gecko-dev/dom/network/Connection.cpp

139 строки
3.4 KiB
C++

/* -*- 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/. */
#include "Connection.h"
#include "ConnectionMainThread.h"
#include "ConnectionWorker.h"
#include "nsIDOMClassInfo.h"
#include "Constants.h"
#include "mozilla/Telemetry.h"
#include "WorkerPrivate.h"
/**
* We have to use macros here because our leak analysis tool things we are
* leaking strings when we have |static const nsString|. Sad :(
*/
#define CHANGE_EVENT_NAME NS_LITERAL_STRING("typechange")
namespace mozilla {
namespace dom {
using namespace workers;
namespace network {
NS_IMPL_QUERY_INTERFACE_INHERITED(Connection, DOMEventTargetHelper,
nsINetworkProperties)
// Don't use |Connection| alone, since that confuses nsTraceRefcnt since
// we're not the only class with that name.
NS_IMPL_ADDREF_INHERITED(dom::network::Connection, DOMEventTargetHelper)
NS_IMPL_RELEASE_INHERITED(dom::network::Connection, DOMEventTargetHelper)
Connection::Connection(nsPIDOMWindowInner* aWindow)
: DOMEventTargetHelper(aWindow)
, mType(static_cast<ConnectionType>(kDefaultType))
, mIsWifi(kDefaultIsWifi)
, mDHCPGateway(kDefaultDHCPGateway)
, mBeenShutDown(false)
{
Telemetry::Accumulate(Telemetry::NETWORK_CONNECTION_COUNT, 1);
}
Connection::~Connection()
{
NS_ASSERT_OWNINGTHREAD(Connection);
MOZ_ASSERT(mBeenShutDown);
}
void
Connection::Shutdown()
{
NS_ASSERT_OWNINGTHREAD(Connection);
if (mBeenShutDown) {
return;
}
mBeenShutDown = true;
ShutdownInternal();
}
NS_IMETHODIMP
Connection::GetIsWifi(bool* aIsWifi)
{
NS_ENSURE_ARG_POINTER(aIsWifi);
NS_ASSERT_OWNINGTHREAD(Connection);
*aIsWifi = mIsWifi;
return NS_OK;
}
NS_IMETHODIMP
Connection::GetDhcpGateway(uint32_t* aGW)
{
NS_ENSURE_ARG_POINTER(aGW);
NS_ASSERT_OWNINGTHREAD(Connection);
*aGW = mDHCPGateway;
return NS_OK;
}
JSObject*
Connection::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
{
return NetworkInformationBinding::Wrap(aCx, this, aGivenProto);
}
void
Connection::Update(ConnectionType aType, bool aIsWifi, bool aDHCPGateway,
bool aNotify)
{
NS_ASSERT_OWNINGTHREAD(Connection);
ConnectionType previousType = mType;
mType = aType;
mIsWifi = aIsWifi;
mDHCPGateway = aDHCPGateway;
if (aNotify && previousType != aType) {
DispatchTrustedEvent(CHANGE_EVENT_NAME);
}
}
/* static */ bool
Connection::IsEnabled(JSContext* aCx, JSObject* aObj)
{
if (NS_IsMainThread()) {
return Preferences::GetBool("dom.netinfo.enabled");
}
WorkerPrivate* workerPrivate = GetWorkerPrivateFromContext(aCx);
MOZ_ASSERT(workerPrivate);
return workerPrivate->NetworkInformationEnabled();
}
/* static */ Connection*
Connection::CreateForWindow(nsPIDOMWindowInner* aWindow)
{
MOZ_ASSERT(aWindow);
return new ConnectionMainThread(aWindow);
}
/* static */ already_AddRefed<Connection>
Connection::CreateForWorker(workers::WorkerPrivate* aWorkerPrivate,
ErrorResult& aRv)
{
MOZ_ASSERT(aWorkerPrivate);
aWorkerPrivate->AssertIsOnWorkerThread();
return ConnectionWorker::Create(aWorkerPrivate, aRv);
}
} // namespace network
} // namespace dom
} // namespace mozilla