Sylvestre Ledru
9eb1a31a98
replaced by .editorconfig # ignore-this-changeset Differential Revision: https://phabricator.services.mozilla.com/D287843
88 lines
2.6 KiB
C++
88 lines
2.6 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "BoundStorageKeyChild.h"
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#include "mozilla/dom/cache/CacheChild.h"
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#include "mozilla/dom/cache/CacheOpChild.h"
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#include "mozilla/dom/cache/CacheStorage.h"
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#include "mozilla/dom/cache/CacheWorkerRef.h"
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#include "mozilla/dom/cache/PCacheStorageChild.h"
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namespace mozilla::dom::cache {
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BoundStorageKeyChild::BoundStorageKeyChild(
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BoundStorageKeyChildListener* aListener)
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: mListener(aListener), mDelayedDestroy(false) {
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MOZ_COUNT_CTOR(BoundStorageKeyChild);
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MOZ_DIAGNOSTIC_ASSERT(mListener);
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}
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BoundStorageKeyChild::~BoundStorageKeyChild() {
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MOZ_COUNT_DTOR(BoundStorageKeyChild);
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NS_ASSERT_OWNINGTHREAD(BoundStorageKeyChild);
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MOZ_DIAGNOSTIC_ASSERT(!mListener);
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}
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void BoundStorageKeyChild::ClearListener() {
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NS_ASSERT_OWNINGTHREAD(BoundStorageKeyChild);
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MOZ_DIAGNOSTIC_ASSERT(mListener);
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mListener = nullptr;
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}
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void BoundStorageKeyChild::StartDestroyFromListener() {
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NS_ASSERT_OWNINGTHREAD(BoundStorageKeyChild);
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StartDestroy();
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}
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void BoundStorageKeyChild::DestroyInternal() {
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BoundStorageKeyChildListener* listener = mListener;
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// Theoretically we can get double called if the right race happens. Handle
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// that by just ignoring the second StartDestroy() call.
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if (!listener) {
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return;
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}
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listener->OnActorDestroy(this);
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// listener should call ClearListener() in OnActorDestroy()
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MOZ_DIAGNOSTIC_ASSERT(!mListener);
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}
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void BoundStorageKeyChild::StartDestroy() {
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// StartDestroy() can get called from either child actor or the
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// CacheWorkerRef.
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NS_ASSERT_OWNINGTHREAD(BoundStorageKeyChild);
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if (NumChildActors() != 0) {
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mDelayedDestroy = true;
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return;
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}
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DestroyInternal();
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}
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void BoundStorageKeyChild::NoteDeletedActor() {
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// Check to see if DestroyInternal was delayed because of active CacheOpChilds
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// when StartDestroy was called from WorkerRef notification. If the last
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// CacheOpChild is getting destructed; it's the time for us to SendTearDown to
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// the other side.
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if (mDelayedDestroy && NumChildActors() == 0) {
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DestroyInternal();
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}
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}
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void BoundStorageKeyChild::ActorDestroy(ActorDestroyReason aReason) {
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NS_ASSERT_OWNINGTHREAD(BoundStorageKeyChild);
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BoundStorageKeyChildListener* listener = mListener;
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if (listener) {
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listener->OnActorDestroy(this);
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// listener should call ClearListener() in OnActorDestroy()
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MOZ_DIAGNOSTIC_ASSERT(!mListener);
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}
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}
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} // namespace mozilla::dom::cache
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