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https://repo.dactyloidae.xyz/Dactyloidae/UXP.git
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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo
This commit is contained in:
Roy Tam
commit
dcd9973243
150858 changed files with 23884658 additions and 0 deletions
705
dom/fetch/FetchConsumer.cpp
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705
dom/fetch/FetchConsumer.cpp
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/* -*- 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 "Fetch.h"
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#include "FetchConsumer.h"
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#include "nsIInputStreamPump.h"
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#include "nsProxyRelease.h"
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#include "WorkerPrivate.h"
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#include "WorkerRunnable.h"
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#include "WorkerScope.h"
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#include "Workers.h"
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namespace mozilla {
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namespace dom {
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using namespace workers;
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namespace {
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template <class Derived>
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class FetchBodyWorkerHolder final : public workers::WorkerHolder
|
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{
|
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RefPtr<FetchBodyConsumer<Derived>> mConsumer;
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bool mWasNotified;
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|
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public:
|
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explicit FetchBodyWorkerHolder(FetchBodyConsumer<Derived>* aConsumer)
|
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: mConsumer(aConsumer)
|
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, mWasNotified(false)
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{
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MOZ_ASSERT(aConsumer);
|
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}
|
||||
|
||||
~FetchBodyWorkerHolder() = default;
|
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|
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bool Notify(workers::Status aStatus) override
|
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{
|
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MOZ_ASSERT(aStatus > workers::Running);
|
||||
if (!mWasNotified) {
|
||||
mWasNotified = true;
|
||||
mConsumer->ShutDownMainThreadConsuming();
|
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}
|
||||
|
||||
return true;
|
||||
}
|
||||
};
|
||||
|
||||
template <class Derived>
|
||||
class BeginConsumeBodyRunnable final : public Runnable
|
||||
{
|
||||
RefPtr<FetchBodyConsumer<Derived>> mFetchBodyConsumer;
|
||||
|
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public:
|
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explicit BeginConsumeBodyRunnable(FetchBodyConsumer<Derived>* aConsumer)
|
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: mFetchBodyConsumer(aConsumer)
|
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{ }
|
||||
|
||||
NS_IMETHOD
|
||||
Run() override
|
||||
{
|
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mFetchBodyConsumer->BeginConsumeBodyMainThread();
|
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return NS_OK;
|
||||
}
|
||||
};
|
||||
|
||||
/*
|
||||
* Called on successfully reading the complete stream.
|
||||
*/
|
||||
template <class Derived>
|
||||
class ContinueConsumeBodyRunnable final : public MainThreadWorkerRunnable
|
||||
{
|
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RefPtr<FetchBodyConsumer<Derived>> mFetchBodyConsumer;
|
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nsresult mStatus;
|
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uint32_t mLength;
|
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uint8_t* mResult;
|
||||
|
||||
public:
|
||||
ContinueConsumeBodyRunnable(FetchBodyConsumer<Derived>* aFetchBodyConsumer,
|
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nsresult aStatus, uint32_t aLength,
|
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uint8_t* aResult)
|
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: MainThreadWorkerRunnable(aFetchBodyConsumer->GetWorkerPrivate())
|
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, mFetchBodyConsumer(aFetchBodyConsumer)
|
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, mStatus(aStatus)
|
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, mLength(aLength)
|
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, mResult(aResult)
|
||||
{
|
||||
MOZ_ASSERT(NS_IsMainThread());
|
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}
|
||||
|
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bool
|
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WorkerRun(JSContext* aCx, WorkerPrivate* aWorkerPrivate) override
|
||||
{
|
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mFetchBodyConsumer->ContinueConsumeBody(mStatus, mLength, mResult);
|
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return true;
|
||||
}
|
||||
};
|
||||
|
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template <class Derived>
|
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class FailConsumeBodyWorkerRunnable : public MainThreadWorkerControlRunnable
|
||||
{
|
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RefPtr<FetchBodyConsumer<Derived>> mBodyConsumer;
|
||||
|
||||
public:
|
||||
explicit FailConsumeBodyWorkerRunnable(FetchBodyConsumer<Derived>* aBodyConsumer)
|
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: MainThreadWorkerControlRunnable(aBodyConsumer->GetWorkerPrivate())
|
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, mBodyConsumer(aBodyConsumer)
|
||||
{
|
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AssertIsOnMainThread();
|
||||
}
|
||||
|
||||
bool
|
||||
WorkerRun(JSContext* aCx, WorkerPrivate* aWorkerPrivate) override
|
||||
{
|
||||
mBodyConsumer->ContinueConsumeBody(NS_ERROR_FAILURE, 0, nullptr);
|
||||
return true;
|
||||
}
|
||||
};
|
||||
|
||||
/*
|
||||
* In case of failure to create a stream pump or dispatch stream completion to
|
||||
* worker, ensure we cleanup properly. Thread agnostic.
