tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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Connection.cpp (2666B)

      1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
      3 /* This Source Code Form is subject to the terms of the Mozilla Public
      4 * License, v. 2.0. If a copy of the MPL was not distributed with this
      5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      6 
      7 #include "Connection.h"
      8 
      9 #include "ConnectionMainThread.h"
     10 #include "ConnectionWorker.h"
     11 #include "Constants.h"
     12 #include "mozilla/dom/WorkerPrivate.h"
     13 
     14 /**
     15 * We have to use macros here because our leak analysis tool things we are
     16 * leaking strings when we have |static const nsString|. Sad :(
     17 */
     18 #define CHANGE_EVENT_NAME u"typechange"_ns
     19 
     20 namespace mozilla::dom::network {
     21 
     22 // Don't use |Connection| alone, since that confuses nsTraceRefcnt since
     23 // we're not the only class with that name.
     24 NS_IMPL_ISUPPORTS_INHERITED0(dom::network::Connection, DOMEventTargetHelper)
     25 
     26 Connection::Connection(nsPIDOMWindowInner* aWindow,
     27                       bool aShouldResistFingerprinting)
     28    : DOMEventTargetHelper(aWindow),
     29      mShouldResistFingerprinting(aShouldResistFingerprinting),
     30      mType(static_cast<ConnectionType>(kDefaultType)),
     31      mIsWifi(kDefaultIsWifi),
     32      mDHCPGateway(kDefaultDHCPGateway),
     33      mBeenShutDown(false) {}
     34 
     35 Connection::~Connection() {
     36  NS_ASSERT_OWNINGTHREAD(Connection);
     37  MOZ_ASSERT(mBeenShutDown);
     38 }
     39 
     40 void Connection::Shutdown() {
     41  NS_ASSERT_OWNINGTHREAD(Connection);
     42 
     43  if (mBeenShutDown) {
     44    return;
     45  }
     46 
     47  mBeenShutDown = true;
     48  ShutdownInternal();
     49 }
     50 
     51 JSObject* Connection::WrapObject(JSContext* aCx,
     52                                 JS::Handle<JSObject*> aGivenProto) {
     53  return NetworkInformation_Binding::Wrap(aCx, this, aGivenProto);
     54 }
     55 
     56 void Connection::Update(ConnectionType aType, bool aIsWifi,
     57                        uint32_t aDHCPGateway, bool aNotify) {
     58  NS_ASSERT_OWNINGTHREAD(Connection);
     59 
     60  ConnectionType previousType = mType;
     61 
     62  mType = aType;
     63  mIsWifi = aIsWifi;
     64  mDHCPGateway = aDHCPGateway;
     65 
     66  if (aNotify && previousType != aType && !mShouldResistFingerprinting) {
     67    DispatchTrustedEvent(CHANGE_EVENT_NAME);
     68  }
     69 }
     70 
     71 /* static */
     72 Connection* Connection::CreateForWindow(nsPIDOMWindowInner* aWindow,
     73                                        bool aShouldResistFingerprinting) {
     74  MOZ_ASSERT(aWindow);
     75  return new ConnectionMainThread(aWindow, aShouldResistFingerprinting);
     76 }
     77 
     78 /* static */
     79 already_AddRefed<Connection> Connection::CreateForWorker(
     80    WorkerPrivate* aWorkerPrivate, ErrorResult& aRv) {
     81  MOZ_ASSERT(aWorkerPrivate);
     82  aWorkerPrivate->AssertIsOnWorkerThread();
     83  return ConnectionWorker::Create(aWorkerPrivate, aRv);
     84 }
     85 
     86 }  // namespace mozilla::dom::network