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 "chrome/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_WINDOWS1252,
  22     IDC_ENCODING_GBK,
  23     IDC_ENCODING_GB18030,
  24     IDC_ENCODING_BIG5,
  25     IDC_ENCODING_KOREAN,
  26     IDC_ENCODING_SHIFTJIS,
  27     IDC_ENCODING_ISO2022JP,
  28     IDC_ENCODING_EUCJP,
  29     IDC_ENCODING_THAI,
  30     IDC_ENCODING_ISO885915,
  31     IDC_ENCODING_MACINTOSH,
  32     IDC_ENCODING_ISO88592,
  33     IDC_ENCODING_WINDOWS1250,
  34     IDC_ENCODING_ISO88595,
  35     IDC_ENCODING_WINDOWS1251,
  36     IDC_ENCODING_KOI8R,
  37     IDC_ENCODING_KOI8U,
  38     IDC_ENCODING_ISO88597,
  39     IDC_ENCODING_WINDOWS1253,
  40     IDC_ENCODING_ISO88594,
  41     IDC_ENCODING_ISO885913,
  42     IDC_ENCODING_WINDOWS1257,
  43     IDC_ENCODING_ISO88593,
  44     IDC_ENCODING_ISO885910,
  45     IDC_ENCODING_ISO885914,
  46     IDC_ENCODING_ISO885916,
  47     IDC_ENCODING_WINDOWS1254,
  48     IDC_ENCODING_ISO88596,
  49     IDC_ENCODING_WINDOWS1256,
  50     IDC_ENCODING_ISO88598,
  51     IDC_ENCODING_WINDOWS1255,
  52     IDC_ENCODING_WINDOWS1258,
  53     IDC_ENCODING_ISO88598I,
  54     IDC_ENCODING_IBM866,
  55 };
  56
  57 bool EncodingMenuController::DoesCommandBelongToEncodingMenu(int id) {
  58   if (id == IDC_ENCODING_AUTO_DETECT) {
  59     return true;
  60   }
  61
  62   for (size_t i = 0; i < arraysize(kValidEncodingIds); ++i) {
  63     if (id == kValidEncodingIds[i]) {
  64       return true;
  65     }
  66   }
  67
  68   return false;
  69 }
  70
  71 const int* EncodingMenuController::ValidGUIEncodingIDs() {
  72   return kValidEncodingIds;
  73 }
  74
  75 int EncodingMenuController::NumValidGUIEncodingIDs() {
  76   return arraysize(kValidEncodingIds);
  77 }
  78
  79 bool EncodingMenuController::IsItemChecked(
  80     Profile* browser_profile,
  81     const std::string& current_tab_encoding,
  82     int item_id) {
  83   if (!DoesCommandBelongToEncodingMenu(item_id))
  84     return false;
  85
  86   std::string encoding = current_tab_encoding;
  87   if (encoding.empty())
  88     encoding = browser_profile->GetPrefs()->GetString(prefs::kDefaultCharset);
  89
  90   if (item_id == IDC_ENCODING_AUTO_DETECT) {
  91     return browser_profile->GetPrefs()->GetBoolean(
  92         prefs::kWebKitUsesUniversalDetector);
  93   }
  94
  95   if (!encoding.empty()) {
  96     return encoding ==
  97         CharacterEncoding::GetCanonicalEncodingNameByCommandId(item_id);
  98   }
  99
 100   return false;
 101 }
 102
 103 void EncodingMenuController::GetEncodingMenuItems(Profile* profile,
 104     EncodingMenuItemList* menu_items) {
 105
 106   DCHECK(menu_items);
 107   EncodingMenuItem separator(0, base::string16());
 108
 109   menu_items->clear();
 110   menu_items->push_back(
 111       EncodingMenuItem(IDC_ENCODING_AUTO_DETECT,
 112                        l10n_util::GetStringUTF16(IDS_ENCODING_AUTO_DETECT)));
 113   menu_items->push_back(separator);
 114
 115   // Create current display encoding list.
 116   const std::vector<CharacterEncoding::EncodingInfo>* encodings;
 117
 118   // Build the list of encoding ids : It is made of the
 119   // locale-dependent short list, the cache of recently selected
 120   // encodings and other encodings.
 121   encodings = CharacterEncoding::GetCurrentDisplayEncodings(
 122       g_browser_process->GetApplicationLocale(),
 123       profile->GetPrefs()->GetString(prefs::kStaticEncodings),
 124       profile->GetPrefs()->GetString(prefs::kRecentlySelectedEncoding));
 125   DCHECK(encodings);
 126   DCHECK(!encodings->empty());
 127
 128   // Build up output list for menu.
 129   std::vector<CharacterEncoding::EncodingInfo>::const_iterator it;
 130   for (it = encodings->begin(); it != encodings->end(); ++it) {
 131     if (it->encoding_id) {
 132       base::string16 encoding = it->encoding_display_name;
 133       base::i18n::AdjustStringForLocaleDirection(&encoding);
 134       menu_items->push_back(EncodingMenuItem(it->encoding_id, encoding));
 135     } else {
 136       menu_items->push_back(separator);
 137     }
 138   }
 139 }