mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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47ed3a3675
The bulk of this commit was generated by running:
run-clang-tidy.py \
-checks='-*,llvm-namespace-comment' \
-header-filter=^/.../mozilla-central/.* \
-fix
67 lines
2.1 KiB
C++
67 lines
2.1 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 JoinNodeTxn_h__
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#define JoinNodeTxn_h__
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#include "EditTxn.h" // for EditTxn, NS_DECL_EDITTXN
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#include "nsCOMPtr.h" // for nsCOMPtr
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#include "nsCycleCollectionParticipant.h"
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#include "nsID.h" // for REFNSIID
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#include "nscore.h" // for NS_IMETHOD
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class nsEditor;
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class nsINode;
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namespace mozilla {
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namespace dom {
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/**
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* A transaction that joins two nodes E1 (left node) and E2 (right node) into a
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* single node E. The children of E are the children of E1 followed by the
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* children of E2. After DoTransaction() and RedoTransaction(), E1 is removed
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* from the content tree and E2 remains.
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*/
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class JoinNodeTxn : public EditTxn
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{
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public:
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/** @param aEditor the provider of core editing operations
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* @param aLeftNode the first of two nodes to join
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* @param aRightNode the second of two nodes to join
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*/
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JoinNodeTxn(nsEditor& aEditor, nsINode& aLeftNode, nsINode& aRightNode);
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/* Call this after constructing to ensure the inputs are correct */
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nsresult CheckValidity();
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(JoinNodeTxn, EditTxn)
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NS_IMETHOD QueryInterface(REFNSIID aIID, void** aInstancePtr) override;
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NS_DECL_EDITTXN
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protected:
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nsEditor& mEditor;
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/** The nodes to operate upon. After the merge, mRightNode remains and
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* mLeftNode is removed from the content tree.
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*/
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nsCOMPtr<nsINode> mLeftNode;
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nsCOMPtr<nsINode> mRightNode;
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/** The offset into mNode where the children of mElement are split (for
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* undo). mOffset is the index of the first child in the right node. -1
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* means the left node had no children.
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*/
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uint32_t mOffset;
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/** The parent node containing mLeftNode and mRightNode */
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nsCOMPtr<nsINode> mParent;
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};
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} // namespace dom
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} // namespace mozilla
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#endif
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