gecko-dev/dom/workers/WorkerScope.h

462 строки
11 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_workerscope_h__
#define mozilla_dom_workerscope_h__
#include "Workers.h"
#include "mozilla/DOMEventTargetHelper.h"
#include "mozilla/dom/Headers.h"
#include "mozilla/dom/RequestBinding.h"
#include "nsWeakReference.h"
#include "mozilla/dom/ImageBitmapSource.h"
namespace mozilla {
namespace dom {
class AnyCallback;
struct ChannelPixelLayout;
class ClientInfo;
class Clients;
class ClientState;
class Console;
class Crypto;
class Function;
class IDBFactory;
enum class ImageBitmapFormat : uint8_t;
class Performance;
class Promise;
class RequestOrUSVString;
class ServiceWorkerRegistration;
class WorkerLocation;
class WorkerNavigator;
enum class CallerType : uint32_t;
namespace cache {
class CacheStorage;
} // namespace cache
namespace workers {
class WorkerPrivate;
} // namespace workers
class WorkerGlobalScope : public DOMEventTargetHelper,
public nsIGlobalObject,
public nsSupportsWeakReference
{
typedef mozilla::dom::IDBFactory IDBFactory;
RefPtr<Console> mConsole;
RefPtr<Crypto> mCrypto;
RefPtr<WorkerLocation> mLocation;
RefPtr<WorkerNavigator> mNavigator;
RefPtr<Performance> mPerformance;
RefPtr<IDBFactory> mIndexedDB;
RefPtr<cache::CacheStorage> mCacheStorage;
nsCOMPtr<nsISerialEventTarget> mSerialEventTarget;
uint32_t mWindowInteractionsAllowed;
protected:
typedef mozilla::dom::workers::WorkerPrivate WorkerPrivate;
WorkerPrivate* mWorkerPrivate;
explicit WorkerGlobalScope(WorkerPrivate* aWorkerPrivate);
virtual ~WorkerGlobalScope();
public:
virtual JSObject*
WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
virtual bool
WrapGlobalObject(JSContext* aCx, JS::MutableHandle<JSObject*> aReflector) = 0;
virtual JSObject*
GetGlobalJSObject(void) override
{
return GetWrapper();
}
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(WorkerGlobalScope,
DOMEventTargetHelper)
WorkerGlobalScope*
Self()
{
return this;
}
already_AddRefed<Console>
GetConsole(ErrorResult& aRv);
Console*
GetConsoleIfExists() const
{
return mConsole;
}
Crypto*
GetCrypto(ErrorResult& aError);
already_AddRefed<WorkerLocation>
Location();
already_AddRefed<WorkerNavigator>
Navigator();
already_AddRefed<WorkerNavigator>
GetExistingNavigator() const;
OnErrorEventHandlerNonNull*
GetOnerror();
void
SetOnerror(OnErrorEventHandlerNonNull* aHandler);
void
ImportScripts(const Sequence<nsString>& aScriptURLs, ErrorResult& aRv);
int32_t
SetTimeout(JSContext* aCx, Function& aHandler, const int32_t aTimeout,
const Sequence<JS::Value>& aArguments, ErrorResult& aRv);
int32_t
SetTimeout(JSContext* aCx, const nsAString& aHandler, const int32_t aTimeout,
const Sequence<JS::Value>& /* unused */, ErrorResult& aRv);
void
ClearTimeout(int32_t aHandle);
int32_t
SetInterval(JSContext* aCx, Function& aHandler,
const Optional<int32_t>& aTimeout,
const Sequence<JS::Value>& aArguments, ErrorResult& aRv);
int32_t
SetInterval(JSContext* aCx, const nsAString& aHandler,
const Optional<int32_t>& aTimeout,
const Sequence<JS::Value>& /* unused */, ErrorResult& aRv);
void
ClearInterval(int32_t aHandle);
void
GetOrigin(nsAString& aOrigin) const;
void
Atob(const nsAString& aAtob, nsAString& aOutput, ErrorResult& aRv) const;
void
Btoa(const nsAString& aBtoa, nsAString& aOutput, ErrorResult& aRv) const;
