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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/base/models/combobox_model.h"
#include "ui/base/models/combobox_model_observer.h"
#include "ui/base/models/image_model.h"
namespace ui {
ComboboxModel::ComboboxModel() = default;
ComboboxModel::~ComboboxModel() {
observers_.Notify(&ui::ComboboxModelObserver::OnComboboxModelDestroying,
this);
}
std::u16string ComboboxModel::GetDropDownSecondaryTextAt(size_t index) const {
return std::u16string();
}
ImageModel ComboboxModel::GetIconAt(size_t index) const {
return ui::ImageModel();
}
ImageModel ComboboxModel::GetDropDownIconAt(size_t index) const {
return GetIconAt(index);
}
bool ComboboxModel::IsItemSeparatorAt(size_t index) const {
return false;
}
bool ComboboxModel::IsItemTitleAt(size_t index) const {
return false;
}
std::optional<size_t> ComboboxModel::GetDefaultIndex() const {
return size_t{0};
}
bool ComboboxModel::IsItemEnabledAt(size_t index) const {
return true;
}
ComboboxModel::ItemCheckmarkConfig ComboboxModel::GetCheckmarkConfig() const {
return ItemCheckmarkConfig::kDefault;
}
void ComboboxModel::AddObserver(ComboboxModelObserver* observer) {
observers_.AddObserver(observer);
}
void ComboboxModel::RemoveObserver(ComboboxModelObserver* observer) {
observers_.RemoveObserver(observer);
}
std::optional<ui::ColorId> ComboboxModel::GetDropdownForegroundColorIdAt(
size_t index) const {
return std::nullopt;
}
std::optional<ui::ColorId> ComboboxModel::GetDropdownBackgroundColorIdAt(
size_t index) const {
return std::nullopt;
}
std::optional<ui::ColorId>
ComboboxModel::GetDropdownSelectedBackgroundColorIdAt(size_t index) const {
return std::nullopt;
}
} // namespace ui
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