gecko-dev/toolkit/components/search/nsSidebar.js

51 строка
1.7 KiB
JavaScript

/* -*- indent-tabs-mode: nil; js-indent-level: 4 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
ChromeUtils.import("resource://gre/modules/XPCOMUtils.jsm");
function nsSidebar() {
}
nsSidebar.prototype = {
init(window) {
this.window = window;
try {
this.mm = window.QueryInterface(Ci.nsIInterfaceRequestor)
.getInterface(Ci.nsIDocShell)
.QueryInterface(Ci.nsIInterfaceRequestor)
.getInterface(Ci.nsIContentFrameMessageManager);
} catch (e) {
Cu.reportError(e);
}
},
// This function implements window.external.AddSearchProvider().
// The capitalization, although nonstandard here, is to match other browsers'
// APIs and is therefore important.
AddSearchProvider(engineURL) {
if (!this.mm) {
Cu.reportError(`Installing a search provider from this context is not currently supported: ${Error().stack}.`);
return;
}
this.mm.sendAsyncMessage("Search:AddEngine", {
pageURL: this.window.document.documentURIObject.spec,
engineURL
});
},
// This function exists to implement window.external.IsSearchProviderInstalled(),
// for compatibility with other browsers. The function has been deprecated
// and so will not be implemented.
IsSearchProviderInstalled(engineURL) {
return 0;
},
classID: Components.ID("{22117140-9c6e-11d3-aaf1-00805f8a4905}"),
QueryInterface: ChromeUtils.generateQI([Ci.nsIDOMGlobalPropertyInitializer])
};
this.NSGetFactory = XPCOMUtils.generateNSGetFactory([nsSidebar]);