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/* 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/. */
const Ci = Components.interfaces;
const Cu = Components.utils;
const Cc = Components.classes;
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
Cu.import("resource://gre/modules/Services.jsm");
function ContentDispatchChooser() {}
ContentDispatchChooser.prototype =
{
classID: Components.ID("5a072a22-1e66-4100-afc1-07aed8b62fc5"),
QueryInterface: XPCOMUtils.generateQI([Ci.nsIContentDispatchChooser]),
get protoSvc() {
delete this.protoSvc;
return this.protoSvc = Cc["@mozilla.org/uriloader/external-protocol-service;1"].getService(Ci.nsIExternalProtocolService);
},
_getChromeWin: function getChromeWin() {
try {
return Services.wm.getMostRecentWindow("navigator:browser");
} catch (e) {
throw Cr.NS_ERROR_FAILURE;
}
},
ask: function ask(aHandler, aWindowContext, aURI, aReason) {
let window = null;
try {
if (aWindowContext)
window = aWindowContext.getInterface(Ci.nsIDOMWindow);
} catch (e) { /* it's OK to not have a window */ }
// The current list is based purely on the scheme. Redo the query using the url to get more
// specific results.
aHandler = this.protoSvc.getProtocolHandlerInfoFromOS(aURI.spec, {});
// The first handler in the set is the Android Application Chooser (which will fall back to a default if one is set)
// If we have more than one option, let the OS handle showing a list (if needed).
if (aHandler.possibleApplicationHandlers.length > 1) {
aHandler.launchWithURI(aURI, aWindowContext);
} else {
let win = this._getChromeWin();
if (win && win.NativeWindow) {
let bundle = Services.strings.createBundle("chrome://browser/locale/handling.properties");
let text = bundle.GetStringFromName("protocol.failed");
win.NativeWindow.toast.show(text, "long");
}
}
}
};
this.NSGetFactory = XPCOMUtils.generateNSGetFactory([ContentDispatchChooser]);
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