The Tor Browser: comparison dom/system/gonk/SystemWorkerManager.cpp

--1:000000000000
+:cedfa9b637b1
+/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
+/* vim: set ts=2 et sw=2 tw=80: */
+/* Copyright 2012 Mozilla Foundation and Mozilla contributors
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+#include "SystemWorkerManager.h"
+#include "nsINetworkService.h"
+#include "nsIWifi.h"
+#include "nsIWorkerHolder.h"
+#include "nsIXPConnect.h"
+#include "jsfriendapi.h"
+#include "mozilla/dom/workers/Workers.h"
+#include "AutoMounter.h"
+#include "TimeZoneSettingObserver.h"
+#include "AudioManager.h"
+#ifdef MOZ_B2G_RIL
+#include "mozilla/ipc/Ril.h"
+#endif
+#ifdef MOZ_NFC
+#include "mozilla/ipc/Nfc.h"
+#endif
+#include "mozilla/ipc/KeyStore.h"
+#include "nsIObserverService.h"
+#include "nsCxPusher.h"
+#include "nsServiceManagerUtils.h"
+#include "nsThreadUtils.h"
+#include "nsRadioInterfaceLayer.h"
+#include "WifiWorker.h"
+#include "mozilla/Services.h"
+USING_WORKERS_NAMESPACE
+using namespace mozilla::dom::gonk;
+using namespace mozilla::ipc;
+using namespace mozilla::system;
+namespace {
+NS_DEFINE_CID(kWifiWorkerCID, NS_WIFIWORKER_CID);
+// Doesn't carry a reference, we're owned by services.
+SystemWorkerManager *gInstance = nullptr;
+} // anonymous namespace
+SystemWorkerManager::SystemWorkerManager()
+: mShutdown(false)
+{
+NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
+NS_ASSERTION(!gInstance, "There should only be one instance!");
+}
+SystemWorkerManager::~SystemWorkerManager()
+{
+NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
+NS_ASSERTION(!gInstance || gInstance == this,
+"There should only be one instance!");
+gInstance = nullptr;
+}
+nsresult
+SystemWorkerManager::Init()
+{
+if (XRE_GetProcessType() != GeckoProcessType_Default) {
+return NS_ERROR_NOT_AVAILABLE;
+}
+NS_ASSERTION(NS_IsMainThread(), "We can only initialize on the main thread");
+NS_ASSERTION(!mShutdown, "Already shutdown!");
+mozilla::AutoSafeJSContext cx;
+nsresult rv = InitWifi(cx);
+if (NS_FAILED(rv)) {
+NS_WARNING("Failed to initialize WiFi Networking!");
+return rv;
+}
+InitKeyStore(cx);
+InitAutoMounter();
+InitializeTimeZoneSettingObserver();
+nsCOMPtr<nsIAudioManager> audioManager =
+do_GetService(NS_AUDIOMANAGER_CONTRACTID);
+nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
+if (!obs) {
+NS_WARNING("Failed to get observer service!");
+return NS_ERROR_FAILURE;
+}
+rv = obs->AddObserver(this, WORKERS_SHUTDOWN_TOPIC, false);
+if (NS_FAILED(rv)) {
+NS_WARNING("Failed to initialize worker shutdown event!");
+return rv;
+}
+return NS_OK;
+}
+void
+SystemWorkerManager::Shutdown()
+{
+NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
+mShutdown = true;
+ShutdownAutoMounter();
+#ifdef MOZ_B2G_RIL
+RilConsumer::Shutdown();
+#endif
+#ifdef MOZ_NFC
+NfcConsumer::Shutdown();
+#endif
+nsCOMPtr<nsIWifi> wifi(do_QueryInterface(mWifiWorker));
