root/tags/2D16/JVChatController.m

#import <ChatCore/MVChatConnection.h>
#import <ChatCore/MVChatRoom.h>
#import <ChatCore/MVChatUser.h>
#import <ChatCore/NSAttributedStringAdditions.h>

#import "JVChatController.h"
#import "MVConnectionsController.h"
#import "JVChatWindowController.h"
#import "JVTabbedChatWindowController.h"
#import "JVNotificationController.h"
#import "JVChatTranscriptPanel.h"
#import "JVSmartTranscriptPanel.h"
#import "JVDirectChatPanel.h"
#import "JVChatRoomPanel.h"
#import "JVChatConsolePanel.h"
#import "JVChatMessage.h"
#import "JVChatRoomMember.h"

#import <libxml/parser.h>

static JVChatController *sharedInstance = nil;
static NSMenu *smartTranscriptMenu = nil;

@interface JVChatController (JVChatControllerPrivate)
- (void) _addWindowController:(JVChatWindowController *) windowController;
- (void) _addViewControllerToPreferedWindowController:(id <JVChatViewController>) controller andFocus:(BOOL) focus;
@end

#pragma mark -

@implementation JVChatController
+ (JVChatController *) defaultController {
        extern JVChatController *sharedInstance;
        return ( sharedInstance ? sharedInstance : ( sharedInstance = [[self alloc] init] ) );
}

+ (NSMenu *) smartTranscriptMenu {
        extern NSMenu *smartTranscriptMenu;
        [self refreshSmartTranscriptMenu];
        return smartTranscriptMenu;
}

+ (void) refreshSmartTranscriptMenu {
        extern NSMenu *smartTranscriptMenu;
        if( ! smartTranscriptMenu ) smartTranscriptMenu = [[NSMenu alloc] initWithTitle:@""];

        NSMenuItem *menuItem = nil;
        NSEnumerator *enumerator = [[[[smartTranscriptMenu itemArray] copy] autorelease] objectEnumerator];
        while( ( menuItem = [enumerator nextObject] ) )
                [smartTranscriptMenu removeItem:menuItem];

        NSMutableArray *items = [NSMutableArray arrayWithArray:[[[self defaultController] smartTranscripts] allObjects]];
        [items sortUsingSelector:@selector( compare: )];

        enumerator = [items objectEnumerator];

        JVSmartTranscriptPanel *panel = nil;

        while( ( panel = [enumerator nextObject] ) ) {
                NSString *title = [panel title];
                if( [panel newMessagesWaiting] > 0 ) title = [NSString stringWithFormat:@"%@ (%d)", [panel title], [panel newMessagesWaiting]];
                menuItem = [[[NSMenuItem alloc] initWithTitle:title action:@selector( showView: ) keyEquivalent:@""] autorelease];
                if( [panel newMessagesWaiting] ) [menuItem setImage:[NSImage imageNamed:@"smartTranscriptTabActivity"]];
                else [menuItem setImage:[NSImage imageNamed:@"smartTranscriptTab"]];
                [menuItem setTarget:[self defaultController]];
                [menuItem setRepresentedObject:panel];
                [smartTranscriptMenu addItem:menuItem];
        }

        if( ! [items count] ) {
                menuItem = [[[NSMenuItem alloc] initWithTitle:NSLocalizedString( @"No Smart Transcripts", "no smart transcripts menu title" ) action:NULL keyEquivalent:@""] autorelease];
                [smartTranscriptMenu addItem:menuItem];
        }

        [smartTranscriptMenu addItem:[NSMenuItem separatorItem]];

        menuItem = [[[NSMenuItem alloc] initWithTitle:NSLocalizedString( @"New Smart Transcript...", "new smart transcript menu title" ) action:@selector( _newSmartTranscript: ) keyEquivalent:@"n"] autorelease];
        [menuItem setKeyEquivalentModifierMask:(NSCommandKeyMask | NSAlternateKeyMask)];
        [menuItem setTarget:[JVChatController defaultController]];
        [smartTranscriptMenu addItem:menuItem];
}

#pragma mark -

- (id) init {
        if( ( self = [super init] ) ) {
                _chatWindows = [[NSMutableArray array] retain];
                _chatControllers = [[NSMutableArray array] retain];

