gecko-dev/editor/libeditor/ChangeAttributeTxn.h
Birunthan Mohanathas a8939590de Bug 1182996 - Fix and add missing namespace comments. rs=ehsan
The bulk of this commit was generated by running:

  run-clang-tidy.py \
    -checks='-*,llvm-namespace-comment' \
    -header-filter=^/.../mozilla-central/.* \
    -fix
2015-07-13 08:25:42 -07:00

70 lines
2.0 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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/. */
#ifndef ChangeAttributeTxn_h__
#define ChangeAttributeTxn_h__
#include "EditTxn.h" // base class
#include "mozilla/Attributes.h" // override
#include "nsCOMPtr.h" // nsCOMPtr members
#include "nsCycleCollectionParticipant.h" // NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED
#include "nsISupportsImpl.h" // NS_DECL_ISUPPORTS_INHERITED
#include "nsString.h" // nsString members
class nsIAtom;
namespace mozilla {
namespace dom {
class Element;
/**
* A transaction that changes an attribute of a content node. This transaction
* covers add, remove, and change attribute.
*/
class ChangeAttributeTxn : public EditTxn
{
public:
/** @param aElement the element whose attribute will be changed
* @param aAttribute the name of the attribute to change
* @param aValue the new value for aAttribute, or null to remove
*/
ChangeAttributeTxn(Element& aElement, nsIAtom& aAttribute,
const nsAString* aValue);
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(ChangeAttributeTxn, EditTxn)
NS_DECL_EDITTXN
NS_IMETHOD RedoTransaction() override;
private:
virtual ~ChangeAttributeTxn();
/** The element to operate upon */
nsCOMPtr<Element> mElement;
/** The attribute to change */
nsCOMPtr<nsIAtom> mAttribute;
/** The value to set the attribute to (ignored if mRemoveAttribute==true) */
nsString mValue;
/** True if the operation is to remove mAttribute from mElement */
bool mRemoveAttribute;
/** True if the mAttribute was set on mElement at the time of execution */
bool mAttributeWasSet;
/** The value to set the attribute to for undo */
nsString mUndoValue;
};
} // namespace dom
} // namespace mozilla
#endif