User:Dickvl: Difference between revisions
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===Private Browsing=== | ===Private Browsing=== | ||
Here is a simple extension to disable the "Tools -> Start Private Browsing" menu entry and the "Tools > Clear Recent History" menu entry in Firefox 3.5/6.<br> | Here is a simple extension to disable the "Tools -> Start Private Browsing" menu entry and the "Tools > Clear Recent History" menu entry in Firefox 3.5/6.<br> | ||
The extension hides these menu entries and also disables their shortcut keys. The code doesn't hide "[[Menu_differences|Tools -> Options]] -> Privacy" to start PB mode automatically and you need to add code to userChrome.css to do that. The code in userChrome.css also hides the menu entries if the extension is disabled or not installed. Current Firefox versions still process code in userChrome.css if started in [[Safe_mode]] | The extension hides these menu entries and also disables their shortcut keys. The code doesn't hide "[[Menu_differences|Tools -> Options]] -> Privacy" to start PB mode automatically and you need to add code to userChrome.css to do that. The code in userChrome.css also hides the menu entries if the extension is disabled or not installed. Current Firefox versions still process code in userChrome.css if started in [[Safe_mode]]. It is possible to clear the cache via "[[Menu_differences|Tools -> Options]] -> Advanced -> Network" and to clear history in the Library and History sidebar. See also [https://wiki.mozilla.org/Firefox3.1/PrivateBrowsing/SecurityReview] | ||
You can copy and paste this code in the '''"Tools > Error Console"''' to test if it is possible to toggle Private Browsing mode before and after you have installed the extension. | |||
<pre>var pbs = Components.classes["@mozilla.org/privatebrowsing;1"].getService(Components.interfaces.nsIPrivateBrowsingService); | |||
var oldPM = pbs.privateBrowsingEnabled; | |||
var newPM; | |||
pbs.privateBrowsingEnabled = !pbs.privateBrowsingEnabled; | |||
void(alert('PB is '+((newPM=pbs.privateBrowsingEnabled)?'on':'off')+((oldPM==newPM)?' (failed)':''))); | |||
</pre> | |||
Add this code to [[userChrome.css]] below the @namespace line (only add the @namespace line if it is missing).<br> | Add this code to [[userChrome.css]] below the @namespace line (only add the @namespace line if it is missing).<br> | ||
Line 360: | Line 368: | ||
</pre> | </pre> | ||
You can lock some prefs with this version of the file mozilla.cfg.<br> | Locking the pref '''browser.privatebrowsing.autostart''' is causing problems (can throw an exception), so I've removed it from '''mozilla.cfg'''.<br> | ||
Copy and paste the full DATA code in the location bar and press the Enter key. Save the file as '''mozilla.cfg''' ( | You can add that line to [[user.js]] instead if you want to reset that pref on each start and avoid an alert. | ||
user_pref("browser.privatebrowsing.autostart", false); | |||
You can lock some history prefs with this version of the file mozilla.cfg.<br> | |||
Copy and paste the full DATA code in the location bar and press the Enter key. Save the file as '''mozilla.cfg''' (updated Feb 23, 2010) and copy the file to the Firefox program folder. | |||
<pre>data:application/octet-stream;base64, | <pre>data:application/octet-stream;base64, | ||
PDwaF3l8cHhdf3JzNS9vf3yEgHJ | PDwaF3l8cHhdf3JzNS9vf3yEgHJ/O3V2gIF8f4ZscoV9dn9ybHFuhoAvOS0+RT02SBoXeXxweF1/ | ||
cnM1L29/fISAcn87dXaAgXx/hmxyhX12f3JscW6GgGx6dnsvLTlGPTZIGhd5fHB4XX9yczUvfXlu | |||
cHKAO3V2gIF8f4Y7cntub3lycS85LYF/gnI2SBoXeXxweF1/cnM1L31/doNucIY7cHlybn9ce2B1 | |||
goFxfIR7O3V2gIF8f4YvOS1zbnmAcjZIGhd5fHB4XX9yczUvfX92g25whjtwfXE7dXaAgXx/hi85 | |||
LXNueYByNkgaF3l8cHhdf3JzNS99f3aDbnCGO4Bue3aBdodyO4Bue3aBdodyXHtgdYKBcXyEey85 | |||
LXNueYByNkgaFw== | |||