|
||||
*/
|
||||
template <class Derived>
|
||||
class MOZ_STACK_CLASS AutoFailConsumeBody final
|
||||
{
|
||||
RefPtr<FetchBodyConsumer<Derived>> mBodyConsumer;
|
||||
|
||||
public:
|
||||
explicit AutoFailConsumeBody(FetchBodyConsumer<Derived>* aBodyConsumer)
|
||||
: mBodyConsumer(aBodyConsumer)
|
||||
{}
|
||||
|
||||
~AutoFailConsumeBody()
|
||||
{
|
||||
AssertIsOnMainThread();
|
||||
|
||||
if (mBodyConsumer) {
|
||||
if (mBodyConsumer->GetWorkerPrivate()) {
|
||||
RefPtr<FailConsumeBodyWorkerRunnable<Derived>> r =
|
||||
new FailConsumeBodyWorkerRunnable<Derived>(mBodyConsumer);
|
||||
if (!r->Dispatch()) {
|
||||
MOZ_CRASH("We are going to leak");
|
||||
}
|
||||
} else {
|
||||
mBodyConsumer->ContinueConsumeBody(NS_ERROR_FAILURE, 0, nullptr);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
DontFail()
|
||||
{
|
||||
mBodyConsumer = nullptr;
|
||||
}
|
||||
};
|
||||
|
||||
/*
|
||||
* Called on successfully reading the complete stream for Blob.
|
||||
*/
|
||||
template <class Derived>
|
||||
class ContinueConsumeBlobBodyRunnable final : public MainThreadWorkerRunnable
|
||||
{
|
||||
RefPtr<FetchBodyConsumer<Derived>> mFetchBodyConsumer;
|
||||
RefPtr<BlobImpl> mBlobImpl;
|
||||
|
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public:
|
||||
ContinueConsumeBlobBodyRunnable(FetchBodyConsumer<Derived>* aFetchBodyConsumer,
|
||||
BlobImpl* aBlobImpl)
|
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: MainThreadWorkerRunnable(aFetchBodyConsumer->GetWorkerPrivate())
|
||||
, mFetchBodyConsumer(aFetchBodyConsumer)
|
||||
, mBlobImpl(aBlobImpl)
|
||||
{
|
||||
MOZ_ASSERT(NS_IsMainThread());
|
||||
MOZ_ASSERT(mBlobImpl);
|
||||
}
|
||||
|
||||
bool
|
||||
WorkerRun(JSContext* aCx, WorkerPrivate* aWorkerPrivate) override
|
||||
{
|
||||
mFetchBodyConsumer->ContinueConsumeBlobBody(mBlobImpl);
|
||||
return true;
|
||||
}
|
||||
};
|
||||
|
||||
template <class Derived>
|
||||
class ConsumeBodyDoneObserver : public nsIStreamLoaderObserver
|
||||
, public MutableBlobStorageCallback
|
||||
{
|
||||
RefPtr<FetchBodyConsumer<Derived>> mFetchBodyConsumer;
|
||||
|
||||
public:
|
||||
NS_DECL_THREADSAFE_ISUPPORTS
|
||||
|
||||
explicit ConsumeBodyDoneObserver(FetchBodyConsumer<Derived>* aFetchBodyConsumer)
|
||||
: mFetchBodyConsumer(aFetchBodyConsumer)
|
||||
{ }
|
||||
|
||||
NS_IMETHOD
|
||||
OnStreamComplete(nsIStreamLoader* aLoader,
|
||||
nsISupports* aCtxt,
|
||||
nsresult aStatus,
|
||||
uint32_t aResultLength,
|
||||
const uint8_t* aResult) override
|
||||
{
|
||||
MOZ_ASSERT(NS_IsMainThread());
|
||||
|
||||
// The loading is completed. Let's nullify the pump before continuing the
|
||||
// consuming of the body.
