used to add a v= param to allow for better caching
 *    "title": the default title to use for the title bar.
 *    "height": height of the gadget
 *    "width": width of the gadget
 *    "debug": send debug=1 to the gadget server, gets us uncompressed
 *        javascript
 */
gadgets.Gadget = function(params) {
  this.userPrefs_ = {};

  if (params) {
    for (var name in params)  if (params.hasOwnProperty(name)) {
      this[name] = params[name];
    }
  }
  if (!this.secureToken) {
    // Assume that the default security token implementation is
    // in use on the server.
    this.secureToken = 'john.doe:john.doe:appid:cont:url:0:default';
  }
};

gadgets.Gadget.prototype.getUserPrefs = function() {
  return this.userPrefs_;
};

gadgets.Gadget.prototype.setUserPrefs = function(userPrefs) {
  this.userPrefs_ = userPrefs;
  gadgets.container.userPrefStore.savePrefs(this);
};

gadgets.Gadget.prototype.getUserPref = function(name) {
  return this.userPrefs_[name];
};

gadgets.Gadget.prototype.setUserPref = function(name, value) {
  this.userPrefs_[name] = value;
  gadgets.container.userPrefStore.savePrefs(this);
};

gadgets.Gadget.prototype.render = function(chrome) {
  if (chrome) {
    var gadget = this;
    this.getContent(function(content) {
      chrome.innerHTML = content;
      window.frames[gadget.getIframeId()].location = gadget.getIframeUrl(); 
    });
  }
};

gadgets.Gadget.prototype.getContent = function(continuation) {
  gadgets.callAsyncAndJoin([
      this.getTitleBarContent, this.getUserPrefsDialogContent,
      this.getMainContent], function(results) {
        continuation(results.join(''));
      }, this);
};

/**
 * Gets title bar content asynchronously or synchronously.
 * @param {Function} continuation Function that handles title bar content as
 *     the one and only argument
 */
gadgets.Gadget.prototype.getTitleBarContent = function(continuation) {
  throw Error(gadgets.error.SUBCLASS_RESPONSIBILITY);
};

/**
 * Gets user preferences dialog content asynchronously or synchronously.
 * @param {Function} continuation Function that handles user preferences
 *     content as the one and only argument
 */
gadgets.Gadget.prototype.getUserPrefsDialogContent = function(continuation) {
  throw Error(gadgets.error.SUBCLASS_RESPONSIBILITY);
};

/**
 * Gets gadget content asynchronously or synchronously.
 * @param {Function} continuation Function that handles gadget content as
 *     the one and only argument
 */
gadgets.Gadget.prototype.getMainContent = function(continuation) {
  throw Error(gadgets.error.SUBCLASS_RESPONSIBILITY);
};

/*
 * Gets additional parameters to append to the iframe url
 * Override this method if you need any custom params.
 */
gadgets.Gadget.prototype.getAdditionalParams = function() {
  return '';
};


// ---------
// IfrGadget

gadgets.IfrGadget = function(opt_params) {
  gadgets.Gadget.call(this, opt_params);
  this.serverBase_ = '../../'; // default gadget server
};

gadgets.IfrGadget.inherits(gadgets.Gadget);

gadgets.IfrGadget.prototype.GADGET_IFRAME_PREFIX_ = 'remote_iframe_';

gadgets.IfrGadget.prototype.CONTAINER = 'default';

gadgets.IfrGadget.prototype.cssClassGadget = 'gadgets-gadget';
gadgets.IfrGadget.prototype.cssClassTitleBar = 'gadgets-gadget-title-bar';
gadgets.IfrGadget.prototype.cssClassTitle = 'gadgets-gadget-title';
gadgets.IfrGadget.prototype.cssClassTitleButtonBar =
    'gadgets-gadget-title-button-bar';
gadgets.IfrGadget.prototype.cssClassGadgetUserPrefsDialog =
    'gadgets-gadget-user-prefs-dialog';
gadgets.IfrGadget.prototype.cssClassGadgetUserPrefsDialogActionBar =
    'gadgets-gadget-user-prefs-dialog-action-bar';
gadgets.IfrGadget.prototype.cssClassTitleButton = 'gadgets-gadget-title-button';
gadgets.IfrGadget.prototype.cssClassGadgetContent = 'gadgets-gadget-content';
gadgets.IfrGadget.prototype.rpcToken = (0x7FFFFFFF * Math.random()) | 0;
gadgets.IfrGadget.prototype.rpcRelay = 'files/container/rpc_relay.html';

