AESpringBoardMsgCenter.mm

//
//  AESpringBoardMsgCenter.m
//  AssistantExtensions
//
//  Created by Kexik on 11/30/11.
//  Copyright (c) 2011 __MyCompanyName__. All rights reserved.
//

#include <notify.h>
#import <SpringBoard/SpringBoard.h>
#import "OS5Additions.h"
#include <substrate.h>

#import "AESpringBoardMsgCenter.h"
#include "main.h"
#include "AEStringAdditions.h"
#include "AESupport.h"

#include "AEExtension.h"
#include "systemcmds.h"

static BOOL s_firstRequestMade = NO; 

void SBCenterAssistantDismissed()
{
    s_firstRequestMade = NO; 
}

HOOK(SBAssistantGuideModel, _loadAllDomains, void)
{
    ORIG();
    NSMutableArray* _domains = nil;
    object_getInstanceVariable(self, "_domains", (void**)&_domains);
    if (_domains)
    {
        NSLog(@"AE: Populating the assistant guide.");
        /*SBAssistantGuideDomainModel* fst = [_domains objectAtIndex:0];
        NSLog(@"sections: %@", [fst sections]);
        NSLog(@"sectionFilename: %@", [fst sectionFilename]);
        NSLog(@"requiredCapabilities: %@", [fst requiredCapabilities]);
        NSLog(@"requiredApps: %@", [fst requiredApps]);
        NSLog(@"bundleIdentifier: %@", [fst bundleIdentifier]);
        NSLog(@"displayIdentifier: %@", [fst displayIdentifier]);
        NSLog(@"tagPhrase: %@", [fst tagPhrase]);
        NSLog(@"name: %@", [fst name]);
        NSLog(@"phrases of first section: %@", [[[fst sections] objectAtIndex:0] phrases]);*/
        
        static Class _SBAssistantGuideDomainModel = objc_getClass("SBAssistantGuideDomainModel");
        static Class _SBAssistantGuideSectionModel = objc_getClass("SBAssistantGuideSectionModel");
        
        /*// create domain model
        SBAssistantGuideDomainModel* dm = [[_SBAssistantGuideDomainModel alloc] init];
        [dm setSectionFilename:@"test"];
        [dm setBundleIdentifier:@"me.k3a.ace.extension"];
        //[dm setDisplayIdentifier:@"me.k3a.test"];
        [dm setName:@"Test"];
        [dm setTagPhrase:@"Test location"];
        //[dm setSectionFilename:@"LocationTest/Icon.png"];
        
        // add sections to the domain model
        NSMutableArray* _sections = [NSMutableArray array];
        SBAssistantGuideSectionModel* sec = [[_SBAssistantGuideSectionModel alloc] init];
        [sec setTitle:@"Testing location services"];
        [sec setPhrases:[NSArray arrayWithObjects:@"Test", @"Test location", @"What happened?", nil]];
        [_sections addObject:sec];
        object_setInstanceVariable(dm, "_sections", [_sections retain]);
        
        // add domain model to the list
        [_domains addObject:dm];*/
        
        for (AEExtension* ex in [AEExtension allExtensions])
        {
            NSDictionary* pttrns = [ex patternsPlist];
            if (pttrns)
            {
                // create domain model
                SBAssistantGuideDomainModel* dm = [[_SBAssistantGuideDomainModel alloc] init];
                if (!dm) { NSLog(@"AE: Unexpected error %s %d!!", __FILE__, __LINE__); continue; };
                [dm setBundleIdentifier:@"me.k3a.ace.extension"];
                [dm setName:[ex displayName]];
                
                NSString* example = [pttrns objectForKey:@"example"];
                if (example) 
                    [dm setTagPhrase:example];
                else
                    [dm setTagPhrase:[ex displayName]];
                    
                NSString* iconName = [pttrns objectForKey:@"icon"];
                if (iconName) [dm setSectionFilename:[NSString stringWithFormat:@"%@/%@",[ex name], iconName]];
                
                // create sections
                NSMutableArray* _sections = [[NSMutableArray alloc] init];
                
