1// Copyright (c) 2011 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
11#include "base/logging.h"
12#include "base/strings/sys_string_conversions.h"
13#include "chrome/grit/chromium_strings.h"
14#include "chrome/grit/generated_resources.h"
15#include "grit/components_strings.h"
16#include "ui/base/l10n/l10n_util.h"
17#include "ui/base/l10n/l10n_util_mac.h"
18#include "ui/strings/grit/ui_strings.h"
19
20struct UILocalizerResourceMap {
21  const char* const name;
22  unsigned int label_id;
23  unsigned int label_arg_id;
24};
25
26
27namespace {
28
29// Utility function for bsearch on a ResourceMap table
30int ResourceMapCompare(const void* utf8Void,
31                       const void* resourceMapVoid) {
32  const char* utf8_key = reinterpret_cast<const char*>(utf8Void);
33  const UILocalizerResourceMap* res_map =
34      reinterpret_cast<const UILocalizerResourceMap*> (resourceMapVoid);
35  return strcmp(utf8_key, res_map->name);
36}
37
38}  // namespace
39
40@interface GTMUILocalizer (PrivateAdditions)
41- (void)localizedObjects;
42@end
43
44@implementation GTMUILocalizer (PrivateAdditions)
45- (void)localizedObjects {
46  // The ivars are private, so this method lets us trigger the localization
47  // from -[ChromeUILocalizer awakeFromNib].
48  [self localizeObject:owner_ recursively:YES];
49  [self localizeObject:otherObjectToLocalize_ recursively:YES];
50  [self localizeObject:yetAnotherObjectToLocalize_ recursively:YES];
51}
52 @end
53
54@implementation ChromeUILocalizer
55
56- (void)awakeFromNib {
57  // The GTM base is bundle based, since don't need the bundle, use this
58  // override to bypass the bundle lookup and directly do the localization
59  // calls.
60  [self localizedObjects];
61}
62
63- (NSString *)localizedStringForString:(NSString *)string {
64
65  // Include the table here so it is a local static.  This header provides
66  // kUIResources and kUIResourcesSize.
67#include "ui_localizer_table.h"
68
69  // Look up the string for the resource id to fetch.
70  const char* utf8_key = [string UTF8String];
71  if (utf8_key) {
72    const void* valVoid = bsearch(utf8_key,
73                                  kUIResources,
74                                  kUIResourcesSize,
75                                  sizeof(UILocalizerResourceMap),
76                                  ResourceMapCompare);
77    const UILocalizerResourceMap* val =
78        reinterpret_cast<const UILocalizerResourceMap*>(valVoid);
79    if (val) {
80      // Do we need to build the string, or just fetch it?
81      if (val->label_arg_id != 0) {
82        const base::string16 label_arg(
83            l10n_util::GetStringUTF16(val->label_arg_id));
84        return l10n_util::GetNSStringFWithFixup(val->label_id, label_arg);
85      }
86
87      return l10n_util::GetNSStringWithFixup(val->label_id);
88    }
89
90    // Sanity check, there shouldn't be any strings with this id that aren't
91    // in our map.
92    DLOG_IF(WARNING, [string hasPrefix:@"^ID"]) << "Key '" << utf8_key
93        << "' wasn't in the resource map?";
94  }
95
96  // If we didn't find anything, this string doesn't need localizing.
97  return nil;
98}
99
100@end
101