// Copyright (c) 2012 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/chromeos/login/helper.h"

#include "ash/shell.h"
#include "base/strings/utf_string_conversions.h"
#include "chromeos/network/network_handler.h"
#include "chromeos/network/network_state.h"
#include "chromeos/network/network_state_handler.h"
#include "chromeos/network/shill_property_util.h"
#include "grit/generated_resources.h"
#include "grit/theme_resources.h"
#include "third_party/cros_system_api/dbus/service_constants.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/gfx/image/image_skia.h"
#include "ui/gfx/screen.h"

namespace chromeos {

gfx::Rect CalculateScreenBounds(const gfx::Size& size) {
  gfx::Rect bounds(ash::Shell::GetScreen()->GetPrimaryDisplay().bounds());
  if (!size.IsEmpty()) {
    int horizontal_diff = bounds.width() - size.width();
    int vertical_diff = bounds.height() - size.height();
    bounds.Inset(horizontal_diff / 2, vertical_diff / 2);
  }
  return bounds;
}

int GetCurrentUserImageSize() {
  // The biggest size that the profile picture is displayed at is currently
  // 220px, used for the big preview on OOBE and Change Picture options page.
  static const int kBaseUserImageSize = 220;
  float scale_factor = gfx::Display::GetForcedDeviceScaleFactor();
  if (scale_factor > 1.0f)
    return static_cast<int>(scale_factor * kBaseUserImageSize);
  return kBaseUserImageSize * gfx::ImageSkia::GetMaxSupportedScale();
}

namespace login {

NetworkStateHelper::NetworkStateHelper() {}
NetworkStateHelper::~NetworkStateHelper() {}

base::string16 NetworkStateHelper::GetCurrentNetworkName() const {
  NetworkStateHandler* nsh = NetworkHandler::Get()->network_state_handler();
  const NetworkState* network =
      nsh->ConnectedNetworkByType(NetworkTypePattern::NonVirtual());
  if (network) {
    if (network->Matches(NetworkTypePattern::Ethernet()))
      return l10n_util::GetStringUTF16(IDS_STATUSBAR_NETWORK_DEVICE_ETHERNET);
    return UTF8ToUTF16(network->name());
  }

  network = nsh->ConnectingNetworkByType(NetworkTypePattern::NonVirtual());
  if (network) {
    if (network->Matches(NetworkTypePattern::Ethernet()))
      return l10n_util::GetStringUTF16(IDS_STATUSBAR_NETWORK_DEVICE_ETHERNET);
    return UTF8ToUTF16(network->name());
  }
  return base::string16();
}

bool NetworkStateHelper::IsConnected() const {
  chromeos::NetworkStateHandler* nsh =
      chromeos::NetworkHandler::Get()->network_state_handler();
  return nsh->ConnectedNetworkByType(chromeos::NetworkTypePattern::Default()) !=
         NULL;
}

bool NetworkStateHelper::IsConnecting() const {
  chromeos::NetworkStateHandler* nsh =
      chromeos::NetworkHandler::Get()->network_state_handler();
  return nsh->ConnectingNetworkByType(
      chromeos::NetworkTypePattern::Default()) != NULL;
}

}  // namespace login

}  // namespace chromeos