</pre> | </pre> | ||
You also need to create the file '''local-settings.js''' with this line: | You also need to create the file '''local-settings.js''' with this line: | ||
pref("general.config.filename", "mozilla.cfg"); | pref("general.config.filename", "mozilla.cfg"); | ||
Copy | Copy the file '''local-settings.js''' to the '''grefprefs''' folder or the '''defaults\pref''' folder in the Firefox program folder.<br> | ||
Prefs that are locked show as italic on the [[about:config]] page and can't be changed.<br> | |||
For full instructions, see [[Locking_preferences]] | For full instructions, see [[Locking_preferences]] | ||
Copy and paste the full DATA code in the location bar and press the Enter key. Save the file as '''pbdisable.xpi''' ( | Copy and paste the full DATA code in the location bar and press the Enter key. Save the file as '''pbdisable.xpi''' (version 1.2, updated Feb 23, 2010)<br> | ||
You can install the extension via "File > Open File" or by dragging the file in a Firefox window.<br> | You can install the extension via "File > Open File" or by dragging the file in a Firefox window.<br> | ||
You can move the extensions folder (pbdisable@mozillazine.org) from the extensions folder in the [[Profile_folder_-_Firefox|Profile Folder]] to the ''%AppData%\Mozilla\extensions\{ec8030f7-c20a-464f-9b0e-13a3a9e97384}'' folder or to the '''extensions''' folder in the Firefox program folder to make the extension work in all Firefox profiles. If you do that then you can't uninstall, but you can disable the extension. You can also drop the XPI file in that folder and the extension will be installed on the next start of Firefox [https://developer.mozilla.org/en/Installing_extensions].<br><!-- http://ehsanakhgari.org/blog/2008-11-08/prepare-your-add-private-browsing --> | You can move the extensions folder (pbdisable@mozillazine.org) from the extensions folder in the [[Profile_folder_-_Firefox|Profile Folder]] to the ''%AppData%\Mozilla\extensions\{ec8030f7-c20a-464f-9b0e-13a3a9e97384}'' folder or to the '''extensions''' folder in the Firefox program folder to make the extension work in all Firefox profiles. If you do that then you can't uninstall, but you can disable the extension. You can also drop the XPI file in that folder and the extension will be installed on the next start of Firefox [https://developer.mozilla.org/en/Installing_extensions].<br><!-- http://ehsanakhgari.org/blog/2008-11-08/prepare-your-add-private-browsing --> |
Revision as of 21:46, 23 February 2010
Bookmarklets
Bookmarklets can be found here: User:Dickvl/Bookmarklets
See also Wikipedia: Bookmarklet
Here is a bookmarklet to display the content of the Navigator object (plugins, mimeTypes)
javascript:/* dickvl@kb.mozillazine.org */ (function(){ var b='<br>',i,L,O,p,pN,pT=('Navigator properties:').bold()+b+b,oT=('Navigator objects:').bold()+b+b,fT=('Navigator functions:').bold()+b+b; for(pN in navigator){ if(typeof navigator[pN]=='object'){ O=navigator[pN];L=(O.length)?O.length:0;oT+=(pN+': ').bold()+L.toString().bold()+b; for(i=0;i<L;i++){M=O[i];oT+=('['+(i+1)+'] ').bold(); for(p in M){if(typeof M[p]!='function'&&typeof M[p]!='object'&&p!='length'){oT+=(p+': ').bold()+M[p]+(' | ').bold()}} if(M.enabledPlugin){oT+=('Plugin: ').bold()+M.enabledPlugin.name} oT+=b} oT+=b} else if(typeof navigator[pN]!='function'){pT+=(pN+': ').bold()+navigator[pN]+b} else if(typeof navigator[pN]=='function'){if(/Enabled/.test(pN)){fT+=(pN+': ').bold()+navigator[pN]()+b}}} with(document.open()){write(pT+b+oT+b+fT);close();} })();
Code
Code for userChrome.css and userContent.css can be found here User:Dickvl/Code
Double Underlined pop-ups
You can add this code to userContent.css to hide some ads and some IntelliTXT type pop-ups (double underlined links) [1].
