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47a5dd1fb8
# ignore-this-changeset Differential Revision: https://phabricator.services.mozilla.com/D16388 --HG-- extra : moz-landing-system : lando
115 lines
3.2 KiB
C++
115 lines
3.2 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/EditorUtils.h"
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#include "mozilla/ContentIterator.h"
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#include "mozilla/EditorDOMPoint.h"
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#include "mozilla/OwningNonNull.h"
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#include "mozilla/dom/Selection.h"
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#include "nsComponentManagerUtils.h"
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#include "nsError.h"
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#include "nsIContent.h"
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#include "nsIDocShell.h"
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#include "mozilla/dom/Document.h"
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#include "nsIInterfaceRequestorUtils.h"
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#include "nsINode.h"
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class nsISupports;
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class nsRange;
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namespace mozilla {
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using namespace dom;
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/******************************************************************************
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* some helper classes for iterating the dom tree
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*****************************************************************************/
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DOMIterator::DOMIterator(nsINode& aNode MOZ_GUARD_OBJECT_NOTIFIER_PARAM_IN_IMPL)
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: mIter(&mPostOrderIter) {
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MOZ_GUARD_OBJECT_NOTIFIER_INIT;
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DebugOnly<nsresult> rv = mIter->Init(&aNode);
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MOZ_ASSERT(NS_SUCCEEDED(rv));
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}
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nsresult DOMIterator::Init(nsRange& aRange) { return mIter->Init(&aRange); }
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DOMIterator::DOMIterator(MOZ_GUARD_OBJECT_NOTIFIER_ONLY_PARAM_IN_IMPL)
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: mIter(&mPostOrderIter) {
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MOZ_GUARD_OBJECT_NOTIFIER_INIT;
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}
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void DOMIterator::AppendList(
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const BoolDomIterFunctor& functor,
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nsTArray<OwningNonNull<nsINode>>& arrayOfNodes) const {
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// Iterate through dom and build list
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for (; !mIter->IsDone(); mIter->Next()) {
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nsCOMPtr<nsINode> node = mIter->GetCurrentNode();
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if (functor(node)) {
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arrayOfNodes.AppendElement(*node);
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}
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}
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}
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DOMSubtreeIterator::DOMSubtreeIterator(
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MOZ_GUARD_OBJECT_NOTIFIER_ONLY_PARAM_IN_IMPL)
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: DOMIterator(MOZ_GUARD_OBJECT_NOTIFIER_ONLY_PARAM_TO_PARENT) {
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mIter = &mSubtreeIter;
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}
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nsresult DOMSubtreeIterator::Init(nsRange& aRange) {
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return mIter->Init(&aRange);
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}
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/******************************************************************************
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* some general purpose editor utils
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*****************************************************************************/
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bool EditorUtils::IsDescendantOf(const nsINode& aNode, const nsINode& aParent,
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EditorRawDOMPoint* aOutPoint /* = nullptr */) {
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if (aOutPoint) {
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aOutPoint->Clear();
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}
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if (&aNode == &aParent) {
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return false;
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}
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for (const nsINode* node = &aNode; node; node = node->GetParentNode()) {
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if (node->GetParentNode() == &aParent) {
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if (aOutPoint) {
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MOZ_ASSERT(node->IsContent());
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aOutPoint->Set(node->AsContent());
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}
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return true;
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}
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}
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return false;
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}
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bool EditorUtils::IsDescendantOf(const nsINode& aNode, const nsINode& aParent,
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EditorDOMPoint* aOutPoint) {
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MOZ_ASSERT(aOutPoint);
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aOutPoint->Clear();
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if (&aNode == &aParent) {
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return false;
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}
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for (const nsINode* node = &aNode; node; node = node->GetParentNode()) {
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if (node->GetParentNode() == &aParent) {
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MOZ_ASSERT(node->IsContent());
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aOutPoint->Set(node->AsContent());
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return true;
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}
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}
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return false;
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}
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} // namespace mozilla
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