mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-10-29 21:25:35 +00:00
aac2306f2c
--HG-- rename : dom/cache/Feature.cpp => dom/cache/CacheWorkerHolder.cpp rename : dom/cache/Feature.h => dom/cache/CacheWorkerHolder.h rename : dom/workers/WorkerFeature.h => dom/workers/WorkerHolder.h
660 lines
17 KiB
C++
660 lines
17 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* 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 "mozilla/dom/cache/Cache.h"
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#include "mozilla/dom/Headers.h"
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#include "mozilla/dom/InternalResponse.h"
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#include "mozilla/dom/Promise.h"
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#include "mozilla/dom/PromiseNativeHandler.h"
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#include "mozilla/dom/Response.h"
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#include "mozilla/dom/WorkerPrivate.h"
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#include "mozilla/dom/CacheBinding.h"
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#include "mozilla/dom/cache/AutoUtils.h"
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#include "mozilla/dom/cache/CacheChild.h"
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#include "mozilla/dom/cache/CacheWorkerHolder.h"
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#include "mozilla/dom/cache/ReadStream.h"
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#include "mozilla/ErrorResult.h"
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#include "mozilla/Preferences.h"
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#include "mozilla/unused.h"
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#include "nsIGlobalObject.h"
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namespace mozilla {
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namespace dom {
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namespace cache {
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using mozilla::dom::workers::GetCurrentThreadWorkerPrivate;
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using mozilla::dom::workers::WorkerPrivate;
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using mozilla::ipc::PBackgroundChild;
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namespace {
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bool
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IsValidPutRequestURL(const nsAString& aUrl, ErrorResult& aRv)
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{
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bool validScheme = false;
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// make a copy because ProcessURL strips the fragmet
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NS_ConvertUTF16toUTF8 url(aUrl);
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TypeUtils::ProcessURL(url, &validScheme, nullptr, nullptr, aRv);
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if (aRv.Failed()) {
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return false;
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}
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if (!validScheme) {
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aRv.ThrowTypeError<MSG_INVALID_URL_SCHEME>(NS_LITERAL_STRING("Request"),
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aUrl);
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return false;
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}
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return true;
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}
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static bool
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IsValidPutRequestMethod(const Request& aRequest, ErrorResult& aRv)
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{
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nsAutoCString method;
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aRequest.GetMethod(method);
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if (!method.LowerCaseEqualsLiteral("get")) {
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NS_ConvertASCIItoUTF16 label(method);
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aRv.ThrowTypeError<MSG_INVALID_REQUEST_METHOD>(label);
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return false;
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}
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return true;
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}
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static bool
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IsValidPutRequestMethod(const RequestOrUSVString& aRequest, ErrorResult& aRv)
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{
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// If the provided request is a string URL, then it will default to
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// a valid http method automatically.
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if (!aRequest.IsRequest()) {
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return true;
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}
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return IsValidPutRequestMethod(aRequest.GetAsRequest(), aRv);
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}
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} // namespace
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// Helper class to wait for Add()/AddAll() fetch requests to complete and
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// then perform a PutAll() with the responses. This class holds a WorkerHolder
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// to keep the Worker thread alive. This is mainly to ensure that Add/AddAll
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// act the same as other Cache operations that directly create a CacheOpChild
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// actor.
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class Cache::FetchHandler final : public PromiseNativeHandler
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{
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public:
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FetchHandler(CacheWorkerHolder* aWorkerHolder, Cache* aCache,
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nsTArray<RefPtr<Request>>&& aRequestList, Promise* aPromise)
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: mWorkerHolder(aWorkerHolder)
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, mCache(aCache)
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, mRequestList(Move(aRequestList))
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, mPromise(aPromise)
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{
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MOZ_ASSERT_IF(!NS_IsMainThread(), mWorkerHolder);
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MOZ_ASSERT(mCache);
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MOZ_ASSERT(mPromise);
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}
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virtual void
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ResolvedCallback(JSContext* aCx, JS::Handle<JS::Value> aValue) override
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{
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NS_ASSERT_OWNINGTHREAD(FetchHandler);
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// Stop holding the worker alive when we leave this method.
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RefPtr<CacheWorkerHolder> workerHolder;
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workerHolder.swap(mWorkerHolder);
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// Promise::All() passed an array of fetch() Promises should give us
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// an Array of Response objects. The following code unwraps these
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// JS values back to an nsTArray<RefPtr<Response>>.