/* google_ads_frame */ iframe[src*="googlesyndication"], iframe[name="google_ads_frame"] {display:none!important} /* intelliTXT and others */ #iTt,#adbrite_inline_div,#AdvertBanner,#amzn-popup-div,#konaLayers,#lwPreview,#menuModule,#tf_AdDiv,#tooltipBox,#IL_BUBBLE,#IL_FORM_CONT {display:none!important} /* get.lingospot.com */ .lingo_info_box *,.lingo_spot *,.lingo_reset *{display:none!important}
Error Console
List Add-ons
Sometime ago I noticed the Mozilla's Places Stats Project thread with the possibility to display a list of installed extensions in JSON notation by using the Error Console. That gave me an idea to do the same for the printing passwords code in the Password Manager article.
I have also taken the opportunity to create a similar file for displaying the installed extensions. So here are two versions.
The first version shows the name and version number and the second version has the possibility to select which additional columns you wish to see.
/* * Paste this file into Firefox's JavaScript Console and evaluate it to display the installed extensions and themes - dickvl@kb.mozillazine.org */ (function () { var Cc = Components.classes; var Ci = Components.interfaces; var EMP = "http://www.mozilla.org/2004/em-rdf#"; var rv = {}; rv.ext = []; rv.the = []; var ds = Cc["@mozilla.org/extensions/manager;1"]. getService(Ci.nsIExtensionManager). datasource; var rdf = Cc["@mozilla.org/rdf/rdf-service;1"]. getService(Ci.nsIRDFService); var elts = Cc["@mozilla.org/rdf/container-utils;1"]. getService(Ci.nsIRDFContainerUtils). MakeSeq(ds, rdf.GetResource("urn:mozilla:item:root")). GetElements(); function rdfGS(elt,res){ try{ return(ds.GetTarget(elt,rdf.GetResource(EMP+res),true).QueryInterface(Ci.nsIRDFLiteral).Value); } catch(e){return("")} } function makeRV(elt,rv){ var nam = rdfGS(elt,"name"); var ver = rdfGS(elt,"version"); var dis = rdfGS(elt,"isDisabled"); var hom = rdfGS(elt,"homepageURL"); rv.push({name:nam,id:elt.Value.replace(/^urn:mozilla:item:/,""),vers:ver,dis:dis,home:hom}); return(rv); } function makeLIST(rv){ var list="",i,RV; for (i=0;RV=rv[i];i++) { var name = RV.name; var vers = RV.vers; var disab = (RV.dis=="true")?"(disabled)":""; var home = RV.home; list+="<a href=" + home + "><span>" + name + " </span><span> " + vers + " </span></a><span> " + disab + " </span></br>"; } return(list); } while (elts.hasMoreElements()) { var elt = elts.getNext().QueryInterface(Ci.nsIRDFResource); if (ds.HasAssertion(elt,rdf.GetResource(EMP+"type"),rdf.GetIntLiteral(2),true)){ makeRV(elt,rv.ext); } if (ds.HasAssertion(elt,rdf.GetResource(EMP+"type"),rdf.GetIntLiteral(4),true)){ makeRV(elt,rv.the); } } var extList="<p><b>Extensions:</b><br>"+makeLIST(rv.ext)+"</p>"; var theList="<p><b>Themes:</b><br>"+makeLIST(rv.the)+"</p>"; window.open('data:text/html, <html><head> <meta http-equiv=content-type" content="text/html; charset=ISO-8859-1"> <title>Mozilla Extensions</title> </head><body style="margin: 1em 3em; background-color: rgb(255, 221, 221);"> ' + extList + theList + ' </body></html>', "", "menubar=yes,toolbar=no,scrollbars=yes,resizable=yes,width=1000,height=600"); })();
