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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:13:27 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:13:27 +0000 |
commit | 40a355a42d4a9444dc753c04c6608dade2f06a23 (patch) | |
tree | 871fc667d2de662f171103ce5ec067014ef85e61 /gfx/ipc/CanvasShutdownManager.h | |
parent | Adding upstream version 124.0.1. (diff) | |
download | firefox-40a355a42d4a9444dc753c04c6608dade2f06a23.tar.xz firefox-40a355a42d4a9444dc753c04c6608dade2f06a23.zip |
Adding upstream version 125.0.1.upstream/125.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'gfx/ipc/CanvasShutdownManager.h')
-rw-r--r-- | gfx/ipc/CanvasShutdownManager.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/gfx/ipc/CanvasShutdownManager.h b/gfx/ipc/CanvasShutdownManager.h new file mode 100644 index 0000000000..803d6a1eb8 --- /dev/null +++ b/gfx/ipc/CanvasShutdownManager.h @@ -0,0 +1,57 @@ +/* -*- 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 _include_gfx_ipc_CanvasShutdownManager_h__ +#define _include_gfx_ipc_CanvasShutdownManager_h__ + +#include "mozilla/RefPtr.h" +#include "mozilla/StaticMutex.h" +#include "mozilla/ThreadLocal.h" +#include <set> + +namespace mozilla { +namespace dom { +class CanvasRenderingContext2D; +class StrongWorkerRef; +class ThreadSafeWorkerRef; +} // namespace dom + +namespace gfx { + +class CanvasShutdownManager final { + public: + static CanvasShutdownManager* Get(); + static CanvasShutdownManager* MaybeGet(); + static void Shutdown(); + + dom::ThreadSafeWorkerRef* GetWorkerRef() const { return mWorkerRef; } + void AddShutdownObserver(dom::CanvasRenderingContext2D* aCanvas); + void RemoveShutdownObserver(dom::CanvasRenderingContext2D* aCanvas); + + static void OnCompositorManagerRestored(); + + void OnRemoteCanvasLost(); + void OnRemoteCanvasRestored(); + + private: + explicit CanvasShutdownManager(dom::StrongWorkerRef* aWorkerRef); + CanvasShutdownManager(); + ~CanvasShutdownManager(); + void Destroy(); + + static void MaybeRestoreRemoteCanvas(); + + RefPtr<dom::ThreadSafeWorkerRef> mWorkerRef; + std::set<dom::CanvasRenderingContext2D*> mActiveCanvas; + static MOZ_THREAD_LOCAL(CanvasShutdownManager*) sLocalManager; + + static StaticMutex sManagersMutex; + static std::set<CanvasShutdownManager*> sManagers; +}; + +} // namespace gfx +} // namespace mozilla + +#endif // _include_gfx_ipc_CanvasShutdownManager_h__ |