                NSEnumerator *smartTranscriptsEnumerator = [[[NSUserDefaults standardUserDefaults] objectForKey:@"JVSmartTranscripts"] objectEnumerator];
                NSData *archivedSmartTranscript = nil;
                while( ( archivedSmartTranscript = [smartTranscriptsEnumerator nextObject] ) )
                        [_chatControllers addObject:[NSKeyedUnarchiver unarchiveObjectWithData:archivedSmartTranscript]];

                [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector( _joinedRoom: ) name:MVChatRoomJoinedNotification object:nil];
                [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector( _invitedToRoom: ) name:MVChatRoomInvitedNotification object:nil];
                [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector( _gotPrivateMessage: ) name:MVChatConnectionGotPrivateMessageNotification object:nil];
                [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector( _gotRoomMessage: ) name:MVChatRoomGotMessageNotification object:nil];
                [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector( _errorOccurred: ) name:MVChatConnectionErrorNotification object:nil];
        }

        return self;
}

- (void) dealloc {
        extern JVChatController *sharedInstance;

        [[NSNotificationCenter defaultCenter] removeObserver:self];
        if( self == sharedInstance ) sharedInstance = nil;

        [_chatWindows release];
        [_chatControllers release];

        _chatWindows = nil;
        _chatControllers = nil;

        [super dealloc];
}

#pragma mark -

- (NSSet *) allChatWindowControllers {
        return [NSSet setWithArray:_chatWindows];
}

- (JVChatWindowController *) newChatWindowController {
        JVChatWindowController *windowController = nil;
        if( [[NSUserDefaults standardUserDefaults] boolForKey:@"JVUseTabbedWindows"] )
                windowController = [[[JVTabbedChatWindowController alloc] init] autorelease];
        else windowController = [[[JVChatWindowController alloc] init] autorelease];
        [self _addWindowController:windowController];
        return windowController;
}

- (void) disposeChatWindowController:(JVChatWindowController *) controller {
        NSParameterAssert( controller != nil );

        id view = nil;
        NSEnumerator *enumerator = [[controller allChatViewControllers] objectEnumerator];
        while( ( view = [enumerator nextObject] ) )
                [self disposeViewController:view];

        [_chatWindows removeObject:controller];
}

#pragma mark -

- (NSSet *) allChatViewControllers {
        return [NSSet setWithArray:_chatControllers];
}

- (NSSet *) chatViewControllersWithConnection:(MVChatConnection *) connection {
        NSMutableSet *ret = [NSMutableSet set];
        id <JVChatViewController> item = nil;
        NSEnumerator *enumerator = nil;

        NSParameterAssert( connection != nil );

        enumerator = [_chatControllers objectEnumerator];
        while( ( item = [enumerator nextObject] ) )
                if( [item connection] == connection )
                        [ret addObject:item];

        return ret;
}

- (NSSet *) chatViewControllersOfClass:(Class) class {
        NSMutableSet *ret = [NSMutableSet set];
        id <JVChatViewController> item = nil;
        NSEnumerator *enumerator = nil;

        NSParameterAssert( class != NULL );

        enumerator = [_chatControllers objectEnumerator];
        while( ( item = [enumerator nextObject] ) )
                if( [item isMemberOfClass:class] )
                        [ret addObject:item];

        return ret;
}

- (NSSet *) chatViewControllersKindOfClass:(Class) class {
        NSMutableSet *ret = [NSMutableSet set];
        id <JVChatViewController> item = nil;
        NSEnumerator *enumerator = nil;

        NSParameterAssert( class != NULL );

        enumerator = [_chatControllers objectEnumerator];
        while( ( item = [enumerator nextObject] ) )
                if( [item isKindOfClass:class] )
                        [ret addObject:item];

        return ret;
}

#pragma mark -

- (JVChatRoomPanel *) chatViewControllerForRoom:(MVChatRoom *) room ifExists:(BOOL) exists {
        NSParameterAssert( room != nil );

