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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.
#include "chrome/browser/extensions/default_apps.h"
#include "base/command_line.h"
#include "base/metrics/histogram.h"
#include "chrome/browser/prefs/pref_service.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/pref_names.h"
const int DefaultApps::kAppsPromoCounterMax = 10;
// static
void DefaultApps::RegisterUserPrefs(PrefService* prefs) {
prefs->RegisterBooleanPref(prefs::kDefaultAppsInstalled, false);
prefs->RegisterIntegerPref(prefs::kAppsPromoCounter, 0);
}
DefaultApps::DefaultApps(PrefService* prefs,
const std::string& application_locale)
: prefs_(prefs), application_locale_(application_locale) {
// Poppit, Entanglement
ids_.insert("mcbkbpnkkkipelfledbfocopglifcfmi");
ids_.insert("aciahcmjmecflokailenpkdchphgkefd");
}
DefaultApps::~DefaultApps() {}
const ExtensionIdSet& DefaultApps::default_apps() const {
return ids_;
}
bool DefaultApps::DefaultAppSupported() {
// On Chrome OS the default apps are installed via a different mechanism.
#if defined(OS_CHROMEOS)
return false;
#else
return DefaultAppsSupportedForLanguage();
#endif
}
bool DefaultApps::DefaultAppsSupportedForLanguage() {
return application_locale_ == "en-US";
}
bool DefaultApps::ShouldInstallDefaultApps(
const ExtensionIdSet& installed_ids) {
if (!DefaultAppSupported())
return false;
if (GetDefaultAppsInstalled())
return false;
// If there are any non-default apps installed, we should never try to install
// the default apps again, even if the non-default apps are later removed.
if (NonDefaultAppIsInstalled(installed_ids)) {
SetDefaultAppsInstalled(true);
return false;
}
return true;
}
bool DefaultApps::ShouldShowAppLauncher(const ExtensionIdSet& installed_ids) {
// On Chrome OS the default apps are installed via a separate mechanism that
// is always enabled. Therefore we always show the launcher.
#if defined(OS_CHROME)
return true;
#else
// The app store only supports en-us at the moment, so we don't show the apps
// section by default for users in other locales. But we do show it if a user
// from a non-supported locale somehow installs an app (eg by navigating
// directly to the store).
if (!DefaultAppsSupportedForLanguage())
return !installed_ids.empty();
// For supported locales, we need to wait for all the default apps to be
// installed before showing the apps section. We also show it if any
// non-default app is installed (eg because the user installed the app in a
// previous version of Chrome).
if (GetDefaultAppsInstalled() || NonDefaultAppIsInstalled(installed_ids))
return true;
else
return false;
#endif
}
bool DefaultApps::ShouldShowPromo(const ExtensionIdSet& installed_ids,
bool* just_expired) {
*just_expired = false;
if (CommandLine::ForCurrentProcess()->HasSwitch(
switches::kForceAppsPromoVisible)) {
return true;
}
if (!DefaultAppSupported())
return false;
if (!GetDefaultAppsInstalled())
return false;
int promo_counter = GetPromoCounter();
if (promo_counter <= kAppsPromoCounterMax) {
// If we have the exact set of default apps, show the promo. If we don't
// have the exact set of default apps, this means that the user manually
// installed or uninstalled one. The promo doesn't make sense if it shows
// apps the user manually installed, so expire it immediately in that
// situation.
if (ids_ != installed_ids) {
SetPromoHidden();
return false;
}
if (promo_counter == kAppsPromoCounterMax) {
*just_expired = true;
UMA_HISTOGRAM_ENUMERATION(extension_misc::kAppsPromoHistogram,
extension_misc::PROMO_EXPIRE,
extension_misc::PROMO_BUCKET_BOUNDARY);
SetPromoCounter(++promo_counter);
return false;
} else {
UMA_HISTOGRAM_ENUMERATION(extension_misc::kAppsPromoHistogram,
extension_misc::PROMO_SEEN,
extension_misc::PROMO_BUCKET_BOUNDARY);
SetPromoCounter(++promo_counter);
return true;
}
}
return false;
}
void DefaultApps::DidInstallApp(const ExtensionIdSet& installed_ids) {
// If all the default apps have been installed, stop trying to install them.
// Note that we use std::includes here instead of == because apps might have
// been manually installed while the the default apps were installing and we
// wouldn't want to keep trying to install them in that case.
if (!GetDefaultAppsInstalled() &&
std::includes(installed_ids.begin(), installed_ids.end(),
ids_.begin(), ids_.end())) {
SetDefaultAppsInstalled(true);
}
}
bool DefaultApps::NonDefaultAppIsInstalled(
const ExtensionIdSet& installed_ids) const {
for (ExtensionIdSet::const_iterator iter = installed_ids.begin();
iter != installed_ids.end(); ++iter) {
if (ids_.find(*iter) == ids_.end())
return true;
}
return false;
}
void DefaultApps::SetPromoHidden() {
SetPromoCounter(kAppsPromoCounterMax + 1);
}
int DefaultApps::GetPromoCounter() const {
return prefs_->GetInteger(prefs::kAppsPromoCounter);
}
void DefaultApps::SetPromoCounter(int val) {
prefs_->SetInteger(prefs::kAppsPromoCounter, val);
prefs_->ScheduleSavePersistentPrefs();
}
bool DefaultApps::GetDefaultAppsInstalled() const {
return prefs_->GetBoolean(prefs::kDefaultAppsInstalled);
}
void DefaultApps::SetDefaultAppsInstalled(bool val) {
prefs_->SetBoolean(prefs::kDefaultAppsInstalled, val);
prefs_->ScheduleSavePersistentPrefs();
}
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