chrome/browser/favicon/chrome_fallback_icon_client.cc

   1 // Copyright 2015 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/favicon/chrome_fallback_icon_client.h"
   6
   7 #include "base/i18n/case_conversion.h"
   8 #include "base/strings/utf_string_conversions.h"
   9 #include "grit/platform_locale_settings.h"
  10 #include "net/base/registry_controlled_domains/registry_controlled_domain.h"
  11 #include "ui/base/l10n/l10n_util.h"
  12 #include "url/gurl.h"
  13
  14 namespace {
  15 const char* kFallbackIconTextForIP = "IP";
  16 }  // namespace
  17
  18 ChromeFallbackIconClient::ChromeFallbackIconClient() {
  19 #if defined(OS_CHROMEOS)
  20   font_list_.push_back("Noto Sans");
  21 #elif defined(OS_IOS)
  22   font_list_.push_back("Helvetica Neue");
  23 #else
  24   font_list_.push_back(l10n_util::GetStringUTF8(IDS_SANS_SERIF_FONT_FAMILY));
  25 #endif
  26 }
  27
  28 ChromeFallbackIconClient::~ChromeFallbackIconClient() {
  29 }
  30
  31 const std::vector<std::string>& ChromeFallbackIconClient::GetFontNameList()
  32     const {
  33   return font_list_;
  34 }
  35
  36 // Returns a single character to represent |url|. To do this we take the first
  37 // letter in a domain's name and make it upper case.
  38 base::string16 ChromeFallbackIconClient::GetFallbackIconText(const GURL& url)
  39     const {
  40   if (url.is_empty())
  41     return base::string16();
  42   std::string domain = net::registry_controlled_domains::GetDomainAndRegistry(
  43       url, net::registry_controlled_domains::INCLUDE_PRIVATE_REGISTRIES);
  44   if (domain.empty()) {  // E.g., http://localhost/ or http://192.168.0.1/
  45     if (url.HostIsIPAddress())
  46       return base::ASCIIToUTF16(kFallbackIconTextForIP);
  47     domain = url.host();
  48   }
  49   if (domain.empty())
  50     return base::string16();
  51   // TODO(huangs): Handle non-ASCII ("xn--") domain names.
  52   return base::i18n::ToUpper(base::ASCIIToUTF16(domain.substr(0, 1)));
  53 }