        NSEnumerator *enumerator = [_chatControllers objectEnumerator];
        id ret = nil;

        while( ( ret = [enumerator nextObject] ) )
                if( [ret isMemberOfClass:[JVChatRoomPanel class]] && [[ret target] isEqual:room] )
                        break;

        if( ! ret && ! exists ) {
                if( ( ret = [[[JVChatRoomPanel alloc] initWithTarget:room] autorelease] ) ) {
                        [_chatControllers addObject:ret];
                        [self _addViewControllerToPreferedWindowController:ret andFocus:YES];
                }
        }

        return ret;
}

- (JVDirectChatPanel *) chatViewControllerForUser:(MVChatUser *) user ifExists:(BOOL) exists {
        return [self chatViewControllerForUser:user ifExists:exists userInitiated:YES];
}

- (JVDirectChatPanel *) chatViewControllerForUser:(MVChatUser *) user ifExists:(BOOL) exists userInitiated:(BOOL) initiated {
        NSParameterAssert( user != nil );

        NSEnumerator *enumerator = [_chatControllers objectEnumerator];
        id ret = nil;

        while( ( ret = [enumerator nextObject] ) )
                if( [ret isMemberOfClass:[JVDirectChatPanel class]] && [[ret target] isEqual:user] )
                        break;

        if( ! ret && ! exists ) {
                if( ( ret = [[[JVDirectChatPanel alloc] initWithTarget:user] autorelease] ) ) {
                        [_chatControllers addObject:ret];
                        [self _addViewControllerToPreferedWindowController:ret andFocus:initiated];
                }
        }

        return ret;
}

- (JVChatTranscriptPanel *) chatViewControllerForTranscript:(NSString *) filename {
        id ret = nil;
        if( ( ret = [[[JVChatTranscriptPanel alloc] initWithTranscript:filename] autorelease] ) ) {
                [_chatControllers addObject:ret];
                [self _addViewControllerToPreferedWindowController:ret andFocus:YES];
        }
        return ret;
}

#pragma mark -

- (JVSmartTranscriptPanel *) newSmartTranscript {
        JVSmartTranscriptPanel *ret = nil;
        if( ( ret = [[[JVSmartTranscriptPanel alloc] initWithSettings:nil] autorelease] ) ) {
                [_chatControllers addObject:ret];
                [self _addViewControllerToPreferedWindowController:ret andFocus:YES];
                [ret editSettings:nil];
        }
        return ret;
}

- (NSSet *) smartTranscripts {
        return [self chatViewControllersOfClass:[JVSmartTranscriptPanel class]];
}

- (void) saveSmartTranscripts {
        NSMutableArray *smartTranscripts = [NSMutableArray array];
        NSEnumerator *enumerator = [[self smartTranscripts] objectEnumerator];
        JVSmartTranscriptPanel *smartTranscript = nil;

        while( ( smartTranscript = [enumerator nextObject] ) )
                [smartTranscripts addObject:[NSKeyedArchiver archivedDataWithRootObject:smartTranscript]];

        [[self class] refreshSmartTranscriptMenu];
        [[NSUserDefaults standardUserDefaults] setObject:smartTranscripts forKey:@"JVSmartTranscripts"];
}

- (void) disposeSmartTranscript:(JVSmartTranscriptPanel *) panel {
        NSParameterAssert( panel != nil );

        if( [panel respondsToSelector:@selector( willDispose )] )
                [(NSObject *)panel willDispose];

        [[panel windowController] removeChatViewController:panel];
        [_chatControllers removeObject:panel];

        [self saveSmartTranscripts];
}

#pragma mark -

- (JVChatConsolePanel *) chatConsoleForConnection:(MVChatConnection *) connection ifExists:(BOOL) exists {
        NSParameterAssert( connection != nil );

        NSEnumerator *enumerator = [_chatControllers objectEnumerator];
        id <JVChatViewController> ret = nil;

        while( ( ret = [enumerator nextObject] ) )
                if( [ret isMemberOfClass:[JVChatConsolePanel class]] && [ret connection] == connection )
                        break;

        if( ! ret && ! exists ) {
                if( ( ret = [[[JVChatConsolePanel alloc] initWithConnection:connection] autorelease] ) ) {
                        [_chatControllers addObject:ret];
                        [self _addViewControllerToPreferedWindowController:ret andFocus:YES];
                }
        }

        return (JVChatConsolePanel *)ret;
}

#pragma mark -

- (void) disposeViewController:(id <JVChatViewController>) controller {
        NSParameterAssert( controller != nil );

        if( [controller respondsToSelector:@selector( willDispose )] )
                [(NSObject *)controller willDispose];

