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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/ui_localizer.h"
6
7#import <Foundation/Foundation.h>
8
9#include <stdlib.h>
10#include "base/sys_string_conversions.h"
11#include "base/logging.h"
12#include "grit/app_strings.h"
13#include "grit/chromium_strings.h"
14#include "grit/generated_resources.h"
15#include "ui/base/l10n/l10n_util.h"
16#include "ui/base/l10n/l10n_util_mac.h"
17
18struct UILocalizerResourceMap {
19  const char* const name;
20  unsigned int label_id;
21  unsigned int label_arg_id;
22};
23
24
25namespace {
26
27// Utility function for bsearch on a ResourceMap table
28int ResourceMapCompare(const void* utf8Void,
29                       const void* resourceMapVoid) {
30  const char* utf8_key = reinterpret_cast<const char*>(utf8Void);
31  const UILocalizerResourceMap* res_map =
32      reinterpret_cast<const UILocalizerResourceMap*> (resourceMapVoid);
33  return strcmp(utf8_key, res_map->name);
34}
35
36}  // namespace
37
38@interface GTMUILocalizer (PrivateAdditions)
39- (void)localizedObjects;
40@end
41
42@implementation GTMUILocalizer (PrivateAdditions)
43- (void)localizedObjects {
44  // The ivars are private, so this method lets us trigger the localization
45  // from -[ChromeUILocalizer awakeFromNib].
46  [self localizeObject:owner_ recursively:YES];
47  [self localizeObject:otherObjectToLocalize_ recursively:YES];
48  [self localizeObject:yetAnotherObjectToLocalize_ recursively:YES];
49}
50 @end
51
52@implementation ChromeUILocalizer
53
54- (void)awakeFromNib {
55  // The GTM base is bundle based, since don't need the bundle, use this
56  // override to bypass the bundle lookup and directly do the localization
57  // calls.
58  [self localizedObjects];
59}
60
61- (NSString *)localizedStringForString:(NSString *)string {
62
63  // Include the table here so it is a local static.  This header provides
64  // kUIResources and kUIResourcesSize.
65#include "ui_localizer_table.h"
66
67  // Look up the string for the resource id to fetch.
68  const char* utf8_key = [string UTF8String];
69  if (utf8_key) {
70    const void* valVoid = bsearch(utf8_key,
71                                  kUIResources,
72                                  kUIResourcesSize,
73                                  sizeof(UILocalizerResourceMap),
74                                  ResourceMapCompare);
75    const UILocalizerResourceMap* val =
76        reinterpret_cast<const UILocalizerResourceMap*>(valVoid);
77    if (val) {
78      // Do we need to build the string, or just fetch it?
79      if (val->label_arg_id != 0) {
80        const string16 label_arg(l10n_util::GetStringUTF16(val->label_arg_id));
81        return l10n_util::GetNSStringFWithFixup(val->label_id,
82                                                label_arg);
83      }
84
85      return l10n_util::GetNSStringWithFixup(val->label_id);
86    }
87
88    // Sanity check, there shouldn't be any strings with this id that aren't
89    // in our map.
90    DLOG_IF(WARNING, [string hasPrefix:@"^ID"]) << "Key '" << utf8_key
91        << "' wasn't in the resource map?";
92  }
93
94  // If we didn't find anything, this string doesn't need localizing.
95  return nil;
96}
97
98@end
99