                NSDictionary* patternsFromPlist = [pttrns objectForKey:@"patterns"];
                for (NSString* patternKey in patternsFromPlist)
                {
                    NSDictionary* pat = [patternsFromPlist objectForKey:patternKey];
                    NSString* cat = [pat objectForKey:@"category"];
                    if (!cat) cat = @"Uncategorized";
                    NSArray* examples = [pat objectForKey:@"examples"];
                    if (!examples) continue;
                    
                    // try to find existing section by category
                    BOOL found = NO;
                    for (SBAssistantGuideSectionModel* s in _sections)
                    {
                        if ([cat caseInsensitiveCompare:[s title]] == NSOrderedSame)
                        {
                            [[s phrases] addObjectsFromArray:examples];
                            found = YES;
                            break;
                        }
                    }
                    
                    // not found, add
                    if (!found)
                    {
                        SBAssistantGuideSectionModel* sec = [[_SBAssistantGuideSectionModel alloc] init];
                        if (!sec) { NSLog(@"AE: Unexpected error %s %d!!", __FILE__, __LINE__); continue; };
                        [sec setTitle:cat];
                        [sec setPhrases:[NSMutableArray arrayWithArray:examples]];
                        [_sections addObject:sec];
                    }
                }
                
                if ([_sections count] > 0)
                {
                    // add sections to the domain model
                    object_setInstanceVariable(dm, "_sections", _sections);
                    
                    // add domain model to the list
                    [_domains addObject:dm];
                }
                else
                {
                    // just release
                    [dm release];
                }
            }
        }
    }
}
END

HOOK(SBAssistantGuideDomainListController, tableView$cellForRowAtIndexPath$, SBAssistantGuideDomainListCell*, UITableView* tableView, NSIndexPath* indexPath)
{
    SBAssistantGuideDomainListCell* cell = ORIG(tableView,indexPath);
    
    SBAssistantGuideModel* _model = nil;
    object_getInstanceVariable(self, "_model", (void**)&_model);
    SBAssistantGuideDomainModel* dm = [[_model allDomains] objectAtIndex:indexPath.row];
    
    if (_model && dm)
    {
        if ([[dm bundleIdentifier] isEqualToString:@"me.k3a.ace.extension"])
        {
            BOOL loadDefaultIcon = NO;
            
            NSArray* iconPathComponents = [[dm sectionFilename] componentsSeparatedByString:@"/"];
            if ([iconPathComponents count]<2)
            {
                loadDefaultIcon = YES;
                if ([[dm sectionFilename] length]>0)
                    NSLog(@"AE: Wrong icon path. Must be in format ExtensionNameWithoutPathEx/path/inside/bundle.png");
            }
            else
            {
                NSMutableString* iconPath = [NSMutableString stringWithString:@EXTENSIONS_PATH];
                for (NSString* comp in iconPathComponents)
                    [iconPath appendFormat:@"/%@", comp];
                
                //NSLog(@"AE: Setting the icon for the guide: %@", iconPath);
                if (iconPath && [iconPath length]>0)
                {
                    if (![iconPath hasSuffix:@".png"] && ![iconPath hasSuffix:@".jpg"])
                        [iconPath appendString:@".png"];
                    
                    UIImage* icon = [UIImage imageWithContentsOfFile:iconPath];
                    if (!icon) 
                    {
                        NSLog(@"AE: Error loading icon for the guide from '%@'!", iconPath);
                        loadDefaultIcon = YES;
                    }
                    else
                        [cell setIconImage:icon];
                }
            }
            
            // should load default icon?
            if (loadDefaultIcon)
            {
                UIImage* defImg = [UIImage imageWithContentsOfFile:@"/Library/PreferenceBundles/AEPrefs.bundle/AEPrefs@2x.png"];
                if (defImg)
                    [cell setIconImage:defImg];
                else
                    NSLog(@"AE: Failed to load default icon image!");
            }
        }
    }
    
    return cell;
}
END

static void InitSBHooks()
{
    GET_CLASS(SBAssistantGuideModel)
    LOAD_HOOK(SBAssistantGuideModel, _loadAllDomains, _loadAllDomains)
    GET_CLASS(SBAssistantGuideDomainListController)
    LOAD_HOOK(SBAssistantGuideDomainListController, tableView:cellForRowAtIndexPath:, tableView$cellForRowAtIndexPath$)
}