        [[controller windowController] removeChatViewController:controller];

        if( [controller isKindOfClass:[JVSmartTranscriptPanel class]] ) return;

        [_chatControllers removeObject:controller];
}

- (void) detachViewController:(id <JVChatViewController>) controller {
        NSParameterAssert( controller != nil );

        [controller retain];

        JVChatWindowController *windowController = [self newChatWindowController];
        [[controller windowController] removeChatViewController:controller];

        [[windowController window] setFrameUsingName:[NSString stringWithFormat:@"Chat Window %@", [controller identifier]]];

        NSRect frame = [[windowController window] frame];
        NSPoint point = [[windowController window] cascadeTopLeftFromPoint:NSMakePoint( NSMinX( frame ), NSMaxY( frame ) )];
        [[windowController window] setFrameTopLeftPoint:point];

        [[windowController window] saveFrameUsingName:[NSString stringWithFormat:@"Chat Window %@", [controller identifier]]];

        [windowController addChatViewController:controller];

        [controller release];
}

#pragma mark -

- (IBAction) showView:(id) sender {
        id <JVChatViewController> view = [sender representedObject];
        if( ! view ) return;
        if( [view windowController] ) [[view windowController] showChatViewController:view];
        else [self _addViewControllerToPreferedWindowController:view andFocus:YES];
}

- (IBAction) detachView:(id) sender {
        id <JVChatViewController> view = [sender representedObject];
        if( ! view ) return;
        [self detachViewController:view];
}

#pragma mark -
#pragma mark Ignores

- (JVIgnoreMatchResult) shouldIgnoreUser:(MVChatUser *) user withMessage:(NSAttributedString *) message inView:(id <JVChatViewController>) view {
        JVIgnoreMatchResult ignoreResult = JVNotIgnored;
        NSEnumerator *renum = [[[MVConnectionsController defaultController] ignoreRulesForConnection:[view connection]] objectEnumerator];
        KAIgnoreRule *rule = nil;

        while( ( ignoreResult == JVNotIgnored ) && ( ( rule = [renum nextObject] ) ) )
                ignoreResult = [rule matchUser:user message:[message string] inView:view];

        return ignoreResult;
}
@end

#pragma mark -

@implementation JVChatController (JVChatControllerPrivate)
- (void) _joinedRoom:(NSNotification *) notification {
        MVChatRoom *rm = [notification object];
        if( ! [[MVConnectionsController defaultController] managesConnection:[rm connection]] ) return;
        JVChatRoomPanel *room = [self chatViewControllerForRoom:rm ifExists:NO];
        [room joined];
}

- (void) _invitedToRoom:(NSNotification *) notification {
        NSString *room = [[notification userInfo] objectForKey:@"room"];
        MVChatUser *user = [[notification userInfo] objectForKey:@"user"];
        MVChatConnection *connection = [notification object];

        if( ! [[MVConnectionsController defaultController] managesConnection:connection] ) return;

        NSString *title = NSLocalizedString( @"Chat Room Invite", "member invited to room title" );
        NSString *message = [NSString stringWithFormat:NSLocalizedString( @"You were invited to join %@ by %@. Would you like to accept this invitation and join this room?", "you were invited to join a chat room status message" ), room, [user nickname]];

        if( NSRunInformationalAlertPanel( title, message, NSLocalizedString( @"Join", "join button" ), NSLocalizedString( @"Decline", "decline button" ), nil ) == NSOKButton )
                [connection joinChatRoomNamed:room];

        NSMutableDictionary *context = [NSMutableDictionary dictionary];
        [context setObject:NSLocalizedString( @"Invited to Chat", "bubble title invited to room" ) forKey:@"title"];
        [context setObject:[NSString stringWithFormat:NSLocalizedString( @"You were invited to %@ by %@.", "bubble message invited to room" ), room, [user nickname]] forKey:@"description"];
        [[JVNotificationController defaultController] performNotification:@"JVChatRoomInvite" withContextInfo:context];
}

