1/* 2 * Copyright (C) 2007, 2008 Apple Inc. All rights reserved. 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Library General Public 6 * License as published by the Free Software Foundation; either 7 * version 2 of the License, or (at your option) any later version. 8 * 9 * This library is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Library General Public License for more details. 13 * 14 * You should have received a copy of the GNU Library General Public License 15 * along with this library; see the file COPYING.LIB. If not, write to 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 17 * Boston, MA 02110-1301, USA. 18 */ 19 20#import "config.h" 21#import "Chrome.h" 22 23#import "BlockExceptions.h" 24#import "ChromeClient.h" 25 26namespace WebCore { 27 28 29void Chrome::focusNSView(NSView* view) 30{ 31 BEGIN_BLOCK_OBJC_EXCEPTIONS; 32 33 // Handle the WK2 case where there is no view passed in. 34 if (!view) { 35 client()->makeFirstResponder(); 36 return; 37 } 38 39 NSResponder *firstResponder = client()->firstResponder(); 40 if (firstResponder == view) 41 return; 42 43 if (![view window] || ![view superview] || ![view acceptsFirstResponder]) 44 return; 45 46 client()->makeFirstResponder(view); 47 48 // Setting focus can actually cause a style change which might 49 // remove the view from its superview while it's being made 50 // first responder. This confuses AppKit so we must restore 51 // the old first responder. 52 if (![view superview]) 53 client()->makeFirstResponder(firstResponder); 54 55 END_BLOCK_OBJC_EXCEPTIONS; 56} 57 58} // namespace WebCore 59