Yes, you are right indeed. This is a tradeoff between clean code and performance penalty. From where I test it is 184ms which is quite negligible compared to the time it takes to load maps...
On Sun, Sep 20, 2009 at 3:06 AM, George Georgovassilis < [email protected]> wrote: > > Hello Martin, > > Look lot cleaner than my solution - however I see a certain > performance penalty with that. The bootstrap process with your example > is: > > 1. load host page > 2. load .nocache.js > 3. load .cache.js > 4. load google maps API > > and it's all serialized. > > With the direct injection of the code into the html the bootstrap > process is shortened, because GWT's module and the Maps API load in > parallel: > > 1. load host page > 2. load .nocache.js and google maps API in parallel > 3. load .cache.js > > what do you think? > > > On Sep 19, 4:56 pm, Martin Delemotte <[email protected]> > wrote: > > Have a look at AjaxLoader: > > > > AjaxLoader.init("your maps key here"); > > AjaxLoader.loadApi("maps", "2", new Runnable() { > > public void run() { > > //action to perform after api is loaded > > } > > }, null); > > > > On Sat, Sep 19, 2009 at 9:42 AM, George Georgovassilis < > > > > [email protected]> wrote: > > > > > Sorry to hijack this thread, but since we're talking about this... > > > what's the best way of loading the maps API javascriptlibrary without > > > blocking (aka unblocking parallel downloads)? > > > > > So far I ended up with this: > > > > > <script type="text/javascript"> > > > //<![CDATA[ > > > function loadGoogleMapsAPI(){ > > > var script = document.createElement("script"); > > > script.type = "text/javascript"; > > > script.src = "http://maps.google.com/maps? > > > file=api&v=2&async=2&sensor=false&key=XYZ"; > > > document.body.appendChild(script); > > > } > > > window.setTimeout("loadGoogleMapsAPI()",1); > > > //]]> > > > > > On Sep 19, 4:33 am, martind <[email protected]> wrote: > > > > I formatted my disk and reinstalled Fedora 11 yesterday. I do not > > > > encounter the problem anymore. > > > > I guess I will never know what was wrong ;) > > > > > > On Sep 13, 11:34 am, martind <[email protected]> wrote: > > > > > > > If I compile my application and run it in my system browser, it > works > > > > > fine. Firebug raises no issues. > > > > > > > However, it fails in hosted mode... > > > > > > > On Sep 12, 5:57 pm, Eric Ayers <[email protected]> wrote: > > > > > > > > I've not heard of problems using the Maps API with GWT 1.7. Can > you > > > > > > use firebug or some other way to trace your network messages and > see > > > > > > that indeed the script tag you've got in your module > specification is > > > > > > working? > > > > > > > > On Sat, Sep 12, 2009 at 5:48 PM, martind< > [email protected]> > > > wrote: > > > > > > > > > 1) yes, I have tried running it with a Maps key. I also tried > > > > > > > generating a new one with no luck. > > > > > > > > > 2) no, I am on Fedora 11 with Firefox 3.5.3 > > > > > > > > > I have another error related to the Maps API which might help > > > diagnose > > > > > > > the problem: > > > > > > > > > [ERROR] Unable to load module entry point class > > > > > > > com.coopiz.client.Coopiz (see associated exception for details) > > > > > > > com.google.gwt.core.client.JavaScriptException: (TypeError): > > > > > > > $wnd.GClientGeocoder is not a constructor > > > > > > > fileName: transient source for > > > > > > > com.google.gwt.maps.client.impl.__GeocoderImplImpl > > > > > > > lineNumber: 30 > > > > > > > stack: ()@transient source for > > > > > > > com.google.gwt.maps.client.impl.__GeocoderImplImpl:30 > > > > > > > gwtOnLoad([object Window],"coopiz","1.6")@:0 > > > > > > > gwtOnLoad(undefined,"coopiz","http://localhost:8080/coopiz/ > > > ")@http:// > > > > > > > localhost:8080/coopiz/hosted.html?coopiz:20 > > > > > > > qc()@http://localhost:8080/coopiz/coopiz.nocache.js:2 > > > > > > > ()@http://localhost:8080/coopiz/coopiz.nocache.js:8 > > > > > > > @http://localhost:8080/coopiz/hosted.html?coopiz:39 > > > > > > > > > at > > > com.google.gwt.maps.client.impl.__GeocoderImplImpl.construct > > > > > > > (Native Method) > > > > > > > at > > > com.google.gwt.maps.client.geocode.Geocoder.<init>(Geocoder.java: > > > > > > > 41) > > > > > > > at com.coopiz.client.model.PersistenceManager.