chrome/browser/ui/toolbar/encoding_menu_controller.cc

   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/ui/toolbar/encoding_menu_controller.h"
   6
   7 #include "base/i18n/rtl.h"
   8 #include "base/prefs/pref_service.h"
   9 #include "base/strings/utf_string_conversions.h"
  10 #include "chrome/app/chrome_command_ids.h"
  11 #include "chrome/browser/browser_process.h"
  12 #include "chrome/browser/character_encoding.h"
  13 #include "chrome/browser/profiles/profile.h"
  14 #include "chrome/common/pref_names.h"
  15 #include "grit/generated_resources.h"
  16 #include "ui/base/l10n/l10n_util.h"
  17
  18 const int EncodingMenuController::kValidEncodingIds[] = {
  19     IDC_ENCODING_UTF8,
  20     IDC_ENCODING_UTF16LE,
  21     IDC_ENCODING_ISO88591,
  22     IDC_ENCODING_WINDOWS1252,
  23     IDC_ENCODING_GBK,
  24     IDC_ENCODING_GB18030,
  25     IDC_ENCODING_BIG5,
  26     IDC_ENCODING_BIG5HKSCS,
  27     IDC_ENCODING_KOREAN,
  28     IDC_ENCODING_SHIFTJIS,
  29     IDC_ENCODING_ISO2022JP,
  30     IDC_ENCODING_EUCJP,
  31     IDC_ENCODING_THAI,
  32     IDC_ENCODING_ISO885915,
  33     IDC_ENCODING_MACINTOSH,
  34     IDC_ENCODING_ISO88592,
  35     IDC_ENCODING_WINDOWS1250,
  36     IDC_ENCODING_ISO88595,
  37     IDC_ENCODING_WINDOWS1251,
  38     IDC_ENCODING_KOI8R,
  39     IDC_ENCODING_KOI8U,
  40     IDC_ENCODING_ISO88597,
  41     IDC_ENCODING_WINDOWS1253,
  42     IDC_ENCODING_ISO88594,
  43     IDC_ENCODING_ISO885913,
  44     IDC_ENCODING_WINDOWS1257,
  45     IDC_ENCODING_ISO88593,
  46     IDC_ENCODING_ISO885910,
  47     IDC_ENCODING_ISO885914,
  48     IDC_ENCODING_ISO885916,
  49     IDC_ENCODING_WINDOWS1254,
  50     IDC_ENCODING_ISO88596,
  51     IDC_ENCODING_WINDOWS1256,
  52     IDC_ENCODING_ISO88598,
  53     IDC_ENCODING_WINDOWS1255,
  54     IDC_ENCODING_WINDOWS1258,
  55     IDC_ENCODING_ISO88598I,
  56 };
  57
  58 bool EncodingMenuController::DoesCommandBelongToEncodingMenu(int id) {
  59   if (id == IDC_ENCODING_AUTO_DETECT) {
  60     return true;
  61   }
  62
  63   for (size_t i = 0; i < arraysize(kValidEncodingIds); ++i) {
  64     if (id == kValidEncodingIds[i]) {
  65       return true;
  66     }
  67   }
  68
  69   return false;
  70 }
  71
  72 const int* EncodingMenuController::ValidGUIEncodingIDs() {
  73   return kValidEncodingIds;
  74 }
  75
  76 int EncodingMenuController::NumValidGUIEncodingIDs() {
  77   return arraysize(kValidEncodingIds);
  78 }
  79
  80 bool EncodingMenuController::IsItemChecked(
  81     Profile* browser_profile,
  82     const std::string& current_tab_encoding,
  83     int item_id) {
  84   if (!DoesCommandBelongToEncodingMenu(item_id))
  85     return false;
  86
  87   std::string encoding = current_tab_encoding;
  88   if (encoding.empty())
  89     encoding = browser_profile->GetPrefs()->GetString(prefs::kDefaultCharset);
  90
  91   if (item_id == IDC_ENCODING_AUTO_DETECT) {
  92     return browser_profile->GetPrefs()->GetBoolean(
  93         prefs::kWebKitUsesUniversalDetector);
  94   }
  95
  96   if (!encoding.empty()) {
  97     return encoding ==
  98         CharacterEncoding::GetCanonicalEncodingNameByCommandId(item_id);
  99   }
 100
 101   return false;
 102 }
 103
 104 void EncodingMenuController::GetEncodingMenuItems(Profile* profile,
 105     EncodingMenuItemList* menu_items) {
 106
 107   DCHECK(menu_items);
 108   EncodingMenuItem separator(0, base::string16());
 109
 110   menu_items->clear();
 111   menu_items->push_back(
 112       EncodingMenuItem(IDC_ENCODING_AUTO_DETECT,
 113                        l10n_util::GetStringUTF16(IDS_ENCODING_AUTO_DETECT)));
 114   menu_items->push_back(separator);
 115
 116   // Create current display encoding list.
 117   const std::vector<CharacterEncoding::EncodingInfo>* encodings;
 118
 119   // Build the list of encoding ids : It is made of the
 120   // locale-dependent short list, the cache of recently selected
 121   // encodings and other encodings.
 122   encodings = CharacterEncoding::GetCurrentDisplayEncodings(
 123       g_browser_process->GetApplicationLocale(),
 124       profile->GetPrefs()->GetString(prefs::kStaticEncodings),
 125       profile->GetPrefs()->GetString(prefs::kRecentlySelectedEncoding));
 126   DCHECK(encodings);
 127   DCHECK(!encodings->empty());
 128
 129   // Build up output list for menu.
 130   std::vector<CharacterEncoding::EncodingInfo>::const_iterator it;
 131   for (it = encodings->begin(); it != encodings->end(); ++it) {
 132     if (it->encoding_id) {
 133       base::string16 encoding = it->encoding_display_name;
 134       base::i18n::AdjustStringForLocaleDirection(&encoding);
 135       menu_items->push_back(EncodingMenuItem(it->encoding_id, encoding));
 136     } else {
 137       menu_items->push_back(separator);
 138     }
 139   }
 140 }