IMPL_EVENT_HANDLER(online)
IMPL_EVENT_HANDLER(offline)
void
Dump(const Optional<nsAString>& aString) const;
Performance* GetPerformance();
Performance* GetPerformanceIfExists() const
{
return mPerformance;
}
already_AddRefed<Promise>
Fetch(const RequestOrUSVString& aInput, const RequestInit& aInit,
CallerType aCallerType, ErrorResult& aRv);
already_AddRefed<IDBFactory>
GetIndexedDB(ErrorResult& aErrorResult);
already_AddRefed<cache::CacheStorage>
GetCaches(ErrorResult& aRv);
bool IsSecureContext() const;
already_AddRefed<Promise>
CreateImageBitmap(JSContext* aCx,
const ImageBitmapSource& aImage, ErrorResult& aRv);
already_AddRefed<Promise>
CreateImageBitmap(JSContext* aCx,
const ImageBitmapSource& aImage,
int32_t aSx, int32_t aSy, int32_t aSw, int32_t aSh,
ErrorResult& aRv);
already_AddRefed<mozilla::dom::Promise>
CreateImageBitmap(JSContext* aCx,
const ImageBitmapSource& aImage,
int32_t aOffset, int32_t aLength,
mozilla::dom::ImageBitmapFormat aFormat,
const mozilla::dom::Sequence<mozilla::dom::ChannelPixelLayout>& aLayout,
mozilla::ErrorResult& aRv);
bool
WindowInteractionAllowed() const
{
return mWindowInteractionsAllowed > 0;
}
void
AllowWindowInteraction()
{
mWindowInteractionsAllowed++;
}
void
ConsumeWindowInteraction()
{
MOZ_ASSERT(mWindowInteractionsAllowed > 0);
mWindowInteractionsAllowed--;
}
// Override DispatchTrait API to target the worker thread. Dispatch may
// return failure if the worker thread is not alive.
nsresult
Dispatch(TaskCategory aCategory,
already_AddRefed<nsIRunnable>&& aRunnable) override;
nsISerialEventTarget*
EventTargetFor(TaskCategory aCategory) const override;
AbstractThread*
AbstractMainThreadFor(TaskCategory aCategory) override;
Maybe<ClientInfo>
GetClientInfo() const override;
Maybe<ClientState>
GetClientState() const;
Maybe<ServiceWorkerDescriptor>
GetController() const override;
};
class DedicatedWorkerGlobalScope final : public WorkerGlobalScope
{
const nsString mName;
~DedicatedWorkerGlobalScope() { }
public:
DedicatedWorkerGlobalScope(WorkerPrivate* aWorkerPrivate,
const nsString& aName);
virtual bool
WrapGlobalObject(JSContext* aCx,
JS::MutableHandle<JSObject*> aReflector) override;
void GetName(DOMString& aName) const
{
aName.AsAString() = mName;
}
void
PostMessage(JSContext* aCx, JS::Handle<JS::Value> aMessage,
const Sequence<JSObject*>& aTransferable,
ErrorResult& aRv);
void
Close(JSContext* aCx);
IMPL_EVENT_HANDLER(message)
IMPL_EVENT_HANDLER(messageerror)
};
class SharedWorkerGlobalScope final : public WorkerGlobalScope
{
const nsString mName;
~SharedWorkerGlobalScope() { }
public:
SharedWorkerGlobalScope(WorkerPrivate* aWorkerPrivate,
const nsString& aName);
virtual bool
WrapGlobalObject(JSContext* aCx,
JS::MutableHandle<JSObject*> aReflector) override;
void GetName(DOMString& aName) const
{
aName.AsAString() = mName;
}
void
Close(JSContext* aCx);
IMPL_EVENT_HANDLER(connect)
};
class ServiceWorkerGlobalScope final : public WorkerGlobalScope
{
const nsString mScope;
RefPtr<Clients> mClients;
RefPtr<ServiceWorkerRegistration> mRegistration;
~ServiceWorkerGlobalScope();
public:
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(ServiceWorkerGlobalScope,
WorkerGlobalScope)
IMPL_EVENT_HANDLER(notificationclick)
