diff -r 000000000000 -r 6474c204b198 dom/telephony/TelephonyCallGroup.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/telephony/TelephonyCallGroup.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,122 @@
+/* -*- Mode: C++; 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/. */
+
+#ifndef mozilla_dom_telephony_telephonycallgroup_h__
+#define mozilla_dom_telephony_telephonycallgroup_h__
+
+#include "mozilla/dom/telephony/TelephonyCommon.h"
+
+namespace mozilla {
+namespace dom {
+
+class TelephonyCallGroup MOZ_FINAL : public DOMEventTargetHelper
+{
+  nsRefPtr<Telephony> mTelephony;
+
+  nsTArray<nsRefPtr<TelephonyCall> > mCalls;
+
+  nsRefPtr<CallsList> mCallsList;
+
+  nsString mState;
+
+  uint16_t mCallState;
+
+public:
+  NS_DECL_ISUPPORTS_INHERITED
+  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(TelephonyCallGroup,
+                                           DOMEventTargetHelper)
+
+  nsPIDOMWindow*
+  GetParentObject() const
+  {
+    return GetOwner();
+  }
+
+  // WrapperCache
+  virtual JSObject*
+  WrapObject(JSContext* aCx) MOZ_OVERRIDE;
+
+  // WebIDL interface
+  already_AddRefed<CallsList>
+  Calls() const;
+
+  void
+  Add(TelephonyCall& aCall, ErrorResult& aRv);
+
+  void
+  Add(TelephonyCall& aCall, TelephonyCall& aSecondCall, ErrorResult& aRv);
+
+  void
+  Remove(TelephonyCall& aCall, ErrorResult& aRv);
+
+  void
+  Hold(ErrorResult& aRv);
+
+  void
+  Resume(ErrorResult& aRv);
+
+  void
+  GetState(nsString& aState) const
+  {
+    aState = mState;
+  }
+
+  IMPL_EVENT_HANDLER(statechange)
+  IMPL_EVENT_HANDLER(connected)
+  IMPL_EVENT_HANDLER(holding)
+  IMPL_EVENT_HANDLER(held)
+  IMPL_EVENT_HANDLER(resuming)
+  IMPL_EVENT_HANDLER(callschanged)
+  IMPL_EVENT_HANDLER(error)
+
+  static already_AddRefed<TelephonyCallGroup>
+  Create(Telephony* aTelephony);
+
+  void
+  AddCall(TelephonyCall* aCall);
+
+  void
+  RemoveCall(TelephonyCall* aCall);
+
+  already_AddRefed<TelephonyCall>
+  GetCall(uint32_t aServiceId, uint32_t aCallIndex);
+
+  const nsTArray<nsRefPtr<TelephonyCall> >&
+  CallsArray() const
+  {
+    return mCalls;
+  }
+
+  void
+  ChangeState(uint16_t aCallState);
+
+  uint16_t
+  CallState() const
+  {
+    return mCallState;
+  }
+
+  nsresult
+  NotifyError(const nsAString& aName, const nsAString& aMessage);
+
+private:
+  TelephonyCallGroup(nsPIDOMWindow* aOwner);
+  ~TelephonyCallGroup();
+
+  nsresult
+  NotifyCallsChanged(TelephonyCall* aCall);
+
+  nsresult
+  DispatchCallEvent(const nsAString& aType,
+                    TelephonyCall* aCall);
+
+  bool CanConference(const TelephonyCall& aCall, TelephonyCall* aSecondCall);
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif // mozilla_dom_telephony_telephonycallgroup_h__