Finding window handles - Archive of obsolete content
note: starting in gecko 17.0, nsibasewindow.nativehandle provides the handle (hwnd [widows], gdkwindow* [linux], nswindow* [macosx],...) of a top-level window, for all plateforms, as a string.
...once you have a docshell, queryinterface it into nsibasewindow, call getmainwidget on result, and then call getnativedata(ns_native_window).
... like this hwnd gethwnd(nsibasewindow *window) { nscomptr< nsiwidget > widget; window->getmainwidget(getter_addrefs(widget)); if (widget) return (hwnd) widget->getnativedata(ns_native_window); } yet another way to find a window handle (parent window handle) this method is for people who want to get the top level window hwnd from the window object in javascript.
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Overview of Mozilla embedding APIs
contract-id: ns_webbrowser_contractid implemented interfaces: nsiwebbrowser nsiwebnavigation nsiwebbrowsersetup nsiwebbrowserpersist nsiwebbrowserfind nsiwebbrowserprint nsiwebbrowserfocus nsibasewindow requestor interfaces: nsidomwindow nsidomdocument nsiwebprogress nsiclipboardcommands nsiprompt related interfaces: nsiprompt nsiwebbrowserchrome nsiwebbrowsersitewindow nsiwebprogresslistener nsicontextmenulistener nsiprintoptions overview: most of gecko's functionality is exposed through the nswebbrowser component.
... below is a code snippet which an embedding application can use to create and initialize a webbrowser: nsresult rv; nscomptr<nsibasewindow> basewindow; nscomptr<nsiwebbrowser> webbrowser; // create a nswebbrowser instance...
...being reviewed interface definition: nsidomwindow.idl nsibasewindow this interface provides access to various window operations.
...being reviewed interface definition: nsibasewindow.idl nsirequest this interface provides a means to control various operations.

nsIWebBrowser
the embedder must associate the two by setting this property to point to the chrome object before creating the browser window via the browser's nsibasewindow interface.
... see also nsibasewindow nsicontextmenulistener nsidomwindow nsiembeddingsitewindow nsiinterfacerequestor nsishistorylistener nsitooltiplistener nsiuricontentlistener nsiweakreference nsiwebbrowserchrome nsiwebbrowserchromefocus nsiwebprogresslistener ...

window/utils - Archive of obsolete content
xulwindow(window) returns the nsixulwindow for the given nsidomwindow: var { ci } = require('chrome'); var utils = require('sdk/window/utils'); var active = utils.getmostrecentbrowserwindow(); active instanceof ci.nsixulwindow // => false utils.getxulwindow(active) instanceof ci.nsixulwindow // => true parameters window : nsidomwindow returns nsixulwindow getbasewindow(window) returns the nsibasewindow for the given nsidomwindow: var { ci } = require('chrome'); var utils = require('sdk/window/utils'); var active = utils.getmostrecentbrowserwindow(); active instanceof ci.nsibasewindow // => false utils.getbasewindow(active) instanceof ci.nsibasewindow // => true parameters window : nsidomwindow returns nsibasewindow gettoplevelwindow(window) returns the toplevel nsidomwindow for the given...