chrome/browser/ui/webui/translate_internals/translate_internals_ui.cc

   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
  26 namespace {
  27
  28 // Sets the languages to |dict|. Each key is a language code and each value is
  29 // a language name in the locale.
  30 void 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
  46 content::WebUIDataSource* CreateTranslateInternalsHTMLSource() {
  47   content::WebUIDataSource* source =
  48       content::WebUIDataSource::Create(chrome::kChromeUITranslateInternalsHost);
  49   source->SetDefaultResource(IDR_TRANSLATE_INTERNALS_TRANSLATE_INTERNALS_HTML);
  50   source->SetJsonPath("strings.js");
  51   source->AddResourcePath("translate_internals.js",
  52                           IDR_TRANSLATE_INTERNALS_TRANSLATE_INTERNALS_JS);
  53
  54   base::DictionaryValue langs;
  55   GetLanguages(&langs);
  56   for (base::DictionaryValue::Iterator it(langs); !it.IsAtEnd(); it.Advance()) {
  57     std::string key = "language-" + it.key();
  58     std::string value;
  59     it.value().GetAsString(&value);
  60     source->AddString(key, value);
  61   }
  62
  63   std::string cld_version = "";
  64   // The version strings are hardcoded here to avoid linking with the CLD
  65   // library, see http://crbug.com/297777.
  66 #if CLD_VERSION==1
  67   cld_version = "1.6";
  68 #elif CLD_VERSION==2
  69   cld_version = "2";
  70 #else
  71   NOTREACHED();
  72 #endif
  73   source->AddString("cld-version", cld_version);
  74
  75   return source;
  76 }
  77
  78 }  // namespace
  79
  80 TranslateInternalsUI::TranslateInternalsUI(content::WebUI* web_ui)
  81     : WebUIController(web_ui) {
  82   web_ui->AddMessageHandler(new TranslateInternalsHandler);
  83
  84   Profile* profile = Profile::FromWebUI(web_ui);
  85   content::WebUIDataSource::Add(profile, CreateTranslateInternalsHTMLSource());
  86 }