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authorMoonchild <moonchild@palemoon.org>2020-06-11 12:43:17 +0000
committerwolfbeast <mcwerewolf@wolfbeast.com>2020-06-13 11:52:17 +0200
commit29bca891d5ca243774a7355fc3a6a68903f0d596 (patch)
treeec5a36a57a179b811642c0ee5636ffd3005adc67 /dom/abort/FetchController.cpp
parentbb7060582934f087b71702d1e83f762d5fd6f0af (diff)
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Issue #1587 - Part 6: Move FetchController/Signal to its own dir
Since it is specced separately from fetch.
Diffstat (limited to 'dom/abort/FetchController.cpp')
-rw-r--r--dom/abort/FetchController.cpp127
1 files changed, 127 insertions, 0 deletions
diff --git a/dom/abort/FetchController.cpp b/dom/abort/FetchController.cpp
new file mode 100644
index 000000000..2eb40b980
--- /dev/null
+++ b/dom/abort/FetchController.cpp
@@ -0,0 +1,127 @@
+/* -*- 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 "FetchController.h"
+#include "FetchSignal.h"
+#include "mozilla/dom/FetchControllerBinding.h"
+#include "WorkerPrivate.h"
+
+namespace mozilla {
+namespace dom {
+
+NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(FetchController, mGlobal, mSignal,
+ mFollowingSignal)
+
+NS_IMPL_CYCLE_COLLECTING_ADDREF(FetchController)
+NS_IMPL_CYCLE_COLLECTING_RELEASE(FetchController)
+
+NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(FetchController)
+ NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
+ NS_INTERFACE_MAP_ENTRY(nsISupports)
+NS_INTERFACE_MAP_END
+
+/* static */ bool
+FetchController::IsEnabled(JSContext* aCx, JSObject* aGlobal)
+{
+ if (NS_IsMainThread()) {
+ return Preferences::GetBool("dom.fetchController.enabled", false);
+ }
+
+ using namespace workers;
+
+ // Otherwise, check the pref via the WorkerPrivate
+ WorkerPrivate* workerPrivate = GetWorkerPrivateFromContext(aCx);
+ if (!workerPrivate) {
+ return false;
+ }
+
+ return workerPrivate->FetchControllerEnabled();
+}
+
+/* static */ already_AddRefed<FetchController>
+FetchController::Constructor(const GlobalObject& aGlobal, ErrorResult& aRv)
+{
+ nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(aGlobal.GetAsSupports());
+ if (!global) {
+ aRv.Throw(NS_ERROR_FAILURE);
+ return nullptr;
+ }
+
+ RefPtr<FetchController> fetchController = new FetchController(global);
+ return fetchController.forget();
+}
+
+FetchController::FetchController(nsIGlobalObject* aGlobal)
+ : mGlobal(aGlobal)
+ , mAborted(false)
+{}
+
+JSObject*
+FetchController::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
+{
+ return FetchControllerBinding::Wrap(aCx, this, aGivenProto);
+}
+
+nsIGlobalObject*
+FetchController::GetParentObject() const
+{
+ return mGlobal;
+}
+
+FetchSignal*
+FetchController::Signal()
+{
+ if (!mSignal) {
+ mSignal = new FetchSignal(this, mAborted);
+ }
+
+ return mSignal;
+}
+
+void
+FetchController::Abort()
+{
+ if (mAborted) {
+ return;
+ }
+
+ mAborted = true;
+
+ if (mSignal) {
+ mSignal->Abort();
+ }
+}
+
+void
+FetchController::Follow(FetchSignal& aSignal)
+{
+ FetchSignal::Follower::Follow(&aSignal);
+}
+
+void
+FetchController::Unfollow(FetchSignal& aSignal)
+{
+ if (mFollowingSignal != &aSignal) {
+ return;
+ }
+
+ FetchSignal::Follower::Unfollow();
+}
+
+FetchSignal*
+FetchController::Following() const
+{
+ return mFollowingSignal;
+}
+
+void
+FetchController::Aborted()
+{
+ Abort();
+}
+
+} // dom namespace
+} // mozilla namespace