Upstream version 10.39.225.0
[platform/framework/web/crosswalk.git] / src / 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 "components/translate/content/common/cld_data_source.h"
19 #include "content/public/browser/web_contents.h"
20 #include "content/public/browser/web_ui.h"
21 #include "content/public/browser/web_ui_data_source.h"
22 #include "grit/translate_internals_resources.h"
23 #include "ui/base/l10n/l10n_util.h"
24
25 namespace {
26
27 // Sets the languages to |dict|. Each key is a language code and each value is
28 // a language name in the locale.
29 void GetLanguages(base::DictionaryValue* dict) {
30   DCHECK(dict);
31
32   const std::string app_locale = g_browser_process->GetApplicationLocale();
33   std::vector<std::string> language_codes;
34   l10n_util::GetAcceptLanguagesForLocale(app_locale, &language_codes);
35
36   for (std::vector<std::string>::iterator it = language_codes.begin();
37        it != language_codes.end(); ++it) {
38     const std::string& lang_code = *it;
39     base::string16 lang_name =
40         l10n_util::GetDisplayNameForLocale(lang_code, app_locale, false);
41     dict->SetString(lang_code, lang_name);
42   }
43 }
44
45 content::WebUIDataSource* CreateTranslateInternalsHTMLSource() {
46   content::WebUIDataSource* source =
47       content::WebUIDataSource::Create(chrome::kChromeUITranslateInternalsHost);
48
49   source->SetUseJsonJSFormatV2();
50   source->SetDefaultResource(IDR_TRANSLATE_INTERNALS_TRANSLATE_INTERNALS_HTML);
51   source->SetJsonPath("strings.js");
52   source->AddResourcePath("translate_internals.js",
53                           IDR_TRANSLATE_INTERNALS_TRANSLATE_INTERNALS_JS);
54
55   base::DictionaryValue langs;
56   GetLanguages(&langs);
57   for (base::DictionaryValue::Iterator it(langs); !it.IsAtEnd(); it.Advance()) {
58     std::string key = "language-" + it.key();
59     std::string value;
60     it.value().GetAsString(&value);
61     source->AddString(key, value);
62   }
63
64   std::string cld_version = "";
65   std::string cld_data_source = "";
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   cld_data_source = "static"; // CLD1.x does not support dynamic data loading
71 #elif CLD_VERSION==2
72   cld_version = "2";
73   cld_data_source = translate::CldDataSource::GetName();
74 #else
75   NOTREACHED();
76 #endif
77   source->AddString("cld-version", cld_version);
78   source->AddString("cld-data-source", cld_data_source);
79
80   return source;
81 }
82
83 }  // namespace
84
85 TranslateInternalsUI::TranslateInternalsUI(content::WebUI* web_ui)
86     : WebUIController(web_ui) {
87   web_ui->AddMessageHandler(new TranslateInternalsHandler);
88
89   Profile* profile = Profile::FromWebUI(web_ui);
90   content::WebUIDataSource::Add(profile, CreateTranslateInternalsHTMLSource());
91 }