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// Copyright (c) 2012 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_APPS_MODEL_BUILDER_H_
#define CHROME_BROWSER_UI_APP_LIST_APPS_MODEL_BUILDER_H_
#include <string>
#include "base/gtest_prod_util.h"
#include "base/prefs/public/pref_change_registrar.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
#include "ui/app_list/app_list_model.h"
#include "ui/base/models/list_model_observer.h"
class AppListControllerDelegate;
class ExtensionAppItem;
class Profile;
class AppsModelBuilder : public content::NotificationObserver,
public ui::ListModelObserver {
public:
AppsModelBuilder(Profile* profile,
app_list::AppListModel::Apps* model,
AppListControllerDelegate* controller);
virtual ~AppsModelBuilder();
// Populates the model.
void Build();
private:
// Populates the model with apps.
void PopulateApps();
// Re-sort apps in case app ordinal prefs are changed.
void ResortApps();
// Inserts an app based on app ordinal prefs.
void InsertApp(ExtensionAppItem* app);
// Returns the index of the application app with |app_id| in |model_|. If
// no match is found, returns -1.
int FindApp(const std::string& app_id);
// Sets the application app with |highlight_app_id_| in |model_| as
// highlighted. If such an app is found, reset |highlight_app_id_| so that it
// is highlighted once per install notification.
void HighlightApp();
// Returns app instance at given |index|.
ExtensionAppItem* GetAppAt(size_t index);
// content::NotificationObserver
virtual void Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) OVERRIDE;
// ui::ListModelObserver overrides:
virtual void ListItemsAdded(size_t start, size_t count) OVERRIDE;
virtual void ListItemsRemoved(size_t start, size_t count) OVERRIDE;
virtual void ListItemMoved(size_t index, size_t target_index) OVERRIDE;
virtual void ListItemsChanged(size_t start, size_t count) OVERRIDE;
Profile* profile_;
AppListControllerDelegate* controller_;
// Sub apps model of AppListModel that represents apps grid view.
app_list::AppListModel::Apps* model_;
std::string highlight_app_id_;
// True to ignore |model_| changes.
bool ignore_changes_;
content::NotificationRegistrar registrar_;
PrefChangeRegistrar pref_change_registrar_;
DISALLOW_COPY_AND_ASSIGN(AppsModelBuilder);
};
#endif // CHROME_BROWSER_UI_APP_LIST_APPS_MODEL_BUILDER_H_
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