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#if PLATFORM(IOS) 27#include "WAKResponder.h" 28#include "WAKView.h" 29#endif 30 31namespace WebCore { 32 33 34void Chrome::focusNSView(NSView* view) 35{ 36 BEGIN_BLOCK_OBJC_EXCEPTIONS; 37 38 // Handle the WK2 case where there is no view passed in. 39 if (!view) { 40 client().makeFirstResponder(); 41 return; 42 } 43 44 NSResponder *firstResponder = client().firstResponder(); 45 if (firstResponder == view) 46 return; 47 48 if (![view window] || ![view superview] || ![view acceptsFirstResponder]) 49 return; 50 51 client().makeFirstResponder(view); 52 53 // Setting focus can actually cause a style change which might 54 // remove the view from its superview while it's being made 55 // first responder. This confuses AppKit so we must restore 56 // the old first responder. 57 if (![view superview]) 58 client().makeFirstResponder(firstResponder); 59 60 END_BLOCK_OBJC_EXCEPTIONS; 61} 62 63} // namespace WebCore 64