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-rw-r--r--mobile/android/components/ContentDispatchChooser.js83
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diff --git a/mobile/android/components/ContentDispatchChooser.js b/mobile/android/components/ContentDispatchChooser.js
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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]);