|
||||
mFetchBodyConsumer->NullifyConsumeBodyPump();
|
||||
|
||||
uint8_t* nonconstResult = const_cast<uint8_t*>(aResult);
|
||||
if (mFetchBodyConsumer->GetWorkerPrivate()) {
|
||||
RefPtr<ContinueConsumeBodyRunnable<Derived>> r =
|
||||
new ContinueConsumeBodyRunnable<Derived>(mFetchBodyConsumer,
|
||||
aStatus,
|
||||
aResultLength,
|
||||
nonconstResult);
|
||||
if (!r->Dispatch()) {
|
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NS_WARNING("Could not dispatch ConsumeBodyRunnable");
|
||||
// Return failure so that aResult is freed.
|
||||
return NS_ERROR_FAILURE;
|
||||
}
|
||||
} else {
|
||||
mFetchBodyConsumer->ContinueConsumeBody(aStatus, aResultLength,
|
||||
nonconstResult);
|
||||
}
|
||||
|
||||
// FetchBody is responsible for data.
|
||||
return NS_SUCCESS_ADOPTED_DATA;
|
||||
}
|
||||
|
||||
virtual void BlobStoreCompleted(MutableBlobStorage* aBlobStorage,
|
||||
Blob* aBlob,
|
||||
nsresult aRv) override
|
||||
{
|
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// On error.
|
||||
if (NS_FAILED(aRv)) {
|
||||
OnStreamComplete(nullptr, nullptr, aRv, 0, nullptr);
|
||||
return;
|
||||
}
|
||||
|
||||
// The loading is completed. Let's nullify the pump before continuing the
|
||||
// consuming of the body.
|
||||
mFetchBodyConsumer->NullifyConsumeBodyPump();
|
||||
|
||||
MOZ_ASSERT(aBlob);
|
||||
|
||||
if (mFetchBodyConsumer->GetWorkerPrivate()) {
|
||||
RefPtr<ContinueConsumeBlobBodyRunnable<Derived>> r =
|
||||
new ContinueConsumeBlobBodyRunnable<Derived>(mFetchBodyConsumer,
|
||||
aBlob->Impl());
|
||||
|
||||
if (!r->Dispatch()) {
|
||||
NS_WARNING("Could not dispatch ConsumeBlobBodyRunnable");
|
||||
return;
|
||||
}
|
||||
} else {
|
||||
mFetchBodyConsumer->ContinueConsumeBlobBody(aBlob->Impl());
|
||||
}
|
||||
}
|
||||
|
||||
private:
|
||||
virtual ~ConsumeBodyDoneObserver()
|
||||
{ }
|
||||
};
|
||||
|
||||
template <class Derived>
|
||||
NS_IMPL_ADDREF(ConsumeBodyDoneObserver<Derived>)
|
||||
template <class Derived>
|
||||
NS_IMPL_RELEASE(ConsumeBodyDoneObserver<Derived>)
|
||||
template <class Derived>
|
||||
NS_INTERFACE_MAP_BEGIN(ConsumeBodyDoneObserver<Derived>)
|
||||
NS_INTERFACE_MAP_ENTRY(nsIStreamLoaderObserver)
|
||||
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIStreamLoaderObserver)
|
||||
NS_INTERFACE_MAP_END
|
||||
|
||||
} // anonymous
|
||||
|
||||
template <class Derived>
|
||||
/* static */ already_AddRefed<Promise>
|
||||
FetchBodyConsumer<Derived>::Create(nsIGlobalObject* aGlobal,
|
||||
FetchBody<Derived>* aBody,
|
||||
FetchConsumeType aType,
|
||||
ErrorResult& aRv)
|
||||
{
|
||||
MOZ_ASSERT(aBody);
|
||||
|
||||
nsCOMPtr<nsIInputStream> bodyStream;
|
||||
aBody->DerivedClass()->GetBody(getter_AddRefs(bodyStream));
|
||||
if (!bodyStream) {
|
||||
aRv = NS_NewCStringInputStream(getter_AddRefs(bodyStream), EmptyCString());
|
||||
if (NS_WARN_IF(aRv.Failed())) {
|
||||
return nullptr;
|
||||
}
|
||||
}
|
||||
|
||||
RefPtr<Promise> promise = Promise::Create(aGlobal, aRv);
|
||||
if (aRv.Failed()) {
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