<init> > > > > > > > (PersistenceManager.java:26) > > > > > > > at > > > com.coopiz.client.controllers.ApplicationController.<init> > > > > > > > (ApplicationController.java:14) > > > > > > > ... > > > > > > > > > If I comment the portion of code which generates the error > above, I > > > > > > > get the error reported in the first message of this thread. > > > > > > > > > Could it have something to do with an upgrade from GWT 1.6 to > 1.7 ? > > > I > > > > > > > just checked the upgrade steps but maybe I missed something ? > > > > > > > > > On Sep 8, 11:27 am, Eric Ayers <[email protected]> wrote: > > > > > > >> 1) Have you tried running it with a Maps key installed as the > > > error > > > > > > >> message suggests? > > > > > > > > >> 2) Are you on Windows? If so, have your IE > cache/proxy/security > > > > > > >> settings changed recently? That sometimes gets in the way of > the > > > > > > >> Google APIs requests. > > > > > > > > >> On Mon, Sep 7, 2009 at 6:50 PM, martind< > > > [email protected]> wrote: > > > > > > > > >> > Hi all, > > > > > > > > >> > I'm using: > > > > > > >> > - GWT 1.7.0 > > > > > > >> > - gwt-maps 1.0.4 > > > > > > >> > - GAE 1.2.5 > > > > > > >> > - Eclipse 3.5 with the Google plugin > > > > > > >> > - Sun JDK 1.0.6_16 > > > > > > >> > - linux (Fedora 11) > > > > > > > > >> > A few weeks ago, I began a project using gwt-maps which > worked > > > fine. > > > > > > >> > But somehow it got broken recently. I get the following > error in > > > > > > >> > hosted mode: > > > > > > > > >> > [ERROR] Unable to load module entry point class > test.client.Test > > > (see > > > > > > >> > associated exception for details) > > > > > > >> > java.lang.RuntimeException: The Maps API has not been > loaded. > > > > > > >> > Is a <script> tag missing from your host HTML or module > file? > > > Is the > > > > > > >> > Maps key missing or invalid? > > > > > > >> > at > > > com.google.gwt.maps.client.Maps.assertLoaded(Maps.java:32) > > > > > > >> > at > > > com.google.gwt.maps.client.geom.LatLng$.newInstance(Native Method) > > > > > > >> > at test.client.Test.onModuleLoad(Test.java:46) > > > > > > > > >> > My Test.gwt.xml file is the following: > > > > > > > > >> > <?xml version="1.0" encoding="UTF-8"?> > > > > > > >> > <!DOCTYPE module PUBLIC "-//Google Inc.//DTD Google Web > Toolkit > > > 1.7.0// > > > > > > >> > EN" " > > >http://google-web-toolkit.googlecode.com/svn/tags/1.7.0/distro- > > > > > > >> > source/core/src/gwt-module.dtd"> > > > > > > >> > <module rename-to='test'> > > > > > > >> > <!-- Inherit the core Web Toolkit stuff. > > > --> > > > > > > >> > <inherits name='com.google.gwt.user.User'/> > > > > > > > > >> > <inherits name="com.google.gwt.maps.GoogleMaps" /> > > > > > > >> > <script src="http://maps.google.com/maps? > > > > > > >> > gwt=1&file=api&v=2&sensor=false" /> > > > > > > > > >> > <!-- Inherit the default GWT style sheet. You can change > > > --> > > > > > > >> > <!-- the theme of your GWT application by uncommenting > > > --> > > > > > > >> > <!-- any one of the following lines. > > > --> > > > > > > >> > <inherits > name='com.google.gwt.user.theme.standard.Standard'/> > > > > > > >> > <!-- <inherits > name='com.google.gwt.user.theme.chrome.Chrome'/> > > > --> > > > > > > >> > <!-- <inherits name='com.google.gwt.user.theme.dark.Dark'/> > > > --> > > > > > > > > >> > <!-- Other module inherits > > > --> > > > > > > > > >> > <!-- Specify the app entry point class. > > > --> > > > > > > >> > <entry-point class='test.client.Test'/> > > > > > > >> > </module> > > > > > > > > >> > I used wireshark to debug and it seems that " > > >http://maps.google.com/ > > > > > > >> > maps?gwt=1&file=api&v=2&sensor=false" is never > > > acessed. If > > > > > > >> > I try loading the URL in my browser it works fine. > > > > > > > > >> > At first I thought it was an issue with Fedora Eclipse or > with > > > OpenJDK > > > > > > >> > so I replaced them with the "official" eclipse and Sun JDK > but > > > no > > > > > > >> > luck... > > > > > > > > >> > Has anybody got the same issue ? > > > > > > > > >> -- > > > > > > >> Google Code Jam 2009http://code.google.com/codejam > > > > > > > > -- > > > > > > Google Code Jam 2009http://code.google.com/codejam > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en -~----------~----~----~----~------~----~------~--~---
