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/* -*- 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 "FetchObserver.h"
#include "mozilla/dom/Event.h"
#include "mozilla/dom/EventBinding.h"
namespace mozilla::dom {
NS_IMPL_CYCLE_COLLECTION_CLASS(FetchObserver)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(FetchObserver,
DOMEventTargetHelper)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(FetchObserver,
DOMEventTargetHelper)
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(FetchObserver)
NS_INTERFACE_MAP_END_INHERITING(DOMEventTargetHelper)
NS_IMPL_ADDREF_INHERITED(FetchObserver, DOMEventTargetHelper)
NS_IMPL_RELEASE_INHERITED(FetchObserver, DOMEventTargetHelper)
FetchObserver::FetchObserver(nsIGlobalObject* aGlobal,
AbortSignalImpl* aSignalImpl)
: DOMEventTargetHelper(aGlobal), mState(FetchState::Requesting) {
if (aSignalImpl) {
Follow(aSignalImpl);
}
}
JSObject* FetchObserver::WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return FetchObserver_Binding::Wrap(aCx, this, aGivenProto);
}
FetchState FetchObserver::State() const { return mState; }
void FetchObserver::RunAbortAlgorithm() { SetState(FetchState::Aborted); }
void FetchObserver::SetState(FetchState aState) {
MOZ_ASSERT(mState < aState);
if (mState == FetchState::Aborted || mState == FetchState::Errored ||
mState == FetchState::Complete) {
// We are already in a final state.
return;
}
// We cannot pass from Requesting to Complete directly.
if (mState == FetchState::Requesting && aState == FetchState::Complete) {
SetState(FetchState::Responding);
}
mState = aState;
if (mState == FetchState::Aborted || mState == FetchState::Errored ||
mState == FetchState::Complete) {
Unfollow();
}
EventInit init;
init.mBubbles = false;
init.mCancelable = false;
// TODO which kind of event should we dispatch here?
RefPtr<Event> event = Event::Constructor(this, u"statechange"_ns, init);
event->SetTrusted(true);
DispatchEvent(*event);
}
} // namespace mozilla::dom
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