mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-24 05:11:16 +00:00
130 lines
3.6 KiB
C++
130 lines
3.6 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 "CookieStoreNotificationWatcher.h"
|
|
#include "mozilla/Services.h"
|
|
#include "mozilla/Unused.h"
|
|
#include "nsICookie.h"
|
|
#include "nsICookieNotification.h"
|
|
#include "nsIObserverService.h"
|
|
|
|
namespace mozilla::dom {
|
|
|
|
NS_IMPL_ISUPPORTS(CookieStoreNotificationWatcher, nsIObserver,
|
|
nsISupportsWeakReference)
|
|
|
|
// static
|
|
already_AddRefed<CookieStoreNotificationWatcher>
|
|
CookieStoreNotificationWatcher::Create(bool aPrivateBrowsing) {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
|
|
RefPtr<CookieStoreNotificationWatcher> watcher =
|
|
new CookieStoreNotificationWatcher();
|
|
|
|
nsCOMPtr<nsIObserverService> os = mozilla::services::GetObserverService();
|
|
if (NS_WARN_IF(!os)) {
|
|
return nullptr;
|
|
}
|
|
|
|
nsresult rv = os->AddObserver(
|
|
watcher, aPrivateBrowsing ? "private-cookie-changed" : "cookie-changed",
|
|
true);
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
return nullptr;
|
|
}
|
|
|
|
return watcher.forget();
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
CookieStoreNotificationWatcher::Observe(nsISupports* aSubject,
|
|
const char* aTopic,
|
|
const char16_t* aData) {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
|
|
nsCOMPtr<nsICookieNotification> notification = do_QueryInterface(aSubject);
|
|
NS_ENSURE_TRUE(notification, NS_ERROR_FAILURE);
|
|
|
|
nsID* operationID = nullptr;
|
|
nsresult rv = notification->GetOperationID(&operationID);
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
return NS_OK;
|
|
}
|
|
|
|
if (!operationID) {
|
|
return NS_OK;
|
|
}
|
|
|
|
for (uint32_t i = 0; i < mPendingOperations.Length(); ++i) {
|
|
PendingOperation& pendingOperation = mPendingOperations[i];
|
|
if (pendingOperation.mOperationID.Equals(*operationID)) {
|
|
pendingOperation.mCallback();
|
|
mPendingOperations.RemoveElementAt(i);
|
|
break;
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
void CookieStoreNotificationWatcher::CallbackWhenNotified(
|
|
const nsID& aOperationID, MoveOnlyFunction<void()> aCallback) {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
|
|
mPendingOperations.AppendElement(
|
|
PendingOperation{std::move(aCallback), aOperationID});
|
|
}
|
|
|
|
void CookieStoreNotificationWatcher::ForgetOperationID(
|
|
const nsID& aOperationID) {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
|
|
for (uint32_t i = 0; i < mPendingOperations.Length(); ++i) {
|
|
PendingOperation& pendingOperation = mPendingOperations[i];
|
|
if (pendingOperation.mOperationID.Equals(aOperationID)) {
|
|
mPendingOperations.RemoveElementAt(i);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
// static
|
|
void CookieStoreNotificationWatcher::ReleaseOnMainThread(
|
|
already_AddRefed<CookieStoreNotificationWatcher> aWatcher) {
|
|
RefPtr<CookieStoreNotificationWatcher> watcher(aWatcher);
|
|
|
|
if (!watcher || NS_IsMainThread()) {
|
|
return;
|
|
}
|
|
|
|
class ReleaseWatcher final : public Runnable {
|
|
public:
|
|
explicit ReleaseWatcher(
|
|
already_AddRefed<CookieStoreNotificationWatcher> aWatcher)
|
|
: Runnable("ReleaseWatcher"), mDoomed(std::move(aWatcher)) {}
|
|
|
|
NS_IMETHOD Run() override {
|
|
mDoomed = nullptr;
|
|
return NS_OK;
|
|
}
|
|
|
|
private:
|
|
~ReleaseWatcher() {
|
|
// If we still have to release the watcher, better to leak it.
|
|
if (mDoomed) {
|
|
Unused << mDoomed.forget().take();
|
|
}
|
|
}
|
|
|
|
RefPtr<CookieStoreNotificationWatcher> mDoomed;
|
|
};
|
|
|
|
RefPtr<ReleaseWatcher> runnable(new ReleaseWatcher(watcher.forget()));
|
|
NS_DispatchToMainThread(runnable);
|
|
}
|
|
|
|
} // namespace mozilla::dom
|