translate_internals_ui.cc revision c5cede9ae108bb15f6b7a8aea21c7e1fefa2834c 
1// Copyright 2013 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#include "chrome/browser/ui/webui/translate_internals/translate_internals_ui.h"
6
7#include <string>
8#include <vector>
9
10#include "base/command_line.h"
11#include "base/memory/scoped_ptr.h"
12#include "base/values.h"
13#include "chrome/browser/browser_process.h"
14#include "chrome/browser/profiles/profile.h"
15#include "chrome/browser/ui/webui/translate_internals/translate_internals_handler.h"
16#include "chrome/common/chrome_switches.h"
17#include "chrome/common/url_constants.h"
18#include "content/public/browser/web_contents.h"
19#include "content/public/browser/web_ui.h"
20#include "content/public/browser/web_ui_data_source.h"
21#include "grit/browser_resources.h"
22#include "grit/translate_internals_resources.h"
23#include "ui/base/l10n/l10n_util.h"
24#include "ui/base/resource/resource_bundle.h"
25
26namespace {
27
28// Sets the languages to |dict|. Each key is a language code and each value is
29// a language name in the locale.
30void GetLanguages(base::DictionaryValue* dict) {
31  DCHECK(dict);
32
33  const std::string app_locale = g_browser_process->GetApplicationLocale();
34  std::vector<std::string> language_codes;
35  l10n_util::GetAcceptLanguagesForLocale(app_locale, &language_codes);
36
37  for (std::vector<std::string>::iterator it = language_codes.begin();
38       it != language_codes.end(); ++it) {
39    const std::string& lang_code = *it;
40    base::string16 lang_name =
41        l10n_util::GetDisplayNameForLocale(lang_code, app_locale, false);
42    dict->SetString(lang_code, lang_name);
43  }
44}
45
46content::WebUIDataSource* CreateTranslateInternalsHTMLSource() {
47  content::WebUIDataSource* source =
48      content::WebUIDataSource::Create(chrome::kChromeUITranslateInternalsHost);
49
50  source->SetUseJsonJSFormatV2();
51  source->SetDefaultResource(IDR_TRANSLATE_INTERNALS_TRANSLATE_INTERNALS_HTML);
52  source->SetJsonPath("strings.js");
53  source->AddResourcePath("translate_internals.js",
54                          IDR_TRANSLATE_INTERNALS_TRANSLATE_INTERNALS_JS);
55
56  base::DictionaryValue langs;
57  GetLanguages(&langs);
58  for (base::DictionaryValue::Iterator it(langs); !it.IsAtEnd(); it.Advance()) {
59    std::string key = "language-" + it.key();
60    std::string value;
61    it.value().GetAsString(&value);
62    source->AddString(key, value);
63  }
64
65  std::string cld_version = "";
66  // The version strings are hardcoded here to avoid linking with the CLD
67  // library, see http://crbug.com/297777.
68#if CLD_VERSION==1
69  cld_version = "1.6";
70#elif CLD_VERSION==2
71  cld_version = "2";
72#else
73  NOTREACHED();
74#endif
75  source->AddString("cld-version", cld_version);
76
77  return source;
78}
79
80}  // namespace
81
82TranslateInternalsUI::TranslateInternalsUI(content::WebUI* web_ui)
83    : WebUIController(web_ui) {
84  web_ui->AddMessageHandler(new TranslateInternalsHandler);
85
86  Profile* profile = Profile::FromWebUI(web_ui);
87  content::WebUIDataSource::Add(profile, CreateTranslateInternalsHTMLSource());
88}
89