WorkerPrivate* workerPrivate = nullptr;
|
||||
if (!NS_IsMainThread()) {
|
||||
workerPrivate = GetCurrentThreadWorkerPrivate();
|
||||
MOZ_ASSERT(workerPrivate);
|
||||
}
|
||||
|
||||
RefPtr<FetchBodyConsumer<Derived>> consumer =
|
||||
new FetchBodyConsumer<Derived>(aGlobal, workerPrivate, aBody, bodyStream,
|
||||
promise, aType);
|
||||
|
||||
if (!NS_IsMainThread()) {
|
||||
MOZ_ASSERT(workerPrivate);
|
||||
if (NS_WARN_IF(!consumer->RegisterWorkerHolder())) {
|
||||
aRv.Throw(NS_ERROR_FAILURE);
|
||||
return nullptr;
|
||||
}
|
||||
} else {
|
||||
nsCOMPtr<nsIObserverService> os = mozilla::services::GetObserverService();
|
||||
if (NS_WARN_IF(!os)) {
|
||||
aRv.Throw(NS_ERROR_FAILURE);
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
aRv = os->AddObserver(consumer, DOM_WINDOW_DESTROYED_TOPIC, true);
|
||||
if (NS_WARN_IF(aRv.Failed())) {
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
aRv = os->AddObserver(consumer, DOM_WINDOW_FROZEN_TOPIC, true);
|
||||
if (NS_WARN_IF(aRv.Failed())) {
|
||||
return nullptr;
|
||||
}
|
||||
}
|
||||
|
||||
nsCOMPtr<nsIRunnable> r = new BeginConsumeBodyRunnable<Derived>(consumer);
|
||||
|
||||
if (workerPrivate) {
|
||||
aRv = workerPrivate->DispatchToMainThread(r.forget());
|
||||
} else {
|
||||
aRv = NS_DispatchToMainThread(r.forget());
|
||||
}
|
||||
|
||||
if (NS_WARN_IF(aRv.Failed())) {
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
return promise.forget();
|
||||
}
|
||||
|
||||
template <class Derived>
|
||||
void
|
||||
FetchBodyConsumer<Derived>::ReleaseObject()
|
||||
{
|
||||
AssertIsOnTargetThread();
|
||||
|
||||
if (NS_IsMainThread()) {
|
||||
nsCOMPtr<nsIObserverService> os = mozilla::services::GetObserverService();
|
||||
if (os) {
|
||||
os->RemoveObserver(this, DOM_WINDOW_DESTROYED_TOPIC);
|
||||
os->RemoveObserver(this, DOM_WINDOW_FROZEN_TOPIC);
|
||||
}
|
||||
}
|
||||
|
||||
mGlobal = nullptr;
|
||||
mWorkerHolder = nullptr;
|
||||
|
||||
#ifdef DEBUG
|
||||
mBody = nullptr;
|
||||
#endif
|
||||
}
|
||||
|
||||
template <class Derived>
|
||||
FetchBodyConsumer<Derived>::FetchBodyConsumer(nsIGlobalObject* aGlobalObject,
|
||||
WorkerPrivate* aWorkerPrivate,
|
||||
FetchBody<Derived>* aBody,
|
||||
nsIInputStream* aBodyStream,
|
||||
Promise* aPromise,
|
||||
FetchConsumeType aType)
|
||||
: mTargetThread(NS_GetCurrentThread())
|
||||
#ifdef DEBUG
|
||||
, mBody(aBody)
|
||||
#endif
|
||||
, mBodyStream(aBodyStream)
|
||||
, mBlobStorageType(MutableBlobStorage::eOnlyInMemory)
|
||||
, mGlobal(aGlobalObject)
|
||||
, mWorkerPrivate(aWorkerPrivate)
|
||||
, mConsumeType(aType)
|
||||
, mConsumePromise(aPromise)
|
||||
, mBodyConsumed(false)
|
||||
, mShuttingDown(false)
|
||||
{
|
||||
MOZ_ASSERT(aBody);
|
||||
MOZ_ASSERT(aBodyStream);
|
||||
MOZ_ASSERT(aPromise);
|
||||
|
||||
const mozilla::UniquePtr<mozilla::ipc::PrincipalInfo>& principalInfo =
|
||||
aBody->DerivedClass()->GetPrincipalInfo();
|
||||
// We support temporary file for blobs only if the principal is known and
|
||||
// it's system or content not in private Browsing.
