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// Copyright 2015 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_UI_APP_LIST_APP_LIST_MODEL_BUILDER_H_
#define CHROME_BROWSER_UI_APP_LIST_APP_LIST_MODEL_BUILDER_H_
#include <string>
#include "base/macros.h"
#include "chrome/browser/ui/app_list/app_list_syncable_service.h"
#include "ui/app_list/app_list_item_list_observer.h"
#include "ui/app_list/app_list_model.h"
class AppListControllerDelegate;
class Profile;
// This abstract class populates and maintains the given |model| with
// information from |profile| for the specific item type.
class AppListModelBuilder : public app_list::AppListItemListObserver {
public:
// |controller| is owned by implementation of AppListService.
AppListModelBuilder(AppListControllerDelegate* controller,
const char* item_type);
~AppListModelBuilder() override;
// Initialize to use app-list sync and sets |service_| to |service|.
// |service| is the owner of this instance and |model|.
void InitializeWithService(app_list::AppListSyncableService* service,
app_list::AppListModel* model);
// Initialize to use extension sync and sets |service_| to nullptr. Used in
// tests and when AppList sync is not enabled.
// app_list::AppListSyncableService is the owner of |model|
void InitializeWithProfile(Profile* profile, app_list::AppListModel* model);
protected:
// Builds the model with the current profile.
virtual void BuildModel() = 0;
app_list::AppListSyncableService* service() { return service_; }
Profile* profile() { return profile_; }
AppListControllerDelegate* controller() { return controller_; }
app_list::AppListModel* model() { return model_; }
// Inserts an app based on app ordinal prefs.
void InsertApp(std::unique_ptr<app_list::AppListItem> app);
// Removes an app based on app id. If |unsynced_change| is set to true then
// app is removed only from model and sync service is not used.
void RemoveApp(const std::string& id, bool unsynced_change);
const app_list::AppListSyncableService::SyncItem* GetSyncItem(
const std::string& id);
// Returns app instance matching |id| or nullptr.
app_list::AppListItem* GetAppItem(const std::string& id);
private:
// Unowned pointers to the service that owns this and associated profile.
app_list::AppListSyncableService* service_ = nullptr;
Profile* profile_ = nullptr;
// Unowned pointer to the app list model.
app_list::AppListModel* model_ = nullptr;
// Unowned pointer to the app list controller.
AppListControllerDelegate* controller_;
// Global constant defined for each item type.
const char* item_type_;
DISALLOW_COPY_AND_ASSIGN(AppListModelBuilder);
};
#endif // CHROME_BROWSER_UI_APP_LIST_APP_LIST_MODEL_BUILDER_H_
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