(Note: I am also a postMessage noob). I believe that Chrome always gives that error/warning with postMessage, even when it works. Does the message not get received?
Here's a postMessage demo my colleague recommended: http://html5demos.com/postmessage2 You may want to test postMessage outside of the gadget environment first, for easier debugging. - pamela 2010/2/8 Daniel França <[email protected]>: > anyone? > > 2010/2/4 Daniel França <[email protected]> >> >> Hi, I'm really noob in this postmessage cross-iframe stuff, >> I tryed to do the following in XML: >> >> http://hosting.gmodules.com/ig/gadgets/file/117372586241155512680/openscape_tasks.xml >> and in my localhost javascript I tryed this: >> var viewer = new String(); >> function TextChanged( wave_item, new_text ) >> { >> if (new_text == '') >> window.location = 'clear/'+wave_item; >> else >> window.location = 'update/'+wave_item+'/'+escape(new_text); >> >> //wave.getState().submitDelta({'timestamp':currentTime,'author_id':viewer}); >> } >> function NewItem(wave_id) >> { >> alert('NewItem'); >> window.location = 'http://cur3w12c.global-ad.net/new/'+wave_id+'/'+viewer; >> } >> function onmessage(e) { >> alert('LOCAL - Receiving data'); >> viewer = e.data; >> } >> >> window.onload = function() >> { >> alert('LOCAL - AddListeners'); >> window.addEventListener('message', onmessage, false); >> >> var win = parent.postMessage ? parent : >> (parent.document.postMessage ? parent.document : undefined); >> alert('LOCAL - Posting Ready of WIN: '+win); >> win.postMessage( 'ready' ); >> >> /*if (typeof window.addEventListener != 'undefined') { >> window.addEventListener('message', onmessage, false); >> } else if (typeof window.attachEvent != 'undefined') { >> window.attachEvent('onmessage', onmessage); >> }*/ >> } >> >> but I'm getting the error: >> Unsafe JavaScript attempt to access frame with URL >> https://u6s6tvnpihakquhfua1nc7jtklqur6v1-a-wave-opensocial.googleusercontent.com/gadgets/ifr?container=wave&v=4b97251b786c9b6159dc6592867b756&lang=en&country=ALL&view=default&url=http%3A%2F%2Fhosting.gmodules.com%2Fig%2Fgadgets%2Ffile%2F117372586241155512680%2Fopenscape_tasks.xml&libs=core%3Awave&mid=1049712407&nocache=0&mid=1049712407&parent=https://wave.google.com&wave=1&waveId=googlewave.com!w%2BkjuFEQZwA#rpctoken=-6036406246055971068&st=e%3DAHc%252FuhrXjU73cvin27UnLKvtjroSRAVon4xtFw%252F%252BBK7Vyx1K%252BV2K79P77UM2PzxLi96I%252FeRQGlHDa04XNxz0U6FdXHg00CaZlk0zepJwi2O9FCKFYhbKpjtyHFMHq36iI%252BtW2TAourkI3fV4WAkSQErgh5u0pVtCgWVvOHL6GEtqFT0%252BGTVZrfsbmHlREYu%252Fx7Tjb%252BqD29NGhAP6d5lnPXJ%252FA07xmQiNgILGRn3Q0eU969Cefict2kJwxiI3Xd4RSSl6AitFjPhCLLYEgY%252Bh0vi9DRbaSFaS7duJDvmqexcnqHNrnMJjEt0CjZLRuedeQitokkj%252B%252FXuB%26c%3Dwave >> from frame with URL http://cur3w12c.global-ad.net/kjuFEQZwA/. Domains, >> protocols and ports must match. >> I can't realize what's the right way to do that. >> >> On Wed, Feb 3, 2010 at 9:53 PM, pamela (Google Employee) >> <[email protected]> wrote: >>> >>> Ah, I see. I recommend including the local website as an iframe, and >>> communicating with it from the main gadget spec. Since HTML5's >>> cross-iframe postMessage method works in all Wave-supported browsers, >>> you can use postMessage to communicate from the gadget to the iframe >>> and vice versa. >>> >>> - pamela >>> >>> 2010/2/4 Daniel França <[email protected]>: >>> > Hi Pamela, that's because I wanna load an "web site" hosted local and >>> > this >>> > site should receive events from Wave, update database, etc... how can I >>> > do >>> > that? >>> > >>> > On Wed, Feb 3, 2010 at 9:14 PM, pamela (Google employee) >>> > <[email protected]> wrote: >>> >> >>> >> Hi Daniel - >>> >> >>> >> We discourage the use of content type="url" gadgets when creating Wave >>> >> gadgets, as it makes pulling in the various "features" tricky. You >>> >> have to separately pull in the gadgets API, wave API, etc. >>> >> I recommend that you use content type="html" instead, and you'll find >>> >> development much easier. >>> >> >>> >> - pamela >>> >> >>> >> On Feb 4, 8:20 am, Daniel França <[email protected]> wrote: >>> >> > more info, this is how I load another page: >>> >> > >>> >> > wave_id = wave.getWaveId().split('+')[1]; >>> >> > new_url = 'http://cur3w12c.global-ad.net/'+wave_id; >>> >> > window.location = new_url >>> >> > >>> >> > 2010/2/3 Daniel França <[email protected]> >>> >> > >>> >> > >>> >> > >>> >> > > and wave.getViewer() wave.getHost wave.getWaveId, etc return NULL >>> >> > > in >>> >> > > this >>> >> > > another page >>> >> > >>> >> > > 2010/2/3 Daniel França <[email protected]> >>> >> > >>> >> > > Hi again, >>> >> > >> I'm trying todo the following scenario: >>> >> > >>> >> > >> I've a public XML hosted at >>> >> > >>> >> > >> >>> >> > >> >> >>http://hosting.gmodules.com/ig/gadgets/file/117372586241155512680/ope... >>> >> > >> >>> >> > >> >>> >> > >> <http://hosting.gmodules.com/ig/gadgets/file/117372586241155512680/ope...>this >>> >> > >> XML loads a page with dynamic parameters (the Wave ID) >>> >> > >> in this other page there's some javascipt to interact, and call >>> >> > >> some >>> >> > >> wave >>> >> > >> methods, as this in other page I think the <Require >>> >> > >> feature="wave" /> >>> >> > >> does >>> >> > >> not work for it, so I included the wave javascript manually: >>> >> > >> *<script src="https://wave-api.appspot.com/public/wave.js"; >>> >> > >> type="text/javascript"></script>* >>> >> > >> * >>> >> > >> * >>> >> > >> It seems to be ok for wave methods, but I still get an exception >>> >> > >> from >>> >> > >> gadgets object in >>> >> > >>> >> > >> *gadgets.util.registerOnLoadHandler(init);** * >>> >> > >> * >>> >> > >> * >>> >> > >> *The errro: gadgets is not defined* >>> >> > >>> >> > >> What I need to include to get this work? >>> >> >>> >> -- >>> >> You received this message because you are subscribed to the Google >>> >> Groups >>> >> "Google Wave API" 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-wave-api?hl=en. >>> >> >>> > >>> > -- >>> > You received this message because you are subscribed to the Google >>> > Groups >>> > "Google Wave API" 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-wave-api?hl=en. >>> > >>> >>> -- >>> You received this message because you are subscribed to the Google Groups >>> "Google Wave API" 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-wave-api?hl=en. >>> >> > > -- > You received this message because you are subscribed to the Google Groups > "Google Wave API" 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-wave-api?hl=en. > -- You received this message because you are subscribed to the Google Groups "Google Wave API" group. 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