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* Adium is the legal property of its developers, whose names are listed in the copyright file included
* with this source distribution.
*
* This program is free software; you can redistribute it and/or modify it under the terms of the GNU
* General Public License as published by the Free Software Foundation; either version 2 of the License,
* or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
* Public License for more details.
*
* You should have received a copy of the GNU General Public License along with this program; if not,
* write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#import "OWSpellingPerContactPlugin.h"
#import <Adium/AIChat.h>
#import <Adium/AIListContact.h>
#import <AIUtilities/AIApplicationAdditions.h>
#import <AIUtilities/AILeopardCompatibility.h>
#define GROUP_LAST_USED_SPELLING @"Last Used Spelling"
#define KEY_LAST_USED_SPELLING @"Last Used Spelling Languge"
/*!
* @class OWSpellingPerContactPlugin
* @brief Component to save and restore spelling dictionary language preferences on a per-contact basis for chats
*
* Language settings on a group chat basis are not currently saved.
*/
@implementation OWSpellingPerContactPlugin
/*!
* @brief Install
*/
- (void)installPlugin
{
NSNotificationCenter *notificationCenter = [NSNotificationCenter defaultCenter];
[notificationCenter addObserver:self
selector:@selector(chatBecameActive:)
name:Chat_BecameActive
object:nil];
[notificationCenter addObserver:self
selector:@selector(chatWillClose:)
name:Chat_WillClose
object:nil];
languageDict = [[NSMutableDictionary alloc] init];
//Find the first language the user prefers which the spellchecker knows about, then keep it around for future reference
NSArray *preferredLanguages = nil;
if ([NSApp isOnSnowLeopardOrBetter]) {
preferredLanguages = [[NSSpellChecker sharedSpellChecker] userPreferredLanguages];
} else {
preferredLanguages = [[NSSpellChecker sharedSpellChecker] availableLanguages];
}
if (preferredLanguages.count) {
preferredLanguage = [preferredLanguages objectAtIndex:0];
}
}
/*!
* @brief Uninstall
*/
- (void)uninstallPlugin
{
[languageDict release]; languageDict = nil;
[preferredLanguage release]; preferredLanguage = nil;
[[NSNotificationCenter defaultCenter] removeObserver:self];
}
/*!
* @brief A chat became active; set the spelling language preference appropriately
*
* If a chat was previously active, as indicated by the PreviouslyActiveChat key in the notification's userInfo,
* its language preference is stored before switching.
*/
- (void)chatBecameActive:(NSNotification *)notification
{
@try
{
AIChat *newChat = [notification object];
AIChat *previousChat = [[notification userInfo] objectForKey:@"PreviouslyActiveChat"];
if (previousChat) {
NSString *language = [[NSSpellChecker sharedSpellChecker] language];
NSString *chatID = [previousChat uniqueChatID];
if (language &&
![[languageDict objectForKey:chatID] isEqualToString:language]) {
//If this chat is not known to be in the current language, store its setting in our languageDict
[languageDict setObject:language
forKey:chatID];
}
}
if (newChat) {
NSString *chatID = [newChat uniqueChatID];
NSString *newChatLanguage = [languageDict objectForKey:chatID];
//If we don't have a previously noted language, try to load one from a preference
if (!newChatLanguage) {
AIListObject *listObject = [newChat listObject];
if (listObject) {
//Load the preference if possible
newChatLanguage = [listObject preferenceForKey:KEY_LAST_USED_SPELLING group:GROUP_LAST_USED_SPELLING];
}
if (!newChatLanguage) {
//If no preference, use the preferred language
newChatLanguage = preferredLanguage;
}
[languageDict setObject:newChatLanguage
forKey:chatID];
}
[[NSSpellChecker sharedSpellChecker] setLanguage:newChatLanguage];
}
}
@catch(id exc) {}
}
/*!
* @brief Chat will close; save the language preference for its contact before it closes
*/
- (void)chatWillClose:(NSNotification *)notification
{
AIChat *chat = [notification object];
AIListContact *listObject = chat.listObject;
if (listObject) {
NSString *chatID = chat.uniqueChatID;
NSString *chatLanguage = [languageDict objectForKey:chatID];
//If we didn't cache a language for this chat, or the chat is currently the active chat, use the spell checker's value.
if (!chatLanguage || adium.interfaceController.activeChat == chat)
chatLanguage = [[NSSpellChecker sharedSpellChecker] language];
//Now, if we end up at the user's default language, we don't want to store anything
if ([preferredLanguage isEqualToString:chatLanguage])
chatLanguage = nil;
NSString *previousLanguage = [listObject preferenceForKey:KEY_LAST_USED_SPELLING group:GROUP_LAST_USED_SPELLING];
if ((previousLanguage && ![previousLanguage isEqualToString:chatLanguage]) ||
(!previousLanguage && chatLanguage)) {
[listObject setPreference:chatLanguage
forKey:KEY_LAST_USED_SPELLING
group:GROUP_LAST_USED_SPELLING];
}
[languageDict removeObjectForKey:chatID];
}
}
@end
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