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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.
#ifndef CHROME_BROWSER_CHROMEOS_OPTIONS_LANGUAGE_CONFIG_UTIL_H_
#define CHROME_BROWSER_CHROMEOS_OPTIONS_LANGUAGE_CONFIG_UTIL_H_
#pragma once
#include "app/combobox_model.h"
#include "base/string16.h"
#include "chrome/browser/chromeos/language_preferences.h"
#include "views/controls/combobox/combobox.h"
namespace chromeos {
// The combobox model for Language input method prefs.
template <typename DataType>
class LanguageComboboxModel : public ComboboxModel {
public:
explicit LanguageComboboxModel(
const language_prefs::LanguageMultipleChoicePreference<DataType>*
pref_data)
: pref_data_(pref_data), num_items_(0) {
// Check how many items are defined in the |pref_data->values_and_ids|
// array.
for (size_t i = 0;
i < language_prefs::LanguageMultipleChoicePreference<DataType>::
kMaxItems; ++i) {
if ((pref_data_->values_and_ids)[i].item_message_id == 0) {
break;
}
++num_items_;
}
}
// Implements ComboboxModel interface.
virtual int GetItemCount() {
return num_items_;
}
// Implements ComboboxModel interface.
virtual string16 GetItemAt(int index) {
if (index < 0 || index >= num_items_) {
LOG(ERROR) << "Index is out of bounds: " << index;
return string16();
}
const int message_id = (pref_data_->values_and_ids)[index].item_message_id;
return l10n_util::GetStringUTF16(message_id);
}
// Gets a label for the combobox like "Input mode". This function is NOT part
// of the ComboboxModel interface.
std::wstring GetLabel() const {
return l10n_util::GetString(pref_data_->label_message_id);
}
// Gets a config value for the ibus configuration daemon (e.g. "KUTEN_TOUTEN",
// "KUTEN_PERIOD", ..) for an item at zero-origin |index|. This function is
// NOT part of the ComboboxModel interface.
DataType GetConfigValueAt(int index) const {
if (index < 0 || index >= num_items_) {
LOG(ERROR) << "Index is out of bounds: " << index;
return (pref_data_->values_and_ids)[0].ibus_config_value;
}
return (pref_data_->values_and_ids)[index].ibus_config_value;
}
int num_items() {
return num_items_;
}
private:
const language_prefs::LanguageMultipleChoicePreference<DataType>* pref_data_;
int num_items_;
DISALLOW_COPY_AND_ASSIGN(LanguageComboboxModel);
};
// The combobox for the dialog which has minimum width.
class LanguageCombobox : public views::Combobox {
public:
explicit LanguageCombobox(ComboboxModel* model) : Combobox(model) {
}
virtual gfx::Size GetPreferredSize() {
gfx::Size size = Combobox::GetPreferredSize();
if (size.width() < kMinComboboxWidth) {
size.set_width(kMinComboboxWidth);
}
return size;
}
private:
static const int kMinComboboxWidth = 250;
DISALLOW_COPY_AND_ASSIGN(LanguageCombobox);
};
} // namespace chromeos
#endif // CHROME_BROWSER_CHROMEOS_OPTIONS_LANGUAGE_CONFIG_UTIL_H_
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