@implementation AESpringBoardMsgCenter

AESpringBoardMsgCenter* s_inst = nil;

+(AESpringBoardMsgCenter*)sharedInstance
{
    return s_inst;
}



//---------------

static NSMutableArray* s_tokens = nil;
static NSMutableSet* s_handled_refs = nil;

static bool s_reqHandledByExtension = false;

void RequestCompleted()
{
    s_reqHandledByExtension = false;
}

static bool HandleSpeech(NSString* refId, NSString* text, NSArray* tokens, NSSet* tokenset)
{
    // inform all extensions that the first request has been made and assistant is activated
    if (!s_firstRequestMade)
    {
        s_firstRequestMade = YES;
        
        for (AEExtension* ex in [AEExtension allExtensions])
            [ex callAssistantActivated];
    }
        
    if (s_reqHandledByExtension)
    {
        if (HandleSpeechExtensions(refId,text,tokens,tokenset))
            return true;
    }
    
    // handle standard commands
    //if (HandleSpeechSystemCmds(refId, text, tokens, tokenset)) return true;
    //if (HandleSpeechToggles(refId, text, tokens, tokenset)) return true;
    
    // handle chatbot
    /*if (!InChatMode() && 
        [tokens count] == 2 && 
        (   (
        [[tokens objectAtIndex:0] isEqualToString:@"let's"] && ( [[tokens objectAtIndex:1] isEqualToString:@"chat"] || [[tokens objectAtIndex:1] isEqualToString:@"talk"]) )
         || 
         (  [[tokens objectAtIndex:0] isEqualToString:@"initiate"] && [[tokens objectAtIndex:1] isEqualToString:@"conversation"] )
        )) // not yet in chat mode but chat requested
    {
        StartChatMode(refId);
        
        return true;
    }
    else if (InChatMode()) // in chat mode
    {
        if (HandleChat(refId, text, tokens, tokenset))
            return true;
    }
    else */if (HandleSpeechExtensions(refId,text,tokens,tokenset)) // check extensions
    {
        s_reqHandledByExtension = true;
        return true;
    }
    
    return false; // not handled
}

-(NSDictionary*)handleServer2Client:(NSString*)name userInfo:(NSDictionary*)userInfo
{
    NSDictionary* object = [userInfo objectForKey:@"object"];
    NSString* pClass = [object objectForKey:@"class"];
    NSString* pRefId = [object objectForKey:@"refId"];
    if (!pRefId) pRefId = [object objectForKey:@"aceId"];
    
    // is tweak disabled?
    NSNumber* tweakEnabled = [self prefForKey:@"enabled"];
    if (tweakEnabled && ![tweakEnabled boolValue])
    {
        NSLog(@"AE: Disabled - not doing anything");
        return [NSDictionary dictionaryWithObjectsAndKeys:object,@"object", nil]; // send normally
    }
    
    //NSLog(@"AE: handleServer2Client: %@", userInfo);
    
    // check whether it is already handled ref
    if ([s_handled_refs containsObject:pRefId])
    {
        NSLog(@"AE: Ignoring original server->client %@ object.", pClass);
        return [NSDictionary dictionaryWithObjectsAndKeys:nil,@"object", nil];
    }
    
    // try raw objects extension first
    bool handled = NO;
    for (AEExtension* ex in [AEExtension allExtensions])
    {
        if (object && [ex handlesServerToClientClass:pClass])
        {
            NSMutableDictionary* deepMutableCopy = (NSMutableDictionary*)
                CFPropertyListCreateDeepCopy(kCFAllocatorDefault, (CFDictionaryRef)object, kCFPropertyListMutableContainers);
            [deepMutableCopy autorelease];
            
            object = [ex serverToClient:deepMutableCopy context:[AEContext contextWithRefId:pRefId]];
            handled = YES;
        }
    }
    
    if (handled) return [NSDictionary dictionaryWithObjectsAndKeys:object,@"object", nil];
    