+if (wifi) {
+wifi->Shutdown();
+wifi = nullptr;
+}
+mWifiWorker = nullptr;
+nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
+if (obs) {
+obs->RemoveObserver(this, WORKERS_SHUTDOWN_TOPIC);
+}
+}
+// static
+already_AddRefed<SystemWorkerManager>
+SystemWorkerManager::FactoryCreate()
+{
+NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
+nsRefPtr<SystemWorkerManager> instance(gInstance);
+if (!instance) {
+instance = new SystemWorkerManager();
+if (NS_FAILED(instance->Init())) {
+instance->Shutdown();
+return nullptr;
+}
+gInstance = instance;
+}
+return instance.forget();
+}
+// static
+nsIInterfaceRequestor*
+SystemWorkerManager::GetInterfaceRequestor()
+{
+return gInstance;
+}
+NS_IMETHODIMP
+SystemWorkerManager::GetInterface(const nsIID &aIID, void **aResult)
+{
+NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
+if (aIID.Equals(NS_GET_IID(nsIWifi))) {
+return CallQueryInterface(mWifiWorker,
+reinterpret_cast<nsIWifi**>(aResult));
+}
+NS_WARNING("Got nothing for the requested IID!");
+return NS_ERROR_NO_INTERFACE;
+}
+nsresult
+SystemWorkerManager::RegisterRilWorker(unsigned int aClientId,
+JS::Handle<JS::Value> aWorker,
+JSContext *aCx)
+{
+#ifndef MOZ_B2G_RIL
+return NS_ERROR_NOT_IMPLEMENTED;
+#else
+NS_ENSURE_TRUE(aWorker.isObject(), NS_ERROR_UNEXPECTED);
+JSAutoCompartment ac(aCx, &aWorker.toObject());
+WorkerCrossThreadDispatcher *wctd =
+GetWorkerCrossThreadDispatcher(aCx, aWorker);
+if (!wctd) {
+NS_WARNING("Failed to GetWorkerCrossThreadDispatcher for ril");
+return NS_ERROR_FAILURE;
+}
+return RilConsumer::Register(aClientId, wctd);
+#endif // MOZ_B2G_RIL
+}
+nsresult
+SystemWorkerManager::RegisterNfcWorker(JS::Handle<JS::Value> aWorker,
+JSContext* aCx)
+{
+#ifndef MOZ_NFC
+return NS_ERROR_NOT_IMPLEMENTED;
+#else
+NS_ENSURE_TRUE(aWorker.isObject(), NS_ERROR_UNEXPECTED);
+JSAutoCompartment ac(aCx, &aWorker.toObject());
+WorkerCrossThreadDispatcher* wctd =
+GetWorkerCrossThreadDispatcher(aCx, aWorker);
+if (!wctd) {
+NS_WARNING("Failed to GetWorkerCrossThreadDispatcher for nfc");
+return NS_ERROR_FAILURE;
+}
+return NfcConsumer::Register(wctd);
+#endif // MOZ_NFC
+}
+nsresult
+SystemWorkerManager::InitWifi(JSContext *cx)
+{
+nsCOMPtr<nsIWorkerHolder> worker = do_CreateInstance(kWifiWorkerCID);
+NS_ENSURE_TRUE(worker, NS_ERROR_FAILURE);
+mWifiWorker = worker;
+return NS_OK;
+}
+nsresult
+SystemWorkerManager::InitKeyStore(JSContext *cx)
+{
+mKeyStore = new KeyStore();
+return NS_OK;
+}
+NS_IMPL_ISUPPORTS(SystemWorkerManager,
+nsIObserver,
+nsIInterfaceRequestor,
+nsISystemWorkerManager)
+NS_IMETHODIMP
+SystemWorkerManager::Observe(nsISupports *aSubject, const char *aTopic,
+const char16_t *aData)
+{
+if (!strcmp(aTopic, WORKERS_SHUTDOWN_TOPIC)) {
+Shutdown();
+}
+return NS_OK;
+}

The Tor Browser / file comparison

comparison: dom/system/gonk/SystemWorkerManager.cpp

dom/system/gonk/SystemWorkerManager.cpp