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// Copyright 2013 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/ui/app_list/app_list_util.h"
#include "base/metrics/field_trial.h"
#include "base/prefs/pref_registry_simple.h"
#include "base/prefs/pref_service.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/ui/host_desktop.h"
#include "chrome/common/pref_names.h"
namespace {
#if defined(ENABLE_APP_LIST)
// The field trial group name that enables showing the promo.
const char kShowLauncherPromoOnceGroupName[] = "ShowPromoUntilDismissed";
// The field trial group name that resets the pref to show the app launcher
// promo on every session startup.
const char kResetShowLauncherPromoPrefGroupName[] = "ResetShowPromoPref";
// The name of the field trial that controls showing the app launcher promo.
const char kLauncherPromoTrialName[] = "ShowAppLauncherPromo";
#endif // defined(ENABLE_APP_LIST)
} // namespace
void SetupShowAppLauncherPromoFieldTrial(PrefService* local_state) {
#if defined(ENABLE_APP_LIST)
if (base::FieldTrialList::FindFullName(kLauncherPromoTrialName) ==
kResetShowLauncherPromoPrefGroupName) {
local_state->SetBoolean(prefs::kShowAppLauncherPromo, true);
}
#endif
}
bool IsAppLauncherEnabled() {
#if !defined(ENABLE_APP_LIST)
return false;
#elif defined(OS_CHROMEOS)
return true;
#else // defined(ENABLE_APP_LIST) && !defined(OS_CHROMEOS)
if (chrome::GetActiveDesktop() == chrome::HOST_DESKTOP_TYPE_ASH)
return true;
PrefService* prefs = g_browser_process->local_state();
// In some tests, the prefs aren't initialised.
return prefs && prefs->GetBoolean(prefs::kAppLauncherHasBeenEnabled);
#endif
}
bool ShouldShowAppLauncherPromo() {
#if !defined(ENABLE_APP_LIST)
return false;
#else
PrefService* local_state = g_browser_process->local_state();
// In some tests, the prefs aren't initialised.
if (!local_state)
return false;
std::string app_launcher_promo_group_name =
base::FieldTrialList::FindFullName(kLauncherPromoTrialName);
return !IsAppLauncherEnabled() &&
local_state->GetBoolean(prefs::kShowAppLauncherPromo) &&
(app_launcher_promo_group_name == kShowLauncherPromoOnceGroupName ||
app_launcher_promo_group_name == kResetShowLauncherPromoPrefGroupName);
#endif
} // namespace apps
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