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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;
const Cr = Components.results;
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
Cu.import("resource://gre/modules/Services.jsm");
Cu.import("resource://gre/modules/Messaging.jsm");
function ContentDispatchChooser() {}
ContentDispatchChooser.prototype =
{
classID: Components.ID("5a072a22-1e66-4100-afc1-07aed8b62fc5"),
QueryInterface: XPCOMUtils.generateQI([Ci.nsIContentDispatchChooser]),
get protoSvc() {
if (!this._protoSvc) {
this._protoSvc = Cc["@mozilla.org/uriloader/external-protocol-service;1"].getService(Ci.nsIExternalProtocolService);
}
return this._protoSvc;
},
_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 {
// xpcshell tests do not have an Android Bridge but we require Android
// Bridge when using Messaging so we guard against this case. xpcshell
// tests also do not have a window, so we use this state to guard.
let win = this._getChromeWin();
if (!win) {
return;
}
let msg = {
type: "Intent:OpenNoHandler",
uri: aURI.spec,
};
Messaging.sendRequestForResult(msg).then(() => {
// Java opens an app on success: take no action.
}, (uri) => {
// We couldn't open this. If this was from a click, it's likely that we just
// want this to fail silently. If the user entered this on the address bar, though,
// we want to show the neterror page.
let dwu = window.QueryInterface(Ci.nsIInterfaceRequestor).getInterface(Ci.nsIDOMWindowUtils);
let millis = dwu.millisSinceLastUserInput;
if (millis > 0 && millis >= 1000) {
window.location.href = uri;
}
});
}
},
};
this.NSGetFactory = XPCOMUtils.generateNSGetFactory([ContentDispatchChooser]);
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