Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 236 insertions, 0 deletions

diff --git a/dom/cache/CacheOpChild.cpp b/dom/cache/CacheOpChild.cpp
new file mode 100644
index 0000000000..b0c5c78bfc
--- /dev/null
+++ b/dom/cache/CacheOpChild.cpp
@@ -0,0 +1,236 @@
+/* -*- 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 "mozilla/dom/cache/CacheOpChild.h"
+
+#include "mozilla/dom/Promise.h"
+#include "mozilla/dom/Request.h"
+#include "mozilla/dom/Response.h"
+#include "mozilla/dom/cache/Cache.h"
+#include "mozilla/dom/cache/CacheChild.h"
+#include "mozilla/dom/cache/CacheStreamControlChild.h"
+#include "mozilla/dom/cache/CacheWorkerRef.h"
+
+namespace mozilla::dom {
+// XXX Move this to ToJSValue.h
+template <typename T>
+[[nodiscard]] bool ToJSValue(JSContext* aCx, const SafeRefPtr<T>& aArgument,
+                             JS::MutableHandle<JS::Value> aValue) {
+  return ToJSValue(aCx, *aArgument.unsafeGetRawPtr(), aValue);
+}
+
+namespace cache {
+
+using mozilla::ipc::PBackgroundChild;
+
+namespace {
+
+void AddWorkerRefToStreamChild(const CacheReadStream& aReadStream,
+                               const SafeRefPtr<CacheWorkerRef>& aWorkerRef) {
+  MOZ_ASSERT_IF(!NS_IsMainThread(), aWorkerRef);
+  CacheStreamControlChild* cacheControl =
+      static_cast<CacheStreamControlChild*>(aReadStream.control().AsChild());
+  if (cacheControl) {
+    cacheControl->SetWorkerRef(aWorkerRef.clonePtr());
+  }
+}
+
+void AddWorkerRefToStreamChild(const CacheResponse& aResponse,
+                               const SafeRefPtr<CacheWorkerRef>& aWorkerRef) {
+  MOZ_ASSERT_IF(!NS_IsMainThread(), aWorkerRef);
+
+  if (aResponse.body().isNothing()) {
+    return;
+  }
+
+  AddWorkerRefToStreamChild(aResponse.body().ref(), aWorkerRef);
+}
+
+void AddWorkerRefToStreamChild(const CacheRequest& aRequest,
+                               const SafeRefPtr<CacheWorkerRef>& aWorkerRef) {
+  MOZ_ASSERT_IF(!NS_IsMainThread(), aWorkerRef);
+
+  if (aRequest.body().isNothing()) {
+    return;
+  }
+
+  AddWorkerRefToStreamChild(aRequest.body().ref(), aWorkerRef);
+}
+
+}  // namespace
+
+CacheOpChild::CacheOpChild(SafeRefPtr<CacheWorkerRef> aWorkerRef,
+                           nsIGlobalObject* aGlobal, nsISupports* aParent,
+                           Promise* aPromise, ActorChild* aParentActor)
+    : mGlobal(aGlobal),
+      mParent(aParent),
+      mPromise(aPromise),
+      mParentActor(aParentActor) {
+  MOZ_DIAGNOSTIC_ASSERT(mGlobal);
+  MOZ_DIAGNOSTIC_ASSERT(mParent);
+  MOZ_DIAGNOSTIC_ASSERT(mPromise);
+
+  MOZ_ASSERT_IF(!NS_IsMainThread(), aWorkerRef);
+
+  SetWorkerRef(CacheWorkerRef::PreferBehavior(
+      std::move(aWorkerRef), CacheWorkerRef::eStrongWorkerRef));
+}
+
+CacheOpChild::~CacheOpChild() {
+  NS_ASSERT_OWNINGTHREAD(CacheOpChild);
+  MOZ_DIAGNOSTIC_ASSERT(!mPromise);
+}
+
+void CacheOpChild::ActorDestroy(ActorDestroyReason aReason) {
+  NS_ASSERT_OWNINGTHREAD(CacheOpChild);
+
+  // If the actor was terminated for some unknown reason, then indicate the
+  // operation is dead.
