gecko-dev/dom/messagechannel/MessagePortList.h

79 строки
1.7 KiB
C++

/* -*- 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 mozilla_dom_MessagePortList_h
#define mozilla_dom_MessagePortList_h
#include "mozilla/Attributes.h"
#include "mozilla/ErrorResult.h"
#include "nsCycleCollectionParticipant.h"
#include "mozilla/dom/MessagePort.h"
#include "nsWrapperCache.h"
#include "nsAutoPtr.h"
#include "nsTArray.h"
namespace mozilla {
namespace dom {
class MessagePortList final : public nsISupports
, public nsWrapperCache
{
~MessagePortList() {}
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(MessagePortList)
public:
MessagePortList(nsISupports* aOwner,
const nsTArray<RefPtr<MessagePort>>& aPorts)
: mOwner(aOwner)
, mPorts(aPorts)
{
}
nsISupports*
GetParentObject() const
{
return mOwner;
}
virtual JSObject*
WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
uint32_t
Length() const
{
return mPorts.Length();
}
MessagePort*
Item(uint32_t aIndex)
{
return mPorts.SafeElementAt(aIndex);
}
MessagePort*
IndexedGetter(uint32_t aIndex, bool &aFound)
{
aFound = aIndex < mPorts.Length();
if (!aFound) {
return nullptr;
}
return mPorts[aIndex];
}
private:
nsCOMPtr<nsISupports> mOwner;
nsTArray<RefPtr<MessagePort>> mPorts;
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_MessagePortList_h