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AutoTArray<RefPtr<Response>, 256> responseList;
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responseList.SetCapacity(mRequestList.Length());
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bool isArray;
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if (NS_WARN_IF(!JS_IsArrayObject(aCx, aValue, &isArray) || !isArray)) {
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Fail();
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return;
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}
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JS::Rooted<JSObject*> obj(aCx, &aValue.toObject());
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uint32_t length;
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if (NS_WARN_IF(!JS_GetArrayLength(aCx, obj, &length))) {
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Fail();
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return;
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}
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for (uint32_t i = 0; i < length; ++i) {
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JS::Rooted<JS::Value> value(aCx);
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if (NS_WARN_IF(!JS_GetElement(aCx, obj, i, &value))) {
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Fail();
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return;
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}
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if (NS_WARN_IF(!value.isObject())) {
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Fail();
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return;
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}
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JS::Rooted<JSObject*> responseObj(aCx, &value.toObject());
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RefPtr<Response> response;
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nsresult rv = UNWRAP_OBJECT(Response, responseObj, response);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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Fail();
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return;
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}
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if (NS_WARN_IF(response->Type() == ResponseType::Error)) {
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Fail();
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return;
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}
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// Do not allow the convenience methods .add()/.addAll() to store failed
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// responses. A consequence of this is that these methods cannot be
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// used to store opaque or opaqueredirect responses since they always
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// expose a 0 status value.
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if (!response->Ok()) {
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uint32_t t = static_cast<uint32_t>(response->Type());
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NS_ConvertASCIItoUTF16 type(ResponseTypeValues::strings[t].value,
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ResponseTypeValues::strings[t].length);
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nsAutoString status;
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status.AppendInt(response->Status());
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nsAutoString url;
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mRequestList[i]->GetUrl(url);
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ErrorResult rv;
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rv.ThrowTypeError<MSG_CACHE_ADD_FAILED_RESPONSE>(type, status, url);
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// TODO: abort the fetch requests we have running (bug 1157434)
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mPromise->MaybeReject(rv);
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return;
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}
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responseList.AppendElement(Move(response));
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}
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MOZ_ASSERT(mRequestList.Length() == responseList.Length());
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// Now store the unwrapped Response list in the Cache.
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ErrorResult result;
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RefPtr<Promise> put = mCache->PutAll(mRequestList, responseList, result);
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if (NS_WARN_IF(result.Failed())) {
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// TODO: abort the fetch requests we have running (bug 1157434)
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mPromise->MaybeReject(result);
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return;
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}
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// Chain the Cache::Put() promise to the original promise returned to
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// the content script.
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mPromise->MaybeResolve(put);
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}
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virtual void
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RejectedCallback(JSContext* aCx, JS::Handle<JS::Value> aValue) override
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{
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NS_ASSERT_OWNINGTHREAD(FetchHandler);
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Fail();
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}
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private:
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~FetchHandler()
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{
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}
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void
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Fail()
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{
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ErrorResult rv;
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rv.ThrowTypeError<MSG_FETCH_FAILED>();
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mPromise->MaybeReject(rv);
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}
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RefPtr<CacheWorkerHolder> mWorkerHolder;
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RefPtr<Cache> mCache;
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nsTArray<RefPtr<Request>> mRequestList;
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RefPtr<Promise> mPromise;
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NS_DECL_ISUPPORTS
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};
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NS_IMPL_ISUPPORTS0(Cache::FetchHandler)
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NS_IMPL_CYCLE_COLLECTING_ADDREF(mozilla::dom::cache::Cache);
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NS_IMPL_CYCLE_COLLECTING_RELEASE(mozilla::dom::cache::Cache);
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NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(mozilla::dom::cache::Cache, mGlobal);
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(Cache)
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NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
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NS_INTERFACE_MAP_ENTRY(nsISupports)
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NS_INTERFACE_MAP_END
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Cache::Cache(nsIGlobalObject* aGlobal, CacheChild* aActor)
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: mGlobal(aGlobal)
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, mActor(aActor)
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{
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MOZ_ASSERT(mGlobal);
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MOZ_ASSERT(mActor);
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mActor->SetListener(this);
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}
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already_AddRefed<Promise>
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Cache::Match(const RequestOrUSVString& aRequest,
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const CacheQueryOptions& aOptions, ErrorResult& aRv)
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{
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if (NS_WARN_IF(!mActor)) {
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aRv.Throw(NS_ERROR_UNEXPECTED);
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return nullptr;
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}
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CacheChild::AutoLock actorLock(mActor);
