/* * Copyright (C) 2013 Apple Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF * THE POSSIBILITY OF SUCH DAMAGE. */ #import "config.h" #import "WKObject.h" #if WK_API_ENABLED #import "APIObject.h" @implementation WKObject { BOOL _hasInitializedTarget; NSObject *_target; } - (void)dealloc { static_cast<API::Object*>(object_getIndexedIvars(self))->~Object(); [_target release]; [super dealloc]; } static inline void initializeTargetIfNeeded(WKObject *self) { if (self->_hasInitializedTarget) return; self->_hasInitializedTarget = YES; self->_target = [self _web_createTarget]; } - (BOOL)isEqual:(id)object { if (object == self) return YES; if (!object) return NO; initializeTargetIfNeeded(self); return [_target isEqual:object]; } - (NSUInteger)hash { initializeTargetIfNeeded(self); return _target ? [_target hash] : [super hash]; } - (BOOL)isKindOfClass:(Class)aClass { initializeTargetIfNeeded(self); return [_target isKindOfClass:aClass]; } - (BOOL)isMemberOfClass:(Class)aClass { initializeTargetIfNeeded(self); return [_target isMemberOfClass:aClass]; } - (BOOL)respondsToSelector:(SEL)selector { initializeTargetIfNeeded(self); return [_target respondsToSelector:selector] || [super respondsToSelector:selector]; } - (BOOL)conformsToProtocol:(Protocol *)protocol { initializeTargetIfNeeded(self); return [_target conformsToProtocol:protocol] || [super conformsToProtocol:protocol]; } - (id)forwardingTargetForSelector:(SEL)selector { initializeTargetIfNeeded(self); return _target; } - (NSString *)description { initializeTargetIfNeeded(self); return _target ? [_target description] : [super description]; } - (Class)classForCoder { initializeTargetIfNeeded(self); return [_target classForCoder]; } - (Class)classForKeyedArchiver { initializeTargetIfNeeded(self); return [_target classForKeyedArchiver]; } - (NSObject *)_web_createTarget { return nil; } #pragma mark WKObject protocol implementation - (API::Object&)_apiObject { return *static_cast<API::Object*>(object_getIndexedIvars(self)); } @end #endif // WK_API_ENABLED