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// Copyright (c) 2010 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_EXTENSIONS_DEFAULT_APPS_H_
#define CHROME_BROWSER_EXTENSIONS_DEFAULT_APPS_H_
#pragma once
#include <set>
#include <string>
#include "chrome/common/extensions/extension.h"
#include "base/gtest_prod_util.h"
class PrefService;
// Manages the installation of the set of default apps into Chrome, and the
// promotion of those apps in the launcher.
//
// It implements the following rules:
//
// - Only install default apps once per-profile.
// - Don't install default apps if any apps are already installed.
// - Do not start showing the promo until all default apps have been installed.
// - Do not show the promo if it has been hidden by the user.
// - Do not show promo after one app has been manually installed or uninstalled.
// - Do not show promo if the set of installed apps is different than the set of
// default apps.
// - Only show promo a certain amount of times.
//
// The promo can also be forced on with --force-apps-promo-visible.
class DefaultApps {
public:
// The maximum number of times to show the apps promo.
static const int kAppsPromoCounterMax;
// Register our preferences.
static void RegisterUserPrefs(PrefService* prefs);
explicit DefaultApps(PrefService* prefs);
~DefaultApps();
// Gets the list of default apps that should be installed. Can return NULL if
// no apps need to be installed.
const ExtensionIdSet* GetAppsToInstall() const;
// Gets the list of default apps.
const ExtensionIdSet* GetDefaultApps() const;
// Should be called after each app is installed. Once installed_ids contains
// all the default apps, GetAppsToInstall() will start returning NULL.
void DidInstallApp(const ExtensionIdSet& installed_ids);
// Returns true if the apps promo should be displayed in the launcher. This
// starts returning true once the default apps have all been installed and
// stops after the promo expires.
bool ShouldShowPromo(const ExtensionIdSet& installed_ids);
// Should be called after each time the promo is installed.
void DidShowPromo();
// Force the promo to be hidden.
void SetPromoHidden();
private:
FRIEND_TEST_ALL_PREFIXES(DefaultApps, Basics);
FRIEND_TEST_ALL_PREFIXES(DefaultApps, HidePromo);
FRIEND_TEST_ALL_PREFIXES(DefaultApps, InstallingAnAppHidesPromo);
FRIEND_TEST_ALL_PREFIXES(DefaultApps,
ManualAppInstalledWhileInstallingDefaultApps);
bool GetDefaultAppsInstalled() const;
void SetDefaultAppsInstalled(bool val);
int GetPromoCounter() const;
void SetPromoCounter(int val);
// Our permanent state is stored in this PrefService instance.
PrefService* prefs_;
// The set of default extensions. Initialized to a static list in the
// constructor.
ExtensionIdSet ids_;
DISALLOW_COPY_AND_ASSIGN(DefaultApps);
};
#endif // CHROME_BROWSER_EXTENSIONS_DEFAULT_APPS_H_
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