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RefPtr<InternalRequest> ir = ToInternalRequest(aRequest, IgnoreBody, aRv);
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if (NS_WARN_IF(aRv.Failed())) {
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return nullptr;
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}
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CacheQueryParams params;
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ToCacheQueryParams(params, aOptions);
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AutoChildOpArgs args(this, CacheMatchArgs(CacheRequest(), params), 1);
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args.Add(ir, IgnoreBody, IgnoreInvalidScheme, aRv);
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if (NS_WARN_IF(aRv.Failed())) {
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return nullptr;
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}
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return ExecuteOp(args, aRv);
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}
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already_AddRefed<Promise>
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Cache::MatchAll(const Optional<RequestOrUSVString>& aRequest,
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const CacheQueryOptions& aOptions, ErrorResult& aRv)
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{
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if (NS_WARN_IF(!mActor)) {
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aRv.Throw(NS_ERROR_UNEXPECTED);
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return nullptr;
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}
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CacheChild::AutoLock actorLock(mActor);
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CacheQueryParams params;
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ToCacheQueryParams(params, aOptions);
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AutoChildOpArgs args(this, CacheMatchAllArgs(void_t(), params), 1);
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if (aRequest.WasPassed()) {
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RefPtr<InternalRequest> ir = ToInternalRequest(aRequest.Value(),
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IgnoreBody, aRv);
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if (aRv.Failed()) {
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return nullptr;
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}
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args.Add(ir, IgnoreBody, IgnoreInvalidScheme, aRv);
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if (aRv.Failed()) {
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return nullptr;
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}
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}
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return ExecuteOp(args, aRv);
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}
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already_AddRefed<Promise>
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Cache::Add(JSContext* aContext, const RequestOrUSVString& aRequest,
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ErrorResult& aRv)
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{
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if (NS_WARN_IF(!mActor)) {
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aRv.Throw(NS_ERROR_UNEXPECTED);
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return nullptr;
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}
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CacheChild::AutoLock actorLock(mActor);
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if (!IsValidPutRequestMethod(aRequest, aRv)) {
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return nullptr;
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}
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GlobalObject global(aContext, mGlobal->GetGlobalJSObject());
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MOZ_ASSERT(!global.Failed());
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nsTArray<RefPtr<Request>> requestList(1);
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RefPtr<Request> request = Request::Constructor(global, aRequest,
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RequestInit(), aRv);
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if (NS_WARN_IF(aRv.Failed())) {
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return nullptr;
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}
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nsAutoString url;
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request->GetUrl(url);
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if (NS_WARN_IF(!IsValidPutRequestURL(url, aRv))) {
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return nullptr;
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}
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requestList.AppendElement(Move(request));
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return AddAll(global, Move(requestList), aRv);
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}
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already_AddRefed<Promise>
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Cache::AddAll(JSContext* aContext,
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const Sequence<OwningRequestOrUSVString>& aRequestList,
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ErrorResult& aRv)
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{
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if (NS_WARN_IF(!mActor)) {
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aRv.Throw(NS_ERROR_UNEXPECTED);
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return nullptr;
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}
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CacheChild::AutoLock actorLock(mActor);
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GlobalObject global(aContext, mGlobal->GetGlobalJSObject());
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MOZ_ASSERT(!global.Failed());
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nsTArray<RefPtr<Request>> requestList(aRequestList.Length());
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for (uint32_t i = 0; i < aRequestList.Length(); ++i) {
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RequestOrUSVString requestOrString;
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if (aRequestList[i].IsRequest()) {
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requestOrString.SetAsRequest() = aRequestList[i].GetAsRequest();
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if (NS_WARN_IF(!IsValidPutRequestMethod(requestOrString.GetAsRequest(),
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aRv))) {
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return nullptr;
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}
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} else {
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requestOrString.SetAsUSVString().Rebind(
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aRequestList[i].GetAsUSVString().Data(),
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aRequestList[i].GetAsUSVString().Length());
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}
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RefPtr<Request> request = Request::Constructor(global, requestOrString,
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RequestInit(), aRv);
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if (NS_WARN_IF(aRv.Failed())) {
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return nullptr;
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}
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nsAutoString url;
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request->GetUrl(url);
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if (NS_WARN_IF(!IsValidPutRequestURL(url, aRv))) {
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return nullptr;
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}
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requestList.AppendElement(Move(request));
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}
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return AddAll(global, Move(requestList), aRv);
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}
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already_AddRefed<Promise>
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Cache::Put(const RequestOrUSVString& aRequest, Response& aResponse,
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ErrorResult& aRv)
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{
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if (NS_WARN_IF(!mActor)) {
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aRv.Throw(NS_ERROR_UNEXPECTED);
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return nullptr;
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}
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CacheChild::AutoLock actorLock(mActor);
