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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.
#ifndef CHROME_BROWSER_UI_SEARCH_ENGINES_TEMPLATE_URL_TABLE_MODEL_H_
#define CHROME_BROWSER_UI_SEARCH_ENGINES_TEMPLATE_URL_TABLE_MODEL_H_
#include <memory>
#include <optional>
#include <string>
#include <vector>
#include "base/memory/raw_ptr.h"
#include "components/search_engines/template_url_service_observer.h"
#include "ui/base/models/table_model.h"
class TemplateURL;
class TemplateURLService;
namespace search_engines {
enum class ChoiceMadeLocation;
}
// TemplateURLTableModel is the TableModel implementation used by
// KeywordEditorView to show the keywords in a TableView.
//
// TemplateURLTableModel has two columns, the first showing the description,
// the second the keyword.
//
// TemplateURLTableModel maintains a vector of TemplateURLs. The entries in the
// model are sorted such that non-generated keywords appear first (grouped
// together) and are followed by generated keywords.
class TemplateURLTableModel : public ui::TableModel,
TemplateURLServiceObserver {
public:
explicit TemplateURLTableModel(TemplateURLService* template_url_service);
TemplateURLTableModel(const TemplateURLTableModel&) = delete;
TemplateURLTableModel& operator=(const TemplateURLTableModel&) = delete;
~TemplateURLTableModel() override;
// Reloads the entries from the TemplateURLService. This should ONLY be
// invoked if the TemplateURLService wasn't initially loaded and has been
// loaded.
void Reload();
// ui::TableModel overrides.
size_t RowCount() override;
std::u16string GetText(size_t row, int column) override;
void SetObserver(ui::TableModelObserver* observer) override;
// Removes the entry at the specified index.
void Remove(size_t index);
// Adds a new entry at the specified index.
void Add(size_t index,
const std::u16string& short_name,
const std::u16string& keyword,
const std::string& url);
// Update the entry at the specified index.
void ModifyTemplateURL(size_t index,
const std::u16string& title,
const std::u16string& keyword,
const std::string& url);
// Reloads the icon at the specified index.
void ReloadIcon(size_t index);
// Returns the TemplateURL at the specified index.
TemplateURL* GetTemplateURL(size_t index);
// Returns the index of the TemplateURL, or nullopt if it the TemplateURL is
// not found.
std::optional<size_t> IndexOfTemplateURL(const TemplateURL* template_url);
// Make the TemplateURL at |index| the default. Returns the new index, or -1
// if the index is invalid or it is already the default.
void MakeDefaultTemplateURL(
size_t index,
search_engines::ChoiceMadeLocation choice_location);
// Activates the TemplateURL at the specified index if `is_active` is true and
// deactivates if false. When the TemplateURL is active, it can be invoked by
// keyword via the omnibox.
void SetIsActiveTemplateURL(size_t index, bool is_active);
// Returns the index of the last entry shown in the search engines group.
size_t last_search_engine_index() const { return last_search_engine_index_; }
// Returns the index of the last entry shown in the active search engines
// group.
size_t last_active_engine_index() const { return last_active_engine_index_; }
// Returns the index of the last entry shown in the other search engines
// group.
size_t last_other_engine_index() const { return last_other_engine_index_; }
private:
// TemplateURLServiceObserver notification.
void OnTemplateURLServiceChanged() override;
raw_ptr<ui::TableModelObserver> observer_;
// The entries.
std::vector<raw_ptr<TemplateURL, VectorExperimental>> entries_;
// The model we're displaying entries from.
raw_ptr<TemplateURLService> template_url_service_;
// Index of the last search engine in entries_. This is used to determine the
// group boundaries.
size_t last_search_engine_index_;
// Index of the last active engine in entries_. Engines are active if they've
// been used or manually added/modified by the user. This is used to determine
// the group boundaries.
size_t last_active_engine_index_;
// Index of the last other engine in entries_. This is used to determine the
// group boundaries.
size_t last_other_engine_index_;
};
#endif // CHROME_BROWSER_UI_SEARCH_ENGINES_TEMPLATE_URL_TABLE_MODEL_H_
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