зеркало из https://github.com/mozilla/gecko-dev.git
148 строки
4.4 KiB
C++
148 строки
4.4 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsDOMDataChannel_h
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#define nsDOMDataChannel_h
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#include "mozilla/Attributes.h"
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#include "mozilla/DOMEventTargetHelper.h"
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#include "mozilla/dom/DataChannelBinding.h"
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#include "mozilla/dom/TypedArray.h"
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#include "mozilla/net/DataChannelListener.h"
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#include "nsIDOMDataChannel.h"
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#include "nsIInputStream.h"
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namespace mozilla {
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namespace dom {
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class Blob;
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}
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class DataChannel;
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};
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class nsDOMDataChannel final : public mozilla::DOMEventTargetHelper,
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public nsIDOMDataChannel,
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public mozilla::DataChannelListener
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{
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public:
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nsDOMDataChannel(already_AddRefed<mozilla::DataChannel>& aDataChannel,
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nsPIDOMWindowInner* aWindow);
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nsresult Init(nsPIDOMWindowInner* aDOMWindow);
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_NSIDOMDATACHANNEL
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NS_REALLY_FORWARD_NSIDOMEVENTTARGET(mozilla::DOMEventTargetHelper)
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(nsDOMDataChannel,
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mozilla::DOMEventTargetHelper)
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// EventTarget
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using EventTarget::EventListenerAdded;
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virtual void EventListenerAdded(nsIAtom* aType) override;
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using EventTarget::EventListenerRemoved;
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virtual void EventListenerRemoved(nsIAtom* aType) override;
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virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
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override;
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nsPIDOMWindowInner* GetParentObject() const
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{
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return GetOwner();
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}
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// WebIDL
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// Uses XPIDL GetLabel.
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bool Reliable() const;
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mozilla::dom::RTCDataChannelState ReadyState() const;
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uint32_t BufferedAmount() const;
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uint32_t BufferedAmountLowThreshold() const;
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void SetBufferedAmountLowThreshold(uint32_t aThreshold);
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IMPL_EVENT_HANDLER(open)
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IMPL_EVENT_HANDLER(error)
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IMPL_EVENT_HANDLER(close)
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// Uses XPIDL Close.
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IMPL_EVENT_HANDLER(message)
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IMPL_EVENT_HANDLER(bufferedamountlow)
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mozilla::dom::RTCDataChannelType BinaryType() const
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{
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return static_cast<mozilla::dom::RTCDataChannelType>(
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static_cast<int>(mBinaryType));
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}
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void SetBinaryType(mozilla::dom::RTCDataChannelType aType)
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{
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mBinaryType = static_cast<DataChannelBinaryType>(
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static_cast<int>(aType));
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}
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void Send(const nsAString& aData, mozilla::ErrorResult& aRv);
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void Send(mozilla::dom::Blob& aData, mozilla::ErrorResult& aRv);
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void Send(const mozilla::dom::ArrayBuffer& aData, mozilla::ErrorResult& aRv);
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void Send(const mozilla::dom::ArrayBufferView& aData,
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mozilla::ErrorResult& aRv);
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// Uses XPIDL GetProtocol.
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bool Ordered() const;
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uint16_t Id() const;
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nsresult
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DoOnMessageAvailable(const nsACString& aMessage, bool aBinary);
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virtual nsresult
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OnMessageAvailable(nsISupports* aContext, const nsACString& aMessage) override;
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virtual nsresult
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OnBinaryMessageAvailable(nsISupports* aContext, const nsACString& aMessage) override;
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virtual nsresult OnSimpleEvent(nsISupports* aContext, const nsAString& aName);
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virtual nsresult
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OnChannelConnected(nsISupports* aContext) override;
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virtual nsresult
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OnChannelClosed(nsISupports* aContext) override;
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virtual nsresult
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OnBufferLow(nsISupports* aContext) override;
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virtual nsresult
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NotBuffered(nsISupports* aContext) override;
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virtual void
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AppReady();
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// if there are "strong event listeners" or outgoing not sent messages
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// then this method keeps the object alive when js doesn't have strong
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// references to it.
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void UpdateMustKeepAlive();
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// ATTENTION, when calling this method the object can be released
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// (and possibly collected).
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void DontKeepAliveAnyMore();
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protected:
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~nsDOMDataChannel();
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private:
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void Send(nsIInputStream* aMsgStream, const nsACString& aMsgString,
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uint32_t aMsgLength, bool aIsBinary, mozilla::ErrorResult& aRv);
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// to keep us alive while we have listeners
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RefPtr<nsDOMDataChannel> mSelfRef;
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// Owning reference
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RefPtr<mozilla::DataChannel> mDataChannel;
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nsString mOrigin;
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enum DataChannelBinaryType {
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DC_BINARY_TYPE_ARRAYBUFFER,
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DC_BINARY_TYPE_BLOB,
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};
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DataChannelBinaryType mBinaryType;
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bool mCheckMustKeepAlive;
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bool mSentClose;
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};
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#endif // nsDOMDataChannel_h
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