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-rw-r--r--dom/base/nsDOMDataChannel.h130
1 files changed, 130 insertions, 0 deletions
diff --git a/dom/base/nsDOMDataChannel.h b/dom/base/nsDOMDataChannel.h
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+++ b/dom/base/nsDOMDataChannel.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 nsDOMDataChannel_h
+#define nsDOMDataChannel_h
+
+#include "mozilla/Attributes.h"
+#include "mozilla/DOMEventTargetHelper.h"
+#include "mozilla/dom/RTCDataChannelBinding.h"
+#include "mozilla/dom/TypedArray.h"
+#include "mozilla/net/DataChannelListener.h"
+
+namespace mozilla {
+namespace dom {
+class Blob;
+}
+
+class DataChannel;
+}; // namespace mozilla
+
+class nsDOMDataChannel final : public mozilla::DOMEventTargetHelper,
+ public mozilla::DataChannelListener {
+ public:
+ nsDOMDataChannel(already_AddRefed<mozilla::DataChannel>& aDataChannel,
+ nsPIDOMWindowInner* aWindow);
+
+ nsresult Init(nsPIDOMWindowInner* aDOMWindow);
+
+ NS_DECL_ISUPPORTS_INHERITED
+
+ NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(nsDOMDataChannel,
+ mozilla::DOMEventTargetHelper)
+
+ // EventTarget
+ using EventTarget::EventListenerAdded;
+ virtual void EventListenerAdded(nsAtom* aType) override;
+
+ using EventTarget::EventListenerRemoved;
+ virtual void EventListenerRemoved(nsAtom* aType) override;
+
+ virtual JSObject* WrapObject(JSContext* aCx,
+ JS::Handle<JSObject*> aGivenProto) override;
+ nsPIDOMWindowInner* GetParentObject() const { return GetOwner(); }
+
+ // WebIDL
+ void GetLabel(nsAString& aLabel);
+ void GetProtocol(nsAString& aProtocol);
+ bool Reliable() const;
+ mozilla::dom::Nullable<uint16_t> GetMaxPacketLifeTime() const;
+ mozilla::dom::Nullable<uint16_t> GetMaxRetransmits() const;
+ mozilla::dom::RTCDataChannelState ReadyState() const;
+ uint32_t BufferedAmount() const;
+ uint32_t BufferedAmountLowThreshold() const;
+ void SetBufferedAmountLowThreshold(uint32_t aThreshold);
+ IMPL_EVENT_HANDLER(open)
+ IMPL_EVENT_HANDLER(error)
+ IMPL_EVENT_HANDLER(close)
+ void Close();
+ IMPL_EVENT_HANDLER(message)
+ IMPL_EVENT_HANDLER(bufferedamountlow)
+ mozilla::dom::RTCDataChannelType BinaryType() const {
+ return static_cast<mozilla::dom::RTCDataChannelType>(
+ static_cast<int>(mBinaryType));
+ }
+ void SetBinaryType(mozilla::dom::RTCDataChannelType aType) {
+ mBinaryType = static_cast<DataChannelBinaryType>(static_cast<int>(aType));
+ }
+ void Send(const nsAString& aData, mozilla::ErrorResult& aRv);
+ void Send(mozilla::dom::Blob& aData, mozilla::ErrorResult& aRv);
+ void Send(const mozilla::dom::ArrayBuffer& aData, mozilla::ErrorResult& aRv);
+ void Send(const mozilla::dom::ArrayBufferView& aData,
+ mozilla::ErrorResult& aRv);
+
+ bool Negotiated() const;
+ bool Ordered() const;
+ mozilla::dom::Nullable<uint16_t> GetId() const;
+
+ nsresult DoOnMessageAvailable(const nsACString& aMessage, bool aBinary);
+
+ virtual nsresult OnMessageAvailable(nsISupports* aContext,
+ const nsACString& aMessage) override;
+
+ virtual nsresult OnBinaryMessageAvailable(
+ nsISupports* aContext, const nsACString& aMessage) override;
+
+ virtual nsresult OnSimpleEvent(nsISupports* aContext, const nsAString& aName);
+
+ virtual nsresult OnChannelConnected(nsISupports* aContext) override;
+
+ virtual nsresult OnChannelClosed(nsISupports* aContext) override;
+
+ virtual nsresult OnBufferLow(nsISupports* aContext) override;
+
+ virtual nsresult NotBuffered(nsISupports* aContext) override;
+
+ // if there are "strong event listeners" or outgoing not sent messages
+ // then this method keeps the object alive when js doesn't have strong
+ // references to it.
+ void UpdateMustKeepAlive();
+ // ATTENTION, when calling this method the object can be released
+ // (and possibly collected).
+ void DontKeepAliveAnyMore();
+
+ protected:
+ ~nsDOMDataChannel();
+
+ private:
+ void Send(mozilla::dom::Blob* aMsgBlob, const nsACString* aMsgString,
+ bool aIsBinary, mozilla::ErrorResult& aRv);
+
+ void ReleaseSelf();
+
+ // to keep us alive while we have listeners
+ RefPtr<nsDOMDataChannel> mSelfRef;
+ // Owning reference
+ RefPtr<mozilla::DataChannel> mDataChannel;
+ nsString mOrigin;
+ enum DataChannelBinaryType {
+ DC_BINARY_TYPE_ARRAYBUFFER,
+ DC_BINARY_TYPE_BLOB,
+ };
+ DataChannelBinaryType mBinaryType;
+ bool mCheckMustKeepAlive;
+ bool mSentClose;
+};
+
+#endif // nsDOMDataChannel_h