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