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-rw-r--r--dom/base/nsDOMDataChannel.h144
1 files changed, 144 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/DataChannelBinding.h"
+#include "mozilla/dom/TypedArray.h"
+#include "mozilla/net/DataChannelListener.h"
+#include "nsIDOMDataChannel.h"
+#include "nsIInputStream.h"
+
+
+namespace mozilla {
+namespace dom {
+class Blob;
+}
+
+class DataChannel;
+};
+
+class nsDOMDataChannel final : public mozilla::DOMEventTargetHelper,
+ public nsIDOMDataChannel,
+ public mozilla::DataChannelListener
+{
+public:
+ nsDOMDataChannel(already_AddRefed<mozilla::DataChannel>& aDataChannel,
+ nsPIDOMWindowInner* aWindow);
+
+ nsresult Init(nsPIDOMWindowInner* aDOMWindow);
+
+ NS_DECL_ISUPPORTS_INHERITED
+ NS_DECL_NSIDOMDATACHANNEL
+
+ NS_REALLY_FORWARD_NSIDOMEVENTTARGET(mozilla::DOMEventTargetHelper)
+
+ NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(nsDOMDataChannel,
+ mozilla::DOMEventTargetHelper)
+
+ // EventTarget
+ virtual void EventListenerAdded(nsIAtom* aType) override;
+ virtual void EventListenerRemoved(nsIAtom* aType) override;
+
+ virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
+ override;
+ nsPIDOMWindowInner* GetParentObject() const
+ {
+ return GetOwner();
+ }
+
+ // WebIDL
+ // Uses XPIDL GetLabel.
+ bool Reliable() 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)
+ // Uses XPIDL 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);
+
+ // Uses XPIDL GetProtocol.
+ bool Ordered() const;
+ uint16_t Id() 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;
+
+ virtual void
+ AppReady();
+
+ // 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(nsIInputStream* aMsgStream, const nsACString& aMsgString,
+ uint32_t aMsgLength, bool aIsBinary, mozilla::ErrorResult& aRv);
+
+ // 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