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adium / Source / ESAwayStatusWindowPlugin.m

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//
//  ESAwayStatusWindowPlugin.m
//  Adium
//
//  Created by Evan Schoenberg on 4/12/05.
//  Copyright 2006 The Adium Team. All rights reserved.
//

#import "ESAwayStatusWindowPlugin.h"
#import "ESAwayStatusWindowController.h"
#import <Adium/AIContactControllerProtocol.h>
#import "AISoundController.h"
#import "AIStatusController.h"
#import <Adium/AIAccount.h>
#import <Adium/AIListObject.h>

/*!
 * @class ESAwayStatusWindowPlugin
 * @brief Component to manage the status window optionally displayed when one or more accounts are away
 *
 * XXX - This comopnent should move to being an external, included, disabled by default plugin, with more
 * options added when it is enabled.
 */
@implementation ESAwayStatusWindowPlugin

/*!
 * @brief Install
 */
- (void)installPlugin
{
        showStatusWindow = FALSE;
        awayAccounts = [[NSMutableSet alloc] init];
        
        //Observe preference changes for updating if we should show the status window
        [adium.preferenceController registerPreferenceObserver:self 
                                                                                                        forGroup:PREF_GROUP_STATUS_PREFERENCES];
}

- (void)uninstallPlugin
{
        [adium.preferenceController unregisterPreferenceObserver:self];
        [[AIContactObserverManager sharedManager] unregisterListObjectObserver:self];
}

/*!
 * @brief Deallocate
 */
- (void)dealloc
{
        [awayAccounts release];

        [super dealloc];
}

/*!
 * @brief Preferences changed
 *
 * Note whether we are supposed to should show the status window, and toggle it if necessary
 */
- (void)preferencesChangedForGroup:(NSString *)group key:(NSString *)key
                                                        object:(AIListObject *)object preferenceDict:(NSDictionary *)prefDict firstTime:(BOOL)firstTime
{
        BOOL oldShowStatusWindow = showStatusWindow;
        
        showStatusWindow = [[prefDict objectForKey:KEY_STATUS_SHOW_STATUS_WINDOW] boolValue];
        
        if (showStatusWindow != oldShowStatusWindow) {
                if (showStatusWindow) {
                        /* Register as a list object observer, which will update all objects for us immediately leading to the proper
                         * status window toggling. */
                        [[AIContactObserverManager sharedManager] registerListObjectObserver:self];
                } else {
                        //Hide the status window if it is currently visible
                        [ESAwayStatusWindowController updateStatusWindowWithVisibility:NO];
                        
                        //Clear our away account tracking
                        [awayAccounts removeAllObjects];
                        
                        //Stop observing list objects
                        [[AIContactObserverManager sharedManager] unregisterListObjectObserver:self];
                }
        }

        if (showStatusWindow) {
                [ESAwayStatusWindowController setAlwaysOnTop:[[prefDict objectForKey:KEY_STATUS_STATUS_WINDOW_ON_TOP] boolValue]];
                [ESAwayStatusWindowController setHideInBackground:[[prefDict objectForKey:KEY_STATUS_STATUS_WINDOW_HIDE_IN_BACKGROUND] boolValue]];
        }
}

/*!
 * @brief Account status changed.
 *
 * Show or hide our status window as appropriate
 */
- (NSSet *)updateListObject:(AIListObject *)inObject keys:(NSSet *)inModifiedKeys silent:(BOOL)silent
{
        if ([inObject isKindOfClass:[AIAccount class]] &&
           (!inModifiedKeys || [inModifiedKeys containsObject:@"StatusState"] || [inModifiedKeys containsObject:@"Online"])) {
                if (inObject.online && (inObject.statusType != AIAvailableStatusType)) {
                        [awayAccounts addObject:inObject];
                } else {
                        [awayAccounts removeObject:inObject];
                }

                /* We wait until the next run loop so we can have processed multiple changing accounts at once before updating
                 * our display, preventing flickering through changes as the global state changes and thereby modifies multiple
                 * account states in a single invocation.
                 */
                [NSObject cancelPreviousPerformRequestsWithTarget:self
                                                                                                 selector:@selector(processStatusUpdate)
                                                                                                   object:nil];
                [self performSelector:@selector(processStatusUpdate)
                                   withObject:nil
                                   afterDelay:0];
        }

        //We don't modify any keys
        return nil;
}

- (void)processStatusUpdate
{
        //Tell the window to update, showing/hiding as necessary
        [ESAwayStatusWindowController updateStatusWindowWithVisibility:([awayAccounts count] > 0)];     
}

@end