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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef ASH_GLANCEABLES_TASKS_GLANCEABLES_TASKS_COMBOBOX_MODEL_H_
#define ASH_GLANCEABLES_TASKS_GLANCEABLES_TASKS_COMBOBOX_MODEL_H_
#include <string>
#include "ash/ash_export.h"
#include "ui/base/models/combobox_model.h"
class PrefRegistrySimple;
class PrefService;
namespace ui {
template <class ItemType>
class ListModel;
}
namespace ash {
namespace api {
struct TaskList;
} // namespace api
// A simple data model for the glanceables tasks combobox. This is used to
// switch between different available tasks lists in the glanceable.
class ASH_EXPORT GlanceablesTasksComboboxModel : public ui::ComboboxModel {
public:
explicit GlanceablesTasksComboboxModel(
const ui::ListModel<api::TaskList>* tasks_lists);
GlanceablesTasksComboboxModel(const GlanceablesTasksComboboxModel&) = delete;
GlanceablesTasksComboboxModel& operator=(
const GlanceablesTasksComboboxModel&) = delete;
~GlanceablesTasksComboboxModel() override;
// Registers syncable user profile prefs with the specified `registry`.
static void RegisterUserProfilePrefs(PrefRegistrySimple* registry);
// Clears tasks glanceables state saved in user prefs.
static void ClearUserStatePrefs(PrefService* pref_service);
// Updates `task_lists_` with `task_list`.
void UpdateTaskLists(const ui::ListModel<api::TaskList>* task_lists);
// ui::ComboboxModel:
size_t GetItemCount() const override;
std::u16string GetItemAt(size_t index) const override;
std::optional<size_t> GetDefaultIndex() const override;
const api::TaskList* GetTaskListAt(size_t index) const;
// Saves the last selected `task_list_id` in user profile prefs.
void SaveLastSelectedTaskList(const std::string& task_list_id);
private:
// Owned by `TasksClientImpl`.
raw_ptr<const ui::ListModel<api::TaskList>> task_lists_;
};
} // namespace ash
#endif // ASH_GLANCEABLES_TASKS_GLANCEABLES_TASKS_COMBOBOX_MODEL_H_
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