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adium / Plugins / Purple Service / AIAnnoyingIRCMessagesHiderPlugin.m

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//
//  AIAnnoyingIRCMessagesHiderPlugin.m
//  Adium
//
//  Created by Zachary West on 2009-05-31.
//  Copyright 2009 Adium. All rights reserved.
//

#import "AIAnnoyingIRCMessagesHiderPlugin.h"
#import "ESIRCAccount.h"
#import <Adium/AIContentControllerProtocol.h>
#import <Adium/AIContentObject.h>

#import <AIUtilities/AIStringAdditions.h>
#import <Adium/AIContentObject.h>
#import <Adium/AIContentMessage.h>
#import <Adium/AIListObject.h>
#import <Adium/AIChat.h>

@implementation AIAnnoyingIRCMessagesHiderPlugin
- (void)installPlugin
{
        [[NSNotificationCenter defaultCenter] addObserver:self
                                                                                         selector:@selector(willReceiveContent:)
                                                                                                 name:Content_WillReceiveContent
                                                                                           object:nil];
}

- (void)uninstallPlugin
{
        [[NSNotificationCenter defaultCenter] removeObserver:self];
}

#pragma mark Content handling
- (void)willReceiveContent:(NSNotification *)notification
{       
        AIContentObject         *contentObject = [[notification userInfo] objectForKey:@"Object"];
        
        if (![contentObject isKindOfClass:[AIContentMessage class]] ||
                ![contentObject.chat.account isKindOfClass:[ESIRCAccount class]] ||
                !contentObject.source) {
                return;
        }

        BOOL                            hidden = NO;
        
        NSArray *serverMessages = [NSArray arrayWithObjects:
                                                           @"highest connection count",
                                                           @"your host is",
                                                           @"exempt from DNS blacklists",
                                                           @"motd was last changed",
                                                           @"please read the motd",
                                                           @"if you see",
                                                           @"please disregard them, as they are",
                                                           @"for more information please visit",
                                                           @"runs an open proxy monitor to prevent abuse",
                                                           nil];
        
        if ([contentObject.source.UID rangeOfString:@"."].location != NSNotFound) {
                for (NSString *message in serverMessages) {
                        if ([contentObject.message.string rangeOfString:message options:NSCaseInsensitiveSearch].location != NSNotFound) {
                                hidden = YES;
                                break;
                        }
                }
        } else if ([contentObject.source.UID isEqualToString:@"freenode-connect"]) {
                hidden = YES;
        }
        
        // We use our own "did we hide?" variable, in case something else somewhere has caused this to not display.
        if (hidden) {
                AILogWithSignature(@"Hiding %@", contentObject);
                contentObject.displayContent = NO;
        }
}

@end