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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
commit | 0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d (patch) | |
tree | a31f07c9bcca9d56ce61e9a1ffd30ef350d513aa /dom/canvas/OffscreenCanvasRenderingContext2D.h | |
parent | Initial commit. (diff) | |
download | firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.tar.xz firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.zip |
Adding upstream version 115.8.0esr.upstream/115.8.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/canvas/OffscreenCanvasRenderingContext2D.h')
-rw-r--r-- | dom/canvas/OffscreenCanvasRenderingContext2D.h | 69 |
1 files changed, 69 insertions, 0 deletions
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<JSObject*> 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<gfx::DrawTarget*> 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<OffscreenCanvasShutdownObserver> mOffscreenShutdownObserver; + RefPtr<WeakWorkerRef> mWorkerRef; +}; + +size_t BindingJSObjectMallocBytes(OffscreenCanvasRenderingContext2D* aContext); + +} // namespace mozilla::dom + +#endif // MOZILLA_DOM_OFFSCREENCANVASRENDERINGCONTEXT2D_H_ |