1 files changed, 71 insertions, 0 deletions
diff --git a/gfx/ipc/CanvasManagerParent.h b/gfx/ipc/CanvasManagerParent.h
new file mode 100644
index 0000000000..1eaadc3ad5
--- /dev/null
+++ b/gfx/ipc/CanvasManagerParent.h
@@ -0,0 +1,71 @@
+/* -*- 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_CanvasManagerParent_h__
+#define _include_gfx_ipc_CanvasManagerParent_h__
+
+#include "mozilla/gfx/PCanvasManagerParent.h"
+#include "mozilla/dom/ipc/IdType.h"
+#include "mozilla/StaticMonitor.h"
+#include "mozilla/UniquePtr.h"
+#include "nsHashtablesFwd.h"
+#include "nsTArray.h"
+
+namespace mozilla {
+namespace layers {
+class CanvasTranslator;
+class HostIPCAllocator;
+class SharedSurfacesHolder;
+class SurfaceDescriptor;
+}  // namespace layers
+
+namespace gfx {
+
+class CanvasManagerParent final : public PCanvasManagerParent {
+ public:
+  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(CanvasManagerParent, override);
+
+  static void Init(Endpoint<PCanvasManagerParent>&& aEndpoint,
+                   layers::SharedSurfacesHolder* aSharedSurfacesHolder,
+                   const dom::ContentParentId& aContentId);
+
+  static void Shutdown();
+
+  static void DisableRemoteCanvas();
+
+  CanvasManagerParent(layers::SharedSurfacesHolder* aSharedSurfacesHolder,
+                      const dom::ContentParentId& aContentId);
+
+  void Bind(Endpoint<PCanvasManagerParent>&& aEndpoint);
+  void ActorDestroy(ActorDestroyReason aWhy) override;
+
+  already_AddRefed<dom::PWebGLParent> AllocPWebGLParent();
+  already_AddRefed<webgpu::PWebGPUParent> AllocPWebGPUParent();
+  already_AddRefed<layers::PCanvasParent> AllocPCanvasParent();
+
+  mozilla::ipc::IPCResult RecvInitialize(const uint32_t& aId);
+  mozilla::ipc::IPCResult RecvGetSnapshot(
+      const uint32_t& aManagerId, const int32_t& aProtocolId,
+      const Maybe<RemoteTextureOwnerId>& aOwnerId,
+      webgl::FrontBufferSnapshotIpc* aResult);
+
+ private:
+  static void ShutdownInternal();
+  static void DisableRemoteCanvasInternal();
+
+  ~CanvasManagerParent() override;
+
+  RefPtr<layers::SharedSurfacesHolder> mSharedSurfacesHolder;
+  const dom::ContentParentId mContentId;
+  uint32_t mId = 0;
+
+  using ManagerSet = nsTHashSet<RefPtr<CanvasManagerParent>>;
+  static ManagerSet sManagers;
+};
+
+}  // namespace gfx
+}  // namespace mozilla
+
+#endif  // _include_gfx_ipc_CanvasManagerParent_h__