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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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
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