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//
//  NSAppleEventDescriptor-Extensions.m
//
//  Created by Hori,Masaki on 06/01/25.
//  Copyright 2006 __MyCompanyName__. All rights reserved.
//

#import "NSAppleEventDescriptor-Extensions.h"

NSString *HMAEDescriptorSendingNotAppleEventException = @"HMAEDescriptorSendingNotAppleEventException";
static NSString *HMAEDesNotAEExceptionResonFormat = @"Should be call to instance of NSAppleEventDescriptor descriptorType are typeAppleEvent."
														  @"But self is %@.";

@implementation NSAppleEventDescriptor(HMCocoaExtention)

+ (id)descriptorWithFloat:(float)aFloat
{
	return [self descriptorWithDescriptorType:typeIEEE32BitFloatingPoint
										bytes:&aFloat
									   length:sizeof(aFloat)];
}

+ (id)targetDescriptorWithApplicationIdentifier:(NSString *)identifier
{
	const char *bundleIdentifierStr = [identifier UTF8String];
	
    return [self descriptorWithDescriptorType:typeApplicationBundleID
										bytes:bundleIdentifierStr
									   length:strlen(bundleIdentifierStr)];
}
+ (id)targetDescriptorWithAppName:(NSString *)appName
{
	NSString *path;
	NSBundle *bundle;
	NSString *bundleIdentifier;
	
	path = [[NSWorkspace sharedWorkspace] fullPathForApplication:appName];
    bundle = [NSBundle bundleWithPath:path];
    bundleIdentifier = [bundle bundleIdentifier];
    
	return [self targetDescriptorWithApplicationIdentifier:bundleIdentifier];
}

+(id)objectSpecifierWithDesiredClass:(DescType)desiredClass
						   container:(NSAppleEventDescriptor *)container
							 keyForm:(DescType)keyForm
							 keyData:(NSAppleEventDescriptor *)keyData
{
	AEDesc objectSpecifier;
	
	OSStatus err;
	
	if(!keyData) return nil;
	if(!container) {
		container = [self nullDescriptor];
	}
	
	
	err = CreateObjSpecifier( desiredClass,
							  (AEDesc *)[container aeDesc],
							  keyForm,
							  (AEDesc *)[keyData  aeDesc],
							  NO,
							  &objectSpecifier );
	
	if( err != noErr ) return nil;
	
	return [[[[self class] alloc] initWithAEDescNoCopy:&objectSpecifier] autorelease];
}


#pragma mark## Instance Method ##
- (OSStatus)sendAppleEventWithMode:(AESendMode)mode
					timeOutInTicks:(long)timeOut
							 reply:(NSAppleEventDescriptor **)outReply
{
	AppleEvent reply;
	OSStatus err;
	
	if([self descriptorType] != typeAppleEvent) {
		[NSException raise:HMAEDescriptorSendingNotAppleEventException
					format:HMAEDesNotAEExceptionResonFormat, self];
	}
	
	err = AESendMessage([self aeDesc], &reply, mode, timeOut);
	if(err != noErr) return err;
	
	if(outReply && ((mode & kAEWaitReply) == kAEWaitReply)) {
		*outReply = [[[[self class] allocWithZone:[self zone]] initWithAEDescNoCopy:&reply] autorelease];
	}
	
	return err;
}

@end