- (void) _gotPrivateMessage:(NSNotification *) notification {
        BOOL hideFromUser = NO;
        MVChatUser *user = [notification object];
        NSData *message = [[notification userInfo] objectForKey:@"message"];

        if( ! [[MVConnectionsController defaultController] managesConnection:[user connection]] ) return;

        if( [[[notification userInfo] objectForKey:@"notice"] boolValue] ) {
                MVChatConnection *connection = [user connection];

                if( ! [self chatViewControllerForUser:user ifExists:YES] )
                        hideFromUser = YES;

                if( [[NSUserDefaults standardUserDefaults] boolForKey:@"JVChatAlwaysShowNotices"] )
                        hideFromUser = NO;

                NSMutableDictionary *options = [NSMutableDictionary dictionaryWithObjectsAndKeys:[NSNumber numberWithUnsignedInt:[connection encoding]], @"StringEncoding", [NSNumber numberWithBool:[[NSUserDefaults standardUserDefaults] boolForKey:@"JVChatStripMessageColors"]], @"IgnoreFontColors", [NSNumber numberWithBool:[[NSUserDefaults standardUserDefaults] boolForKey:@"JVChatStripMessageFormatting"]], @"IgnoreFontTraits", [NSFont systemFontOfSize:11.], @"BaseFont", nil];
                NSAttributedString *messageString = [NSAttributedString attributedStringWithChatFormat:message options:options];
                if( ! messageString ) {
                        [options setObject:[NSNumber numberWithUnsignedInt:[NSString defaultCStringEncoding]] forKey:@"StringEncoding"];
                        messageString = [NSAttributedString attributedStringWithChatFormat:message options:options];
                }

                if( [[user nickname] isEqualToString:@"NickServ"] || [[user nickname] isEqualToString:@"MemoServ"] ) {
                        if( [[user nickname] isEqualToString:@"NickServ"] ) {
                                if( [[messageString string] rangeOfString:@"password accepted" options:NSCaseInsensitiveSearch].location != NSNotFound ) {
                                        NSMutableDictionary *context = [NSMutableDictionary dictionary];
                                        [context setObject:NSLocalizedString( @"You Have Been Identified", "identified bubble title" ) forKey:@"title"];
                                        [context setObject:[NSString stringWithFormat:@"%@ on %@", [messageString string], [connection server]] forKey:@"description"];
                                        [context setObject:[NSImage imageNamed:@"Keychain"] forKey:@"image"];
                                        [[JVNotificationController defaultController] performNotification:@"JVNickNameIdentifiedWithServer" withContextInfo:context];
                                }
                        } else if( [[user nickname] isEqualToString:@"MemoServ"] ) {
                                if( [[messageString string] rangeOfString:@"new memo" options:NSCaseInsensitiveSearch].location != NSNotFound && [[messageString string] rangeOfString:@" no " options:NSCaseInsensitiveSearch].location == NSNotFound ) {
                                        NSMutableDictionary *context = [NSMutableDictionary dictionary];
                                        [context setObject:NSLocalizedString( @"You Have New Memos", "new memos bubble title" ) forKey:@"title"];
                                        [context setObject:messageString forKey:@"description"];
                                        [context setObject:[NSImage imageNamed:@"Stickies"] forKey:@"image"];
                                        [context setObject:self forKey:@"target"];
                                        [context setObject:NSStringFromSelector( @selector( _checkMemos: ) ) forKey:@"action"];
                                        [context setObject:connection forKey:@"representedObject"];
                                        [[JVNotificationController defaultController] performNotification:@"JVNewMemosFromServer" withContextInfo:context];
                                }
                        }
                } else {
                        NSMutableDictionary *context = [NSMutableDictionary dictionary];
                        [context setObject:[NSString stringWithFormat:NSLocalizedString( @"Notice from %@", "notice message from user title" ), [user displayName]] forKey:@"title"];
                        [context setObject:messageString forKey:@"description"];
                        [context setObject:[NSImage imageNamed:@"activityNewImportant"] forKey:@"image"];
                        NSString *type = ( hideFromUser ? @"JVChatUnhandledNoticeMessage" : @"JVChatNoticeMessage" );
                        [[JVNotificationController defaultController] performNotification:type withContextInfo:context];
                }
        }

