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/* -*- 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_serviceworkerevents_h__
#define mozilla_dom_serviceworkerevents_h__
#include "mozilla/Attributes.h"
#include "mozilla/dom/Event.h"
#include "mozilla/dom/ExtendableEventBinding.h"
#include "mozilla/dom/ExtendableMessageEventBinding.h"
#include "mozilla/dom/FetchEventBinding.h"
#include "mozilla/dom/File.h"
#include "mozilla/dom/Promise.h"
#include "mozilla/dom/Response.h"
#include "mozilla/dom/WorkerCommon.h"
#include "nsProxyRelease.h"
#include "nsContentUtils.h"
class nsIInterceptedChannel;
namespace mozilla {
namespace dom {
class Blob;
class Client;
class FetchEventOp;
class MessagePort;
struct PushEventInit;
class Request;
class ResponseOrPromise;
class ServiceWorker;
class ServiceWorkerRegistrationInfo;
// Defined in ServiceWorker.cpp
bool ServiceWorkerVisible(JSContext* aCx, JSObject* aObj);
class CancelChannelRunnable final : public Runnable {
nsMainThreadPtrHandle<nsIInterceptedChannel> mChannel;
nsMainThreadPtrHandle<ServiceWorkerRegistrationInfo> mRegistration;
const nsresult mStatus;
public:
CancelChannelRunnable(
nsMainThreadPtrHandle<nsIInterceptedChannel>& aChannel,
nsMainThreadPtrHandle<ServiceWorkerRegistrationInfo>& aRegistration,
nsresult aStatus);
NS_IMETHOD Run() override;
};
enum ExtendableEventResult { Rejected = 0, Resolved };
class ExtendableEventCallback {
public:
virtual void FinishedWithResult(ExtendableEventResult aResult) = 0;
NS_INLINE_DECL_PURE_VIRTUAL_REFCOUNTING
};
class ExtendableEvent : public Event {
public:
class ExtensionsHandler {
friend class ExtendableEvent;
public:
virtual bool WaitOnPromise(Promise& aPromise) = 0;
NS_INLINE_DECL_PURE_VIRTUAL_REFCOUNTING
protected:
virtual ~ExtensionsHandler();
// Also returns false if the owning ExtendableEvent is destroyed.
bool GetDispatchFlag() const;
private:
// Only the owning ExtendableEvent is allowed to set this data.
void SetExtendableEvent(const ExtendableEvent* const aExtendableEvent);
MOZ_NON_OWNING_REF const ExtendableEvent* mExtendableEvent = nullptr;
};
private:
RefPtr<ExtensionsHandler> mExtensionsHandler;
protected:
bool GetDispatchFlag() const { return mEvent->mFlags.mIsBeingDispatched; }
bool WaitOnPromise(Promise& aPromise);
explicit ExtendableEvent(mozilla::dom::EventTarget* aOwner);
~ExtendableEvent() {
if (mExtensionsHandler) {
mExtensionsHandler->SetExtendableEvent(nullptr);
}
};
public:
NS_DECL_ISUPPORTS_INHERITED
void SetKeepAliveHandler(ExtensionsHandler* aExtensionsHandler);
virtual JSObject* WrapObjectInternal(
JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override {
return mozilla::dom::ExtendableEvent_Binding::Wrap(aCx, this, aGivenProto);
}
static already_AddRefed<ExtendableEvent> Constructor(
mozilla::dom::EventTarget* aOwner, const nsAString& aType,
const EventInit& aOptions) {
RefPtr<ExtendableEvent> e = new ExtendableEvent(aOwner);
bool trusted = e->Init(aOwner);
e->InitEvent(aType, aOptions.mBubbles, aOptions.mCancelable);
e->SetTrusted(trusted);
e->SetComposed(aOptions.mComposed);
return e.forget();
}
static already_AddRefed<ExtendableEvent> Constructor(
const GlobalObject& aGlobal, const nsAString& aType,
const EventInit& aOptions) {
nsCOMPtr<EventTarget> target = do_QueryInterface(aGlobal.GetAsSupports());
return Constructor(target, aType, aOptions);
}
void WaitUntil(JSContext* aCx, Promise& aPromise, ErrorResult& aRv);
virtual ExtendableEvent* AsExtendableEvent() override { return this; }
};
class FetchEvent final : public ExtendableEvent {
RefPtr<FetchEventOp> mRespondWithHandler;
nsMainThreadPtrHandle<nsIInterceptedChannel> mChannel;
nsMainThreadPtrHandle<ServiceWorkerRegistrationInfo> mRegistration;
RefPtr<Request> mRequest;
nsCString mScriptSpec;
nsCString mPreventDefaultScriptSpec;
nsString mClientId;
nsString mResultingClientId;
uint32_t mPreventDefaultLineNumber;
uint32_t mPreventDefaultColumnNumber;
bool mWaitToRespond;
protected:
explicit FetchEvent(EventTarget* aOwner);
~FetchEvent();
public:
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(FetchEvent, ExtendableEvent)
virtual JSObject* WrapObjectInternal(
JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override {
return FetchEvent_Binding::Wrap(aCx, this, aGivenProto);
}
void PostInit(
nsMainThreadPtrHandle<nsIInterceptedChannel>& aChannel,
nsMainThreadPtrHandle<ServiceWorkerRegistrationInfo>& aRegistration,
const nsACString& aScriptSpec);
void PostInit(const nsACString& aScriptSpec,
RefPtr<FetchEventOp> aRespondWithHandler);
static already_AddRefed<FetchEvent> Constructor(
const GlobalObject& aGlobal, const nsAString& aType,
const FetchEventInit& aOptions);
bool WaitToRespond() const { return mWaitToRespond; }
Request* Request_() const {
MOZ_ASSERT(mRequest);
return mRequest;
}
void GetClientId(nsAString& aClientId) const { aClientId = mClientId; }
void GetResultingClientId(nsAString& aResultingClientId) const {
aResultingClientId = mResultingClientId;
}
void RespondWith(JSContext* aCx, Promise& aArg, ErrorResult& aRv);
// Pull in the Event version of PreventDefault so we don't get
// shadowing warnings.
