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author | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 19:30:52 -0800 |
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committer | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 19:30:52 -0800 |
commit | 8e35f3cfc7fba1d1c829dc557ebad6409cbe16a2 (patch) | |
tree | 11425ea0b299d6fb89c6d3618a22d97d5bf68d0f /WebCore/editing/MoveSelectionCommand.cpp | |
parent | 648161bb0edfc3d43db63caed5cc5213bc6cb78f (diff) | |
download | external_webkit-8e35f3cfc7fba1d1c829dc557ebad6409cbe16a2.zip external_webkit-8e35f3cfc7fba1d1c829dc557ebad6409cbe16a2.tar.gz external_webkit-8e35f3cfc7fba1d1c829dc557ebad6409cbe16a2.tar.bz2 |
auto import from //depot/cupcake/@135843
Diffstat (limited to 'WebCore/editing/MoveSelectionCommand.cpp')
-rw-r--r-- | WebCore/editing/MoveSelectionCommand.cpp | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/WebCore/editing/MoveSelectionCommand.cpp b/WebCore/editing/MoveSelectionCommand.cpp new file mode 100644 index 0000000..08587cb --- /dev/null +++ b/WebCore/editing/MoveSelectionCommand.cpp @@ -0,0 +1,81 @@ +/* + * Copyright (C) 2005, 2006 Apple Computer, Inc. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY + * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "config.h" +#include "MoveSelectionCommand.h" + +#include "DocumentFragment.h" +#include "ReplaceSelectionCommand.h" + +namespace WebCore { + +MoveSelectionCommand::MoveSelectionCommand(PassRefPtr<DocumentFragment> fragment, const Position& position, bool smartMove) + : CompositeEditCommand(position.node()->document()), m_fragment(fragment), m_position(position), m_smartMove(smartMove) +{ + ASSERT(m_fragment); +} + +void MoveSelectionCommand::doApply() +{ + Selection selection = endingSelection(); + ASSERT(selection.isRange()); + + Position pos = m_position; + if (pos.isNull()) + return; + + // Update the position otherwise it may become invalid after the selection is deleted. + Node *positionNode = m_position.node(); + int positionOffset = m_position.offset(); + Position selectionEnd = selection.end(); + int selectionEndOffset = selectionEnd.offset(); + if (selectionEnd.node() == positionNode && selectionEndOffset < positionOffset) { + positionOffset -= selectionEndOffset; + Position selectionStart = selection.start(); + if (selectionStart.node() == positionNode) { + positionOffset += selectionStart.offset(); + } + pos = Position(positionNode, positionOffset); + } + + deleteSelection(m_smartMove); + + // 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.node()->inDocument()) + pos = endingSelection().start(); + + setEndingSelection(Selection(pos, endingSelection().affinity())); + applyCommandToComposite(ReplaceSelectionCommand::create(positionNode->document(), m_fragment, true, m_smartMove)); +} + +EditAction MoveSelectionCommand::editingAction() const +{ + return EditActionDrag; +} + +} // namespace WebCore |