<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>Yes, this is a carry over from OpenID 2 and the popup window. I'm not sure a fixed size makes sense any more as each idp has its own dimensions. One of the original goals was to prevent window resizing but that is pretty much given in today's environment.</div><div><br></div><div>The main guidance I would give is that the popup window shouldn't cover more than X% of the screen. Hopefully some ui team will know what X is:)</div><div><br></div><div>For me, if the popup covers more than say 60% of the screen it's better to move the user to a full page redirect model. We've done this for most of our mobile and tablet flows because popups on mobile are a little weird UX wise.</div><div><br></div><div>Thanks,</div><div>George<br><br>--<div>George Fletcher</div><div>Chief Architect, Identity Services</div><div>AOL Inc.</div></div><div><br>On Oct 23, 2013, at 5:50 AM, John Bradley <<a href="mailto:ve7jtb@ve7jtb.com">ve7jtb@ve7jtb.com</a>> wrote:<br><br></div><blockquote type="cite"><div><meta http-equiv="Content-Type" content="text/html charset=windows-1252"><base href="x-msg://2025/">I think it was from the UI extension for openID 2. I remember that there was a reason Google and the other authors of that extension needed it a fixed size at the time. Something about the RP popping the window and the IdP needing to know the size to display text properly.<div><br></div><div>Now that we assume browsers are JS capable (Not so true 5 years ago) the IdP can likely dynamically determine the size. It might still be a good idea to recommend a hight x width ratio.</div><div><br></div><div>JainRain and others can probably say what the current best practice is.</div><div><br></div><div>John B.<br><div><div>On 2013-10-22, at 11:40 PM, Mike Jones <<a href="mailto:Michael.Jones@microsoft.com">Michael.Jones@microsoft.com</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div lang="EN-US" link="blue" vlink="purple" style="font-family: Helvetica; font-size: medium; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div class="WordSection1" style="page: WordSection1; "><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">Microsoft developers were asking where the 450x500 dimensions came from and if they’re the right ones. Who know the history of where these dimensions came from?<o:p></o:p></span></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "> </span></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "> -- Mike<o:p></o:p></span></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "> </span></div><div><div style="border-style: solid none none; border-top-width: 1pt; border-top-color: rgb(181, 196, 223); padding: 3pt 0in 0in; "><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><b><span style="font-size: 10pt; font-family: Tahoma, sans-serif; ">From:</span></b><span style="font-size: 10pt; font-family: Tahoma, sans-serif; "><span class="Apple-converted-space"> </span>Anthony Nadalin<span class="Apple-converted-space"> </span><br><b>Sent:</b><span class="Apple-converted-space"> </span>Tuesday, October 22, 2013 11:38 PM<br><b>To:</b><span class="Apple-converted-space"> </span>Mike Jones; Tim Bray<br><b>Cc:</b><span class="Apple-converted-space"> </span><a href="mailto:openid-specs-ab@lists.openid.net">openid-specs-ab@lists.openid.net</a><br><b>Subject:</b><span class="Apple-converted-space"> </span>RE: [Openid-specs-ab] 450 x 500 recommendation for popup<o:p></o:p></span></div></div></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><o:p> </o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">Many devices don’t support 450 x 500 pixels<o:p></o:p></span></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><a name="_MailEndCompose"></a><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "> </span></div><div><div style="border-style: solid none none; border-top-width: 1pt; border-top-color: rgb(225, 225, 225); padding: 3pt 0in 0in; "><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><b><span style="font-size: 11pt; font-family: Calibri, sans-serif; ">From:</span></b><span style="font-size: 11pt; font-family: Calibri, sans-serif; "><span class="Apple-converted-space"> </span><a href="mailto:openid-specs-ab-bounces@lists.openid.net" style="color: purple; text-decoration: underline; ">openid-specs-ab-bounces@lists.openid.net</a><span class="Apple-converted-space"> </span>[<a href="mailto:openid-specs-ab-bounces@lists.openid.net" style="color: purple; text-decoration: underline; ">mailto:openid-specs-ab-bounces@lists.openid.net</a>]<span class="Apple-converted-space"> </span><b>On Behalf Of<span class="Apple-converted-space"> </span></b>Mike Jones<br><b>Sent:</b><span