gecko/dom/telephony/USSDSession.cpp
2015-01-07 15:28:44 +08:00

128 lines
3.1 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* 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 "mozilla/dom/USSDSession.h"
#include "mozilla/dom/USSDSessionBinding.h"
#include "mozilla/dom/telephony/TelephonyCallback.h"
#include "nsIGlobalObject.h"
#include "nsServiceManagerUtils.h"
using namespace mozilla::dom;
using namespace mozilla::dom::telephony;
using mozilla::ErrorResult;
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(USSDSession, mWindow)
NS_IMPL_CYCLE_COLLECTING_ADDREF(USSDSession)
NS_IMPL_CYCLE_COLLECTING_RELEASE(USSDSession)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(USSDSession)
NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_END
USSDSession::USSDSession(nsPIDOMWindow* aWindow, nsITelephonyService* aService,
uint32_t aServiceId)
: mWindow(aWindow), mService(aService), mServiceId(aServiceId)
{
}
USSDSession::~USSDSession()
{
}
nsPIDOMWindow*
USSDSession::GetParentObject() const
{
return mWindow;
}
JSObject*
USSDSession::WrapObject(JSContext* aCx)
{
return USSDSessionBinding::Wrap(aCx, this);
}
already_AddRefed<Promise>
USSDSession::CreatePromise(ErrorResult& aRv)
{
if (!mService) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(mWindow);
if (!global) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
nsRefPtr<Promise> promise = Promise::Create(global, aRv);
if (aRv.Failed()) {
return nullptr;
}
return promise.forget();
}
// WebIDL
already_AddRefed<USSDSession>
USSDSession::Constructor(const GlobalObject& aGlobal, uint32_t aServiceId,
ErrorResult& aRv)
{
nsCOMPtr<nsPIDOMWindow> window = do_QueryInterface(aGlobal.GetAsSupports());
if (!window) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return nullptr;
}
nsCOMPtr<nsITelephonyService> ril =
do_GetService(TELEPHONY_SERVICE_CONTRACTID);
if (!ril) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return nullptr;
}
nsRefPtr<USSDSession> session = new USSDSession(window, ril, aServiceId);
return session.forget();
}
already_AddRefed<Promise>
USSDSession::Send(const nsAString& aUssd, ErrorResult& aRv)
{
nsRefPtr<Promise> promise = CreatePromise(aRv);
if (!promise) {
return nullptr;
}
nsCOMPtr<nsITelephonyCallback> callback = new TelephonyCallback(promise);
nsresult rv = mService->SendUSSD(mServiceId, aUssd, callback);
if (NS_FAILED(rv)) {
promise->MaybeReject(NS_ERROR_DOM_INVALID_STATE_ERR);
}
return promise.forget();
}
already_AddRefed<Promise>
USSDSession::Cancel(ErrorResult& aRv)
{
nsRefPtr<Promise> promise = CreatePromise(aRv);
if (!promise) {
return nullptr;
}
nsCOMPtr<nsITelephonyCallback> callback = new TelephonyCallback(promise);
nsresult rv = mService->CancelUSSD(mServiceId, callback);
if (NS_FAILED(rv)) {
promise->MaybeReject(NS_ERROR_DOM_INVALID_STATE_ERR);
}
return promise.forget();
}