        if( ! hideFromUser && ( [self shouldIgnoreUser:user withMessage:nil inView:nil] == JVNotIgnored ) ) {
                JVDirectChatPanel *controller = [self chatViewControllerForUser:user ifExists:NO userInitiated:NO];
                JVChatMessageType type = ( [[[notification userInfo] objectForKey:@"notice"] boolValue] ? JVChatMessageNoticeType : JVChatMessageNormalType );
                [controller addMessageToDisplay:message fromUser:user asAction:[[[notification userInfo] objectForKey:@"action"] boolValue] withIdentifier:[[notification userInfo] objectForKey:@"identifier"] andType:type];
        }
}

- (void) _gotRoomMessage:(NSNotification *) notification {
        // we do this here to make sure we catch early messages right when we join (this includes dircproxy's dump)
        MVChatRoom *room = [notification object];
        JVChatRoomPanel *controller = [self chatViewControllerForRoom:room ifExists:NO];
        [controller handleRoomMessageNotification:notification];
}

- (void) _errorOccurred:(NSNotification *) notification {
        NSError *error = [[notification userInfo] objectForKey:@"error"];
        if( [error code] == MVChatConnectionNoSuchUserError ) {
                MVChatUser *user = [[error userInfo] objectForKey:@"user"];
                JVDirectChatPanel *panel = [self chatViewControllerForUser:user ifExists:YES];
                if( ! panel || ( panel && [[panel windowController] activeChatViewController] != panel ) ) {
                        NSAlert *alert = [[[NSAlert alloc] init] autorelease];
                        [alert setMessageText:[NSString stringWithFormat:NSLocalizedString( @"User \"%@\" is not online", "user not online alert dialog title" ), [user displayName]]];
                        [alert setInformativeText:[NSString stringWithFormat:NSLocalizedString( @"The user \"%@\" is not online and is unavailable until they reconnect.", "user not online alert dialog message" ), [user displayName]]];
                        [alert setAlertStyle:NSInformationalAlertStyle];
                        [alert runModal];
                }
        }
}

- (void) _addWindowController:(JVChatWindowController *) windowController {
        [_chatWindows addObject:windowController];
}

- (void) _addViewControllerToPreferedWindowController:(id <JVChatViewController>) controller andFocus:(BOOL) focus {
        JVChatWindowController *windowController = nil;
        id <JVChatViewController> viewController = nil;
        Class modeClass = NULL;
        NSEnumerator *enumerator = nil;
        BOOL kindOfClass = NO;

        NSParameterAssert( controller != nil );

        int mode = [[NSUserDefaults standardUserDefaults] integerForKey:[NSStringFromClass( [controller class] ) stringByAppendingString:@"PreferredOpenMode"]];
        BOOL groupByServer = (BOOL) mode & 32;
        mode &= ~32;

        switch( mode ) {
        case 0: break; // open in new window
        case 1: // open in existing window
        default:
                enumerator = [_chatWindows objectEnumerator];
                while( ( windowController = [enumerator nextObject] ) )
                        if( [[windowController window] isMainWindow] || ! [[NSApplication sharedApplication] isActive] )
                                break;
                if( ! windowController ) windowController = [_chatWindows lastObject];
                break;
        case 2: // group with other rooms
                modeClass = [JVChatRoomPanel class];
                goto groupByClass;
        case 3: // group with other direct chats
                modeClass = [JVDirectChatPanel class];
                goto groupByClass;
        case 4: // group with other transcripts
                modeClass = [JVChatTranscriptPanel class];
                goto groupByClass;
        case 5: // group with other consoles
                modeClass = [JVChatConsolePanel class];
                goto groupByClass;
        case 6: // group with other chats
                modeClass = [JVDirectChatPanel class];
                kindOfClass = YES;
                goto groupByClass;
        groupByClass:
                if( groupByServer ) {
                        if( kindOfClass ) enumerator = [[self chatViewControllersKindOfClass:modeClass] objectEnumerator];
                        else enumerator = [[self chatViewControllersOfClass:modeClass] objectEnumerator];
                        while( ( viewController = [enumerator nextObject] ) ) {
                                if( controller != viewController && [viewController connection] == [controller connection] ) {
                                        windowController = [viewController windowController];
                                        if( windowController ) break;
                                }
                        }
                } else {
                        if( kindOfClass ) enumerator = [[self chatViewControllersKindOfClass:modeClass] objectEnumerator];
                        else enumerator = [[self chatViewControllersOfClass:modeClass] objectEnumerator];
                        while( ( viewController = [enumerator nextObject] ) ) {
                                if( controller != viewController ) {
                                        windowController = [viewController windowController];
                                        if( windowController ) break;
                                }
                        }
                }
                break;
        }

