103 lines
4.3 KiB
C++
103 lines
4.3 KiB
C++
/*
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* Copyright (C) 2005, 2006 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "MoveSelectionCommand.h"
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#include "DeleteSelectionCommand.h"
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#include "DocumentFragment.h"
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#include "ReplaceSelectionCommand.h"
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namespace WebCore {
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MoveSelectionCommand::MoveSelectionCommand(Ref<DocumentFragment>&& fragment, const Position& position, bool smartInsert, bool smartDelete)
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: CompositeEditCommand(position.anchorNode()->document())
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, m_fragment(WTFMove(fragment))
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, m_position(position)
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, m_smartInsert(smartInsert)
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, m_smartDelete(smartDelete)
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{
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}
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void MoveSelectionCommand::doApply()
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{
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ASSERT(endingSelection().isNonOrphanedRange());
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Position pos = m_position;
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if (pos.isNull())
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return;
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// Update the position otherwise it may become invalid after the selection is deleted.
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Position selectionEnd = endingSelection().end();
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if (pos.anchorType() == Position::PositionIsOffsetInAnchor && selectionEnd.anchorType() == Position::PositionIsOffsetInAnchor
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&& selectionEnd.containerNode() == pos.containerNode() && selectionEnd.offsetInContainerNode() < pos.offsetInContainerNode()) {
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pos.moveToOffset(pos.offsetInContainerNode() - selectionEnd.offsetInContainerNode());
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Position selectionStart = endingSelection().start();
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if (selectionStart.anchorType() == Position::PositionIsOffsetInAnchor && selectionStart.containerNode() == pos.containerNode())
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pos.moveToOffset(pos.offsetInContainerNode() + selectionStart.offsetInContainerNode());
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}
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{
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auto deleteSelection = DeleteSelectionCommand::create(document(), m_smartDelete, true, false, true, true, EditAction::DeleteByDrag);
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deleteSelection->setParent(this);
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deleteSelection->apply();
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m_commands.append(WTFMove(deleteSelection));
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}
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// If the node for the destination has been removed as a result of the deletion,
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// set the destination to the ending point after the deletion.
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// Fixes: <rdar://problem/3910425> REGRESSION (Mail): Crash in ReplaceSelectionCommand;
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// selection is empty, leading to null deref
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if (!pos.anchorNode()->isConnected())
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pos = endingSelection().start();
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cleanupAfterDeletion(pos);
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setEndingSelection(VisibleSelection(pos, endingSelection().affinity(), endingSelection().isDirectional()));
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setStartingSelection(endingSelection());
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if (!pos.anchorNode()->isConnected()) {
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// Document was modified out from under us.
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return;
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}
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OptionSet<ReplaceSelectionCommand::CommandOption> options { ReplaceSelectionCommand::SelectReplacement, ReplaceSelectionCommand::PreventNesting };
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if (m_smartInsert)
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options.add(ReplaceSelectionCommand::SmartReplace);
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{
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auto replaceSelection = ReplaceSelectionCommand::create(document(), WTFMove(m_fragment), options, EditAction::InsertFromDrop);
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replaceSelection->setParent(this);
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replaceSelection->apply();
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m_commands.append(WTFMove(replaceSelection));
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}
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}
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EditAction MoveSelectionCommand::editingAction() const
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{
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return EditAction::DeleteByDrag;
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}
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} // namespace WebCore
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