|
||||
if (principalInfo &&
|
||||
(principalInfo->type() == mozilla::ipc::PrincipalInfo::TSystemPrincipalInfo ||
|
||||
(principalInfo->type() == mozilla::ipc::PrincipalInfo::TContentPrincipalInfo &&
|
||||
principalInfo->get_ContentPrincipalInfo().attrs().mPrivateBrowsingId == 0))) {
|
||||
mBlobStorageType = MutableBlobStorage::eCouldBeInTemporaryFile;
|
||||
}
|
||||
|
||||
mBodyMimeType = aBody->MimeType();
|
||||
}
|
||||
|
||||
template <class Derived>
|
||||
FetchBodyConsumer<Derived>::~FetchBodyConsumer()
|
||||
{
|
||||
}
|
||||
|
||||
template <class Derived>
|
||||
void
|
||||
FetchBodyConsumer<Derived>::AssertIsOnTargetThread() const
|
||||
{
|
||||
MOZ_ASSERT(NS_GetCurrentThread() == mTargetThread);
|
||||
}
|
||||
|
||||
template <class Derived>
|
||||
bool
|
||||
FetchBodyConsumer<Derived>::RegisterWorkerHolder()
|
||||
{
|
||||
MOZ_ASSERT(mWorkerPrivate);
|
||||
mWorkerPrivate->AssertIsOnWorkerThread();
|
||||
|
||||
MOZ_ASSERT(!mWorkerHolder);
|
||||
mWorkerHolder.reset(new FetchBodyWorkerHolder<Derived>(this));
|
||||
|
||||
if (!mWorkerHolder->HoldWorker(mWorkerPrivate, Closing)) {
|
||||
NS_WARNING("Failed to add workerHolder");
|
||||
mWorkerHolder = nullptr;
|
||||
return false;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
/*
|
||||
* BeginConsumeBodyMainThread() will automatically reject the consume promise
|
||||
* and clean up on any failures, so there is no need for callers to do so,
|
||||
* reflected in a lack of error return code.
|
||||
*/
|
||||
template <class Derived>
|
||||
void
|
||||
FetchBodyConsumer<Derived>::BeginConsumeBodyMainThread()
|
||||
{
|
||||
AssertIsOnMainThread();
|
||||
|
||||
AutoFailConsumeBody<Derived> autoReject(this);
|
||||
|
||||
if (mShuttingDown) {
|
||||
// We haven't started yet, but we have been terminated. AutoFailConsumeBody
|
||||
// will dispatch a runnable to release resources.
|
||||
return;
|
||||
}
|
||||
|
||||
nsCOMPtr<nsIInputStreamPump> pump;
|
||||
nsresult rv = NS_NewInputStreamPump(getter_AddRefs(pump),
|
||||
mBodyStream, -1, -1, 0, 0, false);
|
||||
if (NS_WARN_IF(NS_FAILED(rv))) {
|
||||
return;
|
||||
}
|
||||
|
||||
RefPtr<ConsumeBodyDoneObserver<Derived>> p =
|
||||
new ConsumeBodyDoneObserver<Derived>(this);
|
||||
|
||||
nsCOMPtr<nsIStreamListener> listener;
|
||||
if (mConsumeType == CONSUME_BLOB) {
|
||||
listener = new MutableBlobStreamListener(mBlobStorageType, nullptr,
|
||||
mBodyMimeType, p);
|
||||
} else {
|
||||
nsCOMPtr<nsIStreamLoader> loader;
|
||||
rv = NS_NewStreamLoader(getter_AddRefs(loader), p);
|
||||
if (NS_WARN_IF(NS_FAILED(rv))) {
|
||||
return;
|
||||
}
|
||||
|
||||
listener = loader;
|
||||
}
|
||||
|
||||
rv = pump->AsyncRead(listener, nullptr);
|
||||
if (NS_WARN_IF(NS_FAILED(rv))) {
|
||||
return;
|
||||
}
|
||||
|
||||
// Now that everything succeeded, we can assign the pump to a pointer that
|
||||
// stays alive for the lifetime of the FetchConsumer.
|
||||
mConsumeBodyPump = pump;
|
||||
|
||||
// It is ok for retargeting to fail and reads to happen on the main thread.
|
||||
autoReject.DontFail();
|
||||
|
||||
// Try to retarget, otherwise fall back to main thread.