        if( ! windowController ) windowController = [self newChatWindowController];

        if( [[[NSApplication sharedApplication] currentEvent] modifierFlags] & NSCommandKeyMask ) focus = NO;
        if( [[[NSApplication sharedApplication] currentEvent] modifierFlags] & NSShiftKeyMask ) focus = NO;

        [windowController addChatViewController:controller];
        if( focus || [[windowController allChatViewControllers] count] == 1 ) {
                [windowController showChatViewController:controller];
                if( focus ) [[windowController window] makeKeyAndOrderFront:nil];
        }

        if( ! [[windowController window] isVisible] )
                [[windowController window] orderFront:nil];
}

- (IBAction) _checkMemos:(id) sender {
        MVChatConnection *connection = [sender representedObject];
        NSAttributedString *message = [[[NSAttributedString alloc] initWithString:@"read all"] autorelease];
        MVChatUser *user = [connection chatUserWithUniqueIdentifier:@"MemoServ"];
        [user sendMessage:message withEncoding:[connection encoding] asAction:NO];
        [self chatViewControllerForUser:user ifExists:NO];
}

- (IBAction) _newSmartTranscript:(id) sender {
        [[JVChatController defaultController] newSmartTranscript];
}
@end

#pragma mark -

@implementation JVChatTranscriptPanel (JVChatTranscriptObjectSpecifier)
- (NSScriptObjectSpecifier *) objectSpecifier {
        id classDescription = [NSClassDescription classDescriptionForClass:[NSApplication class]];
        NSScriptObjectSpecifier *container = [[NSApplication sharedApplication] objectSpecifier];
        return [[[NSUniqueIDSpecifier alloc] initWithContainerClassDescription:classDescription containerSpecifier:container key:@"chatTranscripts" uniqueID:[self uniqueIdentifier]] autorelease];
}
@end

#pragma mark -

@implementation JVDirectChatPanel (JVDirectChatPanelObjectSpecifier)
- (NSScriptObjectSpecifier *) objectSpecifier {
        id classDescription = [NSClassDescription classDescriptionForClass:[NSApplication class]];
        NSScriptObjectSpecifier *container = [[NSApplication sharedApplication] objectSpecifier];
        return [[[NSUniqueIDSpecifier alloc] initWithContainerClassDescription:classDescription containerSpecifier:container key:@"directChats" uniqueID:[self uniqueIdentifier]] autorelease];
}
@end

#pragma mark -

@implementation JVChatRoomPanel (JVChatRoomPanelObjectSpecifier)
- (NSScriptObjectSpecifier *) objectSpecifier {
        id classDescription = [NSClassDescription classDescriptionForClass:[NSApplication class]];
        NSScriptObjectSpecifier *container = [[NSApplication sharedApplication] objectSpecifier];
        return [[[NSUniqueIDSpecifier alloc] initWithContainerClassDescription:classDescription containerSpecifier:container key:@"chatRooms" uniqueID:[self uniqueIdentifier]] autorelease];
}
@end

#pragma mark -

@implementation JVChatConsolePanel (JVChatConsolePanelObjectSpecifier)
- (NSScriptObjectSpecifier *) objectSpecifier {
        id classDescription = [NSClassDescription classDescriptionForClass:[NSApplication class]];
        NSScriptObjectSpecifier *container = [[NSApplication sharedApplication] objectSpecifier];
        return [[[NSUniqueIDSpecifier alloc] initWithContainerClassDescription:classDescription containerSpecifier:container key:@"chatConsoles" uniqueID:[self uniqueIdentifier]] autorelease];
}
@end

