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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /dom/worklet/WorkletThread.h | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/worklet/WorkletThread.h')
-rw-r--r-- | dom/worklet/WorkletThread.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/dom/worklet/WorkletThread.h b/dom/worklet/WorkletThread.h new file mode 100644 index 0000000000..e6d0e414dc --- /dev/null +++ b/dom/worklet/WorkletThread.h @@ -0,0 +1,78 @@ +/* -*- 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/. */ + +#ifndef mozilla_dom_worklet_WorkletThread_h +#define mozilla_dom_worklet_WorkletThread_h + +#include "mozilla/Attributes.h" +#include "mozilla/CondVar.h" +#include "mozilla/RefPtr.h" +#include "mozilla/UniquePtr.h" +#include "mozilla/dom/WorkletImpl.h" +#include "nsIObserver.h" +#include "nsThread.h" + +class nsIRunnable; + +namespace JS { +class ContextOptions; +}; // namespace JS + +namespace mozilla::dom { + +class WorkletThread final : public nsThread, public nsIObserver { + public: + NS_DECL_ISUPPORTS_INHERITED + NS_DECL_NSIOBSERVER + + static already_AddRefed<WorkletThread> Create(WorkletImpl* aWorkletImpl); + + // Threads that call EnsureCycleCollectedJSContext must call + // DeleteCycleCollectedJSContext::Get() before terminating. Clients of + // Create() do not need to do this as Terminate() will ensure this happens. + static void EnsureCycleCollectedJSContext(JSRuntime* aParentRuntime, + const JS::ContextOptions& aOptions); + static void DeleteCycleCollectedJSContext(); + + static bool IsOnWorkletThread(); + + static void AssertIsOnWorkletThread(); + + nsresult DispatchRunnable(already_AddRefed<nsIRunnable> aRunnable); + + void Terminate(); + + private: + explicit WorkletThread(WorkletImpl* aWorkletImpl); + ~WorkletThread(); + + void RunEventLoop(); + class PrimaryRunnable; + + void TerminateInternal(); + class TerminateRunnable; + + // This should only be called by consumers that have an + // nsIEventTarget/nsIThread pointer. + NS_IMETHOD + Dispatch(already_AddRefed<nsIRunnable> aRunnable, uint32_t aFlags) override; + + NS_IMETHOD + DispatchFromScript(nsIRunnable* aRunnable, uint32_t aFlags) override; + + NS_IMETHOD + DelayedDispatch(already_AddRefed<nsIRunnable>, uint32_t) override; + + const RefPtr<WorkletImpl> mWorkletImpl; + + bool mExitLoop; // worklet execution thread + + bool mIsTerminating; // main thread +}; + +} // namespace mozilla::dom + +#endif // mozilla_dom_worklet_WorkletThread_h |