+  if (mPromise) {
+    mPromise->MaybeReject(NS_ERROR_FAILURE);
+    mPromise = nullptr;
+  }
+  mParentActor->NoteDeletedActor();
+  RemoveWorkerRef();
+}
+
+mozilla::ipc::IPCResult CacheOpChild::Recv__delete__(
+    ErrorResult&& aRv, const CacheOpResult& aResult) {
+  NS_ASSERT_OWNINGTHREAD(CacheOpChild);
+
+  if (NS_WARN_IF(aRv.Failed())) {
+    MOZ_DIAGNOSTIC_ASSERT(aResult.type() == CacheOpResult::Tvoid_t);
+    mPromise->MaybeReject(std::move(aRv));
+    mPromise = nullptr;
+    return IPC_OK();
+  }
+
+  switch (aResult.type()) {
+    case CacheOpResult::TCacheMatchResult: {
+      HandleResponse(aResult.get_CacheMatchResult().maybeResponse());
+      break;
+    }
+    case CacheOpResult::TCacheMatchAllResult: {
+      HandleResponseList(aResult.get_CacheMatchAllResult().responseList());
+      break;
+    }
+    case CacheOpResult::TCachePutAllResult: {
+      mPromise->MaybeResolveWithUndefined();
+      break;
+    }
+    case CacheOpResult::TCacheDeleteResult: {
+      mPromise->MaybeResolve(aResult.get_CacheDeleteResult().success());
+      break;
+    }
+    case CacheOpResult::TCacheKeysResult: {
+      HandleRequestList(aResult.get_CacheKeysResult().requestList());
+      break;
+    }
+    case CacheOpResult::TStorageMatchResult: {
+      HandleResponse(aResult.get_StorageMatchResult().maybeResponse());
+      break;
+    }
+    case CacheOpResult::TStorageHasResult: {
+      mPromise->MaybeResolve(aResult.get_StorageHasResult().success());
+      break;
+    }
+    case CacheOpResult::TStorageOpenResult: {
+      auto result = aResult.get_StorageOpenResult();
+      auto actor = static_cast<CacheChild*>(result.actor().AsChild());
+
+      // If we have a success status then we should have an actor.  Gracefully
+      // reject instead of crashing, though, if we get a nullptr here.
+      MOZ_DIAGNOSTIC_ASSERT(actor);
+      if (!actor) {
+        mPromise->MaybeRejectWithTypeError(
+            "CacheStorage.open() failed to access the storage system.");
+        break;
+      }
+
+      actor->SetWorkerRef(CacheWorkerRef::PreferBehavior(
+          GetWorkerRefPtr().clonePtr(), CacheWorkerRef::eIPCWorkerRef));
+      RefPtr<Cache> cache = new Cache(mGlobal, actor, result.ns());
+      mPromise->MaybeResolve(cache);
+      break;
+    }
+    case CacheOpResult::TStorageDeleteResult: {
+      mPromise->MaybeResolve(aResult.get_StorageDeleteResult().success());
+      break;
+    }
+    case CacheOpResult::TStorageKeysResult: {
+      mPromise->MaybeResolve(aResult.get_StorageKeysResult().keyList());
+      break;
+    }
+    default:
+      MOZ_CRASH("Unknown Cache op result type!");
+  }
+
+  mPromise = nullptr;
+
+  return IPC_OK();
+}
+
+void CacheOpChild::StartDestroy() {
+  NS_ASSERT_OWNINGTHREAD(CacheOpChild);
+
+  // Do not cancel on-going operations when WorkerRef calls this.  Instead,
+  // keep the Worker alive until we are done.
+}
+
+nsIGlobalObject* CacheOpChild::GetGlobalObject() const { return mGlobal; }
+
+#ifdef DEBUG
+void CacheOpChild::AssertOwningThread() const {
+  NS_ASSERT_OWNINGTHREAD(CacheOpChild);
+}
+#endif
+
+PBackgroundChild* CacheOpChild::GetIPCManager() {
+  MOZ_CRASH("CacheOpChild does not implement TypeUtils::GetIPCManager()");
+}
+
+void CacheOpChild::HandleResponse(const Maybe<CacheResponse>& aMaybeResponse) {
+  if (aMaybeResponse.isNothing()) {
+    mPromise->MaybeResolveWithUndefined();
+    return;
+  }
+
+  const CacheResponse& cacheResponse = aMaybeResponse.ref();
+
+  AddWorkerRefToStreamChild(cacheResponse, GetWorkerRefPtr());
+  RefPtr<Response> response = ToResponse(cacheResponse);
+
+  mPromise->MaybeResolve(response);
+}
+
+void CacheOpChild::HandleResponseList(
+    const nsTArray<CacheResponse>& aResponseList) {
+  AutoTArray<RefPtr<Response>, 256> responses;
+  responses.SetCapacity(aResponseList.Length());
+
+  for (uint32_t i = 0; i < aResponseList.Length(); ++i) {
+    AddWorkerRefToStreamChild(aResponseList[i], GetWorkerRefPtr());
+    responses.AppendElement(ToResponse(aResponseList[i]));
+  }
+
+  mPromise->MaybeResolve(responses);
+}
+
+void CacheOpChild::HandleRequestList(
+    const nsTArray<CacheRequest>& aRequestList) {
+  AutoTArray<SafeRefPtr<Request>, 256> requests;
+  requests.SetCapacity(aRequestList.Length());
+
+  for (uint32_t i = 0; i < aRequestList.Length(); ++i) {
+    AddWorkerRefToStreamChild(aRequestList[i], GetWorkerRefPtr());
+    requests.AppendElement(ToRequest(aRequestList[i]));
+  }
+
+  mPromise->MaybeResolve(requests);
+}
+
+}  // namespace cache
+}  // namespace mozilla::dom