<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=utf-8"><meta name=Generator content="Microsoft Word 15 (filtered medium)"><base target="_blank"><!--[if !mso]><style>v\:* {behavior:url(#default#VML);}
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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link="#0563C1" vlink="#954F72" style='margin-left:9.0pt;margin-top:9.0pt;margin-right:9.0pt;margin-bottom:9.0pt'><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Not sure what you would like info on so I’ll provide you with links to the code where the background update check is initiated.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>For app updating <br><a href="http://mxr.mozilla.org/mozilla-central/source/toolkit/mozapps/update/nsUpdateService.js#2528">http://mxr.mozilla.org/mozilla-central/source/toolkit/mozapps/update/nsUpdateService.js#2528</a><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>For extension updating <br>http://mxr.mozilla.org/mozilla-central/source/toolkit/mozapps/extensions/addonManager.js#151<o:p></o:p></span></p><p class=MsoNormal><a name="_MailEndCompose"><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Hope this helps,<br>Robert<o:p></o:p></span></a></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'><b><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>From:</span></b><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> firefox-dev [mailto:firefox-dev-bounces@mozilla.org] <b>On Behalf Of </b>707909320<br><b>Sent:</b> Tuesday, February 25, 2014 5:44 PM<br><b>To:</b> firefox-dev<br><b>Subject:</b> update interval<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'><span style='font-family:SimSun;color:black'>Hi,</span><span style='font-family:SimSun;color:#000011'><o:p></o:p></span></p></div><div><p class=MsoNormal style='margin:0in;margin-bottom:.0001pt;text-indent:24.0pt'><span style='font-family:SimSun;color:black'>I want to know where is the code about app or extensions update checking.I need to know the details of logical processing about update check bewteen app and extensions.</span><span style='font-family:SimSun;color:#000011'><o:p></o:p></span></p></div><div><p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'><span style='font-family:SimSun;color:black'> </span><span style='font-family:SimSun;color:#000011'><o:p></o:p></span></p></div><div><p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'><span style='font-family:SimSun;color:black'>Thanks.</span><span style='font-family:SimSun;color:#000011'><o:p></o:p></span></p></div><div><p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'><span style='font-family:SimSun;color:#000011'> <o:p></o:p></span></p></div><p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:silver'>2014-02-26</span><span style='font-family:SimSun;color:#000011'><o:p></o:p></span></p><div class=MsoNormal style='margin:0in;margin-bottom:.0001pt'><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:#000011'><hr size=4 width=244 style='width:91.5pt' align=left></span></div><div><p class=MsoNormal style='margin:0in;margin-bottom:.0001pt'><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:silver'>707909320</span><span style='font-family:SimSun;color:#000011'><o:p></o:p></span></p></div></div></body></html>