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-rw-r--r--dom/serviceworkers/ServiceWorkerEvents.h308
1 files changed, 308 insertions, 0 deletions
diff --git a/dom/serviceworkers/ServiceWorkerEvents.h b/dom/serviceworkers/ServiceWorkerEvents.h
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+++ b/dom/serviceworkers/ServiceWorkerEvents.h
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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;
+ RefPtr<Promise> mHandled;
+ 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;
+ }
+
+ Promise* Handled() const { return mHandled; }
+
+ 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__ */
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