I forgot to mention, the loading order is:
1. load host page
2. load .nocache.js
4. load google maps API
3. load .cache.js
with 3 and 4 in parallel
On Sun, Sep 20, 2009 at 1:21 PM, Martin Delemotte <
[email protected]> wrote:
> 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
>> >>
>>
>
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