Source/AIAbstractListObjectMenu.m

   1 //
   2 //  AIAbstractListObjectMenu.m
   3 //  Adium
   4 //
   5 //  Created by Adam Iser on 5/31/05.
   6 //  Copyright 2006 The Adium Team. All rights reserved.
   7 //
   8
   9 #import <Adium/AIAbstractListObjectMenu.h>
  10 #import <AIUtilities/AIImageAdditions.h>
  11 #import <Adium/AIListObject.h>
  12 #import <Adium/AIServiceIcons.h>
  13 #import <Adium/AIStatusIcons.h>
  14
  15 @interface AIAbstractListObjectMenu (PRIVATE)
  16 - (void)_destroyMenuItems;
  17 @end
  18
  19 @implementation AIAbstractListObjectMenu
  20
  21 /*!
  22  * @brief Init
  23  */
  24 - (id)init
  25 {
  26         if((self = [super init])){
  27                 //Rebuild our menu when Adium's status or service icon set changes
  28                 [[adium notificationCenter] addObserver:self
  29                                                                            selector:@selector(rebuildMenu)
  30                                                                                    name:AIStatusIconSetDidChangeNotification
  31                                                                                  object:nil];
  32
  33                 [[adium notificationCenter] addObserver:self
  34                                                                            selector:@selector(rebuildMenu)
  35                                                                                    name:AIServiceIconSetDidChangeNotification
  36                                                                                  object:nil];
  37         }
  38
  39         return self;
  40 }
  41
  42 - (void)dealloc
  43 {
  44         [[adium notificationCenter] removeObserver:self name:AIStatusIconSetDidChangeNotification object:nil];
  45         [[adium notificationCenter] removeObserver:self name:AIServiceIconSetDidChangeNotification object:nil];
  46         [self _destroyMenuItems];
  47
  48         [super dealloc];
  49 }
  50
  51 /*!
  52  * @brief Returns an array of menu items
  53  */
  54 - (NSArray *)menuItems
  55 {
  56         if(!menuItems){
  57                 menuItems = [[self buildMenuItems] retain];
  58         }
  59
  60         return menuItems;
  61 }
  62
  63 /*!
  64  * @brief Returns a menu containing our menu items
  65  *
  66  * Remember that menu items can only be in one menu at a time, so if you use this functions you cannot do anything
  67  * manually the menu items
  68  */
  69 - (NSMenu *)menu
  70 {
  71         if(!menu){
  72                 NSEnumerator    *enumerator = [[self menuItems] objectEnumerator];
  73                 NSMenuItem              *menuItem;
  74
  75                 menu = [[NSMenu allocWithZone:[NSMenu zone]] init];
  76
  77                 [menu setMenuChangedMessagesEnabled:NO];
  78                 while((menuItem = [enumerator nextObject])) [menu addItem:menuItem];
  79                 [menu setMenuChangedMessagesEnabled:YES];
  80         }
  81
  82         return menu;
  83 }
  84
  85 /*!
  86  * @brief Returns the existing menu item
  87  *
  88  * @param object
  89  * @return NSMenuItem
  90  */
  91 - (NSMenuItem *)menuItemWithRepresentedObject:(id)object
  92 {
  93         NSEnumerator    *enumerator = [[self menuItems] objectEnumerator];
  94         NSMenuItem              *menuItem;
  95
  96         while ((menuItem = [enumerator nextObject])) {
  97                 if ([menuItem representedObject] == object) {
  98                         return menuItem;
  99                 } else if ([menuItem submenu]) {
 100                         NSEnumerator    *submenuEnumerator = [[[menuItem submenu] itemArray] objectEnumerator];
 101                         NSMenuItem              *submenuItem;
 102
 103                         while ((submenuItem = [submenuEnumerator nextObject])) {
 104                                 if ([submenuItem representedObject] == object) {
 105                                         return submenuItem;
 106                                 }
 107                         }
 108                 }
 109         }
 110
 111         return nil;
 112 }
 113
 114 /*!
 115  * @brief Rebuild the menu
 116  */
 117 - (void)rebuildMenu
 118 {
 119         [self _destroyMenuItems];
 120 }
 121
 122 /*!
 123  * @brief Destroy menu items
 124  */
 125 - (void)_destroyMenuItems
 126 {
 127         [menu release]; menu = nil;
 128         [menuItems release]; menuItems = nil;
 129 }
 130
 131
 132 //For Subclasses -------------------------------------------------------------------------------------------------------
 133 #pragma mark For Subclasses
 134 /*!
 135  * @brief Builds and returns an array of menu items which should be in the listObjectMenu
 136  *
 137  * Subclass this method to build and return the menu items you want.
 138  */
 139 - (NSArray *)buildMenuItems
 140 {
 141         return [NSArray array];
 142 }
 143
 144 /*!
 145  * @brief Returns a menu image for the account
 146  */
 147 - (NSImage *)imageForListObject:(AIListObject *)listObject
 148 {
 149         NSImage *statusIcon, *serviceIcon;
 150         NSSize  statusSize, serviceSize, compositeSize;
 151         NSRect  compositeRect;
 152
 153         //Get the service and status icons
 154         statusIcon = [AIStatusIcons statusIconForListObject:listObject type:AIStatusIconList direction:AIIconNormal];
 155         statusSize = [statusIcon size];
 156         serviceIcon = [AIServiceIcons serviceIconForObject:listObject type:AIServiceIconSmall direction:AIIconNormal];
 157         serviceSize = [serviceIcon size];
 158
 159         //Composite them side by side (since we're only allowed one image in a menu and we want to see both)
 160         compositeSize = NSMakeSize(statusSize.width + serviceSize.width + 1,
 161                                                            statusSize.height > serviceSize.height ? statusSize.height : serviceSize.height);
 162         compositeRect = NSMakeRect(0, 0, compositeSize.width, compositeSize.height);
 163
 164         //Render the image
 165         NSImage *composite = [[NSImage alloc] initWithSize:compositeSize];
 166         [composite lockFocus];
 167         [statusIcon drawInRect:compositeRect atSize:[statusIcon size] position:IMAGE_POSITION_LEFT fraction:1.0];
 168         [serviceIcon drawInRect:compositeRect atSize:[serviceIcon size] position:IMAGE_POSITION_RIGHT fraction:1.0];
 169         [composite unlockFocus];
 170
 171         return [composite autorelease];
 172 }
 173
 174 @end