1 files changed, 78 insertions, 0 deletions
diff --git a/dom/cache/CacheStorageChild.h b/dom/cache/CacheStorageChild.h
new file mode 100644
index 0000000000..3e653b7812
--- /dev/null
+++ b/dom/cache/CacheStorageChild.h
@@ -0,0 +1,78 @@
+/* -*- 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/. */
+
+#ifndef mozilla_dom_cache_CacheStorageChild_h
+#define mozilla_dom_cache_CacheStorageChild_h
+
+#include "mozilla/dom/cache/ActorChild.h"
+#include "mozilla/dom/cache/Types.h"
+#include "mozilla/dom/cache/PCacheStorageChild.h"
+
+class nsIGlobalObject;
+
+namespace mozilla::dom {
+
+class Promise;
+
+namespace cache {
+
+class CacheOpArgs;
+class CacheStorage;
+class CacheWorkerRef;
+class PCacheChild;
+
+class CacheStorageChild final : public PCacheStorageChild, public ActorChild {
+  friend class PCacheStorageChild;
+
+ public:
+  CacheStorageChild(CacheStorage* aListener,
+                    SafeRefPtr<CacheWorkerRef> aWorkerRef);
+
+  // Must be called by the associated CacheStorage listener in its
+  // DestroyInternal() method.  Also, CacheStorage must call
+  // SendDestroyFromListener() on the actor in its destructor to trigger
+  // ActorDestroy() if it has not been called yet.
+  void ClearListener();
+
+  void ExecuteOp(nsIGlobalObject* aGlobal, Promise* aPromise,
+                 nsISupports* aParent, const CacheOpArgs& aArgs);
+
+  // Our parent Listener object has gone out of scope and is being destroyed.
+  void StartDestroyFromListener();
+
+  NS_INLINE_DECL_REFCOUNTING(CacheStorageChild, override)
+  void NoteDeletedActor() override;
+
+ private:
+  ~CacheStorageChild();
+
+  void DestroyInternal();
+
+  // ActorChild methods
+  // CacheWorkerRef is trying to destroy due to worker shutdown.
+  virtual void StartDestroy() override;
+
+  // PCacheStorageChild methods
+  virtual void ActorDestroy(ActorDestroyReason aReason) override;
+
+  PCacheOpChild* AllocPCacheOpChild(const CacheOpArgs& aOpArgs);
+
+  bool DeallocPCacheOpChild(PCacheOpChild* aActor);
+
+  // utility methods
+  inline uint32_t NumChildActors() { return ManagedPCacheOpChild().Count(); }
+
+  // Use a weak ref so actor does not hold DOM object alive past content use.
+  // The CacheStorage object must call ClearListener() to null this before its
+  // destroyed.
+  CacheStorage* MOZ_NON_OWNING_REF mListener;
+  bool mDelayedDestroy;
+};
+
+}  // namespace cache
+}  // namespace mozilla::dom
+
+#endif  // mozilla_dom_cache_CacheStorageChild_h