Add m-esr52 at 52.6.0

1 files changed, 83 insertions, 0 deletions

diff --git a/mobile/android/components/ContentDispatchChooser.js b/mobile/android/components/ContentDispatchChooser.js
new file mode 100644
index 000000000..b28e356e0
--- /dev/null
+++ b/mobile/android/components/ContentDispatchChooser.js
@@ -0,0 +1,83 @@
+/* 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]);