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if (NS_WARN_IF(!IsValidPutRequestMethod(aRequest, aRv))) {
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return nullptr;
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}
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RefPtr<InternalRequest> ir = ToInternalRequest(aRequest, ReadBody, aRv);
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if (NS_WARN_IF(aRv.Failed())) {
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return nullptr;
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}
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AutoChildOpArgs args(this, CachePutAllArgs(), 1);
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args.Add(ir, ReadBody, TypeErrorOnInvalidScheme,
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aResponse, aRv);
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if (NS_WARN_IF(aRv.Failed())) {
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return nullptr;
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}
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return ExecuteOp(args, aRv);
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}
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already_AddRefed<Promise>
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Cache::Delete(const RequestOrUSVString& aRequest,
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const CacheQueryOptions& aOptions, ErrorResult& aRv)
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{
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if (NS_WARN_IF(!mActor)) {
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aRv.Throw(NS_ERROR_UNEXPECTED);
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return nullptr;
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}
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CacheChild::AutoLock actorLock(mActor);
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RefPtr<InternalRequest> ir = ToInternalRequest(aRequest, IgnoreBody, aRv);
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if (NS_WARN_IF(aRv.Failed())) {
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return nullptr;
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}
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CacheQueryParams params;
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ToCacheQueryParams(params, aOptions);
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AutoChildOpArgs args(this, CacheDeleteArgs(CacheRequest(), params), 1);
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args.Add(ir, IgnoreBody, IgnoreInvalidScheme, aRv);
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if (NS_WARN_IF(aRv.Failed())) {
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return nullptr;
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}
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return ExecuteOp(args, aRv);
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}
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already_AddRefed<Promise>
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Cache::Keys(const Optional<RequestOrUSVString>& aRequest,
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const CacheQueryOptions& aOptions, ErrorResult& aRv)
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{
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if (NS_WARN_IF(!mActor)) {
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aRv.Throw(NS_ERROR_UNEXPECTED);
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return nullptr;
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}
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CacheChild::AutoLock actorLock(mActor);
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CacheQueryParams params;
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ToCacheQueryParams(params, aOptions);
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AutoChildOpArgs args(this, CacheKeysArgs(void_t(), params), 1);
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if (aRequest.WasPassed()) {
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RefPtr<InternalRequest> ir = ToInternalRequest(aRequest.Value(),
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IgnoreBody, aRv);
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if (NS_WARN_IF(aRv.Failed())) {
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return nullptr;
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}
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args.Add(ir, IgnoreBody, IgnoreInvalidScheme, aRv);
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if (NS_WARN_IF(aRv.Failed())) {
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return nullptr;
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}
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}
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return ExecuteOp(args, aRv);
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}
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// static
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bool
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Cache::PrefEnabled(JSContext* aCx, JSObject* aObj)
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{
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using mozilla::dom::workers::WorkerPrivate;
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using mozilla::dom::workers::GetWorkerPrivateFromContext;
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// If we're on the main thread, then check the pref directly.
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if (NS_IsMainThread()) {
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bool enabled = false;
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Preferences::GetBool("dom.caches.enabled", &enabled);
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return enabled;
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}
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// Otherwise check the pref via the work private helper
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WorkerPrivate* workerPrivate = GetWorkerPrivateFromContext(aCx);
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if (!workerPrivate) {
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return false;
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}
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return workerPrivate->DOMCachesEnabled();
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}
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nsISupports*
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Cache::GetParentObject() const
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{
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return mGlobal;
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}
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JSObject*
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Cache::WrapObject(JSContext* aContext, JS::Handle<JSObject*> aGivenProto)
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{
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return CacheBinding::Wrap(aContext, this, aGivenProto);
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}
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void
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Cache::DestroyInternal(CacheChild* aActor)
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{
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MOZ_ASSERT(mActor);
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MOZ_ASSERT(mActor == aActor);
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mActor->ClearListener();
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mActor = nullptr;
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}
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nsIGlobalObject*
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Cache::GetGlobalObject() const
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{
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return mGlobal;
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}
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#ifdef DEBUG
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void
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Cache::AssertOwningThread() const
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{
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NS_ASSERT_OWNINGTHREAD(Cache);
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}
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#endif
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PBackgroundChild*
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Cache::GetIPCManager()
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{
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NS_ASSERT_OWNINGTHREAD(Cache);
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MOZ_ASSERT(mActor);
|
|
return mActor->Manager();
|
|
}
|
|
|
|
Cache::~Cache()
|
|
{
|
|
NS_ASSERT_OWNINGTHREAD(Cache);
|
|
if (mActor) {
|
|
mActor->StartDestroyFromListener();
|
|
// DestroyInternal() is called synchronously by StartDestroyFromListener().