    //NSString* pGroup = [dict objectForKey:@"group"];
    // NSString* pAceId = [dict objectForKey:@"aceId"];
    NSDictionary* pProps = [object objectForKey:@"properties"];
    
    //NSLog(@">> ADAceConnection::_handleAceObject: [SERVER] %@", dict);

    // we will intercept SpeechRecognized only
    if ([pClass isEqualToString:@"SpeechRecognized"])
    {
        // call orig
        IPCCallResponse(@"me.k3a.AssistantExtensions.ad", @"Send2Client", [NSDictionary dictionaryWithObjectsAndKeys:object,@"object", nil]);
        
        [s_tokens removeAllObjects];
        
        //NSLog(@"===> RECOGNIT. PROPS: %@", [p1 properties]);
        NSArray* phrases = [[[pProps objectForKey:@"recognition"] objectForKey:@"properties"] objectForKey:@"phrases"];
        for (NSDictionary* phrase in phrases)
        {
            NSArray* interpretations = [[phrase objectForKey:@"properties"] objectForKey:@"interpretations"];
            NSMutableArray* phraseTokens = [NSMutableArray array];
            float bestInterpretationsScore = -1;
            
            // ...for all interpretations
            for (NSDictionary* interp in interpretations)
            {
                float currInterpretationsScore = 0;
                
                // ... for all tokens in interpretation
                NSArray* tokens = [[interp objectForKey:@"properties"] objectForKey:@"tokens"];
                NSMutableArray* interpTokens = [NSMutableArray array];
                
                for (id tok in tokens)
                {
                    int confidenceScore = [[[tok objectForKey:@"properties"] objectForKey:@"confidenceScore"] intValue];
                    NSString *tokText = [[tok objectForKey:@"properties"] objectForKey:@"text"];
                    if (tokText) 
                    { 
                        [interpTokens addObject:[tokText lowercaseString]];
                        currInterpretationsScore = confidenceScore;
                    }
                }
                
                // has the current interpretation better score? replace the phrase tokens with this one
                if ([tokens count]>0 && interpTokens)
                {
                    currInterpretationsScore /= [tokens count];
                    if (currInterpretationsScore > bestInterpretationsScore) 
                    {
                        [phraseTokens removeAllObjects];
                        [phraseTokens addObjectsFromArray:interpTokens];
                        bestInterpretationsScore = currInterpretationsScore;
                    }
                }
            }
            
            // add tokens of the best interpretation of the currnt phrase to the list of tokens
            if (phraseTokens) [s_tokens addObjectsFromArray:phraseTokens];
        }
        
        // create or get a sentence
        NSMutableString* textRaw = [NSMutableString string];
        for (NSString* tok in s_tokens)
        {
            [textRaw appendFormat:@"%@ ", tok];
            // TODO: probably create from interpretations above, also with proper case and without a space at the end
        }
        NSString* text = [textRaw stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];
        
        // SiriServer multi-word token fix
        [s_tokens setArray:[text componentsSeparatedByString:@" "]];
        
        NSLog(@"AE: ==> RECOGNIZED TOKENS: %@", s_tokens);
        
        NSSet* tokenset = [NSSet setWithArray:s_tokens];
        if (HandleSpeech(pRefId, text, s_tokens, tokenset))
        {
            // add this refId to the list of handled refs and ignore additional server responses for it
            if (pRefId) [s_handled_refs addObject:pRefId];
        }
        
        return [NSDictionary dictionaryWithObjectsAndKeys:nil,@"object", nil]; // we already sent the 'SpeechRecognized' object
    }
    
    return [NSDictionary dictionaryWithObjectsAndKeys:object,@"object", nil]; // send normally
}

