gecko-dev/dom/base/PlacesWeakCallbackWrapper.cpp

47 строки
1.8 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/PlacesWeakCallbackWrapper.h"
#include "mozilla/HoldDropJSObjects.h"
#include "mozilla/dom/ContentProcessMessageManager.h"
namespace mozilla {
namespace dom {
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_WEAK_PTR(PlacesWeakCallbackWrapper,
mParent, mCallback)
NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(PlacesWeakCallbackWrapper, AddRef)
NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(PlacesWeakCallbackWrapper, Release)
PlacesWeakCallbackWrapper::PlacesWeakCallbackWrapper(
nsISupports* aParent, PlacesEventCallback& aCallback)
: mParent(do_GetWeakReference(aParent)), mCallback(&aCallback) {}
already_AddRefed<PlacesWeakCallbackWrapper>
PlacesWeakCallbackWrapper::Constructor(const GlobalObject& aGlobal,
PlacesEventCallback& aCallback) {
nsCOMPtr<nsISupports> parent = aGlobal.GetAsSupports();
RefPtr<PlacesWeakCallbackWrapper> wrapper =
new PlacesWeakCallbackWrapper(parent, aCallback);
return wrapper.forget();
}
PlacesWeakCallbackWrapper::~PlacesWeakCallbackWrapper() = default;
nsISupports* PlacesWeakCallbackWrapper::GetParentObject() const {
nsCOMPtr<nsISupports> parent = do_QueryReferent(mParent);
return parent;
}
JSObject* PlacesWeakCallbackWrapper::WrapObject(
JSContext* aCx, JS::Handle<JSObject*> aGivenProto) {
return PlacesWeakCallbackWrapper_Binding::Wrap(aCx, this, aGivenProto);
}
} // namespace dom
} // namespace mozilla