The Tor Browser: editor/libeditor/base/DeleteNodeTxn.h@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 #ifndef DeleteNodeTxn_h__

     7 #define DeleteNodeTxn_h__

     9 #include "EditTxn.h"

    10 #include "nsCOMPtr.h"

    11 #include "nsCycleCollectionParticipant.h"

    12 #include "nsIContent.h"

    13 #include "nsINode.h"

    14 #include "nsISupportsImpl.h"

    15 #include "nscore.h"

    17 class nsEditor;

    18 class nsRangeUpdater;

    20 /**

    21  * A transaction that deletes a single element

    22  */

    23 class DeleteNodeTxn : public EditTxn

    24 {

    25 public:

    26   /** initialize the transaction.

    27     * @param aElement the node to delete

    28     */

    29   nsresult Init(nsEditor* aEditor, nsINode* aNode,

    30                 nsRangeUpdater* aRangeUpdater);

    32   DeleteNodeTxn();

    34   NS_DECL_ISUPPORTS_INHERITED

    35   NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(DeleteNodeTxn, EditTxn)

    37   NS_DECL_EDITTXN

    39   NS_IMETHOD RedoTransaction();

    41 protected:

    43   /** the element to delete */

    44   nsCOMPtr<nsINode> mNode;

    46   /** parent of node to delete */

    47   nsCOMPtr<nsINode> mParent;

    49   /** next sibling to remember for undo/redo purposes */

    50   nsCOMPtr<nsIContent> mRefNode;

    52   /** the editor for this transaction */

    53   nsEditor* mEditor;

    55   /** range updater object */

    56   nsRangeUpdater* mRangeUpdater;

    57 };

    59 #endif

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