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-rw-r--r--editor/libeditor/DeleteNodeTransaction.h66
1 files changed, 66 insertions, 0 deletions
diff --git a/editor/libeditor/DeleteNodeTransaction.h b/editor/libeditor/DeleteNodeTransaction.h
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+++ b/editor/libeditor/DeleteNodeTransaction.h
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+/* -*- 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 DeleteNodeTransaction_h
+#define DeleteNodeTransaction_h
+
+#include "mozilla/EditTransactionBase.h"
+#include "nsCOMPtr.h"
+#include "nsCycleCollectionParticipant.h"
+#include "nsIContent.h"
+#include "nsINode.h"
+#include "nsISupportsImpl.h"
+#include "nscore.h"
+
+namespace mozilla {
+
+class EditorBase;
+class RangeUpdater;
+
+/**
+ * A transaction that deletes a single element
+ */
+class DeleteNodeTransaction final : public EditTransactionBase
+{
+public:
+ /**
+ * Initialize the transaction.
+ * @param aElement The node to delete.
+ */
+ nsresult Init(EditorBase* aEditorBase, nsINode* aNode,
+ RangeUpdater* aRangeUpdater);
+
+ DeleteNodeTransaction();
+
+ NS_DECL_ISUPPORTS_INHERITED
+ NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(DeleteNodeTransaction,
+ EditTransactionBase)
+
+ NS_DECL_EDITTRANSACTIONBASE
+
+ NS_IMETHOD RedoTransaction() override;
+
+protected:
+ virtual ~DeleteNodeTransaction();
+
+ // The element to delete.
+ nsCOMPtr<nsINode> mNode;
+
+ // Parent of node to delete.
+ nsCOMPtr<nsINode> mParent;
+
+ // Next sibling to remember for undo/redo purposes.
+ nsCOMPtr<nsIContent> mRefNode;
+
+ // The editor for this transaction.
+ EditorBase* mEditorBase;
+
+ // Range updater object.
+ RangeUpdater* mRangeUpdater;
+};
+
+} // namespace mozilla
+
+#endif // #ifndef DeleteNodeTransaction_h