/* *To display the installed extensions and themes paste this file into Firefox's JavaScript Console and evaluate it - dickvl@kb.mozillazine.org */ (function () { var Cc = Components.classes; var Ci = Components.interfaces; var EMP = "http://www.mozilla.org/2004/em-rdf#"; var EMT = 2; /* Extensions: EMT = 2; Themes: EMT = 4; */ var rv = {}; rv.ext = []; rv.the = []; /* columns - 0:space 1:name 2:version 3,4:disabled 5:id 6:description 7:homepage 8:compatible 9:install location */ var THEAD = ["","Name","Version","Disabled","(-)","ID","Description","Home Page","Comp.","Inst.Loc"]; var TCONT = (prompt("Columns:\n\n1:Name\n2:Version\n3:Disabled 4:(U|A)\n5:ID\n6:Description\n7:Home Page\n","1 2 3")); TCONT=((TCONT==null || TCONT=="")?"1 2 3":TCONT).split(" "); var ds = Cc["@mozilla.org/extensions/manager;1"]. getService(Ci.nsIExtensionManager). datasource; var rdf = Cc["@mozilla.org/rdf/rdf-service;1"]. getService(Ci.nsIRDFService); var elts = Cc["@mozilla.org/rdf/container-utils;1"]. getService(Ci.nsIRDFContainerUtils). MakeSeq(ds, rdf.GetResource("urn:mozilla:item:root")). GetElements(); function rdfGS(elt,res){ try{ return(ds.GetTarget(elt,rdf.GetResource(EMP+res),true).QueryInterface(Ci.nsIRDFLiteral).Value); }catch(e){return("")} } function makeTD(rv){ var i,j,DV,RV,TC,td=""; for (i=0;RV=rv[i];i++) { td+="<tr>"; for(j=0;TC=TCONT[j];j++){ switch(parseInt(TC)){ case 1: DV=RV.name;break; case 2: DV=RV.vers;break; case 3: DV=(RV.dis=="true")?"(disabled)":"";break; case 4: DV=((RV.adis=="true")?"(A)":"")+((RV.udis=="true")?"(U)":"");break; case 5: DV=RV.id;break; case 6: DV=RV.descr;break; case 7: DV=RV.home;break; case 8: DV=(RV.comp=="true")?"Yes":((RV.comp=="false")?"No":"");break; case 9: DV=RV.inst;break; default: DV="";break; } td+="<td>"+DV+"</td>"; } td+="</tr>"; } return(td); } function makeRV(elt,rv){ var nam = rdfGS(elt,"name"); var ver = rdfGS(elt,"version"); var des = rdfGS(elt,"description"); var dis = rdfGS(elt,"isDisabled"); var ads = rdfGS(elt,"appDisabled"); var uds = rdfGS(elt,"userDisabled"); var hom = rdfGS(elt,"homepageURL"); var com = rdfGS(elt,"compatible"); var ins = rdfGS(elt,"installLocation"); rv.push({name:nam,id:elt.Value.replace(/^urn:mozilla:item:/,""),vers:ver,descr:des,adis:ads,udis:uds,home:hom,dis:dis,inst:ins,comp:com}); return(rv); } while (elts.hasMoreElements()){ var elt = elts.getNext().QueryInterface(Ci.nsIRDFResource); if(isExt=ds.HasAssertion(elt,rdf.GetResource(EMP+"type"),rdf.GetIntLiteral(2),true)){ makeRV(elt,rv.ext); } if(isExt=ds.HasAssertion(elt,rdf.GetResource(EMP+"type"),rdf.GetIntLiteral(4),true)){ makeRV(elt,rv.the); } } var thead=""; for(j=0;TC=TCONT[j];j++){thead+="<td><b>"+(THEAD[(TC<THEAD.length)?TC:0])+"</b></td>";} var tdivE = makeTD(rv.ext); var tdivT = makeTD(rv.the); function TD(string) {return (string.length < 2) ? "0" + string : string ;} function FD(number){return (number < 1000) ? number + 2000 : number;} var now = new Date(); var hrs = TD(now.getHours() + ""); var min = TD(now.getMinutes() + ""); var sec = TD(now.getSeconds() + ""); var timeValue = " | At " + hrs + ":" + min + ":" + sec; var days = new Array("Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"); var months = new Array("January","February","March","April","May","June","July","August","September","October","November","December"); var