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/*
* Copyright (c) 2007-2009 Dave Dribin
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy,
* modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
/*
* This class is based on CInvocationGrabber:
*
* Copyright (c) 2007, Toxic Software
* All rights reserved.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* * 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.
*
* * Neither the name of the Toxic Software nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND 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 THE REGENTS OR 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 "DDInvocationGrabber.h"
@implementation DDInvocationGrabber
+ (id)invocationGrabber
{
return([[[self alloc] init] autorelease]);
}
- (id)init
{
_target = nil;
_invocation = nil;
_forwardInvokesOnMainThread = NO;
_invocationThread = nil;
_waitUntilDone = NO;
return self;
}
- (void)dealloc
{
[self setTarget:NULL];
[self setInvocation:NULL];
//
[super dealloc];
}
#pragma mark -
- (id)target
{
return _target;
}
- (void)setTarget:(id)inTarget
{
if (_target != inTarget)
{
[_target autorelease];
_target = [inTarget retain];
}
}
- (NSInvocation *)invocation
{
return _invocation;
}
- (void)setInvocation:(NSInvocation *)inInvocation
{
if (_invocation != inInvocation)
{
[_invocation autorelease];
_invocation = [inInvocation retain];
}
}
- (BOOL)forwardInvokesOnMainThread;
{
return _forwardInvokesOnMainThread;
}
- (void)setForwardInvokesOnMainThread:(BOOL)forwardInvokesOnMainThread;
{
_forwardInvokesOnMainThread = forwardInvokesOnMainThread;
}
#if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5)
- (void)setInvokesOnThread:(NSThread *)thread;
{
_invocationThread = thread;
}
#endif
- (BOOL)waitUntilDone;
{
return _waitUntilDone;
}
- (void)setWaitUntilDone:(BOOL)waitUntilDone;
{
_waitUntilDone = waitUntilDone;
}
#pragma mark -
- (NSMethodSignature *)methodSignatureForSelector:(SEL)selector
{
return [[self target] methodSignatureForSelector:selector];
}
- (void)forwardInvocation:(NSInvocation *)ioInvocation
{
[ioInvocation setTarget:[self target]];
[self setInvocation:ioInvocation];
BOOL invokeOnOtherThread = _forwardInvokesOnMainThread || (_invocationThread != nil);
if (invokeOnOtherThread && !_waitUntilDone)
{
[_invocation retainArguments];
}
if (_forwardInvokesOnMainThread)
{
[_invocation performSelectorOnMainThread:@selector(invoke)
withObject:nil
waitUntilDone:_waitUntilDone];
}
#if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5)
if (_invocationThread != nil)
{
[_invocation performSelector:@selector(invoke)
onThread:_invocationThread
withObject:nil
waitUntilDone:_waitUntilDone];
}
#endif
}
@end
#pragma mark -
@implementation DDInvocationGrabber (DDnvocationGrabber_Conveniences)
- (id)prepareWithInvocationTarget:(id)inTarget
{
[self setTarget:inTarget];
return(self);
}
@end