gadgets.IfrGadget.prototype.getTitleBarContent = function(continuation) {
  continuation('<div id="' + this.cssClassTitleBar + '-' + this.id +
      '" class="' + this.cssClassTitleBar + '"><span id="' +
      this.getIframeId() + '_title" class="' +
      this.cssClassTitle + '">' + (this.title ? this.title : 'Title') + '</span> | <span class="' +
      this.cssClassTitleButtonBar +
      '"><a href="#" onclick="gadgets.container.getGadget(' + this.id +
      ').handleOpenUserPrefsDialog();return false;" class="' + this.cssClassTitleButton +
      '">settings</a> <a href="#" onclick="gadgets.container.getGadget(' +
      this.id + ').handleToggle();return false;" class="' + this.cssClassTitleButton +
      '">toggle</a></span></div>');
};

gadgets.IfrGadget.prototype.getUserPrefsDialogContent = function(continuation) {
  continuation('<div id="' + this.getUserPrefsDialogId() + '" class="' +
      this.cssClassGadgetUserPrefsDialog + '"></div>');
};

gadgets.IfrGadget.prototype.setServerBase = function(url) {
  this.serverBase_ = url;
};

gadgets.IfrGadget.prototype.getServerBase = function() {
  return this.serverBase_;
};

gadgets.IfrGadget.prototype.getMainContent = function(continuation) {
  var iframeId = this.getIframeId();
  gadgets.rpc.setRelayUrl(iframeId, this.serverBase_ + this.rpcRelay);
  gadgets.rpc.setAuthToken(iframeId, this.rpcToken);
  continuation('<div class="' + this.cssClassGadgetContent + '"><iframe id="' +
      iframeId + '" name="' + iframeId + '" class="' + this.cssClassGadget +
      '" src="about:blank' +
      '" frameborder="no" scrolling="no"' +
      (this.height ? ' height="' + this.height + '"' : '') +
      (this.width ? ' width="' + this.width + '"' : '') +
      '></iframe></div>');
};

gadgets.IfrGadget.prototype.getIframeId = function() {
  return this.GADGET_IFRAME_PREFIX_ + this.id;
};

gadgets.IfrGadget.prototype.getUserPrefsDialogId = function() {
  return this.getIframeId() + '_userPrefsDialog';
};

gadgets.IfrGadget.prototype.getIframeUrl = function() {
  return this.serverBase_ + 'ifr?' +
      'container=' + this.CONTAINER +
      '&mid=' +  this.id +
      '&nocache=' + gadgets.container.nocache_ +
      '&country=' + gadgets.container.country_ +
      '&lang=' + gadgets.container.language_ +
      '&view=' + gadgets.container.view_ +
      (this.specVersion ? '&v=' + this.specVersion : '') +
      (gadgets.container.parentUrl_ ? '&parent=' + encodeURIComponent(gadgets.container.parentUrl_) : '') +
      (this.debug ? '&debug=1' : '') +
      this.getAdditionalParams() +
      this.getUserPrefsParams() +
      (this.secureToken ? '&st=' + this.secureToken : '') +
      '&url=' + encodeURIComponent(this.specUrl) +
      '#rpctoken=' + this.rpcToken +
      (this.viewParams ?
          '&view-params=' +  encodeURIComponent(gadgets.json.stringify(this.viewParams)) : '') +
      (this.hashData ? '&' + this.hashData : '');
};

gadgets.IfrGadget.prototype.getUserPrefsParams = function() {
  var params = '';
  if (this.getUserPrefs()) {
    for(var name in this.getUserPrefs()) {
      var value = this.getUserPref(name);
      params += '&up_' + encodeURIComponent(name) + '=' +
          encodeURIComponent(value);
    }
  }
  return params;
};

gadgets.IfrGadget.prototype.handleToggle = function() {
  var gadgetIframe = document.getElementById(this.getIframeId());
  if (gadgetIframe) {
    var gadgetContent = gadgetIframe.parentNode;
    var display = gadgetContent.style.display;
    gadgetContent.style.display = display ? '' : 'none';
  }
};

gadgets.IfrGadget.prototype.handleOpenUserPrefsDialog = function() {
  if (this.userPrefsDialogContentLoaded) {
    this.showUserPrefsDialog();
  } else {
    var gadget = this;
    var igCallbackName = 'ig_callback_' + this.id;
    window[igCallbackName] = function(userPrefsDialogContent) {
      gadget.userPrefsDialogContentLoaded = true;
      gadget.buildUserPrefsDialog(userPrefsDialogContent);
      gadget.showUserPrefsDialog();
    };

