mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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897976b0f0
--HG-- rename : editor/libeditor/base/ChangeAttributeTxn.cpp => editor/libeditor/ChangeAttributeTxn.cpp rename : editor/libeditor/base/ChangeAttributeTxn.h => editor/libeditor/ChangeAttributeTxn.h rename : editor/libeditor/base/ChangeCSSInlineStyleTxn.cpp => editor/libeditor/ChangeCSSInlineStyleTxn.cpp rename : editor/libeditor/base/ChangeCSSInlineStyleTxn.h => editor/libeditor/ChangeCSSInlineStyleTxn.h rename : editor/libeditor/base/CreateElementTxn.cpp => editor/libeditor/CreateElementTxn.cpp rename : editor/libeditor/base/CreateElementTxn.h => editor/libeditor/CreateElementTxn.h rename : editor/libeditor/base/DeleteNodeTxn.cpp => editor/libeditor/DeleteNodeTxn.cpp rename : editor/libeditor/base/DeleteNodeTxn.h => editor/libeditor/DeleteNodeTxn.h rename : editor/libeditor/base/DeleteRangeTxn.cpp => editor/libeditor/DeleteRangeTxn.cpp rename : editor/libeditor/base/DeleteRangeTxn.h => editor/libeditor/DeleteRangeTxn.h rename : editor/libeditor/base/DeleteTextTxn.cpp => editor/libeditor/DeleteTextTxn.cpp rename : editor/libeditor/base/DeleteTextTxn.h => editor/libeditor/DeleteTextTxn.h rename : editor/libeditor/base/EditActionListener.h => editor/libeditor/EditActionListener.h rename : editor/libeditor/base/EditAggregateTxn.cpp => editor/libeditor/EditAggregateTxn.cpp rename : editor/libeditor/base/EditAggregateTxn.h => editor/libeditor/EditAggregateTxn.h rename : editor/libeditor/base/EditTxn.cpp => editor/libeditor/EditTxn.cpp rename : editor/libeditor/base/EditTxn.h => editor/libeditor/EditTxn.h rename : editor/libeditor/base/IMETextTxn.cpp => editor/libeditor/IMETextTxn.cpp rename : editor/libeditor/base/IMETextTxn.h => editor/libeditor/IMETextTxn.h rename : editor/libeditor/base/InsertElementTxn.cpp => editor/libeditor/InsertElementTxn.cpp rename : editor/libeditor/base/InsertElementTxn.h => editor/libeditor/InsertElementTxn.h rename : editor/libeditor/base/InsertTextTxn.cpp => editor/libeditor/InsertTextTxn.cpp rename : editor/libeditor/base/InsertTextTxn.h => editor/libeditor/InsertTextTxn.h rename : editor/libeditor/base/JoinElementTxn.cpp => editor/libeditor/JoinElementTxn.cpp rename : editor/libeditor/base/JoinElementTxn.h => editor/libeditor/JoinElementTxn.h rename : editor/libeditor/base/PlaceholderTxn.cpp => editor/libeditor/PlaceholderTxn.cpp rename : editor/libeditor/base/PlaceholderTxn.h => editor/libeditor/PlaceholderTxn.h rename : editor/libeditor/base/SetDocTitleTxn.cpp => editor/libeditor/SetDocTitleTxn.cpp rename : editor/libeditor/base/SetDocTitleTxn.h => editor/libeditor/SetDocTitleTxn.h rename : editor/libeditor/base/SplitElementTxn.cpp => editor/libeditor/SplitElementTxn.cpp rename : editor/libeditor/base/SplitElementTxn.h => editor/libeditor/SplitElementTxn.h rename : editor/libeditor/base/crashtests/336104.html => editor/libeditor/crashtests/336104.html rename : editor/libeditor/base/crashtests/382527-1.html => editor/libeditor/crashtests/382527-1.html rename : editor/libeditor/base/crashtests/402172-1.html => editor/libeditor/crashtests/402172-1.html rename : editor/libeditor/base/crashtests/407079-1.html => editor/libeditor/crashtests/407079-1.html rename : editor/libeditor/base/crashtests/407256-1.html => editor/libeditor/crashtests/407256-1.html rename : editor/libeditor/base/crashtests/430624-1.html => editor/libeditor/crashtests/430624-1.html rename : editor/libeditor/base/crashtests/459613-iframe.html => editor/libeditor/crashtests/459613-iframe.html rename : editor/libeditor/base/crashtests/459613.html => editor/libeditor/crashtests/459613.html rename : editor/libeditor/base/crashtests/475132-1.xhtml => editor/libeditor/crashtests/475132-1.xhtml rename : editor/libeditor/base/crashtests/633709.xhtml => editor/libeditor/crashtests/633709.xhtml rename : editor/libeditor/base/crashtests/636074-1.html => editor/libeditor/crashtests/636074-1.html rename : editor/libeditor/base/crashtests/713427-1.html => editor/libeditor/crashtests/713427-1.html rename : editor/libeditor/base/crashtests/713427-2.xhtml => editor/libeditor/crashtests/713427-2.xhtml rename : editor/libeditor/base/crashtests/762183.html => editor/libeditor/crashtests/762183.html rename : editor/libeditor/base/crashtests/766360.html => editor/libeditor/crashtests/766360.html rename : editor/libeditor/base/crashtests/766413.html => editor/libeditor/crashtests/766413.html rename : editor/libeditor/base/crashtests/766845.xhtml => editor/libeditor/crashtests/766845.xhtml rename : editor/libeditor/base/crashtests/768765.html => editor/libeditor/crashtests/768765.html rename : editor/libeditor/base/crashtests/771749.html => editor/libeditor/crashtests/771749.html rename : editor/libeditor/base/crashtests/772282.html => editor/libeditor/crashtests/772282.html rename : editor/libeditor/base/crashtests/776323.html => editor/libeditor/crashtests/776323.html rename : editor/libeditor/base/crashtests/crashtests.list => editor/libeditor/crashtests/crashtests.list rename : editor/libeditor/base/nsEditProperty.h => editor/libeditor/nsEditProperty.h rename : editor/libeditor/base/nsEditPropertyAtomList.h => editor/libeditor/nsEditPropertyAtomList.h rename : editor/libeditor/base/nsEditRules.h => editor/libeditor/nsEditRules.h rename : editor/libeditor/base/nsEditor.cpp => editor/libeditor/nsEditor.cpp rename : editor/libeditor/base/nsEditor.h => editor/libeditor/nsEditor.h rename : editor/libeditor/base/nsEditorCommands.cpp => editor/libeditor/nsEditorCommands.cpp rename : editor/libeditor/base/nsEditorCommands.h => editor/libeditor/nsEditorCommands.h rename : editor/libeditor/base/nsEditorController.cpp => editor/libeditor/nsEditorController.cpp rename : editor/libeditor/base/nsEditorController.h => editor/libeditor/nsEditorController.h rename : editor/libeditor/base/nsEditorEventListener.cpp => editor/libeditor/nsEditorEventListener.cpp rename : editor/libeditor/base/nsEditorEventListener.h => editor/libeditor/nsEditorEventListener.h rename : editor/libeditor/base/nsEditorUtils.cpp => editor/libeditor/nsEditorUtils.cpp rename : editor/libeditor/base/nsEditorUtils.h => editor/libeditor/nsEditorUtils.h rename : editor/libeditor/base/nsIAbsorbingTransaction.h => editor/libeditor/nsIAbsorbingTransaction.h rename : editor/libeditor/base/nsSelectionState.cpp => editor/libeditor/nsSelectionState.cpp rename : editor/libeditor/base/nsSelectionState.h => editor/libeditor/nsSelectionState.h rename : editor/libeditor/base/nsStyleSheetTxns.cpp => editor/libeditor/nsStyleSheetTxns.cpp rename : editor/libeditor/base/nsStyleSheetTxns.h => editor/libeditor/nsStyleSheetTxns.h rename : editor/libeditor/base/tests/chrome.ini => editor/libeditor/tests/chrome.ini rename : editor/libeditor/base/tests/file_bug586662.html => editor/libeditor/tests/file_bug586662.html rename : editor/libeditor/base/tests/mochitest.ini => editor/libeditor/tests/mochitest.ini rename : editor/libeditor/base/tests/moz.build => editor/libeditor/tests/moz.build rename : editor/libeditor/base/tests/test_bug408231.html => editor/libeditor/tests/test_bug408231.html rename : editor/libeditor/base/tests/test_bug46555.html => editor/libeditor/tests/test_bug46555.html rename : editor/libeditor/base/tests/test_bug502673.html => editor/libeditor/tests/test_bug502673.html rename : editor/libeditor/base/tests/test_bug514156.html => editor/libeditor/tests/test_bug514156.html rename : editor/libeditor/base/tests/test_bug567213.html => editor/libeditor/tests/test_bug567213.html rename : editor/libeditor/base/tests/test_bug586662.html => editor/libeditor/tests/test_bug586662.html rename : editor/libeditor/base/tests/test_bug599983.html => editor/libeditor/tests/test_bug599983.html rename : editor/libeditor/base/tests/test_bug599983.xul => editor/libeditor/tests/test_bug599983.xul rename : editor/libeditor/base/tests/test_bug646194.xul => editor/libeditor/tests/test_bug646194.xul rename : editor/libeditor/base/tests/test_bug742261.html => editor/libeditor/tests/test_bug742261.html rename : editor/libeditor/base/tests/test_bug773262.html => editor/libeditor/tests/test_bug773262.html rename : editor/libeditor/base/tests/test_bug795785.html => editor/libeditor/tests/test_bug795785.html rename : editor/libeditor/base/tests/test_composition_event_created_in_chrome.html => editor/libeditor/tests/test_composition_event_created_in_chrome.html rename : editor/libeditor/base/tests/test_dragdrop.html => editor/libeditor/tests/test_dragdrop.html rename : editor/libeditor/base/tests/test_selection_move_commands.xul => editor/libeditor/tests/test_selection_move_commands.xul
232 lines
6.4 KiB
C++
232 lines
6.4 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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#include "DeleteNodeTxn.h"
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#include "DeleteRangeTxn.h"
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#include "DeleteTextTxn.h"
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#include "mozilla/Assertions.h"
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#include "mozilla/dom/Selection.h"
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#include "mozilla/mozalloc.h"
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#include "nsCOMPtr.h"
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#include "nsDebug.h"
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#include "nsEditor.h"
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#include "nsError.h"
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#include "nsIContent.h"
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#include "nsIContentIterator.h"
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#include "nsIDOMCharacterData.h"
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#include "nsINode.h"
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#include "nsAString.h"
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class nsIDOMRange;
