forked from mirrors/gecko-dev
69 lines
1.6 KiB
C++
69 lines
1.6 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=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 "LSObserver.h"
|
|
|
|
#include "mozilla/ipc/BackgroundChild.h"
|
|
#include "mozilla/ipc/BackgroundUtils.h"
|
|
#include "mozilla/ipc/PBackgroundChild.h"
|
|
#include "nsContentUtils.h"
|
|
#include "nsIScriptObjectPrincipal.h"
|
|
|
|
namespace mozilla {
|
|
namespace dom {
|
|
|
|
namespace {
|
|
|
|
typedef nsDataHashtable<nsCStringHashKey, LSObserver*> LSObserverHashtable;
|
|
|
|
StaticAutoPtr<LSObserverHashtable> gLSObservers;
|
|
|
|
} // namespace
|
|
|
|
LSObserver::LSObserver(const nsACString& aOrigin)
|
|
: mActor(nullptr), mOrigin(aOrigin) {
|
|
AssertIsOnOwningThread();
|
|
|
|
if (!gLSObservers) {
|
|
gLSObservers = new LSObserverHashtable();
|
|
}
|
|
|
|
MOZ_ASSERT(!gLSObservers->Get(mOrigin));
|
|
gLSObservers->Put(mOrigin, this);
|
|
}
|
|
|
|
LSObserver::~LSObserver() {
|
|
AssertIsOnOwningThread();
|
|
|
|
if (mActor) {
|
|
mActor->SendDeleteMeInternal();
|
|
MOZ_ASSERT(!mActor, "SendDeleteMeInternal should have cleared!");
|
|
}
|
|
|
|
MOZ_ASSERT(gLSObservers);
|
|
MOZ_ASSERT(gLSObservers->Get(mOrigin));
|
|
gLSObservers->Remove(mOrigin);
|
|
|
|
if (!gLSObservers->Count()) {
|
|
gLSObservers = nullptr;
|
|
}
|
|
}
|
|
|
|
// static
|
|
LSObserver* LSObserver::Get(const nsACString& aOrigin) {
|
|
return gLSObservers ? gLSObservers->Get(aOrigin) : nullptr;
|
|
}
|
|
|
|
void LSObserver::SetActor(LSObserverChild* aActor) {
|
|
AssertIsOnOwningThread();
|
|
MOZ_ASSERT(aActor);
|
|
MOZ_ASSERT(!mActor);
|
|
|
|
mActor = aActor;
|
|
}
|
|
|
|
} // namespace dom
|
|
} // namespace mozilla
|