1 files changed, 86 insertions, 0 deletions
diff --git a/mobile/android/components/PresentationRequestUIGlue.js b/mobile/android/components/PresentationRequestUIGlue.js
new file mode 100644
index 000000000..af252c875
--- /dev/null
+++ b/mobile/android/components/PresentationRequestUIGlue.js
@@ -0,0 +1,86 @@
+/* -*- Mode: tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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/. */
+
+"use strict"
+
+const { interfaces: Ci, utils: Cu, classes: Cc  } = Components;
+
+const TOPIC_PRESENTATION_RECEIVER_LAUNCH = "presentation-receiver:launch";
+const TOPIC_PRESENTATION_RECEIVER_LAUNCH_RESPONSE = "presentation-receiver:launch:response";
+
+// globals XPCOMUtils
+Cu.import("resource://gre/modules/XPCOMUtils.jsm");
+// globals Services
+Cu.import("resource://gre/modules/Services.jsm");
+
+function log(str) {
+  // dump("-*- PresentationRequestUIGlue.js -*-: " + str + "\n");
+}
+
+function PresentationRequestUIGlue() { }
+
+PresentationRequestUIGlue.prototype = {
+  sendRequest: function sendRequest(aURL, aSessionId, aDevice) {
+    log("PresentationRequestUIGlue - sendRequest aURL=" + aURL +
+        " aSessionId=" + aSessionId);
+
+    let localDevice;
+    try {
+      localDevice = aDevice.QueryInterface(Ci.nsIPresentationLocalDevice);
+    } catch (e) {
+      /* XXX: Currently, Fennec only support 1-UA devices. Remove this
+       * Promise.reject() when it starts to support 2-UA devices.
+       */
+      log("Not an 1-UA device.")
+      return new Promise.reject();
+    }
+
+    return new Promise((aResolve, aReject) => {
+
+      let uuidGenerator = Cc["@mozilla.org/uuid-generator;1"]
+                            .getService(Ci.nsIUUIDGenerator);
+      let requestId = uuidGenerator.generateUUID().toString();
+
+      let handleObserve = (aSubject, aTopic, aData) => {
+        log("Got observe: aTopic=" + aTopic);
+
+        let data = JSON.parse(aData);
+        if (data.requestId != requestId) {
+          return;
+        }
+
+        Services.obs.removeObserver(handleObserve,
+                                    TOPIC_PRESENTATION_RECEIVER_LAUNCH_RESPONSE);
+        switch(data.result) {
+          case "success":
+            aResolve(aSubject);
+            break;
+          case "error":
+            aReject();
+            break;
+        };
+      };
+
+      Services.obs.addObserver(handleObserve,
+                               TOPIC_PRESENTATION_RECEIVER_LAUNCH_RESPONSE,
+                               false);
+
+      let data = {
+        url: aURL,
+        windowId: localDevice.windowId,
+        requestId: requestId
+      };
+      Services.obs.notifyObservers(null,
+                                   TOPIC_PRESENTATION_RECEIVER_LAUNCH,
+                                   JSON.stringify(data));
+    })
+  },
+
+  classID: Components.ID("9c550ef7-3ff6-4bd1-9ad1-5a3735b90d21"),
+  QueryInterface: XPCOMUtils.generateQI([Ci.nsIPresentationRequestUIGlue])
+};
+
+this.NSGetFactory = XPCOMUtils.generateNSGetFactory([PresentationRequestUIGlue]);