-(NSDictionary*)handleClient2Server:(NSString*)name userInfo:(NSDictionary*)userInfo
{
    NSDictionary* object = [userInfo objectForKey:@"object"];
    NSString* clsName = [object objectForKey:@"class"];
    NSString* refId = [object objectForKey:@"refId"];
    if (!refId) refId = [object objectForKey:@"aceId"];
    
    // is tweak disabled?
    NSNumber* tweakEnabled = [self prefForKey:@"enabled"];
    if (tweakEnabled && ![tweakEnabled boolValue])
    {
        NSLog(@"AE: Disabled - not doing anything");
        return [NSDictionary dictionaryWithObjectsAndKeys:object,@"object", nil];
    }
    
    //NSLog(@"AE: handleClient2Server: %@", userInfo);
    
    // check whether it is already handled ref
    if ([clsName isEqualToString:@"SetRequestOrigin"])
    {
        NSLog(@"AE: Storing assistant location data.");
        NSDictionary* props = [object objectForKey:@"properties"];
        locationData.valid = true;
        locationData.altitude = [[props objectForKey:@"altitude"] floatValue];
        locationData.direction = [[props objectForKey:@"direction"] floatValue];
        locationData.longitude = [[props objectForKey:@"longitude"] floatValue];
        locationData.age = [[props objectForKey:@"age"] intValue];
        locationData.timestamp = [[NSDate date] timeIntervalSince1970] - locationData.age;
        locationData.speed = [[props objectForKey:@"speed"] floatValue];
        locationData.latitude = [[props objectForKey:@"latitude"] floatValue];
        locationData.verticalAccuracy = [[props objectForKey:@"verticalAccuracy"] floatValue];
        locationData.horizontalAccuracy = [[props objectForKey:@"horizontalAccuracy"] floatValue];
    }
    
    // check whether it is already handled ref
    if ([s_handled_refs containsObject:refId])
    {
        NSLog(@"AE: Ignoring original client->server %@ object.", clsName);
        return [NSDictionary dictionaryWithObjectsAndKeys:nil,@"object", nil];
    }
    
    // try raw objects extension first
    bool handled = NO;
    for (AEExtension* ex in [AEExtension allExtensions])
    {
        if ([ex handlesClientToServerClass:clsName])
        {
            NSMutableDictionary* deepMutableCopy = (NSMutableDictionary*)
            CFPropertyListCreateDeepCopy(kCFAllocatorDefault, (CFDictionaryRef)object, kCFPropertyListMutableContainers);
            [deepMutableCopy autorelease];
            
            object = [ex clientToServer:deepMutableCopy context:[AEContext contextWithRefId:refId]];
            handled = YES;
        }
    }
    
    if (handled) return [NSDictionary dictionaryWithObjectsAndKeys:object,@"object", nil];
    
    if (clsName && [clsName isEqualToString:@"StartCorrectedSpeechRequest"])
    {
        NSString* refId = [object objectForKey:@"refId"];
        if (!refId || [refId length] == 0) refId = [object objectForKey:@"aceId"];
        
        NSString* utterance = [[[object objectForKey:@"properties"] objectForKey:@"utterance"] lowercaseString];
        NSArray* tokens = [utterance componentsSeparatedByString:@" "];
        NSSet* tokenset = [NSSet setWithArray:tokens];
        
        NSLog(@"AE: Trying to handle user-corrected request '%@'", utterance);
        
        // try to handle user-corrected speech request
        if (HandleSpeech(refId, utterance, tokens, tokenset))
        {
            // handled
            return [NSDictionary dictionaryWithObjectsAndKeys:nil,@"object", nil];
        }
    }
    
    return [NSDictionary dictionaryWithObjectsAndKeys:object,@"object", nil];
}

-(NSDictionary*)handleDismissAssistant:(NSString*)name userInfo:(NSDictionary*)userInfo
{
    NSLog(@"AE: Hiding the assistant");
    static Class _SBAssistantController = objc_getClass("SBAssistantController");
    [(SBAssistantController*)[_SBAssistantController sharedInstance] dismissAssistant];
	return nil;
}

