The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/dom/cellbroadcast/src/CellBroadcast.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,106 @@
     1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +
     1.9 +#include "CellBroadcast.h"
    1.10 +#include "mozilla/dom/MozCellBroadcastBinding.h"
    1.11 +#include "nsIDOMMozCellBroadcastEvent.h"
    1.12 +#include "nsIDOMMozCellBroadcastMessage.h"
    1.13 +#include "nsServiceManagerUtils.h"
    1.14 +#include "GeneratedEvents.h"
    1.15 +
    1.16 +#define NS_RILCONTENTHELPER_CONTRACTID "@mozilla.org/ril/content-helper;1"
    1.17 +
    1.18 +using namespace mozilla::dom;
    1.19 +
    1.20 +/**
    1.21 + * CellBroadcast::Listener Implementation.
    1.22 + */
    1.23 +
    1.24 +class CellBroadcast::Listener : public nsICellBroadcastListener
    1.25 +{
    1.26 +private:
    1.27 +  CellBroadcast* mCellBroadcast;
    1.28 +
    1.29 +public:
    1.30 +  NS_DECL_ISUPPORTS
    1.31 +  NS_FORWARD_SAFE_NSICELLBROADCASTLISTENER(mCellBroadcast)
    1.32 +
    1.33 +  Listener(CellBroadcast* aCellBroadcast)
    1.34 +    : mCellBroadcast(aCellBroadcast)
    1.35 +  {
    1.36 +    MOZ_ASSERT(mCellBroadcast);
    1.37 +  }
    1.38 +
    1.39 +  void Disconnect()
    1.40 +  {
    1.41 +    MOZ_ASSERT(mCellBroadcast);
    1.42 +    mCellBroadcast = nullptr;
    1.43 +  }
    1.44 +};
    1.45 +
    1.46 +NS_IMPL_ISUPPORTS(CellBroadcast::Listener, nsICellBroadcastListener)
    1.47 +
    1.48 +/**
    1.49 + * CellBroadcast Implementation.
    1.50 + */
    1.51 +
    1.52 +// static
    1.53 +already_AddRefed<CellBroadcast>
    1.54 +CellBroadcast::Create(nsPIDOMWindow* aWindow, ErrorResult& aRv)
    1.55 +{
    1.56 +  MOZ_ASSERT(aWindow);
    1.57 +  MOZ_ASSERT(aWindow->IsInnerWindow());
    1.58 +
    1.59 +  nsCOMPtr<nsICellBroadcastProvider> provider =
    1.60 +    do_GetService(NS_RILCONTENTHELPER_CONTRACTID);
    1.61 +  if (!provider) {
    1.62 +    aRv.Throw(NS_ERROR_UNEXPECTED);
    1.63 +    return nullptr;
    1.64 +  }
    1.65 +
    1.66 +  nsRefPtr<CellBroadcast> cb = new CellBroadcast(aWindow, provider);
    1.67 +  return cb.forget();
    1.68 +}
    1.69 +
    1.70 +CellBroadcast::CellBroadcast(nsPIDOMWindow *aWindow,
    1.71 +                             nsICellBroadcastProvider *aProvider)
    1.72 +  : DOMEventTargetHelper(aWindow)
    1.73 +  , mProvider(aProvider)
    1.74 +{
    1.75 +  mListener = new Listener(this);
    1.76 +  DebugOnly<nsresult> rv = mProvider->RegisterCellBroadcastMsg(mListener);
    1.77 +  NS_WARN_IF_FALSE(NS_SUCCEEDED(rv),
    1.78 +                   "Failed registering Cell Broadcast callback with provider");
    1.79 +}
    1.80 +
    1.81 +CellBroadcast::~CellBroadcast()
    1.82 +{
    1.83 +  MOZ_ASSERT(mProvider && mListener);
    1.84 +
    1.85 +  mListener->Disconnect();
    1.86 +  mProvider->UnregisterCellBroadcastMsg(mListener);
    1.87 +}
    1.88 +
    1.89 +JSObject*
    1.90 +CellBroadcast::WrapObject(JSContext* aCx)
    1.91 +{
    1.92 +  return MozCellBroadcastBinding::Wrap(aCx, this);
    1.93 +}
    1.94 +
    1.95 +// Forwarded nsICellBroadcastListener methods
    1.96 +
    1.97 +NS_IMETHODIMP
    1.98 +CellBroadcast::NotifyMessageReceived(nsIDOMMozCellBroadcastMessage* aMessage)
    1.99 +{
   1.100 +  nsCOMPtr<nsIDOMEvent> event;
   1.101 +  NS_NewDOMMozCellBroadcastEvent(getter_AddRefs(event), this, nullptr, nullptr);
   1.102 +
   1.103 +  nsCOMPtr<nsIDOMMozCellBroadcastEvent> ce = do_QueryInterface(event);
   1.104 +  nsresult rv = ce->InitMozCellBroadcastEvent(NS_LITERAL_STRING("received"),
   1.105 +                                              true, false, aMessage);
   1.106 +  NS_ENSURE_SUCCESS(rv, rv);
   1.107 +
   1.108 +  return DispatchTrustedEvent(ce);
   1.109 +}