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84 lines
2.9 KiB
JavaScript
84 lines
2.9 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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const Ci = Components.interfaces;
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const Cu = Components.utils;
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const Cc = Components.classes;
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const Cr = Components.results;
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Cu.import("resource://gre/modules/XPCOMUtils.jsm");
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Cu.import("resource://gre/modules/Services.jsm");
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Cu.import("resource://gre/modules/Messaging.jsm");
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function ContentDispatchChooser() {}
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ContentDispatchChooser.prototype =
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{
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classID: Components.ID("5a072a22-1e66-4100-afc1-07aed8b62fc5"),
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QueryInterface: XPCOMUtils.generateQI([Ci.nsIContentDispatchChooser]),
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get protoSvc() {
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if (!this._protoSvc) {
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this._protoSvc = Cc["@mozilla.org/uriloader/external-protocol-service;1"].getService(Ci.nsIExternalProtocolService);
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}
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return this._protoSvc;
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},
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_getChromeWin: function getChromeWin() {
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try {
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return Services.wm.getMostRecentWindow("navigator:browser");
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} catch (e) {
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throw Cr.NS_ERROR_FAILURE;
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}
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},
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ask: function ask(aHandler, aWindowContext, aURI, aReason) {
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let window = null;
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try {
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if (aWindowContext)
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window = aWindowContext.getInterface(Ci.nsIDOMWindow);
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} catch (e) { /* it's OK to not have a window */ }
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// The current list is based purely on the scheme. Redo the query using the url to get more
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// specific results.
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aHandler = this.protoSvc.getProtocolHandlerInfoFromOS(aURI.spec, {});
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// The first handler in the set is the Android Application Chooser (which will fall back to a default if one is set)
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// If we have more than one option, let the OS handle showing a list (if needed).
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if (aHandler.possibleApplicationHandlers.length > 1) {
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aHandler.launchWithURI(aURI, aWindowContext);
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} else {
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// xpcshell tests do not have an Android Bridge but we require Android
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// Bridge when using Messaging so we guard against this case. xpcshell
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// tests also do not have a window, so we use this state to guard.
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let win = this._getChromeWin();
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if (!win) {
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return;
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}
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let msg = {
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type: "Intent:OpenNoHandler",
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uri: aURI.spec,
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};
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Messaging.sendRequestForResult(msg).then(() => {
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// Java opens an app on success: take no action.
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}, (uri) => {
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// We couldn't open this. If this was from a click, it's likely that we just
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// want this to fail silently. If the user entered this on the address bar, though,
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// we want to show the neterror page.
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let dwu = window.QueryInterface(Ci.nsIInterfaceRequestor).getInterface(Ci.nsIDOMWindowUtils);
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let millis = dwu.millisSinceLastUserInput;
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if (millis > 0 && millis >= 1000) {
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window.location.href = uri;
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}
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});
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}
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},
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};
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this.NSGetFactory = XPCOMUtils.generateNSGetFactory([ContentDispatchChooser]);
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