Source/AIPasswordPromptController.m

   1 /*
   2  * Adium is the legal property of its developers, whose names are listed in the copyright file included
   3  * with this source distribution.
   4  *
   5  * This program is free software; you can redistribute it and/or modify it under the terms of the GNU
   6  * General Public License as published by the Free Software Foundation; either version 2 of the License,
   7  * or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
  10  * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
  11  * Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along with this program; if not,
  14  * write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  15  */
  16
  17 // $Id$
  18
  19 #import "AIPasswordPromptController.h"
  20 #import <AIUtilities/AITextFieldAdditions.h>
  21 #import <objc/objc-runtime.h>
  22
  23 #define         PASSWORD_PROMPT_NIB             @"PasswordPrompt"
  24 #define         KEY_PASSWORD_WINDOW_FRAME       @"Password Prompt Frame"
  25
  26 @interface AIPasswordPromptController (PRIVATE)
  27 - (void)setPassword:(NSString *)password;
  28 @end
  29
  30 @implementation AIPasswordPromptController
  31
  32 - (id)initWithWindowNibName:(NSString *)windowNibName password:(NSString *)inPassword notifyingTarget:(id)inTarget selector:(SEL)inSelector context:(id)inContext
  33 {
  34     if ((self = [super initWithWindowNibName:windowNibName])) {
  35                 [self setTarget:inTarget selector:inSelector context:inContext];
  36                 [self setPassword:inPassword];
  37         }
  38
  39     return self;
  40 }
  41
  42 - (void)setTarget:(id)inTarget selector:(SEL)inSelector context:(id)inContext
  43 {
  44         if (inTarget != target) {
  45                 [target release];
  46                 target = [inTarget retain];
  47         }
  48
  49         selector = inSelector;
  50
  51         if (inContext != context) {
  52                 [context release];
  53                 context = [inContext retain];
  54         }
  55 }
  56
  57 - (void)setPassword:(NSString *)inPassword
  58 {
  59         if (password != inPassword) {
  60                 [password release];
  61                 password = [inPassword copy];
  62         }
  63 }
  64
  65 - (void)dealloc
  66 {
  67     [target release];
  68         [context release];
  69         [password release];
  70
  71     [super dealloc];
  72 }
  73
  74 - (void)windowDidLoad
  75 {
  76         [[self window] center];
  77
  78         [textField_password setStringValue:(password ? password : @"")];
  79
  80         [super windowDidLoad];
  81 }
  82
  83 - (NSString *)savedPasswordKey
  84 {
  85         return nil;
  86 }
  87
  88 - (IBAction)cancel:(id)sender
  89 {
  90     //close up and notify our caller (pass nil to signify no password)
  91     [self closeWindow:nil];
  92
  93         void (*targetMethodSender)(id, SEL, id, AIPasswordPromptReturn, id) = (void (*)(id, SEL, id, AIPasswordPromptReturn, id)) objc_msgSend;
  94         targetMethodSender(target, selector, nil, AIPasswordPromptCancelReturn, context);
  95 }
  96
  97 - (IBAction)okay:(id)sender
  98 {
  99         NSString        *thePassword = [textField_password secureStringValue];
 100         BOOL    savePassword = [checkBox_savePassword state];
 101
 102         //save password?
 103         if (savePassword && thePassword && [thePassword length]) {
 104                 [self savePassword:thePassword];
 105         }
 106
 107         //close up and notify our caller
 108         [self closeWindow:nil];
 109
 110         void (*targetMethodSender)(id, SEL, id, AIPasswordPromptReturn, id) = (void (*)(id, SEL, id, AIPasswordPromptReturn, id)) objc_msgSend;
 111         targetMethodSender(target, selector, thePassword, AIPasswordPromptOKReturn, context);
 112 }
 113
 114 - (IBAction)togglePasswordSaved:(id)sender
 115 {
 116     if ([sender state] == NSOffState) {
 117         //Forget any saved passwords
 118                 [self savePassword:nil];
 119     }
 120 }
 121
 122 - (void)savePassword:(NSString *)password
 123 {
 124         //abstract method. subclasses can do things here.
 125 }
 126
 127 - (void)textDidChange:(NSNotification *)notification
 128 {
 129         //if the password field is empty, disable the OK button.
 130         //otherwise, enable it.
 131         [button_OK setEnabled:([[textField_password secureStringValue] length] != 0)];
 132 }
 133
 134 // called as the window closes
 135 - (void)windowWillClose:(id)sender
 136 {
 137         [NSObject cancelPreviousPerformRequestsWithTarget:[self window]
 138                                                                                          selector:@selector(makeFirstResponder:)
 139                                                                                            object:textField_password];
 140
 141         [super windowWillClose:sender];
 142     [self autorelease];
 143 }
 144
 145 - (void)windowDidBecomeKey:(NSNotification *)aNotification
 146 {
 147         [[self window] performSelector:@selector(makeFirstResponder:)
 148                                                 withObject:textField_password
 149                                                 afterDelay:0];
 150 }
 151
 152 - (BOOL)shouldResignKeyWindowWithoutUserInput
 153 {
 154         /* We override this to ensure that password windows
 155          * don't have their focus pulled away programmatically.
 156          */
 157         return NO;
 158 }
 159
 160 @end