date = ((now.getDate()<10) ? "0" : "")+ now.getDate(); var today = "On " + days[now.getDay()] + ", " + date + " " + months[now.getMonth()] + " " + (FD(now.getYear())) + timeValue; function makeTABLE(label,thead,tcont){ return('<p><b>'+label+':</b><br> <table style="empty-cells: show; background-color: rgb(221, 255, 221);" border="1" cellspacing="0"> <tbody><tr style="background-color: rgb(204, 204, 255);">'+thead+'</tr>'+ tcont+'</tbody></table></p>'); } window.open('data:text/html, <html><head> <meta http-equiv=content-type" content="text/html; charset=ISO-8859-1"> <title>Mozilla Extensions & Themes</title> <style type="text/css"> td { font-family: "Trebuchet MS", Arial, Verdana, Sans-Serif; font-size: 85%; padding: 1px 2px 1px 2px; } </style> </head><body style="margin: 1em 3em; background-color: rgb(255, 221, 221);"> <b>MOZILLA ADD-ONS INFORMATION (by dickvl@kb.mozillazine.org)</b><p>'+today+'</p>'+ makeTABLE("Extensions",thead,tdivE) + makeTABLE("Themes",thead,tdivT)+' </body></html>',"", "menubar=yes,toolbar=no,resizable=yes,scrollbars=yes,width=1000,height=700"); })();
Printing Passwords
Here is an enhanced version of the Password printing code from Password Manager to show all the fields, may be helpful for troubleshooting issues.
/* * Paste this file into Firefox's JavaScript Console and evaluate it to display the saved names and passwords - dickvl@kb.mozillazine.org */ (function(){ function tdigs(str) {return (str.length < 2) ? "0" + str : str;} function fdigs(num){return (num < 1000) ? num + 2000 : num;} var now = new Date(); var hrs = tdigs(now.getHours() + "") ; var mins = tdigs(now.getMinutes() + "") ; var secs = tdigs(now.getSeconds() + "") ; var tValue = " | At " + hrs + ":" + mins + ":" + secs; var days = new Array("Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"); var mons = new Array("January","February","March","April","May","June","July","August","September","October","November","December"); var date = ((now.getDate()<10) ? "0" : "")+ now.getDate(); var today = "On " + days[now.getDay()] + ", " + date + " " + mons[now.getMonth()] + " " + (fdigs(now.getYear())) + tValue ; var Cc = Components.classes; var Ci = Components.interfaces; netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect"); var tokendb = Cc["@mozilla.org/security/pk11tokendb;1"] .createInstance(Ci.nsIPK11TokenDB); var token = tokendb.getInternalKeyToken(); try {token.login(true);} catch (e) {} if (token.isLoggedIn()) { var passwordmanager = Cc["@mozilla.org/login-manager;1"] .getService(Ci.nsILoginManager); var names="",signons = passwordmanager.getAllLogins({}); for (i=0;i<signons.length;i++) { try { var host = signons[i].hostname; var realm = signons[i].httpRealm; var user = signons[i].username; var usrf = signons[i].usernameField; var psw = signons[i].password; var pswf = signons[i].passwordField; var surl = signons[i].formSubmitURL; if (user == ""){ user = "<br>"; } names+="<tr>\n<td>"+host+"</td>\n<td>"+realm+" </td>\n<td>"+usrf+"</td>\n<td>"+user+"</td>\n<td>"+pswf+"</td>\n<td>"+psw+"</td>\n<td>"+surl+"</td>\n</tr>\n"; } catch(e) {} } void(window.open('data:text/html, <html><head> <meta