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// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#import "chrome/browser/autofill/autofill_text_field_mac.h"
#include "base/sys_string_conversions.h"
#include "chrome/browser/autofill/credit_card.h"
@implementation AutoFillTextField
- (void)awakeFromNib {
if ([self tag] == AUTOFILL_CC_TAG)
isCreditCardField_ = YES;
}
// Override NSResponder method for when the text field may gain focus. We
// call |scrollRectToVisible| to ensure that this text field is visible within
// the scrolling area.
- (BOOL)becomeFirstResponder {
// Vertical inset is negative to indicate "outset". Provides some visual
// space above and below when tabbing between fields.
const CGFloat kVerticalInset = -40.0;
BOOL becoming = [super becomeFirstResponder];
if (becoming) {
[self scrollRectToVisible:NSInsetRect([self bounds], 0.0, kVerticalInset)];
}
return becoming;
}
- (void)setObjectValue:(id)object {
if (isCreditCardField_ && [object isKindOfClass:[NSString class]]) {
// Obfuscate the number.
NSString* string = object;
CreditCard card;
card.SetInfo(AutoFillType(CREDIT_CARD_NUMBER),
base::SysNSStringToUTF16(string));
NSString* starredString = base::SysUTF16ToNSString(card.ObfuscatedNumber());
[super setObjectValue:starredString];
isObfuscated_ = YES;
obfuscatedValue_.reset([string copy]);
} else {
[super setObjectValue:object];
}
}
- (id)objectValue {
if (isObfuscated_) {
// This should not happen. This field is bound, and its value will only be
// fetched if it is changed, and since we force selection, that should clear
// the obfuscation. Nevertheless, we'll be paranoid here since we don't want
// the obfuscating ***s to end up in the database.
return obfuscatedValue_.get();
} else {
return [super objectValue];
}
}
// |self| is automatically set to be the delegate of the field editor; this
// method is called by the field editor.
- (void)textViewDidChangeSelection:(NSNotification *)notification {
if (isCreditCardField_ && !isBeingSelected_ && isObfuscated_) {
// Can't edit obfuscated credit card info; force a select-all in that case.
isBeingSelected_ = YES;
NSText* editor = [notification object];
[editor selectAll:self];
isBeingSelected_ = NO;
}
}
// Docs aren't clear, but this is called on the first keypress, not when the
// field takes focus.
- (BOOL)textShouldBeginEditing:(NSText*)textObject {
BOOL should = [super textShouldBeginEditing:textObject];
// On editing, since everything is selected, the field is now clear.
isObfuscated_ = !should;
if (!isObfuscated_)
obfuscatedValue_.reset();
return should;
}
@end
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