WebTransportSendStream.h (1900B)
1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */ 3 /* This Source Code Form is subject to the terms of the Mozilla Public 4 * License, v. 2.0. If a copy of the MPL was not distributed with this 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 6 7 #ifndef DOM_WEBTRANSPORT_API_WEBTRANSPORTSENDSTREAM__H_ 8 #define DOM_WEBTRANSPORT_API_WEBTRANSPORTSENDSTREAM__H_ 9 10 #include "mozilla/dom/WritableStream.h" 11 12 namespace mozilla::ipc { 13 class DataPipeSender; 14 } 15 16 namespace mozilla::dom { 17 18 class WebTransport; 19 20 class WebTransportSendStream final : public WritableStream { 21 public: 22 NS_DECL_ISUPPORTS_INHERITED 23 NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(WebTransportSendStream, 24 WritableStream) 25 26 WebTransportSendStream(nsIGlobalObject* aGlobal, WebTransport* aTransport); 27 28 static already_AddRefed<WebTransportSendStream> Create( 29 WebTransport* aWebTransport, nsIGlobalObject* aGlobal, uint64_t aStreamId, 30 mozilla::ipc::DataPipeSender* aSender, Maybe<int64_t> aSendOrder, 31 ErrorResult& aRv); 32 33 // WebIDL Boilerplate 34 JSObject* WrapObject(JSContext* aCx, 35 JS::Handle<JSObject*> aGivenProto) override; 36 37 // WebIDL Interface 38 Nullable<int64_t> GetSendOrder() { return mSendOrder; } 39 40 void SetSendOrder(Nullable<int64_t> aSendOrder); 41 42 already_AddRefed<Promise> GetStats(); 43 44 private: 45 ~WebTransportSendStream() override { mozilla::DropJSObjects(this); }; 46 47 // We must hold a reference to the WebTransport so it can't go away on 48 // us. This forms a cycle with WebTransport that will be broken when the 49 // CC runs. WebTransport::CleanUp() will destroy all the send and receive 50 // streams, breaking the cycle. 51 RefPtr<WebTransport> mTransport; 52 uint64_t mStreamId; 53 Nullable<int64_t> mSendOrder; 54 }; 55 } // namespace mozilla::dom 56 57 #endif