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      1 // Copyright (c) 2012 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/translate/options_menu_model.h"
      6 
      7 #include "base/metrics/histogram.h"
      8 #include "chrome/app/chrome_command_ids.h"
      9 #include "chrome/browser/profiles/profile.h"
     10 #include "chrome/browser/translate/translate_infobar_delegate.h"
     11 #include "chrome/common/url_constants.h"
     12 #include "content/public/browser/navigation_controller.h"
     13 #include "content/public/browser/navigation_entry.h"
     14 #include "content/public/browser/web_contents.h"
     15 #include "grit/generated_resources.h"
     16 #include "grit/locale_settings.h"
     17 #include "ui/base/l10n/l10n_util.h"
     18 
     19 using content::NavigationEntry;
     20 using content::OpenURLParams;
     21 using content::Referrer;
     22 using content::WebContents;
     23 
     24 OptionsMenuModel::OptionsMenuModel(
     25     TranslateInfoBarDelegate* translate_delegate)
     26     : ui::SimpleMenuModel(this),
     27       translate_infobar_delegate_(translate_delegate) {
     28   // |translate_delegate| must already be owned.
     29   DCHECK(translate_infobar_delegate_->web_contents());
     30 
     31   base::string16 original_language = translate_delegate->language_name_at(
     32       translate_delegate->original_language_index());
     33   base::string16 target_language = translate_delegate->language_name_at(
     34       translate_delegate->target_language_index());
     35 
     36   bool autodetermined_source_language =
     37       translate_delegate->original_language_index() ==
     38       TranslateInfoBarDelegate::kNoIndex;
     39 
     40   // Populate the menu.
     41   // Incognito mode does not get any preferences related items.
     42   if (!translate_delegate->web_contents()->GetBrowserContext()->
     43       IsOffTheRecord()) {
     44     if (!autodetermined_source_language) {
     45       AddCheckItem(IDC_TRANSLATE_OPTIONS_ALWAYS,
     46           l10n_util::GetStringFUTF16(IDS_TRANSLATE_INFOBAR_OPTIONS_ALWAYS,
     47                                      original_language, target_language));
     48       AddCheckItem(IDC_TRANSLATE_OPTIONS_NEVER_TRANSLATE_LANG,
     49           l10n_util::GetStringFUTF16(
     50               IDS_TRANSLATE_INFOBAR_OPTIONS_NEVER_TRANSLATE_LANG,
     51               original_language));
     52     }
     53     AddCheckItem(IDC_TRANSLATE_OPTIONS_NEVER_TRANSLATE_SITE,
     54         l10n_util::GetStringUTF16(
     55             IDS_TRANSLATE_INFOBAR_OPTIONS_NEVER_TRANSLATE_SITE));
     56     AddSeparator(ui::NORMAL_SEPARATOR);
     57   }
     58   if (!autodetermined_source_language) {
     59     AddItem(IDC_TRANSLATE_REPORT_BAD_LANGUAGE_DETECTION,
     60         l10n_util::GetStringFUTF16(IDS_TRANSLATE_INFOBAR_OPTIONS_REPORT_ERROR,
     61                                    original_language));
     62   }
     63   AddItemWithStringId(IDC_TRANSLATE_OPTIONS_ABOUT,
     64       IDS_TRANSLATE_INFOBAR_OPTIONS_ABOUT);
     65 }
     66 
     67 OptionsMenuModel::~OptionsMenuModel() {
     68 }
     69 
     70 bool OptionsMenuModel::IsCommandIdChecked(int command_id) const {
     71   switch (command_id) {
     72     case IDC_TRANSLATE_OPTIONS_NEVER_TRANSLATE_LANG:
     73       return !translate_infobar_delegate_->IsTranslatableLanguageByPrefs();
     74 
     75     case IDC_TRANSLATE_OPTIONS_NEVER_TRANSLATE_SITE:
     76       return translate_infobar_delegate_->IsSiteBlacklisted();
     77 
     78     case IDC_TRANSLATE_OPTIONS_ALWAYS:
     79       return translate_infobar_delegate_->ShouldAlwaysTranslate();
     80 
     81     default:
     82       NOTREACHED() << "Invalid command_id from menu";
     83       break;
     84   }
     85   return false;
     86 }
     87 
     88 bool OptionsMenuModel::IsCommandIdEnabled(int command_id) const {
     89   switch (command_id) {
     90     case IDC_TRANSLATE_OPTIONS_NEVER_TRANSLATE_LANG :
     91     case IDC_TRANSLATE_OPTIONS_NEVER_TRANSLATE_SITE :
     92       return !translate_infobar_delegate_->ShouldAlwaysTranslate();
     93 
     94     case IDC_TRANSLATE_OPTIONS_ALWAYS :
     95       return (translate_infobar_delegate_->IsTranslatableLanguageByPrefs() &&
     96           !translate_infobar_delegate_->IsSiteBlacklisted());
     97 
     98     default:
     99       break;
    100   }
    101   return true;
    102 }
    103 
    104 bool OptionsMenuModel::GetAcceleratorForCommandId(
    105     int command_id, ui::Accelerator* accelerator) {
    106   return false;
    107 }
    108 
    109 void OptionsMenuModel::ExecuteCommand(int command_id, int event_flags) {
    110   switch (command_id) {
    111     case IDC_TRANSLATE_OPTIONS_NEVER_TRANSLATE_LANG:
    112       translate_infobar_delegate_->ToggleTranslatableLanguageByPrefs();
    113       break;
    114 
    115     case IDC_TRANSLATE_OPTIONS_NEVER_TRANSLATE_SITE:
    116       translate_infobar_delegate_->ToggleSiteBlacklist();
    117       break;
    118 
    119     case IDC_TRANSLATE_OPTIONS_ALWAYS:
    120       translate_infobar_delegate_->ToggleAlwaysTranslate();
    121       break;
    122 
    123     case IDC_TRANSLATE_REPORT_BAD_LANGUAGE_DETECTION:
    124       translate_infobar_delegate_->ReportLanguageDetectionError();
    125       break;
    126 
    127     case IDC_TRANSLATE_OPTIONS_ABOUT: {
    128       WebContents* web_contents = translate_infobar_delegate_->web_contents();
    129       if (web_contents) {
    130         OpenURLParams params(
    131             GURL(chrome::kAboutGoogleTranslateURL), Referrer(),
    132             NEW_FOREGROUND_TAB, content::PAGE_TRANSITION_LINK, false);
    133         web_contents->OpenURL(params);
    134       }
    135       break;
    136     }
    137 
    138     default:
    139       NOTREACHED() << "Invalid command id from menu.";
    140       break;
    141   }
    142 }
    143