-(NSDictionary*)handleActivateAssistant:(NSString*)name userInfo:(NSDictionary*)userInfo
{
    NSLog(@"AE: Activating the assistant");
    static Class _SBAssistantController = objc_getClass("SBAssistantController");
    if ([_SBAssistantController preferenceEnabled] && [_SBAssistantController shouldEnterAssistant])
    {
        [(SpringBoard*)UIApp activateAssistantWithOptions:nil withCompletion:nil];
    }
    
	return nil;
}

-(NSDictionary*)handleGotLocation:(NSString*)name userInfo:(NSDictionary*)userInfo
{
    NSDictionary* resp = userInfo;
    if ([[resp objectForKey:@"result"] boolValue])
    {
        NSDictionary* loc = [resp objectForKey:@"location"];
        unsigned long nowTimestamp = [[NSDate date] timeIntervalSince1970];
        
        locationData.valid = YES;
        locationData.altitude = [[loc objectForKey:@"altitude"] floatValue];
        locationData.direction = [[loc objectForKey:@"direction"] floatValue];
        locationData.longitude = [[loc objectForKey:@"longitude"] floatValue];
        locationData.timestamp = [[loc objectForKey:@"timestamp"] unsignedLongValue];
        locationData.speed = [[loc objectForKey:@"speed"] floatValue];
        locationData.latitude = [[loc objectForKey:@"latitude"] floatValue];
        locationData.verticalAccuracy = [[loc objectForKey:@"verticalAccuracy"] floatValue];
        locationData.horizontalAccuracy = [[loc objectForKey:@"horizontalAccuracy"] floatValue];
        locationData.age = nowTimestamp - locationData.timestamp;
    }
	return nil;
}

-(NSDictionary*)handleSubmitQuery:(NSString*)name userInfo:(NSDictionary*)userInfo
{
    static Class _SBAssistantController = objc_getClass("SBAssistantController");
    
    NSString* query = [userInfo objectForKey:@"query"];
    
    NSString* refId = @"00000000-0000-0000-0000-000000000000";
    /*NSArray* tokens = [query componentsSeparatedByString:@" "];
    NSSet* tokenset = [NSSet setWithArray:tokens];
    
    NSLog(@"AE: Trying to handle IPC request '%@'", query);
    
    // try to handle user-corrected speech request
    if (HandleSpeech(refId, query, tokens, tokenset))
    {
        // handled
        return nil;
    }
    
    [(SBAssistantController*)[_SBAssistantController sharedInstance] _submitQuery:query];*/
    
    SBAssistantController* ac = (SBAssistantController*)[_SBAssistantController sharedInstance];
    AFConnection* conn = [ac _connection];
    
    //[conn startRequestWithText:query timeout:15];
    [conn startRequestWithCorrectedText:query forSpeechIdentifier:refId];
    //[ac _startProcessingRequest];
    [ac expectsFaceContact];
    
    
    return nil;
}

//---------------
-(SOLocationData)getLocationData:(NSString*)refId  showReflection:(BOOL)show
{
    unsigned long nowTimestamp = [[NSDate date] timeIntervalSince1970];
    locationData.age = nowTimestamp - locationData.timestamp;
    
    if (!locationData.valid || locationData.age>60)
    {
        locationData.valid = false;
        
        if (show)
        {
            NSString* checkingText = @"Checking your location...";
            AESendToClient(SOCreateAceAddViewsUtteranceView(refId, checkingText, checkingText, @"Reflection", NO, NO));
        }
        
        IPCCall(@"me.k3a.AssistantExtensions.ad", @"GetLocation", nil);
    }
    else
        NSLog(@"AE: getLocationData: Returning cached data %d seconds old", locationData.age);
    
    // wait a bit for the location
    int seconds = 0;
    while (!locationData.valid && seconds++ < 10)
    {
        sleep(1);
    }

    return locationData;
}
-(void)ignoreRestOfRequest:(NSString*)refId
{
    if (refId) [s_handled_refs addObject:refId];
}


- (NSDictionary *)handleGetExtensions:(NSString *)name withUserInfo:(NSDictionary *)userInfo 
{
	NSMutableArray *ret = [NSMutableArray array];
	