class="Apple-converted-space"> </span>Tuesday, October 22, 2013 10:42 PM<br><b>To:</b><span class="Apple-converted-space"> </span>Tim Bray<br><b>Cc:</b><span class="Apple-converted-space"> </span><a href="mailto:openid-specs-ab@lists.openid.net" style="color: purple; text-decoration: underline; ">openid-specs-ab@lists.openid.net</a><br><b>Subject:</b><span class="Apple-converted-space"> </span>Re: [Openid-specs-ab] 450 x 500 recommendation for popup<o:p></o:p></span></div></div></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><o:p> </o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">Rather than saying “The popup User-Agent window SHOULD be 450 pixels wide and 500 pixels tall” should we say “The popup User-Agent window SHOULD be<span class="Apple-converted-space"> </span><span style="background-color: yellow; background-position: initial initial; background-repeat: initial initial; ">a minimum of</span><span class="Apple-converted-space"> </span>450 pixels wide and 500 pixels tall”?<o:p></o:p></span></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "> </span></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "> -- Mike<o:p></o:p></span></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "> </span></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><b><span style="font-size: 10pt; font-family: Tahoma, sans-serif; ">From:</span></b><span style="font-size: 10pt; font-family: Tahoma, sans-serif; "><span class="Apple-converted-space"> </span>Tim Bray [<a href="mailto:tbray@textuality.com" style="color: purple; text-decoration: underline; ">mailto:tbray@textuality.com</a>]<span class="Apple-converted-space"> </span><br><b>Sent:</b><span class="Apple-converted-space"> </span>Tuesday, October 22, 2013 9:34 PM<br><b>To:</b><span class="Apple-converted-space"> </span>Mike Jones<br><b>Cc:</b><span class="Apple-converted-space"> </span><a href="mailto:openid-specs-ab@lists.openid.net" style="color: purple; text-decoration: underline; ">openid-specs-ab@lists.openid.net</a><br><b>Subject:</b><span class="Apple-converted-space"> </span>Re: [Openid-specs-ab] 450 x 500 recommendation for popup<o:p></o:p></span></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><o:p> </o:p></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; ">Yeah, no kidding. And what about on Retina displays? This guidance seems in appropriate.<o:p></o:p></div></div><div><p class="MsoNormal" style="margin: 0in 0in 12pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><o:p> </o:p></p><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; ">On Tue, Oct 22, 2013 at 5:32 PM, Mike Jones <<a href="mailto:Michael.Jones@microsoft.com" target="_blank" style="color: purple; text-decoration: underline; ">Michael.Jones@microsoft.com</a>> wrote:<o:p></o:p></div><div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; ">A question from developers that I forgot to ask on Monday: Why is 450 x 500 the recommended window size for display=popup and is this the right size?<o:p></o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="color: rgb(136, 136, 136); "> <o:p></o:p></span></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="color: rgb(136, 136, 136); "> -- Mike<o:p></o:p></span></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="color: rgb(136, 136, 136); "> <o:p></o:p></span></div></div><p class="MsoNormal" style="margin: 0in 0in 12pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><br>_______________________________________________<br>Openid-specs-ab mailing list<br><a href="mailto:Openid-specs-ab@lists.openid.net" style="color: purple; text-decoration: underline; ">Openid-specs-ab@lists.openid.net</a><br><a href="http://lists.openid.net/mailman/listinfo/openid-specs-ab" target="_blank" style="color: purple; text-decoration: underline; ">http://lists.openid.net/mailman/listinfo/openid-specs-ab</a><o:p></o:p></p></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><o:p> </o:p></div></div></div>_______________________________________________<br>Openid-specs-ab mailing list<br><a href="mailto:Openid-specs-ab@lists.openid.net">Openid-specs-ab@lists.openid.net</a><br><a href="http://lists.openid.net/mailman/listinfo/openid-specs-ab">http://lists.openid.net/mailman/listinfo/openid-specs-ab</a></div></blockquote></div><br></div></div></blockquote><blockquote type="cite"><div><span>_______________________________________________</span><br><span>Openid-specs-ab mailing list</span><br><span><a href="mailto:Openid-specs-ab@lists.openid.net">Openid-specs-ab@lists.openid.net</a></span><br><span><a href="http://lists.openid.net/mailman/listinfo/openid-specs-ab">http://lists.openid.net/mailman/listinfo/openid-specs-ab</a></span><br></div></blockquote></body></html>