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"use strict";
// Wraps the given object in an XPConnect wrapper and, if an interface
// is passed, queries the result to that interface.
function xpcWrap(obj, iface) {
let ifacePointer = Cc[
"@mozilla.org/supports-interface-pointer;1"
].createInstance(Ci.nsISupportsInterfacePointer);
ifacePointer.data = obj;
if (iface) {
return ifacePointer.data.QueryInterface(iface);
}
return ifacePointer.data;
}
function createContentWindow(uri) {
const principal = Services.scriptSecurityManager
.createContentPrincipalFromOrigin(uri);
const webnav = Services.appShell.createWindowlessBrowser(false);
const docShell = webnav.docShell;
docShell.createAboutBlankDocumentViewer(principal, principal);
return webnav.document.defaultView;
}
function createChromeWindow() {
const principal = Services.scriptSecurityManager.getSystemPrincipal();
const webnav = Services.appShell.createWindowlessBrowser(true);
const docShell = webnav.docShell;
docShell.createAboutBlankDocumentViewer(principal, principal);
return webnav.document.defaultView;
}