using Event::PreventDefault;
void PreventDefault(JSContext* aCx, CallerType aCallerType) override;
void ReportCanceled();
};
class PushMessageData final : public nsISupports, public nsWrapperCache {
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(PushMessageData)
virtual JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
nsIGlobalObject* GetParentObject() const { return mOwner; }
void Json(JSContext* cx, JS::MutableHandle<JS::Value> aRetval,
ErrorResult& aRv);
void Text(nsAString& aData);
void ArrayBuffer(JSContext* cx, JS::MutableHandle<JSObject*> aRetval,
ErrorResult& aRv);
already_AddRefed<mozilla::dom::Blob> Blob(ErrorResult& aRv);
PushMessageData(nsIGlobalObject* aOwner, nsTArray<uint8_t>&& aBytes);
private:
nsCOMPtr<nsIGlobalObject> mOwner;
nsTArray<uint8_t> mBytes;
nsString mDecodedText;
~PushMessageData();
nsresult EnsureDecodedText();
uint8_t* GetContentsCopy();
};
class PushEvent final : public ExtendableEvent {
RefPtr<PushMessageData> mData;
protected:
explicit PushEvent(mozilla::dom::EventTarget* aOwner);
~PushEvent() = default;
public:
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(PushEvent, ExtendableEvent)
virtual JSObject* WrapObjectInternal(
JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
static already_AddRefed<PushEvent> Constructor(
mozilla::dom::EventTarget* aOwner, const nsAString& aType,
const PushEventInit& aOptions, ErrorResult& aRv);
static already_AddRefed<PushEvent> Constructor(const GlobalObject& aGlobal,
const nsAString& aType,
const PushEventInit& aOptions,
ErrorResult& aRv) {
nsCOMPtr<EventTarget> owner = do_QueryInterface(aGlobal.GetAsSupports());
return Constructor(owner, aType, aOptions, aRv);
}
PushMessageData* GetData() const { return mData; }
};
class ExtendableMessageEvent final : public ExtendableEvent {
JS::Heap<JS::Value> mData;
nsString mOrigin;
nsString mLastEventId;
RefPtr<Client> mClient;
RefPtr<ServiceWorker> mServiceWorker;
RefPtr<MessagePort> mMessagePort;
nsTArray<RefPtr<MessagePort>> mPorts;
protected:
explicit ExtendableMessageEvent(EventTarget* aOwner);
~ExtendableMessageEvent();
public:
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(ExtendableMessageEvent,
ExtendableEvent)
virtual JSObject* WrapObjectInternal(
JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override {
return mozilla::dom::ExtendableMessageEvent_Binding::Wrap(aCx, this,
aGivenProto);
}
static already_AddRefed<ExtendableMessageEvent> Constructor(
mozilla::dom::EventTarget* aOwner, const nsAString& aType,
const ExtendableMessageEventInit& aOptions);
static already_AddRefed<ExtendableMessageEvent> Constructor(
const GlobalObject& aGlobal, const nsAString& aType,
const ExtendableMessageEventInit& aOptions);
void GetData(JSContext* aCx, JS::MutableHandle<JS::Value> aData,
ErrorResult& aRv);
void GetSource(
Nullable<OwningClientOrServiceWorkerOrMessagePort>& aValue) const;
void GetOrigin(nsAString& aOrigin) const { aOrigin = mOrigin; }
void GetLastEventId(nsAString& aLastEventId) const {
aLastEventId = mLastEventId;
}
void GetPorts(nsTArray<RefPtr<MessagePort>>& aPorts);
};
} // namespace dom
} // namespace mozilla
#endif /* mozilla_dom_serviceworkerevents_h__ */