gecko-dev/dom/events/PaintRequest.cpp
Emilio Cobos Álvarez 6fb72d4a3f Bug 1754579 - Don't keep so much alive when returning DOMRects & co. r=smaug
We keep the parent alive for wrapping. It's unnecessary to keep alive
the individual element / range / etc. Pass the relevant global /
document.

Differential Revision: https://phabricator.services.mozilla.com/D138357
2022-02-10 00:38:45 +00:00

61 lines
2.1 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/. */
#include "mozilla/dom/PaintRequest.h"
#include "mozilla/dom/PaintRequestBinding.h"
#include "mozilla/dom/PaintRequestListBinding.h"
#include "mozilla/dom/DOMRect.h"
namespace mozilla::dom {
/******************************************************************************
* mozilla::dom::PaintRequest
*****************************************************************************/
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(PaintRequest, mParent)
NS_INTERFACE_TABLE_HEAD(PaintRequest)
NS_WRAPPERCACHE_INTERFACE_TABLE_ENTRY
NS_INTERFACE_TABLE_TO_MAP_SEGUE_CYCLE_COLLECTION(PaintRequest)
NS_INTERFACE_MAP_END
NS_IMPL_CYCLE_COLLECTING_ADDREF(PaintRequest)
NS_IMPL_CYCLE_COLLECTING_RELEASE(PaintRequest)
/* virtual */
JSObject* PaintRequest::WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return PaintRequest_Binding::Wrap(aCx, this, aGivenProto);
}
already_AddRefed<DOMRect> PaintRequest::ClientRect() {
RefPtr<DOMRect> clientRect = new DOMRect(mParent);
clientRect->SetLayoutRect(mRequest);
return clientRect.forget();
}
/******************************************************************************
* mozilla::dom::PaintRequestList
*****************************************************************************/
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(PaintRequestList, mParent)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(PaintRequestList)
NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_END
NS_IMPL_CYCLE_COLLECTING_ADDREF(PaintRequestList)
NS_IMPL_CYCLE_COLLECTING_RELEASE(PaintRequestList)
JSObject* PaintRequestList::WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return PaintRequestList_Binding::Wrap(aCx, this, aGivenProto);
}
} // namespace mozilla::dom