    var script = document.createElement('script');
    script.src = 'http://gmodules.com/ig/gadgetsettings?mid=' + this.id +
        '&output=js' + this.getUserPrefsParams() +  '&url=' + this.specUrl;
    document.body.appendChild(script);
  }
};

gadgets.IfrGadget.prototype.buildUserPrefsDialog = function(content) {
  var userPrefsDialog = document.getElementById(this.getUserPrefsDialogId());
  userPrefsDialog.innerHTML = content +
      '<div class="' + this.cssClassGadgetUserPrefsDialogActionBar +
      '"><input type="button" value="Save" onclick="gadgets.container.getGadget(' +
      this.id +').handleSaveUserPrefs()"> <input type="button" value="Cancel" onclick="gadgets.container.getGadget(' +
      this.id +').handleCancelUserPrefs()"></div>';
  userPrefsDialog.childNodes[0].style.display = '';
};

gadgets.IfrGadget.prototype.showUserPrefsDialog = function(opt_show) {
  var userPrefsDialog = document.getElementById(this.getUserPrefsDialogId());
  userPrefsDialog.style.display = (opt_show || opt_show === undefined)
      ? '' : 'none';
};

gadgets.IfrGadget.prototype.hideUserPrefsDialog = function() {
  this.showUserPrefsDialog(false);
};

gadgets.IfrGadget.prototype.handleSaveUserPrefs = function() {
  this.hideUserPrefsDialog();

  var prefs = {};
  var numFields = document.getElementById('m_' + this.id +
      '_numfields').value;
  for (var i = 0; i < numFields; i++) {
    var input = document.getElementById('m_' + this.id + '_' + i);
    if (input.type != 'hidden') {
      var userPrefNamePrefix = 'm_' + this.id + '_up_';
      var userPrefName = input.name.substring(userPrefNamePrefix.length);
      var userPrefValue = input.value;
      prefs[userPrefName] = userPrefValue;
    }
  }

  this.setUserPrefs(prefs);
  this.refresh();
};

gadgets.IfrGadget.prototype.handleCancelUserPrefs = function() {
  this.hideUserPrefsDialog();
};

gadgets.IfrGadget.prototype.refresh = function() {
  var iframeId = this.getIframeId();
  document.getElementById(iframeId).src = this.getIframeUrl();
};


// ---------
// Container

/**
 * Container interface.
 * @constructor
 */
gadgets.Container = function() {
  this.gadgets_ = {};
  this.parentUrl_ = 'http://' + document.location.host;
  this.country_ = 'ALL';
  this.language_ = 'ALL';
  this.view_ = 'default';
  this.nocache_ = 1;

  // signed max int
  this.maxheight_ = 0x7FFFFFFF;
};

gadgets.Container.inherits(gadgets.Extensible);

/**
 * Known dependencies:
 *     gadgetClass: constructor to create a new gadget instance
 *     userPrefStore: instance of a subclass of gadgets.UserPrefStore
 *     gadgetService: instance of a subclass of gadgets.GadgetService
 *     layoutManager: instance of a subclass of gadgets.LayoutManager
 */

gadgets.Container.prototype.gadgetClass = gadgets.Gadget;

gadgets.Container.prototype.userPrefStore = new gadgets.DefaultUserPrefStore();

gadgets.Container.prototype.gadgetService = new gadgets.GadgetService();

gadgets.Container.prototype.layoutManager =
    new gadgets.StaticLayoutManager();

gadgets.Container.prototype.setParentUrl = function(url) {
  this.parentUrl_ = url;
};

gadgets.Container.prototype.setCountry = function(country) {
  this.country_ = country;
};

gadgets.Container.prototype.setNoCache = function(nocache) {
  this.nocache_ = nocache;
};

gadgets.Container.prototype.setLanguage = function(language) {
  this.language_ = language;
};

gadgets.Container.prototype.setView = function(view) {
  this.view_ = view;
};

gadgets.Container.prototype.setMaxHeight = function(maxheight) {
  this.maxheight_ = maxheight;
};

gadgets.Container.prototype.getGadgetKey_ = function(instanceId) {
  return 'gadget_' + instanceId;
};

gadgets.Container.prototype.getGadget = function(instanceId) {
  return this.gadgets_[this.getGadgetKey_(instanceId)];
};

gadgets.Container.prototype.createGadget = function(opt_params) {
  return new this.gadgetClass(opt_params);
};

gadgets.Container.prototype.addGadget = function(gadget) {
  gadget.id = this.getNextGadgetInstanceId();
  gadget.setUserPrefs(this.userPrefStore.getPrefs(gadget));
  this.gadgets_[this.getGadgetKey_(gadget.id)] = gadget;
};

gadgets.Container.prototype.addGadgets = function(gadgets) {
  for (var i = 0; i < gadgets.length; i++) {
    this.addGadget(gadgets[i]);
  }
};

