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75d23375ce
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@27988 72102866-910b-0410-8b05-ffd578937521
95 lines
2.5 KiB
Objective-C
95 lines
2.5 KiB
Objective-C
/**
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Copyright (C) 2008-2009 Free Software Foundation, Inc.
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By: Richard Frith-Macdonald <richard@brainstorm.co.uk>
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This file is part of the GNUstep Base Library.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free
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Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02111 USA.
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$Date: 2009-02-23 20:42:32 +0000 (Mon, 23 Feb 2009) $ $Revision: 27962 $
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*/
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#import "config.h"
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#import "GNUstepBase/preface.h"
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#import "GSRunLoopWatcher.h"
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#import <Foundation/NSException.h>
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#import <Foundation/NSPort.h>
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@implementation GSRunLoopWatcher
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- (void) dealloc
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{
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[super dealloc];
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}
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- (id) initWithType: (RunLoopEventType)aType
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receiver: (id)anObj
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data: (void*)item
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{
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_invalidated = NO;
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receiver = anObj;
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data = item;
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switch (aType)
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{
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#if defined(__MINGW32__)
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case ET_HANDLE: type = aType; break;
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case ET_WINMSG: type = aType; break;
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#else
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case ET_EDESC: type = aType; break;
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case ET_RDESC: type = aType; break;
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case ET_WDESC: type = aType; break;
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#endif
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case ET_RPORT: type = aType; break;
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case ET_TRIGGER: type = aType; break;
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default:
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RELEASE(self);
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[NSException raise: NSInvalidArgumentException
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format: @"NSRunLoop - unknown event type"];
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}
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if ([anObj respondsToSelector: @selector(runLoopShouldBlock:)])
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{
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checkBlocking = YES;
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}
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if (![anObj respondsToSelector: @selector(receivedEvent:type:extra:forMode:)])
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{
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RELEASE(self);
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[NSException raise: NSInvalidArgumentException
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format: @"RunLoop listener has no event handling method"];
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}
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return self;
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}
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- (BOOL) runLoopShouldBlock: (BOOL*)trigger
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{
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if (checkBlocking == YES)
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{
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BOOL result = [(id)receiver runLoopShouldBlock: trigger];
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return result;
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}
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else if (type == ET_TRIGGER)
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{
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*trigger = YES;
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return NO; // By default triggers may fire immediately
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}
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*trigger = YES;
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return YES; // By default we must wait for input sources
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}
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@end
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