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      1 /*
      2  * Copyright (C) 2003 Apple Computer, Inc.  All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  * 1. Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  * 2. Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
     14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
     17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #import "config.h"
     27 #import "WebCoreView.h"
     28 
     29 @interface NSClipView (WebCoreView)
     30 - (NSView *)_webcore_effectiveFirstResponder;
     31 @end
     32 
     33 @interface NSScrollView (WebCoreView)
     34 - (NSView *)_webcore_effectiveFirstResponder;
     35 @end
     36 
     37 @implementation NSView (WebCoreView)
     38 
     39 - (NSView *)_webcore_effectiveFirstResponder
     40 {
     41     return self;
     42 }
     43 
     44 @end
     45 
     46 @implementation NSClipView (WebCoreView)
     47 
     48 - (NSView *)_webcore_effectiveFirstResponder
     49 {
     50     NSView *view = [self documentView];
     51     return view ? [view _webcore_effectiveFirstResponder] : [super _webcore_effectiveFirstResponder];
     52 }
     53 
     54 @end
     55 
     56 @implementation NSScrollView (WebCoreView)
     57 
     58 - (NSView *)_webcore_effectiveFirstResponder
     59 {
     60     NSView *view = [self contentView];
     61     return view ? [view _webcore_effectiveFirstResponder] : [super _webcore_effectiveFirstResponder];
     62 }
     63 
     64 @end
     65 
     66