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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_EXTENSION_APP_MODEL_BUILDER_H_
#define CHROME_BROWSER_UI_APP_LIST_EXTENSION_APP_MODEL_BUILDER_H_
#include <string>
#include <vector>
#include "base/gtest_prod_util.h"
#include "base/prefs/pref_change_registrar.h"
#include "base/scoped_observer.h"
#include "chrome/browser/extensions/install_observer.h"
#include "extensions/browser/extension_registry_observer.h"
#include "ui/app_list/app_list_model.h"
#include "ui/base/models/list_model_observer.h"
class AppListControllerDelegate;
class ExtensionAppItem;
class Profile;
namespace app_list {
class AppListSyncableService;
}
namespace extensions {
class Extension;
class ExtensionRegistry;
class ExtensionSet;
class InstallTracker;
}
namespace gfx {
class ImageSkia;
}
// This class populates and maintains the given |model| with information from
// |profile|.
class ExtensionAppModelBuilder : public extensions::InstallObserver,
public extensions::ExtensionRegistryObserver,
public app_list::AppListItemListObserver {
public:
explicit ExtensionAppModelBuilder(AppListControllerDelegate* controller);
~ExtensionAppModelBuilder() override;
// Initialize to use app-list sync and sets |service_| to |service|.
void InitializeWithService(app_list::AppListSyncableService* service);
// Initialize to use extension sync and sets |service_| to NULL. Used in
// tests and when AppList sync is not enabled.
void InitializeWithProfile(Profile* profile, app_list::AppListModel* model);
private:
typedef std::vector<ExtensionAppItem*> ExtensionAppList;
// Builds the model with the current profile.
void BuildModel();
// extensions::InstallObserver.
void OnBeginExtensionInstall(const ExtensionInstallParams& params) override;
void OnDownloadProgress(const std::string& extension_id,
int percent_downloaded) override;
void OnInstallFailure(const std::string& extension_id) override;
void OnDisabledExtensionUpdated(
const extensions::Extension* extension) override;
void OnShutdown() override;
// extensions::ExtensionRegistryObserver.
void OnExtensionLoaded(content::BrowserContext* browser_context,
const extensions::Extension* extension) override;
void OnExtensionUnloaded(
content::BrowserContext* browser_context,
const extensions::Extension* extension,
extensions::UnloadedExtensionInfo::Reason reason) override;
void OnExtensionUninstalled(content::BrowserContext* browser_context,
const extensions::Extension* extension,
extensions::UninstallReason reason) override;
void OnShutdown(extensions::ExtensionRegistry* registry) override;
// AppListItemListObserver.
void OnListItemMoved(size_t from_index,
size_t to_index,
app_list::AppListItem* item) override;
scoped_ptr<ExtensionAppItem> CreateAppItem(
const std::string& extension_id,
const std::string& extension_name,
const gfx::ImageSkia& installing_icon,
bool is_platform_app);
// Populates the model with apps.
void PopulateApps();
// Inserts an app based on app ordinal prefs.
void InsertApp(scoped_ptr<ExtensionAppItem> app);
// Returns app instance matching |extension_id| or NULL.
ExtensionAppItem* GetExtensionAppItem(const std::string& extension_id);
// Initializes the |profile_pref_change_registrar_| and the
// |extension_pref_change_registrar_| to listen for changes to profile and
// extension prefs, and call OnProfilePreferenceChanged() or
// OnExtensionPreferenceChanged().
void InitializePrefChangeRegistrars();
// Handles profile prefs changes.
void OnProfilePreferenceChanged();
// Handles extension prefs changes.
void OnExtensionPreferenceChanged();
// Unowned pointers to the service that owns this and associated profile.
app_list::AppListSyncableService* service_;
Profile* profile_;
// Registrar used to monitor the profile prefs.
PrefChangeRegistrar profile_pref_change_registrar_;
// Registrar used to monitor the extension prefs.
PrefChangeRegistrar extension_pref_change_registrar_;
// Unowned pointer to the app list controller.
AppListControllerDelegate* controller_;
// Unowned pointer to the app list model.
app_list::AppListModel* model_;
// We listen to this to show app installing progress.
extensions::InstallTracker* tracker_;
// Listen extension's load, unload, uninstalled.
extensions::ExtensionRegistry* extension_registry_;
DISALLOW_COPY_AND_ASSIGN(ExtensionAppModelBuilder);
};
#endif // CHROME_BROWSER_UI_APP_LIST_EXTENSION_APP_MODEL_BUILDER_H_
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