SetSelectionCommand.cpp   [plain text]


/*
 * Copyright (C) 2011 Apple Inc. All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
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 *    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,
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#include "config.h"
#include "SetSelectionCommand.h"

#include "Document.h"
#include "Frame.h"

namespace WebCore {

SetSelectionCommand::SetSelectionCommand(const VisibleSelection& selection, FrameSelection::SetSelectionOptions options)
    : SimpleEditCommand(selection.base().anchorNode()->document())
    , m_options(options)
    , m_selectionToSet(selection)
{
}

void SetSelectionCommand::doApply()
{
    FrameSelection* selection = document()->frame()->selection();
    ASSERT(selection);

    if (selection->shouldChangeSelection(m_selectionToSet) && m_selectionToSet.isNonOrphanedCaretOrRange()) {
        selection->setSelection(m_selectionToSet, m_options);
        setEndingSelection(m_selectionToSet);
    }
}

void SetSelectionCommand::doUnapply()
{
    FrameSelection* selection = document()->frame()->selection();
    ASSERT(selection);

    if (selection->shouldChangeSelection(startingSelection()) && startingSelection().isNonOrphanedCaretOrRange())
        selection->setSelection(startingSelection(), m_options);
}

} // namespace WebCore