dev/core/src/com/google/gwt/core/linker/CrossSiteIframeTemplate.js

/*
 * Copyright 2010 Google Inc.
 *
 * 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.
 */
__BEGIN_TRY_BLOCK__
function __MODULE_FUNC__() {
  var $wnd = __WINDOW_DEF__;
  var $doc = __DOCUMENT_DEF__;

  sendStats('bootstrap', 'begin');

  /****************************************************************************
   * Internal Helper Functions
   ***************************************************************************/

  function isHostedMode() {
    var query = $wnd.location.search;
    return ((query.indexOf('gwt.codesvr.__MODULE_NAME__=') != -1) ||
            (query.indexOf('gwt.codesvr=') != -1));
  }

  // Helper function to send statistics to the __gwtStatsEvent function if it
  // exists.
  function sendStats(evtGroupString, typeString) {
    if ($wnd.__gwtStatsEvent) {
      $wnd.__gwtStatsEvent({
        moduleName: '__MODULE_NAME__',
        sessionId: $wnd.__gwtStatsSessionId,
        subSystem: 'startup',
        evtGroup: evtGroupString,
        millis:(new Date()).getTime(),
        type: typeString,
      });
    }
  }


  /****************************************************************************
   * Exposed Functions and Variables
   ***************************************************************************/
  // These are set by various parts of the bootstrapping code, but they always
  // need to exist, so give them all default values here.

  // Exposed for the convenience of the devmode.js and md5.js files
  __MODULE_FUNC__.__sendStats = sendStats;

  // Exposed for the call made to gwtOnLoad. Some are not figured out yet, so
  // assign them later, once the values are known.
  __MODULE_FUNC__.__moduleName = '__MODULE_NAME__';
  __MODULE_FUNC__.__errFn = null;
  __MODULE_FUNC__.__moduleBase = 'DUMMY';
  __MODULE_FUNC__.__softPermutationId = 0;

  // Exposed for devmode.js
  __MODULE_FUNC__.__computePropValue = null;
  // Exposed for super dev mode
  __MODULE_FUNC__.__getPropMap = null;
  
  // Exposed for runAsync
  __MODULE_FUNC__.__installRunAsyncCode = function() {};
  __MODULE_FUNC__.__gwtStartLoadingFragment = function() { return null; };

  // Exposed for property provider code
  __MODULE_FUNC__.__gwt_isKnownPropertyValue = function() { return false; };
  __MODULE_FUNC__.__gwt_getMetaProperty = function() { return null; };

  // Exposed for permutations code
  var __propertyErrorFunction = null;


  // Set up our entry in the page-wide registry of active modules.
  // It must be set up before calling computeScriptBase() and
  // getCompiledCodeFilename().
  var activeModules =
      ($wnd.__gwt_activeModules = ($wnd.__gwt_activeModules || {}));
  activeModules["__MODULE_NAME__"] = {moduleName: "__MODULE_NAME__"};

  __MODULE_FUNC__.__moduleStartupDone = function(permProps) {
    // Make embedded properties available to Super Dev Mode.
    // (They override any properties already exported.)
    var oldBindings = activeModules["__MODULE_NAME__"].bindings;
    activeModules["__MODULE_NAME__"].bindings = function() {
      var props = oldBindings ? oldBindings() : {};
      var embeddedProps = permProps[__MODULE_FUNC__.__softPermutationId];
      for (var i = 0; i < embeddedProps.length; i++) {
        var pair = embeddedProps[i];
        props[pair[0]] = pair[1];
      }
      return props;
    };
  };

  /****************************************************************************
   * Internal Helper functions that have been broken out into their own .js
   * files for readability and for easy sharing between linkers.  The linker
   * code will inject these functions in these placeholders.
   ***************************************************************************/
  // Provides getInstallLocationDoc() function.
  __INSTALL_LOCATION__

  // Provides the installScript() function.
  __INSTALL_SCRIPT__

  // Sets the __MODULE_FUNC__.__installRunAsyncCode and 
  // __MODULE_FUNC__.__startLoadingFragment functions
  __RUN_ASYNC__

  // Provides the processMetas() function which sets the __gwt_getMetaProperty
  // __propertyErrorFunction and __MODULE_FUNC__.__errFn variables if needed
  __PROCESS_METAS__

  // Provides the computeScriptBase() function
  __COMPUTE_SCRIPT_BASE__

  // Provides the computeUrlForResource() function
  __COMPUTE_URL_FOR_RESOURCE__

  // Provides the getCompiledCodeFilename() function which sets the following
  // variables if needed:
  //   __gwt_isKnownPropertyValue
  //   __MODULE_FUNC__.__computePropValue
  //   __MODULE_FUNC__.__getPropMap
  //   __MODULE_FUNC__.__softPermutationId
  __PERMUTATIONS__

  // Provides the loadExternalStylesheets() function
  __LOAD_STYLESHEETS__

  /****************************************************************************
   * Bootstrap startup code
   ***************************************************************************/

  // Must be called before computeScriptBase() and getCompiledFilename()
  processMetas();

  // Must be set before getCompiledFilename() is called
  __MODULE_FUNC__.__moduleBase = computeScriptBase();
  activeModules["__MODULE_NAME__"].moduleBase = __MODULE_FUNC__.__moduleBase;

  // Must be done right before the "bootstrap" "end" stat is sent
  var filename = getCompiledCodeFilename();

  __DEV_MODE_REDIRECT_HOOK__

  loadExternalStylesheets();

  sendStats('bootstrap', 'end');

  installScript(filename);

  return true; // success
}
__MODULE_FUNC__.succeeded = __MODULE_FUNC__();

__END_TRY_BLOCK_AND_START_CATCH__
  __MODULE_FUNC_ERROR_CATCH__
__END_CATCH_BLOCK__