1// Copyright (c) 2009 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#import "chrome/browser/ui/cocoa/multi_key_equivalent_button.h"
6
7@implementation MultiKeyEquivalentButton
8
9- (void)addKeyEquivalent:(KeyEquivalentAndModifierMask)key {
10  extraKeys_.push_back(key);
11}
12
13- (BOOL)performKeyEquivalent:(NSEvent*)event {
14  NSWindow* modalWindow = [NSApp modalWindow];
15  NSWindow* window = [self window];
16
17  if ([self isEnabled] &&
18      (!modalWindow || modalWindow == window || [window worksWhenModal])) {
19    for (size_t index = 0; index < extraKeys_.size(); ++index) {
20      KeyEquivalentAndModifierMask key = extraKeys_[index];
21      if (key.charCode &&
22          [key.charCode isEqualToString:[event charactersIgnoringModifiers]] &&
23          ([event modifierFlags] & key.mask) == key.mask) {
24        [self performClick:self];
25        return YES;
26      }
27    }
28  }
29
30  return [super performKeyEquivalent:event];
31}
32
33@end
34