nsIExternalURLHandlerService
uriloader/exthandler/nsiexternalurlhandlerservice.idlscriptable the external url handler service is used for finding platform-specific applications for handling particular urls. 1.0 66 introduced gecko 2.0 inherits from: nsisupports last changed in gecko 2.0 (firefox 4 / thunderbird 3.3 / seamonkey 2.1) method overview nsihandlerinfo geturlhandlerinfofromos(in nsiuri aurl, out boolean afound); methods geturlhandlerinfofromos() given a url, looks up the handler info from the operating system. this should be overridden by each operating systems implementation. nsihandlerinfo geturlhandlerinfofromos( in nsiuri aurl, out boolean afound ); parameters aurl the url we are looking for. afound was an operating system default handler for this url found? re...

CSS values and units - CSS: Cascading Style Sheets
s font. ch average character advance of a narrow glyph in the element’s font, as represented by the “0” (zero, u+0030) glyph. ic average character advance of a full width glyph in the element’s font, as represented by the “水” (cjk water ideograph, u+6c34) glyph. rem font size of the root element. lh line height of the element. rlh line height of the root element. vw 1% of viewport's width. vh 1% of viewport's height. vi 1% of viewport's size in the root element's inline axis. vb 1% of viewport's size in the root element's block axis. vmin 1% of viewport's smaller dimension. vmax 1% of viewport's larger dimension. absolute length units are fix...
...mp() functions.) some legacy functional notations such as rgba() use commas, but generally commas are only used to separate items in a list. if a comma is used to separate arguments, white space is optional before and after the comma. specifications specification status comment css values and units module level 4 editor's draft adds the vi, vb, ic, cap, lh and rlh units. adds the min(), max() and clamp() functional notation adds toggle() css values and units module level 3 candidate recommendation adds calc(), ch, rem, vw, vw, vmin, vmax, q css color module level 4 working draft adds commaless syntaxes for the rgb(), rgba(), hsl(), and hsla() functions. allows alpha values in rgb() and hsl(), turning rgba() and hsla() ...

<length> - CSS: Cascading Style Sheets
found in the font used to render it. lh equal to the computed value of the line-height property of the element on which it is used, converted to an absolute length. rem represents the font-size of the root element (typically <html>). when used within the root element font-size, it represents its initial value (a common browser default is 16px, but user-defined preferences may modify this). rlh equal to the computed value of the line-height property on the root element (typically <html>), converted to an absolute length. when used on the font-size or line-height properties of the root element, it refers to the properties' initial value. viewport-percentage lengths viewport-percentage lengths define the <length> value relative to the size of the viewport, i.e., the visible portion ...
...t.style.width = inputelem.value; result.innerhtml = `<code>width: ${inputelem.value}</code>`; resultsdiv.appendchild(result); inputelem.value = ''; inputelem.focus(); }) result specifications specification status comment css values and units module level 4the definition of '<length>' in that specification. editor's draft adds the vi, vb, ic, lh, and rlh units. css values and units module level 3the definition of '<length>' in that specification. candidate recommendation adds the ch, rem, vw, vh, vmin, vmax, and q units. css level 2 (revision 1)the definition of '<length>' in that specification. recommendation explicit definition of the em, pt, pc, and px units. css level 1the definition of '<length>' in tha...

Code snippets - Archive of obsolete content
.queryinterface(components.interfaces.nsiinterfacerequestor) .getinterface(components.interfaces.nsidomwindow); // obtain a reference to sync's tabs "engine." let tabsengine = weave.service.enginemanager.get("tabs"); // iterate over each client having data. for each (let client in tabsengine.getallclients()) { for each (let tab in client.tabs) { let url = tab.urlhistory[0]; // load the tab via the tabbed browser api. mainwindow.gbrowser.addtab(url); } } partially corrupt a server components.utils.import("resource://services-sync/main.js"); components.utils.import("resource://services-sync/resource.js"); function deletepath(path) { let resource = new resource(weave.service.storageurl + path); resource.setheader("x-confirm-delete", "1"); ...

Index
riloader/external-helper-app-service;1. to access this service, use: 594 nsiexternalprotocolservice interfaces, interfaces:scriptable, xpcom, xpcom api reference, xpcom interface reference you can ask the external protocol service if it has an external handler for a given protocol scheme. and you can ask it to load the url using the default handler. 595 nsiexternalurlhandlerservice interfaces, interfaces:scriptable given a url, looks up the handler info from the operating system. this should be overridden by each operating systems implementation. 596 nsiftpchannel channels, interfaces, interfaces:scriptable, xpcom interface reference the nsiftpchannel is an extension of nsisupports used to determine if a channel is an ftp channel,...

XPCOM Interface Reference
droppedlinkitemnsidynamiccontainernsieditornsieditorboxobjectnsieditordocshellnsieditorimesupportnsieditorloggingnsieditormailsupportnsieditorobservernsieditorspellchecknsieffectivetldservicensienumeratornsienvironmentnsierrorservicensieventlistenerinfonsieventlistenerservicensieventsourcensieventtargetnsiexceptionnsiextensionmanagernsiexternalhelperappservicensiexternalprotocolservicensiexternalurlhandlerservicensiftpchannelnsiftpeventsinknsifactorynsifavicondatacallbacknsifaviconservicensifeednsifeedcontainernsifeedelementbasensifeedentrynsifeedgeneratornsifeedpersonnsifeedprocessornsifeedprogresslistenernsifeedresultnsifeedresultlistenernsifeedtextconstructnsifilensifileinputstreamnsifileoutputstreamnsifilepickernsifileprotocolhandlernsifilespecnsifilestreamsnsifileurlnsifileutilitiesnsifi...

CSS numeric factory functions - Web APIs
ethods that return cssunitvalues with the value being the numeric argument and the unit being the name of the method used. these functions create new numeric values less verbosely than using the cssunitvalue.cssunitvalue() constructor. ...

attr() - CSS: Cascading Style Sheets
. <fallback> the value to be used if the associated attribute is missing or contains an invalid value. if not set, css will use the default value defined for each <type-or-unit>. ...

<dimension> - CSS: Cascading Style Sheets
valid dimensions 12 px the unit must come immediately after the number. 12"px" units are identifiers and therefore unquoted. 3sec the seconds unit is abbreviated "s" not "sec". specifications specification status comment css values and units module level 4the definition of '<dimension>' in that specification. editor's draft adds cap, ic, lh, rlh, vi, vb css values and units module level 3the definition of '<dimension>' in that specification. candidate recommendation adds ch, rem, vw, vw, vmin, vmax, q css level 2 (revision 1)the definition of '<dimension>' in that specification. recommendation defined under numbers and length css level 1the definition of '<dimension>' in that specification. recom...