зеркало из https://github.com/mozilla/gecko-dev.git
110 строки
3.0 KiB
C++
110 строки
3.0 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_worklet_WorkletImpl_h
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#define mozilla_dom_worklet_WorkletImpl_h
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#include "MainThreadUtils.h"
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#include "mozilla/Maybe.h"
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#include "mozilla/OriginAttributes.h"
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#include "mozilla/ipc/PBackgroundSharedTypes.h"
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class nsPIDOMWindowInner;
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class nsIPrincipal;
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class nsIRunnable;
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namespace mozilla {
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namespace dom {
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class Worklet;
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class WorkletGlobalScope;
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class WorkletThread;
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} // namespace dom
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class WorkletLoadInfo {
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public:
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explicit WorkletLoadInfo(nsPIDOMWindowInner* aWindow);
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uint64_t OuterWindowID() const { return mOuterWindowID; }
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uint64_t InnerWindowID() const { return mInnerWindowID; }
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private:
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// Modified only in constructor.
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uint64_t mOuterWindowID;
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const uint64_t mInnerWindowID;
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};
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/**
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* WorkletImpl is accessed from both the worklet's parent thread (on which the
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* Worklet object lives) and the worklet's execution thread. It is owned by
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* Worklet and WorkletGlobalScope. No parent thread cycle collected objects
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* are owned indefinitely by WorkletImpl because WorkletImpl is not cycle
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* collected.
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*/
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class WorkletImpl {
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public:
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NS_INLINE_DECL_THREADSAFE_REFCOUNTING(WorkletImpl);
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// Methods for parent thread only:
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virtual JSObject* WrapWorklet(JSContext* aCx, dom::Worklet* aWorklet,
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JS::Handle<JSObject*> aGivenProto);
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virtual nsresult SendControlMessage(already_AddRefed<nsIRunnable> aRunnable);
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nsIPrincipal* Principal() const {
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MOZ_ASSERT(NS_IsMainThread());
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return mPrincipal;
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}
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void NotifyWorkletFinished();
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// Execution thread only.
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dom::WorkletGlobalScope* GetGlobalScope();
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// Any thread.
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const WorkletLoadInfo& LoadInfo() const { return mWorkletLoadInfo; }
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const OriginAttributes& OriginAttributesRef() const {
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return mPrincipalInfo.get_NullPrincipalInfo().attrs();
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}
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const ipc::PrincipalInfo& PrincipalInfo() const { return mPrincipalInfo; }
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const Maybe<nsID>& GetAgentClusterId() const { return mAgentClusterId; }
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bool IsSharedMemoryAllowed() const { return mSharedMemoryAllowed; }
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protected:
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WorkletImpl(nsPIDOMWindowInner* aWindow, nsIPrincipal* aPrincipal);
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virtual ~WorkletImpl();
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virtual already_AddRefed<dom::WorkletGlobalScope> ConstructGlobalScope() = 0;
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// Modified only in constructor.
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ipc::PrincipalInfo mPrincipalInfo;
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// Accessed on only worklet parent thread.
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nsCOMPtr<nsIPrincipal> mPrincipal;
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const WorkletLoadInfo mWorkletLoadInfo;
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// Parent thread only.
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RefPtr<dom::WorkletThread> mWorkletThread;
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bool mTerminated;
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// Execution thread only.
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RefPtr<dom::WorkletGlobalScope> mGlobalScope;
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Maybe<nsID> mAgentClusterId;
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bool mSharedMemoryAllowed;
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};
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} // namespace mozilla
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#endif // mozilla_dom_worklet_WorkletImpl_h
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