http-equiv=content-type" content="text/html; charset=ISO-8859-1"> <title>Exported Mozilla Passwords</title> <style type="text/css"> td { font-family: "Trebuchet MS", Arial, Helvetica, Geneva, Verdana, Sans-Serif; font-size: 85%; padding: 1px 2px 1px 2px; } </style> </head><body style="margin: 1em 3em; background-color: rgb(255, 221, 221);"> <b>MOZILLA PASSWORD INFORMATION</b> <p>Produced by <i>Pasting Code in the "Tools > Error Console: Code field"</i> (by "ernie" - Andrew Poth - Ed Mullen - adapted by dickvl@kb.mozillazine.org to run in the Error Console)<br>'+today+ '</p><p> <table style="empty-cells: show; background-color: rgb(221, 255, 221);" border="1" cellspacing="0"> <tbody><tr style="background-color: rgb(204, 204, 255);"> <td> <b>Host</b> </td> <td> <b>Realm</b> </td> <td> <b>User Field</b> </td> <td> <b>User Name</b> </td> <td> <b>Psw Field</b> </td> <td> <b>Password</b> </td> <td> <b>Submit URL</b> </td> </tr>'+names+'</tbody></table> </p></body></html>',"","menubar=yes,resizable=yes,scrollbars=yes,width=1000,height:600")); } })();
Extensions
Private Browsing
Here is a simple extension to disable the "Tools -> Start Private Browsing" menu entry and the "Tools > Clear Recent History" menu entry in Firefox 3.5/6.
The extension hides these menu entries and also disables their shortcut keys. The code doesn't hide "Tools -> Options -> Privacy" to start PB mode automatically and you need to add code to userChrome.css to do that. The code in userChrome.css also hides the menu entries if the extension is disabled or not installed. Current Firefox versions still process code in userChrome.css if started in Safe_mode. It is possible to clear the cache via "Tools -> Options -> Advanced -> Network" and to clear history in the Library and History sidebar. See also [2]
You can copy and paste this code in the "Tools > Error Console" to test if it is possible to toggle Private Browsing mode before and after you have installed the extension.
var pbs = Components.classes["@mozilla.org/privatebrowsing;1"].getService(Components.interfaces.nsIPrivateBrowsingService); var oldPM = pbs.privateBrowsingEnabled; var newPM; pbs.privateBrowsingEnabled = !pbs.privateBrowsingEnabled; void(alert('PB is '+((newPM=pbs.privateBrowsingEnabled)?'on':'off')+((oldPM==newPM)?' (failed)':'')));
Add this code to userChrome.css below the @namespace line (only add the @namespace line if it is missing).
See http://kb.mozillazine.org/Editing_configuration#How_to_edit_configuration_files
@namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"); /* Hide PB and Sanitize item in Tools menu */ #sanitizeSeparator, #privateBrowsingItem, #sanitizeItem {display:none!important;} /* Hide AutoStart PB and some History settings in Options > Privacy */ #rememberHistoryDays,#historyDays,#rememberAfter, #privateBrowsingAutoStart, #clearDataBox {display:none!important;}
Locking the pref browser.privatebrowsing.autostart is causing problems (can throw an exception), so I've removed it from mozilla.cfg.
You can add that line to user.js instead if you want to reset that pref on each start and avoid an alert.
user_pref("browser.privatebrowsing.autostart", false);
You can lock some history prefs with this version of the file mozilla.cfg.