|
||||
nsCOMPtr<nsIThreadRetargetableRequest> rr = do_QueryInterface(pump);
|
||||
if (rr) {
|
||||
nsCOMPtr<nsIEventTarget> sts = do_GetService(NS_STREAMTRANSPORTSERVICE_CONTRACTID);
|
||||
rv = rr->RetargetDeliveryTo(sts);
|
||||
if (NS_WARN_IF(NS_FAILED(rv))) {
|
||||
NS_WARNING("Retargeting failed");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
template <class Derived>
|
||||
void
|
||||
FetchBodyConsumer<Derived>::ContinueConsumeBody(nsresult aStatus,
|
||||
uint32_t aResultLength,
|
||||
uint8_t* aResult)
|
||||
{
|
||||
AssertIsOnTargetThread();
|
||||
|
||||
if (mBodyConsumed) {
|
||||
return;
|
||||
}
|
||||
mBodyConsumed = true;
|
||||
|
||||
// Just a precaution to ensure ContinueConsumeBody is not called out of
|
||||
// sync with a body read.
|
||||
MOZ_ASSERT(mBody->BodyUsed());
|
||||
|
||||
auto autoFree = mozilla::MakeScopeExit([&] {
|
||||
free(aResult);
|
||||
});
|
||||
|
||||
MOZ_ASSERT(mConsumePromise);
|
||||
RefPtr<Promise> localPromise = mConsumePromise.forget();
|
||||
|
||||
RefPtr<FetchBodyConsumer<Derived>> self = this;
|
||||
auto autoReleaseObject = mozilla::MakeScopeExit([&] {
|
||||
self->ReleaseObject();
|
||||
});
|
||||
|
||||
if (NS_WARN_IF(NS_FAILED(aStatus))) {
|
||||
localPromise->MaybeReject(NS_ERROR_DOM_ABORT_ERR);
|
||||
}
|
||||
|
||||
// Don't warn here since we warned above.
|
||||
if (NS_FAILED(aStatus)) {
|
||||
return;
|
||||
}
|
||||
|
||||
// Finish successfully consuming body according to type.
|
||||
MOZ_ASSERT(aResult);
|
||||
|
||||
AutoJSAPI jsapi;
|
||||
if (!jsapi.Init(mGlobal)) {
|
||||
localPromise->MaybeReject(NS_ERROR_UNEXPECTED);
|
||||
return;
|
||||
}
|
||||
|
||||
JSContext* cx = jsapi.cx();
|
||||
ErrorResult error;
|
||||
|
||||
switch (mConsumeType) {
|
||||
case CONSUME_ARRAYBUFFER: {
|
||||
JS::Rooted<JSObject*> arrayBuffer(cx);
|
||||
BodyUtil::ConsumeArrayBuffer(cx, &arrayBuffer, aResultLength, aResult,
|
||||
error);
|
||||
|
||||
if (!error.Failed()) {
|
||||
JS::Rooted<JS::Value> val(cx);
|
||||
val.setObjectOrNull(arrayBuffer);
|
||||
|
||||
localPromise->MaybeResolve(cx, val);
|
||||
// ArrayBuffer takes over ownership.
|
||||
aResult = nullptr;
|
||||
}
|
||||
break;
|
||||
}
|
||||
case CONSUME_BLOB: {
|
||||
MOZ_CRASH("This should not happen.");
|
||||
break;
|
||||
}
|
||||
case CONSUME_FORMDATA: {
|
||||
nsCString data;
|
||||
data.Adopt(reinterpret_cast<char*>(aResult), aResultLength);
|
||||
aResult = nullptr;
|
||||
|
||||
RefPtr<dom::FormData> fd =
|
||||
BodyUtil::ConsumeFormData(mGlobal, mBodyMimeType, data, error);
|
||||
if (!error.Failed()) {
|
||||
localPromise->MaybeResolve(fd);
|
||||
}
|
||||
break;
|
||||
}
|
||||
case CONSUME_TEXT:
|
||||
// fall through handles early exit.
