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// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/language_order_table_model.h"
#include <set>
#include "app/l10n_util.h"
#include "app/table_model_observer.h"
#include "base/string_split.h"
#include "base/utf_string_conversions.h"
#include "chrome/browser/browser_process.h"
LanguageOrderTableModel::LanguageOrderTableModel()
: observer_(NULL) {
}
void LanguageOrderTableModel::SetAcceptLanguagesString(
const std::string& language_list) {
std::vector<std::string> languages_vector;
base::SplitString(language_list, ',', &languages_vector);
languages_.clear();
std::set<std::string> added;
for (int i = 0; i < static_cast<int>(languages_vector.size()); i++) {
const std::string& language(languages_vector.at(i));
if (!language.empty() && added.count(language) == 0) {
languages_.push_back(language);
added.insert(language);
}
}
if (observer_)
observer_->OnModelChanged();
}
void LanguageOrderTableModel::SetObserver(TableModelObserver* observer) {
observer_ = observer;
}
std::wstring LanguageOrderTableModel::GetText(int row, int column_id) {
DCHECK(row >= 0 && row < RowCount());
const std::string app_locale = g_browser_process->GetApplicationLocale();
return UTF16ToWide(l10n_util::GetDisplayNameForLocale(languages_.at(row),
app_locale,
true));
}
bool LanguageOrderTableModel::Add(const std::string& language) {
if (language.empty())
return false;
// Check for selecting duplicated language.
for (std::vector<std::string>::const_iterator cit = languages_.begin();
cit != languages_.end(); ++cit)
if (*cit == language)
return false;
languages_.push_back(language);
if (observer_)
observer_->OnItemsAdded(RowCount() - 1, 1);
return true;
}
void LanguageOrderTableModel::Remove(int index) {
DCHECK(index >= 0 && index < RowCount());
languages_.erase(languages_.begin() + index);
if (observer_)
observer_->OnItemsRemoved(index, 1);
}
int LanguageOrderTableModel::GetIndex(const std::string& language) {
if (language.empty())
return -1;
int index = 0;
for (std::vector<std::string>::const_iterator cit = languages_.begin();
cit != languages_.end(); ++cit) {
if (*cit == language)
return index;
index++;
}
return -1;
}
void LanguageOrderTableModel::MoveDown(int index) {
if (index < 0 || index >= RowCount() - 1)
return;
std::string item = languages_.at(index);
languages_.erase(languages_.begin() + index);
if (index == RowCount() - 1)
languages_.push_back(item);
else
languages_.insert(languages_.begin() + index + 1, item);
if (observer_)
observer_->OnItemsChanged(0, RowCount());
}
void LanguageOrderTableModel::MoveUp(int index) {
if (index <= 0 || index >= static_cast<int>(languages_.size()))
return;
std::string item = languages_.at(index);
languages_.erase(languages_.begin() + index);
languages_.insert(languages_.begin() + index - 1, item);
if (observer_)
observer_->OnItemsChanged(0, RowCount());
}
std::string LanguageOrderTableModel::GetLanguageList() {
return JoinString(languages_, ',');
}
int LanguageOrderTableModel::RowCount() {
return static_cast<int>(languages_.size());
}
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