15c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/* 25c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2005, 2006 Apple Computer, Inc. All rights reserved. 35c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 45c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Redistribution and use in source and binary forms, with or without 55c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * modification, are permitted provided that the following conditions 65c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * are met: 75c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 1. Redistributions of source code must retain the above copyright 85c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * notice, this list of conditions and the following disclaimer. 95c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 2. Redistributions in binary form must reproduce the above copyright 105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * notice, this list of conditions and the following disclaimer in the 115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * documentation and/or other materials provided with the distribution. 125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 2302772c6a72f1ee0b226341a4f4439970c29fc861Ben Murdoch * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 255c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 265c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#include "config.h" 2753e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "core/editing/MoveSelectionCommand.h" 285c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 2953e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "core/dom/DocumentFragment.h" 3053e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "core/editing/ReplaceSelectionCommand.h" 315c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 32c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles)namespace blink { 335c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 34d6cdb82654e8f3343a693ca752d5c4cee0324e17Torne (Richard Coles)MoveSelectionCommand::MoveSelectionCommand(PassRefPtrWillBeRawPtr<DocumentFragment> fragment, const Position& position, bool smartInsert, bool smartDelete) 358abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) : CompositeEditCommand(*position.document()), m_fragment(fragment), m_position(position), m_smartInsert(smartInsert), m_smartDelete(smartDelete) 365c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 375c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) ASSERT(m_fragment); 385c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 395c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 405c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)void MoveSelectionCommand::doApply() 415c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 425c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) ASSERT(endingSelection().isNonOrphanedRange()); 435c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 445c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) Position pos = m_position; 455c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (pos.isNull()) 465c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return; 475c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 485c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // Update the position otherwise it may become invalid after the selection is deleted. 495c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) Position selectionEnd = endingSelection().end(); 505c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (pos.anchorType() == Position::PositionIsOffsetInAnchor && selectionEnd.anchorType() == Position::PositionIsOffsetInAnchor 515c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) && selectionEnd.containerNode() == pos.containerNode() && selectionEnd.offsetInContainerNode() < pos.offsetInContainerNode()) { 525c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) pos.moveToOffset(pos.offsetInContainerNode() - selectionEnd.offsetInContainerNode()); 535c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 545c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) Position selectionStart = endingSelection().start(); 555c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (selectionStart.anchorType() == Position::PositionIsOffsetInAnchor && selectionStart.containerNode() == pos.containerNode()) 565c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) pos.moveToOffset(pos.offsetInContainerNode() + selectionStart.offsetInContainerNode()); 575c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 585c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 595c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) deleteSelection(m_smartDelete); 605c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 615c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // If the node for the destination has been removed as a result of the deletion, 625c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // set the destination to the ending point after the deletion. 6302772c6a72f1ee0b226341a4f4439970c29fc861Ben Murdoch // Fixes: <rdar://problem/3910425> REGRESSION (Mail): Crash in ReplaceSelectionCommand; 645c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // selection is empty, leading to null deref 658abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) if (!pos.inDocument()) 665c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) pos = endingSelection().start(); 675c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 68d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) cleanupAfterDeletion(VisiblePosition(pos)); 69926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 705c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) setEndingSelection(VisibleSelection(pos, endingSelection().affinity(), endingSelection().isDirectional())); 718abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) if (!pos.inDocument()) { 725c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // Document was modified out from under us. 735c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return; 745c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 755c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) ReplaceSelectionCommand::CommandOptions options = ReplaceSelectionCommand::SelectReplacement | ReplaceSelectionCommand::PreventNesting; 765c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (m_smartInsert) 775c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) options |= ReplaceSelectionCommand::SmartReplace; 785c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) applyCommandToComposite(ReplaceSelectionCommand::create(document(), m_fragment, options)); 795c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 805c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 815c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)EditAction MoveSelectionCommand::editingAction() const 825c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 835c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return EditActionDrag; 845c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 855c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 86f6b7aed3f7ce69aca0d7a032d144cbd088b04393Torne (Richard Coles)void MoveSelectionCommand::trace(Visitor* visitor) 87f6b7aed3f7ce69aca0d7a032d144cbd088b04393Torne (Richard Coles){ 88f6b7aed3f7ce69aca0d7a032d144cbd088b04393Torne (Richard Coles) visitor->trace(m_fragment); 89f6b7aed3f7ce69aca0d7a032d144cbd088b04393Torne (Richard Coles) visitor->trace(m_position); 90f6b7aed3f7ce69aca0d7a032d144cbd088b04393Torne (Richard Coles) CompositeEditCommand::trace(visitor); 91f6b7aed3f7ce69aca0d7a032d144cbd088b04393Torne (Richard Coles)} 92f6b7aed3f7ce69aca0d7a032d144cbd088b04393Torne (Richard Coles) 93c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles)} // namespace blink 94