	NSArray *allExtensions = [AEExtension allExtensions];
	for (AEExtension* ext in allExtensions) 
    {
		BOOL hp = [ext hasPreferenceBundle];
		
		NSMutableDictionary *info = [[NSMutableDictionary alloc] init];
		[info setObject:[ext displayName] forKey:@"DisplayName"];
		[info setObject:[NSNumber numberWithBool:[ext enabled]] forKey:@"Enabled"];
		[info setObject:[ext iconPath] forKey:@"IconPath"];
		[info setObject:[NSNumber numberWithBool:hp] forKey:@"HasPreferenceBundle"];
		if (hp) [info setObject:[ext preferenceBundle] forKey:@"PreferenceBundle"];
		[info setObject:[ext pathToInfoDictionary] forKey:@"PathToInfoPlist"];
        [info setObject:[ext author] forKey:@"Author"];
        [info setObject:[ext website] forKey:@"Website"];
        [info setObject:[ext version] forKey:@"Version"];
        [info setObject:[ext description] forKey:@"Description"];
        [info setObject:[ext identifier] forKey:@"Identifier"];
		
		[ret addObject:info];
	}

	return [NSDictionary dictionaryWithObject:ret forKey:@"Extensions"];
}

static void ReloadPrefs(CFNotificationCenterRef center, void *observer, CFStringRef name, const void *object, CFDictionaryRef userInfo)
{
    [[AESpringBoardMsgCenter sharedInstance] reloadPrefs];
}

-(void)reloadPrefs
{
    [prefs release];
    prefs = [[NSMutableDictionary alloc] initWithContentsOfFile:@"/var/mobile/Library/Preferences/me.k3a.AssistantExtensions.plist"];
    if (!prefs)
        NSLog(@"AE: Failed to load prefs");
    else
        NSLog(@"AE: Prefs loaded");
}

-(id)prefForKey:(NSString *)name
{
    return [prefs objectForKey:name];
}

- (id)init {
	if((self = [super init])) 
    {
        NSLog(@"************* AssistantExtensions SpringBoard MsgCenter Startup *************");
        
        s_inst = self;
        
        s_tokens = [[NSMutableArray alloc] init];
        s_handled_refs = [[NSMutableSet alloc] init];
        locationData.valid = false;
        
        // init commands
        InitSystemCmds();
        InitSBHooks();
        [AEExtension initExtensions];
        
        
        // init center
		center = [[CPDistributedMessagingCenter centerNamed:@"me.k3a.AssistantExtensions"] retain];
		[center runServerOnCurrentThread];
        
        [center registerForMessageName:@"Server2Client" target:self selector:@selector(handleServer2Client:userInfo:)];
        [center registerForMessageName:@"Client2Server" target:self selector:@selector(handleClient2Server:userInfo:)];
        [center registerForMessageName:@"ActivateAssistant" target:self selector:@selector(handleActivateAssistant:userInfo:)];
        [center registerForMessageName:@"DismissAssistant" target:self selector:@selector(handleDismissAssistant:userInfo:)];
        [center registerForMessageName:@"SubmitQuery" target:self selector:@selector(handleSubmitQuery:userInfo:)];
        [center registerForMessageName:@"GotLocation" target:self selector:@selector(handleGotLocation:userInfo:)];
        [center registerForMessageName:@"AllExtensions" target:self selector:@selector(handleGetExtensions:withUserInfo:)];
        
        // prefs notification observer
        CFNotificationCenterAddObserver(CFNotificationCenterGetDarwinNotifyCenter(), self, ReloadPrefs, CFSTR("me.k3a.AssistantExtensions/reloadPrefs"), NULL, CFNotificationSuspensionBehaviorCoalesce);
        
        [self reloadPrefs];
	}
    
	return self;
}

- (void)dealloc {
    [AEExtension shutdownExtensions];
    
    [s_tokens release];
    [s_handled_refs release];
    
	[center release];
	[super dealloc];
}

@end