/*

 * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)

 * Copyright (C) 2010 Apple Inc. All rights reserved.

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Library General Public

 * License as published by the Free Software Foundation; either

 * version 2 of the License, or (at your option) any later version.

 *

 * This library is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 * Library General Public License for more details.

 *

 * You should have received a copy of the GNU Library General Public License

 * along with this library; see the file COPYING.LIB.  If not, write to

 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,

 * Boston, MA 02110-1301, USA.

 */

#ifndef EditingBehavior_h

#define EditingBehavior_h

#include "EditingBehaviorTypes.h"

namespace WebCore {

class EditingBehavior {

public:

    EditingBehavior(EditingBehaviorType type)

        : m_type(type)

    {

    }

    // Individual functions for each case where we have more than one style of editing behavior.

    // Create a new function for any platform difference so we can control it here.

    // When extending a selection beyond the top or bottom boundary of an editable area,

    // maintain the horizontal position on Windows but extend it to the boundary of the editable

    // content on Mac.

    bool shouldMoveCaretToHorizontalBoundaryWhenPastTopOrBottom() const { return m_type != EditingWindowsBehavior; }

    // On Windows, selections should always be considered as directional, regardless if it is

    // mouse-based or keyboard-based.

    bool shouldConsiderSelectionAsDirectional() const { return m_type != EditingMacBehavior; }

    // On Mac, when revealing a selection (for example as a result of a Find operation on the Browser),

    // content should be scrolled such that the selection gets certer aligned.

    bool shouldCenterAlignWhenSelectionIsRevealed() const { return m_type == EditingMacBehavior; }

    // On Mac, style is considered present when present at the beginning of selection. On other platforms,

    // style has to be present throughout the selection.

    bool shouldToggleStyleBasedOnStartOfSelection() const { return m_type == EditingMacBehavior; }

private:

    EditingBehaviorType m_type;

};

} // namespace WebCore

#endif // EditingBehavior_h