#pragma mark -

@interface JVStartChatScriptCommand : NSScriptCommand {}
@end

#pragma mark -

@implementation JVStartChatScriptCommand
- (id) performDefaultImplementation {
        NSDictionary *args = [self evaluatedArguments];
        id target = [args objectForKey:@"target"];

        if( target && [target isKindOfClass:[NSString class]] ) {
                MVChatConnection *connection = [args objectForKey:@"connection"];
                if( ! connection ) {
                        [self setScriptErrorNumber:1000];
                        [self setScriptErrorString:@"The connection parameter was missing and is required when the user is a nickname string."];
                        return nil;
                }

                if( ! [connection isConnected] ) {
                        [self setScriptErrorNumber:1000];
                        [self setScriptErrorString:@"The connection needs to be connected before you can find a chat user by their nickname."];
                        return nil;
                }

                NSString *nickname = target;
                target = [[connection chatUsersWithNickname:nickname] anyObject];

                if( ! target ) {
                        [self setScriptErrorNumber:1000];
                        [self setScriptErrorString:[NSString stringWithFormat:@"The connection did not find a chat user with the nickname \"%@\".", nickname]];
                        return nil;
                }
        }

        if( ! target || ( ! [target isKindOfClass:[MVChatUser class]] && ! [target isKindOfClass:[JVChatRoomMember class]] ) ) {
                [self setScriptErrorNumber:1000];
                [self setScriptErrorString:@"The \"for\" parameter was missing or not a chat user or member object."];
                return nil;
        }

        if( [target isKindOfClass:[MVChatUser class]] && [(MVChatUser *)target type] == MVChatWildcardUserType ) {
                [self setScriptErrorNumber:1000];
                [self setScriptErrorString:@"The \"for\" parameter cannot be a wildcard user."];
                return nil;
        }

        if( [target isKindOfClass:[JVChatRoomMember class]] )
                target = [(JVChatRoomMember *)target user];

        JVDirectChatPanel *panel = [[JVChatController defaultController] chatViewControllerForUser:target ifExists:NO];
        [[panel windowController] showChatViewController:panel];

        return panel;
}
@end

#pragma mark -

@implementation NSApplication (JVChatControllerScripting)
- (void) scriptErrorChantAddToChatViews {
        [[NSScriptCommand currentCommand] setScriptErrorString:@"Can't add, insert or replace a panel at the application level."];
        [[NSScriptCommand currentCommand] setScriptErrorNumber:1000];
}

#pragma mark -

- (NSArray *) chatViews {
        return [[[JVChatController defaultController] allChatViewControllers] allObjects];
}

- (id <JVChatViewController>) valueInChatViewsAtIndex:(unsigned) index {
        return [[self chatViews] objectAtIndex:index];
}

- (id <JVChatViewController>) valueInChatViewsWithUniqueID:(id) identifier {
        NSEnumerator *enumerator = [[[JVChatController defaultController] allChatViewControllers] objectEnumerator];
        id <JVChatViewController, JVChatListItemScripting> view = nil;

        while( ( view = [enumerator nextObject] ) )
                if( [view conformsToProtocol:@protocol( JVChatListItemScripting )] &&
                        [[view uniqueIdentifier] isEqual:identifier] ) return view;

        return nil;
}

- (id <JVChatViewController>) valueInChatViewsWithName:(NSString *) name {
        NSEnumerator *enumerator = [[[JVChatController defaultController] allChatViewControllers] objectEnumerator];
        id <JVChatViewController> view = nil;

        while( ( view = [enumerator nextObject] ) )
                if( [[view title] isEqualToString:name] )
                        return view;

        return nil;
}

- (void) addInChatViews:(id <JVChatViewController>) view {
        [self scriptErrorChantAddToChatViews];
}

- (void) insertInChatViews:(id <JVChatViewController>) view {
        [self scriptErrorChantAddToChatViews];
}

- (void) insertInChatViews:(id <JVChatViewController>) view atIndex:(unsigned) index {
        [self scriptErrorChantAddToChatViews];
}

- (void) removeFromChatViewsAtIndex:(unsigned) index {
        id <JVChatViewController> view = [[self chatViews] objectAtIndex:index];
        if( view ) [[JVChatController defaultController] disposeViewController:view];
}

- (void) replaceInChatViews:(id <JVChatViewController>) view atIndex:(unsigned