From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 19:32:43 +0200 Subject: Adding upstream version 1:115.7.0. Signed-off-by: Daniel Baumann --- dom/canvas/OffscreenCanvasRenderingContext2D.h | 69 ++++++++++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 dom/canvas/OffscreenCanvasRenderingContext2D.h (limited to 'dom/canvas/OffscreenCanvasRenderingContext2D.h') diff --git a/dom/canvas/OffscreenCanvasRenderingContext2D.h b/dom/canvas/OffscreenCanvasRenderingContext2D.h new file mode 100644 index 0000000000..1a47500f6d --- /dev/null +++ b/dom/canvas/OffscreenCanvasRenderingContext2D.h @@ -0,0 +1,69 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim:set ts=2 sw=2 sts=2 et cindent: */ +/* 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_OFFSCREENCANVASRENDERINGCONTEXT2D_H_ +#define MOZILLA_DOM_OFFSCREENCANVASRENDERINGCONTEXT2D_H_ + +#include "mozilla/RefPtr.h" +#include "mozilla/dom/CanvasRenderingContext2D.h" + +struct JSContext; +class nsIGlobalObject; + +namespace mozilla::dom { +class OffscreenCanvas; +class OffscreenCanvasShutdownObserver; +class WeakWorkerRef; + +class OffscreenCanvasRenderingContext2D final + : public CanvasRenderingContext2D { + public: + // nsISupports interface + CC + NS_DECL_ISUPPORTS_INHERITED + NS_DECL_CYCLE_COLLECTION_SKIPPABLE_SCRIPT_HOLDER_CLASS_INHERITED( + OffscreenCanvasRenderingContext2D, CanvasRenderingContext2D) + + explicit OffscreenCanvasRenderingContext2D( + layers::LayersBackend aCompositorBackend); + + nsIGlobalObject* GetParentObject() const; + + JSObject* WrapObject(JSContext* aCx, + JS::Handle aGivenProto) override; + + OffscreenCanvas* Canvas() { return mOffscreenCanvas; } + const OffscreenCanvas* Canvas() const { return mOffscreenCanvas; } + + void Commit(ErrorResult& aRv); + + void OnShutdown() override; + + NS_IMETHOD InitializeWithDrawTarget( + nsIDocShell* aShell, NotNull aTarget) override; + + private: + void AddShutdownObserver() override; + void RemoveShutdownObserver() override; + bool AlreadyShutDown() const override { + return !mOffscreenShutdownObserver && + CanvasRenderingContext2D::AlreadyShutDown(); + } + + void AddZoneWaitingForGC() override; + void AddAssociatedMemory() override; + void RemoveAssociatedMemory() override; + + ~OffscreenCanvasRenderingContext2D() override; + + RefPtr mOffscreenShutdownObserver; + RefPtr mWorkerRef; +}; + +size_t BindingJSObjectMallocBytes(OffscreenCanvasRenderingContext2D* aContext); + +} // namespace mozilla::dom + +#endif // MOZILLA_DOM_OFFSCREENCANVASRENDERINGCONTEXT2D_H_ -- cgit v1.2.3