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using namespace mozilla;
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using namespace mozilla::dom;
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// note that aEditor is not refcounted
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DeleteRangeTxn::DeleteRangeTxn()
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: EditAggregateTxn(),
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mRange(),
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mEditor(nullptr),
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mRangeUpdater(nullptr)
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{
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}
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NS_IMPL_CYCLE_COLLECTION_INHERITED(DeleteRangeTxn, EditAggregateTxn,
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mRange)
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(DeleteRangeTxn)
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NS_INTERFACE_MAP_END_INHERITING(EditAggregateTxn)
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nsresult
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DeleteRangeTxn::Init(nsEditor* aEditor,
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nsRange* aRange,
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nsRangeUpdater* aRangeUpdater)
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{
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MOZ_ASSERT(aEditor && aRange);
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mEditor = aEditor;
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mRange = aRange->CloneRange();
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mRangeUpdater = aRangeUpdater;
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NS_ENSURE_TRUE(mEditor->IsModifiableNode(mRange->GetStartParent()),
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NS_ERROR_FAILURE);
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NS_ENSURE_TRUE(mEditor->IsModifiableNode(mRange->GetEndParent()),
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NS_ERROR_FAILURE);
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NS_ENSURE_TRUE(mEditor->IsModifiableNode(mRange->GetCommonAncestor()),
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NS_ERROR_FAILURE);
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return NS_OK;
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}
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NS_IMETHODIMP
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DeleteRangeTxn::DoTransaction()
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{
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MOZ_ASSERT(mRange && mEditor);
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nsresult res;
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// build the child transactions
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nsCOMPtr<nsINode> startParent = mRange->GetStartParent();
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int32_t startOffset = mRange->StartOffset();
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nsCOMPtr<nsINode> endParent = mRange->GetEndParent();
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int32_t endOffset = mRange->EndOffset();
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MOZ_ASSERT(startParent && endParent);
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if (startParent == endParent) {
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// the selection begins and ends in the same node
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res = CreateTxnsToDeleteBetween(startParent, startOffset, endOffset);
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NS_ENSURE_SUCCESS(res, res);
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} else {
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// the selection ends in a different node from where it started. delete
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// the relevant content in the start node
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res = CreateTxnsToDeleteContent(startParent, startOffset, nsIEditor::eNext);
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NS_ENSURE_SUCCESS(res, res);
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// delete the intervening nodes
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res = CreateTxnsToDeleteNodesBetween();
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NS_ENSURE_SUCCESS(res, res);
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// delete the relevant content in the end node
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res = CreateTxnsToDeleteContent(endParent, endOffset, nsIEditor::ePrevious);
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NS_ENSURE_SUCCESS(res, res);
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}
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// if we've successfully built this aggregate transaction, then do it.
