// -*- mode: c++; c-basic-offset: 4 -*-

/*

 * Copyright (C) 2007 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.

 */

#import "config.h"

#import "Chrome.h"

#import "BlockExceptions.h"

#import "Frame.h"

#import "Page.h"

namespace WebCore {

void Chrome::focusNSView(NSView* view)

{

    BEGIN_BLOCK_OBJC_EXCEPTIONS;

    WebCoreFrameBridge *bridge = m_page->mainFrame()->bridge();

    NSResponder *firstResponder = [bridge firstResponder];

    if (firstResponder == view)

        return;

    if (![view window] || ![view superview] || ![view acceptsFirstResponder])

        return;

    [bridge makeFirstResponder:view];

    // Setting focus can actually cause a style change which might

    // remove the view from its superview while it's being made

    // first responder. This confuses AppKit so we must restore

    // the old first responder.

    if (![view superview])

        [bridge makeFirstResponder:firstResponder];

    END_BLOCK_OBJC_EXCEPTIONS;

}

} // namespace WebCore