// Copyright 2014 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 "components/invalidation/impl/ticl_profile_settings_provider.h"

#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/command_line.h"
#include "components/gcm_driver/gcm_channel_status_syncer.h"
#include "components/invalidation/impl/invalidation_prefs.h"
#include "components/invalidation/impl/invalidation_switches.h"
#include "components/pref_registry/pref_registry_syncable.h"
#include "components/prefs/pref_service.h"

namespace invalidation {

TiclProfileSettingsProvider::TiclProfileSettingsProvider(PrefService* prefs)
    : prefs_(prefs) {
  registrar_.Init(prefs_);
  registrar_.Add(
      prefs::kInvalidationServiceUseGCMChannel,
      base::Bind(&TiclProfileSettingsProvider::FireOnUseGCMChannelChanged,
                 base::Unretained(this)));
  registrar_.Add(
      gcm::prefs::kGCMChannelStatus,
      base::Bind(&TiclProfileSettingsProvider::FireOnUseGCMChannelChanged,
                 base::Unretained(this)));
}

TiclProfileSettingsProvider::~TiclProfileSettingsProvider() {}

bool TiclProfileSettingsProvider::UseGCMChannel() const {
  if (prefs_->GetBoolean(prefs::kInvalidationServiceUseGCMChannel)) {
    // Use GCM channel if it was enabled via prefs.
    return true;
  }

  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
          switches::kInvalidationUseGCMChannel)) {
    // Use GCM channel if it was enabled via a command-line switch.
    return true;
  }

  // By default, do not use GCM channel.
  return false;
}

}  // namespace invalidation