IMPL_EVENT_HANDLER(notificationclose)
ServiceWorkerGlobalScope(WorkerPrivate* aWorkerPrivate, const nsACString& aScope);
virtual bool
WrapGlobalObject(JSContext* aCx,
JS::MutableHandle<JSObject*> aReflector) override;
void
GetScope(nsString& aScope) const
{
aScope = mScope;
}
already_AddRefed<Clients>
GetClients();
ServiceWorkerRegistration*
Registration();
already_AddRefed<Promise>
SkipWaiting(ErrorResult& aRv);
IMPL_EVENT_HANDLER(activate)
IMPL_EVENT_HANDLER(install)
IMPL_EVENT_HANDLER(message)
IMPL_EVENT_HANDLER(push)
IMPL_EVENT_HANDLER(pushsubscriptionchange)
EventHandlerNonNull*
GetOnfetch();
void
SetOnfetch(mozilla::dom::EventHandlerNonNull* aCallback);
using DOMEventTargetHelper::AddEventListener;
virtual void
AddEventListener(const nsAString& aType,
dom::EventListener* aListener,
const dom::AddEventListenerOptionsOrBoolean& aOptions,
const dom::Nullable<bool>& aWantsUntrusted,
ErrorResult& aRv) override;
};
class WorkerDebuggerGlobalScope final : public DOMEventTargetHelper,
public nsIGlobalObject
{
typedef mozilla::dom::workers::WorkerPrivate WorkerPrivate;
WorkerPrivate* mWorkerPrivate;
RefPtr<Console> mConsole;
nsCOMPtr<nsISerialEventTarget> mSerialEventTarget;
public:
explicit WorkerDebuggerGlobalScope(WorkerPrivate* aWorkerPrivate);
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(WorkerDebuggerGlobalScope,
DOMEventTargetHelper)
virtual JSObject*
WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override
{
MOZ_CRASH("Shouldn't get here!");
}
virtual bool
WrapGlobalObject(JSContext* aCx,
JS::MutableHandle<JSObject*> aReflector);
virtual JSObject*
GetGlobalJSObject(void) override
{
return GetWrapper();
}
void
GetGlobal(JSContext* aCx, JS::MutableHandle<JSObject*> aGlobal,
ErrorResult& aRv);
void
CreateSandbox(JSContext* aCx, const nsAString& aName,
JS::Handle<JSObject*> aPrototype,
JS::MutableHandle<JSObject*> aResult,
ErrorResult& aRv);
void
LoadSubScript(JSContext* aCx, const nsAString& aURL,
const Optional<JS::Handle<JSObject*>>& aSandbox,
ErrorResult& aRv);
void
EnterEventLoop();
void
LeaveEventLoop();
void
PostMessage(const nsAString& aMessage);
IMPL_EVENT_HANDLER(message)
IMPL_EVENT_HANDLER(messageerror)
void
SetImmediate(Function& aHandler, ErrorResult& aRv);
void
ReportError(JSContext* aCx, const nsAString& aMessage);
void
RetrieveConsoleEvents(JSContext* aCx, nsTArray<JS::Value>& aEvents,
ErrorResult& aRv);
void
SetConsoleEventHandler(JSContext* aCx, AnyCallback* aHandler,
ErrorResult& aRv);
already_AddRefed<Console>
GetConsole(ErrorResult& aRv);
Console*
GetConsoleIfExists() const
{
return mConsole;
}
void
Dump(JSContext* aCx, const Optional<nsAString>& aString) const;
// Override DispatchTrait API to target the worker thread. Dispatch may
// return failure if the worker thread is not alive.
nsresult
Dispatch(TaskCategory aCategory,
already_AddRefed<nsIRunnable>&& aRunnable) override;
nsISerialEventTarget*
EventTargetFor(TaskCategory aCategory) const override;
AbstractThread*
AbstractMainThreadFor(TaskCategory aCategory) override;
private:
virtual ~WorkerDebuggerGlobalScope();
};
} // namespace dom
} // namespace mozilla
inline nsISupports*
ToSupports(mozilla::dom::WorkerGlobalScope* aScope)
{
return static_cast<nsIDOMEventTarget*>(aScope);
}
#endif /* mozilla_dom_workerscope_h__ */