|
|
// So we should have already cleared the mActor.
|
|
MOZ_ASSERT(!mActor);
|
|
}
|
|
}
|
|
|
|
already_AddRefed<Promise>
|
|
Cache::ExecuteOp(AutoChildOpArgs& aOpArgs, ErrorResult& aRv)
|
|
{
|
|
MOZ_ASSERT(mActor);
|
|
|
|
RefPtr<Promise> promise = Promise::Create(mGlobal, aRv);
|
|
if (NS_WARN_IF(!promise)) {
|
|
return nullptr;
|
|
}
|
|
|
|
mActor->ExecuteOp(mGlobal, promise, this, aOpArgs.SendAsOpArgs());
|
|
return promise.forget();
|
|
}
|
|
|
|
already_AddRefed<Promise>
|
|
Cache::AddAll(const GlobalObject& aGlobal,
|
|
nsTArray<RefPtr<Request>>&& aRequestList, ErrorResult& aRv)
|
|
{
|
|
MOZ_ASSERT(mActor);
|
|
|
|
// If there is no work to do, then resolve immediately
|
|
if (aRequestList.IsEmpty()) {
|
|
RefPtr<Promise> promise = Promise::Create(mGlobal, aRv);
|
|
if (NS_WARN_IF(!promise)) {
|
|
return nullptr;
|
|
}
|
|
|
|
promise->MaybeResolve(JS::UndefinedHandleValue);
|
|
return promise.forget();
|
|
}
|
|
|
|
AutoTArray<RefPtr<Promise>, 256> fetchList;
|
|
fetchList.SetCapacity(aRequestList.Length());
|
|
|
|
// Begin fetching each request in parallel. For now, if an error occurs just
|
|
// abandon our previous fetch calls. In theory we could cancel them in the
|
|
// future once fetch supports it.
|
|
|
|
for (uint32_t i = 0; i < aRequestList.Length(); ++i) {
|
|
RequestOrUSVString requestOrString;
|
|
requestOrString.SetAsRequest() = aRequestList[i];
|
|
RefPtr<Promise> fetch = FetchRequest(mGlobal, requestOrString,
|
|
RequestInit(), aRv);
|
|
if (NS_WARN_IF(aRv.Failed())) {
|
|
return nullptr;
|
|
}
|
|
|
|
fetchList.AppendElement(Move(fetch));
|
|
}
|
|
|
|
RefPtr<Promise> promise = Promise::Create(mGlobal, aRv);
|
|
if (NS_WARN_IF(aRv.Failed())) {
|
|
return nullptr;
|
|
}
|
|
|
|
RefPtr<FetchHandler> handler =
|
|
new FetchHandler(mActor->GetWorkerHolder(), this,
|
|
Move(aRequestList), promise);
|
|
|
|
RefPtr<Promise> fetchPromise = Promise::All(aGlobal, fetchList, aRv);
|
|
if (NS_WARN_IF(aRv.Failed())) {
|
|
return nullptr;
|
|
}
|
|
fetchPromise->AppendNativeHandler(handler);
|
|
|
|
return promise.forget();
|
|
}
|
|
|
|
already_AddRefed<Promise>
|
|
Cache::PutAll(const nsTArray<RefPtr<Request>>& aRequestList,
|
|
const nsTArray<RefPtr<Response>>& aResponseList,
|
|
ErrorResult& aRv)
|
|
{
|
|
MOZ_ASSERT(aRequestList.Length() == aResponseList.Length());
|
|
|
|
if (NS_WARN_IF(!mActor)) {
|
|
aRv.Throw(NS_ERROR_UNEXPECTED);
|
|
return nullptr;
|
|
}
|
|
|
|
CacheChild::AutoLock actorLock(mActor);
|
|
|
|
AutoChildOpArgs args(this, CachePutAllArgs(), aRequestList.Length());
|
|
|
|
for (uint32_t i = 0; i < aRequestList.Length(); ++i) {
|
|
RefPtr<InternalRequest> ir = aRequestList[i]->GetInternalRequest();
|
|
args.Add(ir, ReadBody, TypeErrorOnInvalidScheme, *aResponseList[i], aRv);
|
|
if (NS_WARN_IF(aRv.Failed())) {
|
|
return nullptr;
|
|
}
|
|
}
|
|
|
|
return ExecuteOp(args, aRv);
|
|
}
|
|
|
|
} // namespace cache
|
|
} // namespace dom
|
|
} // namespace mozilla
|