void MoveSelectionCommand::doApply()
{
ASSERT(endingSelection().isNonOrphanedRange());
Position pos = m_position;
if (pos.isNull())
return;
// Update the position otherwise it may become invalid after the selection is deleted.
Position selectionEnd = endingSelection().end();
if (pos.anchorType() == Position::PositionIsOffsetInAnchor && selectionEnd.anchorType() == Position::PositionIsOffsetInAnchor
&& selectionEnd.containerNode() == pos.containerNode() && selectionEnd.offsetInContainerNode() < pos.offsetInContainerNode()) {
pos.moveToOffset(pos.offsetInContainerNode() - selectionEnd.offsetInContainerNode());
Position selectionStart = endingSelection().start();
if (selectionStart.anchorType() == Position::PositionIsOffsetInAnchor && selectionStart.containerNode() == pos.containerNode())
pos.moveToOffset(pos.offsetInContainerNode() + selectionStart.offsetInContainerNode());
}
{
auto deleteSelection = DeleteSelectionCommand::create(document(), m_smartDelete, true, false, true, true, EditActionDeleteByDrag);
deleteSelection->setParent(this);
deleteSelection->apply();
m_commands.append(WTFMove(deleteSelection));
}
// If the node for the destination has been removed as a result of the deletion,
// set the destination to the ending point after the deletion.
// Fixes: <rdar://problem/3910425> REGRESSION (Mail): Crash in ReplaceSelectionCommand;
// selection is empty, leading to null deref
if (!pos.anchorNode()->inDocument())
pos = endingSelection().start();
cleanupAfterDeletion(pos);
setEndingSelection(VisibleSelection(pos, endingSelection().affinity(), endingSelection().isDirectional()));
setStartingSelection(endingSelection());
if (!pos.anchorNode()->inDocument()) {
// Document was modified out from under us.
return;
}
ReplaceSelectionCommand::CommandOptions options = ReplaceSelectionCommand::SelectReplacement | ReplaceSelectionCommand::PreventNesting;
if (m_smartInsert)
options |= ReplaceSelectionCommand::SmartReplace;
{
auto replaceSelection = ReplaceSelectionCommand::create(document(), WTFMove(m_fragment), options, EditActionInsertFromDrop);
replaceSelection->setParent(this);
replaceSelection->apply();
m_commands.append(WTFMove(replaceSelection));
}
}
void MoveSelectionCommand::doApply()
{
ASSERT(endingSelection().isNonOrphanedRange());
Position pos = m_position;
if (pos.isNull())
return;
// Update the position otherwise it may become invalid after the selection is deleted.
Position selectionEnd = endingSelection().end();
if (pos.isOffsetInAnchor() && selectionEnd.isOffsetInAnchor()
&& selectionEnd.computeContainerNode() == pos.computeContainerNode() && selectionEnd.offsetInContainerNode() < pos.offsetInContainerNode()) {
pos = Position(pos.computeContainerNode(), pos.offsetInContainerNode() - selectionEnd.offsetInContainerNode());
Position selectionStart = endingSelection().start();
if (selectionStart.isOffsetInAnchor() && selectionStart.computeContainerNode() == pos.computeContainerNode())
pos = Position(pos.computeContainerNode(), pos.offsetInContainerNode() + selectionStart.offsetInContainerNode());
}
deleteSelection(m_smartDelete);
// If the node for the destination has been removed as a result of the deletion,
// set the destination to the ending point after the deletion.
// Fixes: <rdar://problem/3910425> REGRESSION (Mail): Crash in ReplaceSelectionCommand;
// selection is empty, leading to null deref
if (!pos.inDocument())
pos = endingSelection().start();
cleanupAfterDeletion(VisiblePosition(pos));
setEndingSelection(VisibleSelection(pos, endingSelection().affinity(), endingSelection().isDirectional()));
if (!pos.inDocument()) {
// Document was modified out from under us.
return;
}
ReplaceSelectionCommand::CommandOptions options = ReplaceSelectionCommand::SelectReplacement | ReplaceSelectionCommand::PreventNesting;
if (m_smartInsert)
options |= ReplaceSelectionCommand::SmartReplace;
applyCommandToComposite(ReplaceSelectionCommand::create(document(), m_fragment, options));
}