|
||||
case CONSUME_JSON: {
|
||||
nsString decoded;
|
||||
if (NS_SUCCEEDED(BodyUtil::ConsumeText(aResultLength, aResult, decoded))) {
|
||||
if (mConsumeType == CONSUME_TEXT) {
|
||||
localPromise->MaybeResolve(decoded);
|
||||
} else {
|
||||
JS::Rooted<JS::Value> json(cx);
|
||||
BodyUtil::ConsumeJson(cx, &json, decoded, error);
|
||||
if (!error.Failed()) {
|
||||
localPromise->MaybeResolve(cx, json);
|
||||
}
|
||||
}
|
||||
};
|
||||
break;
|
||||
}
|
||||
default:
|
||||
NS_NOTREACHED("Unexpected consume body type");
|
||||
}
|
||||
|
||||
error.WouldReportJSException();
|
||||
if (error.Failed()) {
|
||||
localPromise->MaybeReject(error);
|
||||
}
|
||||
}
|
||||
|
||||
template <class Derived>
|
||||
void
|
||||
FetchBodyConsumer<Derived>::ContinueConsumeBlobBody(BlobImpl* aBlobImpl)
|
||||
{
|
||||
AssertIsOnTargetThread();
|
||||
MOZ_ASSERT(mConsumeType == CONSUME_BLOB);
|
||||
|
||||
if (mBodyConsumed) {
|
||||
return;
|
||||
}
|
||||
mBodyConsumed = true;
|
||||
|
||||
// Just a precaution to ensure ContinueConsumeBody is not called out of
|
||||
// sync with a body read.
|
||||
MOZ_ASSERT(mBody->BodyUsed());
|
||||
|
||||
MOZ_ASSERT(mConsumePromise);
|
||||
RefPtr<Promise> localPromise = mConsumePromise.forget();
|
||||
|
||||
RefPtr<dom::Blob> blob = dom::Blob::Create(mGlobal, aBlobImpl);
|
||||
MOZ_ASSERT(blob);
|
||||
|
||||
localPromise->MaybeResolve(blob);
|
||||
|
||||
ReleaseObject();
|
||||
}
|
||||
|
||||
template <class Derived>
|
||||
void
|
||||
FetchBodyConsumer<Derived>::ShutDownMainThreadConsuming()
|
||||
{
|
||||
if (!NS_IsMainThread()) {
|
||||
RefPtr<FetchBodyConsumer<Derived>> self = this;
|
||||
|
||||
nsCOMPtr<nsIRunnable> r = NS_NewRunnableFunction(
|
||||
[self] () { self->ShutDownMainThreadConsuming(); });
|
||||
|
||||
WorkerPrivate* workerPrivate = GetCurrentThreadWorkerPrivate();
|
||||
MOZ_ASSERT(workerPrivate);
|
||||
workerPrivate->DispatchToMainThread(r.forget());
|
||||
return;
|
||||
}
|
||||
|
||||
// We need this because maybe, mConsumeBodyPump has not been created yet. We
|
||||
// must be sure that we don't try to do it.
|
||||
mShuttingDown = true;
|
||||
|
||||
if (mConsumeBodyPump) {
|
||||
mConsumeBodyPump->Cancel(NS_BINDING_ABORTED);
|
||||
mConsumeBodyPump = nullptr;
|
||||
}
|
||||
}
|
||||
|
||||
template <class Derived>
|
||||
NS_IMETHODIMP
|
||||
FetchBodyConsumer<Derived>::Observe(nsISupports* aSubject,
|
||||
const char* aTopic,
|
||||
const char16_t* aData)
|
||||
{
|
||||
AssertIsOnMainThread();
|
||||
|
||||
MOZ_ASSERT((strcmp(aTopic, DOM_WINDOW_FROZEN_TOPIC) == 0) ||
|
||||
(strcmp(aTopic, DOM_WINDOW_DESTROYED_TOPIC) == 0));
|
||||
|
||||
nsCOMPtr<nsPIDOMWindowInner> window = do_QueryInterface(mGlobal);
|
||||
if (SameCOMIdentity(aSubject, window)) {
|
||||
ContinueConsumeBody(NS_BINDING_ABORTED, 0, nullptr);
|
||||
}
|
||||
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
template <class Derived>
|
||||
NS_IMPL_ADDREF(FetchBodyConsumer<Derived>)
|
||||
|
||||
template <class Derived>
|
||||
NS_IMPL_RELEASE(FetchBodyConsumer<Derived>)
|
||||
|
||||
template <class Derived>
|
||||
NS_IMPL_QUERY_INTERFACE(FetchBodyConsumer<Derived>,
|
||||
nsIObserver,
|
||||
nsISupportsWeakReference)
|
||||
|
||||
} // namespace dom
|
||||
} // namespace mozilla
|
||||
Loading…
Add table
Add a link
Reference in a new issue