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res = EditAggregateTxn::DoTransaction();
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NS_ENSURE_SUCCESS(res, res);
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// only set selection to deletion point if editor gives permission
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bool bAdjustSelection;
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mEditor->ShouldTxnSetSelection(&bAdjustSelection);
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if (bAdjustSelection) {
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nsRefPtr<Selection> selection = mEditor->GetSelection();
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NS_ENSURE_TRUE(selection, NS_ERROR_NULL_POINTER);
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res = selection->Collapse(startParent, startOffset);
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NS_ENSURE_SUCCESS(res, res);
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}
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// else do nothing - dom range gravity will adjust selection
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return NS_OK;
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}
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NS_IMETHODIMP
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DeleteRangeTxn::UndoTransaction()
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{
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MOZ_ASSERT(mRange && mEditor);
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return EditAggregateTxn::UndoTransaction();
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}
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NS_IMETHODIMP
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DeleteRangeTxn::RedoTransaction()
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{
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MOZ_ASSERT(mRange && mEditor);
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return EditAggregateTxn::RedoTransaction();
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}
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NS_IMETHODIMP
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DeleteRangeTxn::GetTxnDescription(nsAString& aString)
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{
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aString.AssignLiteral("DeleteRangeTxn");
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return NS_OK;
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}
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nsresult
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DeleteRangeTxn::CreateTxnsToDeleteBetween(nsINode* aNode,
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int32_t aStartOffset,
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int32_t aEndOffset)
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{
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// see what kind of node we have
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if (aNode->IsNodeOfType(nsINode::eDATA_NODE)) {
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// if the node is a chardata node, then delete chardata content
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nsRefPtr<DeleteTextTxn> txn = new DeleteTextTxn();
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int32_t numToDel;
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if (aStartOffset == aEndOffset) {
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numToDel = 1;
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} else {
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numToDel = aEndOffset - aStartOffset;
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}
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nsCOMPtr<nsIDOMCharacterData> charDataNode = do_QueryInterface(aNode);
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nsresult res = txn->Init(mEditor, charDataNode, aStartOffset, numToDel,
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mRangeUpdater);
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NS_ENSURE_SUCCESS(res, res);
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AppendChild(txn);
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return NS_OK;
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}
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nsCOMPtr<nsIContent> child = aNode->GetChildAt(aStartOffset);
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NS_ENSURE_STATE(child);
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nsresult res = NS_OK;
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for (int32_t i = aStartOffset; i < aEndOffset; ++i) {
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nsRefPtr<DeleteNodeTxn> txn = new DeleteNodeTxn();
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res = txn->Init(mEditor, child, mRangeUpdater);
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if (NS_SUCCEEDED(res)) {
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AppendChild(txn);
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}
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child = child->GetNextSibling();
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}
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NS_ENSURE_SUCCESS(res, res);
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return NS_OK;
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}
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nsresult
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DeleteRangeTxn::CreateTxnsToDeleteContent(nsINode* aNode,
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int32_t aOffset,
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nsIEditor::EDirection aAction)
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{
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// see what kind of node we have
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if (aNode->IsNodeOfType(nsINode::eDATA_NODE)) {
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// if the node is a chardata node, then delete chardata content
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uint32_t start, numToDelete;
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if (nsIEditor::eNext == aAction) {
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start = aOffset;
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numToDelete = aNode->Length() - aOffset;
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} else {
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start = 0;
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numToDelete = aOffset;
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}
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if (numToDelete) {
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nsRefPtr<DeleteTextTxn> txn = new DeleteTextTxn();
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nsCOMPtr<nsIDOMCharacterData> charDataNode = do_QueryInterface(aNode);
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nsresult res = txn->Init(mEditor, charDataNode, start, numToDelete,
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mRangeUpdater);
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NS_ENSURE_SUCCESS(res, res);
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AppendChild(txn);
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}
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}
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return NS_OK;
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}
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nsresult
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DeleteRangeTxn::CreateTxnsToDeleteNodesBetween()
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{
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nsCOMPtr<nsIContentIterator> iter = NS_NewContentSubtreeIterator();
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nsresult res = iter->Init(mRange);
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NS_ENSURE_SUCCESS(res, res);
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while (!iter->IsDone()) {
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nsCOMPtr<nsINode> node = iter->GetCurrentNode();
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NS_ENSURE_TRUE(node, NS_ERROR_NULL_POINTER);
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nsRefPtr<DeleteNodeTxn> txn = new DeleteNodeTxn();
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res = txn->Init(mEditor, node, mRangeUpdater);
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NS_ENSURE_SUCCESS(res, res);
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AppendChild(txn);
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iter->Next();
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}
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return NS_OK;
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}
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