Copy and paste the full DATA code in the location bar and press the Enter key. Save the file as mozilla.cfg (updated Feb 23, 2010) and copy the file to the Firefox program folder.
data:application/octet-stream;base64, PDwaF3l8cHhdf3JzNS9vf3yEgHJ/O3V2gIF8f4ZscoV9dn9ybHFuhoAvOS0+RT02SBoXeXxweF1/ cnM1L29/fISAcn87dXaAgXx/hmxyhX12f3JscW6GgGx6dnsvLTlGPTZIGhd5fHB4XX9yczUvfXlu cHKAO3V2gIF8f4Y7cntub3lycS85LYF/gnI2SBoXeXxweF1/cnM1L31/doNucIY7cHlybn9ce2B1 goFxfIR7O3V2gIF8f4YvOS1zbnmAcjZIGhd5fHB4XX9yczUvfX92g25whjtwfXE7dXaAgXx/hi85 LXNueYByNkgaF3l8cHhdf3JzNS99f3aDbnCGO4Bue3aBdodyO4Bue3aBdodyXHtgdYKBcXyEey85 LXNueYByNkgaFw==
You also need to create the file local-settings.js with this line:
pref("general.config.filename", "mozilla.cfg");
Copy the file local-settings.js to the grefprefs folder or the defaults\pref folder in the Firefox program folder.
Prefs that are locked show as italic on the about:config page and can't be changed.
For full instructions, see Locking_preferences
Copy and paste the full DATA code in the location bar and press the Enter key. Save the file as pbdisable.xpi (version 1.2, updated Feb 23, 2010)
You can install the extension via "File > Open File" or by dragging the file in a Firefox window.
You can move the extensions folder (pbdisable@mozillazine.org) from the extensions folder in the Profile Folder to the %AppData%\Mozilla\extensions\{ec8030f7-c20a-464f-9b0e-13a3a9e97384} folder or to the extensions folder in the Firefox program folder to make the extension work in all Firefox profiles. If you do that then you can't uninstall, but you can disable the extension. You can also drop the XPI file in that folder and the extension will be installed on the next start of Firefox [3].
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Keysdisable
I use this code on Linux to disable some shortcuts that I want to use in Prefbar or that are otherwise dangerous (Ctr+Q to Quit Firefox is too close to Ctrl+W).
if(E=window.document.getElementById('key_closeWindow')){E.removeAttribute('key');E.removeAttribute('modifiers');E.removeAttribute('command');} if(E=window.document.getElementById('key_quitApplication')){E.removeAttribute('key');E.removeAttribute('modifiers');E.removeAttribute('command');} if(E=window.document.getElementById('key_privatebrowsing')){E.removeAttribute('key');E.removeAttribute('modifiers');E.removeAttribute('command');} if(E=window.document.getElementById('key_openDownloads')){E.removeAttribute('key');E.removeAttribute('modifiers');E.removeAttribute('command');} if(E=window.document.getElementById('key_undoCloseWindow')){E.removeAttribute('key');E.removeAttribute('modifiers');E.removeAttribute('command');} if(E=window.document.getElementById('manBookmarkKb')){E.removeAttribute('key');E.removeAttribute('modifiers');E.removeAttribute('command');}
You can use the DOM Inspector to find the ID of a menu entry if you want to disable other menu entries.
You can modify the file keysdisable.xul in the keysdisable.jar (zip) archive in the keysdisable.xpi (zip) archive to make the changes.
Copy and paste the full DATA code in the location bar and press the Enter key. Save the file as keysdisable.xpi
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Restart Firefox
This extension adds a Restart Firefox item to the File menu. It displays that menu entry in the language of the installed locale (should work for all locales). All open tabs and windows should be restored if session restore is working properly.
Copy and paste the full DATA code in the location bar and press the Enter key. Save the file as restarter-1.0-fx.xpi
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TabVisited
In Firefox 3.6 and above it is no longer possible to use the selected attribute to style unvisited and visited tabs with code in userChrome.css. In Firefox 3.6 and above only the selected tab gets a selected="true" attribute. In previous Firefox 3 and 3.5 versions the visited tabs get a selected="false" attribute, but that attribute was removed to fix buggy behavior [4], [5].
For more information about the TabVisited extension please visit: User:Dickvl/TabVisited