1 files changed, 64 insertions, 0 deletions
diff --git a/b2g/components/ActivityChannel.jsm b/b2g/components/ActivityChannel.jsm
new file mode 100644
index 000000000..9dfa13d67
--- /dev/null
+++ b/b2g/components/ActivityChannel.jsm
@@ -0,0 +1,64 @@
+/* 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 {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components;
+
+Cu.import('resource://gre/modules/XPCOMUtils.jsm');
+
+XPCOMUtils.defineLazyServiceGetter(this, "cpmm",
+                                   "@mozilla.org/childprocessmessagemanager;1",
+                                   "nsIMessageSender");
+
+XPCOMUtils.defineLazyServiceGetter(this, "contentSecManager",
+                                   "@mozilla.org/contentsecuritymanager;1",
+                                   "nsIContentSecurityManager");
+
+this.EXPORTED_SYMBOLS = ["ActivityChannel"];
+
+this.ActivityChannel = function(aURI, aLoadInfo, aName, aDetails) {
+  this._activityName = aName;
+  this._activityDetails = aDetails;
+  this.originalURI = aURI;
+  this.URI = aURI;
+  this.loadInfo = aLoadInfo;
+}
+
+this.ActivityChannel.prototype = {
+  originalURI: null,
+  URI: null,
+  owner: null,
+  notificationCallbacks: null,
+  securityInfo: null,
+  contentType: null,
+  contentCharset: null,
+  contentLength: 0,
+  contentDisposition: Ci.nsIChannel.DISPOSITION_INLINE,
+  contentDispositionFilename: null,
+  contentDispositionHeader: null,
+  loadInfo: null,
+
+  open: function() {
+    throw Cr.NS_ERROR_NOT_IMPLEMENTED;
+  },
+
+  open2: function() {
+    throw Cr.NS_ERROR_NOT_IMPLEMENTED;
+  },
+
+  asyncOpen: function(aListener, aContext) {
+    cpmm.sendAsyncMessage(this._activityName, this._activityDetails);
+    // Let the listener cleanup.
+    aListener.onStopRequest(this, aContext, Cr.NS_OK);
+  },
+
+  asyncOpen2: function(aListener) {
+    // throws an error if security checks fail
+    var outListener = contentSecManager.performSecurityCheck(this, aListener);
+    this.asyncOpen(outListener, null);
+  },
+
+  QueryInterface2: XPCOMUtils.generateQI([Ci.nsIChannel])
+}