/**
 * Renders all gadgets in the container.
 */
gadgets.Container.prototype.renderGadgets = function() {
  for (var key in this.gadgets_) {
    this.renderGadget(this.gadgets_[key]);
  }
};

/**
 * Renders a gadget.  Gadgets are rendered inside their chrome element.
 * @param {Object} gadget Gadget object
 */
gadgets.Container.prototype.renderGadget = function(gadget) {
  throw Error(gadgets.error.SUBCLASS_RESPONSIBILITY);
};

gadgets.Container.prototype.nextGadgetInstanceId_ = 0;

gadgets.Container.prototype.getNextGadgetInstanceId = function() {
  return this.nextGadgetInstanceId_++;
};

/**
 * Refresh all the gadgets in the container.
 */
gadgets.Container.prototype.refreshGadgets = function() {
  for (var key in this.gadgets_) {
    this.gadgets_[key].refresh();
  }
};


// ------------
// IfrContainer

/**
 * Container that renders gadget using ifr.
 * @constructor
 */
gadgets.IfrContainer = function() {
  gadgets.Container.call(this);
};

gadgets.IfrContainer.inherits(gadgets.Container);

gadgets.IfrContainer.prototype.gadgetClass = gadgets.IfrGadget;

gadgets.IfrContainer.prototype.gadgetService = new gadgets.IfrGadgetService();

gadgets.IfrContainer.prototype.setParentUrl = function(url) {
  if (!url.match(/^http[s]?:\/\//)) {
    url = document.location.href.match(/^[^?#]+\//)[0] + url;
  }

  this.parentUrl_ = url;
};

/**
 * Renders a gadget using ifr.
 * @param {Object} gadget Gadget object
 */
gadgets.IfrContainer.prototype.renderGadget = function(gadget) {
  var chrome = this.layoutManager.getGadgetChrome(gadget);
  gadget.render(chrome);
};

/**
 * Default container.
 */
gadgets.container = new gadgets.IfrContainer();
/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you 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 Implements the gadgets.UserPrefStore interface using a cookies
 * based implementation. Depends on cookies.js. This code should not be used in
 * a production environment.
 */

/**
 * Cookie-based user preference store.
 * @constructor
 */
gadgets.CookieBasedUserPrefStore = function() {
  gadgets.UserPrefStore.call(this);
};

gadgets.CookieBasedUserPrefStore.inherits(gadgets.UserPrefStore);

gadgets.CookieBasedUserPrefStore.prototype.USER_PREFS_PREFIX =
    'gadgetUserPrefs-';

gadgets.CookieBasedUserPrefStore.prototype.getPrefs = function(gadget) {
  var userPrefs = {};
  var cookieName = this.USER_PREFS_PREFIX + gadget.id;
  var cookie = shindig.cookies.get(cookieName);
  if (cookie) {
    var pairs = cookie.split('&');
    for (var i = 0; i < pairs.length; i++) {
      var nameValue = pairs[i].split('=');
      var name = decodeURIComponent(nameValue[0]);
      var value = decodeURIComponent(nameValue[1]);
      userPrefs[name] = value;
    }
  }

  return userPrefs;
};

gadgets.CookieBasedUserPrefStore.prototype.savePrefs = function(gadget) {
  var pairs = [];
  for (var name in gadget.getUserPrefs()) {
    var value = gadget.getUserPref(name);
    var pair = encodeURIComponent(name) + '=' + encodeURIComponent(value);
    pairs.push(pair);
  }

  var cookieName = this.USER_PREFS_PREFIX + gadget.id;
  var cookieValue = pairs.join('&');
  shindig.cookies.set(cookieName, cookieValue);
};

gadgets.Container.prototype.userPrefStore =
    new gadgets.CookieBasedUserPrefStore();
/*
Copyright (c) 2009, Yahoo! Inc. All rights reserved.
Code licensed under the BSD License:
http://developer.yahoo.net/yui/license.txt
version: 2.7.0
*/
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