* Adium is the legal property of its developers, whose names are listed in the copyright file included * with this source distribution. * This program is free software; you can redistribute it and/or modify it under the terms of the GNU * General Public License as published by the Free Software Foundation; either version 2 of the License, * or (at your option) any later version. * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General * Public License for more details. * You should have received a copy of the GNU General Public License along with this program; if not, * write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. #import <Foundation/Foundation.h> * @brief Daemon to run applescripts, optionally with a function name and arguments, and respond over NSDistributedNotificationCenter //After SECONDS_INACTIVITY_BEFORE_AUTOMATIC_QUIT seconds without any activity, the daemon will quit itself #define SECONDS_INACTIVITY_BEFORE_AUTOMATIC_QUIT 600 /* 10 minutes */ @interface AIApplescriptRunner :
NSObject {} - (void)applescriptRunnerIsReady; - (void)resetAutomaticQuitTimer; @interface AIApplescriptRunner () - (void)beginObservingForDistributedNotifications; - (void)respondIfReady:(NSNotification *)inNotification; - (void)executeScript:(NSNotification *)inNotification; - (void)quit:(NSNotification *)inNotification; @implementation AIApplescriptRunner if ((self = [super init])) { NSNotificationCenter *localNotificationCenter = [NSNotificationCenter defaultCenter]; [localNotificationCenter addObserver:self selector:@selector(executeScript:) name:@"AdiumApplescriptRunner_ExecuteScript" - (void)beginObservingForDistributedNotifications NSDistributedNotificationCenter *distributedNotificationCenter = [NSDistributedNotificationCenter defaultCenter]; [distributedNotificationCenter addObserver:self selector:@selector(respondIfReady:) name:@"AdiumApplescriptRunner_RespondIfReady" [distributedNotificationCenter addObserver:self selector:@selector(executeScript:) name:@"AdiumApplescriptRunner_ExecuteScript" [distributedNotificationCenter addObserver:self selector:@selector(quit:) name:@"AdiumApplescriptRunner_Quit" [self applescriptRunnerIsReady]; [self resetAutomaticQuitTimer]; * @brief Inform observers on the NSDistributedNotificationCenter that the applesript runner is ready - (void)applescriptRunnerIsReady //Check for an existing AdiumApplescriptRunner; if there is one, it will respond with AdiumApplescriptRunnerIsReady [[NSDistributedNotificationCenter defaultCenter] postNotificationName:@"AdiumApplescriptRunner_IsReady" * @brief Observer method which responds to the @"AdiumApplescriptRunner_RespondIfReady" distributed notification * This allows simple two-way communicatino from the host application to the daemon without setting up proxy or ports - (void)respondIfReady:(NSNotification *)inNotification NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; [self applescriptRunnerIsReady]; * @brief Execute an applescript * @param inNotification An NSNotificatoin whose userInfo NSDictionary has @"funtion", @"arguments", @"path", and @"uniqueID" keys - (void)executeScript:(NSNotification *)inNotification NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; NSDictionary *userInfo = [inNotification userInfo]; NSAppleScript *appleScript; NSAppleEventDescriptor *thisApplication, *containerEvent; NSString *functionName = [userInfo objectForKey:@"function"]; NSArray *scriptArgumentArray = [userInfo objectForKey:@"arguments"]; NSURL *pathURL = [NSURL fileURLWithPath:[userInfo objectForKey:@"path"]]; NSString *resultString = nil; appleScript = [[NSAppleScript alloc] initWithContentsOfURL:pathURL if (functionName && [functionName length]) { /* If we have a functionName (and potentially arguments), we build * an NSAppleEvent to execute the script. */ //Get a descriptor for ourself int pid = [[NSProcessInfo processInfo] processIdentifier]; thisApplication = [NSAppleEventDescriptor descriptorWithDescriptorType:typeKernelProcessID //Create the container event //We need these constants from the Carbon OpenScripting framework, but we don't actually need Carbon.framework... #define kASAppleScriptSuite 'ascr' #define kASSubroutineEvent 'psbr' #define keyASSubroutineName 'snam' containerEvent = [NSAppleEventDescriptor appleEventWithEventClass:kASAppleScriptSuite eventID:kASSubroutineEvent targetDescriptor:thisApplication returnID:kAutoGenerateReturnID transactionID:kAnyTransactionID]; //Set the target function [containerEvent setParamDescriptor:[NSAppleEventDescriptor descriptorWithString:functionName] forKeyword:keyASSubroutineName]; //Pass arguments - arguments is expecting an NSArray with only NSString objects if ([scriptArgumentArray count]) { NSAppleEventDescriptor *arguments = [[NSAppleEventDescriptor alloc] initListDescriptor]; for (object in scriptArgumentArray) { [arguments insertDescriptor:[NSAppleEventDescriptor descriptorWithString:object] atIndex:([arguments numberOfItems] + 1)]; //This +1 seems wrong... but it's not [containerEvent setParamDescriptor:arguments forKeyword:keyDirectObject]; resultString = [[appleScript executeAppleEvent:containerEvent error:NULL] stringValue]; resultString = [[appleScript executeAndReturnError:NULL] stringValue]; //Notify of the script's completion and the result [[NSDistributedNotificationCenter defaultCenter] postNotificationName:@"AdiumApplescript_DidRun" userInfo:[NSDictionary dictionaryWithObjectsAndKeys: [userInfo objectForKey:@"uniqueID"], @"uniqueID", (resultString ? resultString : @""), @"resultString", //Reset the automatic quit timer [self resetAutomaticQuitTimer]; * @brief Quit, notifying via the NSDistributedNotificationCenter that we're quitting - (void)quit:(NSNotification *)inNotification [NSObject cancelPreviousPerformRequestsWithTarget:self]; [[NSDistributedNotificationCenter defaultCenter] postNotificationName:@"AdiumApplescriptRunner_DidQuit" [[NSDistributedNotificationCenter defaultCenter] removeObserver:self]; * @brief Reset the automatic quit timer, which will exit this program after SECONDS_INACTIVITY_BEFORE_AUTOMATIC_QUIT - (void)resetAutomaticQuitTimer [NSObject cancelPreviousPerformRequestsWithTarget:self selector:@selector(quit:) [self performSelector:@selector(quit:) afterDelay:SECONDS_INACTIVITY_BEFORE_AUTOMATIC_QUIT]; int main(int argc, const char *argv[]) NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; AIApplescriptRunner *applescriptRunner; NSProcessInfo *processInfo; NSArray *processArguments; NSEnumerator *processArgumentsEnum; applescriptRunner = [[AIApplescriptRunner alloc] init]; processInfo = [NSProcessInfo processInfo]; processArguments = [processInfo arguments]; processArgumentsEnum = [processArguments objectEnumerator]; (void)[processArgumentsEnum nextObject]; //The first argument is the command name. We don't need that. scriptPath = [processArgumentsEnum nextObject]; // It appears LSOpenFromRefSpec passes something of the form -psn_0_1234, don't interpret that as the path of a script. if (!scriptPath || [scriptPath hasPrefix:@"-psn_"]) { [applescriptRunner beginObservingForDistributedNotifications]; //Run in the background for up to SECONDS_INACTIVITY_BEFORE_AUTOMATIC_QUIT seconds, waiting for Adium to give us a script to run. [[NSRunLoop currentRunLoop] run]; [applescriptRunner quit:nil]; //Run the appointed script and then bail. NSString *functionName = [processArgumentsEnum nextObject]; NSArray *scriptArgumentArray = nil; NSNotification *notification; NSMutableArray *collectedArgs = [NSMutableArray array]; for (NSString *arg in processArgumentsEnum) { [collectedArgs addObject:arg]; scriptArgumentArray = collectedArgs; userInfo = [NSDictionary dictionaryWithObjectsAndKeys: functionName, @"function", scriptArgumentArray, @"arguments", notification = [NSNotification notificationWithName:@"AdiumApplescriptRunner_ExecuteScript" object:nil userInfo:userInfo]; [[NSNotificationCenter defaultCenter] postNotification:notification]; [applescriptRunner release];
