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c4c3b160eb
It scans children and returns whether `<dt>` and `<dd>` are found or not. So, we can make it a stack class and makes caller pick the necessary value with getter methods. Differential Revision: https://phabricator.services.mozilla.com/D44461 --HG-- extra : moz-landing-system : lando
104 lines
3.5 KiB
C++
104 lines
3.5 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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#ifndef HTMLEditUtils_h
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#define HTMLEditUtils_h
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#include "mozilla/Attributes.h"
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#include "mozilla/dom/Element.h"
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#include "nsGkAtoms.h"
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class nsAtom;
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namespace mozilla {
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class HTMLEditUtils final {
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public:
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static bool IsInlineStyle(nsINode* aNode);
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/**
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* IsRemovableInlineStyleElement() returns true if aElement is an inline
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* element and can be removed or split to in order to modifying inline
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* styles.
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*/
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static bool IsRemovableInlineStyleElement(dom::Element& aElement);
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static bool IsFormatNode(nsINode* aNode);
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static bool IsNodeThatCanOutdent(nsINode* aNode);
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static bool IsHeader(nsINode& aNode);
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static bool IsListItem(nsINode* aNode);
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static bool IsTable(nsINode* aNode);
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static bool IsTableRow(nsINode* aNode);
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static bool IsTableElement(nsINode* aNode);
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static bool IsTableElementButNotTable(nsINode* aNode);
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static bool IsTableCell(nsINode* node);
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static bool IsTableCellOrCaption(nsINode& aNode);
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static bool IsList(nsINode* aNode);
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static bool IsPre(nsINode* aNode);
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static bool IsImage(nsINode* aNode);
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static bool IsLink(nsINode* aNode);
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static bool IsNamedAnchor(nsINode* aNode);
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static bool IsMozDiv(nsINode* aNode);
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static bool IsMailCite(nsINode* aNode);
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static bool IsFormWidget(nsINode* aNode);
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static bool SupportsAlignAttr(nsINode& aNode);
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static bool CanContain(int32_t aParent, int32_t aChild);
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static bool IsContainer(int32_t aTag);
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/**
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* See execCommand spec:
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* https://w3c.github.io/editing/execCommand.html#non-list-single-line-container
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* https://w3c.github.io/editing/execCommand.html#single-line-container
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*/
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static bool IsNonListSingleLineContainer(nsINode& aNode);
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static bool IsSingleLineContainer(nsINode& aNode);
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static EditAction GetEditActionForInsert(const nsAtom& aTagName);
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static EditAction GetEditActionForRemoveList(const nsAtom& aTagName);
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static EditAction GetEditActionForInsert(const Element& aElement);
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static EditAction GetEditActionForFormatText(const nsAtom& aProperty,
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const nsAtom* aAttribute,
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bool aToSetStyle);
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static EditAction GetEditActionForAlignment(const nsAString& aAlignType);
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};
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/**
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* DefinitionListItemScanner() scans given `<dl>` element's children.
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* Then, you can check whether `<dt>` and/or `<dd>` elements are in it.
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*/
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class MOZ_STACK_CLASS DefinitionListItemScanner final {
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public:
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DefinitionListItemScanner() = delete;
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explicit DefinitionListItemScanner(dom::Element& aDLElement) {
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MOZ_ASSERT(aDLElement.IsHTMLElement(nsGkAtoms::dl));
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for (nsIContent* child = aDLElement.GetFirstChild(); child;
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child = child->GetNextSibling()) {
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if (child->IsHTMLElement(nsGkAtoms::dt)) {
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mDTFound = true;
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if (mDDFound) {
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break;
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}
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continue;
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}
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if (child->IsHTMLElement(nsGkAtoms::dd)) {
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mDDFound = true;
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if (mDTFound) {
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break;
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}
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continue;
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}
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}
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}
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bool DTElementFound() const { return mDTFound; }
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bool DDElementFound() const { return mDDFound; }
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private:
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bool mDTFound = false;
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bool mDDFound = false;
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};
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} // namespace mozilla
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#endif // #ifndef HTMLEditUtils_h
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