gecko-dev/dom/worklet/Worklet.h

137 строки
3.0 KiB
C++

/* -*- 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 mozilla_dom_Worklet_h
#define mozilla_dom_Worklet_h
#include "mozilla/Attributes.h"
#include "mozilla/BasePrincipal.h"
#include "mozilla/ErrorResult.h"
#include "nsRefPtrHashtable.h"
#include "nsWrapperCache.h"
#include "nsCOMPtr.h"
class nsPIDOMWindowInner;
class nsIPrincipal;
namespace mozilla {
namespace dom {
class Promise;
class Worklet;
class WorkletFetchHandler;
class WorkletGlobalScope;
struct WorkletOptions;
class WorkletThread;
enum class CallerType : uint32_t;
class WorkletLoadInfo
{
public:
WorkletLoadInfo(nsPIDOMWindowInner* aWindow, nsIPrincipal* aPrincipal);
~WorkletLoadInfo();
uint64_t OuterWindowID() const { return mOuterWindowID; }
uint64_t InnerWindowID() const { return mInnerWindowID; }
bool DumpEnabled() const { return mDumpEnabled; }
const OriginAttributes& OriginAttributesRef() const
{
return mOriginAttributes;
}
nsIPrincipal* Principal() const
{
MOZ_ASSERT(NS_IsMainThread());
return mPrincipal;
}
private:
uint64_t mOuterWindowID;
uint64_t mInnerWindowID;
bool mDumpEnabled;
OriginAttributes mOriginAttributes;
nsCOMPtr<nsIPrincipal> mPrincipal;
friend class Worklet;
friend class WorkletThread;
};
class Worklet final : public nsISupports
, public nsWrapperCache
{
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(Worklet)
enum WorkletType {
eAudioWorklet,
ePaintWorklet,
};
Worklet(nsPIDOMWindowInner* aWindow, nsIPrincipal* aPrincipal,
WorkletType aWorkletType);
nsPIDOMWindowInner* GetParentObject() const
{
return mWindow;
}
virtual JSObject*
WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
already_AddRefed<Promise>
AddModule(const nsAString& aModuleURL,
const WorkletOptions& aOptions,
CallerType aCallerType, ErrorResult& aRv);
WorkletType Type() const
{
return mWorkletType;
}
static already_AddRefed<WorkletGlobalScope>
CreateGlobalScope(JSContext* aCx, WorkletType aWorkletType);
WorkletThread*
GetOrCreateThread();
const WorkletLoadInfo&
LoadInfo() const
{
return mWorkletLoadInfo;
}
private:
~Worklet();
WorkletFetchHandler*
GetImportFetchHandler(const nsACString& aURI);
void
AddImportFetchHandler(const nsACString& aURI, WorkletFetchHandler* aHandler);
void
TerminateThread();
nsCOMPtr<nsPIDOMWindowInner> mWindow;
WorkletType mWorkletType;
nsRefPtrHashtable<nsCStringHashKey, WorkletFetchHandler> mImportHandlers;
RefPtr<WorkletThread> mWorkletThread;
WorkletLoadInfo mWorkletLoadInfo;
friend class WorkletFetchHandler;
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_Worklet_h