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 26 namespace WebCore { 27 28 29 void Chrome::focusNSView(NSView* view) 30 { 31 BEGIN_BLOCK_OBJC_EXCEPTIONS; 32 33 NSResponder *firstResponder = client()->firstResponder(); 34 if (firstResponder == view) 35 return; 36 37 if (![view window] || ![view superview] || ![view acceptsFirstResponder]) 38 return; 39 40 client()->makeFirstResponder(view); 41 42 // Setting focus can actually cause a style change which might 43 // remove the view from its superview while it's being made 44 // first responder. This confuses AppKit so we must restore 45 // the old first responder. 46 if (![view superview]) 47 client()->makeFirstResponder(firstResponder); 48 49 END_BLOCK_OBJC_EXCEPTIONS; 50 } 51 52 } // namespace WebCore 53
