/* -*- 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 "nsDOMCaretPosition.h" #include "mozilla/dom/CaretPositionBinding.h" #include "mozilla/dom/DOMRect.h" #include "nsRange.h" using namespace mozilla::dom; nsDOMCaretPosition::nsDOMCaretPosition(nsINode* aNode, uint32_t aOffset) : mOffset(aOffset), mOffsetNode(aNode), mAnonymousContentNode(nullptr) { } nsDOMCaretPosition::~nsDOMCaretPosition() { } nsINode* nsDOMCaretPosition::GetOffsetNode() const { return mOffsetNode; } already_AddRefed<DOMRect> nsDOMCaretPosition::GetClientRect() const { if (!mOffsetNode) { return nullptr; } RefPtr<DOMRect> rect; RefPtr<nsRange> domRange; nsCOMPtr<nsINode> node; if (mAnonymousContentNode) { node = mAnonymousContentNode; } else { node = mOffsetNode; } nsresult creationRv = nsRange::CreateRange(node, mOffset, node, mOffset, getter_AddRefs<nsRange>(domRange)); if (!NS_SUCCEEDED(creationRv)) { return nullptr; } NS_ASSERTION(domRange, "unable to retrieve valid dom range from CaretPosition"); rect = domRange->GetBoundingClientRect(false); return rect.forget(); } JSObject* nsDOMCaretPosition::WrapObject(JSContext *aCx, JS::Handle<JSObject*> aGivenProto) { return mozilla::dom::CaretPositionBinding::Wrap(aCx, this, aGivenProto); } NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(nsDOMCaretPosition, mOffsetNode, mAnonymousContentNode) NS_IMPL_CYCLE_COLLECTING_ADDREF(nsDOMCaretPosition) NS_IMPL_CYCLE_COLLECTING_RELEASE(nsDOMCaretPosition) NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(nsDOMCaretPosition) NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY NS_INTERFACE_MAP_ENTRY(nsISupports) NS_INTERFACE_MAP_END