third_party/blink/renderer/platform/mac/web_core_ns_cell_extras.mm

/*
 * Copyright (C) 2011, 2012 Apple 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 INC. AND ITS CONTRIBUTORS ``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 INC. OR ITS 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.
 */

#import "third_party/blink/renderer/platform/mac/web_core_ns_cell_extras.h"

@interface NSCell (LionSDKDeclarations)
- (void)drawFocusRingMaskWithFrame:(NSRect)cellFrame
                            inView:(NSView*)controlView;
@end

@implementation NSCell (BlinkFocusRingDrawing)

- (void)cr_drawFocusRingWithFrame:(NSRect)cellFrame
                           inView:(NSView*)controlView {
  CGContextRef cgContext =
      (CGContextRef)[[NSGraphicsContext currentContext] graphicsPort];
  CGContextSaveGState(cgContext);
  NSSetFocusRingStyle(NSFocusRingOnly);
  CGContextBeginTransparencyLayerWithRect(cgContext, NSRectToCGRect(cellFrame),
                                          0);
  [self drawFocusRingMaskWithFrame:cellFrame inView:controlView];
  CGContextEndTransparencyLayer(cgContext);
  CGContextRestoreGState(cgContext);
}

@end