1 // Copyright (c) 2010 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/language_order_table_model.h" 6 7 #include <set> 8 9 #include "base/string_split.h" 10 #include "base/utf_string_conversions.h" 11 #include "chrome/browser/browser_process.h" 12 #include "ui/base/l10n/l10n_util.h" 13 #include "ui/base/models/table_model_observer.h" 14 LanguageOrderTableModel()15 LanguageOrderTableModel::LanguageOrderTableModel() 16 : observer_(NULL) { 17 } 18 ~LanguageOrderTableModel()19 LanguageOrderTableModel::~LanguageOrderTableModel() {} 20 SetAcceptLanguagesString(const std::string & language_list)21 void LanguageOrderTableModel::SetAcceptLanguagesString( 22 const std::string& language_list) { 23 std::vector<std::string> languages_vector; 24 base::SplitString(language_list, ',', &languages_vector); 25 languages_.clear(); 26 std::set<std::string> added; 27 for (int i = 0; i < static_cast<int>(languages_vector.size()); i++) { 28 const std::string& language(languages_vector.at(i)); 29 if (!language.empty() && added.count(language) == 0) { 30 languages_.push_back(language); 31 added.insert(language); 32 } 33 } 34 if (observer_) 35 observer_->OnModelChanged(); 36 } 37 SetObserver(ui::TableModelObserver * observer)38 void LanguageOrderTableModel::SetObserver(ui::TableModelObserver* observer) { 39 observer_ = observer; 40 } 41 GetText(int row,int column_id)42 string16 LanguageOrderTableModel::GetText(int row, int column_id) { 43 DCHECK(row >= 0 && row < RowCount()); 44 const std::string app_locale = g_browser_process->GetApplicationLocale(); 45 return l10n_util::GetDisplayNameForLocale(languages_.at(row), 46 app_locale, 47 true); 48 } 49 Add(const std::string & language)50 bool LanguageOrderTableModel::Add(const std::string& language) { 51 if (language.empty()) 52 return false; 53 // Check for selecting duplicated language. 54 for (std::vector<std::string>::const_iterator cit = languages_.begin(); 55 cit != languages_.end(); ++cit) 56 if (*cit == language) 57 return false; 58 languages_.push_back(language); 59 if (observer_) 60 observer_->OnItemsAdded(RowCount() - 1, 1); 61 return true; 62 } 63 Remove(int index)64 void LanguageOrderTableModel::Remove(int index) { 65 DCHECK(index >= 0 && index < RowCount()); 66 languages_.erase(languages_.begin() + index); 67 if (observer_) 68 observer_->OnItemsRemoved(index, 1); 69 } 70 GetIndex(const std::string & language)71 int LanguageOrderTableModel::GetIndex(const std::string& language) { 72 if (language.empty()) 73 return -1; 74 75 int index = 0; 76 for (std::vector<std::string>::const_iterator cit = languages_.begin(); 77 cit != languages_.end(); ++cit) { 78 if (*cit == language) 79 return index; 80 81 index++; 82 } 83 84 return -1; 85 } 86 MoveDown(int index)87 void LanguageOrderTableModel::MoveDown(int index) { 88 if (index < 0 || index >= RowCount() - 1) 89 return; 90 std::string item = languages_.at(index); 91 languages_.erase(languages_.begin() + index); 92 if (index == RowCount() - 1) 93 languages_.push_back(item); 94 else 95 languages_.insert(languages_.begin() + index + 1, item); 96 if (observer_) 97 observer_->OnItemsChanged(0, RowCount()); 98 } 99 MoveUp(int index)100 void LanguageOrderTableModel::MoveUp(int index) { 101 if (index <= 0 || index >= static_cast<int>(languages_.size())) 102 return; 103 std::string item = languages_.at(index); 104 languages_.erase(languages_.begin() + index); 105 languages_.insert(languages_.begin() + index - 1, item); 106 if (observer_) 107 observer_->OnItemsChanged(0, RowCount()); 108 } 109 GetLanguageList()110 std::string LanguageOrderTableModel::GetLanguageList() { 111 return JoinString(languages_, ','); 112 } 113 RowCount()114 int LanguageOrderTableModel::RowCount() { 115 return static_cast<int>(languages_.size()); 116 } 117