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// Copyright (c) 2011 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_APPS_PROMO_H_
#define CHROME_BROWSER_EXTENSIONS_APPS_PROMO_H_
#pragma once
#include <set>
#include <string>
#include "base/gtest_prod_util.h"
#include "chrome/common/extensions/extension.h"
class PrefService;
// This encapsulates business logic for:
// - Whether to show the apps promo in the launcher
// - Whether to expire existing default apps
class AppsPromo {
public:
// Register our preferences. Parts of the promo content are stored in Local
// State since they're independent of the user profile.
static void RegisterPrefs(PrefService* local_state);
static void RegisterUserPrefs(PrefService* prefs);
// Removes the current promo data.
static void ClearPromo();
// Gets the ID of the current promo.
static std::string GetPromoId();
// Gets the text for the promo button.
static std::string GetPromoButtonText();
// Gets the text for the promo header.
static std::string GetPromoHeaderText();
// Gets the promo link.
static GURL GetPromoLink();
// Gets the text for the promo "hide this" link.
static std::string GetPromoExpireText();
// Called to set the current promo data.
static void SetPromo(const std::string& id,
const std::string& header_text,
const std::string& button_text,
const GURL& link,
const std::string& expire_text);
explicit AppsPromo(PrefService* prefs);
~AppsPromo();
// Gets the set of old default apps that may have been installed by previous
// versions of Chrome.
const ExtensionIdSet& old_default_apps() const {
return old_default_app_ids_;
}
// Halts the special treatment of the default apps. The default apps may be
// removed by the caller after calling this method. If the apps remain
// installed, AppsPromo will no longer consider the apps "default".
void ExpireDefaultApps();
// Called to hide the promo from the apps section.
void HidePromo();
// Maximizes the apps section the first time this is called for a given promo.
void MaximizeAppsIfFirstView();
// Returns true if the app launcher should be displayed on the NTP.
bool ShouldShowAppLauncher(const ExtensionIdSet& installed_ids);
// Returns true if the apps promo should be displayed in the launcher.
bool ShouldShowPromo(const ExtensionIdSet& installed_ids,
bool* just_expired);
private:
FRIEND_TEST_ALL_PREFIXES(ExtensionAppsPromo, HappyPath);
FRIEND_TEST_ALL_PREFIXES(ExtensionAppsPromo, PromoPrefs);
FRIEND_TEST_ALL_PREFIXES(ExtensionAppsPromo, UpdatePromoFocus);
// The maximum number of times to show the apps promo. The promo counter
// actually goes up to this number + 1 because we need to differentiate
// between the first time we overflow and subsequent times.
static const int kDefaultAppsCounterMax;
// Returns true if a promo is available for the current locale.
static bool IsPromoSupportedForLocale();
bool GetDefaultAppsInstalled() const;
// Gets/sets the ID of the last promo shown.
std::string GetLastPromoId();
void SetLastPromoId(const std::string& id);
// Gets/sets the number of times the promo has been viewed. Promo views are
// only counted when the default apps are installed.
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 old_default_app_ids_;
DISALLOW_COPY_AND_ASSIGN(AppsPromo);
};
#endif // CHROME_BROWSER_EXTENSIONS_APPS_PROMO_H_
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