gecko-dev/dom/cellbroadcast/src/CellBroadcast.cpp
Vicamo Yang 3dc67fc5ed Bug 865403 - Move MozCellBroadcast to WebIDL. r=Ms2ger
--HG--
rename : dom/cellbroadcast/interfaces/nsIDOMMozCellBroadcast.idl => dom/webidl/MozCellBroadcast.webidl
2013-08-27 11:38:37 +08:00

108 lines
2.8 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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/. */
#include "CellBroadcast.h"
#include "mozilla/dom/MozCellBroadcastBinding.h"
#include "nsIDOMMozCellBroadcastEvent.h"
#include "nsIDOMMozCellBroadcastMessage.h"
#include "nsServiceManagerUtils.h"
#include "GeneratedEvents.h"
#define NS_RILCONTENTHELPER_CONTRACTID "@mozilla.org/ril/content-helper;1"
using namespace mozilla::dom;
/**
* CellBroadcast::Listener Implementation.
*/
class CellBroadcast::Listener : public nsICellBroadcastListener
{
private:
CellBroadcast* mCellBroadcast;
public:
NS_DECL_ISUPPORTS
NS_FORWARD_SAFE_NSICELLBROADCASTLISTENER(mCellBroadcast)
Listener(CellBroadcast* aCellBroadcast)
: mCellBroadcast(aCellBroadcast)
{
MOZ_ASSERT(mCellBroadcast);
}
void Disconnect()
{
MOZ_ASSERT(mCellBroadcast);
mCellBroadcast = nullptr;
}
};
NS_IMPL_ISUPPORTS1(CellBroadcast::Listener, nsICellBroadcastListener)
/**
* CellBroadcast Implementation.
*/
// static
already_AddRefed<CellBroadcast>
CellBroadcast::Create(nsPIDOMWindow* aWindow, ErrorResult& aRv)
{
MOZ_ASSERT(aWindow);
MOZ_ASSERT(aWindow->IsInnerWindow());
nsCOMPtr<nsICellBroadcastProvider> provider =
do_GetService(NS_RILCONTENTHELPER_CONTRACTID);
if (!provider) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return nullptr;
}
nsRefPtr<CellBroadcast> cb = new CellBroadcast(aWindow, provider);
return cb.forget();
}
CellBroadcast::CellBroadcast(nsPIDOMWindow *aWindow,
nsICellBroadcastProvider *aProvider)
: nsDOMEventTargetHelper(aWindow)
, mProvider(aProvider)
{
mListener = new Listener(this);
DebugOnly<nsresult> rv = mProvider->RegisterCellBroadcastMsg(mListener);
NS_WARN_IF_FALSE(NS_SUCCEEDED(rv),
"Failed registering Cell Broadcast callback with provider");
}
CellBroadcast::~CellBroadcast()
{
MOZ_ASSERT(mProvider && mListener);
mListener->Disconnect();
mProvider->UnregisterCellBroadcastMsg(mListener);
}
JSObject*
CellBroadcast::WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aScope)
{
return MozCellBroadcastBinding::Wrap(aCx, aScope, this);
}
// Forwarded nsICellBroadcastListener methods
NS_IMETHODIMP
CellBroadcast::NotifyMessageReceived(nsIDOMMozCellBroadcastMessage* aMessage)
{
nsCOMPtr<nsIDOMEvent> event;
NS_NewDOMMozCellBroadcastEvent(getter_AddRefs(event), this, nullptr, nullptr);
nsCOMPtr<nsIDOMMozCellBroadcastEvent> ce = do_QueryInterface(event);
nsresult rv = ce->InitMozCellBroadcastEvent(NS_LITERAL_STRING("received"),
true, false, aMessage);
NS_ENSURE_SUCCESS(rv, rv);
return DispatchTrustedEvent(ce);
}